A device for punching end plate finished products

The workpiece is stably fixed by a rotatable tray and clamping mechanism using a hydraulic cylinder and the cooperation of a convex ring and a pressure groove. This solves the vibration and deformation problems during annular punching of round products and improves the accuracy and reliability of punching.

CN117086190BActive Publication Date: 2026-03-24CHANGSHU LONGTENG ROLLING ELEMENT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-22
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

During conventional punching, when punching a circular product into a ring shape, the product is difficult to keep stable, leading to vibration and deformation.

Method used

The pallet and clamping mechanism are rotatably mounted with a hydraulic cylinder. The workpiece is clamped and fixed from top to bottom by the cooperation of the convex ring and the clamping groove. The combined action of the hydraulic cylinder and the clamping mechanism ensures that the workpiece remains stable during rotation.

Benefits of technology

It effectively solves the problems of vibration and deformation of workpieces during the punching process, achieves stable fixation of workpieces, and improves the accuracy and reliability of punching.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117086190B_ABST
Patent Text Reader

Abstract

The end plate finished product punching device aims to solve the problem of fixing the workpiece stably, comprising a bottom plate, a hydraulic cylinder, a pressing mechanism and a punching mechanism, the hydraulic cylinder is rotatably arranged on the bottom plate, a tray is arranged on the hydraulic cylinder, a convex ring is arranged on the driving end of the hydraulic cylinder, the convex ring protrudes upward from the tray, the pressing mechanism comprises a pressing plate, a hollow column and a connecting plate, a pressing groove is arranged on the pressing plate, the pressing groove extends to the outer edge of the pressing plate, the hollow column is arranged on the pressing plate, the inner cavity of the hollow column is communicated with the pressing groove, so that the workpiece is pressed from top to bottom, the hollow column is rotatably arranged on the connecting plate, the bottom end of the hollow column is connected with the pressing plate, the pressing mechanism presses the workpiece from above, the driving end of the hydraulic cylinder is retracted, the convex ring is pressed on the pressing plate, so that the workpiece is fixed when rotating under the joint action of the pressing mechanism and the hydraulic cylinder, thus solving the problem of fixing the workpiece stably.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of mechanical processing, in particular to a end plate finished product punching device. BACKGROUND

[0002] In conventional punching, it is difficult to fix the product, especially the circular product annular punching, that is, the product is punched around the edge, and the product is rotated and punched, and the product will be deformed or displaced during the punching process, that is, the fixed requirement is high. SUMMARY

[0003] The purpose of the present application is to provide an end plate finished product punching device, which solves the problem of stable fixation of workpieces.

[0004] To achieve the above purpose, the technical scheme adopted by the present application is:

[0005] The present application provides an end plate finished product punching device, which comprises a bottom plate, a hydraulic cylinder, a pressing mechanism and a punching mechanism, characterized in that the hydraulic cylinder is rotatably arranged on the bottom plate, a tray is arranged on the hydraulic cylinder, a convex ring is arranged on the driving end of the hydraulic cylinder, the convex ring protrudes upward from the tray, the pressing mechanism comprises a pressing plate, a hollow column and a connecting plate, a pressing groove is arranged on the pressing plate, the pressing groove extends to the outer edge of the pressing plate, the hollow column is arranged on the pressing plate, the inner cavity of the hollow column is in communication with the pressing groove, the hollow column is rotatably arranged on the connecting plate, the extension direction of the pressing groove is located in the moving direction of the punching mechanism, the pressing mechanism has a pressing state and a relaxation state, when the pressing mechanism is in the pressing state, the convex ring covers the pressing groove, and when the pressing mechanism is in the relaxation state, the pressing groove is away from the convex ring.

[0006] Optionally, a fixed plate is arranged on the bottom plate, a plurality of buffer columns and a plurality of fixed columns are arranged on the fixed plate, a sliding plate is slidably arranged on a plurality of the fixed columns, the sliding plate is arranged at the top end of a plurality of the buffer columns, and the fixed plate and the sliding plate are sleeved on the hydraulic cylinder.

[0007] Further, a motor is arranged on the fixed plate, a gear is arranged on the driving end of the motor, a gear ring is arranged on the outer wall of the hydraulic cylinder, the gear ring is engaged with the gear, a limiting ring is arranged on the fixed column, and the limiting ring is located on the upper part of the sliding plate.

[0008] Further, a top plate is arranged at the top end of a plurality of the fixed columns, the top plate is sleeved on the hydraulic cylinder, the top plate is provided with a plurality of guide rods, a plurality of the guide rods are provided with an auxiliary plate at the top end, the auxiliary plate is provided with a through hole, the tray is located in the through hole, and the auxiliary plate extends to the bottom of the punching direction of the punching mechanism.

