Stamping device

Abstract

The utility model discloses a stamping device. The stamping device comprises a base, a stamping driving mechanism, a stamping and punching mechanism and a lower die stamping mechanism. The lower die stamping mechanism comprises a die body and a stamping flange, and the stamping flange is matched with the stamping and punching mechanism in a jacking mode so as to be used for punching one side wall of the workpiece. A workpiece receding groove is formed in the die body, the stamping flange is inserted into the workpiece receding groove, and a stamping hole is further formed in the die body. According to the air bag punching device, after the punching flange is sleeved with the air bag workpiece, the punching driving mechanism drives the punching and punching mechanism to be inserted into the punching hole in the punching flange, so that the punching and punching mechanism is matched with the upper side wall of the punching flange in a jacking mode, and efficient and accurate punching of the upper side wall of the air bag workpiece is achieved; according to the air bag side wall punching device, the automation degree and the machining precision of air bag workpiece side wall punching machining are improved, the production efficiency is improved, the inconsistency of manual operation is reduced, the size precision of an air bag is guaranteed, and the problem of air leakage of a product is solved.

Description

Technical Field

[0001] The present application relates to the technical field of stamping devices, and in particular to a stamping device. Background Art

[0002] PU airbags are used for impact absorption and protection of industrial equipment, such as slitting and winding equipment and internal support devices for winding strips; however, in the existing production process of PU airbags, the cutting and punching of the side wall on one side of the airbag is mainly done manually, which leads to low production efficiency. In addition, due to differences in operator skills and techniques, it is difficult to ensure the dimensional accuracy of the airbag, which often leads to problems such as product leakage, affecting the performance and safety of the airbag. Utility Model Content

[0003] In order to improve the defects of low efficiency and low precision in manually punching holes on one side of the side wall of an airbag during the production process of the airbag, the present application provides a punching device.

[0004] The present application provides a punching device that adopts the following technical solution:

[0005] A stamping device comprises a base, a stamping drive mechanism arranged on the base, a stamping and punching mechanism arranged at the output end of the stamping and punching mechanism, and a lower die stamping mechanism arranged on the base and below the stamping and punching mechanism;

[0006] The lower die punching mechanism comprises a die body, and a punching flange provided on the die body and used for inserting into the workpiece, wherein the punching flange and the punching and punching mechanism are press-fitted to punch a hole on one side wall of the workpiece;

[0007] The mold body is provided with a workpiece avoidance groove, the stamping flange is inserted in the workpiece avoidance groove, and the mold body is also provided with a stamping hole that passes through the mold body and the stamping flange and is connected to the workpiece avoidance groove, and the stamping hole is used for the stamping and punching mechanism to be inserted.

[0008] By adopting the above technical scheme, after the airbag workpiece is inserted into the workpiece avoidance groove and sleeved on the stamping flange, the stamping drive mechanism drives the stamping punching mechanism to move along the direction of inserting into the lower die stamping mechanism, and the stamping punching mechanism is inserted into the stamping hole on the stamping flange, so that the stamping punching mechanism and the upper side wall of the stamping flange are pressed together, thereby realizing efficient and accurate punching of the upper side wall of the airbag workpiece. The present application improves the degree of automation and processing accuracy of the punching processing of the side wall of the airbag workpiece, improves production efficiency, reduces the inconsistency of manual operation, ensures the dimensional accuracy of the airbag, and reduces the problem of product leakage.

[0009] Preferably, the workpiece avoidance groove is open in a horizontal direction, the stamping flange is arranged in a horizontal direction and inserted in the workpiece avoidance groove; and the stamping hole is arranged in a vertical direction.

[0010] By adopting the above technical scheme, the workpiece avoidance groove is opened in the horizontal direction, and the stamping flange is arranged in the workpiece avoidance groove in the horizontal direction, thereby avoiding interference when the airbag workpiece is inserted into the workpiece avoidance groove and sleeved on the stamping flange, ensuring the accurate positioning and precise insertion of the airbag workpiece during the stamping process; the stamping hole is arranged in the vertical direction, which is convenient for the insertion and punching operation of the stamping and punching mechanism, improves the vertical accuracy and efficiency of the operation, thereby improving the processing quality and efficiency of the overall stamping device.

[0011] Preferably, the stamping flange includes a flange body, a straight top pressure surface arranged on the upper side of the flange body, and an arc stretching surface arranged on the lower side of the flange body; the width of the flange body gradually increases along the direction of insertion into the workpiece avoidance groove, and the thickness of the flange body gradually increases along the direction of insertion into the workpiece avoidance groove.

