CN113019528B - Broken mixing arrangement of raw materials is used in processing of prestressed concrete tubular pile - Google Patents

Abstract

The invention discloses a crushing device, which supports a blanking piece to rotate to a horizontal state and causes a material pushing plate of a material pushing mechanism to move to the initial end of a blanking mesh screen in a one-way pressing movement stage; in the reciprocating downward pressing movement stage, raw materials on the horizontal supporting blanking piece are extruded and crushed, and the movement of the one-way rotating mechanism causes the movement of a lower supporting plate in the linkage supporting blanking piece; in the stage of the unidirectional ascending reset movement, the supporting blanking part rotates to an inclined state, and the pushing plate of the pushing mechanism is caused to move to the tail end of the blanking mesh screen and drives the mesh screen in the blanking mesh screen to shake. The invention also discloses a raw material crushing and mixing device for processing the prestressed concrete pipe pile. The invention has the advantages of improving the crushing efficiency and the crushing quality of the crushing device, ensuring timely and accurate blanking of the crushed raw materials and convenient and fast control.

Description

Broken mixing arrangement of raw materials is used in processing of prestressed concrete tubular pile

Technical Field

The invention relates to the technical field of pipe pile concrete processing, in particular to a raw material crushing and mixing device for processing a prestressed concrete pipe pile.

Background

The pipe piles are classified into prestressed concrete pipe piles and prestressed high-strength concrete pipe piles according to the concrete strength grade or effective pre-stress. The code of the prestressed concrete pipe pile is PC, the code of the prestressed high-strength concrete pipe pile is PHC, and the code of the thin-wall pipe pile is PTC. The concrete strength of the PC pile is not lower than C60, the strength grade of the thin-wall pipe pile is not lower than C60, and the concrete strength grade of the PHC pile is not lower than C80.

The concrete needs to be mixed before being poured into a mold, and the concrete in the prior art is generally prepared by two steps of crushing, mixing and the like according to the types of raw materials. In the production method of the non-residual-slurry non-autoclaved prestressed concrete pipe pile disclosed in patent application 201510317683.8, the hard aggregate such as the gravel is crushed and then mixed with other raw materials.

In order to improve the flowing water property of crushing and mixing, the prior art mostly adopts a crushing and mixing all-in-one machine to realize the online crushing and mixing of raw materials. As the crushing and mixing in the prior art mostly adopt the sequence of crushing and mixing from top to bottom in order to ensure the continuity of the process, the crushed raw materials can freely fall into the mixing bin, and the next stirring operation is carried out in the mixing bin.

The crushing means commonly used are generally jaw crushers or crushing rolls for crushing the material. The raw materials flow downwards while being extruded by a jaw crusher or crushing pair rollers and enter a mixing bin. From the crushing principle, in order to realize the continuity of the process, the raw materials are crushed in the crushing device into single crushing, that is, the raw materials are crushed by the jaw plate or the crushing pair roller only once for a unit number of raw materials, and the raw materials fall downwards, so that the crushing of partial raw materials is insufficient, the slurry uniformity of the subsequent concrete preparation is poor, and the technical defects of large secondary rework amount are caused.

The crushing and mixing device in the prior art, such as the oscillating type concrete block crushing and mixing device disclosed in patent application 201710681190.1, enables concrete blocks to be crushed firstly and then mixed and stirred with water through the arrangement of a crushing chamber and a mixing and stirring chamber, the crushing and mixing are carried out continuously, and the crushing and mixing are carried out sequentially. Although this technical scheme is provided with the screen cloth between crushing and mixing, utilizes the effect of screen cloth to sieve, improves the abundant degree of crushing in breaker.

However, the technical scheme also has the following technical problems: firstly, in the crushing stage, the crushing blade on the crushing rod is impacted with the raw material in a crushing rod rotating mode to crush the raw material, and the crushing mode cannot produce an extrusion effect on stones with high hardness, so that the crushing efficiency is low; secondly, because the raw materials are stacked on the screen, on one hand, a height difference needs to exist between the screen and the crushing rod, the height difference causes the uneven crushing degree of the raw materials at the bottom to be high, the raw materials exist together with the raw materials clamped in meshes of the screen, the screen is easy to block, the hole clamping phenomenon is caused, the normal sieving of the raw materials is influenced, the raw materials are excessively stacked for a long time, the screen is easy to excessively extrude and deform, and on the other hand, the screen is of a hollow structure, the self bearing load of the screen is insufficient, and the single crushing amount is limited; thirdly, as the raw materials of the concrete are more, in order to improve the mixing uniformity of the concrete, a mixing mode of adding a plurality of raw materials in batches and adding a small amount of raw materials in each batch is adopted. The combination of breaker and breaker among this technical scheme only passes through the screen cloth as middle transition layer, and the raw materials after the breakage can fall into to mixing arrangement at any time, and the scope of the various raw materials volume that fall into mixing arrangement in the unit interval is difficult for control, influences the mixing homogeneity of raw materials.

Disclosure of Invention

The invention aims to solve the technical problems of how to improve the crushing efficiency and the crushing quality of a crushing device, ensure that the crushed raw materials are accurately fed in time and are convenient to operate and control.

The invention solves the technical problems through the following technical means: a crushing device comprises an upper crushing piece, a lower pressing mechanism, a supporting blanking piece, a blanking mesh screen, a material pushing mechanism and a one-way rotating mechanism; the upper crushing member is positioned above the supporting blanking member, and the downward pressing mechanism can drive the upper crushing member to move downward by downward pressing movement;

the movement of the pressing mechanism comprises a unidirectional pressing movement stage, a reciprocating pressing movement stage and a unidirectional ascending reset movement stage; in the unidirectional downward pressing motion stage, the downward pressing mechanism drives the supporting blanking part to rotate to a horizontal state and causes a material pushing plate of the material pushing mechanism to move to the starting end of the blanking mesh screen; in the reciprocating downward pressing movement stage, when the downward pressing mechanism drives the upper crushing member to perform downward pressing movement, the downward pressing mechanism can extrude and crush raw materials on a horizontal supporting blanking member, and when the downward pressing mechanism drives the upper crushing member to perform upward resetting movement, the downward pressing mechanism can drive the one-way rotating mechanism to move so as to link a lower supporting plate in the supporting blanking member to move; in the stage of the unidirectional ascending reset motion, the pressing mechanism drives the supporting blanking piece to rotate to an inclined state, so that a material pushing plate of the material pushing mechanism moves to the tail end of the blanking mesh screen and drives a mesh screen in the blanking mesh screen to shake; the crushed raw materials fall downwards to the screen mesh in a shaking state along the inclined surface supporting the blanking part, part of the raw materials fall from the meshes of the screen mesh, and the other part of the raw materials pushed by the material pushing plate are blanked from the tail end of the blanking screen mesh.

Preferably: the pressing mechanism comprises a first pressing element and a second pressing element, and the second pressing element is arranged on the first pressing element; the first pressing element pressing motion occurs in the unidirectional pressing motion phase; the first pressing element ascending reset motion occurs in the unidirectional ascending reset motion phase; the second pressing element reciprocating pressing motion occurs in the reciprocating pressing motion phase;

or the pressing mechanism comprises a first pressing element and a second pressing element, and the first pressing element and the second pressing element respectively comprise a pressing rack and a pressing rod; the driving element comprises a first motor, a first driving gear, an incomplete gear, a second driving gear and a driving rod; the fixed end of the first motor is fixed in the crushing bin, the output shaft end of the first motor is connected with an incomplete gear, the incomplete gear can be alternately meshed with a first driving gear and a second driving gear, and the first driving gear is meshed with a pressing rack; the upper end of the driving rod is eccentrically hinged with the rotating wheel, the rotating wheel is coaxial with the second driving gear, the lower end of the driving rod is hinged with the upper end of the lower pressing rod, and the lower end of the lower pressing rod extends out of the guide plate in a sliding fit manner and is fixed on the upper crushing piece; and the incomplete gear is meshed with the second driving gear once, and the second driving gear rotates for a plurality of circles.

Preferably: the blanking swing rod is characterized in that a transmission block is arranged at the pressing end of the first pressing element, the transmission block is hinged to the upper end of the blanking connecting rod, the lower end of the blanking connecting rod is hinged to the upper end of the blanking swing rod, and the lower end of the blanking swing rod is linked with the supporting blanking piece.

Preferably: the unidirectional rotating mechanism comprises a unidirectional rotating rod, a first elastic body, a movable rod, a second elastic body and a connecting arm; the rotating end of the unidirectional rotating rod is in rotating fit with one end of the connecting arm, and the other end of the connecting arm is linked with the supporting blanking part; the first elastic body is assembled to suspend the free end of the unidirectional rotating rod; a sliding groove is formed in the free end of the unidirectional rotating rod, the movable rod is in sliding fit with the sliding groove in the horizontal direction, the second elastic body is arranged between the movable rod and the free end of the unidirectional rotating rod, and the top surface of the contact end of the movable rod is an inclined surface; the second pressing element can drive the upper crushing member to contact with the inclined surface of the movable rod by pressing movement, and the movable rod slides along the sliding groove; the second pressing element moves upwards and returns to the original position until the upper crushing member is contacted with the bottom surface of the contact end of the movable rod, and the free end of the one-way rotating rod can be driven to rotate upwards to enable the lower supporting plate to move.

