Hot press forming device for friction plate production

Abstract

The utility model belongs to the technical field of friction plate production, in particular to a hot-press forming device for friction plate production, which comprises a base, a hot-press lower die and a collecting box, the hot-press lower die is detachably and fixedly connected to the top of the base, and the collecting box is movably placed at the top of the base and abuts against the front side of the hot-press lower die. An ejection scraping assembly is arranged between the base and the hot-pressing lower die, and a scrap cleaning assembly is arranged between the base and the collecting box. The device is reasonable in structural design, a plurality of formed friction plates can be pushed out of a forming cavity at a time through upward movement of the top plate, demolding operation is completed, demolding is more convenient and efficient, crushed aggregates in the forming cavity can be pushed to the position above a hot-pressing lower mold, a scraping plate can be pushed forwards to be cleaned into a collecting box to be collected and treated in the later period, and the production efficiency is improved. And therefore, chippings in the forming cavity of the hot-pressing lower die can be cleaned, and the influence on the next hot-pressing forming quality is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of friction plate production, in particular to a hot pressing molding device used for friction plate production. Background Art

[0002] The braking system of a car is one of the most important systems of the vehicle. The quality of the braking system is related to the driving safety of the driver. The friction plate is an important part of the automobile braking system. The friction plate refers to a component composed of a chip and a friction lining or a friction material layer. It is widely used in the fields of mechanical engineering, mechanical parts and clutches. In the process of friction plate processing, a hot pressing forming device is required.

[0003] After searching: A molding device for producing friction plates with the authorization announcement number CN215039553U includes a hydraulic cylinder, an upper mold, a lower mold and an ejection mechanism, wherein the hydraulic cylinder is fixed to the top of a top plate, and two vertical plates are fixed to the bottom end of the top plate, and both vertical plates are fixed to the top of a cabinet, and a piston rod of the hydraulic cylinder passes through the top plate and is connected to a movable plate, and a plurality of upper molds are fixed to the bottom end of the movable plate, and a lower mold is provided between the two vertical plates, and a plurality of material troughs adapted to the upper mold are constructed at the top of the lower mold; a cooling component is fixed to the top of the cabinet, and the cooling component includes a bottom support, a duct and a fan, and the fan is fixed to the top of the pad.

[0004] However, the above-mentioned hot pressing forming device for the production of friction plates still has some shortcomings. The friction plates after hot pressing are tightly attached to the lower mold molding cavity, and personnel are required to demold and remove the molded friction plates one by one, which makes demolding more troublesome and inconvenient, reduces the demolding efficiency, and is inconvenient to clean the residual debris in the lower mold molding cavity, which can easily have an adverse effect on the next hot pressing molding of the friction plate. Therefore, we propose a hot pressing forming device for the production of friction plates to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above-mentioned shortcomings and proposes a hot pressing forming device for producing friction plates.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A hot pressing forming device for producing friction plates comprises a base, a hot pressing lower die and a collection box, wherein the hot pressing lower die is detachably fixedly connected to the top of the base, the collection box is movably placed on the top of the base and abuts against the front side of the hot pressing lower die, an ejection scraping assembly is arranged between the base and the hot pressing lower die, a debris cleaning assembly is arranged between the base and the collection box, a gantry is fixedly connected to the top of the base, a hydraulic cylinder is fixedly connected to the top of the gantry, and a hot pressing upper die is fixedly connected to the output shaft of the hydraulic cylinder.

[0008] Preferably, the ejection and scraping assembly includes a driving motor fixedly connected to one side of the base, and a threaded rod rotatably connected to the top inner wall and the bottom inner wall of the base, the driving motor is fixedly connected to the output shaft of the driving shaft, the outer fixed sleeve of the driving shaft is provided with two worms, the outer fixed sleeve of the threaded rod is provided with a worm gear, the two worms are respectively meshed with corresponding worm gears, the outer threaded sleeves of the two threaded rods are provided with the same lifting plate, the top of the lifting plate is fixedly connected to a plurality of connecting rods, the top of the connecting rod is fixedly connected to a top plate, and the top plate matches the molding cavity of the hot pressing lower mold.

[0009] Preferably, a plurality of guide holes are opened on the top of the base, a plurality of top plates are slidably sleeved in corresponding guide rods respectively, and the lifting plate is slidably sleeved in the base.

