CN209904038U

CN209904038U - Automatic material transferring brake shoe flattening production line

Info

Publication number: CN209904038U
Application number: CN201920499899.4U
Authority: CN
Inventors: 黄纺兰
Original assignee: Fujian Quanzhou Teng Teng Machinery Co Ltd
Current assignee: Fujian Quanzhou Teng Teng Machinery Co Ltd
Priority date: 2019-04-13
Filing date: 2019-04-13
Publication date: 2020-01-07
Anticipated expiration: 2029-04-13

Abstract

The utility model relates to an automatic change material brake shoe assembly line that flattens, simple structure, flattening precision are high, can change material and unloading automatically, and safety and production efficiency are high, specifically include the frame and set up loading attachment, flattening device, change material device and unloader in the frame respectively, wherein: the feeding device is used for conveying brake shoes to the second position from the first position, the flattening device is used for flattening the brake shoes at the second position from top to bottom, the material transferring device is used for conveying the brake shoes to the fourth position from the third position, the discharging device is used for moving the brake shoes away from the rack from the fourth position, the third position is right above the second position, the first position and the second position are at the same level, and the third position and the fourth position are at the same level.

Description

Automatic material transferring brake shoe flattening production line

Technical Field

The utility model relates to a brake block processing technology field especially relates to an automatic change material brake block assembly line that flattens.

Background

In the braking system of an automobile, a brake shoe is the most critical safety part. The brake shoe is generally composed of a steel plate, a bonding heat insulation layer and a friction block, wherein the friction block is composed of a friction material and an adhesive, and the friction block is extruded on a brake disc or a brake drum to generate friction during braking, so that the aim of decelerating and braking the vehicle is fulfilled.

In the prior art, the brake shoe is usually manufactured by coating a layer of adhesive heat-insulating layer on the outside of a steel plate, then compounding a friction block on the adhesive heat-insulating layer, and after compounding, in order to ensure that the surface of the friction block, the steel plate and the adhesive heat-insulating layer is smooth, people also need to manually beat the surface of the friction block to ensure that the surface of the friction block, the steel plate and the adhesive heat-insulating layer are smooth.

Chinese patent publication (CN206598526U) discloses a brake shoe flattening device, including frame, workstation, flattening device and brake shoe positioner, the workstation is located in the frame, brake shoe positioner is located and is used for fixing a position the brake shoe on the workstation, flattening device locates frame upper portion brake shoe positioner's top, flattening device includes lift drive and locates the clamp plate of lift drive power take off end, still be equipped with on the workstation and make the brake shoe positioner slide from beginning to end so that brake shoe positioner places the back-and-forth movement device in the clamp plate below. Although the brake shoe flattening device realizes automation of brake shoe flattening, the brake shoe flattening device with the structure has the following defects: 1. after the brake shoe is flattened, the brake shoe needs to be manually taken down from the workbench, so that the operation is dangerous; 2. after the brake shoe is flattened, the brake shoe can be taken off from the workbench after the workbench is reset, and then the next workpiece can be replaced, so that the machining efficiency is low; 3. after the flattened brake lining is taken down, the brake lining needs to be manually transferred to the next procedure, so that the efficiency is low; 4. the tensioning and pressing state is still required to be kept after the flattening blanking, so that the friction block and the steel plate are combined more stably, but the circulation period of the lantern ring is prolonged, and the processing efficiency is restricted.

SUMMERY OF THE UTILITY MODEL

For overcoming the technical defect that prior art exists, the utility model provides an automatic change material brake block assembly line that flattens, simple structure, flattening precision are high, can change material and unloading automatically, and safety and production efficiency are high.

The utility model discloses a technical solution be: the utility model provides an automatic change material brake lining assembly line that flattens, includes the frame and sets up loading attachment, flattening device, commentaries on classics material device and unloader in the frame respectively, wherein: the feeding device is used for conveying brake shoes to the second position from the first position, the flattening device is used for flattening the brake shoes at the second position from top to bottom, the material transferring device is used for conveying the brake shoes to the fourth position from the third position, the discharging device is used for moving the brake shoes away from the rack from the fourth position, the third position is right above the second position, the first position and the second position are at the same level, and the third position and the fourth position are at the same level.