[0012] By adopting the above technical scheme, the width and thickness of the flange body gradually increase along the direction of insertion into the workpiece avoidance groove, so that the outer wall of the stamping flange can better fit with the inner wall of the airbag workpiece, thereby improving the clamping friction of the airbag workpiece, providing better support and stretching effects, reducing the deviation of the airbag workpiece, and making the stamping process smoother, thereby improving the accuracy and stability of punching; the straight top pressure surface is used to fit tightly with the airbag workpiece and stretch the side wall of the airbag workpiece, so that the stamping and punching mechanism can cooperate with the stamping flange more stably, thereby improving the accuracy and efficiency of punching; the arc stretching surface is used to support the airbag workpiece, so that the airbag workpiece fits tightly with the stamping flange, and is also used to reduce the resistance of the stamping flange inserted into the airbag workpiece, thereby improving the smoothness of punching when replacing the airbag workpiece.

[0013] Preferably, the mold body includes a connecting mold body, an upper guiding mold body connected to the upper end of the connecting mold body, and a lower fixed mold body connected to the lower end of the connecting mold body and located below the upper guiding mold body, and the lower fixed mold body is connected to the base; the connecting mold body, the upper guiding mold body and the lower fixed mold body are arranged to form the workpiece avoidance groove.

[0014] By adopting the above technical scheme, the mold body forms a workpiece avoidance groove by connecting and surrounding the mold body, the upper guide mold body and the lower fixed mold body, which not only ensures the precise positioning of the airbag workpiece during the stamping process, but also improves the overall stability and guiding accuracy of the mold through the synergistic effect of the upper guide mold body and the lower fixed mold body. At the same time, the connection between the lower fixed mold body and the base further enhances the fixity and durability of the mold.

[0015] Preferably, the punching hole includes an upper guide through hole that passes through the upper guide mold body and is used for the punching and punching mechanism to pass through, a punching through hole that passes through the stamping flange and is aligned with the upper guide through hole, and a lower air-avoiding fixing hole that is provided on the lower fixed mold body and is aligned with the punching through hole.

[0016] By adopting the above technical scheme, the upper guide through hole passes through the upper guide die body to guide the movement of the stamping and punching mechanism to improve the accuracy of punching; the stamping through hole passes through the stamping flange and is aligned with the upper guide through hole, so that the stamping and punching mechanism can be smoothly inserted into the stamping through hole to complete the punching operation; the lower avoidance fixing hole is arranged on the lower fixed die body and is aligned with the stamping through hole. When the stamping and punching mechanism performs a through-punching operation on the airbag workpiece, it provides an avoidance space for the stamping and punching mechanism, and at the same time improves the structural stability of the stamping device.

[0017] Preferably, the stamping and punching mechanism includes a connecting top column connected to the output end of the stamping drive mechanism, a clamping seat detachably connected to the connecting top column, and a punching needle with one end inserted into the clamping seat and detachably connected to the clamping seat; the other end of the punching needle is movably inserted into the lower die stamping mechanism.

[0018] By adopting the above technical scheme, through the direct connection between the connecting column and the stamping drive mechanism, and the detachable connection between the clamping seat and the connecting column, and the punching needle and the clamping seat, flexible assembly and quick replacement functions are provided, making the stamping and punching process more efficient and convenient, and also easy to replace and repair and suitable for punching needs of different sizes; one end of the punching needle is detachably connected to the clamping seat, and the other end is used for movably inserting into the lower die stamping mechanism, ensuring the accuracy and reliability of the punching action, improving the adaptability and maintenance convenience of the stamping device, thereby improving production efficiency and processing accuracy.

[0019] Preferably, the connecting top column includes a connecting sleeve sleeved on the output end of the stamping drive mechanism, and a connecting flange arranged at the end of the connecting sleeve, a connecting groove for inserting the snap-in seat is provided between the connecting flange and the connecting sleeve, and the connecting sleeve and the output end of the stamping drive mechanism are threadedly matched.

[0020] By adopting the above technical scheme, the connecting sleeve is sleeved on the output end of the stamping drive mechanism, and is connected to the stamping drive mechanism through threaded cooperation, thereby improving the reliability and stability of the connection; the connecting flange is arranged at the end of the connecting sleeve, and a connecting slide groove is provided between the connecting sleeve and the connecting sleeve for insertion of the snap-in seat, thereby realizing the detachable connection between the stamping and punching mechanism and the stamping drive mechanism, and facilitating the maintenance and replacement of the stamping and punching mechanism; the connecting slide groove can guide the movement of the snap-in seat, thereby improving the accuracy of the assembly connection; the present application improves the stability and durability of the stamping and punching mechanism, and optimizes the force transmission efficiency and operation accuracy during the stamping process.

