CN109878125B - Press convenient to change pressure supply component - Google Patents
Press convenient to change pressure supply component Download PDFInfo
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- CN109878125B CN109878125B CN201910038301.6A CN201910038301A CN109878125B CN 109878125 B CN109878125 B CN 109878125B CN 201910038301 A CN201910038301 A CN 201910038301A CN 109878125 B CN109878125 B CN 109878125B
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- 238000003825 pressing Methods 0.000 claims description 37
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- 238000000034 method Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
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- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a press machine convenient for replacing a pressure supply element, which comprises a base, a fixed frame, a pressure device and a frame holder, wherein the fixed frame consists of two vertical frames vertically arranged on the base and a top plate horizontally arranged at the upper parts of the two vertical frames; the pressure supply element of the invention does not need to be fixedly arranged on the pressure plate through the mounting hole of the base of the pressure supply element by using a bolt, the pressure supply element is only required to be placed in the middle of the upper end surface of the pressure plate, then the four fixing blocks are arranged on the four threaded through holes on the outer side of the periphery of the bottom of the pressure supply element by using the bolt, the fixing blocks are rotated to be in close contact with the bottom of the pressure supply element, then the bolt for mounting the fixing blocks is screwed down, the bottom of the pressure supply element can be fixed, and different pressure supply elements can be conveniently replaced.
Description
Technical Field
The invention relates to the field of press machines, in particular to a press machine convenient for replacing a pressure supply element.
Background
The screw extruder is a common plastic extruding machine and has the advantages of high production efficiency, strong adaptability, wide application and the like. The tail end of a screw rod of a screw extruder is usually arranged at one end of a main shaft of a gear box of the extruder, the screw rod can bear the reaction force of materials to be extruded during extrusion work and can simultaneously bear the action of axial force and radial force, so that the main shaft for installing the screw rod can also simultaneously bear the action of the axial force and the radial force, one end of the main shaft for installing the screw rod, which is close to the installation screw rod, is usually provided with a thrust roller bearing, the thrust roller bearing is the most vulnerable part in the gear box of the extruder, the damage mode mainly comprises that a retainer for installing a roller is damaged and an inner ring which is matched and connected with the main shaft of the gear box is damaged, the damage of an inner ring of the thrust roller bearing is usually the damage of the outer end of the inner ring, the inner ring which is matched with the main shaft is still tightly hooped on the main shaft, the inner ring needs to be taken down from the main shaft at the moment, and the common maintenance method is to use a press bed for maintenance, the entire main shaft is supported at both ends of the lower end of the inner race of the thrust roller bearing using the support members of the press machine, and then the main shaft and the inner race of the thrust roller bearing are separated by applying downward pressure to the top end of the main shaft using the pressure supply member of the press machine.
The pressure supply element of the press machine can be a hydraulic cylinder, an air cylinder, an electric cylinder or a hydraulic jack, and a corresponding hydraulic system and an air pressure system are required to be configured when the hydraulic cylinder and the air cylinder are selected, so that the power structure of the screw extruder gearbox bearing repairing device is complex, the manufacturing cost is high, and the subsequent maintenance difficulty and cost of the press machine are increased. The press machine using the electric cylinder has low labor intensity and high working efficiency, but the thrust which can be provided by the press machine is generally below 35 tons, the price of the press machine is obviously improved when the thrust exceeds 35 tons, but the thrust of 35 tons cannot meet the maintenance requirements of some large-scale extruders; the press machine using the hydraulic jack has high labor intensity and low working efficiency, but the hydraulic jack has low price and can be used in a power failure state. An effective solution is to use the electric cylinder as the pressure supply element of the press machine when the required pressure is lower, the required pressure is higher than the maximum thrust of the electric cylinder or when power failure occurs, the hydraulic jack is used to replace the electric cylinder for use, but the pressure supply element of the existing press machine is to fixedly place the base on the supporting structure, the shapes and sizes of the bases of different pressure supply elements are different, the positions of the mounting holes are different, the mounting holes cannot be preset, great difficulty is brought to the replacement of the pressure supply element, and the pressure supply element is higher in position and also difficult to replace.
Disclosure of Invention
The invention aims to provide a press machine which is convenient for replacing a pressure supply element, and can conveniently replace and fix the pressure supply element.
The invention is realized by the following steps: a press machine convenient for replacing a pressure supply element comprises a base, a fixing frame, a pressure device and a frame holder, wherein the fixing frame consists of two vertical frames vertically arranged on the base and a top plate horizontally arranged at the upper parts of the two vertical frames, the cross section of each vertical frame is n-shaped, and openings of the two vertical frames are oppositely arranged; the pressure device comprises a pressure plate and a pressure supply element, wherein two ends of the pressure plate extend into openings of two vertical frames, the pressure plate can move up and down along the vertical frames through the two ends of the pressure plate, two groups of threaded through holes are formed in the upper end surface of the pressure plate, one group of threaded through holes are formed in the length direction of the pressure plate and are arranged in the middle of the upper end surface of the pressure plate, and the distance between any two adjacent threaded through holes in the group is the same; the other group of the threaded through holes is arranged along the width direction of the pressing plate and is arranged in the middle of the upper end surface of the pressing plate, and the distance between any two adjacent threaded through holes in the group is the same; the upper end surface of the pressure plate is provided with an elliptic cylindrical fixed block for fixing a pressure supply element base, the fixed block is provided with four circular through holes for the rod part of a bolt to pass through, two fixed blocks are connected to two threaded through holes arranged along the length direction of the pressure plate through bolts, and the other two fixed blocks are fixedly connected to two threaded through holes arranged along the width direction of the pressure plate through bolts; the farthest distance between the circle center of the circular through hole on the cross section of the fixed block and the outer contour of the cross section is not less than the sum of the shortest distance between the circle center and the outer contour of the cross section and a, wherein a is the center distance between any two adjacent threaded through holes of the threaded through hole group in which the threaded through hole of the fixed block is arranged; the frame holder is arranged on the base and used for supporting the component to be maintained at a certain height.