[0009] Further, a limiting mechanism is arranged on the top plate, the limiting mechanism comprises a limiting plate, a first limiting block, a second limiting block and a third limiting block, a plurality of buffer blocks are arranged on the top plate,

[0010] The limiting plate is sleeved on the hydraulic cylinder, the limiting plate is arranged at the top end of the plurality of buffer blocks, the first limiting block, the second limiting block and the third limiting block are adjustably arranged on the top plate, and the tray is located between the first limiting block, the second limiting block and the third limiting block.

[0011] Further, the limiting plate is provided with a first interface, a second interface and a third interface, a first connecting block is arranged in the first interface, a second connecting block is arranged in the second interface, and a third connecting block is arranged in the third interface, the first connecting block, the second connecting block and the third connecting block are arranged on the top plate, the first limiting block is adjustably arranged on the first connecting block, the second limiting block is adjustably arranged on the second connecting block, and the third limiting block is adjustably arranged on the third connecting block.

[0012] Further, the auxiliary plate is provided with a first through hole, a second through hole and a third through hole, the first limiting block extends upward and protrudes from the first through hole, the second limiting block extends upward and protrudes from the second through hole, and the third limiting block extends upward and protrudes from the third through hole.

[0013] Optionally, the pressing mechanism further comprises a support, the support is arranged on the bottom plate, the support is provided with a sliding rail, a sliding block is slidably arranged on the sliding rail, a first lead screw motor and a second lead screw motor are arranged on the sliding block, a first lead screw and a second lead screw are arranged on the support in parallel, the first lead screw motor is sleeved on the first lead screw, the second lead screw motor is sleeved on the second lead screw, and the connecting plate is connected with the sliding block and the hollow column at both ends.

[0014] Further, a first air cylinder and a second air cylinder are arranged on the sliding block, a cover plate is arranged at the driving end of the first air cylinder and the driving end of the second air cylinder, the cover plate is attached to the sliding block, and the cover plate is connected with the connecting plate.

[0015] Optionally, the bottom plate is provided with a first support column and a second support column, the first support column is provided with a first guide rod, the second support column is provided with a second guide rod, the stamping mechanism is slidably arranged on the first guide rod and the second guide rod, the stamping mechanism comprises a stamping upper plate, a stamping middle plate and a stamping lower plate, the stamping upper plate is provided with a first ammonia gas spring and a second nitrogen gas spring, the stamping middle plate is sleeved on the first ammonia gas spring and the second nitrogen gas spring, the stamping lower plate is movably connected with the stamping middle plate, the first ammonia gas spring and the second nitrogen gas spring are in butt joint with the stamping lower plate, the stamping middle plate is provided with a first mounting hole, and the stamping lower plate is provided with a second mounting hole.

[0016] Due to the above technical scheme, the present application has the following advantages compared with the prior art:

[0017] The end plate finished product punching device has the following advantages: the hydraulic cylinder is rotatably arranged, the hydraulic cylinder is provided with a tray for supporting the workpiece, the driving end of the hydraulic cylinder is provided with a convex ring, the pressing plate of the pressing mechanism is provided with a pressing groove, the convex ring is located in the pressing groove, that is, the convex ring covers the pressing groove, which is equivalent to the convex ring covering the pressing plate, and the pressing plate is pressed on the workpiece, so that the workpiece is pressed from top to bottom, the hollow column is rotatably arranged on the connecting plate, the bottom end of the hollow column is connected with the pressing plate, the pressing mechanism presses the workpiece from top to bottom, the driving end of the hydraulic cylinder is retracted, and the convex ring is pressed on the pressing plate, so that the workpiece is fixed when rotating under the joint action of the pressing mechanism and the hydraulic cylinder, and the problem of fixing the workpiece stably is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Some specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, which are exemplary but not limiting. It should be understood by those skilled in the art that the drawings are not necessarily drawn to scale. In the drawings:

[0019] Figure 1 is a perspective view of an end plate finished product punching device according to a preferred embodiment of the present application;

[0020] Figure 2 is Figure 1 the left view shown;

[0021] Figure 3 is Figure 1 the right view shown;

[0022] Figure 4 is Figure 1 the left view without the pressing mechanism;

[0023] Figure 5 is Figure 1The upward separation side view of the stamping mechanism is shown;

[0024] Figure 6 The upward separation side view of the stamping mechanism is shown; Figure 1 The upward separation side view of the stamping mechanism is shown;

