Double-layer cover plate pressing rivet die

Abstract

The utility model relates to the technical field of metal plate processing, and discloses a double-layer cover plate pressing rivet die which comprises a workbench and a die disc, a fixing frame is fixedly installed in the middle of the surface of the workbench, two sets of limiting clamping devices are arranged on the surface of the die disc, and a positioning stamping device is arranged at the right end of the top of the fixing frame. The limiting and clamping device comprises a lower die, clamping plates are connected to the two sides of the interior of the lower die through telescopic springs, the clamping plates on the two sides are firstly extruded, the telescopic springs are stressed to contract, the double-layer cover plate is placed in the lower die, then the clamping plates are loosened, the telescopic springs reset, and the clamping plates are driven to firmly clamp the double-layer cover plate. After that, the rivet is placed at the connecting point of the double-layer cover plate, the telescopic controller is started, the multi-section push rod pushes the mounting plate and the stabilizing plate to descend, the positioning column descends along with the mounting plate and the stabilizing plate and is inserted into the positioning insertion hole, the upper die applies pressure to enable the rivet to deform, and the two layers of cover plates are tightly connected together.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing technical field especially relates to a double -deck cover plate rivet die. BACKGROUND

[0002] In modern industrial production, the quality, performance and reliability of products are increasingly required. Double-deck cover plate structure is widely used in many fields, and the connection quality of double-deck cover plate directly affects the overall performance and safety of products, therefore, a high-efficiency, reliable double-deck cover plate rivet die is needed to meet market demand. Rivet connection, as a new type of connection technology, has the advantages of high connection strength, good reliability and simple operation. In municipal construction, double-deck manhole cover is a common application of double-deck cover plate. The shape of the manhole cover is usually determined according to the use scene and requirements. Square manhole cover also has its specific application occasion, such as in some special wellhead shape, high coordination requirement with surrounding ground paving or in some specific architectural design style, square double-deck manhole cover can better meet the requirements.

[0003] However, in the existing technical field, the double-deck cover plate die is prone to position deviation during riveting, which may cause the riveting point to deviate from the designed position, resulting in reduced connection strength between the double-deck cover plates and uneven surface of the double-deck cover plates, and appearance defects such as unevenness and uneven gaps may occur. Therefore, we propose a double-deck cover plate rivet die. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double-deck cover plate rivet die to solve the problem of position deviation of the double-deck cover plate die during riveting in the existing technical field as mentioned in the background technology, which may cause the riveting point to deviate from the designed position, resulting in reduced connection strength between the double-deck cover plates and uneven surface of the double-deck cover plates, and appearance defects such as unevenness and uneven gaps may occur.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double-deck cover plate rivet die, comprising a workbench and a die disc, a fixed frame is fixedly installed in the middle of the surface of the workbench, two sets of limiting clamping devices are arranged on the surface of the die disc, a positioning stamping device is arranged at the top right end of the fixed frame, the limiting clamping device comprises a lower die, two clamping plates are connected to the inside of the lower die through extension springs, two sets of limiting sliding grooves are formed at both ends of the bottom of the lower die, a limiting sliding block is fixedly installed at the bottom of the clamping plate, two positioning insertion holes are formed at both ends of the surface of the lower die, the positioning stamping device comprises an extension controller, the extension controller is connected with a mounting plate through a plurality of push rods, the mounting plate is connected with a stable plate and a positioning column through a spring column, and an upper die is fixedly installed at the bottom of the stable plate.

[0006] As a preferred scheme, the surface of the workbench is provided with a limiting circular groove, the bottom of the workbench is fixedly provided with a supporting seat at four corners, and the surface of the workbench and the bottom of the mold disc are provided with a rotating device.

[0007] As a preferred scheme, the two sets of limiting clamping devices are symmetrically arranged, the lower mold is fixedly arranged on the surface of the mold disc, the telescopic spring is provided with four sets, two sets are arranged on the left and right sides, one end of the telescopic spring is fixedly connected with the inner wall of the lower mold, and the other end is fixedly connected with the clamping plate, the clamping plate is arranged in a U shape, and the limiting sliding block is provided with four sets and is slidingly connected in the four limiting sliding grooves.

[0008] As a preferred scheme, the telescopic controller is fixedly arranged at the top right end of the fixed frame, the multi-section push rod is arranged at the output end of the telescopic controller, the mounting plate is fixedly arranged at one end of the multi-section push rod away from the telescopic controller, the spring column is provided with four, the four spring columns are fixedly arranged at the bottom of the mounting plate, the stable plate is fixedly arranged at the top of the four spring columns, and the positioning column is provided with four sets and is fixedly arranged at the bottom of the stable plate.