[0021] Preferably, the snap-fit ​​seat includes a snap-fit ​​seat body, and a snap-fit ​​flange provided on the snap-fit ​​seat body and used for slidingly inserting into the connecting groove along the horizontal direction. The snap-fit ​​seat is provided with a snap-fit ​​groove formed by the snap-fit ​​seat body and the snap-fit ​​flange, and the snap-fit ​​groove is used for the connecting flange to be slidably inserted along the horizontal direction.

[0022] By adopting the above-mentioned technical scheme, a clamping flange is provided on the clamping seat body, which is used to slide and insert into the connecting slide groove in the horizontal direction, thereby realizing the detachable connection between the stamping and punching mechanism and the stamping drive mechanism; the clamping seat is also provided with a clamping slide groove formed by the clamping seat body and the clamping flange, which is used for the connecting flange to slide and insert in the horizontal direction, thereby further improving the stability and reliability of the connection; the present application can realize the rapid and convenient connection and disassembly of the stamping and punching mechanism and the stamping drive mechanism, thereby improving the maintenance efficiency and working reliability of the stamping device.

[0023] Preferably, a punch needle fixing through hole for inserting the punch needle is also provided at the bottom of the clamping seat, and a punch needle limiting boss is also located at the open end of the punch needle fixing through hole on the clamping seat body, and the punch needle limiting boss and the connecting top column cooperate to press and clamp the end of the punch needle in the vertical direction.

[0024] By adopting the above technical scheme, the punch needle fixing through hole is used for inserting the punch needle, thereby realizing the connection between the clamping seat and the punch needle; the punch needle limiting boss is located at the open end of the punch needle fixing through hole, and cooperates with the connecting top column to press and clamp the end of the punch needle in the vertical direction, thereby improving the stability and reliability of the connection between the punch needle and the clamping seat, avoiding the loosening and deviation of the punch needle during the punching process, improving the accuracy and quality of the punching, and improving the working efficiency and processing accuracy of the stamping device.

[0025] Preferably, the punch needle includes a punch needle body, a punch needle fixing flange provided at the upper end of the punch needle body and used for inserting into the punch needle fixing through hole, and a cutting inclined slope provided at the lower end of the punch needle body.

[0026] By adopting the above technical solution, the punch needle is accurately inserted and fixed to the punch needle fixing through hole of the card seat through the punch needle fixing flange on the punch needle body, ensuring the stability of the punch needle during use; the cutting inclined slope at the lower end of the punch needle body helps to achieve a smoother cutting effect during the stamping process, reduce the resistance of the material, and improve the efficiency and quality of punching, and may also reduce the wear of the punch needle and extend the service life of the punch needle.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. After the airbag workpiece is inserted into the workpiece avoidance groove and sleeved on the stamping flange, the stamping drive mechanism drives the stamping punching mechanism to move along the direction of inserting into the lower die stamping mechanism, and the stamping punching mechanism is inserted into the stamping hole on the stamping flange, so that the stamping punching mechanism and the upper side wall of the stamping flange are pressed together, and the upper side wall of the airbag workpiece is punched efficiently and accurately. This application improves the automation degree and processing accuracy of the side wall punching processing of the airbag workpiece, improves production efficiency, reduces the inconsistency of manual operation, ensures the dimensional accuracy of the airbag, and reduces the problem of product leakage;

[0029] 2. The width and thickness of the flange body gradually increase along the direction of inserting into the workpiece avoidance groove, so that the outer wall of the stamping flange can better fit with the inner wall of the airbag workpiece, improve the clamping friction of the airbag workpiece, provide better support and stretching effect, reduce the deviation of the airbag workpiece, make the stamping process more stable, thereby improving the accuracy and stability of punching; the straight top pressure surface is used to fit closely with the airbag workpiece and stretch the side wall of the airbag workpiece, so that the stamping and punching mechanism can cooperate with the stamping flange more stably, improving the accuracy and efficiency of punching; the arc stretching surface is used to support the airbag workpiece, so that the airbag workpiece fits tightly with the stamping flange, and is also used to reduce the resistance of the stamping flange inserted into the airbag workpiece, and improve the smoothness of the airbag workpiece replacement punching;

