CN112621243B

CN112621243B - Pressing plate device for manufacturing automobile engine hood

Info

Publication number: CN112621243B
Application number: CN202011448982.2A
Authority: CN
Inventors: 孟海涛
Original assignee: Nanyang Linjite Metal Products Co ltd
Current assignee: Nanyang Linjite Metal Products Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2022-11-15
Anticipated expiration: 2040-12-09
Also published as: CN112621243A

Abstract

The invention belongs to the technical field of automobile manufacturing, and particularly relates to a pressing plate device for manufacturing an automobile engine hood, aiming at the problems that the existing pressing plate device for manufacturing the engine hood has single function and can not realize continuous processing, and needs to be transferred to a corresponding production line for cutting operation after stamping forming, so that the operation process is complicated, and the working efficiency is influenced, the invention provides the following scheme. The punching machine is reasonable in design, can perform efficient and rapid punching through mutual matching of incomplete gears, rotating wheels, conveying belts and other components, is conveyed to a second operation table for cutting operation after punching is completed, is simple to operate, and effectively improves the production efficiency.

Description

Pressing plate device for manufacturing automobile engine hood

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a pressing plate device for manufacturing an automobile engine hood.

Background

The existing pressing plate device for manufacturing the engine hood has a single function and cannot realize continuous processing, and after the press plate device is formed, the press plate device needs to be transferred to a corresponding production line for cutting operation, so that the operation process is complicated, and the working efficiency is influenced.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a pressure plate device for manufacturing an automobile engine hood.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a presser device for manufacturing automobile engine hood, includes the box, the bottom four corners of box all is provided with the supporting leg, the rear side of box is provided with the motor, rotate on the inner wall of both sides around the box and install same primary shaft, the one end of primary shaft extend to the rear side of box and with the output shaft fixed connection of motor, the other end of primary shaft extends to the front side of box and fixed cover is equipped with first belt pulley, the fixed cover in the outside of primary shaft is equipped with incomplete gear, rotate on the inner wall of both sides around the box and install same secondary shaft, the outside of secondary shaft is fixed cover in proper order after to in the past and is equipped with gear and first transfer roller, incomplete gear meshes with the gear mutually, one side fixed mounting of box has L type support frame, rotate on the L type support frame and install the second transfer roller, the conveying device is characterized in that the first conveying roller and the second conveying roller are in transmission connection with the same conveying belt, a first operating platform and a second operating platform are sequentially and fixedly mounted on the inner walls of the front side and the rear side of the box body from left to right, the first operating platform is matched with the conveying belt, a third shaft is rotatably mounted on the inner wall of the front side of the box body, one end of the third shaft extends to the front side of the box body and is fixedly sleeved with a second belt pulley, the first belt pulley and the second belt pulley are in transmission connection with the same first belt, a first conical pulley and a rotating wheel are fixedly sleeved on the outer side of the third shaft, one end of a rotating pin is fixedly mounted on the rotating wheel, the other end of the rotating pin is rotatably mounted at the top end of a pushing rod, a fixed plate is rotatably mounted at the bottom end of the pushing rod, a pressing plate is fixedly mounted at the bottom side of the fixed plate, a pressing die is arranged at the bottom side of the pressing plate, and a first groove is formed in the inner wall of one side of the box body, a first sliding plate is slidably mounted in the first groove, a vertical plate is fixedly mounted on the inner wall of the top of the box body, a fourth shaft is rotatably mounted on the vertical plate, a second cone pulley is fixedly sleeved at one end of the fourth shaft, the first cone pulley is meshed with the second cone pulley, the other end of the fourth shaft extends to one side of the vertical plate and is fixedly sleeved with a third belt pulley, second grooves are respectively formed in one side part of the vertical plate and the inner wall of the other side of the box body, second sliding plates are slidably mounted in the two second grooves, connecting plates are fixedly mounted on the two second sliding plates, a horizontal plate is fixedly mounted at one side, close to each other, of the two connecting plates, the bottom end of an electric push rod is fixedly mounted at the top side of the horizontal plate, the top end of the electric push rod is fixedly connected with the inner wall of the top of the box body, and a third groove is formed in the top side of the horizontal plate, a third sliding plate is slidably mounted in the third groove, a first plate is fixedly mounted on the top side of the third sliding plate, a fifth shaft is rotatably mounted on the first plate, a fourth belt pulley is fixedly sleeved at one end of the fifth shaft, two second plates are fixedly mounted on the bottom side of the transverse plate, the same sixth shaft is rotatably mounted on the two second plates, two ends of the sixth shaft respectively extend to one side, away from the two second plates, of the two second plates and are fixedly sleeved with cutting wheels, a fifth belt pulley is fixedly sleeved on the outer side of the sixth shaft, the third belt pulley, the fourth belt pulley and the fifth belt pulley are in transmission connection with the same second belt, the top ends of the third plates are fixedly mounted at two ends of the bottom side of the transverse plate, a sliding groove hole is formed in the bottom end of the third plate, a fourth plate is slidably mounted in the sliding groove hole, and a support plate is fixedly mounted at the bottom end of the fourth plate, and a feeding hole and a discharging hole are respectively arranged on two sides of the box body.

