A pressing device for brake pad production

Abstract

The application discloses a pressing equipment for brake pad production and particularly relates to the technical field of brake pad production equipment, which comprises a base and two hydraulic cylinders two, four vertical rods, an operating table plate fixedly arranged at the upper ends of the vertical rods, a feeding device arranged at the rear upper end of the operating table plate, a stamping mechanism fixedly connected to the lower part of the hydraulic cylinder one and extending from the middle part of the upper end of the horizontal part of the portal frame, and a forming device arranged at the middle part of the upper end of the operating table plate. The pressing equipment for brake pad production integrates the friction material feeding process and the friction material forming piece discharging process, and can realize feeding and discharging through the feeding frame by the cooperation of the hydraulic cylinder one and the stamping mechanism during the operation of the hydraulic cylinder one, so that the production cost is reduced, and the power generated during the operation of the hydraulic cylinder one is fully utilized to improve the energy utilization rate.

Description

Technical Field

[0001] This invention relates to the field of brake pad manufacturing equipment technology, and in particular to a pressing device for brake pad manufacturing. Background Technology

[0002] Brake pads, also known as brake discs, are the most critical safety component in a car's braking system. The effectiveness of braking depends entirely on the brake pads.

[0003] Brake pads are generally composed of a steel plate, an adhesive heat insulation layer, and friction blocks. The heat insulation layer is made of a non-heat-conducting material and is used for heat insulation. The friction blocks are composed of friction materials, adhesives, etc., and are pressed against the brake disc and brake drum during braking to generate friction, thereby achieving the purpose of vehicle deceleration and braking.

[0004] During the production process, friction blocks are made by mixing friction materials, adhesives, etc., placing them in a mold, and then pressing them under high pressure using a stamping device to finally obtain the shaped friction blocks.

[0005] Chinese patent document CN112208042A discloses a brake pad pressing device that facilitates rapid mold replacement. The device includes a bracket with a lifting device mounted on it. The lifting device has a positioning hole formed at its bottom. The lifting device is connected to a first gear via a rotating mechanism, and the first gear meshes with a second gear. Both the first and second gears are connected to L-shaped fixing rods. An upper mold is detachably connected to the lifting device, with a positioning post fixed to its top and fixing grooves formed on both sides. A mounting base is installed below the lifting device, and a lower mold is detachably connected to the mounting base. While the above patent document has a simple structure and is easy to use, allowing for rapid replacement of the upper and lower molds, thus improving mold replacement speed and saving time, it still has the following drawbacks in practice:

[0006] Although the aforementioned patent documents allow for quick mold replacement during implementation, material loading and unloading must be performed separately, resulting in high production costs and low energy efficiency. Summary of the Invention

[0007] The main objective of this invention is to provide a pressing device for brake pad production, which can effectively solve the problems of separate feeding and unloading during use, high production costs, and low energy utilization.

[0008] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0009] A pressing device for brake pad production includes a base, four uprights and two hydraulic cylinders. The four uprights are fixedly installed at the four corners of the upper end of the base, and the two hydraulic cylinders are symmetrically installed on the outer side of the upper end of the base.

[0010] An operating platform is fixedly installed on the upper ends of the four uprights. A gantry frame is fixedly installed on the upper left and upper right sides of the operating platform. A feeding device is provided at the rear of the upper end of the operating platform. A hydraulic cylinder and two pulley structures are fixedly connected to the middle of the upper end of the gantry frame. The hydraulic cylinder is located between the two pulley structures. The lower end of the piston rod of the output end of the hydraulic cylinder extends through the middle of the upper end of the horizontal part of the gantry frame to the lower part and is fixedly connected to a stamping mechanism. A forming device is provided at the middle of the upper end of the operating platform. A feeding slide is provided at the middle of the front end of the operating platform. A collection box is provided at the front end of the base. A support frame for supporting the forming device is provided at the middle of the upper end of the base.

[0011] Preferably, the upper middle part of the operating platform has a placement groove 1 that communicates with the lower end. The upper left and upper right sides of the placement groove 1 are symmetrically provided with placement groove 2. The upper left and upper right parts of the operating platform have two guide grooves symmetrically provided. The two guide grooves on the same side are respectively located between the vertical part of the gantry and the placement groove 1. The middle part of the rear end of the operating platform has an installation groove 2. The rear end of the operating platform has installation groove 1 located on the left and right sides of the installation groove 2, respectively.