Preferably, the feeding device comprises a workbench, a tension relieving mechanism and a workbench translation mechanism, a first sliding rail parallel to a connecting line between the first position and the second position is arranged on the rack, the workbench is in sliding fit with the first sliding rail, the workbench translation mechanism is installed on the rack, the output end of the workbench translation mechanism is fixedly connected with the workbench, and the tension relieving mechanism is arranged on the workbench to enable the brake shoe tension assembly to be loose.

Preferably, the tensioning release mechanism comprises a guide assembly, a fixed plate, a movable plate and a telescopic cylinder, the fixed plate is fixedly arranged on the workbench, the top end of the fixed plate protrudes upwards relative to the workbench table surface, the movable plate is slidably sleeved on the guide assembly, the top end of the movable plate protrudes upwards relative to the workbench table surface, the telescopic cylinder is fixedly connected to the movable plate, a piston rod of the telescopic cylinder is connected to the guide assembly, and an upper protruding end of the fixed plate and an upper protruding end of the movable plate form a release working part.

Preferably, the feeding device further comprises a buffer mechanism, the buffer mechanism is fixedly arranged on the rack, and when the workbench is located at the second position, the buffer mechanism abuts against the workbench.

Preferably, the flattening device comprises a pressing plate, a positioning guide pillar, a sliding sleeve and a pressing plate moving mechanism, the positioning guide pillar is vertically and fixedly arranged on the pressing plate and symmetrically distributed, the sliding sleeve is arranged on the pressing plate and slidably arranged on the positioning guide pillar, the pressing plate moving mechanism is fixedly arranged at the top end of the positioning guide pillar, the output end of the pressing plate moving mechanism is connected with the pressing plate, so that the pressing plate vertically reciprocates at the second position, and the pressing plate serves as a flattening working part of the flattening device.

Preferably, change material device and include first material clamping mechanism, take-up (stock) pan and take-up (stock) pan translation mechanism, be provided with the second slide rail that is on a parallel with third position and fourth position line in the frame, take-up (stock) pan sliding fit on the second slide rail just take-up (stock) pan bottom surface is higher than the workstation mesa, take-up (stock) pan translation mechanism installs in the frame and its output fixed connection take-up (stock) pan, first material clamping mechanism installs in flattening device's the work portion that flattens.

Preferably, the first material clamping mechanism comprises two material clamping components symmetrically arranged on the bottom surface of the flattening working part, each material clamping component comprises a material clamping cylinder fixedly arranged on the bottom surface of the flattening working part and a material clamping plate fixedly connected to the tail end of a piston rod of the material clamping cylinder, and the action surface of each material clamping plate is matched with the peripheral surface of the brake pad.

Preferably, first material clamping mechanism includes that two symmetries set up the material clamping component in the bottom surface of the portion of working that flattens, and each material clamping component includes material clamping cylinder, connecting plate and two slip posts, two guide holders and two clamp flitchs respectively, material clamping cylinder and the equal fixed mounting of guide holder are corresponding to the clutch blocks both ends of this side brake shoe in the bottom surface of the portion of working that flattens and two guide holders, and it is provided with the guiding hole of directional this side brake shoe centre of a circle department to link up in each guide holder, the terminal fixedly connected with of piston rod of material clamping cylinder the connecting plate, the both ends of connecting plate articulate respectively has one the slip post just the slip post slides the cooperation of slip post in the guiding hole, the other end fixed mounting of each slip post presss from both sides the flitch just the active face and the brake shoe outer peripheral face looks adaptation of pressing.

Preferably, the blanking device comprises a second material clamping mechanism, a lifting mechanism, a blanking moving mechanism and a third slide rail, the blanking moving mechanism and the third slide rail are arranged on the upper portion of the frame in parallel, the blanking moving mechanism is in sliding fit with the third slide rail, the lifting mechanism is installed on the blanking moving mechanism, and the second material clamping mechanism is installed on the blanking moving mechanism.