Furthermore, the upper ends of the two vertical frames are respectively provided with an n-shaped frame, the opening directions of the n-shaped frames and the vertical frames are opposite, and the n-shaped frames and the upper ends of the vertical frames are respectively and vertically provided with a pulley to form a pulley block; two ends of the pressing plate are respectively connected with a pull rope, the other ends of the two pull ropes respectively penetrate through two pulleys of a pulley block and then are connected with a weight device, and the weight device is adjustable in quality.
Furthermore, the top plate is supported on the vertical frame through a rib plate, the number of the rib plates is four, two rib plates are symmetrically arranged at two ends of the top plate respectively, each rib plate consists of a vertical section and an inclined section connected with the vertical section, the vertical section of each rib plate is connected to the vertical frame through a bolt, the upper end of the vertical section of each rib plate is supported on the lower end face of the top plate, one end of the inclined section of each rib plate is connected with the lower part of the vertical section of each rib plate, the other end of the inclined section of each rib plate is connected with the lower end face of the top plate, and the connected position of the inclined section of each rib plate is close to the middle part of the lower end face of the top plate; the upper ends of the two ends of the top plate are provided with check blocks, the lower ends of the check blocks are tightly connected with the upper end of the top plate, and the check blocks are installed on the vertical frame through bolts and are in one-to-one correspondence with the vertical sections of the rib plates.
Further, the pressure supply element can be selected from a hydraulic cylinder, an air cylinder, an electric cylinder or a hydraulic jack.
Furthermore, the weight device comprises a weight block, the weight block is of a rectangular structure, a plurality of horizontally arranged rectangular through holes are formed in the weight block in the vertical direction, the through holes are different in size, threaded through holes communicated with the through holes in a one-to-one correspondence mode are formed in the weight block, and fastening bolts are arranged on the threaded through holes.
Furthermore, a first T-shaped groove is formed in the lower end face of the pressing plate along the length direction of the pressing plate, a first T-shaped sliding block is arranged in the first T-shaped groove and can freely slide in the first T-shaped groove, a vertically arranged shaft-shaped part is fixedly connected to the lower end face of the first T-shaped sliding block, a conical concave hole is formed in the lower end face of the shaft-shaped part, and the area of the cross section of the upper end of the conical concave hole is smaller than that of the cross section of the lower end of the conical concave hole; a groove leading to one end of the first T-shaped groove from the side edge of the pressing plate is formed in the lower end face of the pressing plate and used for installing and disassembling the first T-shaped sliding block.
Furthermore, the support frame comprises a rear support frame, a front support frame and two support plates arranged at the upper ends of the rear support frame and the front support frame, the rear support frame and the front support frame are respectively arranged at two sides of the fixing frame, the rear support frame consists of a plurality of rear vertical support rods vertically arranged on the base and a rear support plate arranged at the upper ends of the plurality of rear vertical support rods, the front support frame comprises two front vertical support rods, the two front vertical support rods are respectively arranged at two ends of the base, the upper ends of the two front vertical support rods are respectively and fixedly connected with a hinge frame, and each hinge frame is hinged with one front support plate; a second T-shaped groove is formed in the upper end face, located between the two front vertical support rods, of the base, a second T-shaped sliding block is arranged in the second T-shaped groove and can freely slide in the second T-shaped groove, a sliding support rod is vertically arranged at the upper end of the second T-shaped sliding block, the free ends of the two front support plates can be simultaneously arranged at the upper end of the sliding support rod, the upper end faces of the rear support plate and the front support plate are located on the same horizontal plane, a groove leading to the second T-shaped groove from the side edge of the base is formed in the upper end face of the base, and the groove is used for mounting and dismounting the second T-shaped sliding block; the upper end face of the rear supporting plate is provided with a long strip-shaped groove, a connecting sliding block is arranged in the long strip-shaped groove, the connecting sliding block is cylindrical, the diameter of the connecting sliding block is the same as the width of the long strip-shaped groove, and the upper end of the connecting sliding block is fixedly connected with one end of the supporting plate.
Furthermore, a pulling box with an opening at the upper end is arranged on the base, at least two wheels are respectively arranged on two sides of the pulling box, a group of mutually parallel slideways are arranged on the base, the wheels are arranged in the slideways, and the pulling box can pass through between the two front vertical supporting rods; the damping structure is arranged in the pulling box and comprises springs and a lifting plate, a plurality of spring placing grooves are formed in the upper end face of the bottom wall of the pulling box, the springs are placed in the spring placing grooves in a one-to-one correspondence mode, the lifting plate is placed on the springs, a rubber layer is arranged on the upper end face of the lifting plate, and a rubber layer is arranged on the inner side face of the wall of the pulling box.
Furthermore, one side of the pulling box close to the front support frame is not provided with a box body wall, one end of each box body side wall of the pulling box adjacent to the side close to the side is vertically provided with a slot, a plug board is arranged in each slot, a handle is arranged on the outer side face of each plug board, and a rubber layer is arranged on the inner side face of each plug board.
Further, the lifting device comprises a Z-shaped plate and lifting equipment; draw and get the vertical rectangle breach that is provided with on two lateral walls of case installation wheel, the rectangle breach extends to the below of lifter plate from the top of drawing the case tank wall, the width of Z-shaped board slightly is less than the width of rectangle breach, the up end of the horizontal portion of Z-shaped board lower extreme links to each other with the lower terminal surface of lifter plate, the horizontal portion in upper end of Z-shaped board passes the rectangle breach and stretches out to the outside of drawing the case, and when drawing the case propelling movement to the most inner end the horizontal position in the top of lifting means lift end in Z-shaped board upper end.
Compared with the prior art, the invention has the beneficial effects that:
1. the pressure supply element of the invention does not need to use bolts to fixedly install the pressure supply element on the pressure plate through the installation holes of the base, the pressure supply element is only needed to be placed in the middle of the upper end surface of the pressure plate, then the four fixing blocks are installed on the four threaded through holes on the outer side of the periphery of the bottom of the pressure supply element through the bolts, the fixing blocks are rotated to enable the fixing blocks to be tightly contacted with the bottom of the pressure supply element, and then the bolts for installing the fixing blocks are screwed down to fix the bottom of the pressure supply element, so that the invention can conveniently replace different pressure supply elements and realize the fixation of the pressure supply element.