[0025] Figure 7 The upward separation side view of the stamping mechanism is shown; Figure 1 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0026] The upward separation side view of the stamping mechanism is shown; Figure 8 The upward separation side view of the stamping mechanism is shown; Figure 1 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0027] The upward separation side view of the stamping mechanism is shown; Figure 9 The upward separation side view of the stamping mechanism is shown; Figure 8 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0028] The upward separation side view of the stamping mechanism is shown; Figure 10 The upward separation side view of the stamping mechanism is shown; Figure 1 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0029] The upward separation side view of the stamping mechanism is shown; Figure 11 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0030] The upward separation side view of the stamping mechanism is shown; Figure 12 The upward separation side view of the stamping mechanism is shown; Figure 1 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0031] The upward separation side view of the stamping mechanism is shown; Figure 13 The upward separation side view of the stamping mechanism is shown; Figure 13 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0032] The upward separation side view of the stamping mechanism is shown; Figure 14 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0033] The upward separation side view of the stamping mechanism is shown; Figure 15 The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0034] The upward separation side view of the stamping mechanism is shown; The upward separation side view of the stamping mechanism is shown;

[0035] 1, bottom plate; 2, hydraulic cylinder; 21, tray; 22, convex ring; 23, gear ring; 3, pressing mechanism;

[0036] 31, pressing plate; 32, hollow column; 33, connecting plate; 34, pressing groove; 35, support; 36, sliding rail; 37, sliding block; 38, cover plate; 39, notch; 331, first air cylinder; 332, second air cylinder; 351, first lead screw; 352, second lead screw; 371, first lead screw motor; 372, second lead screw motor; 4, stamping mechanism; 41, first support column; 42, second support column; 43, first guide part; 44, second guide part; 45, stamping upper plate; 46, stamping middle plate; 47, stamping lower plate; 451, first nitrogen spring; 452, second nitrogen spring; 461, first mounting hole; 471, second mounting hole; 40, support column; 401, blanking hole; 48, middle plate mounting hole; 49, lower plate mounting hole; 50, punch; 5, fixed plate; 51, buffer column; 52, fixed column; 55, limiting ring; 61, motor; 62, gear; 6, sliding plate; 63, first sliding plate air cylinder; 64, second sliding plate air cylinder;

[0037] 7, top plate; 71, guide rod; 72, buffer block; 75, first limiting air cylinder; 76, second limiting air cylinder; 77, third limiting air cylinder; 8, auxiliary plate; 81, through hole; 83, first through hole; 84, second through hole; 85, third through hole; 9, limiting mechanism; 90, limiting plate; 91, first limiting block; 92, second limiting block; 93, third limiting block; 94, buffer groove; 95, first connecting block; 96, second connecting block; 97, third connecting block; 901, first interface; 902, second interface; 903, third interface; 905, first driving hole; 906, second driving hole; 907, third driving hole;

[0038] 10, workpiece. DETAILED DESCRIPTION

[0039] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are 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.

[0040] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0041] In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as they do not conflict with each other.

[0042] As shown in Figure 1 and Figure 2 , including the base plate 1, hydraulic cylinder 2, pressing mechanism 3 and stamping mechanism 4, the pressing mechanism 3 and the stamping mechanism 4 are arranged on the base plate 1, the hydraulic cylinder 2 is rotatably arranged on the base plate 1, the hydraulic cylinder 2 is provided with a tray 21, the tray 21 can rotate with the hydraulic cylinder 2, the tray 21 is sleeved on the upper part of the hydraulic cylinder 2, the tray 21 is used to place the workpiece 10, and the driving end of the hydraulic cylinder 2 is higher than the position of the tray 21.

[0043] The driving end of the hydraulic cylinder 2 is provided with a convex ring 22, the convex ring 22 protrudes upward from the tray 21, the driving end of the hydraulic cylinder 2 drives the convex ring 22 to move up and down, the pressing mechanism 3 includes a pressing plate 31, a hollow column 32 and a connecting plate 33, the pressing plate 31 is provided with a pressing groove 34, the pressing groove 34 extends to the outer edge of the pressing plate 31, the convex ring 22 is located in the extension path of the opening end of the pressing groove 34, the hollow column 32 is arranged on the pressing plate 31, the inside of the hollow column 32 is hollow, and the inner cavity of the hollow column 32 is communicated with the pressing groove 34.

[0044] The hollow column 32 is rotatably arranged on the connecting plate 33, the hollow column 32 and the connecting plate 33 are connected together through bearings, the top end of the hollow column 32 is rotatably connected to the connecting plate 33, the bottom end of the hollow column 32 is connected to the pressing plate 31, the extension direction of the pressing groove 34 is located in the stamping direction of the stamping mechanism 4, the workpiece 10 is placed on the tray 21, the hollow column 32 has a notch 39, the opening of the notch 39 is consistent with the extension direction of the pressing groove 34, under the action of the pressing mechanism 3, then the pressing groove 34 on the pressing plate 31 passes through the bottom of the convex ring 22, and the top of the convex ring 22 covers the pressing groove 34, that is, the width of the top of the convex ring 22 is wider than the width of the pressing groove 34, so that the bottom of the convex ring 22 is located in the pressing groove 34, and actually the top of the convex ring 22 covers the pressing plate 31, which is equivalent to that the bottom of the convex ring 22 passes through the notch 39, and then the top of the convex ring 22 enters the inner cavity of the hollow column 32, under the action of the hydraulic cylinder 2, the convex ring 22 moves downward, and then the pressing plate 31 covers the workpiece 10, so as to realize the retraction of the driving end of the hydraulic cylinder 2, the top of the convex ring 22 presses the pressing plate 31, and the pressing mechanism 3 gives the pressing plate 31 downward pressure, under the joint action of the hydraulic cylinder 2 and the pressing mechanism 3, the workpiece 10 is fixed.