[0012] Preferably, the feeding device includes a drive plate, two connecting ropes, and two pulley structures. The front of the outer surface of the drive plate is slidably connected to the inner cavity of the mounting groove. The lower left and lower right sides of the front end of the drive plate are symmetrically provided with sliding plates that slide in the inner cavity of the mounting groove on the same side. Push rods are fixedly connected to the front of the upper ends of the two sliding plates. The front ends of the two push rods are fixedly connected to a feeding frame. The left and right rear ends of the push rods are symmetrically provided with moving grooves that communicate with the front end and cooperate with the forming device. A spring is provided between the middle of the front end of the drive plate and the rear side wall of the inner cavity of the mounting groove.

[0013] Preferably, one end of each of the two connecting ropes is located on the upper left and right sides of the front end of the drive plate, respectively. Both pulley structures are fixed to the middle of the rear side of the upper end of the operating platform, and both pulley structures are located between the two push rods. The two connecting ropes are respectively wound inside the pulley structure and pulley structure on the same side. The other end of each of the two connecting ropes extends through the upper end of the horizontal part of the gantry frame to the lower part and is fixed on the stamping mechanism.

[0014] Preferably, the stamping mechanism includes a mounting plate fixed to the lower end of the piston rod at the output end of a hydraulic cylinder. An upper die core is fixedly connected to the lower end of the mounting plate. Mounting housings are symmetrically arranged on the left and right sides of the upper end of the mounting plate. Locking blocks are slidably arranged in the inner cavities of the four mounting housings. Drive plates are fixedly connected to the middle of the left side and the middle of the right side of the upper end of the mounting plate. Two pull rods are provided at the lower ends of the two drive plates, extending through the drive plates on the same side to the upper part. The two pull rods on the same side extend through the inner cavities of the two guide grooves on the same side to the lower part. Elliptical rubber balls are provided on the lower part of the outer surface of the four pull rods. The horizontal position of the two elliptical rubber balls on the outer side is higher than the horizontal position of the two elliptical rubber balls on the inner side. Locking pins are threadedly connected to the lower ends of the two pull rods on the inner side.

[0015] A damping coating is provided between the outer surfaces of the two tie rods and the drive plate on the same side;

[0016] The outermost elliptical rubber ball is smaller than the adjacent elliptical rubber ball.

[0017] Preferably, the ends of the four mounting housings furthest from the hydraulic cylinder are all connected to the inner cavities of the mounting housings on the same side, and magnets are provided at the ends of the inner cavities of the four mounting housings near the piston rod at the output end of the hydraulic cylinder.

[0018] Preferably, the molding device includes a top block, a mold is fixedly connected to the upper end of the top block, and follow-up mechanisms are symmetrically provided at the left and right ends of the mold;

[0019] The follower mechanism includes a follower plate. A concave rod two is fixedly connected to the upper end of the follower plate near the mold. A locking shell fixed to the lower end of the operating table is sleeved on the outer surface of the concave rod two. Two follower holes communicating with the lower end of the follower plate are opened on the upper end of the follower plate away from the mold. A follower groove is opened on the upper end of the follower plate between the two follower holes on the same side and communicating with the lower end of the follower plate. The inner cavity of the follower groove is provided with a locking structure fixed to the lower end of the operating table. A concave rod one located between the two follower holes on the same side is fixedly connected to the upper end of the follower plate.

[0020] The mold has symmetrical fixed connections at its left and right ends, with lifting rings and push plates respectively placed in the inner cavity of the same side placement slot.

[0021] Preferably, the locking structure includes two L-shaped plates fixed to the lower end of the operating platform. The horizontal portions of the two L-shaped plates on the same side are fixedly connected to one end of each other with an arc-shaped elastic clip. The upper and lower ends of the two arc-shaped elastic clips on the same side are provided with outward folding angles.

[0022] Preferably, each of the two locking housings has an arc-shaped elastic clip on the side of its lower end that is close to each other, and each of the two arc-shaped elastic clips also has an outward folding angle at its lower end.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. In the implementation of this invention, the process of feeding friction materials and unloading friction material forming parts are integrated into one, so that the feeding and unloading can be completed by the hydraulic cylinder and the stamping mechanism working together during operation, through the feeding frame. This not only reduces production costs, but also makes full use of the power generated by the hydraulic cylinder during operation, thereby improving the energy utilization rate.

[0025] 2. During the movement of the feeding frame, the friction material stored in the inner cavity of the feeding frame is scraped into the inner cavity of the mold. When the friction material is stamped by the stamping mechanism, the feeding frame moves to the front of the stamping mechanism and will not affect the stamping process of the stamping mechanism. During the movement of the feeding frame, the upper end of the friction material can be scraped flat by the feeding frame, which improves the stamping accuracy and the accuracy of the finished part size.