Preferably: the bottom of bottom suspension fagging is provided with first cam, first cam setting is in first cam pivot be provided with in the first cam pivot first drive pulley the rotation end of one-way dwang is provided with second drive pulley, the cover is equipped with driving belt between first drive pulley, the second drive pulley.

Preferably: the material pushing mechanism further comprises a screw rod, and the material pushing plate is in threaded fit with the screw rod; a first linkage belt pulley is arranged on the screw rod, a first gear is arranged at the rotating end for supporting the blanking part, the first gear is meshed with a second gear, the second gear is coaxial with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is coaxial with a second linkage belt pulley, and a linkage belt is sleeved between the first linkage belt pulley and the second linkage belt pulley; the blanking mesh screen also comprises a frame, the screen is suspended in the hollow area of the frame, and the top surface of the tail end of the frame is inclined downwards; the side part of the screen is connected with a fixed rod, the frame is provided with a through hole, and the fixed rod extends out of the through hole in a clearance fit manner to be connected with the frame; the side of frame is provided with the second cam, the second cam is coaxial with first connection belt pulley be provided with the second on the lead screw and connect the belt pulley, first connection belt pulley the cover is equipped with the connection belt between the second connection belt pulley.

Preferably: the supporting blanking part also comprises a mounting frame, the middle of the mounting frame is hollowed, guide holes are formed in the side surface of the mounting frame, the main body part of the lower supporting plate is internally hollowed in the middle of the mounting frame, and the corresponding guide holes are partially extended out of the side edge of the lower supporting plate; when the lower support plate is horizontal, the bottom surface of the part of the side edge of the lower support plate is contacted with the inner bottom surface of the guide hole. The first rotating shaft is fixed with the mounting frame;

the part of the side edge of the lower supporting plate can move up and down along the guide hole, a third cam rotating shaft is further arranged on the mounting frame in a rotating fit mode, a third cam and a first transmission bevel gear are fixed on the third cam rotating shaft, the transition rotating shaft is in a rotating fit with the mounting frame, a second transmission bevel gear and a first transition belt pulley are fixed on the transition rotating shaft, a second transition belt pulley is fixed on the first cam rotating shaft, and the first transmission bevel gear and the second transmission bevel gear are meshed with each other; the third cam is contacted with a connecting frame connected to one side of the lower supporting plate; a transition belt is sleeved between the first transition belt pulley and the second transition belt pulley.

The invention also discloses a raw material crushing and mixing device for processing the prestressed concrete pipe pile based on the crushing device, which comprises the crushing device and the mixing device in sequence from first to last according to the process: the crushing device also comprises a transfer bin, and a blanking plate is rotationally matched at the lower end of the transfer bin; the mixing device comprises a stirring device and a raw material feeding device; the raw material feeding device comprises a raw material feeding bin, and a bin gate is rotationally matched with a discharge hole of the raw material feeding bin; when the blanking plate rotates to incline, the bin door can be opened, and the raw materials in the blanking plate and the raw materials in the raw material feeding bin simultaneously fall into the stirring device; when the blanking plate rotates to be horizontal to stack the raw materials falling from the meshes of the screen, the bin door can be closed.

Preferably: the rotating end of the bin gate is provided with a swing rod, a wire groove is formed in the swing rod, a roller is inserted into the wire groove and connected to one end of the swing rod, a first rotating belt pulley is arranged at the other end of the swing rod, a second rotating belt pulley is arranged at the rotating end of the blanking plate, and a rotating belt is sleeved between the first rotating belt pulley and the second rotating belt pulley.

Preferably: the top of the stirring device is provided with a first feeding hole and a second feeding hole; the discharge port of the transfer bin is communicated with the first feed port through a first pipeline, and a cover body is arranged between the discharge port of the raw material feeding bin and the second feed port

The invention has the advantages that: on one hand, the continuous feeding, crushing and discharging of the same batch of raw materials to be crushed are realized through the one-time complete reciprocating motion of the pressing mechanism, and the treatment of multiple batches of raw materials to be crushed is realized through the circulating motion of the pressing mechanism, so that the industrial water flowing property is ensured; on the other hand, the reciprocating downward-pressing movement stage of the upper crushing piece, namely the crushing stage, can crush the same batch of raw materials needing to be crushed for multiple times in a downward-pressing and extruding manner, and the technical defect of single-pressing and crushing of the jaw plate in the prior art is overcome.

In a complete crushing process in a crushing stage, the raw materials on the horizontal supporting blanking part can be extruded and crushed due to the downward pressing motion of the upper crushing part, and the blanking part is supported to be stationary at the moment, so that the stable extrusion and crushing of the raw materials in the upper crushing part and the lower supporting plate can be ensured.

Because go up broken piece and reset upward the motion energy and drive the motion of one-way slewing mechanism and cause the lower bolster motion that supports in the blanking spare, the lower bolster shake only takes place after extrusion breakage at every turn promptly, under the prerequisite that does not influence the stability of extrusion breakage, can make the raw materials after extrusion breakage at every turn carry out displacement and turn-over for the broken atress face of next extrusion changes, makes the multiaspect homoenergetic of raw materials accept the breakage, thereby improves broken effect. In the stage of the unidirectional ascending and resetting movement, the supporting blanking of the blanking piece, the pushing of the pushing mechanism and the sieving of the blanking mesh screen are realized, in the process, the blanking of the crushed raw material on the blanking piece onto the screen of the blanking mesh screen can be realized, and the screen is in a shaking state, so that the sieving efficiency of the crushed raw material can be improved, and the phenomenon of hole blocking (blocking the mesh of the screen) can be effectively prevented.

In addition, at the moment, the raw materials pushed by the pushing plate are fed from the tail end of the feeding mesh screen, so that the raw materials staying in the mesh screen are moved out of the feeding mesh screen; realized the raw materials after sieving and not through the unloading respectively of the raw materials that sieves, guaranteed to fall into its particle diameter meet the requirements to follow-up mixing arrangement's raw materials, and because in time will stop the raw materials that stops in the screen cloth and shift out from the end of unloading mesh screen, prevent that it from piling up and influence follow-up work on the unloading mesh screen.

The invention can realize the continuous actions of raw material accumulation, downward pressing and crushing, sieving and blanking and excess material pushing by controlling the downward pressing mechanism to perform one-time complete downward pressing and resetting movement, is extremely convenient for the complete machine to control and has extremely strong automatic operation capability.

Furthermore, the rotation of the supporting blanking part, the pushing motion of the pushing plate and the shaking of the screen are cooperatively matched, and the shaking and sieving of the screen and the pushing motion of the pushing plate are integrated in the time period of the opening and closing rotation of the supporting blanking part, so that on one hand, the overall mechanical cooperative action is further improved, and the convenience and the accuracy of operation and control are improved, and on the other hand, various process steps are effectively concentrated on time through the action cooperation of the parts, and the process flow property and the timeliness are further improved.

Furthermore, the first cams are supported on the lower support plate together, so that the stability of the lower support plate is further improved.

Furthermore, the outer diameter of the first transmission belt pulley is smaller than that of the second transmission belt pulley, so that the second transmission belt pulley rotates for a certain angle, the first transmission belt pulley can rotate for multiple circles, the lower supporting plate can be further ensured to shake for multiple times up and down during shaking each time, and the motion degree of the raw materials on the lower supporting plate is further improved.

Furthermore, when the first cam drives the lower support plate to shake up and down, the lower support plate can synchronously rotate in a rotating shaft of the third cam through the transmission of the first transmission bevel gear and the second transmission bevel gear, so that the third cam rotates to drive the connecting frame to move, the supporting spring connected between the mounting frame and the lower support plate deforms along with reciprocating and moves to reset, the lower support plate shakes, the part of the side edge of the lower support plate moves horizontally in the guide hole in an up-and-down motion mode, and the double motion effects of shaking up and down and shaking of the lower support plate are achieved.

Furthermore, the free end of the supporting blanking part, namely the free end of the mounting frame, is hinged with one end of a first supporting rod, the other end of the first supporting rod is hinged with one end of a second supporting rod, and the other end of the second supporting rod is in running fit with the blanking mesh screen through a supporting torsion spring rotating shaft.

Further, still be equipped with the support torsional spring between the other end of second bracing piece and the unloading mesh screen, support the torsional spring cover and establish in supporting the torsional spring pivot, its both ends link to each other with second bracing piece, unloading mesh screen respectively. The torsion of the supporting torsion spring acts on the first supporting rod to support the horizontal supporting blanking piece, and the stability of the lower supporting plate in the horizontal supporting state is further guaranteed.

Furthermore, a supporting transmission block is fixed on the pressing end of the first pressing element, the upper end of the first supporting transmission rod is hinged with the supporting transmission block, the lower end of the first supporting transmission rod is hinged with the upper end of the second supporting transmission rod, the middle section of the second supporting transmission rod is fixed on a supporting transmission rotating shaft, and the supporting transmission rotating shaft is in running fit with the crushing bin. When the support drop is horizontal, the top surface of the lower end of the second support drive link contacts the bottom surface of the free end of the support drop.