Preferably, slide bars are arranged in the first groove, the second groove and the third groove, the three slide bars are respectively connected with the first slide plate, the second slide plate and the third slide plate in a sliding manner, and the slide bars can enable the first slide plate, the second slide plate and the third slide plate to stably slide in the corresponding first groove, second groove and third groove.

Preferably, one end of a spring is fixedly mounted on the rear side of the third sliding plate, the other end of the spring is fixedly connected with the inner wall of the rear side of the third groove, the spring is sleeved on the outer side of the sliding rod in the third groove, and the third sliding plate can be pushed by the spring to reset, so that the second belt is kept in a tensioned state.

Preferably, one end of a cross bar is fixedly mounted on one side of the fixed plate, the other end of the cross bar is fixedly connected with the first sliding plate, and the cross bar can enable the pressing plate to keep stable movement.

Preferably, the riser is provided with a through hole, the outer side of the fourth shaft is fixedly sleeved with an inner ring of a bearing, the outer ring of the bearing is fixedly installed in the through hole, and the fourth shaft can be kept stable in rotation through the bearing.

Preferably, the rear side of box fixed mounting has the mounting bracket, motor fixed mounting is on the mounting bracket, can make the work that the motor keeps stable through the mounting bracket.

Preferably, fixed mounting has the top of pressure spring on the top inner wall of slip slotted hole, the bottom of pressure spring and the top fixed connection of fourth board can provide certain buffering when the backup pad compresses tightly the bonnet of accomplishing the suppression through the pressure spring, can make the backup pad carry out effectual fixed to the bonnet of accomplishing the suppression simultaneously, and the cutting wheel of being convenient for cuts the operation.

Preferably, a strip-shaped sliding groove is formed in one side of the third plate, a sliding pin is arranged in the strip-shaped sliding groove in a sliding mode, one end of the sliding pin is fixedly connected with one side of the fourth plate, the sliding range of the fourth plate can be limited through the strip-shaped sliding groove and the sliding pin, and meanwhile the fourth plate is prevented from being separated from the sliding groove hole.

When the pressing plate device for manufacturing the automobile engine hood is used, firstly, a power supply is switched on, a motor is started, an output shaft of the motor drives a first belt pulley and an incomplete gear to synchronously rotate through a first shaft, the incomplete gear drives a gear to intermittently rotate, a second shaft drives a first conveying roller to synchronously rotate, a second conveying roller is driven to synchronously intermittently rotate under the action of a conveying belt, a first belt pulley enables a second belt pulley to synchronously rotate a first cone pulley and a rotating wheel through a third shaft through a first belt, the rotating wheel pushes a fixed plate and the pressing plate to synchronously move downwards through a push rod, the first cone pulley drives a fourth shaft through a second cone pulley to synchronously rotate a third belt pulley, a fourth belt pulley and a fifth belt pulley are driven to synchronously rotate under the action of the second belt, and a sixth shaft enables two cutting wheels to synchronously rotate;

the engine cover is placed on a conveyor belt, the engine cover is fed into a box body through a feeding hole under the action of the conveyor belt, a pressing die is enabled to stamp the engine cover under the combined action of a rotating wheel, a push rod, a pressing plate and a first operating platform, the pressing plate drives the pressing die to keep stable stamping operation under the combined action of a first groove, a first sliding plate, a cross rod and a sliding rod located in the first groove, the conveyor belt keeps intermittent transmission under the action of an incomplete gear and a gear, after the stamping operation is completed, the punched engine cover is transmitted to a second operating platform by the conveyor belt, an electric push rod is controlled to enable a transverse plate to move downwards, the transverse plate keeps stable movement under the combined action of the second sliding plate, a second groove, a connecting plate and the sliding rod located in the second groove, the third sliding plate is driven by the first plate to slide along the third groove and extrude a pressure spring, the pressure spring and the third sliding plate are kept stable under the action of the sliding rod located in the third groove, the second plate drives the cutting wheel to downwards to cut the engine cover, the lower plate and the lower spring is matched with a fourth plate, a supporting plate, a certain buffering pin is provided between the engine cover and a supporting plate, and the engine cover is prevented from being damaged when the engine cover is taken out, and the supporting plate is taken out, and the supporting plate.

