Automobile diaphragm plate punching unit

Abstract

The utility model discloses a punching unit for an automobile diaphragm plate. The punching unit is arranged on a mounting frame in a manner of moving up and down back and forth through a pressure plate and is positioned below the mounting frame; the spring is connected between the mounting frame and the material pressing plate and promotes the material pressing plate to reset downwards; the lower end of the upper tool bit is matched to be located above the material pressing plate and downwards extends out of the material pressing plate along with upward movement of the material pressing plate; and when stamping is not carried out, the upper tool bit is located above the material pressing plate, the upper tool bit can be protected through the material pressing plate, and the upper tool bit is prevented from being damaged due to external collision. And meanwhile, during punching machining, the automobile template can be pressed through the material pressing plate firstly, then punching is conducted, position deviation of the automobile template in the punching process is avoided, and the punching quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technology of automobile processing field, in particular to an automobile template punching unit. Background Technique

[0002] Bumpers are installed at the front and rear ends of automobiles. They not only have a decorative function, but more importantly, they are safety devices that absorb and mitigate external impact forces, protect the vehicle body and the safety of the vehicle occupants. With the development of the automobile industry and the extensive application of engineering plastics in the automobile industry, automobile bumpers, as an important safety device, have also embarked on an innovative path. At present, in addition to maintaining the original protection function, the front and rear bumpers of automobiles also pursue harmony and unity with the vehicle body shape and lightweight. The front and rear bumpers of sedans are made of plastic, which are called plastic bumpers.

[0003] During the processing of automobile bumpers, punching is required, and then different components are installed. When the existing automobile bumper punching unit performs blanking, it needs to use upper and lower punching knives, and the upper punching knife is always exposed outside during the stamping process. Therefore, it is easy to be damaged by external collision during the processing. At the same time, during the punching process, the upper punching knife and the lower punching knife are pressed tightly to perform punching processing, and the pressing force between the upper punching knife and the lower punching knife is insufficient, resulting in the position of the automobile bumper being easily offset during the blanking process, making it difficult to guarantee the quality of punching. Therefore, it is necessary to further improve the structure of the existing punching unit. Content of the Utility Model

[0004] In view of this, in view of the deficiencies of the existing technology, the main purpose of the present utility model is to provide an automobile template punching unit, which can effectively solve the problems of easy damage of the upper punching knife, insufficient pressing force and difficult guarantee of punching quality in the existing punching unit.

[0005] To achieve the above purpose, the present utility model adopts the following technical solutions:

[0006] An automobile template punching unit includes a mounting seat, a lower knife member, a punching and moving part, an upper knife head and a driving mechanism; the mounting seat is of a "C" - shaped structure; the lower knife member is arranged on the mounting seat; the punching and moving part is arranged on the mounting seat so as to be movable up and down and is located above the lower knife member; the punching and moving part includes a movable frame, a mounting frame, a pressure plate and a spring; the movable frame is slidably connected with the mounting seat up and down; the mounting frame is arranged on the movable frame and is located directly above the lower knife member; the pressure plate is arranged on the mounting frame so as to be movable up and down and is located below the mounting frame; the spring is connected between the mounting frame and the pressure plate and urges the pressure plate to reset downward; the upper knife head is arranged on the mounting frame and is located directly above the lower knife member, and the lower end of the upper knife head is located above the pressure plate and extends downward out of the pressure plate as the pressure plate moves upward; the driving mechanism is arranged on the mounting seat and drives the movable frame to move up and down.

[0007] As a preferred solution, the lower cutting member includes a lower tool holder and a lower tool head; the lower tool holder is fixedly installed on the mounting seat, and the lower tool head is fixed on the lower tool holder and located at the upper end of the lower tool holder.

[0008] As a preferred solution, a support platform protrudes from the mounting seat, and the lower end of the lower tool holder abuts against the upper end surface of the support platform.

[0009] As a preferred solution, a plurality of first mounting holes are arranged at intervals up and down on the mounting seat, and second mounting holes are arranged at intervals up and down on the lower tool holder. The second mounting holes cooperate with the first mounting holes, and a plurality of fixing bolts sequentially pass through the second mounting holes and the first mounting holes to fixedly install the lower tool holder on the mounting seat.

[0010] As a preferred solution, sliding rails extending up and down are arranged on the mounting seat, and there are two sliding rails arranged symmetrically horizontally; there are two movable frames, and each movable frame is provided with a sliding seat cooperating with the sliding rail; the mounting frame is fixedly installed with the two movable frames together.

