CN213613705U - Stamping die shedder of car heat exchanger that insulates against heat - Google Patents

Abstract

The utility model discloses a stamping die demoulding device of an automobile heat shield, which is characterized by comprising an upper die assembly and a lower die assembly which are movably butted through a guide assembly; the upper die assembly comprises an upper die base and an upper forming male; the upper forming male is fixed at the lower part of the upper die base; the lower die assembly comprises a lower die base, a lower die plate, an elastic element, a pressure plate, a connecting rod, a push plate, a cushion block, an upper pressing assembly mounting plate, an upper pressing assembly, a first cam, a main shaft, a motor and a base; the lower template is arranged on the lower die base, and a forming cavity matched with the upper forming male is formed in the middle of the lower template; the material pressing plate can be slidably arranged in the forming cavity in a vertical moving manner; two ends of the elastic element respectively abut against the material pressing plate and the lower die holder; the connecting rod movably penetrates through the lower die holder in the vertical direction, the upper end of the connecting rod is connected with the pressure plate, and the lower end of the connecting rod is connected with the push plate. The utility model discloses the effectual advantage of shaping.

Description

Stamping die shedder of car heat exchanger that insulates against heat

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a stamping die shedder of car heat exchanger that separates.

Background

In the prior art, the temperature of a silencer at the rear part of an automobile is high, and the silencer, particularly a rear bumper, has heat damage risks through convection and radiation. A heat shield for heat insulation is generally provided to prevent the rear muffler from generating heat damage to peripheral components. The existing automobile heat shield is processed by a stamping die, and the existing automobile heat shield is simple in structure and poor in forming effect.

Thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a stamping die shedder of car heat exchanger shield.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a stamping die demoulding device of an automobile heat shield is characterized by comprising an upper die assembly and a lower die assembly which are movably butted through a guide assembly; the upper die assembly comprises an upper die base and an upper forming male; the upper forming male is fixed at the lower part of the upper die base; the lower die assembly comprises a lower die base, a lower die plate, an elastic element, a pressure plate, a connecting rod, a push plate, a cushion block, an upper pressing assembly mounting plate, an upper pressing assembly, a first cam, a main shaft, a motor and a base; the lower template is arranged on the lower die base, and a forming cavity matched with the upper forming male is formed in the middle of the lower template; the material pressing plate can be slidably arranged in the forming cavity in a vertical moving manner; two ends of the elastic element respectively abut against the material pressing plate and the lower die holder; the connecting rod movably penetrates through the lower die holder along the vertical direction, the upper end of the connecting rod is connected with the pressure plate, and the lower end of the connecting rod is connected with the push plate; the cushion block is arranged at the lower part of the lower die base; the upper pressing assembly mounting plate is fixed in the middle of the cushion block; the upper pressing component is movably arranged on the upper pressing component mounting plate in a vertically sliding manner, and the top end of the upper pressing component can push the push plate to move upwards when the die is closed; the bottom end of the upper pressing component is matched with the first cam; the first cam is sleeved on the main shaft; the main shaft is rotatably arranged at the lower part of the cushion block; the base is arranged at the bottom of the cushion block; the motor is installed on the base and drives the main shaft to rotate.

As a further elaboration of the above technical solution:

in the above technical solution, the guide assembly includes a guide post and a guide sleeve which are matched with each other; the guide post is installed on the lower die base, and the guide sleeve is installed on the upper die base.

In the technical scheme, the material pressing plate is provided with a pipe position; and the upper forming male die is provided with a position avoiding hole for the pipe position to penetrate when the die is closed.

In the above technical solution, the first cam is a curved groove cam formed with a curved groove along an axial end surface thereof.

In the above technical solution, the upper pressing assembly includes a push plate and a push rod; the push plate can be movably arranged on the upper pressure component mounting plate in a vertically sliding manner; the push rod is arranged on the top of the push plate; the lower part of the push plate is provided with a first cam bearing follower, and a bearing of the first cam bearing follower is arranged in a curve groove of the first cam.

In the technical scheme, a driving belt wheel is sleeved on an output shaft of the motor; the main shaft is sleeved with a driven belt wheel; the driven belt wheel and the driving belt wheel are in transmission through a synchronous belt.