[0045] The radius of the workpiece 10 is longer than the radius of the pressing plate 31, and the radius of the workpiece 10 is also longer than the radius of the tray 21, so that the workpiece 10 extends to the outer edge of the pressing plate 31 and the outer edge of the tray 21, and actually extends to the punching direction of the punching mechanism 4, so that the part of the workpiece 10 located at the outer edge of the pressing plate 31 and the outer edge of the tray 21 is punched by the punching mechanism 4, and the top column 40 is connected to the punching end of the punching mechanism 4, and the top column 40 is located outside the pressing plate 31 and the tray 21, so that the workpiece 10 extends to the top end of the top column 40, and the punching mechanism 4 punches the workpiece 10 aligned with the top end of the top column 40, and the top column 40 can also be provided with a blanking hole 401, and the inside of the top column 40 is provided with a blanking bin, so that the waste punched down enters the blanking bin, and the top column 40 cooperates with the working of the punching mechanism 4, and the top column 40 can also support the workpiece 10.

[0046] The pressing mechanism 3 has a pressing state and a relaxation state, when the pressing mechanism 3 is in the pressing state, the top of the convex ring 22 covers the pressing groove 34, when the pressing mechanism 3 is in the relaxation state, the pressing groove 34 is away from the bottom of the convex ring 22.

[0047] The hydraulic cylinder 2, the pressing mechanism 3 and the punching mechanism 4 are all signal connected with the PLC controller.

[0048] The fixed plate 5 is arranged on the bottom plate 1, the fixed plate 5 is arranged with a plurality of buffer columns 51 and a plurality of fixed columns 52, a plurality of fixed columns 52 can be slidably arranged with a sliding plate 6, that is, the sliding plate 6 can slide on the plurality of fixed columns 52, the sliding plate 6 is arranged at the top end of the plurality of buffer columns 51, and the fixed plate 5 and the sliding plate 6 are both sleeved on the hydraulic cylinder 2, because the punching mechanism 4 punches the workpiece 10, the hydraulic cylinder 2 has a downward pressure, the sliding plate 6 directly bears the downward pressure of the hydraulic cylinder 2, so the sliding plate 6 slides downward on the plurality of fixed columns 52, and the plurality of buffer columns 51 are extruded by the sliding plate 6, the plurality of buffer columns 51 have a buffering effect, when the punching mechanism 4 resets after punching, the plurality of buffer columns 51 push the sliding plate 6 back to reset, the area of the bottom plate 1 is larger than the area of the fixed plate 5, so that the fixed plate 5 bears a smaller pressure, accordingly, the bottom plate 1 is not easy to be damaged, and the ground under the bottom plate 1 is also not easy to be damaged.

[0049] The motor 61 is arranged on the sliding plate 6, the driving end of the motor 61 is provided with a gear 62, and the outer wall of the hydraulic cylinder 2 is provided with a gear ring 23, the gear ring 23 is engaged with the gear 62, and the motor 61 is signal connected with the PLC controller, when the driving end of the motor 61 rotates, the gear 62 rotates, so as to realize the rotation of the hydraulic cylinder 2.

[0050] The fixed column 52 is provided with a limiting ring 55, and the limiting ring 55 is located on the upper part of the sliding plate 6, so that the upward movement distance of the sliding plate 6 is limited. Meanwhile, the fixed plate 5 is provided with a first sliding plate cylinder 63 and a second sliding plate cylinder 64, and the first sliding plate cylinder 63 and the second sliding plate cylinder 64 are arranged on the two sides of the fixed plate 5 respectively. The driving end of the first sliding plate cylinder 63 and the driving end of the second sliding plate cylinder 64 are both connected to the sliding plate 6. In order to ensure that the sliding plate 6 remains in a horizontal state, the sliding plate 6 will vibrate when the punching mechanism 4 punches a hole, thereby affecting the stability. Therefore, if the sliding plate 6 is inclined, the driving end of the first sliding plate cylinder 63 and the driving end of the second sliding plate cylinder 64 can jointly support the sliding plate 6. The driving end of the first sliding plate cylinder 63 and the driving end of the second sliding plate cylinder 64 can move up and down together with the sliding plate 6.