[0030] 3. The upper guide through hole passes through the upper guide die body, and is used to guide the movement of the stamping and punching mechanism to improve the accuracy of punching; the stamping through hole passes through the stamping flange and is aligned with the upper guide through hole, so that the stamping and punching mechanism can be smoothly inserted into the stamping through hole to complete the punching operation; the lower avoidance fixing hole is arranged on the lower fixed die body and is aligned with the stamping through hole. When the stamping and punching mechanism performs a through-punching operation on the airbag workpiece, it provides an avoidance space for the stamping and punching mechanism, and at the same time improves the structural stability of the stamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of an embodiment of the present application.

[0032] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the present application.

[0033] Figure 3 It is a schematic diagram of the sectional decomposition structure of the stamping and punching mechanism and the lower die stamping mechanism of the embodiment of the present application.

[0034] Figure 4 It is a schematic diagram of the decomposition structure of an embodiment of the present application.

[0035] Figure 5 It is a schematic cross-sectional structure diagram of the punching process of an airbag workpiece according to an embodiment of the present application.

[0036] Description of reference numerals:

[0037] 1. Base; 2. Stamping drive mechanism; 21. Cylinder; 22. Manual valve; 3. Stamping punching mechanism; 31. Connecting top column; 32. Snap-on seat; 33. Punch needle; 311. Connecting sleeve; 312. Connecting flange; 313. Connecting slide; 321. Snap-on seat body; 322. Snap-on flange; 323. Snap-on slide; 324. Punch needle fixing through hole; 325. Punch needle limiting boss; 331. Punch needle body; 332. Punch needle fixing flange; 333. Cutting inclined slope;

[0038] 4. Lower die stamping mechanism; 41. Die body; 42. Stamping flange; 43. Workpiece air-avoiding groove; 44. Stamping hole; 411. Connecting die body; 412. Upper guide die body; 413. Lower fixed die body; 421. Flange body; 422. Flat top pressure surface; 423. Arc stretching surface; 441. Upper guide through hole; 442. Stamping through hole; 443. Lower air-avoiding fixing hole. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-5 This application is described in further detail.

[0040] The present application embodiment discloses a punching device. Figure 1 A stamping device includes a base 1, a stamping drive mechanism 2 arranged on the base 1, a stamping and punching mechanism 3 arranged at the output end of the stamping drive mechanism 2, and a lower die stamping mechanism 4 arranged on the base 1 and located below the stamping and punching mechanism 3;

[0041] The lower die punching mechanism 4 includes a die body 41 and a punching flange 42 provided on the die body 41 and used for inserting into the workpiece. The punching flange 42 and the punching mechanism 3 are press-fitted to punch a hole on one side wall of the workpiece.

[0042] The mold body 41 is provided with a workpiece avoidance groove 43, and the stamping flange 42 is inserted into the workpiece avoidance groove 43. The mold body 41 is also provided with a stamping hole 44 that penetrates the mold body 41 and the stamping flange 42 and is connected to the workpiece avoidance groove 43. The stamping hole 44 is used for inserting the stamping and punching mechanism 3.

[0043] After the airbag workpiece is inserted into the workpiece avoidance groove 43 and is sleeved on the stamping flange 42, the stamping drive mechanism 2 drives the stamping punching mechanism 3 to move along the direction of inserting into the lower die stamping mechanism 4, and the stamping punching mechanism 3 is inserted into the stamping hole 44 on the stamping flange 42, so that the stamping punching mechanism 3 and the upper side wall of the stamping flange 42 are pressed together, thereby realizing efficient and accurate punching of the upper side wall of the airbag workpiece. The present application improves the degree of automation and processing accuracy of the punching processing of the side wall of the airbag workpiece, improves production efficiency, reduces the inconsistency of manual operation, ensures the dimensional accuracy of the airbag, and reduces the problem of product leakage.

[0044] Furthermore, if Figure 1 and Figure 2 As shown, the workpiece avoidance groove 43 is open in the horizontal direction, the stamping flange 42 is arranged in the horizontal direction and inserted in the workpiece avoidance groove 43; and the stamping hole 44 is arranged in the vertical direction.