Thus, when the supporting blanking member horizontally bears the crushing pressure of the upper crushing member, the top surface of the lower end of the second supporting transmission rod is contacted with the bottom surface of the supporting blanking member, so that the bearing capacity of the free end of the supporting blanking member is further improved. And when the pressing end of the first pressing element rises and resets to cause the support blanking part to incline, the support transmission block is driven to move upwards, the first support transmission rod is used for transmission to drive the second support transmission rod to rotate, and the lower end of the second support transmission rod rotates downwards to be separated from the bottom surface of the free end of the support blanking part.

Furthermore, by adopting the structure of the invention, batch and centralized blanking mixing of different raw materials can be realized, and the technical defect that the mixing uniformity of the raw materials is influenced because the range of various raw materials falling into the stirring device in unit time is not easy to control is avoided. The blanking plate needs to move downwards when being blanked, and the free end of the bin door needs to rotate upwards when the raw materials are thrown into the bin and blanked, if the traditional belt pulley is adopted to realize the linkage of the blanking plate and the bin door, the rotation directions of the blanking plate and the bin door are necessarily the same, and the linkage structure of the blanking plate and the bin door can realize the rotation in different directions.

Drawings

FIG. 1 is a schematic side view showing a crushing and mixing apparatus for a raw material for manufacturing a prestressed concrete tubular pile according to the present invention.

Fig. 2 is a schematic side view of the crushing apparatus according to the present invention.

Fig. 3 is a schematic structural view of the crushing device in a top view.

Fig. 4 is a schematic end view of the crushing apparatus according to the present invention.

FIG. 5 is a schematic view of the internal structure of the crushing bin of the crushing apparatus of the present invention.

FIG. 6 is an enlarged view of the portion A of FIG. 5 according to the present invention.

Fig. 7 is a schematic front structure view of the pressing mechanism when the first pressing element and the second pressing element respectively include a pressing rack and a pressing rod according to the present invention.

Fig. 8 is a schematic back structure view of the pressing mechanism when the first pressing element and the second pressing element respectively include a pressing rack and a pressing rod according to the present invention.

Fig. 9 is a schematic structural view of the first pressing element and the second pressing element respectively including a pressing rack and a pressing rod, wherein the pressing mechanism is in linkage with the upper breaking member.

Fig. 10 is a schematic structural view of the crushing device in the working state.

Fig. 11 is a schematic structural view of the unidirectional rotation mechanism of the present invention.

Fig. 12 is a schematic structural view of the cross sliding groove of the unidirectional rotating rod of the present invention.

Fig. 13 is a schematic structural view of the movable rod of the present invention.

Fig. 14 is a schematic structural view of the movable lever in a horizontal state according to the present invention.

Fig. 15 is a schematic structural view of the one-way rotating lever of the present invention in a rotating state.

Fig. 16 is a schematic view showing a structure of an engaging arm in a rotated state according to the present invention.

Fig. 17 is a schematic structural view of the movable lever in a sliding state according to the present invention.

Fig. 18 is a schematic view of the bottom of the lower support plate according to the present invention.

Fig. 19 is a schematic view of the crushing device of the present invention in a stage of one-way pressing motion.

FIG. 20 is an enlarged view of the portion A of FIG. 19 according to the present invention.

FIG. 21 is an enlarged view of portion A of FIG. 10 according to the present invention.

FIG. 22 is an enlarged view of the portion B of FIG. 10 according to the present invention

Fig. 23 is a schematic structural view of the upper end of the lower support plate in the present invention.

FIG. 24 is an enlarged view of portion A of FIG. 23 according to the present invention.

FIG. 25 is a schematic structural view of the free end of the support blanking member of the present invention in a state supported by the first support bar.

FIG. 26 is an enlarged view of a portion A of FIG. 25 according to the present invention.

Fig. 27 is a schematic structural view of the second support driving rod of the present invention in a state where the top surface of the lower end of the second support driving rod is in contact with the bottom surface of the free end of the support blanking member.

Fig. 28 is a schematic view of the construction of the crushing apparatus including the guide plate according to the present invention.

Fig. 29 is a schematic structural view of a guide plate in the present invention.

FIG. 30 is a perspective view of the apparatus for crushing and mixing raw materials for processing a prestressed concrete tubular pile according to the present invention.

FIG. 31 is an enlarged view of portion A of FIG. 30 according to the present invention.

FIG. 32 is a schematic structural view of the present invention with the gate and the blanking plate in linkage.

FIG. 33 is a schematic structural view of the present invention with both the door and the blanking plate open.

Fig. 34 is a schematic structural view of the one-way rotating lever and the movable lever in a rotating fit state in the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Example 1

As shown in fig. 1, the present embodiment discloses a raw material crushing and mixing device for processing a prestressed concrete pipe pile, which sequentially comprises a crushing device 1 and a mixing device 2 in the order from first to last.

As shown in fig. 2 to 5, the crushing device 1 includes an upper crushing member 11, a lower pressing mechanism 12, a supporting blanking member 13, a blanking mesh screen 14, a material pushing mechanism 15, and a one-way rotating mechanism 16. The upper crushing member 11 is located above the supporting blanking member 13, and the downward movement of the pressing mechanism 12 can drive the upper crushing member 11 to move downward.

The one-time circulating motion of the pressing mechanism 12 comprises a one-way pressing motion stage, a reciprocating pressing motion stage and a one-way rising reset motion stage. In the stage of the one-way pressing motion, the pressing end of the pressing mechanism 12 presses down to drive the supporting blanking member 13 to rotate to the horizontal state and to cause the material pushing plate 151 of the material pushing mechanism 15 to move to the starting end of the blanking mesh screen 14. The horizontal support blanking member 13 is used for stacking the raw material. In the reciprocating downward movement stage, when the downward pressing mechanism 12 drives the upper crushing member 11 to move downward, the raw material on the horizontal supporting and blanking member 13 can be crushed by extrusion, and when the upward returning movement of the upper crushing member 11 is driven by the downward pressing mechanism 12, the lower supporting plate 131 in the supporting and blanking member 13 can be moved by driving the unidirectional rotation mechanism 16 to move in a linkage manner. In the stage of the one-way ascending reset motion, the ascending reset motion of the pushing end of the pushing mechanism 12 drives the supporting blanking member 13 to rotate to an inclined shape and causes the material pushing plate 151 of the material pushing mechanism 15 to move to the end of the blanking mesh screen 14 and causes the mesh screen 141 in the blanking mesh screen 14 to shake. The crushed raw material falls down along the inclined surface of the supporting blanking member 13 onto the screen mesh 141 in a shaking state, the raw material falling from the mesh of the screen mesh 141 can fall into the mixing device 2, and the raw material pushed by the pusher plate 151 can be blanked from the end of the blanking mesh 14.

Initially, the present invention puts a batch of concrete material to be crushed, such as stones, into the horizontal supporting blanking member 13 through the feeding port 171 of the crushing bin 17 of the crushing device 1 by adjusting the pressing mechanism 12 to rotate the supporting blanking member 13 to the horizontal state. Then, in the reciprocating downward movement stage, the upper crushing member 11 moves downward close to the horizontal supporting falling member 13 to crush the raw material on the horizontal supporting falling member 13, and in the process of the upward movement of the upper crushing member 11 away from the supporting falling member 13, the lower supporting plate 131 in the supporting falling member 13 moves by driving the unidirectional rotation mechanism 16 to move, so that the crushed raw material on the current supporting falling member 13 moves, the position of the raw material on the lower supporting plate 131 changes, and a reciprocating movement of the downward pressing mechanism 12 in the reciprocating downward movement stage is completed. And then, the reciprocating motion is continuously carried out for a plurality of times, and the pressing, extruding and crushing of a batch of concrete raw materials to be crushed are completed. Then, at the one-way ascending reset motion stage, the ascending reset pressing mechanism 12 drives the supporting blanking member 13 to rotate to an inclined state, the crushed raw material falls onto the screen 141 of the blanking mesh 14, and meanwhile, in the process, the screen 141 shakes, so that the concrete raw material moves, the raw material with a small particle size falls through the meshes of the screen 141, and finally falls into the mixing device 2 to be mixed with other raw materials. At the same time, the material that is not crushed in the screen 141, i.e., the material that cannot pass through the mesh openings of the screen 141, is pushed to the end of the blanking screen 14 by the pusher plate 151 of the pusher mechanism 15, and is blanked from the end of the blanking screen 14. And then, the supporting blanking part 13 rotates to the horizontal state again through the downward pressing movement of the downward pressing end of the downward pressing mechanism 12, the material pushing plate 151 of the material pushing mechanism 15 moves to the starting end of the blanking mesh screen 14, the next batch of concrete raw materials to be crushed are fed into the horizontal supporting blanking part 13 through the feeding hole of the crushing bin 17 of the crushing device 1, and the crushing and blanking of multiple batches of concrete raw materials to be crushed are carried out in a circulating manner.