[0010] Preferably, the debris cleaning assembly includes a vertical plate fixedly connected to the top of the base, the vertical plate is located on the rear side of the hot pressing lower die, a cylinder is fixedly connected to the rear side of the vertical plate, a scraper is fixedly connected to the output shaft of the cylinder, and the bottom of the scraper is flush with the top of the hot pressing lower die.

[0011] Preferably, mounting holes are provided on both sides of the gantry, and fans are fixedly connected in the mounting holes.

[0012] Preferably, ear plates are fixedly connected to both sides of the hot pressing lower die, the tops of the ear plates are threadedly connected to screws, and the ear plates are fixedly connected to the top of the base by screws.

[0013] Preferably, two supporting legs are fixedly connected to the bottom of the collection box, and two slots are provided on the top of the base, and the two supporting legs are movably inserted into the corresponding slots respectively.

[0014] Preferably, two circular holes are provided on the top of the gantry, and limit rods are slidably sleeved in the two circular holes, and the two limit rods are fixedly connected to the top of the hot pressing upper mold.

[0015] In the utility model, a hot pressing molding device for producing friction plates is described. The hot pressing lower die is fixedly installed on the top of the base through the arrangement of ear plates and screws. The two supporting legs on the collection box are inserted into the slots to position and place the friction plate raw material. The friction plate raw material is poured into the molding cavity in the hot pressing lower die. The hot pressing upper die is driven by the hydraulic cylinder to move down into the molding cavity and hot pressing the friction plate raw material. After molding, the hydraulic cylinder is started in the reverse direction to make the hot pressing upper die move up and reset. The fan can be used to blow air to dissipate heat and cool it.

[0016] In the utility model, a hot pressing forming device for producing friction plates is described, which drives the rotation of the driving shaft and two worms through a driving motor, and the two worms drive the synchronous rotation of two worm wheels and threaded rods, and the two threaded rods drive the lifting plate, multiple connecting rods and the top plate to move up until they are flush with the top of the hot pressing lower die, thereby not only can the multiple friction plates after molding be pushed out of the molding cavity at one time to complete the demoulding operation, making the demoulding more convenient and efficient, but also can push the crushed materials in the molding cavity to the top of the hot pressing lower die, and the personnel remove the formed friction plates, and drive the scraper to move forward along the top of the hot pressing lower die through the cylinder, thereby pushing the crushed materials forward and dropping them into the collection box for collection and processing, and then start the cylinder in the reverse direction, so that the scraper moves backward and abuts against the front side of the vertical plate, and then start the driving motor in the reverse direction, so that the top plate moves down and resets, so as to use the next batch of friction plates for hot pressing molding operations;

[0017] The utility model has a reasonable structural design. Through the upward movement of the top plate, not only can the multiple friction plates after molding be pushed out of the molding cavity at one time to complete the demoulding operation, making the demoulding more convenient and efficient, but also the crushed materials in the molding cavity can be pushed to the top of the hot pressing lower mold, so that the scraper can be pushed forward and cleaned to the collection box for collection and treatment later, and then the crushed materials in the molding cavity of the hot pressing lower mold can be cleaned to avoid affecting the quality of the next hot pressing molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a hot pressing forming device for producing friction plates proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of a hot pressing forming device for producing friction plates proposed by the utility model;

[0020] Figure 3 A three-dimensional diagram of an ejection and scraping assembly of a hot pressing forming device for producing friction plates proposed by the utility model;

[0021] Figure 4 The utility model discloses a right side cross-sectional view of a base, a hot pressing lower die, a collecting box, a cylinder and a scraper of a hot pressing forming device for producing friction plates.

[0022] In the figure: 1. base; 2. driving motor; 3. hot pressing lower die; 4. ear plate; 5. screw; 6. collection box; 7. vertical plate; 8. scraper; 9. cylinder; 10. gantry; 11. fan; 12. hot pressing upper die; 13. hydraulic cylinder; 14. limit rod; 15. slot; 16. support leg; 17. top plate; 18. driving shaft; 19. worm; 20. threaded rod; 21. worm wheel; 22. lifting plate; 23. connecting rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-4 A hot pressing forming device for producing friction plates includes a base 1, a hot pressing lower die 3 and a collecting box 6. The hot pressing lower die 3 is detachably fixedly connected to the top of the base 1. The collecting box 6 is movably placed on the top of the base 1 and abuts against the front side of the hot pressing lower die 3. An ejection scraping assembly is arranged between the base 1 and the hot pressing lower die 3. A debris cleaning assembly is arranged between the base 1 and the collecting box 6. A gantry 10 is fixedly connected to the top of the base 1. A hydraulic cylinder 13 is fixedly connected to the top of the gantry 10. A hot pressing upper die 12 is fixedly connected to the output shaft of the hydraulic cylinder 13.