[0011] As a preferred solution, a movable groove extending front and back is formed on the mounting frame; a connecting portion cooperating with the movable groove is arranged at the output end of the driving mechanism, and the connecting portion is arranged in the movable groove so as to be movable back and forth and drives the mounting frame and the movable frame to move up and down through the driving mechanism.

[0012] As a preferred solution, guide columns extending up and down are arranged on the pressure plate; the guide columns protrude upward from the upper end surface of the mounting frame, a limiting portion is arranged at the upper end of the guide column, and the lower end surface of the limiting portion abuts against the upper end surface of the mounting frame; the spring is sleeved on the guide column and abuts against the upper end surface of the pressure plate and the lower end surface of the mounting frame respectively.

[0013] As a preferred solution, there are 4 guide columns, which are distributed at the four corners of the pressure plate. Correspondingly, there are also 4 springs, and each spring is sleeved on the corresponding guide column.

[0014] As a preferred solution, a pressure portion is arranged at the lower end of the pressure plate, a first through hole for the upper tool head to pass through is formed on the pressure plate, and a second through hole for the upper tool head to pass through is formed on the pressure portion.

[0015] As a preferred solution, a hot air blowing assembly is further included; the hot air blowing assembly includes a mounting rod, an adjusting rod and a hot air blowing head; the mounting rod extends horizontally, and one end of the mounting rod is fixed to the mounting seat; one end of the adjusting rod is arranged on the mounting rod so as to be slidable back and forth horizontally; the hot air blowing head is hinged to the other end of the adjusting rod and is located beside the lower cutting member.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0017] It can be movably arranged on the mounting frame and located below the mounting frame through the pressing plate; the spring is connected between the mounting frame and the pressing plate and prompts the pressing plate to reset downward; and the lower end of the upper cutter head is located above the pressing plate and extends downward from the pressing plate as the pressing plate moves upward; so that when punching is not performed, the upper cutter head is located above the pressing plate, and the pressing plate can protect the upper cutter head from being damaged by external collision. At the same time, during punching processing, the automobile template can be pressed by the pressing plate first, and then punching can be performed, so as to avoid position displacement of the automobile template during the punching process and ensure the quality of the punching.

[0018] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a preferred embodiment of the utility model;

[0020] Figure 2 It is a partial assembly diagram of a preferred embodiment of the utility model;

[0021] Figure 3 yes Figure 2 The enlarged schematic diagram of point A in the middle;

[0022] Figure 4 yes Figure 2 The enlarged schematic diagram of point B in the middle;

[0023] Figure 5 It is a partial assembly diagram of the punching moving part in the preferred embodiment of the utility model.

[0024] Description of the accompanying drawings:

[0025] 10. Mounting seat 101, first mounting hole

[0026] 11. Support table 12. Slide rail

[0027] 20. Lower blade 201. Second mounting hole

[0028] 21. Lower knife seat 22. Lower knife head

[0029] 30. Punching moving part 301. Movable groove

[0030] 302, first through hole 303, second through hole

[0031] 31. Movable frame 311. Sliding seat

[0032] 32. Mounting bracket 33. Pressure plate

[0033] 331. Guide post 332. Limiting part

[0034] 333. Pressure part 34. Spring

[0035] 40. Upper cutter head 50. Driving mechanism

[0036] 51. Connecting part 60. Hot air blowing assembly

[0037] 61. Mounting rod 62. Adjusting rod

[0038] 63. Hot air blowing head. Detailed implementation mode

[0039] Please refer to Figures 1 to 5 As shown, it shows the specific structure of the preferred embodiment of the present utility model, which includes a mounting base 10, a lower cutter member 20, a punching and moving part 30, an upper cutter head 40 and a driving mechanism 50.

[0040] The mounting base 10 is of a "C" - shaped structure; in this embodiment, a support platform 11 protrudes upward on the mounting base 10. A plurality of first mounting holes 101 are arranged at intervals up and down on the mounting base 10. A slide rail 12 extending up and down is arranged on the mounting base 10, and there are two slide rails 12 arranged symmetrically horizontally.