As shown in fig. 6, in some embodiments, an interlayer is formed between the end of the blanking screen 14 and the crushing bin, and the interlayer is opened with a discharge opening 172, so that the raw material pushed out by the pusher plate 151 falls into the interlayer and is discharged through the discharge opening 172.

In some embodiments, the feeding holes 171 are distributed at different positions of the crushing bin 17, and the feeding holes 171 feed simultaneously, so as to improve the feeding efficiency and the dispersion of the raw material falling into the supporting blanking member 13.

Further, the crushed raw material is pressed down to fall into the middle area of the screen mesh 141 of the feeding mesh screen 14, so that in the pushing process of the pushing plate 151, a period of time is required for the pushing plate 151 to move to contact with the crushed raw material, sufficient feeding of the raw material on the supporting blanking member 13 can be guaranteed in the period of time, a certain period of time also exists when the pushing plate 151 pushes the crushed raw material to move towards the tail end of the screen mesh 141, the crushed raw material is pressed down in the period of time and still passes through the screen mesh 141 for a period of time, and the sieving sufficiency is guaranteed.

In some embodiments, the pressing mechanism 12 includes a first pressing element 121 and a second pressing element 122, the pressing movement of the first pressing element 121 occurs in a unidirectional pressing movement phase, and the ascending reset movement of the first pressing element 121 occurs in a unidirectional ascending reset movement phase. The reciprocating depressing movement of the second depressing element 122 occurs during a reciprocating depressing movement phase.

As shown in fig. 7 to 9, in some embodiments, the first and second push-down elements 121 and 122 of the present invention include a push-down rack 1211 and a push-down rod 1221, respectively. A drive element is also included, including a first motor 1231, a first drive gear 1232, a partial gear 1233, a second drive gear 1234, and a drive shaft 1235. The fixed end of the first motor 1231 is fixed in the crushing bin 17, the output shaft end of the first motor 1231 is connected with the incomplete gear 1233, the incomplete gear 1233 can be alternatively meshed with the first driving gear 1232 and the second driving gear 1234, the first driving gear 1232 is meshed with the lower pressing rack 1211, and the transmission block 181 is fixed on the lower pressing rack 1211. The upper end of the driving rod 1235 is eccentrically hinged to the rotating wheel 1236, the rotating wheel 1236 is coaxial with the second driving gear 1234, the lower end of the driving rod 1235 is hinged to the upper end of the lower pressing rod 1221, and the lower end of the lower pressing rod 1221 extends out of the guide plate 1237 in a sliding fit from top to bottom and is fixed to the upper crushing member 11. And ensures that the second drive gear 1234 rotates several revolutions per complete gear 1233 meshing with the second drive gear 1234. The first and second driving gears 1232 and 1234 of the present invention are respectively fixed to the first and second gear rotating shafts 12381 and 12382, and both the first and second gear rotating shafts 12381 and 12382 are rotatably engaged with the crushing bin 17. The guide plate 1237 may be fixed to the crushing bin 17.

According to the invention, by driving the first motor 1231, the output shaft of the first motor 1231 rotates in the forward direction to drive the incomplete gear 1233 to rotate, the incomplete gear 1233 rotates to be firstly meshed with the first driving gear 1232, the first driving gear 1232 rotates to drive the pressing rack 1211 to move downwards, the pressing rack 1211, namely the pressing end of the first pressing element 121, is pressed downwards, and the pressing rack 1211 moves downwards, namely the one-way pressing movement stage. When the incomplete gear 1233 rotates to be meshed with the second driving gear 1234, at this time, a segment without teeth of the incomplete gear 1233, i.e., an outer convex arc segment, is opposite to an inner concave arc of the teeth of the first driving gear 1232, the first driving gear 1232 is locked, the push-down rack 1211 stops moving, and at this time, the second driving gear 1234 rotates to drive the rotating wheel 1236 to rotate, and the push-down rod 1221 is driven to move along the guide of the guide plate 1237 through the transmission of the driving rod 1235. Since the incomplete gear 1233 is meshed with the second driving gear 1234 once, the second driving gear 1234 rotates several turns, so that the lower pressing rod 1221 reciprocates up and down many times along the guide of the guide plate 1237, and the upper crushing member 11 reciprocates up and down many times synchronously, i.e. the movement in the reciprocating downward pressing movement stage is realized. When the output shaft of the first motor 1231 rotates in the reverse direction, firstly, the incomplete gear 1233 is meshed with the second driving gear 1234, and the upper crushing member 11 reciprocates up and down again for a plurality of times until the incomplete gear 1233 is meshed with the lower pressing rack 1211, a section without teeth of the incomplete gear 1233, namely an outer convex arc section, is opposite to an inner concave arc of a tooth part of the second driving gear 1234, the second driving gear 1234 is locked, and the first driving gear 1232 rotates in the reverse direction to drive the lower pressing rack 1211 to move in a rising and resetting manner, so that the movement in a one-way rising and resetting movement stage is completed.

Further, the first motor 1231 is preferably a servo first motor.

Further, the quantity of runner 1236 is a plurality of, and each runner 1236 cooperates a depression bar 1221 down, and the upper broken piece 11 is connected jointly to many depression bars 1221 down, improves the supporting role. Each of the rollers 1236 is fixed to a second gear shaft 12382. A rotating wheel linkage belt pulley 12391 is further fixed on each second gear wheel rotation shaft 12382, and a rotating wheel linkage belt is sleeved between all the rotating wheel linkage belt pulleys 12391.

In some embodiments, a vertical guide (not shown) is fixed in the crushing chamber 17, and a side surface, i.e., a non-toothed side, of the lower rack 1211 is in sliding engagement with the vertical guide in the vertical direction.

As shown in fig. 2 and 3, in some embodiments, the first and second pressing elements 121 and 122 of the present invention may be air cylinders or oil cylinders, preferably servo air cylinders or servo oil cylinders. The pressing end of the first pressing element 121 and the pressing end of the second pressing element 122 are the piston rod end of the air cylinder or the piston rod end of the oil cylinder.

As shown in fig. 2, 3, 5 and 10, in some embodiments, the first pressing element 121 is a first servo cylinder, the second pressing element 122 is a second servo cylinder, a cylinder end of the first servo cylinder is fixed on the crushing bin 17, a piston rod end of the first servo cylinder extends into the crushing bin 17, a fixed block 124 is fixed at the bottom of the piston rod end of the first servo cylinder, a cylinder end of the second servo cylinder is fixed on the fixed block 124, and a piston rod end of the second servo cylinder is fixedly connected with the upper crushing member 11. A transmission block 181 is fixed on the end of the piston rod of the first servo cylinder.

In some embodiments, as shown in fig. 10, the transmission block 181 is hinged to the upper end of the blanking link 182, the lower end of the blanking link 182 is hinged to the upper end of the blanking swing rod 183, the lower end of the blanking swing rod 183 and the rotating end of the supporting blanking member 13 are both fixed to the first rotating shaft 1841, and the first rotating shaft 1841 is rotatably engaged with the crushing bin 17.

When the pressing end of the first pressing element 121 moves downward, i.e. in the one-way pressing motion stage, the driving block 181 is driven to move downward, the driving block 181 moves downward to drive the blanking connecting rod 182 to move, and the blanking swing rod 183 is driven to rotate, so that the first rotating shaft 1841 rotates until the free end of the supporting blanking member 13 rotates upward until the supporting blanking member 13 is horizontal. Similarly, during the one-way ascending reset movement, the ascending reset movement of the downward pressing end of the first downward pressing element 121 can realize the reverse rotation of the blanking swing rod 183, so that the first rotating shaft 1841 rotates to the free end of the supporting blanking member 13 and rotates downward to incline the supporting blanking member 13.

By adopting the structure of the invention to cooperate the lifting movement of the pressing end of the first pressing element 121 and the rotation of the supporting blanking member 13, the continuity and accuracy of the movement and the convenient operability are ensured.

As shown in fig. 10-17, in some embodiments, the unidirectional rotation mechanism 16 includes a unidirectional rotation lever 161, a first projectile body 162, a movable lever 163, a second projectile body 164, and a connector arm 165. The rotation end of the one-way rotation lever 161 is rotatably engaged with one end of the link arm 165 through the second rotation shaft 1842, and the other end of the link arm 165 is fixed to the first rotation shaft 1841. The first elastic body 162 is fitted so that the free end of the one-way rotating lever 161 is suspended. A cross sliding groove 1611 is formed in the free end of the unidirectional rotating rod 161, the connecting end 1632 of the movable rod 163 is in sliding fit with the cross sliding groove 1611 in the horizontal direction, a second elastic body 164 is arranged between the connecting end 1632 of the movable rod and the free end of the unidirectional rotating rod 161, and the top surface of the contact end 1631 of the movable rod is an inclined surface. The pressing motion of the second pressing member 122 can bring the upper crushing member 11 into contact with the inclined surface of the movable rod 163, and the movable rod 163 slides along the cross slide slot 1611. The second push-down element 122 moves upward to return until the upper crushing member 11 comes into contact with the bottom surface of the contact end 1631 of the movable rod, which can drive the free end of the one-way rotating lever 161 to rotate upward to shake the lower support plate 131.