[0025] In the utility model, the ejection scraping assembly includes a driving motor 2 fixedly connected to one side of the base 1, and a threaded rod 20 rotatably connected to the inner wall of the top and the inner wall of the bottom of the base 1, a driving shaft 18 is fixedly connected to the output shaft of the driving motor 2, two worms 19 are provided on the outer fixed sleeve of the driving shaft 18, a worm gear 21 is provided on the outer fixed sleeve of the threaded rod 20, the two worms 19 are respectively meshed with the corresponding worm gears 21, the outer threaded sleeves of the two threaded rods 20 are provided with the same lifting plate 22, the top of the lifting plate 22 is fixedly connected to a plurality of connecting rods 23, and the top of the connecting rod 23 A top plate 17 is fixedly connected, and the top plate 17 matches the molding cavity of the hot pressing lower mold 3. The driving motor 2 drives the rotation of the driving shaft 18 and the two worms 19. The two worms 19 drive the synchronous rotation of the two worm wheels 21 and the threaded rods 20. The two threaded rods 20 drive the lifting plate 22, multiple connecting rods 23 and the top plate 17 to move up until they are flush with the top of the hot pressing lower mold 3. Therefore, not only can the multiple friction plates after molding be pushed out of the molding cavity at one time to complete the demoulding operation, making the demoulding more convenient and efficient, but also the scraps in the molding cavity can be pushed to the top of the hot pressing lower mold 3.

[0026] In the utility model, a plurality of guide holes are opened on the top of the base 1, and a plurality of top plates 17 are slidably sleeved in corresponding guide rods respectively, and the lifting plate 22 is slidably sleeved in the base 1, which can guide the top plates 17 and the lifting plates 22 to make their movement more stable and smooth.

[0027] In the utility model, the debris cleaning assembly includes a vertical plate 7 fixedly connected to the top of the base 1, the vertical plate 7 is located at the rear side of the hot pressing lower mold 3, the rear side of the vertical plate 7 is fixedly connected to a cylinder 9, and a scraper 8 is fixedly connected to the output shaft of the cylinder 9, and the bottom of the scraper 8 is flush with the top of the hot pressing lower mold 3. The personnel removes the formed friction plate and starts the cylinder 9. The cylinder 9 drives the scraper 8 to move forward along the top of the hot pressing lower mold 3, thereby pushing the debris forward and dropping it into the collection box 6 for collection and treatment.

[0028] In the utility model, mounting holes are provided on both sides of the gantry 10, and fans 11 are fixedly connected in the mounting holes, and air blowing, heat dissipation, and cooling can be performed by the fans 11.

[0029] In the utility model, ear plates 4 are fixedly connected to both sides of the hot pressing lower mold 3, and screws 5 are threadedly connected to the top of the ear plates 4. The ear plates 4 are fixedly connected to the top of the base 1 by the screws 5, which facilitates the disassembly, assembly and replacement of the hot pressing lower mold 3.

[0030] In the present invention, two supporting legs 16 are fixedly connected to the bottom of the collection box 6, and two slots 15 are provided on the top of the base 1. The two supporting legs 16 are movably inserted into the corresponding slots 15, respectively, so as to facilitate the positioning and placement of the collection box 6.

[0031] In the utility model, two circular holes are provided on the top of the gantry 10, and limit rods 14 are slidably sleeved in the two circular holes. The two limit rods 14 are fixedly connected to the top of the hot pressing upper mold 12, which is convenient for guiding and limiting the hot pressing upper mold 12, so that it can move downward stably to perform hot pressing molding on the friction plate raw material, thereby ensuring the quality of hot pressing molding.