2. The invention is provided with a pulley block, two ends of a pressure plate are respectively connected with a pull rope, the other ends of the two pull ropes respectively penetrate through two pulleys of the pulley block and then are connected with a weight device, and the weight device has adjustable quality; the weight device can pull up or down the pressure plate and the pressure supply member provided on the upper end surface thereof by adjusting the weight of the weight device. The weight of the weight device can be adjusted to be less than the total weight of the pressure plate and the pressure supply element arranged on the upper end surface of the pressure plate, and the pressure plate can be put down to fall on the frame, so that the position of the pressure supply element is reduced, and the pressure supply element is convenient to replace.
3. The invention is provided with the base, the fixing frame, the pressure device, the frame holding frame, the lifting device and the pulling box, and can be used for maintaining the faults of damage of the bearing of the gear box of the extruder and fracture of the screw rod, and hard beating is not needed in the maintenance process, so that the labor intensity and the maintenance time of maintenance are reduced, and the labor cost required by maintenance is saved; in the maintenance process, undamaged parts on the maintained parts can not be damaged, and the sleeve connected with the broken screw can be recycled, so that the waste of materials is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of a press machine of the present invention for facilitating replacement of a pressure supply member;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a front view of a press machine of the present invention facilitating replacement of a pressure supply member;
FIG. 4 is a perspective view of a weight block of the press machine for facilitating replacement of a pressure supply member according to the present invention;
FIG. 5 is a perspective view of a press machine for facilitating replacement of a pressure supply unit according to the present invention, in which the pressure supply unit is fixed to a pressing plate by a fixing block;
FIG. 6 is a top plan view of a platen of a press machine for facilitating replacement of a pressure supply member in accordance with the present invention;
FIG. 7 is a sectional view taken along line B-B of FIG. 6;
FIG. 8 is a front view of a press machine of the invention with a platen mounted with a shaft for facilitating replacement of a pressure supply member;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
FIG. 10 is a schematic view showing a coupling structure between a second T-shaped slider, a second T-shaped groove and a sliding support bar of the press machine for facilitating replacement of a pressure supply member according to the present invention;
FIG. 11 is a perspective view of the connection of the rear support plate and the holder plate of the press machine for facilitating the replacement of the pressure supply unit according to the present invention;
FIG. 12 is a perspective view showing the connection of a holder plate and a connecting block of a press machine for facilitating the replacement of a pressure supplying member according to the present invention;
FIG. 13 is a perspective view of the interconnection between the drawer box, the lifting device and the base of a press machine for facilitating the replacement of the pressure supply member in accordance with the present invention;
FIG. 14 is a front elevational view of the interconnection between the drawer box, the lifting device and the base of a press machine for facilitating the replacement of the pressure supply member in accordance with the present invention;
FIG. 15 is a side view of the interconnection between the drawer box, the lifting device and the base of a press machine for facilitating the replacement of the pressure supply member in accordance with the present invention;
FIG. 16 is a perspective view of a lifter plate provided in a drawer box of a press machine for facilitating replacement of a pressure supply member according to the present invention;
fig. 17 is a front view of a drawing box of a press machine for facilitating replacement of a pressure supply member according to the present invention, in which a lift plate is provided.
In the figure: 1-base, 101-second T-shaped groove, 102-slideway, 2-fixing frame, 201-vertical frame, 202-top plate, 3-pressure device, 301-pressure plate, 302-pressure supply element, 303-threaded through hole, 304-fixing block, 305-first T-shaped groove, 306-first T-shaped sliding block, 411-rear vertical supporting rod, 412-rear supporting plate, 421-front vertical supporting rod, 422-hinged frame, 423-front supporting plate, 424-second T-shaped sliding block, 425-sliding supporting rod, 430-frame supporting plate, 440-connecting sliding block, 5-lifting device, 6-pulling box, 601-slot, 7-wheel, 8-rib plate, 9-stop block, 10-pulley, 11-pull rope, 12-shaft-shaped element, 1201-conical concave hole, 13-heavy object block, 1301-through hole, 1302-fastening bolt, 14-spring, 15-lifting plate, 16-inserting plate, 17-handle, 18-Z-shaped plate, 19-lifting equipment and 20-n-shaped frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, 2, 5 and 6, a press machine convenient for replacing a pressure supply element comprises a base 1, a fixed frame 2, a pressure device 3 and a holding frame, wherein the fixed frame 2 consists of two vertical frames 201 vertically arranged on the base 1 and a top plate 202 horizontally arranged at the upper parts of the two vertical frames 201, the cross section of each vertical frame 201 is n-shaped, and the openings of the two vertical frames 201 are oppositely arranged; the pressure device 3 comprises a pressure plate 301 and a pressure supply element 302, two ends of the pressure plate 301 extend into the openings of the two stands 201, and the pressure plate 301 can move up and down along the stands 201 through the two ends; two groups of threaded through holes 303 are formed in the upper end face of the pressing plate 301, one group of threaded through holes 303 are arranged along the length direction of the pressing plate 301 and are arranged in the middle of the upper end face of the pressing plate 301, and the distance between any two adjacent threaded through holes 303 in the group is the same; the other group of threaded through holes 303 is arranged along the width direction of the pressing plate 301 and is arranged in the middle of the upper end surface of the pressing plate 301, and the distance between any two adjacent threaded through holes 303 in the group is the same; an elliptic cylindrical fixing block 304 for fixing a base of the pressure supply element 302 is arranged on the upper end surface of the pressure plate 301, a circular through hole for a rod part of a bolt to pass through is arranged on the fixing block 304, four fixing blocks 304 are arranged, two fixing blocks 304 are connected on two threaded through holes 303 arranged along the length direction of the pressure plate 301 through bolts, and the other two fixing blocks 304 are fixedly connected on two threaded through holes 303 arranged along the width direction of the pressure plate 301 through bolts; the farthest distance between the center of the circular through hole on the cross section of the fixed block 304 and the outer contour of the cross section is not less than the sum of the shortest distance between the center of the circular through hole and the outer contour of the cross section and a, wherein a is the center distance between any two adjacent threaded through holes 303 of the threaded through hole group in which the threaded through holes 303 of the fixed block 304 are installed, so that no matter the shape of the bottom of the pressure supply element 302 is rectangular, circular or elliptical, as long as the size value of the bottom of the pressure supply element is within a certain range, the bottom of the pressure supply element 302 can be tightly contacted with the bottom of the pressure supply element 302 by installing four fixed blocks 304 on the appropriate four threaded through holes 303, then rotating the fixed block 304 by taking the bolt rod part of the fixed block 304 as an axis, and then screwing the bolt for installing the fixed block 304; the holder is provided on the base 1, and the holder is used for supporting a component to be repaired at a certain height.
