Punching machine for front mounting plate of automobile

Abstract

The utility model discloses an automobile front mounting plate punching machine, and relates to the technical field of automobile part punching. The stamping die comprises a bottom plate and a stamping male die arranged above the bottom plate, and further comprises a stamping part installed at the top of the bottom plate; the buffer part is arranged at the top of the stamping male die; the lower pressing part is arranged above the bottom plate; wherein the downward pressing part is located on the stamping part, the stamping part comprises a support arranged above the bottom plate, a plurality of strip-shaped sliding rods are fixedly connected to the inner wall of the top of the support, a stamping female die is fixedly connected to the top of the bottom plate, and two supporting rods penetrate through the support. According to the automobile front mounting plate punching machine, the buffering part is arranged, so that the problems that when an existing automobile front mounting plate punching machine is used, the impact force of punching is inconvenient to buffer, local tension cracks of a plate due to pressure concentration are caused, instant impact on a die in the punching process is increased, and the service life of the die is shortened are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts stamping, especially relates to automobile front mounting plate punch press. BACKGROUND

[0002] With the rapid development of automobile industry, light weight high strength vehicle body structure becomes the important direction of improving vehicle safety and energy efficiency, and the manufacturing precision of automobile front mounting plate as the key force connecting component of connecting chassis and vehicle body directly influences the whole vehicle assembly quality and crash safety performance, and the stamping process as the core link of front mounting plate forming needs to realize the integrated forming of complex curved surface and multiple hole positions through the stamping equipment, therefore the automobile front mounting plate punch press needs to be researched and developed to meet the efficient production demand.

[0003] But the existing punch press is inconvenient for buffering the impact force of stamping when using, not only will cause the local tensile crack of plate material due to pressure concentration, but also will increase the instantaneous impact of die in the stamping process, thereby reduce the service life of die. UTILITY MODEL CONTENTS

[0004] The utility model discloses a automobile front mounting plate punch press, through setting up the buffer part, solved the existing automobile front mounting plate punch press when using, it is inconvenient for buffering the impact force of stamping, not only will cause the local tensile crack of plate material due to pressure concentration, but also will increase the instantaneous impact of die in the stamping process, thereby reduce the service life of die's problem.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a automobile front mounting plate punch press, including the bottom plate and setting the stamping punch on the top of bottom plate, still include: the stamping part is installed at the top of bottom plate, the buffer part is set at the top of stamping punch, and the down pressure part is set on the top of bottom plate, wherein, the down pressure part is located on the stamping part.

[0007] Further, the stamping part includes the support that sets up on the top of bottom plate, the top inner wall of support is fixedly connected with a plurality of strip slide rods, the top of bottom plate is fixedly connected with the stamping female die, and two support rods are penetrated on the support, wherein, the bottom of a plurality of strip slide rods is fixedly connected with the stamping female die, the side close to stamping punch of a plurality of strip slide rods is slidably connected with stamping punch, stamping punch is adapted to stamping female die, support is fixedly connected with two support rods, and the bottom of two support rods is fixedly connected with bottom plate.

[0008] Further, the buffer part comprises a support assembly arranged on the top of the stamping punch, and an elastic assembly arranged above the bottom plate; wherein the elastic assembly is arranged in a plurality of forms, and the plurality of elastic assemblies are arranged in a circumferential array above the bottom plate.

[0009] Further, the pressing-down part comprises a power assembly mounted on the support, and a universal connecting assembly arranged below the support; wherein the power assembly is connected with the support assembly through the universal connecting assembly.

[0010] Further, the support assembly comprises a rectangular plate arranged above the stamping punch, the top of the stamping punch is fixedly connected with a plurality of fixing blocks, and a plurality of slide rods are fixedly connected to the fixing blocks; wherein the top of the stamping punch is provided with eight fixing blocks and four slide rods, the eight fixing blocks are fixedly connected with the four slide rods, and the slide rods are slidably connected with the rectangular plate.

[0011] Further, the elastic assembly comprises a hinge block fixedly connected to the bottom of the rectangular plate, two hinge rods are arranged on the hinge block, and an elastic element is arranged on the slide rod; wherein the plurality of elastic assemblies are connected with the plurality of slide rods on the top of the stamping punch through the elastic element, the elastic element comprises two sliding blocks slidably connected to the outer wall of the slide rod, and the sliding blocks are fixedly connected with springs on the sides away from each other; wherein the top of the two sliding blocks is hingedly connected with the two hinge rods, and the two springs are fixedly connected with the two fixing blocks on the sides away from each other; the elastic assembly is elastically deformed during stamping, absorbs impact energy, and realizes the buffering effect.

