CN110759285A - Heavy-load type stacking unit of mold transfer trolley - Google Patents
Heavy-load type stacking unit of mold transfer trolley Download PDFInfo
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- CN110759285A CN110759285A CN201911041287.1A CN201911041287A CN110759285A CN 110759285 A CN110759285 A CN 110759285A CN 201911041287 A CN201911041287 A CN 201911041287A CN 110759285 A CN110759285 A CN 110759285A
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000007704 transition Effects 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a heavy-load stacker set of a mold transfer trolley, which comprises a guide post, a top frame at the top end of the guide post and a tractor, wherein a fixed pulley is arranged on the top frame; a lift car is matched on the guide column in a sliding manner, the lift car is provided with a movable pulley, and the lift car is also provided with a fork mechanism; a traction rope of the traction machine bypasses the fixed pulley and the movable pulley to form a pulley block; the pallet fork mechanism comprises a telescopic arm, a tray for placing the mould is placed on the telescopic arm, and the telescopic arm comprises a fixed arm, a transition arm and a sliding arm; the fixed arm, the transition arm and the sliding arm are in multi-stage transmission through a first gear, a first upper rack, a lower rack, a second gear and a second upper rack; the fixed arm, the transition arm and the sliding arm bear weight through the first sliding groove, the lower guide wheel, the second sliding groove and the upper guide wheel. The heavy-duty stacking machine set can effectively lift and transversely move the tray to complete stacking of heavy molds.
Description
Technical Field
The invention relates to the technical field of heavy mold storage and placement mechanical equipment for automobile parts in automobile parts industry, in particular to a heavy-duty stacking unit of a mold transfer trolley.
Background
In the automobile parts industry, many dies for die-casting automobile parts are heavy dies, the weight of the dies is generally 2.5t to 3t, and some dies even weigh 5 t. In consideration of saving the occupied area, the die rack for storing the heavy dies in the warehouse is preferably of a multi-layer stacked structure, namely, the die rack is provided with a plurality of layers of shelf units, different moulds are placed into the shelf units with different layer heights, and the shelf units are stacked and placed to save the occupied area.
The method has the advantages that the method is characterized in that the method comprises the following steps that a mould is placed on a tray, the tray is placed on a transfer trolley, and after the transfer trolley is driven to run to a specified horizontal position of a mould frame, a specific mechanism on the transfer trolley is designed, so that the mould and the tray are transferred from the transfer trolley to a shelf unit with a specified height of the mould frame; and how to transfer the molds from the shelf units of the specified height of the mold rack to the transfer vehicle.
For convenience, the mechanism for carrying heavy molds is called a stacker set of mold transfer vehicles. The stacking machine set has several rigid requirements, and firstly, the specific structure of the stacking machine set needs to be specially designed to bear the molds with the weight of 5t, so that the smooth and stable mold carrying process is ensured; secondly, each internal structure of the stacking unit is as compact and reasonable as possible, the occupied space is small, and the stacking unit is convenient to install on a transfer trolley, so that the transfer trolley is prevented from being too large and heavy. Specifically, if a mold with common weight is carried, a stacking unit driven by an air cylinder or an oil cylinder can be arranged on the transfer trolley, but the dead weight of a die-casting mold in the automobile distribution industry is too large, the air cylinder cannot drive and bear the mold with large tonnage at all, even if a large-sized oil cylinder is used, the requirement on load bearing can be met, the volume and the weight of the stacking unit are too large, the integral dead weight and the volume of the transfer trolley are too large, and the transfer trolley is heavy, large in occupied area, high in energy consumption and poor in practicability.
Disclosure of Invention
The invention aims to solve the technical problem of providing a heavy-duty stacker group of a mold transfer trolley, which can effectively lift and transversely move a tray to complete heavy mold stacking.