The working principle of the invention is as follows: the pressure supply component 302 of the present invention does not need to use bolts to fixedly mount the pressure supply component 302 on the pressure plate 301 through the mounting holes of the base thereof, but only needs to place the pressure supply component 302 in the middle of the upper end surface of the pressure plate 301, then mount the four fixing blocks 304 on the four threaded through holes 303 outside the periphery of the bottom of the pressure supply component 302 through the bolts, rotate the fixing blocks 304 to make the fixing blocks 304 closely contact with the bottom of the pressure supply component 302, and then tighten the bolts mounting the fixing blocks 304 to fix the bottom of the pressure supply component 302, so the present invention can conveniently replace different pressure supply components 302 and realize the fixation of the pressure supply component 302.
As shown in fig. 1, 2 and 3, the upper ends of two vertical frames 201 are respectively provided with an n-shaped frame 20, the opening directions of the n-shaped frame 20 and the vertical frames 201 are opposite, and the n-shaped frame 20 and the upper ends of the vertical frames 201 are respectively vertically provided with a pulley 10 to form a pulley block; two ends of the pressing plate 301 are respectively connected with a pull rope 11, the other ends of the two pull ropes 11 respectively penetrate through two pulleys 10 of a pulley block and then are connected with a weight device, and the weight device is adjustable in quality; the weight means can be made to pull up or down the pressing plate 301 and the pressure supply member 302 provided on the upper end surface thereof by adjusting the weight of the weight means. If the weight of the weight device can be adjusted to be less than the total weight of the pressure plate 301 and the pressure supply member 302 disposed on the upper end surface thereof, the pressure plate 301 can be lowered to fall on the holding frame, thereby lowering the position of the pressure supply member 302 and facilitating replacement of the pressure supply member 302.
The weight of the weight means can also be adjusted to be larger than the total weight of the pressing plate 301 and the pressure supply member 302 provided on the upper end surface thereof, and at this time, the weight means pulls up the pressure means 3 so that the extension rod of the electric cylinder or the hydraulic jack abuts against the top plate 202. When the electric cylinder or the hydraulic jack is used for providing pressure, the extension rod of the electric cylinder or the hydraulic jack supports against the top plate 202, and along with continuous extension of the output rod of the electric cylinder or the hydraulic jack, the base of the electric cylinder or the hydraulic jack applies downward pressure to the pressing plate 301 to drive the pressing plate 301 to move downwards and simultaneously drive the weight device to move upwards, and the pressing plate 301 drives the shaft-shaped part 12 to press downwards to complete the maintenance task of dismantling the damaged bearing and the damaged screw rod. After the pressing is finished, if the electric cylinder is used, the extension rod of the electric cylinder retracts through the controller of the electric cylinder, meanwhile, the weight device automatically lifts the pressing plate 301 upwards through the pull rope 11 and the pulley 10, so that the top end of the output rod of the electric cylinder is always propped against the top plate 202, and a maintenance space is automatically reserved for the next maintenance; if the hydraulic jack is used, an oil return valve of the hydraulic jack is opened, the press plate 301 is automatically lifted upwards by the weight device through the pull rope 11 and the pulley 10, an extension rod of the hydraulic jack is pressed back, the press plate 301 is automatically lifted to the initial pressing position, and a maintenance space is automatically reserved for next maintenance.
As shown in fig. 1, 2 and 3, the top plate 202 is supported on the vertical frame 201 through the rib plates 8, four rib plates 8 are provided, two rib plates 8 are symmetrically provided at two ends of the top plate 202, each rib plate 8 is composed of a vertical section and an inclined section connected with the vertical section, the vertical section of each rib plate 8 is connected on the vertical frame 201 through a bolt, the upper end of the vertical section of each rib plate 8 is supported on the lower end surface of the top plate 202, one end of the inclined section of each rib plate 8 is connected with the lower part of the vertical section, the other end of the inclined section of each rib plate 8 is connected with the lower end surface of the top plate 202, and the connected position is close to the middle part of the lower end surface of the top plate 202; the upper ends of the two ends of the top plate 202 are provided with the stop blocks 9, the lower ends of the stop blocks 9 are tightly connected with the upper end of the top plate 202, and the stop blocks 9 are installed on the vertical frame 201 through bolts and are in one-to-one correspondence with the vertical sections of the rib plates 8; the top plate 202 is supported on the upper portion of the upright frame 201 through the four rib plates 8 and the four stop blocks 9, and does not need to be welded with the upright frame 201, the rib plates 8 and the stop blocks 9 are connected to the upright frame 201 through bolts, so that the height of the top plate 202 on the upright frame 201 can be adjusted according to actual use requirements, and meanwhile, the top plate 202 can be conveniently detached on the upright frame 201.
As shown in fig. 4, the weight device includes a weight block 13, the weight block 13 is a rectangular parallelepiped structure, a plurality of rectangular parallelepiped through holes 1301 horizontally arranged are arranged on the weight block 13 along the vertical direction, the volumes of the through holes 1301 are different from each other, threaded through holes communicated with the through holes 1301 in a one-to-one correspondence manner are arranged on the weight block 13, fastening bolts 1302 are arranged on the threaded through holes, and the weight device can be used for increasing or decreasing the mass of the weight device by placing iron blocks into the through holes 1301 or taking away the iron blocks placed into the through holes 1301, so that the weight device is suitable for electric cylinders or hydraulic jacks with different weights; if the weight of the weight device is too large, more energy is consumed in the using process of the electric cylinder or the hydraulic jack; if the weight of the weight device is too small, the weight device cannot lift the pressure device 3, the top end of the extension rod of the electric cylinder or the hydraulic jack cannot abut against the top plate 202, and the electric cylinder or the hydraulic jack does not function. The through holes 1301 with different volumes are suitable for placing iron blocks with different volumes, so that the mass of the weight device can be more finely adjusted; the bearing of the gear box is maintained for a long time, the surface of an iron block which can inevitably increase the weight of the heavy device is stained with some lubricating oil, and the iron block can be prevented from falling out of the through hole 1301 to injure maintenance personnel through the action of the fastening bolt 1302.