[0045] The workpiece avoidance groove 43 of the present application is open in the horizontal direction, and the stamping flange 42 is arranged in the workpiece avoidance groove 43 in the horizontal direction, thereby avoiding interference when the airbag workpiece is inserted into the workpiece avoidance groove 43 and sleeved on the stamping flange 42, thereby ensuring the accurate positioning and precise insertion of the airbag workpiece during the stamping process; the stamping hole 44 is arranged in the vertical direction, which is convenient for the insertion and punching operation of the stamping and punching mechanism 3, improves the vertical accuracy and efficiency of the operation, and thus improves the processing quality and efficiency of the overall stamping device.

[0046] Furthermore, if Figure 2 As shown, the stamping flange 42 includes a flange body 421, a flat top pressure surface 422 arranged on the upper side of the flange body 421, and an arc stretching surface 423 arranged on the lower side of the flange body 421; the width of the flange body 421 gradually increases along the direction of inserting into the workpiece avoidance groove 43, and the thickness of the flange body 421 gradually increases along the direction of inserting into the workpiece avoidance groove 43.

[0047] The width and thickness of the flange body 421 of the present application gradually increase along the direction of insertion into the workpiece avoidance groove 43, so that the outer wall of the stamping flange 42 can better fit with the inner wall of the airbag workpiece, thereby improving the clamping friction of the airbag workpiece, providing better support and stretching effects, reducing the deviation of the airbag workpiece, and making the stamping process smoother, thereby improving the accuracy and stability of punching; the straight top pressure surface 422 is used to fit tightly with the airbag workpiece and stretch the side wall of the airbag workpiece, so that the stamping and punching mechanism 3 can cooperate with the stamping flange 42 more stably, thereby improving the accuracy and efficiency of punching; the arc stretching surface 423 is used to support the airbag workpiece, so that the airbag workpiece fits tightly with the stamping flange 42, and is also used to reduce the resistance of the stamping flange 42 inserted into the airbag workpiece, thereby improving the smoothness of punching when replacing the airbag workpiece.

[0048] Specifically, Figures 2 to 4 As shown, the mold body 41 includes a connecting mold body 411, an upper guiding mold body 412 connected to the upper end of the connecting mold body 411, and a lower fixed mold body 413 connected to the lower end of the connecting mold body 411 and located below the upper guiding mold body 412, and the lower fixed mold body 413 is connected to the base 1; the connecting mold body 411, the upper guiding mold body 412 and the lower fixed mold body 413 are arranged to form a workpiece avoidance groove 43.

[0049] The mold body 41 of the present application forms a workpiece avoidance groove 43 by connecting and surrounding the mold body 411, the upper guide mold body 412 and the lower fixed mold body 413, which not only ensures the precise positioning of the airbag workpiece during the stamping process, but also improves the overall stability and guiding accuracy of the mold through the synergistic effect of the upper guide mold body 412 and the lower fixed mold body 413. At the same time, the connection between the lower fixed mold body 413 and the base 1 further enhances the fixity and durability of the mold. The lower fixed mold body 413 is fixedly connected to the base 1 by bolts.

[0050] More specifically, if Figure 3 and Figure 4 As shown, the punching hole 44 includes an upper guide through hole 441 that passes through the upper guide mold body 412 and is used for the punching and punching mechanism 3 to pass through, a punching through hole 442 that passes through the punching flange 42 and is aligned with the upper guide through hole 441, and a lower air-avoiding fixing hole 443 that is provided on the lower fixed mold body 413 and is aligned with the punching through hole 442.

[0051] The upper guide through hole 441 of the present application passes through the upper guide die body 412, which is used to guide the movement of the stamping and punching mechanism 3 to improve the accuracy of punching; the stamping through hole 442 passes through the stamping flange 42 and is aligned with the upper guide through hole 441, so that the stamping and punching mechanism 3 can be smoothly inserted into the stamping through hole 442 to complete the punching operation; the lower avoidance fixing hole 443 is arranged on the lower fixed die body 413 and is aligned with the stamping through hole 442. When the stamping and punching mechanism 3 performs a through-punching operation on the airbag workpiece, an avoidance space is provided for the stamping and punching mechanism 3, and at the same time the structural stability of the stamping device is improved.

[0052] The present application realizes the smooth movement of the punching mechanism 3 during the punching process by accurately aligning and penetrating the upper guide through hole 441, the punching through hole 442 and the lower avoidance fixing hole 443. The present application also discloses that a bolt passes through the base 1 and is threadedly engaged with the lower avoidance fixing hole 443.