In the above technical scheme, the main shaft is sleeved with a second cam; the lower die base is provided with a connecting plate capable of sliding up and down; the top end of the connecting plate is fixedly connected with the upper die base; the bottom end of the connecting plate is matched with the second cam and can be driven by the second cam to move in the opposite direction of the upper pressing assembly.

In the above technical solution, the second cam is a curved groove cam formed with a curved groove along an axial end surface thereof; the lower end of the connecting plate is provided with a second cam bearing follower; the bearing of the second cam bearing follower is arranged in the curved groove of the second cam.

In the above technical solution, the elastic element is a nitrogen spring.

In the technical scheme, the main shaft is sleeved with a turntable; the peripheral edge of the turntable is provided with an induction sheet; and a groove-shaped photoelectric sensor matched with the induction sheet is arranged on the base.

The beneficial effects of the utility model reside in that:

one of the two main points of the utility model are that, when the utility model works, firstly, before the workpiece is pressed into the forming cavity by the upper forming die, the workpiece is pressed on the pressure plate firstly, then, a prepressing force is provided to the pressure plate by the elastic element and the upper die base in opposite vertex, then, after the workpiece is pressed into the forming cavity, an upward pressing force is provided again by the upper pressing component through the pressure plate, and finally, the pressure plate and the workpiece are ejected out of the forming cavity by the nitrogen spring when the die is opened, so as to be integrated, the utility model increases the prepressing force and the pressing force in the process of die closing and punching, so that the workpiece can not wrinkle and deform when punching; and the elastic element has the functions of pressing and removing materials, and has the advantages of simple structure and good material removing effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures are respectively: 1. an upper die holder; 2. forming a male mold; 3. a lower die holder; 4. an elastic element; 5. a lower template; 6. a material pressing plate; 7. a connecting rod; 8. pushing the plate; 9. cushion blocks; 10. an upper pressing assembly mounting plate; 11. an upper pressing assembly; 12. a first cam; 13. a main shaft; 14. a motor; 15. a molding cavity; 16. a base; 17. a synchronous belt; 18. a guide post; 19. a guide sleeve; 20. a pipe position; 21. avoiding holes; 22. pushing the plate; 23. a push rod; 24. a first cam bearing follower; 25. a second cam; 26. a connecting plate; 27. a second cam bearing follower; 28. a turntable; 29. an induction sheet; 30. a groove-type photoelectric sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1 exemplifies a particular embodiment of a stamping die shedder of car heat exchanger, refer to fig. 1, a stamping die shedder of car heat exchanger, include last mould subassembly and lower mould subassembly through direction subassembly activity butt joint.

The upper die assembly comprises an upper die base 1 and an upper forming male 2; the upper forming male 2 is fixed on the lower part of the upper die holder 1 in a bolt connection mode.

The lower die assembly comprises a lower die base 3, an elastic element 4, a lower die plate 5, a pressure plate 6, a connecting rod 7, a push plate 8, a cushion block 9, an upper pressing assembly mounting plate 10, an upper pressing assembly 11, a first cam 12, a main shaft 13, a motor 14 and a base 16. The lower template 5 is arranged on the lower die base 3, and a forming cavity 15 matched with the upper forming male 2 is formed in the middle of the lower template. The material pressing plate 6 can be installed in the molding cavity 15 in a sliding manner in an up-and-down movement manner; two ends of the elastic element 4 respectively abut against the pressure plate 6 and the lower die holder 3, in this embodiment: the elastic element 4 is a nitrogen spring. The connecting rod 7 movably penetrates through the lower die holder 3 along the vertical direction, the upper end of the connecting rod is connected with the pressure plate 6, and the lower end of the connecting rod is connected with the push plate 8. The cushion block 9 is arranged at the lower part of the lower die holder 3; the upper pressing assembly mounting plate 10 is fixed in the middle of the cushion block 9; the upper pressing component 11 is movably mounted on the upper pressing component mounting plate 10 in a vertically sliding manner, and the top end of the upper pressing component can push the push plate 8 to move upwards when the mold is closed. The bottom end of the upper pressing component 11 is matched with the first cam 12; the first cam 12 is sleeved on the main shaft 13; the main shaft 13 is rotatably mounted at the lower part of the cushion block 9. The base 16 is arranged at the bottom of the cushion block; the motor 14 is mounted on the base 16 and drives the spindle to rotate. Specifically, the method comprises the following steps: a driving belt wheel is sleeved on an output shaft of the motor 14; a driven belt wheel is sleeved on the main shaft 13; the driven belt wheel and the driving belt wheel are driven through a synchronous belt 17.