As shown in fig. 10 and 18 to 20, the bottom of the lower support plate 131 is provided with a first cam 1331, the first cam 1331 is fixed on a first cam rotating shaft 1332, and the first cam rotating shaft 1332 is rotatably engaged with the mounting frame 132 of the support blanking member 13. A first transmission pulley 13331 is fixed on the first cam rotating shaft 1332, a second transmission pulley 13332 is fixed on the second rotating shaft 1842, and a transmission belt is sleeved between the first transmission pulley 13331 and the second transmission pulley 13332.

In the reciprocating downward movement stage, when the downward pressing end of the second pressing element 122 moves downward to bring the upper crushing member 11 into contact with the inclined surface of the contact end 1631 of the movable rod, the movable rod 163 is subjected to a component force in the horizontal direction to move along the cross slide slot 1611 in a direction away from the upper crushing member 11, and the one-way rotating rod 161 is relatively stationary and does not link with the lower support plate 131. When the upper crushing member 11 moves downward to be separated from the movable rod 163, the second elastic body 164 is reset to reset the movable rod 163. When the downward pressing end of the second downward pressing element 122 moves downward, that is, after the upper crushing member 11 completes one crushing movement, and returns upward, the upper crushing member 11 contacts with the bottom surface of the contact end 1631 of the movable rod, the bottom surface of the contact end 1631 of the movable rod is a plane, and no limit exists above the unidirectional rotating rod 161, the top surface of the contact end 1631 of the movable rod contacts with the inner top surface of the cross-shaped chute 1611, so as to drive the free end of the unidirectional rotating rod 161 to rotate upward, while the rotating end of the unidirectional rotating rod 161 is fixed on the second rotating shaft 1842, the second rotating shaft 1842 rotates to drive the second transmission belt wheel 13332 to rotate, and the transmission belt drives the first transmission belt wheel 13331 to rotate, so as to drive the first cam rotating shaft 1332 to rotate, and further drive the lower support plate 131 to shake up and down. When the depressing end of the second depressing element 122 is reset, the upper crushing member 11 is separated upward from the movable lever 163, and the first elastic body 162 is reset to drive the one-way rotating lever 161 to be reset.

During the one-way pressing motion and the one-way lifting reset motion, the rotation of the first shaft 1841 drives the one-way rotating mechanism 16 to swing correspondingly with the swing of the connecting arm 165. Preferably, the upper crushing member 11 is located above the unidirectional rotating mechanism 16 in the unidirectional pressing motion stage and the unidirectional lifting reset motion stage, so as to avoid the phenomenon that the unidirectional rotating mechanism 16 swings and interferes with the upper crushing member 11. When the pressing end of the first pressing element 121 moves downward to the right position, i.e., completes the movement of the stage of the unidirectional pressing movement, the unidirectional rotation mechanism 16 swings until the movable lever 163 becomes horizontal.

In some embodiments, a stopper 166 is further included, the first elastic body 162 is assembled such that the free end of the one-way rotating lever 161 is suspended and the top surface of the stopper 166 abuts against the bottom surface of the one-way rotating lever 161, and the stopper 166 is fixed on the coupling arm 165.

In the reciprocating downward-pressing movement stage, when the downward-pressing end of the second downward-pressing element 122 moves to bring the upper crushing member 11 into contact with the inclined surface of the contact end 1631 of the movable rod, the movable rod 163 is subjected to a component force in the horizontal direction to move along the cross sliding slot 1611 in the direction away from the upper crushing member 11, and since the top surface of the limiting block 166 abuts against the bottom surface of the unidirectional rotating rod 161 at this time, the unidirectional rotating rod 161 is further prevented from rotating due to the fact that the unidirectional rotating rod 161 overcomes the elastic force of the first elastic body 162, it is further ensured that the unidirectional rotating rod 161 is not driven to rotate by the downward movement of the upper crushing member 11, and the unidirectional rotating rod 161 is relatively static and does not have linkage with the lower support plate 131.

Further, the first elastic body 162 is preferably a torsion spring, the torsion spring is sleeved on the second rotating shaft 1842, and two ends of the torsion spring are respectively connected to the rotating end of the one-way rotating rod 161 and the connecting arm 165.

Further, the second elastic body 164 is preferably a compression spring. The two ends of the cross sliding slot 1611 are connected with the inner wall of the cross sliding slot 1611 and the connecting end 1632 of the movable rod. Of course, the first elastic body 162 and the second elastic body 164 may be other springs in the prior art.

With the unidirectional rotation mechanism 16 of the present invention, the unidirectional rotation lever 161, the first elastic body 162, the movable lever 163, and the second elastic body 164 are engaged with each other to realize a different engagement manner with the downward movement and the upward movement of the upper crushing member 11, and to realize intermittent linkage between the upper crushing member 11 and the lower support plate 131, that is, the linkage only occurs in the upward return stage after each downward crushing of the upper crushing member 11. Need not to dispose the power supply for bottom suspension fagging 131 alone, can realize the pertinence when bottom suspension fagging 131 shakes and shakes, guarantee under the prerequisite that does not influence the broken stability of extrusion, can make the raw materials after the extrusion breakage at every turn carry out displacement and turn-over, make the broken stress surface of extrusion next time change, make the multiaspect homoenergetic of raw materials accept broken going on smoothly, and is further, make the complete machine when the actual operation, improve the convenience of controlling and the cooperation of motion between the part, it is smooth and easy and accurate.

As shown in fig. 18 and 20, the first cam rotating shafts 1332 of the present invention are provided in a plurality, and are arranged in parallel at intervals, each first cam rotating shaft 1332 is fixed with a plurality of first cams 1331, and all the first cams 1331 are distributed in a matrix. Each first cam rotating shaft 1332 is fixed with a transmission connecting belt wheel 13335, and a transmission connecting belt is sleeved between all the transmission connecting belt wheels 13335.

The stability of the lower support plate 131 is further improved by the present invention in which the plurality of first cams 1331 are supported together and act on the lower support plate 131.

As shown in fig. 10 and 21, the blanking screen 14 further includes a frame 142, and the frame 142 is fixed in the crushing bin 17. The screen 141 is suspended in a hollow region in the middle of the frame 142 by springs 149, and the top surface of the ends of the frame 142 is inclined downward. Both sides of the screen 141 are connected with fixing rods 143, both sides of the frame 142 are provided with through holes, and the fixing rods 143 extend out of the through holes in a clearance fit manner to be connected with the frame 144. A second cam 145 is provided on a side surface of the one side frame 144, and both the second cam 145 and the first connecting pulley 1461 are fixed to the third rotating shaft 147.

As shown in fig. 10 and 21, the pushing mechanism 15 further includes a screw 152, bearing seats 153 are fixed at the starting end of the frame 142 and the tail end of the frame 142, and two ends of the screw 152 are respectively rotatably engaged with the bearing seats 153 at the starting end of the frame 142 and the bearing seats 153 at the tail end of the frame 142. A second connecting pulley 1462 is provided on the screw 152, and a connecting belt is fitted between the first connecting pulley 1461 and the second connecting pulley 1462.

As shown in fig. 10 and 22, the ejector plate 151 is screw-fitted to the screw 152. A first linkage belt pulley 1551 is further fixed on the screw rod 152, a first gear 1552 is fixed on the first rotating shaft 1841, the first gear 1552 is meshed with a second gear 1553, the second gear 1553 and a first bevel gear 1554 are fixed on a fourth rotating shaft 1555, the first bevel gear 1554 is meshed with a second bevel gear 1556, the second bevel gear 1556 and a second linkage belt pulley 1557 are fixed on a fifth rotating shaft, and a linkage belt is sleeved between the first linkage belt pulley 1551 and the second linkage belt pulley 1557.

Further, the third rotating shaft 147, the fourth rotating shaft 1555 and the fifth rotating shaft can be in rotating fit with the crushing bin 17.

When the first rotating shaft 1841 rotates to rotate the supporting blanking member 13 to perform inclined blanking, the first gear 1552 is driven to rotate, the fourth rotating shaft 1555 is driven to rotate by the acceleration of the second gear 1553, the second linkage belt pulley 1557 is driven to rotate by the reversing of the first bevel gear 1554 and the second bevel gear 1556, the first linkage belt pulley 1551 is driven to rotate by the transmission of the linkage belt, the screw 152 rotates, and the material pushing plate 151 moves to the tail end of the frame 142. When the first rotary shaft 1841 rotates to rotate the supporting blanking member 13 to the horizontal, the screw 152 rotates reversely, and the material pushing plate 151 moves to the initial end of the frame 142. Meanwhile, in the rotating process of the screw 152, the third rotating shaft 147 is driven to rotate through the transmission of the first connecting belt pulley 1461 and the second connecting belt pulley 1462, the second cam 145 rotates, the frame 144 moves, the fixing rod 143 moves horizontally in the through hole, and the spring 149 connected between the frame 142 and the screen 141 performs deformation and reset motion along with reciprocating motion, so that the shaking of the screen 141 is realized. Both ends of the spring 149 may be hooked in the mounting holes of the frame 142 and the screen 141, respectively.