The invention provides a heavy-load stacking unit of a mold transfer trolley, which comprises at least two guide posts arranged on the frame of the transfer trolley, wherein the top ends of the guide posts are fixedly provided with a top frame, and the top frame is provided with a plurality of fixed pulleys; a lift car is matched on the guide column in a sliding manner, the lift car is provided with a movable pulley, and the lift car is also provided with a fork mechanism; the stacker unit also comprises a traction machine with a traction rope, wherein the traction rope is led out of the traction machine, bypasses each fixed pulley and each movable pulley and is fixed with the top frame to form a pulley block;
the pallet fork mechanism comprises a telescopic arm, a tray for placing the mould is placed on the telescopic arm, and the telescopic arm comprises a fixed arm, a transition arm and a sliding arm;
the fixing arm is rotatably provided with a plurality of first gears which are meshed in sequence, wherein at least one first gear is a driving wheel driven by a telescopic motor, other first gears are driven wheels, the fixing arm comprises two first side walls and a bottom wall, a first sliding groove penetrates through the inner surface of each first side wall along the telescopic direction, and a lower rack is fixed on the upper surface of the bottom wall;
the transition arm comprises two side plates and a plurality of connecting shafts for connecting the two side plates, and each connecting shaft is rotatably provided with a second gear meshed with the lower rack; a first upper rack meshed with the first gear is fixed on the lower surface of one side plate in the inner part; the outer surface of each side plate is provided with an upper row of guide wheels and a lower row of guide wheels along the telescopic direction;
the sliding arm consists of two second side walls and a cover plate, a second sliding chute penetrates through the inner surface of each second side wall along the telescopic direction, and a second upper rack meshed with a second gear is fixed on the lower surface of the cover plate;
two rows of upper guide wheels of the transition arm are respectively in sliding fit in the two second sliding grooves of the sliding arm, and two rows of lower guide wheels of the transition arm are respectively in sliding fit in the two first sliding grooves of the fixed arm.
Compared with the prior art, the heavy-load stacking unit of the mold transfer trolley with the structure has the following advantages.
The principle of the forward extending action of the telescopic arm of the fork mechanism is firstly analyzed: the telescopic motor drives the first gear serving as a driving wheel to positively transmit, so that other first gears are driven to positively transmit, and all the first gears positively transmit to push the first upper rack forward, so that the transition arm extends forwards by a standard stroke d relative to the transfer trolley; when the transition arm extends forwards, the lower part of the second gear of the transition arm is meshed with the lower rack of the fixed arm, so that the second gear can also rotate forwards, and the linear stroke of the forward rotation of the second gear is the standard stroke d of the transition arm; and because the upper part of the second gear is meshed with the second upper rack, when the second gear rotates in the positive direction, the sliding arm is pushed by the second upper rack, so that the sliding arm also extends forwards by a standard stroke d relative to the transition arm, and then the standard stroke d of the transition arm extending forwards relative to the transfer trolley is superposed, and the sliding arm extends forwards by two standard strokes, namely 2d relative to the transfer trolley. And controlling the telescopic motor to enable the standard forward extending stroke d to be half of the length of the telescopic arm, so that the sliding arm can finally extend forward by the length of a complete telescopic arm relative to the transfer trolley. At this time, when the telescopic motor is rotated reversely for the same number of turns, the movable wall is retracted 2d, the transition arm is retracted 1d, and the movable wall, the transition arm, and the fixed arm are overlapped again in the telescopic direction. In a similar way, if the telescopic motor rotates reversely, the sliding arm can extend backwards by the length of one telescopic arm relative to the transfer trolley.
The load condition of the telescopic arm is analyzed, the weight of the sliding arm and the upper part of the sliding arm is downwards loaded on the transition arm through the two rows of upper guide wheels, the two rows of upper guide wheels smoothly and stably load, the smoothness of the transverse movement of the sliding arm is guaranteed, and the upper guide wheels are clamped in the two second sliding grooves in the inner surfaces of the two second side walls of the sliding arm to form a U-shaped clamping connection, so that the fork which bears a heavy mold is prevented from overturning and being unstable on the whole when the sliding arm is completely extended; similarly, the weight of the transition arm and the upper part of the transition arm is also loaded downwards on the fixed arm through the two rows of lower guide wheels, so that the fork is further ensured to be stably extended and retracted under high load, move smoothly and not overturn when being fully extended.