[0051] The first sliding plate cylinder 63 and the second sliding plate cylinder 64 are both connected to the PLC controller.

[0052] The auxiliary plate 8 is provided with a first through hole 83, a second through hole 84 and a third through hole 85. The first limiting block 91 extends upwardly from the first through hole 83. The second limiting block 92 extends upwardly from the second through hole 84. The third limiting block 93 extends upwardly from the third through hole 85. The first limiting block 91 is movable in the first through hole 83. The second limiting block 92 is movable in the second through hole 84. The third limiting block 93 is movable in the third through hole 85.

[0053] As shown in Figure 3 and Figure 4 and Figure 5 The top plate 7 is arranged on the top of the plurality of fixed columns 52. The top plate 7 is sleeved on the hydraulic cylinder 2. The top plate 7 is provided with a plurality of guide rods 71. The auxiliary plate 8 is arranged on the top of the plurality of guide rods 71. The auxiliary plate 8 is provided with a through hole 81 and an auxiliary groove 82. The tray 21 is located in the through hole 81. The tray 21 rotates in the through hole 81. The tray 21 is not in contact with the auxiliary plate 8. The opening end of the auxiliary groove 82 extends to the bottom of the punching direction of the punching mechanism 4 and extends to the outer edge of the auxiliary plate 8. The through hole 81 is connected with the auxiliary groove 82. The auxiliary groove 82 is located at the bottom of the punching mechanism 4. The waste generated when the punching mechanism 4 punches a hole falls from the auxiliary groove 82. The punching end of the punching mechanism 4 can extend into the auxiliary groove 82.

[0054] The first top plate cylinder 73 and the second top plate cylinder 74 are arranged on the two sides of the top plate 7. The driving end of the first top plate cylinder 73 and the driving end of the second top plate cylinder 74 are both connected to the auxiliary plate 8. The first top plate cylinder 73 and the second top plate cylinder 74 are both connected to the PLC controller.

[0055] As shown in Figure 6 and Figure 7As shown, the top plate 7 is provided with a limiting mechanism 9, the limiting mechanism 9 includes a limiting plate 90, a first limiting block 91, a second limiting block 92 and a third limiting block 93, the top plate 7 is provided with a plurality of buffer blocks 72, the limiting plate 90 is sleeved on the hydraulic cylinder 2, the limiting plate 90 is arranged at the top end of the plurality of buffer blocks 72, the first limiting block 91, the second limiting block 92 and the third limiting block 93 are adjustably arranged on the top plate 7, the first limiting block 91, the second limiting block 92 and the third limiting block 93 are on the three vertices of an isosceles triangle, and the tray 21 is located between the first limiting block 91, the second limiting block 92 and the third limiting block 93.

[0056] The top plate 7 is also provided with a first limiting cylinder 75, a second limiting cylinder 76 and a third limiting cylinder 77, the driving end of the first limiting cylinder 75, the driving end of the second limiting cylinder 76 and the driving end of the third limiting cylinder 77 are connected with the limiting plate 90, the first limiting cylinder 75, the second limiting cylinder 76 and the third limiting cylinder 77 jointly assist the limiting plate 90 to keep balance, the first limiting cylinder 75, the second limiting cylinder 76 and the third limiting cylinder 77 are located at the three vertices of a triangle, the top plate 7 is movably provided with a first guide column 750, a second guide column 760, a third guide column 770 and a fourth guide column 780, the top end of the first guide column 750, the top end of the second guide column 760, the top end of the third guide column 770 and the top end of the fourth guide column 780 are connected with the limiting plate 90, when the punching mechanism 4 punches, the limiting plate 90 is prevented from tilting, the first limiting cylinder 75, the second limiting cylinder 76 and the third limiting cylinder 77 are used to keep the height of the limiting plate 90, and the first guide column 750, the second guide column 760, the third guide column 770 and the fourth guide column 780 make the limiting plate 90 and the moving path not deviate.

[0057] The top plate 7 is also provided with a plurality of cushion blocks 78, the number of the cushion blocks 78 is consistent with the number of the buffer blocks 72, and the first limiting cylinder 75, the second limiting cylinder 76 and the third limiting cylinder 77 are connected with the PLC controller signal.

[0058] As shown in the figure, Figure 8 The bottom of the limiting plate 90 is provided with a plurality of buffer grooves 94, the number of the buffer grooves 94 is consistent with the number of the buffer blocks 72, the buffer grooves 94 are arranged in the vertical direction of the buffer blocks 72, the top end of the buffer block 72 is arranged in the buffer groove 94, and the height of the cushion block 78 is lower than the height of the buffer block 72. When the limiting plate 90 moves downward, if the set height is exceeded, the limiting plate 90 will be lifted by the cushion block 78.