Preferably, a workpiece detection switch is arranged on the left side and the right side of the rack and at a position corresponding to the third position in the transverse direction.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the first material clamping mechanism is arranged to automatically clamp the flattened workpiece, the next workpiece can be directly placed into the workbench after the workbench is reset, the workpiece is not required to be manually taken down from the reset workbench, and the machining efficiency is high;

2. the receiving tray and the receiving tray translation mechanism are arranged, when the first clamping mechanism clamps the workpiece, the receiving tray is driven to be under the pressing plate by the receiving tray translation mechanism, the workpiece is loosened by the first clamping mechanism, and the workpiece falls into the receiving tray, so that danger during manual material taking is avoided;

3. the blanking device is arranged, the second material clamping mechanism is driven by the blanking moving mechanism and the lifting mechanism to clamp the workpiece on the receiving disc, blanking is placed on the conveying belt on one side, and the workpiece is conveyed to the next procedure along the running direction of the belt track, so that the workpiece is not required to be manually conveyed, the labor cost is saved, and the processing efficiency is also improved;

4. the first material clamping mechanism and the second material clamping mechanism which act on the two ends of the friction block are beneficial to greatly improving the uniform acting force of each bonding part of the steel plate and the friction block, enhancing the bonding strength, and simultaneously, the acting force is exerted on the brake lining in the period from flattening to blanking, so that the tensioning and pressing time of the brake lining and the recycling period of the lantern ring can be shortened, and the production efficiency is improved.

Drawings

Figure 1 is the utility model discloses automatic change material brake shoe assembly line elevation view that flattens.

Fig. 2 is a side view of the automatic material transferring brake shoe flattening assembly line of the utility model.

Fig. 3 is a schematic structural diagram of the feeding, pressing and transferring device of the utility model in the feeding position state.

Fig. 4 is the structural schematic diagram of the feeding, pressing and material transferring device in the pressing working state of the utility model.

Fig. 5 is a schematic structural view of the feeding, pressing and transferring device when the receiving tray of the present invention reaches the third position state.

Fig. 6 is the utility model discloses take-up (stock) pan and take-up (stock) pan translation mechanism plan view.

Fig. 7 is the structure schematic diagram of the working table, the brake shoe tensioning assembly and the tensioning relieving mechanism of the utility model.

Fig. 8 is a relation diagram of the first clamping mechanism and the single-column brake shoe tensioning assembly according to an embodiment of the present invention.

Fig. 9 is a relation diagram of the first clamping mechanism and the multi-column brake shoe tensioning assembly according to an embodiment of the present invention.

Fig. 10 is a diagram of the relationship between the first and second clamping mechanisms and the single-column brake shoe tensioning assembly according to another embodiment of the present invention.

Fig. 11 is a relationship diagram of the first and second clamping mechanisms and the multi-column brake shoe tensioning assembly according to another embodiment of the present invention.

Description of reference numerals: 1. a frame; 2. a feeding device; 3. a flattening device; 4. a material transferring device; 5. a blanking device; 6. a brake shoe tensioning assembly; 11. a workpiece detection switch; 21. a work table; 22. a tension releasing mechanism; 23. a table translation mechanism; 31. pressing a plate; 32. positioning the guide post; 33. a platen moving mechanism; 41. a first material clamping mechanism; 42. a take-up pan; 43. a take-up pan translation mechanism; 44. a flat plate; 51. a second material clamping mechanism; 52. a lifting mechanism; 53. a third slider; 54. a blanking moving mechanism; 61. a telescopic positioning column; 62. a compression spring; 63. a collar; 64. brake shoe; 221. a fixing plate; 222. moving the plate; 223. a telescopic cylinder; 231. a first slider; 232. a first slide rail; 411. a material clamping cylinder; 412. a material clamping plate; 413. a connecting plate; 414. a guide seat; 415. a sliding post; 421. a tray body; 422. an anti-slip rubber pad; 423. a support body; 424. a positioning member; 431. a second slider; 432. a second slide rail.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-11, this embodiment provides an automatic material transferring brake shoe flattening production line, which includes a frame 1, and a feeding device 2, a flattening device 3, a material transferring device 4, and a blanking device 5 that are respectively disposed on the frame 1, where the feeding device 2 is configured to send a brake shoe 64 from a first position to a second position, the flattening device 3 is configured to flatten the brake shoe 64 at the second position from top to bottom, the material transferring device 4 is configured to send the brake shoe 64 from a third position to a fourth position, the blanking device 5 is configured to remove the brake shoe 64 from the fourth position from the frame 1, the third position is directly above the second position, the first position and the second position are at the same horizontal height, the third position and the fourth position are at the same horizontal height, and the first position, the second position, the third position, and the fourth position are all in the frame 1.