The punching machine is reasonable in design, can perform efficient and rapid punching through mutual matching of incomplete gears, rotating wheels, conveying belts and other components, is conveyed to a second operation table for cutting operation after punching is completed, is simple to operate, and effectively improves the production efficiency.

Drawings

FIG. 1 is a front view of a platen assembly for manufacturing an automotive hood according to the present invention;

FIG. 2 is a schematic cross-sectional structural view of a front view of a platen device for manufacturing an automobile engine hood according to the present invention;

FIG. 3 is a rear view of a platen assembly for manufacturing an automobile hood according to the present invention;

FIG. 4 is a schematic structural diagram of a portion A in FIG. 2 of a platen device for manufacturing an automobile hood according to the present invention;

FIG. 5 is a schematic structural diagram of a portion B in FIG. 2 of a platen device for manufacturing an automobile hood according to the present invention;

FIG. 6 is a schematic structural diagram of a portion C in FIG. 2 of a platen device for manufacturing an automobile hood according to the present invention;

fig. 7 is a schematic structural view of a portion D in fig. 2 of a platen device for manufacturing an automobile engine hood according to the present invention;

fig. 8 is a schematic structural view of a portion E in fig. 2 of a platen device for manufacturing an automobile engine hood according to the present invention;

fig. 9 is a schematic top view of a cross plate portion of a platen device for manufacturing an automobile hood according to the present invention.