[0012] Further, the power assembly comprises a motor fixedly connected to the right side of the support, two rotating shafts are fixedly connected to the inner wall of the support, the rotating shafts are fixedly connected with rotating discs on the sides close to each other, and a transmission rod is hingedly arranged between the two rotating discs; wherein the right side of the rotating shaft on the right side extends to the outside of the support, the output shaft of the motor is fixedly connected with the right side extension of the rotating shaft on the right side through a shaft coupling, the hinge shaft on the transmission rod is eccentrically arranged between the two rotating discs, and the power assembly converts the rotating power of the motor into the pressing-down power required for stamping.

[0013] Further, the universal connecting assembly comprises a connecting ball fixedly connected to the bottom of the transmission rod, a rectangular block is fixedly connected to the top of the rectangular plate, and a clamping groove is formed in the top of the rectangular block; wherein the connecting ball is arranged in the clamping groove, and the outer wall of the connecting ball is in contact with the clamping groove; the universal connecting assembly ensures that the pressure is transmitted to the buffer part and the stamping punch, and ensures the stability of the stamping movement.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the buffer part, after the punch male mold is lowered and hits the plate, the rectangular plate continues to descend, analyzes one support assembly, the rest is similar, the rectangular plate extrudes two hinged rods through the hinge block, the two hinged rods rotate, the bottoms of the two are away from each other, thereby driving the two sliders to move away from each other under the guidance of the corresponding slide rods, so that the two springs are compressed, and in this process, a self-small-to-large elastic force is generated to punch the plate under the punch male mold, so as to achieve the purpose of buffering the downward pressure, after the punching is completed, the control motor is reversed to reset each component, the elastic structure can absorb the punching impact force, prevent the plate from being partially torn due to pressure concentration, and reduce the instantaneous impact on the mold during the punching process, thereby prolonging the service life of the mold;

[0016] 2. By setting the lower pressing part, after the plate is placed in the punch female mold, the motor is turned on, the motor drives the right side of the rotating shaft to rotate, thereby driving the right side of the rotating disc to rotate, so that the bottom of the transmission rod moves downward, thereby driving the rectangular plate to descend through the connecting ball, the rectangular block and the clamping groove, thereby driving the punch male mold to descend under the guidance of the plurality of strip-shaped slide rods through the buffer part, so as to punch the plate in the punch female mold, convert the rotary motion of the motor into the vertical downward driving force of the punch male mold, drive the punching process to be completed, automatically complete the punching cycle, reduce manual intervention, and improve production efficiency and workpiece consistency.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the buffer part of the present application;

[0021] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the buffer part of the present application; Figure 2

[0022] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the lower pressing part of the present application;

[0023] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the power assembly of the present application.​

[0024] In the drawings, the components represented by the reference numbers are listed as follows:

[0025] 1, punch part; 111, bottom plate; 112, punch male die; 113, support; 114, strip-shaped slide rod; 115, punch female die; 116, support rod; 2, buffer part; 21, support assembly; 211, rectangular plate; 212, fixed block; 213, slide rod; 22, elastic assembly; 221, hinged block; 222, hinged rod; 223, slide block; 224, spring; 3, pressing part; 31, power assembly; 311, motor; 312, rotating shaft; 313, rotating disc; 314, transmission rod; 32, universal connecting assembly; 321, connecting ball; 322, rectangular block; 323, clamping groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5 As shown in the figure, the utility model is a car front mounting plate punch, including bottom plate 111 and the punch male die 112 which is arranged above the bottom plate 111, further including: punch part 1, punch part 1 is installed at the top of bottom plate 111;Buffer part 2, buffer part 2 is arranged at the top of punch male die 112;And pressing part 3, pressing part 3 is arranged above bottom plate 111;Wherein, pressing part 3 is located on punch part 1, punch part 1 includes the support 113 which is arranged above the bottom plate 111, the top inner wall of support 113 is fixedly connected with a plurality of strip-shaped slide rods 114, the top of bottom plate 111 is fixedly connected with punch female die 115, and two support rods 116 are penetrated through support 113;Wherein, the bottom of a plurality of strip-shaped slide rods 114 is fixedly connected with punch female die 115, and the side of a plurality of strip-shaped slide rods 114 close to punch male die 112 is slidably connected with punch male die 112, punch male die 112 is matched with punch female die 115, support 113 is fixedly connected with two support rods 116, and the bottom of two support rods 116 is fixedly connected with bottom plate 111.