In conclusion, the fork mechanism extends the telescopic arm loaded with the heavy-duty mold to the front and back directions, and the extending distance is equal to the length of the telescopic arm, so that the heavy-duty mold is moved and conveyed from the upper part of the transfer trolley to the upper part of the mold frame; the pallet fork has heavy load and can bear 2.5t to 3t, even 5t of heavy molds; the telescopic process is smooth and stable, and the whole fork can not overturn when the sliding arm is completely extended; moreover, compared with the traditional heavy and huge hydraulic cylinder type pallet fork, the pallet fork has the advantages of compact structure, small volume, light dead weight and light and smooth movement.
The traction machine, the pulley block, the lift car and other components form a lifting mechanism, the lifting mechanism provides stable traction force by the traction machine, and the traction rope is wound on the movable pulley and the fixed pulley to form a labor-saving pulley block, so that the mechanism can stably lift and lift a heavy mold with the lifting weight of 2.5-5 t; the tray for placing the heavy-duty mold, the lift car and the guide post are in sliding fit, so that the lifting stability of the heavy-duty mold is further enhanced; the whole mechanism is vertically arranged, so that the floor area at the bottom is small, and the mechanism is suitable for being arranged on a frame of a transfer trolley so as to ensure that the structure of the transfer trolley is compact and reasonable; moreover, as can be seen from the analysis of the previous paragraph, the fork mechanism is compact, light and small in occupied area, so that the lifting mechanism for lifting the fork mechanism is natural, light and compact, and small in occupied area, so that the volume and the weight of the whole transfer trolley are further reduced; finally, the mechanism does not need to adopt an oil cylinder and an air cylinder, so that an oil way and an air way circulating system are omitted, and the transfer trolley is lighter.
Preferably, the number of the fixed pulleys is three, the number of the movable pulleys is two, and after being led out from the traction machine, the traction rope is reversed by the first fixed pulley, and then sequentially rounds the second fixed pulley, the first movable pulley, the third fixed pulley and the second movable pulley and is fixed with the top frame; therefore, the traction force can be reduced to 1/4 by the pulley block, and the heavy load of the lifting mechanism is further increased, so that the heavy-duty lifting mechanism is more suitable for the requirement of a heavy-duty mold; and a fixed pulley is additionally arranged at a position close to the traction machine to change the direction of the traction rope, so that the traction process is more smooth and stable.
Preferably, the number of the guide columns is four, and the top ends of the four guide columns are respectively fixed with four corners of the top frame; the lift car is composed of an upper rectangular frame, a lower rectangular frame and four stand columns for connecting the two rectangular frames, the four stand columns are arranged at four corners of the two rectangular frames, and the fork mechanism is fixed on the lower rectangular frame; firstly, the four guide columns are distributed in four corners, so that the overall stability of the lifting mechanism is enhanced; and the lift car is also a frame structure formed by the upright posts and the rectangular frame, so that the strength and the bearing capacity of the lift car can be ensured, the self weight of the lift car is reduced to the maximum extent, the traction force of the traction machine is applied to a die as much as possible, and the heavy load of the lifting mechanism is further increased.
Preferably, the upper rectangular frame is provided with full-closed hoops which correspond to the guide posts one by one, and four side faces of the full-closed hoops, which are in contact with the guide posts, are provided with rolling shafts; the lower rectangular frame is provided with semi-closed hoops which correspond to the guide columns one to one; the three side surfaces of the semi-closed hoop, which are contacted with the guide post, are provided with rolling shafts; therefore, the upper part adopts the totally closed hoop, so that the sliding fit between the car and the guide post is firm, and the separation of the car is avoided; moreover, each side face of the hoop, which is in contact with the guide post, is provided with the roller, so that the friction between the car and the guide post is further lubricated, and the noise and the abrasion between the car and the guide post are reduced.
Preferably, the traction machine is screwed on the guide post in a hanging way through a transition support, is accommodated in an electric control box body of the transfer trolley and is provided with a partition board between the traction machine and an electric control element of the box body; a longitudinal protective sleeve plate is also arranged on the transition support, and a traction rope section between the traction machine and the first fixed pulley is accommodated in the protective sleeve plate; therefore, the traction machine is connected with the upright post through the transition support, the connection is firm and reliable, the distance between the traction machine and the top fixed pulley is shortened, the invalid length of the traction rope is reduced, and the energy consumption is saved; the traction machine is internally accommodated in the electric cabinet body, the whole structure is compact and reasonable, and the electric cabinet body is protected and shielded to a certain degree, is dustproof and waterproof, and is attractive and tidy in whole structure; similarly, a traction rope section between the traction machine and the first fixed pulley is also internally wrapped in the protective sleeve plate for protection, so that the rope section is prevented from being accidentally touched, and the lifting stability of the lift car is ensured; moreover, a clapboard is arranged in the electric cabinet and used for separating the traction machine and other electric control elements, thereby preventing the traction rope of the traction machine from polluting the elements in the electric cabinet.