In this embodiment, the feeding device 2 includes a working table 21, a tension releasing mechanism 22 and a working table translation mechanism 23, the frame 1 is provided with a first slide rail 232 parallel to a connection line between the first position and the second position, the working table 21 is slidably fitted on the first slide rail 232 through a first slide block 231, the working table translation mechanism 23 is installed on the frame 1, an output end of the working table translation mechanism 23 is fixedly connected to the working table 21, the tension releasing mechanism 22 is installed on the working table 21 to loosen the brake shoe tension assembly 6 so as to facilitate disassembling and assembling the friction block and the steel plate, the brake shoe tension assembly 6 includes a telescopic positioning column 61, a compression spring 62 sleeved outside the telescopic positioning column 61, and a lantern ring 63 for annularly sleeving the steel plate and the friction block at two ends of the telescopic positioning column 61 and at two ends of the telescopic positioning column 61, the number of the telescopic positioning column 61 can be 1, and the telescopic positioning column 61 is a, as shown in fig. 8 or 10, or a plurality of brake shoe tensioning assemblies arranged side by side can be provided, as shown in fig. 9 or 11. For making the frame 1 surface when workstation 21 is in the first position present a platform, offer on the frame 1 of first position department with workstation 21 assorted inlay the dress hole, in order to avoid simultaneously that frame 1 and brake shoe tensioning assembly 6 to take place to interfere when workstation 21 is in the second position, the frame 1 of second position department is the fretwork design, and first slide rail 232 is in the both sides of fretwork department.

Specifically, the method comprises the following steps: the working table 21 comprises a lower table plate and an upper table plate fixedly arranged on the lower table plate through a fastener, two ends of the lower table plate are respectively matched with a first sliding rail 232 in a sliding mode through a first sliding block 231, the lower table plate is provided with a strip hole and a mounting hole, the upper table plate is provided with a long hole corresponding to the strip hole and the mounting hole, the region where the strip hole and the mounting hole are located is communicated, the tensioning release mechanism 22 comprises a guide assembly, a fixing plate 221, a moving plate 222 and a telescopic cylinder 223, the fixing plate 221 is fixedly arranged on the lower table plate of the working table 21, the top end of the fixing plate passes through the mounting hole and the long hole and protrudes upwards relative to the table surface of the working table 21, the guide assembly comprises two fixing seats oppositely fixedly arranged at the bottom of the lower table plate of the working table 21 and two guide rods vertically connected between the two fixing seats, the moving plate 222 is sleeved on the guide, the telescopic cylinder 223 is fixedly connected to the moving plate 222 and the piston rod thereof is connected to a guide thereof, and the upper convex end of the fixed plate 221 and the upper convex end of the moving plate 222 constitute a release part. Therefore, the movable plate 222 can be close to or far from the fixed plate 221 through the telescopic cylinder 223, so that the brake shoe tensioning assembly 6 can be loosened or tensioned and pressed on the brake shoe 64, and meanwhile, the brake shoe tensioning assembly 6 can be prevented from deviating in the translation process of the workbench 21. When there is only one telescopic positioning column 61, the upper convex end of the moving plate 222 and the upper convex end of the fixing plate 221 are respectively provided with an arc-shaped positioning slot matched with the outer contour of the telescopic positioning column 61.

The workbench translation mechanism 23 is preferably an air cylinder, is arranged on one side of the frame 1 far away from the first position, is fixedly connected with the workbench 21 at the tail end of a piston rod, and drives the workbench 21 to translate back and forth between the first position and the second position through the extension and retraction of the piston rod.

In addition, the feeding device 2 further comprises a buffer mechanism, the buffer mechanism is fixedly arranged on the rack 1, and when the workbench 21 is located at the second position, the buffer mechanism abuts against the buffer mechanism, and the buffer mechanism is an air spring or a buffer plastic block.

In this embodiment, the pressing device 3 includes a pressing plate 31, positioning guide pillars 32, a sliding sleeve, and a pressing plate moving mechanism 33, and the positioning guide pillars 32 are vertically fixed on the upper portion and symmetrically distributed on the periphery of the first slide rail 232, so that the translation of the working table 21 between the first position and the second position is not interfered. The sliding sleeve is arranged on the pressing plate 31 and is slidably arranged on the positioning guide post 32, the pressing plate moving mechanism 33 preferably adopts an air cylinder and is fixedly arranged at the top end of the positioning guide post 32, the output end of the pressing plate moving mechanism is connected with the pressing plate 31 so as to enable the pressing plate 31 to vertically reciprocate at the second position, the pressing plate 31 is used as a flattening working part of the flattening device 3, when the workbench 21 is pulled to the second position and is stopped, the pressing plate moving mechanism 33 acts to push the pressing plate 31 downwards to the brake shoe tensioning assembly 6, and the uneven surface of the brake shoe 64 after being compounded is pressed, so that the surface of the friction block is consistent with the surface flatness of the steel plate and the bonding heat insulation layer.