By adopting the mechanical matching structure, the rotation of the supporting blanking part 13, the pushing motion of the pushing plate 151 and the shaking of the screen 141 are matched in a coordinated manner, and the shaking and sieving of the screen 141 and the pushing motion of the pushing plate 151 are integrated in the time period of the opening and closing rotation of the supporting blanking part 13, so that on one hand, the overall mechanical cooperation effect is further improved, and the convenience and the accuracy of operation and control are improved, on the other hand, various process steps are effectively concentrated on time through the action matching of the components, and the process flow property and the timeliness are further improved.

In some embodiments, the first gear 1552 is a partial gear, and when the first shaft 1841 rotates to support the blanking member 13 to incline, the first gear 1552 starts to mesh with the second gear 1553. After the supporting blanking member 13 is blanked for a period of time, the material pushing plate 151 starts to push material.

As shown in fig. 10, in some embodiments, the number of the lead screws 152 of the present invention is multiple, a lead screw belt pulley 157 is fixed at an end of each lead screw 152, and a lead screw belt is sleeved between all the lead screw belt pulleys 157.

In some embodiments, a polish rod (not shown) is fixedly connected between the bearing seat 153 at the beginning end of the frame 142 and the bearing seat 153 at the end of the frame 142, and the material pushing plate 151 is sleeved on the polish rod and slidably engaged with the polish rod.

In some embodiments, the bottom of the stripper plate 151 contacts the top surface of the screen 141 and the top surface of the frame 142.

In some embodiments, the top surface of the screen 141 and the top surface of the frame 142 are flush.

Further, the outer diameter of the first driving pulley 13331 of the present invention is smaller than the outer diameter of the second driving pulley 13332, so that the second driving pulley 13332 rotates a certain angle, and the first driving pulley 13331 can rotate for a plurality of turns, further ensuring that the lower support plate 131 can shake up and down for a plurality of times during each shaking, and further improving the moving degree of the raw material on the lower support plate 131.

Compared with the prior art, the invention has the following technical effects: on one hand, the continuous feeding, crushing and discharging of the same batch of raw materials to be crushed are realized through the one-time complete reciprocating motion of the pressing mechanism 12, and the treatment of multiple batches of raw materials to be crushed is realized through the circulating motion of the pressing mechanism 12, so that the industrial water flowing property is ensured; on the other hand, the reciprocating downward pressing movement stage of the upper crushing member 11, namely the crushing stage, can crush the same batch of raw materials needing to be crushed for multiple times in a downward pressing and extruding manner, and the technical defect of single-time extrusion crushing of the jaw plate in the prior art is overcome. In a complete crushing process of the crushing stage, the upper crushing member 11 can crush the raw material on the horizontal supporting blanking member 13 due to the downward pressing motion of the upper crushing member, and the supporting blanking member 13 is stationary at the moment, so that the stable crushing of the raw material in the upper crushing member 11 and the lower supporting plate 131 can be ensured; because last broken piece 11 resets the motion energy upwards and drives the motion of one-way slewing mechanism 16 and cause the lower supporting plate 131 motion in supporting blanking piece 13, the shake of lower supporting plate 131 only takes place after the extrusion breakage at every turn promptly, under the prerequisite that does not influence the broken stability of extrusion, can make the raw materials after the extrusion breakage at every turn carry out displacement and turn-over, make the broken atress face of extrusion change next time, make the multiaspect homoenergetic of raw materials accept the breakage, thereby improve broken effect. In the stage of the unidirectional ascending and resetting movement, the supporting blanking of the blanking piece 13, the pushing of the pushing mechanism 15 and the sieving of the blanking mesh screen 14 are realized, in the process, the blanking of the crushed raw material on the blanking piece 13 onto the screen 141 of the blanking mesh screen 14 can be realized, and the screen 141 is in a shaking state at the moment, so that the sieving efficiency of the crushed raw material can be improved, and the phenomenon of hole blocking (blocking of meshes of the screen 141) can be effectively prevented; in addition, since the material pushed by the pusher plate 151 is discharged from the end of the discharging screen 14 at this time, the material remaining in the screen 141 is moved out of the discharging screen 14; realized the raw materials after sieving and the unloading respectively of the raw materials that does not pass through sieving, guaranteed to fall into its particle diameter of the raw materials to follow-up mixing arrangement 2 and meet the requirements, and because in time will stop the raw materials that stops in screen cloth 141 and shift out from the end of unloading mesh screen 14, prevent that it from piling up on unloading mesh screen 14 and influencing follow-up work. According to the invention, through controlling the pressing mechanism 12 to perform one-time complete pressing and resetting movement, the actions of raw material accumulation, pressing and crushing, sieving and blanking and excess material pushing-out can be continuously performed, the whole machine control is extremely convenient, and the automatic operation capability is extremely strong.

The raw material crushing and mixing device for processing the prestressed concrete pipe pile is not limited to crushing and mixing the raw materials for processing the concrete pipe pile, and can crush and mix paint, crops, pigment or other compounded materials in the prior art.

Example 2

As shown in fig. 4, the present embodiment is different from the above-described embodiments in that an upper protrusion 111 is provided on the bottom surface of the upper crushing member 11, the tip of the upper protrusion 111 faces downward, and a plurality of upper protrusions 111 are arranged in a matrix. A lower protrusion 1311 is provided on the top surface of the lower support plate 131, the tip of the lower protrusion 1311 is directed upward, and a plurality of lower protrusions 1311 are arranged in a matrix.

Since the upper crushing member 11 and the lower support plate 131 are respectively provided with the plurality of upper protrusions 111 and the plurality of lower protrusions 1311, the pressure for extruding the raw material on the lower support plate 131 is increased, and the crushing strength is improved.

The upper protrusion 111 and the lower protrusion 1311 may also be in a tapered structure or a circular truncated cone structure.

Further, the projection of the tip of the upper protrusion 111 in the vertical direction coincides with the projection of the tip of the corresponding lower protrusion 1311 in the vertical direction; or the projection of the tip of the upper protrusion 111 in the vertical direction is offset from the projection of the tip of the corresponding lower protrusion 1311 in the vertical direction, and the plurality of upper protrusions 111 and the plurality of lower protrusions 1311 form a zigzag structure.

Example 3

As shown in fig. 18, 23 and 24, the present embodiment is different from the above embodiments in that the middle of the mounting frame 132 is hollowed, the side surface of the mounting frame is provided with a guide hole 13211, the main body of the lower support plate 131 is embedded in the middle of the mounting frame 132, and a part of the side edge of the lower support plate 131 extends out of the corresponding guide hole 13211. When the lower support plate 131 is horizontal, a partial bottom surface of its side edge contacts the inner bottom surface of the guide hole 13211. The first rotation shaft 1841 is fixed to the mounting frame 132.

Furthermore, the side edge of the lower support plate 131 can partially move up and down along the guide hole 13211, the mounting frame 132 is further rotatably fitted with a third cam rotating shaft 1391, the third cam rotating shaft 1392 and a first transmission bevel gear 1393 are fixed to the third cam rotating shaft 1391, the transition rotating shaft 1395 is rotatably fitted with the mounting frame 132, the second transmission bevel gear 1394 and a first transition pulley 1396 are fixed to the transition rotating shaft 1395, a second transition pulley 1397 is fixed to the first cam rotating shaft 1332, and the first transmission bevel gear 1393 and the second transmission bevel gear 1394 are engaged with each other. The third cam 1392 is in contact with the connection frame 138 connected to one side of the lower support plate 131. A transition belt is sleeved between the first transition pulley 1396 and the second transition pulley 1397.

Thus, when the first cam 1331 drives the lower support plate 131 to shake up and down, the first transmission bevel gear 1393 and the second transmission bevel gear 1394 can synchronously drive the third cam rotating shaft 1391 to rotate through transmission, so that the third cam 1392 rotates and drives the connecting frame 138 to move, the support spring 137 connected between the mounting frame 132 and the lower support plate 131 deforms and moves back and forth, the lower support plate 131 shakes, and parts of the side edge of the lower support plate 131 move horizontally in the guide holes 13211, namely, in an up-and-down motion manner, so that the double motion effects of shaking up and down and shaking of the lower support plate 131 are achieved.

Example 4

The difference between the present embodiment and the above embodiments is that the movement of the support blanking member 13 of the present invention may be only shaking, and does not include the first cam and the component linking the movement of the first cam. At this time, the first transmission pulley 13331 is fixed to the transition rotation shaft 1395, and the transition rotation shaft 1395 is driven to rotate by the rotation of the second transmission pulley 13332 and the first transmission pulley 13331 through the rotation of the second rotation shaft 1842, and the third cam rotation shaft 1391 is driven to rotate by the transmission of the first transmission bevel gear 1393 and the second transmission bevel gear 1394, so that the rotation of the third cam 1392 is realized, the connecting frame 138 is driven to move, and the support spring 137 connected between the mounting frame 132 and the lower support plate 131 deforms and returns along with the reciprocation.