[0026] 3. In the process of the feeding frame returning to its initial position, the two outer elliptical rubber balls first cooperate with the follower plate to lift the friction material forming part a certain distance. This can compensate for the height difference generated during the process of pressing the loose friction material into a dense friction block. This prevents the friction material filled in the inner cavity of the feeding frame from entering the mold cavity during the backward movement of the feeding frame, thus avoiding waste of friction material. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective;

[0029] Figure 3 This is a schematic diagram of the overall structure and operating state of the present invention;

[0030] Figure 4 This is a schematic diagram of the detailed structure of the operating platform of the present invention;

[0031] Figure 5 This is a partial schematic diagram of the overall structure of the present invention;

[0032] Figure 6 This is a partial structural diagram of the feeding device of the present invention;

[0033] Figure 7 For the present invention Figure 5 Enlarged view of point A in the middle;

[0034] Figure 8 This is a schematic diagram of the overall structure of the molding device of the present invention;

[0035] Figure 9 This is a schematic diagram showing the overall structure of the molding device of the present invention in an explosion-proof configuration.

[0036] Figure 10 This is a partial structural diagram of the follower mechanism of the present invention;

[0037] Figure 11 This is a schematic diagram of a partial structure of the follower mechanism of the present invention from another perspective;

[0038] Figure 12 For the present invention Figure 11 Enlarged diagram of point B in the middle.

[0039] In the diagram: 1. Base; 2. Upright pole; 3. Operating platform; 31. Mounting slot one; 32. Mounting slot two; 33. Placement slot one; 34. Placement slot two; 35. Guide slot; 4. Gantry frame; 5. Feeding device; 50. Connecting rope; 51. Drive plate one; 52. Sliding plate; 53. Pulley structure two; 54. Push rod; 55. Moving slot; 56. Feeding frame; 57. Spring one; 6. Hydraulic cylinder one; 7. Pulley structure one; 8. Stamping mechanism; 81. Mounting plate; 82. Mounting housing; 83. Locking block; 84. Drive plate two; 85. Pull rod; 8 6. Elliptical rubber ball; 87. Locking post; 88. Upper mold core; 9. Molding device; 91. Top block; 92. Mold; 921. Lifting ring; 922. Push plate; 93. Follower mechanism; 931. Follower hole; 932. Concave rod one; 933. Follower plate; 934. Concave rod two; 935. Locking shell; 9351. Arc-shaped elastic clamp one; 936. Locking structure; 9361. L-shaped plate; 9362. Arc-shaped elastic clamp two; 937. Follower groove; 10. Feeding slide; 11. Collection box; 12. Support frame; 13. Hydraulic cylinder two. Detailed Implementation

[0040] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0041] Example 1

[0042] like Figure 1 , Figure 2 and Figure 3 As shown, a pressing device for brake pad production includes a base 1, four uprights 2 and two hydraulic cylinders 13. The four uprights 2 are fixedly installed at the four corners of the upper end of the base 1, and the two hydraulic cylinders 13 are symmetrically installed on the outer side of the upper end of the base 1.

[0043] The shape, structure, and size of the base 1 mentioned above are all conventional designs in the prior art. In this embodiment, it is only necessary to satisfy the requirement that it can support the upright 2, support frame 12, and hydraulic cylinder 13, and can be installed on them. In the specific production process, it can be appropriately adjusted and changed according to the site conditions.

[0044] Meanwhile, the shape and structure of the aforementioned support frame 12 only need to satisfy the requirement of supporting the forming device 9 and preventing the subsequent tie rod 85 from moving further after it has moved a certain path.

[0045] In this scheme, the four uprights 2 mentioned above are all of a split structure. Each upright 2 is divided into an upper part and a lower part. A guide rod is installed at the lower end of the upper part, and a guide hole is opened at the upper end of the lower part to cooperate with the guide rod. During implementation, the guide rod and the guide hole cooperate with each other and, with the cooperation of two hydraulic cylinders 13, drive the mechanical parts on the upper part of the operating platform 3 to move, providing space for changing the molding device 9, etc.

[0046] Specifically, in order to allow for the simultaneous feeding of materials and removal of the pressed finished parts during implementation, please refer to... Figure 1 , Figure 2 and Figure 3 In this embodiment, an operating platform 3 is fixedly installed on the upper ends of the four uprights 2. A gantry frame 4 is fixedly installed on the upper left and upper right sides of the operating platform 3. A feeding device 5 is provided at the upper rear of the operating platform 3. A hydraulic cylinder 6 and two pulley structures 7 are fixedly connected to the upper middle of the gantry frame 4. The hydraulic cylinder 6 is located between the two pulley structures 7. The lower end of the piston rod at the output end of the hydraulic cylinder 6 extends through the upper middle of the horizontal part of the gantry frame 4 to the lower part and is fixedly connected to a stamping mechanism 8. A forming device 9 is provided at the upper middle of the operating platform 3. A feeding slide 10 is provided at the front middle of the operating platform 3. A collection box 11 is provided at the front of the base 1. A support frame 12 for supporting the forming device 9 is provided at the upper middle of the base 1.