As shown in fig. 6, 7, 8 and 9, a first T-shaped groove 305 is arranged on the lower end surface of the pressing plate 301 along the length direction of the pressing plate 301, a first T-shaped slider 306 is arranged in the first T-shaped groove 305, the first T-shaped slider 306 can freely slide in the first T-shaped groove 305, a vertically arranged shaft-shaped member 12 is fixedly connected to the lower end surface of the first T-shaped slider 306, a conical recessed hole 1201 is arranged on the lower end surface of the shaft-shaped member 12, and the area of the cross section of the upper end of the conical recessed hole 1201 is smaller than that of the cross section of the lower end; after the screw rod of the extruder is broken, the broken screw rod needs to be taken out, due to the adhesion effect of solidified plastics, a wear-resistant sleeve lined in a machine barrel is usually taken out when the screw rod is taken out, the sleeve still has use value, serious material waste can be caused by directly taking the screw rod as a waste material along with the screw rod, the screw rod needs to be extruded out of the sleeve, when the screw rod is maintained by using the device, the broken end of the screw rod has various broken shapes and is not suitable for being used as a pressed end, the tip of the screw rod is used as the pressed end, and the tip of the screw rod can be extended into the conical concave hole 1201, so that the pressure applied to the screw rod by the pressure device 3 is uniform, and the pressure deviation is avoided; the lower end face of the pressing plate 301 is provided with a groove leading to one end of the first T-shaped groove 305 from the side edge of the pressing plate 301, the groove is used for installing and disassembling the first T-shaped sliding block 306, when different gear boxes and different screws are damaged, the distance between the pressed end of the damaged part and the pressing plate 301 is different after the damaged part is erected on the frame, in order to effectively use the stroke of the pressure supply element 302, the closer the distance between the lower end of the shaft-shaped part 12 and the pressed end of the required maintenance part is, the better the distance is, the shaft-shaped part 12 and the first T-shaped sliding block 306 with different heights can be manufactured in series, and the selection can be carried out as required.
As shown in fig. 1, 3, 10, 11 and 12, the supporting frame includes a rear supporting frame, a front supporting frame and two supporting plates 430 arranged at the upper ends of the rear supporting frame and the front supporting frame, the rear supporting frame and the front supporting frame are respectively arranged at both sides of the fixed frame 2, the rear supporting frame is composed of a plurality of rear vertical supporting rods 411 vertically arranged on the base 1 and a rear supporting plate 412 arranged at the upper ends of the plurality of rear vertical supporting rods 411, the front supporting frame includes two front vertical supporting rods 421, the two front vertical supporting rods 421 are respectively arranged at both ends of the base 1, the upper ends of the two front vertical supporting rods 421 are respectively fixedly connected with a hinge frame 422, and each hinge frame 422 is hinged with a front supporting plate 423; a second T-shaped groove 101 is arranged on the upper end surface of the base 1 between the two front vertical support rods 421, a second T-shaped sliding block 424 is arranged in the second T-shaped groove 101, the second T-shaped sliding block 424 can slide freely in the second T-shaped groove 101, a sliding support rod 425 is vertically arranged at the upper end of the second T-shaped sliding block 424, the free ends of the two front support plates 423 can be arranged at the upper end of the sliding support rod 425 at the same time, and at the moment, the upper end surfaces of the rear support plate 412 and the front support plates 423 are positioned on the same horizontal plane, a groove leading from the side edge of the base 1 to the second T-shaped groove 101 is arranged on the upper end surface of the base 1 and used for installing and dismantling the second T-shaped sliding block 424, an elongated groove 413 is arranged on the upper end surface of the rear support plate 412, a connecting sliding block 440 is arranged in the elongated groove 413, the connecting sliding block 440 is cylindrical, and has the same diameter as the width of the elongated groove 413, the upper end of the connecting slide block 440 is fixedly connected with one end of the frame holding plate 430; the relative positions of the two supporting plates 430 are changed, so that the supporting plates 430 can be used for supporting parts which are different in size and need to be maintained, the supporting plates 430 can rotate by taking the cylindrical connecting sliding blocks 440 as shafts, different included angles are formed, and the supporting range is wider.
As shown in fig. 1, 13, 14, 15 and 17, a pulling box 6 with an opening at the upper end is arranged on a base 1, at least two wheels 7 are respectively arranged on two sides of the pulling box 6, a group of mutually parallel slideways 102 are arranged on the base 1, the wheels 7 are arranged in the slideways 102, and the pulling box 6 can pass between two front vertical support rods 421; when the pulling box 6 is taken out, the two front support plates 423 are rotated to the vertical position through the hinge bracket 422, the sliding support rod 425 is communicated with the second T-shaped slide block 424 and taken out from the second T-shaped groove 101, and then the pulling box 6 can be pulled out. Draw and get and be provided with shock-absorbing structure in the case 6, shock-absorbing structure includes spring 14 and lifter plate 15, draws to be provided with a plurality of spring standing grooves on the up end of getting case 6 diapire, and spring 14 places in the spring standing groove one-to-one, and lifter plate 15 places on spring 14, is provided with the rubber layer on the up end of lifter plate 15, draws to be provided with the rubber layer on the medial surface of getting case 6 tank wall. When the damage fault of the bearing of the gear box of the extruder is maintained, the shaft provided with the damaged bearing falls on the lifting plate 15 after the maintenance is finished, and the shaft can be protected under the action of the spring 14 and the rubber layer on the upper end surface of the lifting plate 15, so that the shaft end is prevented from being damaged when contacting a hard object; the shaft falls down and is toppled, and the rubber layer arranged on the inner side surface of the wall of the pulling box 6 can protect the author, so that the shaft and parts on the shaft can be prevented from being damaged.