[0059] The limiting plate 90 is also provided with a first driving hole 905, a second driving hole 906 and a third driving hole 907. The driving end of the first limiting cylinder 75 is located in the first driving hole 905, the driving end of the second limiting cylinder 76 is located in the second driving hole 906, and the driving end of the third limiting cylinder 77 is located in the third driving hole 907.

[0060] like Figure 9 and Figure 10 As shown, the limiting plate 90 is provided with a first interface 901, a second interface 902, and a third interface 903. A first connecting block 95 is snapped into the first interface 901. The first interface 901 and the first connecting block 95 are detachable in the vertical direction and snapped together in the horizontal direction. A second connecting block 96 is snapped into the second interface 902. The second interface 902 and the second connecting block 96 are detachable in the vertical direction and snapped together in the horizontal direction. A third connecting block 97 is snapped into the third interface 903. The third interface 903 and the third connecting block 97 are detachable in the vertical direction and snapped together in the horizontal direction. The first connecting block 95, the second connecting block 96, and the third connecting block 97 are all provided on the top plate 7.

[0061] The first limiting block 91 is adjustablely mounted on the first connecting block 95, the second limiting block 92 is adjustablely mounted on the second connecting block 96, and the third limiting block 93 is adjustablely mounted on the third connecting block 97. That is, the position of the first limiting block 91 on the first connecting block 95 can be changed, the position of the second limiting block 92 on the second connecting block 96 can be changed, and the position of the third limiting block 93 on the third connecting block 97 can be changed.

[0062] like Figure 11 As shown, the first limiting block 91, the second limiting block 92, and the third limiting block 93 all have the same shape. The first limiting block 91, the second limiting block 92, and the third limiting block 93 all have a first limiting groove 911 and a second limiting groove 912. The first limiting block 91, the second limiting block 92, and the third limiting block 93 also have a first extension 913 and a second extension 914. A first pressing block 915 and a second pressing block 916 are provided corresponding to the first extension 913 and the second extension 914. A first pressing strip 917 is provided on the first pressing block 915, and a second pressing strip 918 is provided on the second pressing block 916. The first pressing strip 917 covers the first extension 913, and the second pressing strip 918 covers the second extension 914. The first pressing block 915 and the second pressing block 916 are both provided on the top plate 7.

[0063] like Figure 12As shown, the pressing mechanism 3 further comprises a support 35 arranged on the base plate 1, the support 35 is a right-angle tripod, the right-angle side is arranged on the base plate 1, the support 35 is provided with a sliding rail 36 arranged on the other right-angle side, the sliding rail 36 is provided with a sliding block 37 slidingly arranged thereon, the sliding block 37 is provided with a first lead screw motor 371 and a second lead screw motor 372, the support 35 is provided with a first lead screw 351 and a second lead screw 352 arranged in parallel at a certain interval, the first lead screw motor 371 is sleeved on the first lead screw 351, the second lead screw motor 372 is sleeved on the second lead screw 352, and the connecting plate 33 is connected to the sliding block 37 and the hollow column 32 at both ends respectively.

[0064] The first lead screw motor 371 and the second lead screw motor 372 are both signal connected with the PLC controller, when the driving end of the first lead screw motor 371 and the driving end of the second lead screw motor 372 rotate together, the first lead screw motor 371 moves on the first lead screw 351, and the second lead screw motor 372 moves on the second lead screw 352, so that the first lead screw motor 371 and the second lead screw motor 372 jointly carry the sliding block 37 to move, and then the sliding block 37 can carry the connecting plate 33 to move, so that the hollow column 32 can approach or move away from the convex ring 22, and correspondingly, the pressing plate 31 approaches or moves away from the workpiece 10, and the number of the first lead screw motor 371 and the number of the second lead screw motor 372 are not limited.

[0065] The sliding block 37 is provided with a first air cylinder 331 and a second air cylinder 332, the first air cylinder 331 and the second air cylinder 332 are arranged on the two sides of the sliding block 37 respectively, the driving end of the first air cylinder 331 and the driving end of the second air cylinder 332 are provided with a cover plate 38, the cover plate 38 is attached to the sliding block 37, and the cover plate 38 is connected with the connecting plate 33, so that the first air cylinder 331 and the second air cylinder 332 can jointly drive the cover plate 38 to move upward or downward, so that the pressing plate 31 can move upward or downward, that is, the pressing plate 31 can press the workpiece 10 from the vertical direction, and the first air cylinder 331 and the second air cylinder 332 are signal connected with the PLC controller.

[0066] Further, the sliding block 37 is provided with a first guide column 333 and a second guide column 334, the first guide column 333 and the second guide column 334 are symmetrically arranged, and the number of the first guide column 333 and the number of the second guide column 334 are not limited.