The utility model discloses a theory of operation does:

in the first step, the upper die set moves downwards, the workpiece is pressed on the pressure plate 6 by the upper forming pin 2, and at the moment, the pressure plate 6 is pushed by the elastic element 4, so that the pressure plate 6 applies an upward pre-pressing force to the workpiece.

And secondly, the upper die set continues to move downwards, the upper forming male 2 punches the workpiece into the forming cavity 15, at the moment, the pressure plate 6, the pull rod 7 and the push plate 8 synchronously move downwards, and the elastic element 4 is compressed.

Thirdly, the motor 14 drives the upper pressing component 11 to move upwards in a cam transmission mode, and the upper pressing component 11 pushes the pressing plate 6, the pull rod 7 and the push plate 8 to move upwards for a short distance synchronously, so that the pressing plate 6 applies an upward pressing force to the workpiece.

And fourthly, the upper die set moves upwards to reset, and the elastic element restores to push the pressure plate 6 and the workpiece out of the forming cavity to finish the demoulding operation.

To sum up, the utility model discloses a set up elastic element 4 has not only applyed a material pressure in advance to the work piece at stamping forming's in-process and has made the work piece surface deformation of can not corrugating, the drawing of patterns of still being convenient for.

Further, the guide assembly comprises a guide post 18 and a guide sleeve 19 which are matched with each other; the guide post 18 is arranged on the lower die holder 3, the guide sleeve 19 is arranged on the upper die holder 1, and stroke precision of the upper die set and the lower die set during opening and closing is improved.

Further, a pipe position 20 matched with the through hole of the workpiece is arranged on the pressure plate 6; the upper forming male 2 is provided with a position avoiding hole 21 for the pipe position 20 to penetrate when the die is closed; specifically speaking, when the compound die, it promotes the work piece down to go up public 2 of shaping, the round angle is rounded all around at the top of pipe position 20, and then passes through the location that the hole site that pipe position 20 passed the work piece from bottom to top realized the work piece has improved the utility model discloses the quality of fashioned product.

Further, the first cam 12 is a curved groove cam formed with a curved groove along an axial end surface thereof. The upper pressing assembly 11 comprises a push plate 22 and a push rod 23; the push plate 22 is movably mounted on the upper press component mounting plate 10 in a vertically sliding manner; the push rod 23 is arranged on the top of the push plate 22; the lower part of the push plate 22 is provided with a first cam bearing follower 24, and the bearing of the first cam bearing follower 24 is arranged in the curved groove of the first cam 12. Specifically, the method comprises the following steps: since the distances between the curved grooves of the curved groove cam and the main shaft 13 are different, and the push plate 22 is slidably mounted on the upper press assembly mounting plate 10, when the first cam 12 rotates, the first cam bearing follower 24 arranged in the first cam 12 is pushed and driven to move up and down, and the corresponding push plate 22 moves up and down synchronously with the first cam bearing follower 24. Furthermore, the utility model discloses a bearing of first cam bearing follower 24 inlay dress extremely in the curve inslot of first cam 12, compare in push pedal 22 direct forming goes out a horizontal extension portion and inserts first cam 12 the curve inslot has reduced the utility model discloses a wear rate has improved the utility model discloses a life.

Further, a second cam 25 is sleeved on the main shaft 13; a connecting plate 26 capable of sliding up and down is arranged on the lower die holder 3; the top end of the connecting plate 26 is fixedly connected with the upper die holder 1; the bottom end of the connecting plate 26 is matched with the second cam 25 and can be driven by the second cam 25 to move in the opposite direction of the upper pressing component 11; specifically, the method comprises the following steps: the second cam 25 is a curve groove cam formed with a curve groove along the axial end face thereof; a second cam bearing follower 27 is mounted at the lower end of the connecting plate 26; the bearings of the second cam bearing follower 27 are disposed in the curved groove of the second cam 25. This is with heart adopt one main shaft 13 simultaneous drive go up pressure subassembly 11 with upper die base 1 has simple structure, advantage with low costs, simultaneously the utility model discloses a transmission structure can also extend and use to the modulus of continuity in, by the asynchronous motion through addding the part of other curve groove cams in order to drive different stations in the modulus of continuity.