As shown in fig. 1, 13 and 16, one side of the pulling box 6 close to the front support frame is not provided with a box body wall, one end of each of two box body side walls of the pulling box 6 adjacent to the side is vertically provided with a slot 601, an insert plate 16 is arranged in each slot 601, the outer side surface of each insert plate 16 is provided with a handle 17, the pulling box 6 can be pulled out or pushed back through the handle 17 and the insert plate 16 can be taken out or inserted back, the inner side surface of each insert plate 16 is provided with a rubber layer, and the rubber layer has the same function as the rubber layer arranged on the inner side surface of the box wall of the pulling box 6; after the pulling box 6 is pulled out, the inserting plate 16 is taken down, the part needing to be maintained is lifted and placed on the lifting plate 15, and the part needing to be maintained does not need to be lifted over the top end of the pulling box 6 or the inserting plate 16 and then placed on the lifting plate 15, so that the labor intensity is reduced, and the maintenance is safer.
As shown in fig. 1, 12, 14, 15 and 16, the present invention further includes a lifting device 5, wherein the lifting device 5 includes a Z-shaped plate 18 and a lifting device 19, and the lifting device 19 can be a hydraulic cylinder, an air cylinder, an electric cylinder or a jack; rectangular notches 602 are vertically arranged on two side walls of the mounting wheels 7 of the pulling box 6, the rectangular notches 602 extend to the lower part of the lifting plate 15 from the top end of the box wall of the pulling box 6, the width of the Z-shaped plate 18 is slightly smaller than that of the rectangular notches 602, the upper end face of the lower end transverse part of the Z-shaped plate 18 is connected with the lower end face of the lifting plate 15, the upper end transverse part of the Z-shaped plate 18 penetrates through the rectangular notches 602 to extend to the outside of the pulling box 6, and when the pulling box 6 is pushed to the innermost end, the upper end transverse part of the Z-shaped plate 18 is located above the lifting end of the lifting equipment 19, the Z-shaped plate 18 can be jacked up through the lifting equipment 19, and jacked up together with the lifting plate 15 and parts to be maintained placed on the lifting plate 15, and the parts to be maintained can be erected on the two erecting and holding plates 430 conveniently in a labor-saving mode.
The method for repairing the bearing damage fault on the main shaft of the gear box of the screw extruder comprises the following steps: the two front supporting plates 423 are rotated to vertical positions through the hinged frame 422, the sliding supporting rod 425 is communicated with the second T-shaped sliding block 424 and taken out of the second T-shaped groove 101, then the pulling box 6 is pulled out, the inserting plate 16 is taken down, the spindle with damaged thrust roller bearings is placed on the lifting plate 15 in the pulling box 6, the inserting plate 16 is inserted back, and then the pulling box 6 is pushed back to the lower part of the pressure device 3, and the pulling box 6 is provided with wheels, so that the pulling box 6 can still be pushed back to the lower part of the pressure device 3 in a labor-saving manner even if the spindle and the parts such as the gears and the like arranged on the spindle are high in quality; installing a second T-shaped sliding block 424 and a sliding supporting rod 425, laying two front supporting plates 423, separating two clamping plates 430 by a distance of one end which is large enough, then jacking up a Z-shaped plate 18 through a lifting device 19 of a lifting device 5, jacking up the lifting plate 15 and a part which is placed on the lifting plate 15 and needs to be maintained, generally dismantling a gear on a main shaft, stopping continuous extension of an extension rod of the lifting device 19 when the lower end surface of the gear is higher than the upper end surface of the frame supporting plate 430, moving the two frame supporting plates 430 to the positions below two ends of the gear, then withdrawing the extension rod of the lifting device 19, and erecting the main shaft through the gear by the frame supporting plate 430; replacing the first T-shaped slide block 306 with the shaft 12 of the appropriate height, making the shaft 12 face the spindle, the outer diameter of the shaft 12 should be smaller than the diameter of the upper end of the spindle, starting the pressure supply element 302, driving the shaft 12 to press down the upper end of the spindle, the spindle finally falls on the lifting plate 15 under the action of the pressure supply element 302, then taking off the gear, separating the two clamping plates 430 by a distance of one end large enough, lifting the lifting plate 15 again, stopping the continued extension of the extension bar of the lifting device 19 when the lower end surface of the inner ring of the damaged bearing is higher than the upper end surface of the holding plate 430, moving the two holding plates 430 to below the two ends of the inner ring of the damaged bearing, and removing the inner ring of the damaged bearing using the same procedure as gear removal.
The method for maintaining the screw fracture fault of the screw extruder comprises the following steps: when a broken screw is detached from a sleeve connected with the screw through solidified plastic, the tip end of the screw is upward, two support plates 430 are used for supporting two ends of the lower end of the sleeve respectively, then the shaft-shaped part 12 is slowly pressed downwards, meanwhile, the first T-shaped sliding block 306 slides in a proper amount, the conical concave hole 1201 is uniformly sleeved outside the tip end of the screw, then the screw is continuously pressed downwards, the broken screw is pressed out from the sleeve, the solidified plastic can be taken out due to the action of the spiral part on the outer wall of the screw when the screw is pressed out, and the sleeve can be installed into an extruder for continuous use.