Example 5

As shown in fig. 25 and 26, the present embodiment is different from the above embodiments in that the free end of the supporting blanking member 13, i.e. the free end of the mounting frame 132, is hinged to one end of a first supporting rod 191, the other end of the first supporting rod 191 is hinged to one end of a second supporting rod 192, and the other end of the second supporting rod 192 is rotatably engaged with the blanking screen 14 through a supporting torsion spring rotating shaft 194.

A support torsion spring is further assembled between the other end of the second support rod 192 and the blanking mesh screen 14, the support torsion spring is sleeved on a support torsion spring rotating shaft 194, and two ends of the support torsion spring are respectively connected with the second support rod 192 and the blanking mesh screen 14. The torsion of the support torsion spring acts on the first support rod 191 to support the horizontal support blanking member 13, thereby further ensuring the stability of the lower support plate 131 in the horizontal support state.

In some embodiments, a support cylinder is also fixed to the crushing bin 17, the rod end of which extends and is supported at the bottom of the free end of the support blanking member 13 when the support blanking member 13 is horizontal. When the free end of the supporting blanking member 13 needs to be rotated, the rod end of the supporting cylinder is retracted to move away from the bottom of the free end of the supporting blanking member 13.

Example 6

As shown in fig. 27, the present embodiment is different from the above-described embodiments in that a support transmission block 1961 is further fixed to the pressing end of the first pressing element 121, the upper end of the first support transmission rod 1962 is hinged to the support transmission block 1961, the lower end of the first support transmission rod 1962 is hinged to the upper end of the second support transmission rod 1963, the middle section of the second support transmission rod 1963 is fixed to a support transmission shaft 1964, and the support transmission shaft 1964 is rotatably coupled to the crushing bin 17. When the support drop 13 is horizontal, the top surface of the lower end of the second support transmission lever 1963 contacts the bottom surface of the free end of the support drop 13.

In this way, when the supporting drop member 13 is horizontally subjected to the crushing pressure of the upper crushing member 11, the free end load-bearing capacity of the supporting drop member 13 is further increased since the top surface of the lower end of the second support link 1963 is now in contact with the bottom surface of the supporting drop member. When the pressing end of the first pressing element 121 is lifted and reset to incline the supporting drop 13, the supporting transmission block 1961 is driven to move upwards, the first supporting transmission rod 1962 is used for transmission, the second supporting transmission rod 1963 is driven to rotate, and the lower end of the second supporting transmission rod 1963 rotates downwards to be separated from the bottom surface of the free end of the supporting drop 13.

Example 7

As shown in fig. 28 and 29, the present embodiment is different from the above embodiments in that a guide plate 101 is provided between the supporting blanking member 13 and the blanking screen 14, and the guide plate 101 extends obliquely downward from near the end of the blanking screen 14 to the middle area of the screen 141. A blanking mesh 102 is provided in a region of the guide plate 101 opposite to the middle region of the mesh 141.

Thus, when the free end of the supporting blanking member 13 is downwardly inclined for blanking, under the action of the guide plate 101, the raw material moves to the blanking mesh openings 102 and relatively uniformly falls on the middle area of the screen mesh 141 through a plurality of blanking holes in the blanking mesh openings 102, thereby ensuring that the raw material can fall on the middle area of the screen mesh 141 on the one hand, and also achieving that the raw material uniformly falls on the middle area of the screen mesh 141 to prevent accumulation on the other hand, thereby improving the screening effect.

Example 8

As shown in fig. 1, the present embodiment is different from the above embodiments in that the mixing device 2 includes a stirring device and a raw material charging device. The raw material charging device includes a raw material charging bin 221.

As shown in fig. 30-33, the crushing device 1 further includes a transfer bin 103, a sixth rotating shaft 1041 is rotatably fitted at the lower end of the transfer bin 103, i.e., the discharge port of the transfer bin 103, and the rotating end of the blanking plate 1042 is fixed on the sixth rotating shaft 1041.

The discharge port of the raw material feeding bin 221 is rotatably engaged with the seventh rotating shaft 222, and the rotating end of the bin gate 223 is fixed to the seventh rotating shaft 222. The seventh rotating shaft 222 is further fixed to one end of the swing rod 231, a wire slot is formed in the other end of the swing rod 231, a roller 232 or a pin is inserted into the wire slot, the roller 232 or the pin is fixedly or rotatably connected to one end of the rotating rod 233, the other end of the rotating rod 233 is fixed to the eighth rotating shaft 234, and the eighth rotating shaft 234 is rotatably matched with the raw material charging bin 221. A first rotating belt pulley 235 is further fixed on the eighth rotating shaft 234, a second rotating belt pulley 236 is fixed on the sixth rotating shaft 1041, and a rotating belt is sleeved between the first rotating belt pulley 235 and the second rotating belt pulley 236.

The raw material falling from the mesh of the screen 141 falls onto the blanking plate 1042 to be accumulated. When the raw materials stacked on the blanking plate 1042 reach the set gravity range, the second motor rotates forward to drive the sixth rotating shaft 1041 to rotate forward, so as to drive the free end of the blanking plate 1042 to incline downward, and the stacked raw materials fall downward into the stirring device. Meanwhile, the sixth rotating shaft 1041 rotates forward to drive the eighth rotating shaft 234 to rotate through the transmission of the first rotating belt pulley 235 and the second rotating belt pulley 236, the rotating rod 233 is driven to rotate, the roller 232 rotates in the wire slot, the swing rod 231 is driven to swing, the free end of the bin gate 223 is driven to rotate upwards, the bin gate 223 is opened, and the raw material put into the bin 221 falls into the stirring device at the same time. Similarly, when the second motor rotates reversely to the level of the free end of the blanking plate 1042 and the blanking plate 1042 accumulates the raw material next time, the free end of the bin gate 223 is driven to rotate downward until the discharge hole for feeding the raw material into the bin 221 is closed.

Because the raw materials of the concrete are more, in order to improve the mixing uniformity of the concrete, a mixing mode of combining multiple batches with a single batch and a small amount of raw materials is adopted. The combination of the crushing device and the mixing device in the prior art only uses the screen as a middle transition layer, the crushed raw materials can fall into the mixing device at any time, the range of various raw material amounts falling into the mixing device in unit time is not easy to control, and the mixing uniformity of the raw materials is influenced.

By adopting the structure of the invention, the batch and concentrated blanking mixing of different raw materials can be realized, and the technical defects that the range of the amount of various raw materials falling into the stirring device in unit time is not easy to control and the mixing uniformity of the raw materials is influenced are avoided. Because the blanking plate 1042 needs the free end to move downwards and the blanking of the raw material feeding bin 221 needs the free end of the bin gate 223 to rotate upwards, if the traditional belt pulley is adopted to realize the linkage of the two, the rotation directions of the two are inevitably the same, and by adopting the linkage structure of the invention, the opposite rotation of the blanking plate 1042 and the bin gate 223 can be realized.

As shown in fig. 33, in some embodiments, the inner bottom surface of the raw material feeding chamber 221 is an inclined surface whose height gradually decreases toward the discharge port, so as to ensure that the raw material therein can fall in time after the chamber door 223 is opened.

All belt pulleys can be replaced by gears, and the belt can be replaced by a chain.

In some embodiments, a gravity sensor is further disposed on the blanking plate 1042, and when the load on the blanking plate 1042 reaches a set range of the gravity sensor, the gravity sensor sends a signal to the PLC center, and the PLC center sends a command to drive the second motor to rotate forward and backward. The second motor is preferably a servo motor or a stepper motor.

The stirring device comprises a mixing bin 21, wherein a stirring paddle is arranged in the mixing bin 21 and is driven by a motor. The top of the mixing bin 21 is provided with a first feeding hole and a second feeding hole.

As shown in fig. 30, a discharge port of the transfer bin 103 is communicated with the first feed port through a first pipe 31, and a cover 32 or a second pipe is connected between a discharge port of the raw material feeding bin 221 and the second feed port.

Further, a channel 33 is further arranged below the discharge hole of the transfer bin 103, and the first pipeline 31 is communicated with the channel 33. The raw material falling from the discharge port of the surge bin 103 flows into the first pipe 31 again through the passage 33.

Further, a pump is provided in each of the first pipe 31, the cover 32, and the second pipe.

The mixing silo 21 of the present invention may also be of an open-topped configuration. So, the raw materials that fall from the discharge gate of transfer bin 103 directly falls into mixing bin 21 through the uncovered or when not including transfer bin 103, the raw materials that directly fall after the raw materials filters from screen cloth 141 directly falls into mixing bin 21 through the uncovered. Other raw materials may be manually charged into the mixing bin 21. Of course, the mixing device 2 of the present invention may be other prior art.