[0047] In the above-mentioned implementation process, the mixed friction material is placed inside the feeding device 5, and then the hydraulic cylinder 6 is activated. Under the action of the hydraulic cylinder 6, the stamping mechanism 8 is driven to move downward, and at the same time, the feeding device 5 is driven to move forward, pouring the friction material into the forming device 9. Then the feeding device 5 moves to the front of the stamping mechanism 8, and the stamping mechanism 8 stamps the friction material inside the forming device 9 to press it into shape. Next, the hydraulic cylinder 6 is activated in the reverse direction. During the process of the hydraulic cylinder 6 returning to the initial state, the formed friction material moves upward, so that the upper end of the finished product is on the same horizontal line as the upper end of the operating table 3. At this time, the feeding device 5 also gradually returns to the initial state. Through the continued operation of the hydraulic cylinder 6 and under the action of the stamping mechanism 8, the finished part is ejected through the forming device 9.

[0048] As the feeding device 5 continues to move forward, the finished product will be pushed into the inner cavity of the collection box 11 through the feeding slide 10 for collection.

[0049] Specifically, in order to achieve the purpose of allowing the feeding device 5 to move back and forth under the action of the hydraulic cylinder 6, refer to... Figure 4 , Figure 5 and Figure 6 The upper middle part of the operating platform 3 is provided with a placement groove 33 that communicates with the lower end, the middle part of the rear end of the operating platform 3 is provided with a mounting groove 32, and the rear end of the operating platform 3 is provided with mounting grooves 31 located on the left and right sides of the mounting groove 32 respectively.

[0050] Placement slot 2 34 is symmetrically provided on the upper part of the left side wall and the upper part of the right side wall of placement slot 1 33. Two guide slots 35 on the same side are located between the vertical part of the gantry frame 4 and placement slot 1 33.

[0051] Furthermore, the left and right ends of the mold 92 are symmetrically fixedly connected with lifting rings 921 and push plates 922, which are respectively placed in the inner cavity of the placement slot 33 on the same side;

[0052] In the above-mentioned mounting groove 31, the depth is greater than the length of the sliding plate 52, and the length of the part of the inner cavity of the mounting groove 31 that connects to the upper end of the operating table 3 is less than the depth of the mounting groove 31.

[0053] The placement slot 33 mentioned above is used to place the mold 92, and the four placement slots 34 mentioned above are used to place the lifting ring 921 and the push plate 922, respectively.

[0054] The lifting ring 921 is for easy removal of the mold 92 via the stamping mechanism 8 for replacement. Secondly, the shape and size of the push plate 922 are the same as the inner cavity of the placement groove 34. The push plate 922 is for scraping out the friction material that falls into the inner cavity of the placement groove 34 during the lifting of the mold 92. This ensures that the friction material does not affect the accuracy of the new mold 92 during the subsequent installation process, and there is no need to clean the inner cavity of the placement groove 34 separately. It is convenient to use and saves manpower and resources.

[0055] For further details, please refer to [link / reference]. Figure 4 , Figure 5 and Figure 6In this embodiment, the feeding device 5, as shown in the figure, includes a drive plate 51, two connecting ropes 50, and two pulley structures 53. The front part of the outer surface of the drive plate 51 is slidably connected to the inner cavity of the mounting groove 32. The lower left and lower right sides of the front end of the drive plate 51 are symmetrically provided with sliding plates 52 that slide in the inner cavity of the mounting groove 31 on the same side. The upper front of the two sliding plates 52 are fixedly connected with push rods 54. The front ends of the two push rods 54 are fixedly connected to a feeding frame 56. The left and right rear ends of the push rods 54 are symmetrically provided with moving grooves 55 that communicate with the front end and cooperate with the forming device 9. A spring 57 is provided between the middle of the front end of the drive plate 51 and the rear side wall of the inner cavity of the mounting groove 32.

[0056] The two pulley structures 53 and 7 mentioned above are both composed of a concave mounting bracket and a fixed pulley. The fixed pulley is rotatably connected to the concave mounting bracket and installed on the upper end of the hydraulic cylinder 6 and the rear end of the operating platform 3 respectively through the concave mounting bracket. During implementation, the connecting rope 50 is wound around the outer surface of the two fixed pulleys on the same side.

[0057] The installation method shown in the diagram can achieve the purpose of driving the feeding device 5 by moving the stamping mechanism 8 in this solution.