[0041] The lower cutter member 20 is arranged on the mounting base 10; in this embodiment, the lower cutter member 20 includes a lower cutter base 21 and a lower cutter head 22; the lower cutter base 21 is fixedly installed on the mounting base 10, and the lower cutter head 22 is fixed on the lower cutter base 21 and is located at the upper end of the lower cutter base 21. The lower end of the lower cutter base 21 abuts against the upper end surface of the support platform 11. During the punching process, the support platform 11 can support the lower cutter base 21 to prevent the lower cutter member 20 from sliding downward and being displaced under the punching action of the upper cutter head 40. A plurality of second mounting holes 201 are arranged at intervals up and down on the lower cutter base 21. The second mounting holes 201 cooperate with the first mounting holes 101, and a plurality of fixing bolts (not shown in the figure) sequentially pass through the second mounting holes 201 and the first mounting holes 101 to fixedly install the lower cutter base 21 on the mounting base 10; the arrangement of the plurality of second mounting holes 201 and the plurality of second mounting holes 101 at intervals up and down enables the position of the lower cutter base 21 to be adjusted up and down according to different products, so as to meet the processing requirements of different products.

[0042] The punching and moving part 30 is arranged on the mounting base 10 so as to be movable up and down and is located above the lower cutting part 20; the punching and moving part 30 includes a movable frame 31, a mounting frame 32, a pressure plate 33 and a spring 34; the movable frame 31 is slidably connected with the mounting base 10 up and down; the mounting frame 32 is arranged on the movable frame 31 and is located directly above the lower cutting part 20; the pressure plate 33 is arranged on the mounting frame 32 so as to be movable up and down and is located below the mounting frame 32; the spring 34 is connected between the mounting frame 32 and the pressure plate 33 and urges the pressure plate 33 to reset downward. In this embodiment, two movable frames 31 are provided, and a sliding seat 311 matched with the sliding rail 12 is arranged on each movable frame 31; the mounting frame 31 is fixedly installed with the two movable frames 31 together; through the cooperation of the sliding seat 311 and the sliding rail 12, the sliding process of the movable frame 31 is more stable. A movable groove 301 extending forward and backward is formed in the mounting frame 32.

[0043] A guiding column 331 extending up and down is arranged on the pressure plate 33; the guiding column 331 extends upward out of the upper end face of the mounting frame 32, and a limiting part 332 is arranged at the upper end of the guiding column 331, and the lower end face of the limiting part 332 abuts against the upper end face of the mounting frame 32; the spring 34 is sleeved on the guiding column 331 and abuts against the upper end face of the pressure plate 33 and the lower end face of the mounting frame 32 respectively. Four guiding columns 331 are provided, and they are distributed at the four corners of the pressure plate 33. Correspondingly, four springs 34 are also provided, and each spring 34 is sleeved on the corresponding guiding column 331. A pressure pressing part 333 is arranged at the lower end of the pressure plate 33, and a first through hole 302 for the upper cutter head 40 to pass through is formed in the pressure plate 33, and a second through hole 303 for the upper cutter head 40 to pass through is formed in the pressure pressing part 333; the arrangement of the pressure pressing part 333 is used to reduce the contact area when the pressure plate 33 presses against the product, so as to increase the local pressure on the product and make the pressing force greater.

[0044] The upper cutter head 40 is arranged on the mounting frame 32 and is located directly above the lower cutting part 20, and the lower end of the upper cutter head 40 is located above the pressure plate 33 and extends downward out of the pressure plate 33 as the pressure plate 33 moves upward.

[0045] The driving mechanism 50 is arranged on the mounting base 10 and drives the movable frame 31 to move up and down. In this embodiment, a connecting part 51 matched with the movable groove 301 is arranged at the output end of the driving mechanism 50, and the connecting part 51 is arranged in the movable groove 301 so as to be movable back and forth and drives the mounting frame 32 and the movable frame 31 to move up and down through the driving mechanism 50; through the arrangement of the movable groove 301 extending forward and backward, the connecting part 51 can be installed at any position in the front and back direction of the movable groove 301, reducing the precision requirement for assembly.

[0046] It further includes a hot air blowing assembly 60; the hot air blowing assembly 60 includes a mounting rod 61, an adjusting rod 62 and a hot air blowing head 63; the mounting rod 61 extends horizontally, and one end of the mounting rod 61 is fixed to the mounting seat 10; one end of the adjusting rod 62 is horizontally slidably arranged on the mounting rod 61; the hot air blowing head 63 is hinged to the other end of the adjusting rod 62 and is located beside the lower cutting member 20. The hot air blowing assembly 60 is used to heat the punching position of the automotive template during punching processing, prevent the automotive bumper template from becoming brittle in a low-temperature environment, and avoid the punching position from turning white, further improving the punching quality.