In this embodiment, the material transferring device 4 includes a first material clamping mechanism 41, a material receiving tray 42 and a material receiving tray translation mechanism 43, a second slide rail 432 parallel to a connection line between the third position and the fourth position is disposed on the rack 1, a flat plate 44 is fixedly mounted above the rack 1 where the worktable translation mechanism 23 is located, and the second slide rail 432 is mounted on the flat plate 44, so that the mounting height of the second slide rail 432 is higher than the mounting height of the first slide rail 232, and mutual interference cannot occur. The material receiving disc 42 is in sliding fit with the second sliding rail 432 through the second sliding block 431 installed at the bottom of the material receiving disc 42, the bottom surface of the material receiving disc 42 is higher than the table surface of the workbench 21, the material receiving disc translation mechanism 43 is installed on the rack 1, the output end of the material receiving disc translation mechanism is fixedly connected with the material receiving disc 42, the material receiving disc 42 can be driven to reciprocate between a third position and a fourth position along the second sliding rail 432 through the material receiving disc translation mechanism 43, the material receiving disc translation mechanism 43 preferably adopts an air cylinder, and is fixedly installed on the flat plate 44, and the piston rod of the material receiving disc 42 is fixedly connected. In addition, since the pressing plate 31 of the flattening device 3 is designed to have a large surface area to ensure the pressing effect on the brake shoe tensioning assembly 6, one end of the second slide rail 432 of the present embodiment does not extend into the space of the flattening device 3 but is close to the space of the flattening device 3.

The take-up reel 42 includes disk body 421, anti-skidding cushion 422 and two support bodies 423, two support bodies 423 pass through second slider 431 sliding fit on second slide rail 432 and the common horizontally connected of its respective one end have disk body 421, can guarantee like this that disk body 421 can stretch to the third position while can be again at linear motion between third position and the fourth position, set up anti-skidding cushion 422 in order to avoid brake shoe tensioning assembly 6 and brake shoe 64 to take place to translocate and cause the smooth normal operation of subsequent order action in take-up reel 42 in disk body 421. In order to further enhance the position consistency of the brake shoe tensioning assembly 6 on the material receiving disc 42, in this embodiment, a positioning member 424 is further fixedly mounted on the disc body 421, a positioning groove matched with the compression spring 62 is concavely formed on the top of the positioning member 424, and the compression spring 62 of the brake shoe tensioning assembly 6 just falls into the positioning groove.

The first material clamping mechanism 41 is installed on the flattening working part of the flattening device 3, namely at the bottom of the pressing plate 31, and is used for clamping the brake shoe tensioning assembly 6 and the brake shoe 64 upwards from the second position to a position above a third position under the driving of the pressing plate moving mechanism 33 after flattening, and then releasing the brake shoe tensioning assembly 6 and the brake shoe 64 in the material receiving disc 42 when the material receiving disc 42 extends to the third position. The reset height of the pressing plate 31 is controlled to make the height difference between the plate surface of the receiving plate 42 and the height difference which is clamped by the first clamping mechanism 41 and is above the third position small, and if the height difference is large, the pressing plate 31 can move downwards for a certain distance by the translation mechanism and then be released.

As a preferred embodiment of the first material clamping mechanism 41: as shown in fig. 8 or 9, the first clamping mechanism 41 includes two clamping assemblies symmetrically disposed on the bottom surface of the pressing plate 31, each clamping assembly includes a clamping cylinder 411 fixedly mounted on the bottom surface of the pressing portion and a clamping plate 412 fixedly connected to the end of the piston rod of the clamping cylinder 411, and the acting surface of the clamping plate 412 is matched with the outer peripheral surface of the brake pad 64. In order to ensure the stability of the two material clamping components to the brake shoe tensioning assembly 6, the two material clamping cylinders 411 are arranged oppositely, and the two material clamping plates 412 are clamped at the centers of the two ends of the brake shoe tensioning assembly 6. Because the clamping components are respectively arranged at two sides of the brake shoe tensioning assembly 6 and the distance between the lowest end of the clamping components and the bottom surface of the pressing plate 31 is smaller than the height of the brake shoe tensioning assembly 6, the clamping components are not pressed when the pressing plate 31 is pressed down, the two clamping plates 412 are clamped oppositely after being pressed, and the two clamping plates 412 are separated and released after the material receiving disc 42 is in place.