[0053] In addition, if Figures 3 to 5As shown, the stamping and punching mechanism 3 includes a connecting top column 31 connected to the output end of the stamping drive mechanism 2, a clamping seat 32 detachably connected to the connecting top column 31, and a punching needle 33 with one end inserted into the clamping seat 32 and detachably connected to the clamping seat 32; the other end of the punching needle 33 is movably inserted into the lower die stamping mechanism 4.

[0054] The present application provides flexible assembly and quick replacement functions through the direct connection between the connecting top column 31 and the stamping drive mechanism 2, as well as the detachable connection between the clamping seat 32 and the connecting top column 31, and the punching needle 33 and the clamping seat 32, so as to make the stamping and punching process more efficient and convenient, and also facilitate replacement and maintenance and adapt to punching requirements of different sizes; one end of the punching needle 33 is detachably connected to the clamping seat 32, and the other end is used for movable insertion into the lower die stamping mechanism 4, which ensures the accuracy and reliability of the punching action, improves the adaptability and maintenance convenience of the stamping device, and thus improves the production efficiency and processing accuracy.

[0055] And, if Figure 3 and Figure 4 As shown, the connecting top column 31 includes a connecting sleeve 311 sleeved on the output end of the stamping drive mechanism 2, and a connecting flange 312 arranged at the end of the connecting sleeve 311, and a connecting groove 313 for inserting the card seat 32 is provided between the connecting flange 312 and the connecting sleeve 311, and the connecting sleeve 311 and the output end of the stamping drive mechanism 2 are threadedly matched.

[0056] The connecting sleeve 311 of the present application is sleeved on the output end of the stamping drive mechanism 2, and is connected to the stamping drive mechanism 2 through threaded cooperation, thereby improving the reliability and stability of the connection; the connecting flange 312 is arranged at the end of the connecting sleeve 311, and a connecting groove 313 is provided between the connecting sleeve 311 for the insertion of the snap-in seat 32, thereby realizing the detachable connection between the stamping and punching mechanism 3 and the stamping drive mechanism 2, and facilitating the maintenance and replacement of the stamping and punching mechanism 3; the connecting groove 313 can guide the movement of the snap-in seat 32, thereby improving the accuracy of the assembly connection; the present application improves the stability and durability of the stamping and punching mechanism 3, and optimizes the force transmission efficiency and operation accuracy during the stamping process.

[0057] Furthermore, if Figure 3 and Figure 4 As shown, the snap-fit ​​seat 32 includes a snap-fit ​​seat body 321, and a snap-fit ​​flange 322 provided on the snap-fit ​​seat body 321 and used for slidingly inserting into the connecting groove 313 along the horizontal direction. The snap-fit ​​seat 32 is provided with a snap-fit ​​groove 323 formed by the snap-fit ​​seat body 321 and the snap-fit ​​flange 322, and the snap-fit ​​groove 323 is used for the connecting flange 312 to be slidably inserted along the horizontal direction.

[0058] The clamping seat body 321 of the present application is provided with a clamping flange 322, which is used to slide and insert into the connecting groove 313 in the horizontal direction, thereby realizing a detachable connection between the stamping and punching mechanism 3 and the stamping drive mechanism 2; the clamping seat 32 is also provided with a clamping groove 323 formed by the clamping seat body 321 and the clamping flange 322, which is used for the connecting flange 312 to slide and insert in the horizontal direction, thereby further improving the stability and reliability of the connection; the present application can realize the quick and convenient connection and disassembly of the stamping and punching mechanism 3 and the stamping drive mechanism 2, thereby improving the maintenance efficiency and working reliability of the stamping device.

[0059] Furthermore, if Figure 3 and Figure 4 As shown, a punch needle fixing through hole 324 for inserting the punch needle 33 is also provided at the bottom of the clamping seat 32, and a punch needle limiting boss 325 is also located at the open end of the punch needle fixing through hole 324 on the clamping seat body 321. The punch needle limiting boss 325 and the connecting top column 31 cooperate to press and clamp the end of the punch needle 33 in the vertical direction.

[0060] The punch needle fixing through hole 324 of the present application is used for inserting the punch needle 33, thereby realizing the connection between the clamping seat 32 and the punch needle 33; the punch needle limiting boss 325 is located at the open end of the punch needle fixing through hole 324, and cooperates with the connecting top column 31 to press and clamp the end of the punch needle 33 in the vertical direction, thereby improving the stability and reliability of the connection between the punch needle 33 and the clamping seat 32, avoiding the loosening and deviation of the punch needle 33 during the punching process, improving the accuracy and quality of the punching, and improving the working efficiency and processing accuracy of the stamping device.