[0047] The design focus of the present utility model lies in that: the pressing plate is vertically movably arranged on the mounting frame and is located below the mounting frame; the spring is connected between the mounting frame and the pressing plate and urges the pressing plate to reset downward; and in cooperation with the lower end of the upper cutting head being located above the pressing plate and extending downward out of the pressing plate as the pressing plate moves upward; such that when punching is not performed, the upper cutting head is located above the pressing plate, and the pressing plate can protect the upper cutting head from being damaged by external collision. At the same time, during punching processing, the automotive template can be first pressed by the pressing plate and then punched, avoiding the position deviation of the automotive template during the punching process and ensuring the punching quality.

[0048] The above are only the preferred embodiments of the present utility model, and do not impose any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An automobile diaphragm punching unit, characterized in that: It includes a mounting seat, a lower knife piece, a punching movable part, an upper knife head and a driving mechanism; the mounting seat is a "C"-shaped structure; the lower knife piece is arranged on the mounting seat; the punching movable part can be movably arranged on the mounting seat up and down and is located above the lower knife piece; the punching movable part includes a movable frame, a mounting frame, a pressing plate and a spring; the movable frame is connected to the mounting seat for up and down sliding; the mounting frame is arranged on the movable frame and is located directly above the lower knife piece; the pressing plate can be movably arranged on the mounting frame up and down and is located below the mounting frame; the spring is connected between the mounting frame and the pressing plate and prompts the pressing plate to reset downward; the upper knife head is arranged on the mounting frame and is located directly above the lower knife piece, and the lower end of the upper knife head is located above the pressing plate and extends downward from the pressing plate as the pressing plate moves upward; the driving mechanism is arranged on the mounting seat and drives the movable frame to move up and down.

2. The automobile film punching unit according to claim 1, characterized in that: The lower knife member includes a lower knife seat and a lower knife head; the lower knife seat is fixedly mounted on the mounting seat, and the lower knife head is fixed on the lower knife seat and is located at the upper end of the lower knife seat.

3. The automobile film punching unit according to claim 2, characterized in that: A support platform is protrudingly provided on the mounting seat, and the lower end of the lower knife seat abuts against the upper end surface of the support platform.

4. The automobile film punching unit according to claim 2, characterized in that: The mounting seat is provided with a plurality of first mounting holes arranged at intervals up and down, and the lower knife seat is provided with second mounting holes arranged at intervals up and down, the second mounting holes cooperate with the first mounting holes, and a plurality of fixing bolts pass through the second mounting holes and the first mounting holes in sequence to fix the lower knife seat on the mounting seat.

5. The automobile film punching unit according to claim 1, characterized in that: The mounting seat is provided with two slide rails extending up and down and arranged symmetrically in transverse direction; the movable frames are provided with two, each of which is provided with a slide seat cooperating with the slide rails; the mounting frame is fixedly installed with the two movable frames respectively.

6. The automobile film punching unit according to claim 1, characterized in that: The mounting frame is provided with a movable groove extending forward and backward; the output end of the driving mechanism is provided with a connecting part cooperating with the movable groove, and the connecting part can be movably arranged in the movable groove forward and backward and drive the mounting frame and the movable frame to move up and down through the driving mechanism.

7. The automobile film punching unit according to claim 1, characterized in that: The pressing plate is provided with a guide column extending up and down; the guide column extends upward from the upper end surface of the mounting frame, and a limiting portion is provided at the upper end of the guide column, and the lower end surface of the limiting portion abuts against the upper end surface of the mounting frame; the spring sleeve is arranged on the guide column and abuts against the upper end surface of the pressing plate and the lower end surface of the mounting frame respectively.

8. The automobile film punching unit according to claim 7, characterized in that: There are four guide posts distributed at the four corners of the pressing plate. Correspondingly, there are four springs, each of which is sleeved on the corresponding guide post.

9. The automobile film punching unit according to claim 1, characterized in that: A material pressing portion is arranged at the lower end of the material pressing plate, a first through hole for the upper cutter head to pass through is provided on the material pressing plate, and a second through hole for the upper cutter head to pass through is provided on the material pressing portion.

10. The automobile film punching unit according to claim 1, characterized in that: It also includes a hot blower assembly; the hot blower assembly includes a mounting rod, an adjusting rod and a hot blower head; the mounting rod extends laterally, and one end of the mounting rod is fixed to the mounting seat; one end of the adjusting rod can be slid back and forth laterally on the mounting rod; the hot blower head is hinged to the other end of the adjusting rod and is located beside the lower blade.

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