As another preferred embodiment of the first material clamping mechanism 41: as shown in fig. 10 or 11, the first material clamping mechanism 41 includes two material clamping assemblies symmetrically disposed on the bottom surface of the flattening working portion, each material clamping assembly includes a material clamping cylinder 411, a connecting plate 413, two sliding columns 415, two guide seats 414, and two material clamping plates 412, the material clamping cylinder 411 and the guide seats 414 are both fixedly arranged on the bottom surface of the flattening working part, the two guide seats 414 correspond to the two ends of the friction block of the brake shoe 64 on the side, a guide hole pointing to the circle center of the brake shoe 64 on the side is arranged in each guide seat 414 in a penetrating manner, the connecting plate 413 is fixedly connected to the end of the piston rod of the material clamping cylinder 411, two ends of the connecting plate 413 are respectively hinged with one sliding column 415, the sliding columns 415 are in sliding fit with the guide holes, the other end of each sliding column 415 is fixedly provided with a material clamping plate 412, and the action surface of the material clamping plate 412 is matched with the outer peripheral surface of the brake shoe 64. In the clamping state, the clamping cylinder 411 acts to enable the sliding column 415 to be pressed inwards along the guide hole and enable the material clamping plate 412 to press against the sleeve ring 63 and apply force to the brake shoe 64, and in the releasing state, the clamping cylinder 411 is reset to enable the sliding column 415 to slide outwards along the guide hole and enable the material clamping plate 412 to be separated from the sleeve ring 63.

The above two preferred embodiments of the first material clamping mechanism 41 can be applied, wherein the two ends of one side of the brake shoe tensioning assembly 6 are respectively subjected to the radial acting force of the material clamping plate, so that the uniform acting force at each bonding position of the steel plate and the friction block is greatly improved, the bonding strength is enhanced, the acting force is applied to the brake shoe 64 by fully utilizing the time of material transferring after flattening, the tensioning and pressing time of the brake shoe 64 and the cycle recycling period of the lantern ring 63 can be shortened, and the production efficiency is improved.

In this embodiment, the blanking device 5 includes a second material clamping mechanism 51, a lifting mechanism 52, a blanking moving mechanism 54 and a third slide rail, an aluminum strip is fixedly mounted on the upper portion of the frame 1, the blanking moving mechanism 54 and the third slide rail are arranged on the aluminum strip in parallel, the blanking moving mechanism 54 is in sliding fit with the third slide rail, the lifting mechanism 52 is mounted on the blanking moving mechanism 54, and the second material clamping mechanism 51 is mounted on the blanking moving mechanism 54.

Specifically, the method comprises the following steps: the blanking translation mechanism comprises a belt conveyor and a third sliding block 53, the third sliding block 53 is fixedly installed on a belt of the belt conveyor, and one end of the third sliding block 53 is in sliding fit with a third sliding rail. The lifting mechanism 52 is a lifting cylinder, the cylinder body of the lifting cylinder is fixedly mounted on the third sliding block 53, the piston rod of the lifting cylinder is vertically downward and connected with a mounting flat plate, the second material clamping mechanism 51 is mounted at the bottom of the mounting flat plate, the structure of the second material clamping mechanism 51 can adopt one of the preferred embodiments of the first material clamping mechanism 41, or adopt a combined structure of a double-acting cylinder and two side material clamping plates, as shown in fig. 1, and the adoption of the structure acting on the two ends of the friction block is also beneficial to greatly improving the uniform acting force of each bonding part of the steel plate and the friction block, enhancing the bonding strength, and simultaneously fully utilizing the blanking period after material transfer to apply acting force on the brake shoe 64, thus shortening the tensioning and pressing time of the brake shoe 64 and the cycle recycling period of the lantern ring 63 and improving the production efficiency.