In the figure: 1. a box body; 2. a motor; 3. a first shaft; 4. a first pulley; 5. an incomplete gear; 6. a second shaft; 7. a gear; 8. a first transfer roller; 9. an L-shaped support frame; 10. a second conveying roller; 11. a conveyor belt; 12. a first operation table; 13. a second operation table; 14. a third axis; 15. a second pulley; 16. a first cone pulley; 17. a rotating wheel; 18. a push rod; 19. a fixing plate; 20. pressing a plate; 21. a first belt; 22. a cross bar; 23. a first groove; 24. a first sliding plate; 25. a vertical plate; 26. a fourth axis; 27. a second cone; 28. a third belt pulley; 29. a second groove; 30. a second sliding plate; 31. a transverse plate; 32. an electric push rod; 33. a third groove; 34. a third sliding plate; 35. a first plate; 36. a fifth shaft; 37. a fourth belt pulley; 38. a spring; 39. a second plate; 40. a sixth axis; 41. a cutting wheel; 42. a fifth belt pulley; 43. a second belt; 44. a third plate; 45. a fourth plate; 46. a support plate; 47. a feed inlet; 48. and (4) discharging a material outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-9, a platen device for manufacturing an automobile engine hood comprises a box body 1, supporting legs are arranged at four corners of the bottom of the box body 1, a motor 2 is arranged at the rear side of the box body 1, the inner walls of the front side and the rear side of the box body 1 are rotatably provided with a same first shaft 3, one end of the first shaft 3 extends to the rear side of the box body 1 and is fixedly connected with an output shaft of the motor 2, the other end of the first shaft 3 extends to the front side of the box body 1 and is fixedly sleeved with a first belt pulley 4, an incomplete gear 5 is fixedly sleeved on the outer side of the first shaft 3, a same second shaft 6 is rotatably provided on the inner walls of the front side and the rear side of the box body 1, a gear 7 and a first transmission roller 8 are fixedly sleeved on the outer side of the second shaft 6 from front to back in sequence, the incomplete gear 5 is meshed with the gear 7, and an L-shaped support frame 9 is fixedly mounted on one side of the box body 1, the last rotation of L type support frame 9 installs second transfer roller 10, the transmission is connected with same conveyer belt 11 on first transfer roller 8 and the second transfer roller 10, there are first operation panel 12 and second operation panel 13 in proper order to the right side fixed mounting on the both sides inner wall around the box 1, first operation panel 12 and conveyer belt 11 looks adaptation, rotate on the front side inner wall of box 1 and install third axle 14, the one end of third axle 14 extends to the front side of box 1 and the fixed cover is equipped with second belt pulley 15, the transmission is connected with same first belt 21 on first belt pulley 4 and the second belt pulley 15, the fixed cover in the outside of third axle 14 is equipped with first cone pulley 16 and runner 17, fixed mounting has the one end of rotating pin on runner 17, the other end of rotating pin rotates the top of installing catch bar 18, a fixed plate 19 is rotatably mounted at the bottom end of the push rod 18, a pressing plate 20 is fixedly mounted at the bottom side of the fixed plate 19, a pressing die is arranged at the bottom side of the pressing plate 20, a first groove 23 is formed in the inner wall of one side of the box body 1, a first sliding plate 24 is slidably mounted in the first groove 23, a vertical plate 25 is fixedly mounted on the inner wall of the top of the box body 1, a fourth shaft 26 is rotatably mounted on the vertical plate 25, a second cone pulley 27 is fixedly mounted at one end of the fourth shaft 26, the first cone pulley 16 is engaged with the second cone pulley 27, the other end of the fourth shaft 26 extends to one side of the vertical plate 25 and is fixedly sleeved with a third belt pulley 28, second grooves 29 are formed in one side of the vertical plate 25 and in the inner wall of the other side of the box body 1, second sliding plates 30 are slidably mounted in the two second grooves 29, connecting plates are fixedly mounted on the two second sliding plates 30, a same transverse plate 31 is fixedly mounted at one side where the two connecting plates are close to each other, a bottom end of the transverse plate 32 is fixedly mounted on the top side of the transverse plate 31, two transverse plates 35 is fixedly mounted with a fifth sliding plates 35, two transverse plates 35 are fixedly mounted with a fifth sliding plates 35, two fifth sliding plates 35, a fifth sliding plates 35 and a fifth sliding plate 35 is mounted with a fifth sliding plate 40, a fifth sliding plate 35 is mounted with a fifth sliding plate 35, two fifth sliding plate 35, a fifth sliding plate 35 and a fifth sliding plate 40, a fifth sliding plate 35 is mounted on the fifth sliding plate 35, a fifth sliding plate 35 is mounted, a fifth sliding plate 40 is mounted on the fifth sliding plate 40, a fifth sliding plate 35 and a fifth shaft 35 is mounted on the fifth shaft 40, a fifth sliding plate 35, the third belt pulley 28, the fourth belt pulley 37 and the fifth belt pulley 42 are in transmission connection with a same second belt 43, the top end of a third plate 44 is fixedly mounted at both ends of the bottom side of the transverse plate 31, a sliding slot hole is formed in the bottom end of the third plate 44, a fourth plate 45 is slidably mounted in the sliding slot hole, a support plate 46 is fixedly mounted at the bottom end of the fourth plate 45, and a feed port 47 and a discharge port 48 are respectively arranged at both sides of the box body 1.

In this embodiment, slide bars are disposed in the first, second and

third grooves

23, 29 and 33, and the three slide bars are slidably connected to the first, second and

third slide plates

24, 30 and 34, respectively, so that the first, second and

third slide plates

24, 30 and 34 can stably slide in the corresponding first, second and

third grooves

23, 29 and 33.

In this embodiment, one end of a spring 38 is fixedly mounted on the rear side of the third sliding plate 34, the other end of the spring 38 is fixedly connected to the inner wall of the rear side of the third slot 33, and the spring 38 is sleeved on the outer side of the sliding rod located in the third slot 33, so that the spring 38 can push the third sliding plate 34 to return, and the second belt 43 is kept in a tensioned state.

In this embodiment, one end of a cross bar 22 is fixedly mounted on one side of the fixed plate 19, and the other end of the cross bar 22 is fixedly connected to a first sliding plate 24, so that the cross bar 22 can keep the pressure plate 20 moving stably.

In this embodiment, the riser 25 is last to have seted up the through-hole, the fixed cover in the outside of fourth shaft 26 is equipped with the inner circle of bearing, the outer lane fixed mounting of bearing can make the rotation that fourth shaft 26 remains stable through the bearing in the through-hole.

In this embodiment, the rear side fixed mounting of box 1 has the mounting bracket, motor 2 fixed mounting is on the mounting bracket, can make motor 2 keep stable work through the mounting bracket.

In this embodiment, fixed mounting has the top of pressure spring on the top inner wall of slip slotted hole, the bottom of pressure spring and the top fixed connection of fourth board 45 can provide certain buffering when backup pad 46 compresses tightly the bonnet that the suppression was accomplished through the pressure spring, can make backup pad 46 carry out effectual fixed to the bonnet that the suppression was accomplished simultaneously, and the cutting wheel 41 of being convenient for cuts the operation.