In conclusion, the invention can be used for maintaining the faults of the damage of the bearing of the gearbox of the extruder and the breakage of the screw, and the hard beating is not needed in the maintenance process, thereby reducing the labor intensity and the maintenance time of the maintenance and saving the labor cost required by the maintenance; in the maintenance process, undamaged parts on the maintained parts can not be damaged, and the sleeve connected with the broken screw can be recycled, so that the waste of materials is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A press machine convenient for replacing a pressure supply element comprises a base (1), a fixing frame (2) and a pressure device (3), and is characterized in that: the fixing frame (2) is composed of two vertical frames (201) vertically arranged on the base (1) and a top plate (202) horizontally arranged at the upper parts of the two vertical frames (201), the cross section of each vertical frame (201) is n-shaped, and the openings of the two vertical frames (201) are oppositely arranged; the pressure device (3) comprises a pressure plate (301) and a pressure supply element (302), two ends of the pressure plate (301) extend into the openings of the two stand frames (201), and the pressure plate (301) can move up and down along the stand frames (201) through the two ends; two groups of threaded through holes (303) are formed in the upper end face of the pressing plate (301), one group of threaded through holes (303) are formed along the length direction of the pressing plate (301) and are arranged in the middle of the upper end face of the pressing plate (301), and the distance between any two adjacent threaded through holes (303) in the group is the same; the other group of the threaded through holes (303) is arranged along the width direction of the pressing plate (301) and is arranged in the middle of the upper end surface of the pressing plate (301), and the distance between any two adjacent threaded through holes (303) in the group is the same; the upper end face of the pressure plate (301) is provided with an elliptic cylindrical fixing block (304) for fixing a base of a pressure supply element (302), the fixing block (304) is provided with a circular through hole for a rod part of a bolt to pass through, the fixing blocks (304) are provided with four fixing blocks, two fixing blocks (304) are connected to two threaded through holes (303) arranged along the length direction of the pressure plate (301) through bolts, and the other two fixing blocks (304) are fixedly connected to two threaded through holes (303) arranged along the width direction of the pressure plate (301) through bolts; the farthest distance between the circle center of the circular through hole on the cross section of the fixed block (304) and the outer contour of the cross section is not less than the sum of the shortest distance between the circle center and the outer contour of the cross section and a, wherein a is the center distance between any two adjacent threaded through holes (303) of the threaded through hole group in which the threaded through hole (303) for mounting the fixed block (304) is located; the frame holder is arranged on the base (1) and used for supporting a part to be maintained at a certain height;
the upper ends of the two vertical frames (201) are respectively provided with an n-shaped frame (20), the opening directions of the n-shaped frames (20) and the vertical frames (201) are opposite, and the n-shaped frames (20) and the upper ends of the vertical frames (201) are respectively and vertically provided with a pulley (10) to form a pulley block; two ends of the pressing plate (301) are respectively connected with a pull rope (11), the other ends of the two pull ropes (11) respectively penetrate through two pulleys (10) of a pulley block and then are connected with a weight device, and the weight device is adjustable in quality;
the top plate (202) is supported on the vertical frame (201) through a rib plate (8), four rib plates (8) are arranged, two ends of the top plate (202) are symmetrically arranged at two ends of the top plate (8), the rib plate (8) is composed of a vertical section and an inclined section connected with the vertical section, the vertical section of the rib plate (8) is connected to the vertical frame (201) through bolts, the upper end of the vertical section of the rib plate (8) is supported on the lower end face of the top plate (202), one end of the inclined section of the rib plate (8) is connected with the lower end face of the vertical section of the rib plate, the other end of the inclined section of the rib plate (8) is connected with the lower end face of the top plate (202), and the connected position of the inclined section is close to the middle part of the lower end face of the top plate (202); the upper ends of the two ends of the top plate (202) are provided with stop blocks (9), the lower ends of the stop blocks (9) are tightly connected with the upper end of the top plate (202), and the stop blocks (9) are installed on the vertical frame (201) through bolts and are arranged in one-to-one correspondence with the vertical sections of the rib plates (8);
the weight device comprises a weight block (13), the weight block (13) is of a cuboid structure, a plurality of cuboid through holes (1301) which are horizontally arranged are formed in the weight block (13) in the vertical direction, the volumes of the through holes (1301) are different, threaded through holes which are communicated with the through holes (1301) in a one-to-one correspondence mode are formed in the weight block (13), and fastening bolts (1302) are arranged on the threaded through holes;
the support frame comprises a rear support frame, a front support frame and two support plates (430) arranged at the upper ends of the rear support frame and the front support frame, the rear support frame and the front support frame are respectively arranged at two sides of the fixing frame (2), the rear support frame consists of a plurality of rear vertical support rods (411) vertically arranged on the base (1) and a rear support plate (412) arranged at the upper ends of the rear vertical support rods (411), the front support frame comprises two front vertical support rods (421), the two front vertical support rods (421) are respectively arranged at two ends of the base (1), the upper ends of the two front vertical support rods (421) are respectively and fixedly connected with a hinge frame (422), and each hinge frame (422) is hinged with a front support plate (423); a second T-shaped groove (101) is formed in the upper end face, located between the two front vertical supporting rods (421), of the base (1), a second T-shaped sliding block (424) is arranged in the second T-shaped groove (101), the second T-shaped sliding block (424) can freely slide in the second T-shaped groove (101), a sliding supporting rod (425) is vertically arranged at the upper end of the second T-shaped sliding block (424), the free ends of the two front supporting plates (423) can be simultaneously arranged at the upper end of the sliding supporting rod (425), the upper end faces of the rear supporting plate (412) and the front supporting plate (423) are located on the same horizontal plane, a groove leading to the second T-shaped groove (101) from the side edge of the base (1) is formed in the upper end face of the base (1), and the groove is used for installing and dismantling the second T-shaped sliding block (424); the upper end face of the rear supporting plate (412) is provided with a long strip-shaped groove (413), a connecting sliding block (440) is arranged in the long strip-shaped groove (413), the connecting sliding block (440) is cylindrical, the diameter of the connecting sliding block is the same as the width of the long strip-shaped groove (413), and the upper end of the connecting sliding block (440) is fixedly connected with one end of the frame supporting plate (430).
2. The press machine for facilitating replacement of a pressure supply member according to claim 1, wherein: the pressure supply element (302) can be selected from a hydraulic cylinder, an air cylinder, an electric cylinder or a hydraulic jack.
3. The press machine for facilitating replacement of a pressure supply member according to claim 1, wherein: a first T-shaped groove (305) is formed in the lower end face of the pressing plate (301) along the length direction of the pressing plate (301), a first T-shaped sliding block (306) is arranged in the first T-shaped groove (305), the first T-shaped sliding block (306) can freely slide in the first T-shaped groove (305), a vertically arranged shaft-shaped part (12) is fixedly connected to the lower end face of the first T-shaped sliding block (306), a conical concave hole (1201) is formed in the lower end face of the shaft-shaped part (12), and the area of the cross section of the upper end of the conical concave hole (1201) is smaller than that of the cross section of the lower end of the conical concave hole (1201); the lower end face of the pressing plate (301) is provided with a groove communicated to one end of the first T-shaped groove (305) from the side edge of the pressing plate (301), and the groove is used for installing and detaching the first T-shaped sliding block (306).