The moving positions of the worktable translation mechanism 23, the material receiving tray translation mechanism 43, the pressing plate 31 translation mechanism, the lifting mechanism 52, the blanking translation mechanism and other mechanisms can be controlled by setting the stroke of the cylinder or combining sensor technologies such as a photoelectric switch and the like, and the method is a conventional technology and is not repeated herein.

Further, in order to avoid that the previous workpiece is still left on the receiving tray 42 due to the fact that the operation of the blanking device 5 is not completed in place, so as to ensure the safety of the whole operation process and reduce the overhaul and shutdown conditions of the equipment, in the embodiment, a photoelectric emitter and a photoelectric receiver are further respectively arranged on the left side and the right side of the rack 1 and at positions corresponding to the third position in the transverse direction, the photoelectric emitter and the photoelectric receiver form a workpiece detection switch 11, and if the previous workpiece is not taken away, the operation of the next workpiece can be timely detected and found and stopped.

The utility model discloses an use flow: the workbench 21 is at a first position, the movable plate 222 of the tension releasing mechanism 22 is away from the fixed plate 221 and is in a non-working state, the telescopic positioning column 61 and the compression spring 62 which are in an initial state are assembled and placed at a position of a releasing working part, then the telescopic cylinder 223 acts to compress the compression spring 62 and is in a releasing state, then the steel plate and the friction block are assembled and placed at two sides of the telescopic positioning column 61, the sleeve ring 63 is sleeved on the periphery, the telescopic cylinder 223 resets, so that the brake shoe tension assembly 6 is in a tension state to clamp the brake shoe 64, then the workbench translation mechanism 23 acts to send the workbench 21, the brake shoe tension assembly 6 and the brake shoe 64 to a second position, and the feeding process is completed;

the workbench 21 is kept at the second position, the translation mechanism of the pressure plate 31 acts to press the pressure plate 31 downwards to press the uneven surface of the brake shoe 64 after compounding, so that the flatness of the surface of the friction block is consistent with that of the surfaces of the steel plate and the bonded heat insulation layer, and the flattening process is completed;

then the first clamping mechanism 41 acts to clamp the brake shoe tensioning assembly 6 and the brake shoe 64, the pressing plate 31 translation mechanism is pulled upwards to a position above the third position, in the pulling process, the workbench translation mechanism 23 acts to push the workbench 21 to the first position to perform the feeding process of the next brake shoe 64, the material receiving disc translation mechanism 43 acts to send the material receiving disc 42 to the third position, after the material receiving disc 42 reaches the third position, the first clamping mechanism 41 is released to enable the brake shoe tensioning assembly 6 and the brake shoe 64 to stably fall on the anti-skid rubber pad 422 in the material receiving disc 42, then the material receiving disc translation mechanism 43 acts reversely to send the material receiving disc 42, the brake shoe tensioning assembly 6 and the brake shoe 64 to the fourth position, and therefore the material transferring process is completed;

when the take-up disc 42 reaches the fourth position, the lifting mechanism 52 drives the second clamping mechanism 51 to move downwards to the right position, the second clamping mechanism 51 drives the brake shoe tensioning assembly 6 and the brake shoe 64 to be clamped, the lifting mechanism 52 reversely rises or rises to the right position, and the blanking translation mechanism drives the brake shoe tensioning assembly 6 and the brake shoe 64 to be conveyed to a conveying belt on one side, so that the blanking process is completed.

Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides an automatic change material brake lining assembly line that flattens which characterized in that: including the frame and set up loading attachment, flattening device, commentaries on classics material device and unloader in the frame respectively, wherein: the feeding device is used for conveying brake shoes to the second position from the first position, the flattening device is used for flattening the brake shoes at the second position from top to bottom, the material transferring device is used for conveying the brake shoes to the fourth position from the third position, the discharging device is used for moving the brake shoes away from the rack from the fourth position, the third position is right above the second position, the first position and the second position are at the same level, and the third position and the fourth position are at the same level.

2. The automatic material transferring brake shoe flattening production line of claim 1, characterized in that: the feeding device comprises a workbench, a tension relieving mechanism and a workbench translation mechanism, wherein a first sliding rail parallel to a connecting line of a first position and a second position is arranged on the rack, the workbench is in sliding fit with the first sliding rail, the workbench translation mechanism is arranged on the rack, the output end of the workbench translation mechanism is fixedly connected with the workbench, and the tension relieving mechanism is arranged on the workbench to enable the brake shoe tension assembly to be loosened.