[0009] As a preferred scheme, the four sets of positioning columns are matched with the four positioning insertion holes, and the upper mold and the lower mold are on the same vertical line.

[0010] As a preferred scheme, the rotating device comprises two sets of motor seats, the surfaces of the two motor seats are fixedly provided with rotating motors, the output ends of the rotating motors are fixedly connected with rotating shafts, one end of the rotating shaft away from the rotating motor is fixedly connected with a driving gear, the bottom of the mold disc and below the lower mold are fixedly connected with positioning rods, the bottoms of the two positioning rods are fixedly connected with positioning sliding blocks, the surface of the workbench is connected with a rotating column through a bearing seat at the shaft center, the circumferential surface of the rotating column is fixedly connected with a driven gear, and the top of the rotating column is fixedly connected with a fixed disc.

[0011] As a preferred scheme, the positioning sliding block is slidingly connected in the limiting circular groove, the two motor seats are fixedly arranged on the surface of the workbench and symmetrically arranged, the driving gear is in engagement with the driven gear, and the surface of the fixed disc is fixedly connected with the bottom shaft center of the mold disc.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1、By setting the limiting clamping device and positioning punch device, first, extruding both sides of the clamping plate, at this time the extension spring is stressed to shrink, then, the double-layer cover plate is placed in the lower die, then the clamping plate is loosened, the extension spring resets, and drives the clamping plate to firmly clamp the double-layer cover plate, ensuring that it is in a stable state, effectively preventing position deviation, then, the rivet is placed at the connecting point of the double-layer cover plate, the telescopic controller is started, the multi-section push rod drives the mounting plate and the stable plate to descend, the positioning column descends and is inserted into the positioning hole, so that the upper die and the lower die are accurately in the same straight line, finally, the upper die exerts pressure, so that the rivet is deformed, thereby tightly connecting the two layers of cover plates together;

[0014] 2、By setting the rotating device, under the action of the rotating motor, the rotating shaft drives the driving gear and the driven gear to rotate, so as to drive the rotating column and the die disc to rotate through the driven gear, the two positioning rods ensure that the device has stability during rotation and stamping, through the rotating device setting, after one double-layer cover plate is formed, the die disc is rotated, and the positioning punch device performs stamping forming on the other double-layer cover plate, the first double-layer cover plate is taken out after cooling, and the other double-layer cover plate is formed at the same time, thereby improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a front view cross-sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is a top view cross-sectional structure schematic diagram of the utility model;

[0018] Figure 4 It is a limiting clamping device structure schematic diagram of the utility model;

[0019] Figure 5 It is a positioning punch device structure schematic diagram of the utility model;

[0020] Figure 6 It is a rotating device structure schematic diagram of the utility model.

[0021] As shown in the figure, 1 is a workbench, 2 is a fixing frame, 3 is a die disc, 4 is a limiting and clamping device, 5 is a positioning and stamping device, 6 is a rotating device, 7 is a limiting circular groove, 8 is a supporting seat, 401 is a lower die, 402 is a limiting sliding groove, 403 is an extension spring, 404 is a clamping plate, 405 is a limiting sliding block, 406 is a positioning hole, 501 is an extension controller, 502 is a multi-section push rod, 503 is a mounting plate, 504 is a spring column, 505 is a stabilizing plate, 506 is a positioning column, 507 is an upper die, 601 is a motor base, 602 is a rotating motor, 603 is a rotating shaft, 604 is a driving gear, 605 is a rotating column, 606 is a driven gear, 607 is a fixing disc, 608 is a positioning rod, and 609 is a positioning sliding block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] Embodiment one