[0058] For further details, please refer to [link / reference]. Figure 4 , Figure 5 ,and Figure 6 In this embodiment, one end of each of the two connecting ropes 50 is located on the upper left and right sides of the front end of the drive plate 1 51, and the two pulley structures 2 53 are fixed to the middle of the upper rear side of the operating platform 3. The two pulley structures 2 53 are located between the two push rods 54. The two connecting ropes 50 are respectively wrapped inside the pulley structure 2 53 and the pulley structure 1 7 on the same side. The other end of each of the two connecting ropes 50 passes through the upper end of the horizontal part of the gantry frame 4 and extends to the lower part and is fixed on the stamping mechanism 8.

[0059] In summary, during the stamping process, the friction material is first poured into the inner cavity of the feeding frame 56. Then, the hydraulic cylinder 6 is activated to pull the two connecting ropes 50 through the stamping mechanism 8. Then, under the direction of the pulley structure 53 and the pulley structure 7, the drive plate 51 is pulled forward. At this time, the two sliding plates 52 slide towards the inner cavity of the mounting groove 31 on the same side, pushing the push rod 54 and the feeding frame 56 forward synchronously. Under the action of the drive plate 51, the spring 57 is compressed to generate elastic force.

[0060] During the movement of the feeding frame 56, the friction material stored in the inner cavity of the feeding frame 56 is scraped into the forming device 9. When the stamping mechanism 8 is about to stamp the friction material, the feeding frame 56 moves to the front of the stamping mechanism 8, so as not to affect the stamping process of the stamping mechanism 8. During the movement of the feeding frame 56, the upper end of the friction material can be scraped flat by the feeding frame 56, thereby improving the stamping accuracy and the accuracy of the finished part size.

[0061] Example 2

[0062] This embodiment optimizes the stamping mechanism 8 and the forming device 9 based on the first embodiment, so that the finished part can be taken out after stamping by the stamping mechanism 8 and the forming device 9.

[0063] Specifically, to achieve the above objectives, please refer to Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 and Figure 12 In this embodiment, the stamping mechanism 8 includes a mounting plate 81 fixed to the lower end of the piston rod at the output end of the hydraulic cylinder 6. An upper mold core 88 is fixedly connected to the lower end of the mounting plate 81. Mounting housings 82 are symmetrically provided on the upper left and upper right sides of the mounting plate 81. Locking blocks 83 are slidably provided in the inner cavities of the four mounting housings 82. A second drive plate 84 is fixedly connected to the middle of the left side and the middle of the right side of the upper end of the mounting plate 81. Two pull rods 85 are provided at the lower ends of the two second drive plates 84, extending through the second drive plates 84 on the same side to the upper part. Two guide grooves 35 are symmetrically provided on the upper left and upper right sides of the operating table 3.

[0064] Damping coatings are provided between the outer surfaces of the two tie rods 85 and the drive plate 84 on the same side;

[0065] The molding device 9 includes a top block 91, a mold 92 is fixedly connected to the upper end of the top block 91, and follow-up mechanisms 93 are symmetrically provided on the left and right ends of the mold 92;

[0066] The top block 91 mentioned above is divided into two parts: one is a lower mold core with the same shape as the upper mold core 88, and the other is a top plate for mounting the lower mold core, which is used to drag the lower mold core to move.

[0067] The ends of the four mounting housings 82 that are away from the hydraulic cylinder 6 are all connected to the inner cavity of the mounting housing 82 on the same side. Magnets are provided at the ends of the inner cavities of the four mounting housings 82 that are close to the piston rod at the output end of the hydraulic cylinder 6.

[0068] During installation, the upper mold core 88 can be installed at the lower end of the mounting plate 81 using the existing installation structure. Similarly, the upper mold core 88 can be replaced using the installation structure during implementation.

[0069] When the upper mold core 88 and mold 92 need to be replaced during the implementation of this scheme, the mounting plate 81 is first driven to move downward by the hydraulic cylinder 6 until it enters the mold cavity of the mold 92. Then, the four locking blocks 83 are pulled outward to separate them from the magnets on the same side and moved to the inside of the lifting ring 921 on the same side. The hydraulic cylinder 6 is then opened in the opposite direction to pull the mounting plate 81 upward to bring out the mold 92. The friction material stored in the inner cavity of the placement slot 34 is simultaneously brought out by the pusher plate 922.

[0070] Specifically, in order to compensate for the thickness changes of the friction material during compression during implementation, see [reference needed]. Figure 10 , Figure 11 and Figure 12 In this embodiment, the two pull rods 85 on the same side extend through the inner cavity of the two guide grooves 35 on the same side to the lower part. The lower part of the outer surface of the four pull rods 85 is provided with an elliptical rubber ball 86. The upper end of the follower plate 933 is provided with two follower holes 931 communicating with the lower end of the follower plate 933 on the side away from the mold 92.