[0028] The buffer part 2 comprises a support assembly 21 arranged on the top of the stamping punch 112, and an elastic assembly 22 arranged above the bottom plate 111; wherein the elastic assembly 22 is arranged in a plurality of circular arrays above the bottom plate 111, the support assembly 21 comprises a rectangular plate 211 arranged above the stamping punch 112, the top of the stamping punch 112 is fixedly connected with a plurality of fixing blocks 212, and the fixing blocks 212 are fixedly connected with a plurality of slide rods 213; wherein the top of the stamping punch 112 is provided with eight fixing blocks 212 and four slide rods 213, the eight fixing blocks 212 are fixedly connected with the four slide rods 213 respectively, and the slide rods 213 are slidably connected with the rectangular plate 211 on the side close to each other, the elastic assembly 22 comprises a hinged block 221 fixedly connected to the bottom of the rectangular plate 211, two hinged rods 222 arranged on the hinged block 221, and an elastic element arranged on the slide rod 213; wherein the plurality of elastic assemblies 22 are connected with the plurality of slide rods 213 on the top of the stamping punch 112 through the elastic element, the elastic element comprises two sliding blocks 223 slidably connected to the outer wall of the slide rod 213, and the sliding blocks 223 are fixedly connected with springs 224 on the side away from each other; wherein the top of the two sliding blocks 223 is hingedly connected with the two hinged rods 222 respectively, and the two springs 224 are fixedly connected with the two fixing blocks 212 on the side away from each other respectively, by arranging the buffer part 2, the stamping impact force can be absorbed by the elastic structure, the local cracking of the plate due to the pressure concentration can be prevented, the instantaneous impact on the mold during the stamping process can be reduced, and the service life of the mold is prolonged.

[0029] The lower pressing part 3 comprises a power assembly 31 installed on the support 113, and a universal connecting assembly 32 arranged below the support 113; wherein the power assembly 31 is connected with the supporting assembly 21 through the universal connecting assembly 32, the power assembly 31 comprises a motor 311 fixedly connected to the right side of the support 113, the inner wall of the support 113 is fixedly connected with two rotating shafts 312, the side close to each other of the two rotating shafts 312 is fixedly connected with two rotating discs 313, and a transmission rod 314 is hingedly arranged between the two rotating discs 313; wherein the right side of the rotating shaft 312 on the right side extends to the outside of the support 113, the output shaft of the motor 311 is fixedly connected with the right side extension of the rotating shaft 312 on the right side through a shaft coupling, and the hinged shaft on the transmission rod 314 is eccentrically arranged between the two rotating discs 313; the universal connecting assembly 32 comprises a connecting ball 321 fixedly connected to the bottom of the transmission rod 314, the top of the rectangular plate 211 is fixedly connected with a rectangular block 322, and the top of the rectangular block 322 is provided with a clamping groove 323; wherein the connecting ball 321 is arranged in the clamping groove 323, and the outer wall of the connecting ball 321 is in contact with the clamping groove 323; by arranging the lower pressing part 3, the rotary motion of the motor 311 is converted into the vertical downward pressing power of the punch, the stamping process is driven to be completed, the stamping is automatically completed, the manual intervention is reduced, and the production efficiency and the workpiece consistency are improved.

[0030] One specific application of the embodiment is that: when in use, the plate is placed in the stamping concave die 115, the motor 311 is turned on, the motor 311 drives the right rotating disc 313 to rotate through the right rotating shaft 312, so that the right rotating disc 313 drives the transmission rod 314 to rotate, the bottom of the transmission rod 314 moves downward, so that the transmission rod 314 drives the rectangular plate 211 to descend through the connecting ball 321, the rectangular block 322 and the clamping groove 323, so that the stamping punch 112 is driven to descend under the guidance of the plurality of strip-shaped slide rods 114 through the buffer part 2, so that the plate in the stamping concave die 115 is stamped, after the stamping punch 112 descends and collides with the plate, the rectangular plate 211 continues to descend, and one supporting assembly 21 is analyzed, the rest is similar, the rectangular plate 211 extrudes the two hinged rods 222 through the hinged block 221, the two hinged rods 222 rotate, the bottoms of the two hinged rods 222 move away from each other, so as to drive the two sliding blocks 223 to move away from each other under the guidance of the corresponding slide rods 213, so that the two springs 224 are compressed, a self-small-to-large elastic force is generated in the process to stamp the plate under the stamping punch 112, so as to achieve the purpose of buffering the downward pressure, and after the stamping is completed, the motor 311 is reversed to reset each component.

[0031] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used for helping to explain the utility model. The preferred embodiments do not describe all the details exhaustively, and also do not limit the utility model to only the specific implementation manners described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited only by the claims and the entire scope and equivalents thereof.