Example 9

As shown in fig. 34, the present embodiment is different from the above embodiments in that the rotating end of the one-way rotating lever 161 is rotatably engaged with one end of the adapter arm 165, and the other end of the adapter arm 165 is interlocked with the supporting blanking member 13; the first elastic body is assembled so that the free end of the one-way rotating lever 161 is suspended and the top surface of the stopper 166 abuts against the bottom surface of the one-way rotating lever 161, and the stopper 166 is connected to the engaging arm 165. The free end of the unidirectional rotating rod 161 is rotatably engaged with the contact end of the movable rod through the connecting rotating shaft 169, and the second elastic body is assembled between the free end of the unidirectional rotating rod 161 and the contact end of the movable rod 163, so that the top surface of the movable rod 163 abuts against the partial bottom surface of the unidirectional rotating rod 161. The pressing motion of the second pressing element 122 can drive the upper crushing member 11 to contact the top surface of the contact end 1631 of the movable rod, and the contact end 1631 of the movable rod rotates downward. The second push-down element 122 moves to the upward return position to contact the bottom surface of the contact end 1631 of the movable rod, and can drive the free end of the one-way rotating rod 161 to rotate upward to move the lower support plate 131.

The first elastic body and the second elastic body are both torsion springs. The first elastic body is sleeved on the second rotating shaft 1842, and two ends of the first elastic body are respectively connected with the unidirectional rotating rod 161 and the connecting arm 165. The second elastic body is sleeved on the connecting shaft 169, and both ends of the second elastic body are respectively connected with the unidirectional rotating rod 161 and the movable rod 163.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A crushing device characterized by: the crushing device comprises an upper crushing piece, a lower pressing mechanism, a supporting blanking piece, a blanking mesh screen, a material pushing mechanism and a one-way rotating mechanism; the upper crushing member is positioned above the supporting blanking member, and the downward pressing mechanism can drive the upper crushing member to move downward by downward pressing movement;

the movement of the pressing mechanism comprises a unidirectional pressing movement stage, a reciprocating pressing movement stage and a unidirectional ascending reset movement stage; in the unidirectional downward pressing motion stage, the downward pressing mechanism drives the supporting blanking part to rotate to a horizontal state and causes a material pushing plate of the material pushing mechanism to move to the starting end of the blanking mesh screen; in the reciprocating downward-pressing motion stage, when the downward-pressing mechanism drives the upper crushing piece to perform downward-pressing motion, the downward-pressing mechanism can extrude and crush raw materials on a horizontal supporting blanking piece, and when the downward-pressing mechanism drives the upper crushing piece to perform upward reset motion, the downward-pressing mechanism can drive the one-way rotating mechanism to move so as to link a lower supporting plate in the supporting blanking piece to move; in the stage of the unidirectional ascending reset motion, the pressing mechanism drives the supporting blanking piece to rotate to an inclined state, so that a material pushing plate of the material pushing mechanism moves to the tail end of the blanking mesh screen and drives a mesh screen in the blanking mesh screen to shake;

the pressing mechanism comprises a first pressing element and a second pressing element, and the first pressing element and the second pressing element respectively comprise a pressing rack and a pressing rod; the driving element comprises a first motor, a first driving gear, an incomplete gear, a second driving gear and a driving rod; the output shaft end of the first motor is connected with an incomplete gear, the incomplete gear can be alternately meshed with a first driving gear and a second driving gear, and the first driving gear is meshed with a pressing rack; the upper end of the driving rod is eccentrically hinged with the rotating wheel, the rotating wheel is coaxial with the second driving gear, the lower end of the driving rod is hinged with the upper end of the lower pressing rod, and the lower end of the lower pressing rod extends out of the guide plate in a sliding fit manner and is fixed on the upper crushing piece; and the incomplete gear is meshed with the second driving gear once, and the second driving gear rotates for a plurality of circles;

the unidirectional rotating mechanism comprises a unidirectional rotating rod, a first elastic body, a movable rod, a second elastic body and a connecting arm; the rotating end of the unidirectional rotating rod is in rotating fit with one end of the connecting arm, and the other end of the connecting arm is linked with the supporting blanking part; the first elastic body is assembled to suspend the free end of the unidirectional rotating rod; a sliding groove is formed in the free end of the unidirectional rotating rod, the movable rod is in sliding fit with the sliding groove in the horizontal direction, the second elastic body is arranged between the movable rod and the free end of the unidirectional rotating rod, and the top surface of the contact end of the movable rod is an inclined surface; the second pressing element can drive the upper crushing member to be in contact with the inclined surface of the movable rod by pressing movement, and the movable rod slides along the sliding groove; the second pressing element moves upwards and returns to the original position until the upper crushing member is contacted with the bottom surface of the contact end of the movable rod, and the free end of the one-way rotating rod can be driven to rotate upwards to enable the lower supporting plate to move.

2. The crushing device of claim 1, wherein: the blanking device is characterized in that a transmission block is arranged at the pressing end of the first pressing element, the transmission block is hinged to the upper end of a blanking connecting rod, the lower end of the blanking connecting rod is hinged to the upper end of a blanking swing rod, and the lower end of the blanking swing rod is linked with the supporting blanking piece.

3. The crushing device of claim 2, wherein: the bottom of bottom suspension fagging is provided with first cam, first cam setting is in first cam pivot be provided with in the first cam pivot first drive pulley the rotation end of one-way dwang is provided with second drive pulley, the cover is equipped with driving belt between first drive pulley, the second drive pulley.

4. The crushing device of claim 2, wherein: the material pushing mechanism further comprises a screw rod, and the material pushing plate is in threaded fit with the screw rod; a first linkage belt pulley is arranged on the screw rod, a first gear is arranged at the rotating end for supporting the blanking part, the first gear is meshed with a second gear, the second gear is coaxial with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is coaxial with a second linkage belt pulley, and a linkage belt is sleeved between the first linkage belt pulley and the second linkage belt pulley; the blanking mesh screen also comprises a frame, the screen is suspended in the hollow area of the frame, a spring is arranged between the screen and the frame, and the top surface of the tail end of the frame is inclined downwards; the side part of the screen is connected with a fixed rod, the frame is provided with a through hole, and the fixed rod extends out of the through hole in a clearance fit manner to be connected with the frame; the side of frame is provided with the second cam, the second cam is coaxial with first connecting belt pulley be provided with the second on the lead screw and connect the belt pulley, first connecting belt pulley the cover is equipped with the connecting belt between the second connecting belt pulley.

5. A crushing device according to claim 3, characterized in that: the supporting blanking part also comprises a mounting frame, the middle of the mounting frame is hollowed out, guide holes are formed in the side faces of the mounting frame, the main body part of the lower supporting plate is arranged in the middle of the mounting frame in a hollowed-out mode, and the side edge of the lower supporting plate partially extends out of the corresponding guide hole; when the lower supporting plate is horizontal, the bottom surface of the part of the side edge of the lower supporting plate is contacted with the inner bottom surface of the guide hole;

the part of the side edge of the lower supporting plate can move up and down along the guide hole, a third cam rotating shaft is further in running fit with the mounting frame, a third cam and a first transmission bevel gear are fixed on the third cam rotating shaft, the transition rotating shaft is in running fit with the mounting frame, a second transmission bevel gear and a first transition belt pulley are fixed on the transition rotating shaft, a second transition belt pulley is fixed on the first cam rotating shaft, and the first transmission bevel gear and the second transmission bevel gear are meshed with each other; the third cam is contacted with a connecting frame connected to one side of the lower supporting plate; a transition belt is sleeved between the first transition belt pulley and the second transition belt pulley.

6. The crushing device of claim 2, wherein: the supporting blanking part is hinged with one end of a first supporting rod, the other end of the first supporting rod is hinged with one end of a second supporting rod, and the other end of the second supporting rod is in rotating fit with the blanking mesh screen through a supporting torsion spring rotating shaft;

or a support transmission block is also fixed on the lower pressing end of the lower pressing mechanism, the upper end of the first support transmission rod is hinged with the support transmission block, the lower end of the first support transmission rod is hinged with the upper end of the second support transmission rod, the middle section of the second support transmission rod is fixed on a support transmission rotating shaft, and the support transmission rotating shaft is in running fit with the crushing bin; when the support drop is horizontal, the top surface of the lower end of the second support transmission rod is in contact with the bottom surface of the free end of the support drop.

7. A raw material crushing and mixing device for processing a prestressed concrete pipe pile based on the crushing device of any one of claims 1-6, which comprises the crushing device and the mixing device in sequence from first to last according to the process; the method is characterized in that: the crushing device also comprises a transfer bin, and a blanking plate is rotationally matched at the lower end of the transfer bin; the mixing device comprises a stirring device and a raw material feeding device; the raw material feeding device comprises a raw material feeding bin, and a bin gate is rotationally matched with a discharge hole of the raw material feeding bin; when the blanking plate rotates to incline, the bin door can be opened, and the raw materials in the blanking plate and the raw materials in the raw material feeding bin simultaneously fall into the stirring device; when the blanking plate rotates to be horizontal to stack the raw materials falling from the meshes of the screen, the bin door can be closed.

8. The crushing and mixing device of raw materials for processing the prestressed concrete pipe pile according to claim 7, characterized in that: the rotating end of the bin gate is provided with a swing rod, a wire slot is formed in the swing rod, a roller is inserted into the wire slot and connected to one end of the swing rod, a first rotating belt pulley is arranged at the other end of the swing rod, a second rotating belt pulley is arranged at the rotating end of the blanking plate, and a rotating belt is sleeved between the first rotating belt pulley and the second rotating belt pulley.

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