[0061] Specifically, Figure 3 and Figure 4 As shown, the punch needle 33 includes a punch needle body 331 , a punch needle fixing flange 332 disposed at the upper end of the punch needle body 331 and used for inserting into the punch needle fixing through hole 324 , and a cutting inclined slope 333 disposed at the lower end of the punch needle body 331 .

[0062] The punch needle 33 of the present application is accurately inserted and fixed with the punch needle fixing through hole 324 of the clamping seat 32 through the punch needle fixing flange 332 on the punch needle body 331, thereby ensuring the stability of the punch needle 33 during use; the cutting inclined slope 333 at the lower end of the punch needle body 331 helps to achieve a smoother cutting effect during the punching process, reduce the resistance of the material, and improve the efficiency and quality of punching. At the same time, it may also reduce the wear of the punch needle 33 and extend the service life of the punch needle 33.

[0063] The present application also discloses that two inclined cutting slopes 333 on the punch needle body 331 are arranged to form an inverted "V"-shaped groove; the inverted "V"-shaped groove helps to concentrate the punching force and improve the accuracy and efficiency of punching; the inverted "V"-shaped cutting surface can more effectively guide material separation, reduce material rebound and edge burrs, thereby improving processing quality and ensuring that the edges of the workpiece after punching are smooth and neat.

[0064] like Figure 4 As shown, the present application also discloses that the stamping drive mechanism 2 includes a cylinder 21 and a manual valve 22 connected to the cylinder 21; the stamping drive mechanism 2 of the present application adopts the cylinder 21 as a power source, and is connected to the cylinder 21 through the manual valve 22, providing a flexible driving method, so that the stamping process can adjust the movement of the cylinder 21 through the manual valve 22, thereby achieving precise control of the stamping intensity and speed.

[0065] The implementation principle of a punching device in the embodiment of the present application is:

[0066] After the airbag workpiece is inserted into the workpiece avoidance groove 43 and sleeved on the stamping flange 42, the stamping drive mechanism 2 drives the stamping punching mechanism 3 to move along the direction of inserting into the lower die stamping mechanism 4, and the stamping punching mechanism 3 is inserted into the stamping hole 44 on the stamping flange 42, so that the stamping punching mechanism 3 and the upper side wall of the stamping flange 42 are pressed together, realizing efficient and accurate punching of the upper side wall of the airbag workpiece. The present application improves the automation degree and processing accuracy of the punching processing of the side wall of the airbag workpiece, improves production efficiency, reduces the inconsistency of manual operation, ensures the dimensional accuracy of the airbag, and reduces the problem of product leakage;

[0067] The width and thickness of the flange body 421 gradually increase along the direction of inserting the workpiece into the air-avoiding groove 43, so that the outer wall of the stamping flange 42 can better fit with the inner wall of the airbag workpiece, thereby improving the clamping friction of the airbag workpiece, providing better support and stretching effects, reducing the deviation of the airbag workpiece, and making the stamping process smoother, thereby improving the precision and stability of the punching; the straight top pressure surface 422 is used to fit tightly with the airbag workpiece and stretch the side wall of the airbag workpiece, so that the stamping and punching mechanism 3 can cooperate with the stamping flange 42 more stably, thereby improving the precision and efficiency of the punching; the arc stretching surface 423 is used to support the airbag workpiece, so that the airbag workpiece fits tightly with the stamping flange 42, and is also used to reduce the resistance of the stamping flange 42 inserted into the airbag workpiece, thereby improving the smoothness of the replacement and punching of the airbag workpiece;

[0068] The upper guide through hole 441 penetrates the upper guide die body 412, and is used to guide the movement of the punching mechanism 3 to improve the accuracy of punching; the punching through hole 442 penetrates the punching flange 42 and is aligned with the upper guide through hole 441, so that the punching mechanism 3 can be smoothly inserted into the punching through hole 442 to complete the punching operation; the lower avoidance fixing hole 443 is arranged on the lower fixed die body 413, and is aligned with the punching through hole 442. When the punching mechanism 3 performs a through-punching operation on the airbag workpiece, it provides an avoidance space for the punching mechanism 3, and at the same time improves the structural stability of the punching device. The present application realizes the smooth movement of the punching mechanism 3 during the punching process through the precise alignment and penetration setting of the upper guide through hole 441, the punching through hole 442 and the lower avoidance fixing hole 443, and ensures the accurate execution of the punching action.