In this embodiment, a bar-shaped sliding groove is formed in one side of the third plate 44, a sliding pin is slidably installed in the bar-shaped sliding groove, one end of the sliding pin is fixedly connected with one side of the fourth plate 45, the sliding range of the fourth plate 45 can be limited through the bar-shaped sliding groove and the sliding pin, and meanwhile, the fourth plate 45 is prevented from being separated from the sliding groove hole.

In the invention, when in use, firstly, the power is switched on, the motor 2 is started, the output shaft of the motor 2 rotates to drive the first shaft 3 to rotate, the first shaft 3 rotates to drive the first belt pulley 4 and the incomplete gear 5 to synchronously rotate, the incomplete gear 5 rotates to drive the gear 7 to intermittently rotate, so that the second shaft 6 drives the first transmission roller 8 to synchronously rotate, the first transmission roller 8 drives the second transmission roller 10 to synchronously intermittently rotate through the transmission belt 11, the first belt pulley 4 drives the second belt pulley 15 to synchronously rotate through the first belt 21, the second belt pulley 15 rotates to drive the third shaft 14 to synchronously rotate the first cone pulley 16 and the rotating wheel 17, the rotating wheel 17 pushes the fixed plate 19 and the pressing plate 20 to synchronously move downwards through the pushing rod 18, the first cone pulley 16 drives the fourth shaft 26 to rotate through the second cone pulley 27, the fourth shaft 26 rotates to synchronously rotate the third belt pulley 28, the third belt pulley 28 drives the fourth belt pulley 37 and the fifth belt pulley 42 to rotate through the second belt 43, the fifth belt pulley 42 rotates to drive the sixth shaft 40 to synchronously rotate to make the two cutting wheels 41 to synchronously rotate, the engine cover is placed on the transmission belt 11, the lower transmission belt 11 and the lower transmission belt 23 are pressed on the lower pressing plate 20, the lower pressing plate 23 and the lower pressing plate 23, the lower pressing plate 23 is pressed on the lower pressing plate 23, the transverse plate 31 is enabled to slide downwards along one side of the vertical plate 25 and the inner wall of the other side of the box body 1 by controlling the electric push rod 32, the transverse plate 31 is enabled to keep stable movement under the combined action of the second sliding plate 30, the second groove 29, the connecting plate and the sliding rod positioned in the second groove 29, the first plate 35 drives the third sliding plate 34 to slide along the third groove 33 and extrude the pressure spring along with the downward movement of the transverse plate 31, the pressure spring and the third sliding plate 34 are enabled to keep stable work under the action of the sliding rod positioned in the third groove 33, the transverse plate 31 moves downwards, the second plate 39 drives the cutting wheel 41 to downwards cut the engine cover, the supporting plate 46 fixes the engine cover under the mutual matching of the components such as the third plate 44 and the fourth plate 45, a certain buffer is provided when the engine cover is fixed by the supporting plate 46 under the action of the spring 38, the sliding pin and the like, the engine cover after being processed can be taken out through the discharge port 48.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a presser device for automobile engine hood manufacturing, includes box (1), the bottom four corners of box (1) all is provided with the supporting leg, its characterized in that, the rear side of box (1) is provided with motor (2), rotate on the both sides inner wall around box (1) and install same primary shaft (3), the one end of primary shaft (3) extend to the rear side of box (1) and with the output shaft fixed connection of motor (2), the other end of primary shaft (3) extend to the front side of box (1) and fixed cover are equipped with first belt pulley (4), the fixed cover in the outside of primary shaft (3) is equipped with incomplete gear (5), rotate on the both sides inner wall around box (1) and install same secondary shaft (6), the outside of secondary shaft (6) is fixed cover in proper order in the past to the back and is equipped with gear (7) and first transfer roller (8), incomplete gear (5) mesh with gear (7), one side fixed mounting of box (1) has L type support frame (9), rotate in the L type support frame (9) and install second (10), transfer roller (8) and first transfer roller (11) operate on the first transfer roller (11) and second transfer roller (11) and operation platform (11) are connected with first transfer roller (11) from left side in proper order, the first operating platform (12) is matched with the conveying belt (11), a third shaft (14) is rotatably mounted on the inner wall of the front side of the box body (1), one end of the third shaft (14) extends to the front side of the box body (1) and is fixedly sleeved with a second belt pulley (15), the first belt pulley (4) and the second belt pulley (15) are connected with a same first belt (21) in a transmission manner, a first cone pulley (16) and a rotating wheel (17) are fixedly sleeved on the outer side of the third shaft (14), one end of a rotating pin is fixedly mounted on the rotating wheel (17), the other end of the rotating pin is rotatably mounted at the top end of a pushing rod (18), a fixed plate (19) is rotatably mounted at the bottom end of the pushing rod (18), a pressing plate (20) is fixedly mounted at the bottom end of the fixed plate (19), a pressing die is arranged at the bottom end of the pressing plate (20), a first groove (23) is formed in the inner wall of one side of the box body (1), a first sliding plate (24) is slidably mounted in the first groove (23), one end of the fixed plate (19) is fixedly mounted at one end of the cross rod (22), a cross rod (22) is connected with a cross rod (25), and a vertical rod (25) is connected with a vertical plate (25), a second cone pulley (27) is fixedly sleeved at one end of the fourth shaft (26), the first cone pulley (16) is meshed with the second cone pulley (27), the other end of the fourth shaft (26) extends to one side of the vertical plate (25) and is fixedly sleeved with a third belt pulley (28), a second groove (29) is formed in the inner wall of the other side of a side box body (1) of the vertical plate (25), second sliding plates (30) are slidably mounted in the two second grooves (29), connecting plates are fixedly mounted on the two second sliding plates (30), a same transverse plate (31) is fixedly mounted at one side, close to each other, of the two connecting plates, the bottom end of an electric push rod (32) is fixedly mounted at the top side of the transverse plate (31), the top end of the electric push rod (32) is fixedly connected with the inner wall of the top of the box body (1), a third groove (33) is formed in the top side of the transverse plate (31), a third sliding plate (34) is slidably mounted in the third groove (33), a first plate (35) is fixedly mounted at the top side of the third sliding plate (34), a first plate (35) is rotatably mounted with a first plate (36), a fifth shaft (36) is fixedly mounted at one end of the fifth shaft (39), two fifth shaft (39) is fixedly mounted at the bottom side of the second belt pulley (39), and two fifth shaft (39) is fixedly mounted on the second sliding plates (31), the both ends of sixth axle (40) extend to one side that two second boards (39) kept away from each other respectively and fixed cover is equipped with cutting wheel (41), the fixed cover in the outside of sixth axle (40) is equipped with fifth belt pulley (42), the transmission is connected with same second belt (43) on third belt pulley (28), fourth belt pulley (37) and fifth belt pulley (42), the equal fixed mounting in bottom side both ends of diaphragm (31) has the top of third board (44), the slip slotted hole has been seted up to the bottom of third board (44), slidable mounting has fourth board (45) in the slip slotted hole, the bottom fixed mounting of fourth board (45) has backup pad (46), the both sides of box (1) are provided with feed inlet (47) and discharge gate (48) respectively.