[0071] Furthermore, the outermost elliptical rubber ball 86 is smaller than the size of the adjacent elliptical rubber ball 86;

[0072] Therefore, it can be seen that during the implementation process, when the two elliptical rubber balls 86 on the same side pass through the inner cavity of the follower hole 931 directly below them, the deformation of the outer elliptical rubber ball 86 is smaller than that of the inner elliptical rubber ball 86, that is, the elliptical rubber ball 86 on the outer side is easier to pass through the inner cavity of the follower hole 931 on the same side.

[0073] Furthermore, in order to allow the mold 92 to move upward a certain distance and then stop during implementation, and then move upward again after the feeding frame 56 has moved to the rear of the mold 92, see [reference needed]. Figure 8 and Figure 2 In this embodiment, the horizontal position of the two outer elliptical rubber balls 86 is higher than the horizontal position of the two inner elliptical rubber balls 86.

[0074] The locking structure 936 includes two L-shaped plates 9361 that are fixed to the lower end of the operating platform 3. The horizontal portions of the two L-shaped plates 9361 on the same side are fixedly connected to one end of each other with an arc-shaped elastic clip 9362. The upper and lower ends of the two arc-shaped elastic clips 9362 on the same side are provided with outward folding angles.

[0075] The frictional force generated between the drive plate 84 and the pull rod 85 through the damping coating is greater than the frictional force between the elliptical rubber ball 86 and the follower hole 931.

[0076] When the pull rod 85 descends to a certain depth and the two elliptical rubber balls 86 on the same side pass through the two follower holes 931 on the same side respectively, the pull rod 85 stops moving due to the obstruction of the support frame 12, while the drive plate 84 can continue to move downward.

[0077] Conversely, as the mounting plate 81 moves upward, the drive plate 84 drives the pull rod 85 to move synchronously through the damping coating, so that the two elliptical rubber balls 86 on the same side pass through the two follower holes 931 on the same side respectively, and the concave rod 934 enters the inner cavity of the locking housing 935 on the same side. Then the pull rod 85 stops moving, and the mounting plate 81 continues to move upward.

[0078] The clamping force between the upper parts of the two arc-shaped elastic clips 9362 on the same side is greater than the frictional force between the elliptical rubber ball 86 located on the outside and the follower hole 931.

[0079] Both locking housings 935 have an arc-shaped elastic clip 9351 on the side of their lower ends that are close to each other, and both arc-shaped elastic clips 9351 have an outward folding angle at their lower ends.

[0080] The clamping force generated between the two arc-shaped elastic clips 9351 is less than the frictional force between the two elliptical rubber balls 86 located on the inner side and the follower hole 931 below them.

[0081] Therefore, we can conclude that:

[0082] First, before pressing the friction material, the four elliptical rubber balls 86 are located in the lower part of the inner cavity of the follower hole 931 on the same side;

[0083] Secondly, after the hydraulic cylinder 6 is opened in the reverse direction, the two elliptical rubber balls 86 on the same side are moved upward by the mounting plate 81. Then, the concave rod 932 moves to the lower part of the two arc-shaped elastic clips 9362 on the same side. Under the pull, according to the fact that the clamping force between the lower parts of the two arc-shaped elastic clips 9362 on the same side is less than the friction between the elliptical rubber ball 86 on the outside and the follower hole 931, the lower part of the arc-shaped elastic clips 9362 can be pried open by the concave rod 932 and enter between the two arc-shaped elastic clips 9362.

[0084] Then, the pull rod 85 continues to move upward, the two outer elliptical rubber balls 86 separate from the follower holes 931 below them, and fix the follower plate 933 between the four arc-shaped elastic clips 9362, so that the upper end of the pressed friction block is on the same horizontal line as the upper end of the operating table 3.

[0085] Finally, as the feeding frame 56 moves backward, the friction material filled in its inner cavity will not enter the cavity of the mold 92, thus avoiding waste of friction material.

[0086] In addition, the height difference generated during the process of pressing loose friction material into dense friction block can be compensated by the concave rod 932 being driven by the pull rod 85 on the same side and entering between the two arc-shaped elastic clips 9362 on the same side, thus preventing the friction material from entering the cavity of the mold 92 in advance.

[0087] Specifically, in order to finally eject the pressed friction block completely, refer to... Figure 8 and Figure 10 In this embodiment, the lower ends of the two inner pull rods 85 are threaded with locking pins 87;

[0088] Furthermore, the follower mechanism 93 includes a follower plate 933. A concave rod 934 is fixedly connected to the upper end of the follower plate 933 near the mold 92. A locking shell 935 fixed to the lower end of the operating table plate 3 is sleeved on the outer surface of the concave rod 934. A follower groove 937 is opened at the upper end of the follower plate 933 between two follower holes 931 on the same side and communicating with the lower end of the follower plate 933. A locking structure 936 fixed to the lower end of the operating table plate 3 is provided in the inner cavity of the follower groove 937. A concave rod 932 is fixedly connected to the upper end of the follower plate 933 between two follower holes 931 on the same side.