Preferably, the number of the telescopic arms is two, the telescopic motors are positioned between the two telescopic arms, the output shafts of the telescopic motors extend into a reduction gearbox, the output shaft of the reduction gearbox is a bidirectional shaft, and two ends of the bidirectional shaft respectively extend into the fixed arms on two sides and are fixed with the two first gears; like this, a flexible motor drives two flexible arms simultaneously, and can guarantee that two flexible arms are flexible in step, ensures the atress equilibrium, and stability when having improved the mould and removing, and promoted this fork truck's whole load one time.
Preferably, a connecting frame is arranged between the two telescopic arms and comprises a top metal plate and a front bottom connecting plate and a rear bottom connecting plate, two ends of each bottom connecting plate are respectively in threaded connection with the two fixing arms, the middle part of the top metal plate is provided with an upper arch centering plate, the front end and the rear end of the top metal plate are provided with L-shaped plates, the two L-shaped plates are respectively in threaded connection with the front bottom connecting plate and the rear bottom connecting plate, and the shell of the reduction gearbox is in; the lower surfaces of the two bottom connecting plates are in threaded connection with the lower rectangular frame; like this, two flexible arms firm in connection, and each part overall arrangement is compact reasonable, the assembly of being convenient for, and has reduced fork truck's whole volume.
As a further preference, a gear box is fixed on the lower surface of the bottom wall of the fixing arm, the main body part of the first gear is installed in the gear box, a long hole parallel to the lower rack penetrates through the bottom wall of the fixing arm, and the upper parts of all the first gears extend out of the gear box through the long holes so as to realize meshing with the first upper rack; due to the design, a proper mounting position is provided for the first gear, the first gear and the lower rack are ensured to be staggered, and the multi-stage transmission parts of the forklift are ensured to operate independently and do not interfere with each other.
Drawings
Fig. 1 is a schematic view showing the lower limit position of the cage of the heavy-duty stacker group of the mold transfer vehicle according to the present invention.
Fig. 2 is a schematic structural view of the upper limit position of the cage of the heavy-duty stacker group of the mold transfer vehicle according to the present invention.
Fig. 3 is an enlarged schematic view of the cage of the heavy-duty stacker group of the mold transfer vehicle of the present invention.
Fig. 4 is a schematic view of the lifting mechanism of the heavy-duty stacker set of the mold transfer vehicle of the present invention with the car removed.
Fig. 5 is a schematic structural view of the lifting mechanism of the heavy-duty stacker group of the mold transfer vehicle of the present invention with the car, the electric cabinet housing and the protective sheathing removed.
Fig. 6 is a schematic structural view of a fork mechanism of a heavy-duty stacker group of the mold transfer vehicle of the present invention.
Fig. 7 is a schematic structural view of the fork mechanism of the heavy-duty stacker set of the mold transfer vehicle of the present invention with the top sheet metal removed.
Fig. 8 is an exploded view of the fork mechanism of the heavy duty stacker of the mold transfer vehicle of the present invention.
Fig. 9 is a schematic view of the structure of fig. 8 after being deflected at a certain angle.
Fig. 10 is a schematic top view of a half cross section taken along a section where the first gear is located of the fork mechanism of the heavy duty stacker of the mold transfer vehicle according to the present invention.
Fig. 11 is a schematic top view, in half section, of the fork mechanism of the heavy-duty stacker set of the mold transfer vehicle of the present invention, taken along a section of the second gear.