[0067] The base plate 1 is provided with a first support 41 and a second support 42, the first support 41 is provided with a first guide part 43, the second support 42 is provided with a second guide part 44, and the first support 41 and the second support 42 are arranged at the same height and at a certain interval, so that the first guide part 43 and the second guide part 44 are arranged at the same height and at a certain interval, and the stamping mechanism 4 can be slidingly arranged on the first guide rod 43 and the second guide rod 44.

[0068] AsFigure 13 and Figure 14 and Figure 15 As shown in the figure, the stamping mechanism 4 comprises a stamping upper plate 45, a stamping middle plate 46 and a stamping lower plate 47, the stamping upper plate 45 is provided with a first ammonia gas spring 451 and a second nitrogen gas spring 452, the first ammonia gas spring 451 and the second nitrogen gas spring 452 are arranged on both sides of the bottom of the stamping upper plate 45, the first ammonia gas spring 451 is arranged at intervals with the second nitrogen gas spring 452, the stamping middle plate 46 is sleeved on the first ammonia gas spring 451 and the second nitrogen gas spring 452, that is, the first ammonia gas spring 451 and the second nitrogen gas spring 452 pass through the stamping middle plate 46, the stamping upper plate 45 and the stamping middle plate 46 are connected together through the first ammonia gas spring 451 and the second nitrogen gas spring 452, and there is a gap between the stamping upper plate 45 and the stamping middle plate 46.

[0069] The stamping lower plate 47 is movably connected with the stamping middle plate 46, the stamping middle plate 46 is provided with a middle plate mounting hole 48, the stamping lower plate 47 is provided with a lower plate mounting hole 49, the center of the blanking hole 401, the center of the lower plate mounting hole 49 and the center of the middle plate mounting hole 48 are on a straight line, the stamping upper plate 45 is provided with a punch 50, the punch 50 extends into the middle plate mounting hole 48 and the lower plate mounting hole 49, when the stamping mechanism 4 moves downward, the front end of the punch 50 is aligned with the blanking hole 401 and enters the blanking hole 401, so that the workpiece 10 on the top pillar 40 is punched with a hole, and the waste is collected from the blanking hole 401.

[0070] The first ammonia gas spring 451 and the second nitrogen gas spring 452 are butt jointed with the stamping lower plate 47, the stamping lower plate 47 is provided with a first screw 461 and a second screw 462, the first screw 461 and the second screw 462 are respectively located on both sides of the stamping lower plate 47, the first screw 461 and the second screw 462 are movably connected with the stamping middle plate 46, the stamping middle plate 46 is correspondingly provided with a first movable hole 463 and a second movable hole 464, the first screw 461 is movably arranged in the first movable hole 463, and the second screw 462 is movably arranged in the second movable hole 464, the stamping lower plate 47 is provided with a plurality of guide pieces 470, and the plurality of guide pieces 470 are movably connected with the stamping middle plate 46.

[0071] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application, any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.

Claims

1. A punching device for finished end plates, comprising a base plate (1), a hydraulic cylinder (2), a clamping mechanism (3), and a punching mechanism (4), wherein the clamping mechanism (3) and the punching mechanism (4) are both disposed on the base plate (1), characterized in that, The hydraulic cylinder (2) is rotatably mounted on the base plate (1). A tray (21) is mounted on the hydraulic cylinder (2). A convex ring (22) is mounted on the driving end of the hydraulic cylinder (2). The driving end of the hydraulic cylinder (2) can drive the convex ring (22) to move up and down. The convex ring (22) protrudes upward from the tray (21). The pressing mechanism (3) includes a pressure plate (31), a hollow column (32), and a connecting plate (33). A pressing groove (34) is mounted on the pressure plate (31). The pressing groove (34) extends to the outer edge of the pressure plate (31). The hollow column (32) is mounted on the pressure plate (31). The inner cavity of the hollow column (32) is connected to the pressing groove (34). The hollow column (32) is rotatably mounted on the connecting plate (33). The direction of the extension of the groove (34) is located in the stamping direction of the stamping mechanism (4). The hollow column (32) has a notch (39). The opening of the notch (39) is consistent with the extension direction of the groove (34). A top column (40) is provided on the bottom plate (1). The top column (40) is connected to the stamping end of the stamping mechanism (4). The convex ring (22) is provided to cooperate with the groove (34). The distance between the pressure plate (31) and the tray (21) is provided. The clamping mechanism (3) has a clamping state and a relaxing state. When the clamping mechanism (3) is in the clamping state, the convex ring (22) covers the groove (34). When the clamping mechanism (3) is in the relaxing state, the groove (34) is away from the convex ring (22). A fixing plate (5) is provided on the base plate (1). Multiple buffer columns (51) and multiple fixing columns (52) are provided on the fixing plate (5). A sliding plate (6) is slidably provided on the multiple fixing columns (52). The sliding plate (6) is provided at the top of the multiple buffer columns (51). The fixing plate (5) and the sliding plate (6) are both sleeved on the hydraulic cylinder (2). A top plate (7) is provided at the top of the multiple fixed columns (52). The top plate (7) is sleeved on the hydraulic cylinder (2). A limiting mechanism (9) is provided on the top plate (7). The limiting mechanism (9) includes a limiting plate (90), a first limiting block (91), a second limiting block (92), and a third limiting block (93). A multiple buffer block (72) is provided on the top plate (7). The limiting plate (90) is sleeved on the hydraulic cylinder (2). The limiting plate (90) is located at the top of the multiple buffer blocks (72). The first limiting block (91), the second limiting block (92), and the third limiting block (93) are all adjustablely arranged on the top plate (7). The tray (21) is located between the first limiting block (91), the second limiting block (92), and the third limiting block (93).