Further, the spindle 13 is sleeved with a turntable 28; the peripheral edge of the turntable 28 is provided with an induction sheet 29; the base 16 is provided with a groove-shaped photoelectric sensor 30 matched with the sensing piece 29. When in specific use: the rotation of the spindle 13 can be conveniently judged by the times that the sensing piece 29 passes through the groove-shaped photoelectric sensor 30.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. A stamping die demoulding device of an automobile heat shield is characterized by comprising an upper die assembly and a lower die assembly which are movably butted through a guide assembly;

the upper die assembly comprises an upper die base and an upper forming male; the upper forming male is fixed at the lower part of the upper die base;

the lower die assembly comprises a lower die base, a lower die plate, an elastic element, a pressure plate, a connecting rod, a push plate, a cushion block, an upper pressing assembly mounting plate, an upper pressing assembly, a first cam, a main shaft, a motor and a base; the lower template is arranged on the lower die base, and a forming cavity matched with the upper forming male is formed in the middle of the lower template; the material pressing plate can be slidably arranged in the forming cavity in a vertical moving manner; two ends of the elastic element respectively abut against the material pressing plate and the lower die holder; the connecting rod movably penetrates through the lower die holder along the vertical direction, the upper end of the connecting rod is connected with the pressure plate, and the lower end of the connecting rod is connected with the push plate; the cushion block is arranged at the lower part of the lower die base; the upper pressing assembly mounting plate is fixed in the middle of the cushion block; the upper pressing component is movably arranged on the upper pressing component mounting plate in a vertically sliding manner, and the top end of the upper pressing component can push the push plate to move upwards when the die is closed; the bottom end of the upper pressing component is matched with the first cam; the first cam is sleeved on the main shaft; the main shaft is rotatably arranged at the lower part of the cushion block; the base is arranged at the bottom of the cushion block; the motor is installed on the base and drives the main shaft to rotate.

2. The automotive heat shield press die stripper as defined in claim 1, wherein said guide assembly includes cooperating guide posts and guide sleeves; the guide post is installed on the lower die base, and the guide sleeve is installed on the upper die base.

3. The automotive heat shield stamping die demolding device according to claim 2, wherein a tube position is arranged on the pressure plate; and the upper forming male die is provided with a position avoiding hole for the pipe position to penetrate when the die is closed.

4. The automotive heat shield press mold release apparatus of claim 1, wherein the first cam is a curved groove cam formed with a curved groove along an axial end face thereof.

5. The automotive heat shield press die stripper arrangement of claim 4, wherein the upper press assembly includes a push plate and a push rod; the push plate can be movably arranged on the upper pressure component mounting plate in a vertically sliding manner; the push rod is arranged on the top of the push plate; the lower part of the push plate is provided with a first cam bearing follower, and a bearing of the first cam bearing follower is arranged in a curve groove of the first cam.

6. The device for demolding the stamping die of the automobile heat shield as claimed in claim 5, wherein a driving pulley is sleeved on an output shaft of the motor; the main shaft is sleeved with a driven belt wheel; the driven belt wheel and the driving belt wheel are in transmission through a synchronous belt.

7. The apparatus for removing a press mold for an automobile heat shield according to any one of claims 1 to 5, wherein a second cam is fitted over the main shaft; the lower die base is provided with a connecting plate capable of sliding up and down; the top end of the connecting plate is fixedly connected with the upper die base; the bottom end of the connecting plate is matched with the second cam and can be driven by the second cam to move in the opposite direction of the upper pressing assembly.

8. The automotive heat shield stamping die release apparatus of claim 7, wherein the second cam is a curved groove cam formed with a curved groove along an axial end face thereof; the lower end of the connecting plate is provided with a second cam bearing follower; the bearing of the second cam bearing follower is arranged in the curved groove of the second cam.

9. The automotive heat shield press die ejector apparatus of claim 1, wherein the resilient element is a nitrogen spring.

10. The apparatus of claim 1, wherein the spindle is sleeved with a turntable; the peripheral edge of the turntable is provided with an induction sheet; and a groove-shaped photoelectric sensor matched with the induction sheet is arranged on the base.

Images