Shown in the figure are 1, a telescopic arm, 2, a fixed arm, 2.1, a first side wall, 2.2, a bottom wall, 3, a transition arm, 3.1, an additional connecting rod, 3.2, a side plate, 3.3, a connecting shaft, 4, a sliding arm, 4.1, a second side wall, 4.2, a cover plate, 5, a first gear, 6, a telescopic motor, 7, a first sliding chute, 8, a lower rack, 9, a second gear, 10, a first upper rack, 11, a second sliding chute, 12, a second upper rack, 13, an upper guide wheel, 14, a lower guide wheel, 15, a reduction box, 16, a bidirectional shaft, 17, a top metal plate, 17.1, an upper arch plate, 17.2, an L-shaped plate, 18, a bottom connecting plate, 19, a gear box, 20, a long hole, 21, a frame, 22, a guide post, 23, a top frame, 24, a fixed pulley, 25, a rectangular car, 25.1, an upper frame, 25.2, a lower rectangular frame, 25.3, a stand column, a tray, a traction rope, a traction machine, a traction, 30. the device comprises a full-closed hoop 31, a rolling shaft 32, a semi-closed hoop 33, a transition support 34, an electric cabinet 35, a partition plate 36, a protective sheathing 37, an upper beam 38 and a lower beam.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
As shown in fig. 1 to 11, the heavy-duty stacker set for a mold transfer vehicle according to the present invention includes at least two guide posts 22 mounted on a frame 21 of the transfer vehicle, and the number of the guide posts 22 is four in this embodiment. The top ends of the four guide columns 22 are fixed with a top frame 23, and specifically, the top ends of the four guide columns 22 are fixed with four corners of the top frame 23. The top frame 23 is provided with an upper beam 37, and a plurality of fixed pulleys 24 are rotatably arranged on the upper beam 37. Four guide posts 22 are slidably fitted with a car 25. Specifically, the car 25 is composed of an upper rectangular frame 25.1, a lower rectangular frame 25.2 and four upright posts 25.3 connecting the two rectangular frames, and the four upright posts 25.3 are arranged at four corners of the two rectangular frames; the upper rectangular frame 25.1 is provided with four fully-closed anchor ears 30; each fully closed hoop 30 is in sliding fit with one corresponding guide column 22, and four side surfaces of each fully closed hoop 30, which are in contact with the corresponding guide column 22, are provided with rolling shafts 31; the lower rectangular frame 25.2 is provided with four semi-closed hoops 32, each semi-closed hoop 32 is in sliding fit with one corresponding guide column 22, and three sides of each semi-closed hoop 32, which are in contact with the corresponding guide column 22, are provided with rolling shafts 31.
The top frame 23 of the cage 25 is provided with a lower beam 38, and the lower beam 38 is provided with a movable pulley 26. The car 25 is also provided with a fork mechanism for transporting the molds from above the transfer trolley to above the mold rack shelf units. Specifically, the fork mechanism is fixed to the lower rectangular frame 25.2.
The hoisting mechanism further comprises a traction machine 29 with a traction rope 28, and the traction rope 28 is led out from the traction machine 29, passes through each fixed pulley 24 and each movable pulley 26 and is fixed with the top frame 23 to form a pulley block.
The pulley block concrete structure of this embodiment does: the number of the fixed pulleys 24 is three, the number of the movable pulleys 26 is two, and the traction rope 28 is led out from the traction machine 29, is reversed by the first fixed pulley 24, sequentially rounds the second fixed pulley 24, the first movable pulley 26, the third fixed pulley 24 and the second movable pulley 26, and is fixed with the top frame 23.
The traction machine 29 is suspended and screwed on the guide post 22 through a transition support 33, the traction machine 29 is accommodated in an electric control box 34 of the transfer trolley, and a partition plate 35 is arranged between the traction machine 29 and an electric control element of the box. The transition support 33 is also provided with a longitudinal protective sleeve 36, and the rope section of the traction rope 28 between the traction machine 29 and the first fixed pulley 24 is accommodated in the protective sleeve 36.
The fork mechanism of the transfer trolley is a heavy-load bidirectional telescopic fork, and comprises two telescopic arms 1 with the same structure and a connecting frame for connecting the two telescopic arms 1. A tray 27 for resting the moulds rests on the two telescopic arms 1. Each telescopic arm 1 comprises a fixed arm 2, a transition arm 3 and a sliding arm 4.