[0032] In the utility model, when in use, the hot pressing lower die 3 is fixedly mounted on the top of the base 1 through the arrangement of the ear plate 4 and the screw 5, the two supporting legs 16 on the collection box 6 are inserted into the slot 15 to position and place it, the friction plate raw material is poured into the molding cavity in the hot pressing lower die 3, and the hot pressing upper die 12 is driven by the hydraulic cylinder 13 to move down into the molding cavity and perform hot pressing molding on the friction plate raw material. After molding, the hydraulic cylinder 13 is started in the reverse direction to move the hot pressing upper die 12 upward and reset, and the fan 11 can be used to blow air to dissipate heat and cool it. After cooling, the drive motor 2 is started, and the drive motor 2 drives the rotation of the drive shaft 18 and the two worms 19, and the two worms 19 drive the synchronous rotation of the two worm wheels 21 and the threaded rod 20, and the two The threaded rod 20 drives the lifting plate 22, multiple connecting rods 23 and the top plate 17 to move up until they are flush with the top of the hot pressing lower mold 3, thereby not only pushing the multiple friction plates after molding out of the molding cavity at one time to complete the demolding operation, making the demolding more convenient and efficient, but also pushing the crushed materials in the molding cavity to the top of the hot pressing lower mold 3. The personnel remove the molded friction plate and start the cylinder 9. The cylinder 9 drives the scraper 8 to move forward along the top of the hot pressing lower mold 3, thereby pushing the crushed materials forward and dropping them into the collection box 6 for collection and processing, and then starts the cylinder 9 in the reverse direction, so that the scraper 8 moves backward and abuts against the front side of the vertical plate 7, and then starts the drive motor 2 in the reverse direction, so that the top plate 17 moves down and resets, so that the next batch of friction plates can be used for hot pressing molding operations.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hot pressing forming device for producing friction plates, characterized in that: The invention comprises a base (1), a hot pressing lower die (3) and a collection box (6); the hot pressing lower die (3) is detachably fixedly connected to the top of the base (1); the collection box (6) is movably placed on the top of the base (1) and abuts against the front side of the hot pressing lower die (3); an ejection scraping assembly is arranged between the base (1) and the hot pressing lower die (3); a debris cleaning assembly is arranged between the base (1) and the collection box (6); the top of the base (1) is fixedly connected to a gantry (10); the top of the gantry (10) is fixedly connected to a hydraulic cylinder (13); the output shaft of the hydraulic cylinder (13) is fixedly connected to a hot pressing upper die (12).

2. A hot pressing forming device for producing friction plates according to claim 1, characterized in that: The ejection scraping assembly comprises a driving motor (2) fixedly connected to one side of a base (1), and a threaded rod (20) rotatably connected to the top inner wall and the bottom inner wall of the base (1); a driving shaft (18) is fixedly connected to the output shaft of the driving motor (2); an outer fixed sleeve of the driving shaft (18) is provided with two worms (19); an outer fixed sleeve of the threaded rod (20) is provided with a worm wheel (21); the two worms (19) are respectively meshed with corresponding worm wheels (21); the outer threaded sleeves of the two threaded rods (20) are provided with a same lifting plate (22); a plurality of connecting rods (23) are fixedly connected to the top of the lifting plate (22); the top ends of the connecting rods (23) are fixedly connected to a top plate (17); the top plate (17) matches the molding cavity of the hot pressing lower mold (3).

3. A hot pressing forming device for producing friction plates according to claim 2, characterized in that: A plurality of guide holes are provided on the top of the base (1); a plurality of top plates (17) are slidably sleeved in corresponding guide rods; and the lifting plate (22) is slidably sleeved in the base (1).

4. A hot pressing forming device for producing friction plates according to claim 1, characterized in that: The debris cleaning assembly comprises a vertical plate (7) fixedly connected to the top of the base (1), the vertical plate (7) being located at the rear side of the hot pressing lower die (3), a cylinder (9) being fixedly connected to the rear side of the vertical plate (7), a scraper (8) being fixedly connected to the output shaft of the cylinder (9), and the bottom of the scraper (8) being flush with the top of the hot pressing lower die (3).

5. The hot pressing forming device for producing friction plates according to claim 1, characterized in that: Both sides of the gantry (10) are provided with mounting holes, and fans (11) are fixedly connected in the mounting holes.

6. The hot pressing forming device for producing friction plates according to claim 1, characterized in that: Ear plates (4) are fixedly connected to both sides of the hot pressing lower mold (3), and screws (5) are threadedly connected to the top of the ear plates (4). The ear plates (4) are fixedly connected to the top of the base (1) by means of the screws (5).

7. The hot pressing forming device for producing friction plates according to claim 1, characterized in that: The bottom of the collection box (6) is fixedly connected to two supporting legs (16), and the top of the base (1) is provided with two slots (15), and the two supporting legs (16) are movably inserted into the corresponding slots (15) respectively.

8. The hot pressing forming device for producing friction plates according to claim 1, characterized in that: The top of the gantry (10) is provided with two circular holes, and limiting rods (14) are slidably sleeved in the two circular holes, and the two limiting rods (14) are fixedly connected to the top of the hot pressing upper mold (12).

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