[0024] Please refer to the drawings Figure 1 - the drawings Figure 5The utility model provides a double -deck cover plate pressure riveting mould, including workstation 1 and mould disc 3, the surface middle part of workstation 1 is fixedly installed with fixed frame 2, the surface of mould disc 3 is equipped with two groups of limit clamping devices 4, the top right -hand side of fixed frame 2 is equipped with positioning stamping device 5, limit clamping devices 4 include lower mould 401, and the both sides in lower mould 401 are connected with clamping plate 404 through telescopic spring 403, and the both ends of the bottom of lower mould 401 are equipped with two groups of limit sliding slot 402, and the bottom of clamping plate 404 is fixedly installed with limit sliding block 405, and the both ends of the surface of lower mould 401 are equipped with two positioning insertion hole 406, and positioning stamping device 5 includes telescopic controller 501, and telescopic controller 501 is connected with mounting plate 503 through multiple push rods 502, and mounting plate 503 is connected with firm plate 505 and positioning column 506 through spring column 504, and the bottom of firm plate 505 is fixedly installed with upper mould 507, and the surface of workstation 1 is equipped with limit round groove 7, and the bottom of workstation 1 is fixedly installed with support base 8, and the surface of workstation 1 and located at the bottom of mould disc 3 are equipped with rotating device 6, and mould disc 3 does not contact with fixed frame 2, and two groups of limit clamping devices 4 are symmetrically arranged, and lower mould 401 is fixedly installed on the surface of mould disc 3, and telescopic spring 403 is provided with four groups, and each group is arranged on the left and right sides, and one end of telescopic spring 403 is fixedly connected with the inner wall of lower mould 401, and the other end is fixedly connected with clamping plate 404, and clamping plate 404 is arranged in U shape, and limit sliding block 405 is provided with four groups and is slidingly connected in the inside of four limit sliding slots 402 respectively, and telescopic controller 501 is fixedly installed on the top right -hand side of fixed frame 2, and multiple push rods 502 are arranged on the output end of telescopic controller 501, and mounting plate 503 is fixedly installed on one end of multiple push rods 502 away from telescopic controller 501, and spring column 504 is provided with four, and four spring columns 504 are fixedly installed on the bottom four corners of mounting plate 503 respectively, and firm plate 505 is fixedly installed on the top of four spring columns 504, and positioning column 506 is provided with four groups and is fixedly installed on the bottom four corners of firm plate 505 respectively, and four groups of positioning column 506 are adapted to four positioning insertion holes 406, and upper mould 507 is on the same perpendicular line with lower mould 401.

[0025] Limit sliding block 405 moves in limit sliding slot 402, ensure that clamping plate 404 is more stable to the double -deck cover plate clamping, when positioning stamping device 5 stamps, when position deviation occurs, positioning column 506 cannot insert inside positioning insertion hole 406, upper mould 507 cannot contact with double -deck cover plate, improve the accuracy, the setting of multiple spring columns 504 ensures that when exerting pressure can even exert force, avoid damaging double -deck cover plate because of rigid contact.

[0026] Specific, first squeeze both sides of the clamping plate 404, retractable spring 403 force shrink, put the double-layer cover plate in the lower die 401 inside, loosen the clamping plate 404, retractable spring 403 reset clamping plate 404 driven by double-layer cover plate clamping, ensure that it is in a stable state, prevent the position deviation, then put the rivet in the connection point of double-layer cover plate, start the stretch controller 501, multiple push rod 502 driven mounting plate 503 and stable plate 505 down, positioning column 506 is inserted into the positioning hole 406 after the drop, so that the upper die 507 and lower die 401 are in the same straight line, the upper die 507 exerts pressure to make the rivet deformation, so that the two layers of cover plate is connected together.

[0027] Example two:

[0028] Please refer to the attached Figure 1 - attached Figure 3 and attached Figure 6 , and on the basis of example one, further get, rotating device 6 includes two groups of motor seat 601, the surface of two motor seat 601 is fixedly installed with rotating motor 602, the output end of rotating motor 602 is fixedly connected with rotating shaft 603, the end away from rotating motor 602 of rotating shaft 603 is fixedly connected with driving gear 604, the bottom of two ends of mold disc 3 and below the lower die 401 is fixedly connected with positioning rod 608, the bottom of two positioning rods 608 is fixedly connected with positioning sliding block 609, the surface of workbench 1 is connected with rotating column 605 through bearing seat, the circumferential surface of rotating column 605 is fixedly connected with driven gear 606, the top of rotating column 605 is fixedly connected with fixed disc 607, positioning sliding block 609 is slidingly connected in the inside of limiting circular groove 7, two motor seats 601 are fixedly installed on the surface of workbench 1 and symmetrically arranged, driving gear 604 is engagedly connected with driven gear 606, the surface of fixed disc 607 is fixedly connected with the bottom axis of mold disc 3.

[0029] Two positioning rods 608 are arranged below the lower die 401, which prevents the mold disc 3 from being cut obliquely when the pressure is applied, the rotating motor 602 drives the driving gear 604 to rotate, which is stopped after rotating the mold disc 3 by 180 degrees through advance setting, ensuring that the double-layer cover plate after forming moves to one side while the other side is exactly below the positioning stamping device 5.