Here, the concept of the direction is unified, and the direction in which the telescopic boom 1 is extended and retracted is referred to as the front-rear direction, and the direction perpendicular to the telescopic boom 1 is referred to as the left-right direction with respect to the telescopic boom 1.
The fixed arm 2 comprises two first side walls 2.1 and a bottom wall 2.2, and the two first side walls 2.1 are screwed on the upper surface of the bottom wall 2.2 and are respectively arranged at the left side and the right side of the bottom wall.
The connecting frame comprises a top metal plate 17 and a front bottom connecting plate 18 and a rear bottom connecting plate 18, wherein two ends of the front bottom connecting plate 18 are respectively in threaded connection with the front ends of the bottom walls 2.2 of the two fixing arms 2, and two ends of the rear bottom connecting plate 18 are respectively in threaded connection with the rear ends of the bottom walls 2.2 of the two fixing arms 2; the two bottom walls 2.2 and the two bottom webs 18 form the frame structure of the fork base. And the lower surfaces of the two bottom connecting plates 18 are in threaded connection with the lower rectangular frame 15.2, so that the connection between the fork mechanism and the elevator cage 25 is completed.
The middle part of the top metal plate 17 is provided with an upper arch 17.1, the front end and the rear end are provided with L-shaped plates 17.2, the two L-shaped plates 17.2 are respectively in threaded connection with a front bottom connecting plate 18 and a rear bottom connecting plate 18, and the lower surface of the upper arch 17.1 is in threaded connection with a reduction gearbox 15. A telescopic motor 6 is further arranged between the two telescopic arms 1, an output shaft of the telescopic motor 6 extends into a reduction gearbox 15, an output shaft of the reduction gearbox 15 is a bidirectional shaft 16, and two ends of the bidirectional shaft 16 respectively extend into the two fixed arms 2 on the left side and the right side.
A plurality of first gears 5 are rotatably mounted in each fixed arm 2, wherein at least one first gear 5 is a driving wheel driven by a telescopic motor 6 and the other first gears 5 are driven wheels. In this embodiment, three first gears 5 are disposed in each telescopic arm 1, specifically, a gear box 19 is fixed on the lower surface of the bottom wall 2.2 of each fixed arm 2, the three first gears 5 are rotatably mounted in a box of the gear box 19, the end of the bidirectional shaft 16 extends into the gear box 19 of the fixed arm 2 and is fixed with the first gear 5 serving as a driving wheel, the other two first gears 5 are sequentially in mesh transmission with the driving wheel, and the three first gears 5 are located in the middle of the length of the fixed arm 2 in the telescopic direction. The bottom wall 2.2 of the fixed arm 2 also serves as a top plate of the gear box 19, a long hole 20 extending in the telescopic direction penetrates through the bottom wall 2.2, the main body parts of the three first gears 5 are accommodated in the box body of the gear box 19, and the upper parts of the three first gears 5 extend out of the gear box 19 through the long hole 20.
A first sliding chute 7 penetrates through the inner surface of each first side wall 2.1 of the fixed arm 2 along the telescopic direction, and a lower rack 8 extending along the telescopic direction is fixed on the upper surface of the bottom wall 2.2; the lower rack 8 and the part of the first gear 5 extending out of the gear box 19 through the long hole 20 are staggered left and right.
The transition arm 3 comprises two side plates 3.2 and a plurality of connecting shafts 3.3 for connecting the two side plates 3.2, in the embodiment, three connecting shafts 3.3 are provided, and each connecting shaft 3.3 is rotatably provided with a second gear 9 meshed with the lower rack 8; the three second gears 9 are meshed in sequence, and the three second gears 9 are positioned in the middle of the length of the transition arm 3 in the telescopic direction; naturally, an additional connecting rod 3.1 for reinforcement is also arranged between the two side plates 3.2. A first upper rack 10 meshed with the first gear 5 is fixed on the lower surface of one side plate 3.2; the outer surface of each side plate 3.2 is provided with an upper row of guide wheels and a lower row of guide wheels along the telescopic direction. Specifically, a row of upper guide wheels 13 and a row of lower guide wheels 14 are arranged on the left surface of the left side plate 3.2 in the telescopic direction, and a row of upper guide wheels 13 and a row of lower guide wheels 14 are arranged on the right surface of the right side plate 3.2 in the telescopic direction.