[0089] The locking pin 87 can support the mold 92 after the concave rod 934 separates from the arc-shaped elastic clip 9351, preventing the mold 92 from being bumped. Similarly, the locking pin 87 can be rotated to separate the locking pin 87 from the pull rod 85, thereby allowing the mold 92 to be replaced.

[0090] In this embodiment, the friction material is pressed by the stamping mechanism 8 into the cavity of the mold 92, in conjunction with the first embodiment. In this embodiment, the friction material is pressed by the upper mold core 88 in the stamping mechanism 8.

[0091] After pressing is completed, the feeding frame 56 is located in front of the upper mold core 88, and then the hydraulic cylinder 6 runs in reverse, the compressed spring 57 releases its elasticity, and drives the feeding frame 56 and others to move backward.

[0092] Subsequently, the mounting plate 81 drives the two elliptical rubber balls 86 on the same side to move upward. Then, the concave rod 932 moves to the lower part of the two arc-shaped elastic clips 9362 on the same side. The top block 91 is fixed in mid-air through the cooperation between the concave rod 932 and the arc-shaped elastic clips 9362, so that the upper end of the pressed friction block is on the same horizontal line as the upper end of the operating table 3.

[0093] Secondly, the hydraulic cylinder 6 continues to operate. Through the cooperation between the mounting plate 81 and the connecting rope 50, the feeding frame 56 continues to move backward. After the feeding frame 56 is completely separated from the area above the friction block, the two outer elliptical rubber balls 86 deform and continue to move upward. The two inner elliptical rubber balls 86 cooperate with the follower hole 931 on the same side to lift the top block 91 upward. The top block 91 cooperates with the two concave rods 934 and the two arc-shaped elastic clips 9351 on the same side to fix the mold 92, thereby completely ejecting the pressed friction block. Then, under the action of tension, the two inner elliptical rubber balls 86 deform and separate from the follower hole 931 on the same side.

[0094] During the next pressing process, the two arc-shaped elastic clips 9351 located on the inner side cooperate with the elliptical rubber ball 86 on the same side to push the concave rod 934 out from between the two arc-shaped elastic clips 9351, and after passing through the two arc-shaped elastic clips 9362 on the same side, it finally returns to the upper end of the support frame 12.

[0095] During this process, the feeding frame 56 continues to move forward, filling the inner cavity of the mold 92 with friction material, while pushing out the pressed friction block and collecting it into the inner cavity of the collection box 11.

[0096] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A pressing device for brake pad production, comprising a base (1), four uprights (2) and two hydraulic cylinders (13), characterized in that: The four uprights (2) are fixedly installed at the four corners of the upper end of the base (1), and the two hydraulic cylinders (13) are symmetrically installed on the outer side of the upper end of the base (1); An operating platform (3) is fixedly installed on the upper end of the four uprights (2). A gantry frame (4) is fixedly installed on the upper left and upper right of the operating platform (3). A feeding device (5) is provided at the upper rear of the operating platform (3). A hydraulic cylinder (6) and two pulley structures (7) are fixedly connected to the upper middle of the gantry frame (4). The hydraulic cylinder (6) is located between the two pulley structures (7). The lower end of the piston rod at the output end of the hydraulic cylinder (6) extends through the upper middle of the horizontal part of the gantry frame (4) to the lower part and is fixedly connected to a stamping mechanism (8). A forming device (9) is provided at the upper middle of the operating platform (3). A feeding slide (10) is provided at the front middle of the operating platform (3). A collection box (11) is provided at the front of the base (1). A support frame (12) for supporting the forming device (9) is provided at the upper middle of the base (1). The upper middle part of the operating platform (3) is provided with a placement groove 1 (33) that communicates with the lower end. The upper left and upper right sides of the placement groove 1 (33) are symmetrically provided with placement groove 2 (34). The upper left and upper right parts of the operating platform (3) are symmetrically provided with two guide grooves (35). The two guide grooves (35) on the same side are located between the vertical part of the gantry frame (4) and the placement groove 1 (33). The middle part of the rear end of the operating platform (3) is provided with an installation groove 2 (32). The rear end of the operating platform (3) is provided with an installation groove 1 (31) located on the left and right sides of the installation groove 2 (32). The feeding device (5) includes a drive plate (51), two connecting ropes (50) and two pulley structures (53). The front of the drive plate (51) is slidably connected to the inner cavity of the mounting groove (32). The lower left and lower right of the front end of the drive plate (51) are symmetrically provided with sliding plates (52) that slide in the inner cavity of the mounting groove (31) on the same side. The upper front of the two sliding plates (52) is fixedly connected with push rods (54). The front ends of the two push rods (54) are fixedly connected with a feeding frame (56). The left and right rear ends of the push rods (54) are symmetrically provided with moving grooves (55) that communicate with the front end and cooperate with the forming device (9). The middle of the front end of the drive plate (51) and the rear side wall of the inner cavity of the mounting groove (32) are provided with a spring (57). One end of each of the two connecting ropes (50) is located on the upper left and right sides of the front end of the drive plate (51). The two pulley structures (53) are fixed to the middle of the upper rear side of the operating platform (3). The two pulley structures (53) are located between the two push rods (54). The two connecting ropes (50) are wrapped around the pulley structure (53) and pulley structure (7) on the same side. The other end of each of the two connecting ropes (50) extends from the upper end of the horizontal part of the gantry frame (4) to the lower part and is fixed on the stamping mechanism (8).