[0069] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A punching device, characterized in that: It comprises a base (1), a stamping drive mechanism (2) arranged on the base (1), a stamping and punching mechanism (3) arranged at the output end of the stamping drive mechanism (2), and a lower die stamping mechanism (4) arranged on the base (1) and located below the stamping and punching mechanism (3); The lower die punching mechanism (4) comprises a die body (41) and a punching flange (42) arranged on the die body (41) and used for inserting into the interior of the workpiece, wherein the punching flange (42) and the punching and punching mechanism (3) are press-fitted to punch a hole on one side wall of the workpiece; The die body (41) is provided with a workpiece avoidance groove (43), the stamping flange (42) is inserted into the workpiece avoidance groove (43), and the die body (41) is also provided with a stamping hole (44) which passes through the die body (41) and the stamping flange (42) and is connected to the workpiece avoidance groove (43), and the stamping hole (44) is used for inserting the stamping and punching mechanism (3).

2. A punching device according to claim 1, characterized in that: The workpiece avoidance groove (43) is open in the horizontal direction, the stamping flange (42) is arranged in the horizontal direction and inserted into the workpiece avoidance groove (43); and the stamping hole (44) is arranged in the vertical direction.

3. A punching device according to claim 1, characterized in that: The stamping flange (42) includes a flange body (421), a straight top pressure surface (422) arranged on the upper side of the flange body (421), and an arc stretching surface (423) arranged on the lower side of the flange body (421); the width of the flange body (421) gradually increases along the direction of insertion into the workpiece avoidance groove (43), and the thickness of the flange body (421) gradually increases along the direction of insertion into the workpiece avoidance groove (43).

4. A punching device according to claim 1, characterized in that: The mold body (41) comprises a connecting mold body (411), an upper guiding mold body (412) connected to the upper end of the connecting mold body (411), and a lower fixed mold body (413) connected to the lower end of the connecting mold body (411) and located below the upper guiding mold body (412), wherein the lower fixed mold body (413) is connected to the base (1); the connecting mold body (411), the upper guiding mold body (412) and the lower fixed mold body (413) are arranged to form the workpiece avoidance groove (43).

5. A punching device according to claim 4, characterized in that: The punching hole (44) comprises an upper guide through hole (441) penetrating the upper guide die body (412) and used for the punching and punching mechanism (3) to pass through, a punching through hole (442) penetrating the punching flange (42) and aligned with the upper guide through hole (441), and a lower air-avoiding fixing hole (443) provided on the lower fixed die body (413) and aligned with the punching through hole (442).

6. A punching device according to claim 1, characterized in that: The punching and punching mechanism (3) comprises a connecting top column (31) connected to the output end of the punching drive mechanism (2), a clamping seat (32) detachably connected to the connecting top column (31), and a punching needle (33) having one end inserted into the clamping seat (32) and detachably connected to the clamping seat (32); the other end of the punching needle (33) is movably inserted into the lower die punching mechanism (4).

7. A punching device according to claim 6, characterized in that: The connecting top column (31) comprises a connecting sleeve (311) sleeved on the output end of the stamping drive mechanism (2), and a connecting flange (312) provided at the end of the connecting sleeve (311), a connecting groove (313) for inserting the clamping seat (32) is provided between the connecting flange (312) and the connecting sleeve (311), and the connecting sleeve (311) and the output end of the stamping drive mechanism (2) are threadedly matched.

8. A punching device according to claim 7, characterized in that: The clamping seat (32) includes a clamping seat body (321), and a clamping flange (322) provided on the clamping seat body (321) and used for slidingly inserting into the connecting groove (313) in a horizontal direction. The clamping seat (32) is provided with a clamping groove (323) formed by the clamping seat body (321) and the clamping flange (322). The clamping groove (323) is used for the connecting flange (312) to be slidably inserted in a horizontal direction.

9. A punching device according to claim 8, characterized in that: The bottom of the clamping seat (32) is also provided with a punch pin fixing through hole (324) for inserting the punch pin (33), and the clamping seat body (321) is also provided with a punch pin limiting boss (325) at the open end of the punch pin fixing through hole (324), and the punch pin limiting boss (325) and the connecting top column (31) cooperate to press and clamp the end of the punch pin (33) in the vertical direction.

10. A punching device according to claim 9, characterized in that: The punch needle (33) comprises a punch needle body (331), a punch needle fixing flange (332) provided at the upper end of the punch needle body (331) and used for inserting into the punch needle fixing through hole (324), and a cutting inclined slope (333) provided at the lower end of the punch needle body (331).

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