2. The punching device for the finished end plate according to claim 1, characterized in that, A motor (61) is provided on the slide plate (6), and a gear (62) is provided on the drive end of the motor (61). A gear ring (23) is provided on the outer wall of the hydraulic cylinder (2). The gear ring (23) meshes with the gear (62). A limit ring (55) is provided on the fixed column (52). The limit ring (55) is located on the upper part of the slide plate (6).

3. The punching device for the finished end plate according to claim 2, characterized in that, The top plate (7) is provided with multiple guide rods (71), and the top of the multiple guide rods (71) is provided with an auxiliary plate (8). The auxiliary plate (8) is provided with a through hole (81) and an auxiliary groove (82). The tray (21) is located in the through hole (81). The auxiliary groove (82) extends to the bottom of the stamping direction of the stamping mechanism (4). The through hole (81) is connected to the auxiliary groove (82).

4. The punching device for the finished end plate according to claim 3, characterized in that, The limiting plate (90) is provided with a first interface (901), a second interface (902) and a third interface (903). A first connecting block (95) is snapped into the first interface (901), a second connecting block (96) is snapped into the second interface (902), and a third connecting block (97) is snapped into the third interface (903). The first connecting block (95), the second connecting block (96) and the third connecting block (97) are all provided on the top plate (7). The first limiting block (91) is adjustablely provided on the first connecting block (95), the second limiting block (92) is adjustablely provided on the second connecting block (96), and the third limiting block (93) is adjustablely provided on the third connecting block (97).

5. The punching device for the finished end plate according to claim 4, characterized in that, The auxiliary plate (8) is provided with a first through hole (83), a second through hole (84) and a third through hole (85). The first limiting block (91) extends upward and protrudes from the first through hole (83), the second limiting block (92) extends upward and protrudes from the second through hole (84), and the third limiting block (93) extends upward and protrudes from the third through hole (85).

6. The punching device for finished end plates according to claim 1, characterized in that, The clamping mechanism (3) further includes a bracket (35), which is mounted on the base plate (1). A slide rail (36) is mounted on the bracket (35), and a slider (37) is slidably mounted on the slide rail (36). A first lead screw motor (371) and a second lead screw motor (372) are mounted on the slider (37). A first lead screw (351) and a second lead screw (352) are mounted on the bracket (35) at parallel intervals. The first lead screw motor (371) is sleeved on the first lead screw (351), and the second lead screw motor (372) is sleeved on the second lead screw (352). The two ends of the connecting plate (33) are respectively connected to the slider (37) and the hollow column (32).

7. The punching device for finished end plates according to claim 6, characterized in that, The slider (37) is provided with a first cylinder (331) and a second cylinder (332). The driving end of the first cylinder (331) and the driving end of the second cylinder (332) are provided with a cover plate (38). The cover plate (38) is attached to the slider (37) and is connected to the connecting plate (33).

8. The punching device for finished end plates according to claim 1, characterized in that, The base plate (1) is provided with a first support column (41) and a second support column (42). The first support column (41) is provided with a first guide part (43), and the second support column (42) is provided with a second guide part (44). The stamping mechanism (4) is slidably disposed on the first guide part (43) and the second guide part (44). The stamping mechanism (4) includes a stamping upper plate (45), a stamping middle plate (46) and a stamping lower plate (47). The stamping upper plate (45) is provided with a first ammonia spring (451) and a second nitrogen spring (452). The stamping middle plate (46) is sleeved on the first ammonia spring (451) and the second nitrogen spring (452). The stamping lower plate (47) is movably connected to the stamping middle plate (46). The first ammonia spring (451) and the second nitrogen spring (452) are connected to the stamping lower plate (47).

Citation Information

Patent Citations

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