The sliding arm 4 is composed of two second side walls 4.1 and a cover plate 4.2, and the two second side walls 4.1 are respectively screwed on the lower surface of the cover plate 4.2 and are separated on the left side and the right side of the cover plate. A second sliding groove 11 penetrates through the inner surface of each second side wall 4.1 along the telescopic direction, and a second upper rack 12 meshed with the second gear 9 is fixed on the lower surface of the cover plate 4.2.
Two rows of upper guide wheels 13 of the transition arm 3 are respectively in sliding fit in the two second sliding grooves 11 of the sliding arm 4, and two rows of lower guide wheels 14 of the transition arm 3 are respectively in sliding fit in the two first sliding grooves 7 of the fixed arm 2.
The shelf unit of the mould frame comprises two symmetrical angle steels, the mould tray 27 is clamped on the transverse plates of the two angle steels, the transverse plates of the two angle steels are hollow, and the distance between the two transverse plates is larger than the distance between the outer surfaces of the two telescopic arms 1. Thus, after the lifting mechanism lifts the tray 27 to a height slightly higher than that of the single angle steel of the shelf, the two telescopic arms 1 of the fork act to transport the tray 27 to the position above the angle steel from the position above the transfer trolley, and the lifting mechanism descends the two telescopic arms 1 again to enable the tray 27 to be placed on the two angle steels, so that the die stacking action is completed.
Claims (8)
1. The utility model provides a heavy-duty type stacker unit of mould transfer car (buggy), its characterized in that: the transfer trolley comprises at least two guide columns (22) arranged on a transfer trolley frame (21), wherein top frames (23) are fixed at the top ends of the guide columns (22), and a plurality of fixed pulleys (24) are arranged on the top frames (23); a lift car (25) is matched on the guide column (22) in a sliding manner, the lift car (25) is provided with a movable pulley (26), and the lift car (25) is also provided with a pallet fork mechanism; the stacker unit also comprises a traction machine (29) with a traction rope (28), wherein the traction rope (28) is led out from the traction machine (29), bypasses each fixed pulley (24) and each movable pulley (26), and is fixed with the top frame (23) to form a pulley block;
the pallet fork mechanism comprises a telescopic arm (1), a tray (27) for placing the mould is placed on the telescopic arm (1), and the telescopic arm (1) comprises a fixed arm (2), a transition arm (3) and a sliding arm (4);
the fixing arm (2) is rotatably provided with a plurality of first gears (5) which are meshed in sequence, wherein at least one first gear (5) is a driving wheel driven by a telescopic motor (6) and other first gears (5) are driven wheels, the fixing arm (2) comprises two first side walls (2.1) and a bottom wall (2.2), a first sliding chute (7) penetrates through the inner surface of each first side wall (2.1) along the telescopic direction, and a lower rack (8) is fixed on the upper surface of the bottom wall (2.2);
the transition arm (3) comprises two side plates (3.2) and a plurality of connecting shafts (3.3) used for connecting the two side plates (3.2), and each connecting shaft (3.3) is rotatably provided with a second gear (9) meshed with the lower rack (8); a first upper rack (10) meshed with the first gear (5) is fixed on the lower surface of one inner side plate (3.2); the outer surface of each side plate (3.2) is provided with an upper row of guide wheels and a lower row of guide wheels in a telescopic direction;
the sliding arm (4) is composed of two second side walls (4.1) and a cover plate (4.2), a second sliding chute (11) penetrates through the inner surface of each second side wall (4.1) along the telescopic direction, and a second upper rack (12) meshed with the second gear (9) is fixed on the lower surface of the cover plate (4.2);
two rows of upper guide wheels (13) of the transition arm (3) are respectively in sliding fit in the two second sliding grooves (11) of the sliding arm (4), and two rows of lower guide wheels (14) of the transition arm (3) are respectively in sliding fit in the two first sliding grooves (7) of the fixed arm (2).
2. The heavy-duty stacker set for mold transfer trucks of claim 1, wherein: the number of the fixed pulleys (24) is three, the number of the movable pulleys (26) is two, and the traction rope (28) is led out from the traction machine (29), reversed by the first fixed pulley (24), sequentially wound around the second fixed pulley (24), the first movable pulley (26), the third fixed pulley (24) and the second movable pulley (26) and fixed with the top frame (23).