2. The pressing equipment for brake pad production according to claim 1, characterized in that: The stamping mechanism (8) includes a mounting plate (81) fixed to the lower end of the piston rod at the output end of the hydraulic cylinder (6). An upper die core (88) is fixedly connected to the lower end of the mounting plate (81). Mounting housings (82) are symmetrically arranged on the upper left and upper right sides of the mounting plate (81). Locking blocks (83) are slidably arranged in the inner cavities of the four mounting housings (82). Drive plates (84) are fixedly connected to the middle of the left side and the middle of the right side of the upper end of the mounting plate (81). The lower ends of the two drive plates (84) are... Each of the four pull rods (85) is provided with two pull rods (85) that extend through the drive plate (84) on the same side to the upper part. The two pull rods (85) on the same side extend through the inner cavity of the two guide grooves (35) on the same side to the lower part. The lower part of the outer surface of each of the four pull rods (85) is provided with an elliptical rubber ball (86). The horizontal position of the two elliptical rubber balls (86) on the outer side is higher than the horizontal position of the two elliptical rubber balls (86) on the inner side. The lower end of the two pull rods (85) on the inner side is threaded with a locking post (87). A damping coating is provided between the outer surfaces of the two tie rods (85) and the drive plate two (84) on the same side; The outermost elliptical rubber ball (86) is smaller than the adjacent elliptical rubber ball (86).

3. The pressing equipment for brake pad production according to claim 2, characterized in that: The ends of the four mounting housings (82) away from the hydraulic cylinder (6) are all connected to the inner cavity of the mounting housing (82) on the same side. The ends of the inner cavities of the four mounting housings (82) near the piston rod of the output end of the hydraulic cylinder (6) are all provided with magnets.

4. The pressing equipment for brake pad production according to claim 1, characterized in that: The molding device (9) includes a top block (91), and a mold (92) is fixedly connected to the upper end of the top block (91). The mold (92) is provided with follow-up mechanisms (93) symmetrically on the left and right ends. The follower mechanism (93) includes a follower plate (933). A concave rod (934) is fixedly connected to the upper end of the follower plate (933) near the mold (92). A locking shell (935) fixed to the lower end of the operating table (3) is sleeved on the outer surface of the concave rod (934). Two follower holes (931) communicating with the lower end of the follower plate (933) are opened on the upper end of the follower plate (933) away from the mold (92). A follower groove (937) is opened on the upper end of the follower plate (933) between the two follower holes (931) on the same side and communicating with the lower end of the follower plate (933). A locking structure (936) fixed to the lower end of the operating table (3) is provided in the inner cavity of the follower groove (937). A concave rod (932) is fixedly connected to the upper end of the follower plate (933) between the two follower holes (931) on the same side. The mold (92) has a lifting ring (921) and a pusher plate (922) fixedly connected symmetrically to the left and right ends of the mold (92), which are respectively placed in the inner cavity of the placement slot (33) on the same side.

5. A pressing device for brake pad production according to claim 4, characterized in that: The locking structure (936) includes two L-shaped plates (9361) that are fixed to the lower end of the operating platform (3). The horizontal portions of the two L-shaped plates (9361) on the same side are fixedly connected to one end of each other with an arc-shaped elastic clip (9362). The upper and lower ends of the two arc-shaped elastic clips (9362) on the same side are provided with outward folding angles.

6. The pressing equipment for brake pad production according to claim 4, characterized in that: Both of the two locking shells (935) have an arc-shaped elastic clip (9351) on the side of their lower ends that are close to each other, and both of the arc-shaped elastic clips (9351) have an outward folding angle at their lower ends.

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