Claims

1. A front mounting panel press for a vehicle, comprising a base plate (111) and a press punch (112) disposed above the base plate (111), characterized in that, Also include: Punching part (1), the punching part (1) is installed at the top of the bottom plate (111); Buffer part (2), the buffer part (2) is arranged at the top of the punching punch (112); And The lower pressing part (3) is arranged above the bottom plate (111); Wherein, the lower pressing part (3) is located on the punching part (1).

2. The automotive front mounting panel press machine of claim 1, wherein, The punching part (1) includes a support (113) arranged above the bottom plate (111), the inner wall of the top of the support (113) is fixedly connected with a plurality of strip-shaped slide rods (114), the top of the bottom plate (111) is fixedly connected with a punching die (115), and two support rods (116) penetrate through the support (113); Wherein, the bottom of a plurality of strip-shaped slide rods (114) is fixedly connected with the punching die (115), the side of a plurality of strip-shaped slide rods (114) close to the punching punch (112) is slidably connected with the punching punch (112), the punching punch (112) is matched with the punching die (115), the support (113) is fixedly connected with the two support rods (116), and the bottom of the two support rods (116) is fixedly connected with the bottom plate (111).

3. The automotive front mounting panel press machine of claim 2, wherein, The buffer part (2) includes a support assembly (21), the support assembly (21) is arranged at the top of the punching punch (112); And Elastic assembly (22), the elastic assembly (22) is arranged above the bottom plate (111); Wherein, the elastic assembly (22) is provided with a plurality of, a plurality of elastic assemblies (22) are arranged in a circumferential array above the bottom plate (111).

4. The automotive front mounting panel press machine of claim 3, wherein, The lower pressing part (3) includes a power assembly (31), the power assembly (31) is installed on the support (113); And Universal connecting assembly (32), the universal connecting assembly (32) is arranged below the support (113); Wherein, the power assembly (31) is connected with the support assembly (21) through the universal connecting assembly (32).

5. The automotive front mounting panel press machine of claim 4, wherein, The support assembly (21) includes a rectangular plate (211) arranged above the punching punch (112), the top of the punching punch (112) is fixedly connected with a plurality of fixed blocks (212), and a plurality of slide rods (213) are fixedly connected with a plurality of fixed blocks (212); Wherein, the top of the punching punch (112) is provided with eight fixed blocks (212) and four slide rods (213), eight fixed blocks (212) are fixedly connected with four slide rods (213) respectively, and the side of a plurality of strip-shaped slide rods (114) close to each other is slidably connected with the rectangular plate (211).

6. The automotive front cross-car mounting panel stamping machine of claim 5, wherein, The elastic assembly (22) includes a hinge block (221) fixedly connected to the bottom of the rectangular plate (211), two hinge rods (222) are arranged on the hinge block (221), and an elastic element is arranged on the slide rod (213); Wherein, a plurality of elastic assemblies (22) are connected with a plurality of slide rods (213) on the top of the punching punch (112) through the elastic element respectively.

7. The automotive front cross-car mounting plate stamping machine of claim 6, wherein, The power assembly (31) includes the motor (311) fixedly connected on the right side of the support (113), the inner wall of the support (113) is fixedly connected with two rotating shafts (312), the side, close to each other, of the two rotating shafts (312) is fixedly connected with the rotating disc (313), and the transmission rod (314) is hingedly arranged between the two rotating discs (313). The right side of the rotating shaft (312) on the right side extends to the outside of the support (113), the output shaft of the motor (311) is fixedly connected with the right side extension of the rotating shaft (312) on the right side through the shaft coupling, and the hinged shaft on the transmission rod (314) is eccentrically arranged between the two rotating discs (313).

8. The automotive front cross-car mounting plate stamping machine of claim 7, wherein, The universal connecting assembly (32) includes the connecting ball (321) fixedly connected at the bottom of the transmission rod (314), the top of the rectangular plate (211) is fixedly connected with the rectangular block (322), and the top of the rectangular block (322) is provided with the clamping groove (323). The connecting ball (321) is arranged in the clamping groove (323), and the outer wall of the connecting ball (321) is in contact with the clamping groove (323).

9. The automotive front mounting panel press of claim 8, wherein, The elastic member includes two sliding blocks (223) slidingly connected on the outer wall of the sliding rod (213), and the side, away from each other, of the two sliding blocks (223) is fixedly connected with the spring (224); The top of the two sliding blocks (223) is hingedly connected with the two hinged rods (222) respectively, and the side, away from each other, of the two springs (224) is fixedly connected with the two fixed blocks (212) respectively.

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