2. The platen device for manufacturing the automobile engine cover according to claim 1, wherein sliding rods are disposed in the first, second and third grooves (23, 29, 33), and the sliding rods in the first, second and third grooves (23, 29, 33) are slidably connected to the first, second and third sliding plates (24, 30, 34), respectively.

3. The platen device for manufacturing the automobile engine hood as claimed in claim 2, wherein one end of the spring (38) is fixedly mounted on the rear side of the third sliding plate (34), the other end of the spring (38) is fixedly connected with the inner wall of the rear side of the third slot (33), and the spring (38) is sleeved on the outer side of the sliding rod in the third slot (33).

4. The platen device for manufacturing the automobile engine cover according to claim 1, wherein a through hole is formed in the vertical plate (25), an inner ring of a bearing is fixedly sleeved on the outer side of the fourth shaft (26), and the outer ring of the bearing is fixedly installed in the through hole.

5. The platen device for manufacturing the automobile hood as claimed in claim 1, wherein a mounting bracket is fixedly mounted at the rear side of the box body (1), and the motor (2) is fixedly mounted on the mounting bracket.

6. The platen device for manufacturing the automobile hood as claimed in claim 1, wherein the top end of the compression spring is fixedly mounted on the inner wall of the top of the sliding slot hole, and the bottom end of the compression spring is fixedly connected with the top end of the fourth plate (45).

7. The pressure plate device for manufacturing the automobile engine cover as claimed in claim 1, wherein a strip-shaped sliding groove is formed in one side of the third plate (44), a sliding pin is slidably mounted in the strip-shaped sliding groove, and one end of the sliding pin is fixedly connected with one side of the fourth plate (45).