3. The automatic material transferring brake shoe flattening production line of claim 2, wherein the tensioning relieving mechanism comprises a guide assembly, a fixed plate, a movable plate and a telescopic cylinder, the fixed plate is fixedly arranged on the workbench, the top end of the fixed plate protrudes upwards relative to the workbench, the movable plate is slidably sleeved on the guide assembly, the top end of the movable plate protrudes upwards relative to the workbench, the telescopic cylinder is fixedly connected to the movable plate, a piston rod of the telescopic cylinder is connected to the guide assembly, and the upper protruding end of the fixed plate and the upper protruding end of the movable plate form a relieving work portion.

4. The automatic material transferring brake shoe flattening production line of claim 2, characterized in that: the feeding device further comprises a buffer mechanism, the buffer mechanism is fixedly arranged on the rack, and when the workbench is located at the second position, the buffer mechanism is abutted to the workbench.

5. The automatic material transferring brake shoe flattening production line of claim 1, characterized in that: the flattening device comprises a pressing plate, a positioning guide pillar, a sliding sleeve and a pressing plate moving mechanism, the positioning guide pillar is vertically and fixedly arranged on the pressing plate and symmetrically distributed, the sliding sleeve is arranged on the pressing plate and can be arranged on the positioning guide pillar in a sliding mode, the pressing plate moving mechanism is fixedly arranged at the top end of the positioning guide pillar, the output end of the pressing plate moving mechanism is connected with the pressing plate, so that the pressing plate vertically reciprocates at a second position, and the pressing plate serves as a flattening working part of the flattening device.

6. The automatic material transferring brake shoe flattening production line of claim 1, characterized in that: the material transferring device comprises a first material clamping mechanism, a material receiving disc and a material receiving disc translation mechanism, a second sliding rail parallel to a third position and a fourth position connecting line is arranged on the rack, the material receiving disc is in sliding fit on the second sliding rail, the bottom surface of the material receiving disc is higher than the table surface of the workbench, the material receiving disc translation mechanism is installed on the rack, the output end of the material receiving disc is fixedly connected with the material receiving disc, and the first material clamping mechanism is installed on a flattening working part of a flattening device.

7. The automatic material transferring brake shoe flattening production line according to claim 6, wherein the first material clamping mechanism comprises two material clamping assemblies symmetrically arranged on the bottom surface of the flattening working portion, each material clamping assembly comprises a material clamping cylinder fixedly mounted on the bottom surface of the flattening working portion and a material clamping plate fixedly connected to the tail end of a piston rod of the material clamping cylinder, and the action surfaces of the material clamping plates are matched with the peripheral surface of the brake shoe.

8. The automatic material transfer brake shoe flattening line of claim 6, the first material clamping mechanism comprises two material clamping components which are symmetrically arranged on the bottom surface of the flattening working part, each material clamping component comprises a material clamping cylinder, a connecting plate, two sliding columns, two guide seats and two material clamping plates, the material clamping cylinder and the guide seats are fixedly arranged on the bottom surface of the flattening working part, the two guide seats correspond to the two ends of the friction block of the brake shoe on the side, a guide hole pointing to the circle center of the brake shoe on the side is arranged in each guide seat in a penetrating manner, the end of a piston rod of the material clamping cylinder is fixedly connected with the connecting plate, two ends of the connecting plate are respectively hinged with one sliding column, the sliding columns are in sliding fit in the guide holes, the other end of each sliding column is fixedly provided with a material clamping plate, and the action surface of the material clamping plate is matched with the peripheral surface of the brake pad.

9. The automatic material transferring brake shoe flattening production line of claim 1, characterized in that: the blanking device comprises a second clamping mechanism, a lifting mechanism, a blanking moving mechanism and a third sliding rail, the blanking moving mechanism and the third sliding rail are arranged on the upper portion of the frame in parallel, the blanking moving mechanism is in sliding fit with the third sliding rail, the lifting mechanism is arranged on the blanking moving mechanism, and the second clamping mechanism is arranged on the blanking moving mechanism.

10. The automatic material transferring brake shoe flattening production line of claim 9, characterized in that: and workpiece detection switches are arranged on the left side and the right side of the rack and at positions corresponding to the third position in the transverse direction.