4. The press machine for facilitating replacement of a pressure supply member according to claim 1, wherein: the base (1) is provided with a pulling box (6) with an opening at the upper end, two sides of the pulling box (6) are respectively provided with at least two wheels (7), the base (1) is provided with a group of mutually parallel slideways (102), the wheels (7) are arranged in the slideways (102), and the pulling box (6) can pass through between two front vertical supporting rods (421); draw and be provided with shock-absorbing structure in case (6), shock-absorbing structure includes spring (14) and lifter plate (15), draw and be provided with a plurality of spring standing grooves on the up end of case (6) diapire, spring (14) one-to-one places in the spring standing groove, lifter plate (15) are placed on spring (14), be provided with the rubber layer on the up end of lifter plate (15), draw and be provided with the rubber layer on the medial surface of case wall of case (6).
5. The press machine facilitating replacement of a pressure-supplying member according to claim 4, wherein: one side that draws case (6) to be close to front support frame does not set up the box body wall, and the one end that is close to this side on two box lateral walls that draw case (6) adjacent this side respectively vertically is provided with a slot (601), be provided with picture peg (16) in slot (601), be provided with handle (17) on the lateral surface of picture peg (16), be provided with the rubber layer on the medial surface of picture peg (16).
6. The press machine facilitating replacement of a pressure-supplying member according to claim 5, wherein: the lifting device (5) comprises a Z-shaped plate (18) and a lifting device (19); draw and get two lateral walls of case (6) installation wheel (7) on the vertical rectangle breach (602) that is provided with, rectangle breach (602) are from drawing the below that the top of getting case (6) tank wall extended to lifter plate (15), the width of Z shaped plate (18) slightly is less than the width of rectangle breach (602), the up end of the horizontal portion of Z shaped plate (18) lower extreme links to each other with the lower terminal surface of lifter plate (15), the outside of drawing case (6) is stretched out to rectangular breach (602) is passed to the horizontal portion in upper end of Z shaped plate (18), and when drawing case (6) propelling movement to innermost end Z shaped plate (18) upper end horizontal position in the top of lifting equipment (19) lift end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038301.6A CN109878125B (en) | 2019-01-16 | 2019-01-16 | Press convenient to change pressure supply component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910038301.6A CN109878125B (en) | 2019-01-16 | 2019-01-16 | Press convenient to change pressure supply component |
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| CN109878125A CN109878125A (en) | 2019-06-14 |
| CN109878125B true CN109878125B (en) | 2022-04-12 |
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| CN112658646B (en) * | 2020-12-14 | 2023-09-22 | 诸暨市金戋机械有限公司 | Outer ring press-fitting tool for processing three-fork joints |
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| CN2341762Y (en) * | 1998-09-29 | 1999-10-06 | 杨佩芝 | Structure improved adjustable holding pipe tools |
| KR20090011109U (en) * | 2008-04-25 | 2009-10-29 | 현대제철 주식회사 | Apparatus for Bearing Reworking |
| CN102962666A (en) * | 2011-09-02 | 2013-03-13 | 董金奎 | Hydraulic bearing press |
| CN104175091A (en) * | 2013-05-27 | 2014-12-03 | 大冶市天工模具有限公司 | Device for detaching liner of extruder |
| CN204447152U (en) * | 2015-01-28 | 2015-07-08 | 徐州工业职业技术学院 | A kind of double-purpose arm strength health care bed |
| CN206029222U (en) * | 2016-08-30 | 2017-03-22 | 中创环球（天津）压缩机械有限公司 | Screw extruder loads and unloads special press |
| CN106624737A (en) * | 2016-12-08 | 2017-05-10 | 钢城集团凉山瑞海实业有限公司 | Assembling and disassembling device for roller of ball press machine |
| CN206702551U (en) * | 2017-03-10 | 2017-12-05 | 驻马店恒久机械制造有限公司 | A kind of spinning roller provision for disengagement |
| CN206825323U (en) * | 2017-06-30 | 2018-01-02 | 黄山精工凹印制版有限公司 | A kind of wheeled apparatus for suspension bracket dismounting |
| CN107570992B (en) * | 2017-09-12 | 2024-01-23 | 上海新孚美变速箱技术服务有限公司 | Be applied to multi-functional pressure equipment that draws of car automatic gearbox maintenance |
| CN108177124B (en) * | 2017-12-08 | 2020-05-12 | 中车青岛四方机车车辆股份有限公司 | Tapered roller bearing outer ring withdrawal device |
| CN208132360U (en) * | 2018-03-23 | 2018-11-23 | 宁波达尔机械科技有限公司 | Bearing automatic dismantling tooling |
| CN208231211U (en) * | 2018-05-21 | 2018-12-14 | 刘玉豹 | A kind of hydraulic lift repairing clutch coupling of washing machine |
| CN108818066A (en) * | 2018-08-27 | 2018-11-16 | 北京铂阳顶荣光伏科技有限公司 | A kind of fixture and the machining center with it |
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Effective date of registration: 20220316 Address after: 250204 Workshop 11, SME transformation and development demonstration park, No. 517, Huamin Road, Guanzhuang street, Zhangqiu District, Jinan City, Shandong Province Applicant after: JINAN HONGGUANG CNC ROUTER MACHINERY CO.,LTD. Address before: 325200 Room 903, unit 2, building 25, Hongdu community, Anyang street, Ruian City, Wenzhou City, Zhejiang Province Applicant before: Jia Qiqi |
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Effective date of registration: 20240515 Address after: Workshop 11, Small and Medium sized Enterprise Transformation and Development Demonstration Park, No. 517 Huamin Road, Guanzhuang Street, Zhangqiu District, Jinan City, Shandong Province, 250001 Patentee after: Shandong Solong CNC Equipment Co.,Ltd. Country or region after: China Address before: 250204 Workshop 11, SME transformation and development demonstration park, No. 517, Huamin Road, Guanzhuang street, Zhangqiu District, Jinan City, Shandong Province Patentee before: JINAN HONGGUANG CNC ROUTER MACHINERY CO.,LTD. Country or region before: China |