3. The heavy-duty stacker set for mold transfer trucks of claim 1, wherein: four guide columns (22) are arranged, and the top ends of the four guide columns (22) are respectively fixed with four corners of the top frame (23); the lift car (25) is composed of an upper rectangular frame (15.1), a lower rectangular frame (15.2) and four upright posts (15.3) for connecting the two rectangular frames, the four upright posts (15.3) are arranged at four corners of the two rectangular frames, and the fork mechanism is fixed on the lower rectangular frame (15.2).
4. The heavy-duty stacker set for mold transfer trucks of claim 1, wherein: the upper rectangular frame (15.1) is provided with fully closed hoops (30) which correspond to the guide columns (22) one by one, and four side surfaces of the fully closed hoops (30) which are in contact with the guide columns (22) are provided with rolling shafts (31); the lower rectangular frame (15.2) is provided with semi-closed hoops (32) which correspond to the guide columns (22) one by one; and rolling shafts (31) are arranged on three sides of the semi-closed hoop (32) which are contacted with the guide post (22).
5. The heavy-duty stacker set for mold transfer trucks of claim 2, wherein: the traction machine (29) is suspended in the air and screwed on the guide post (22) through a transition support (33), the traction machine (29) is accommodated in the box body of an electric control box (34) of the transfer trolley, and a partition plate (35) is arranged between the traction machine and an electric control element of the box body; the transition support (33) is also provided with a longitudinal protective sleeve plate (36), and the rope section of the traction rope (28) between the traction machine (29) and the first fixed pulley (24) is accommodated in the protective sleeve plate (36).
6. A heavy-duty stacker set of mold transfer carts according to claim 1 or 3 wherein: the number of the telescopic arms (1) is two, the telescopic motors (6) are located between the two telescopic arms (1), the output shafts of the telescopic motors (6) extend into a reduction gearbox (15), the output shafts of the reduction gearbox (15) are bidirectional shafts (16), and two ends of each bidirectional shaft (16) respectively extend into the fixed arms (2) on two sides and are fixed with the two first gears (5).
7. The heavy duty stacker set of mold transfer carts of claim 6 further comprising: a connecting frame is arranged between the two telescopic arms (1), the connecting frame comprises a top metal plate (17) and a front and a rear bottom connecting plates (18), two ends of each bottom connecting plate (18) are respectively in threaded connection with the two fixing arms (2), an upper arch plate (17.1) is arranged in the middle of the top metal plate (17), an L-shaped plate (17.2) is arranged at the front and rear ends of the top metal plate (17), the two L-shaped plates (17.2) are respectively in threaded connection with the front and rear bottom connecting plates (18), and a shell of the reduction gearbox (15) is in threaded connection with the lower surface of the upper arch; the lower surfaces of the two bottom connecting plates (18) are in threaded connection with the lower rectangular frame (15.2).
8. The heavy-duty stacker set for mold transfer trucks of claim 1, wherein: a gear box (19) is fixed on the lower surface of the bottom wall (2.2) of the fixing arm (2), the main body of the first gear (5) is installed in the gear box (19), a long hole (20) parallel to the lower rack (8) penetrates through the bottom wall (2.2) of the fixing arm (2), and the upper portions of all the first gears (5) extend out of the gear box (19) through the long holes (20) so as to be meshed with the first upper rack (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911041287.1A CN110759285A (en) | 2019-10-30 | 2019-10-30 | Heavy-load type stacking unit of mold transfer trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911041287.1A CN110759285A (en) | 2019-10-30 | 2019-10-30 | Heavy-load type stacking unit of mold transfer trolley |
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| CN110759285A true CN110759285A (en) | 2020-02-07 |
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| CN201911041287.1A Pending CN110759285A (en) | 2019-10-30 | 2019-10-30 | Heavy-load type stacking unit of mold transfer trolley |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022068159A1 (en) * | 2020-09-29 | 2022-04-07 | 上海精星物流设备工程有限公司 | Double-column stacking machine |
| CN114319231A (en) * | 2022-01-17 | 2022-04-12 | 南京工业大学 | A dyke rupture blocking bicycle trolley |
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