[0030] Specific, under the action of rotating motor 602, rotating shaft 603 drives the driving gear 604 and driven gear 606 rotation, thereby driving rotating column 605 and die disc 3 rotation through driven gear 606, two positioning rods 608 ensure that the device has stability when rotating and stamping, through the rotating device 6 setting, after a double-layer cover plate is formed, the die disc 3 rotates and the positioning stamping device 5 stamps another double-layer cover plate, the first double-layer cover plate is taken out after cooling, and the other double-layer cover plate is formed, thereby improving the work efficiency.

[0031] The utility model discloses a double-layer cover plate riveting die, first extruding both sides's clamping plate 404, telescopic spring 403 force contraction, place double-layer cover plate in the inside of lower mould 401, loosen clamping plate 404, telescopic spring 403 reset drive clamping plate 404 clamping double-layer cover plate, place rivet at the connecting point of double-layer cover plate subsequently, start telescopic controller 501, and multiple section push rod 502 drive mounting plate 503 and firm plate 505 drop, and positioning column 506 drops and inserts in positioning bush 406, make upper mould 507 and lower mould 401 be in same straight line, and upper mould 507 exerts pressure and makes rivet deformation, thereby tightly connect two layers cover plate together, after this, rotating motor 602 acts, rotating shaft 603 drives the driving gear 604 and driven gear 606 rotation, thereby driving rotating column 605 and die disc 3 rotation through driven gear 606, after rotating 180 degrees, the double-layer cover plate of forming is removed to one side, and the double-layer cover plate of other side is removed to the just below of positioning stamping device 5, and the first double-layer cover plate is taken out after cooling, and the other double-layer cover plate is formed, by this, entire flow ends.

[0032] Finally, it should be noted that: the above-mentioned only for the preferred embodiment of the utility model has, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A double-layer cover plate riveting die, comprising a workbench (1) and a die plate (3), characterized in that: A fixing frame (2) is fixedly installed in the middle of the surface of the workbench (1), two groups of limiting clamping devices (4) are provided on the surface of the mold plate (3), and a positioning punching device (5) is provided at the top right end of the fixing frame (2). The limiting clamping device (4) includes a lower mold (401), and the inner two sides of the lower mold (401) are connected to a clamping plate (404) through a telescopic spring (403). Two groups of limiting sliding grooves (402) are provided at both ends of the bottom of the lower mold (401), and a limiting slider (405) is fixedly installed at the bottom of the clamping plate (404). Two positioning sockets (406) are provided at both ends of the surface of the lower mold (401); The positioning punching device (5) includes a telescopic controller (501), the telescopic controller (501) is connected to a mounting plate (503) via a multi-section push rod (502), the mounting plate (503) is connected to a stabilizing plate (505) and a positioning column (506) via a spring column (504), and an upper mold (507) is fixedly mounted on the bottom of the stabilizing plate (505).

2. The double-layer cover plate riveting die according to claim 1, characterized in that: A limited circular groove (7) is provided on the surface of the workbench (1), and support seats (8) are fixedly installed at the four corners of the bottom of the workbench (1). A rotating device (6) is provided on the surface of the workbench (1) and at the bottom of the mold plate (3), and the mold plate (3) does not contact the fixed frame (2).

3. The double-layer cover plate riveting die according to claim 1, characterized in that: The two groups of the limiting clamping devices (4) are symmetrically arranged, the lower mold (401) is fixedly installed on the surface of the mold plate (3), four groups of the telescopic springs (403) are arranged, and two groups are arranged on each of the left and right sides, one end of the telescopic spring (403) is fixedly connected to the inner wall of the lower mold (401), and the other end is fixedly connected to the clamping plate (404), and the clamping plate (404) is arranged in a U shape, and four groups of the limiting sliders (405) are arranged and are respectively slidably connected to the inside of the four limiting slide grooves (402).

4. The double-layer cover plate riveting die according to claim 1, characterized in that: The telescopic controller (501) is fixedly mounted on the top right end of the fixing frame (2); the multi-section push rod (502) is arranged at the output end of the telescopic controller (501); the mounting plate (503) is fixedly mounted on one end of the multi-section push rod (502) away from the telescopic controller (501); four spring columns (504) are provided, and the four spring columns (504) are respectively fixedly mounted on the bottom four corners of the mounting plate (503); the stabilizing plate (505) is fixedly mounted on the top of the four spring columns (504); and four groups of positioning columns (506) are provided and respectively fixedly mounted on the bottom four corners of the stabilizing plate (505).

5. The double-layer cover plate riveting die according to claim 1, characterized in that: The four groups of positioning posts (506) are matched with the four positioning sockets (406), and the upper mold (507) and the lower mold (401) are located on the same vertical line.

6. The double-layer cover plate riveting die according to claim 2, characterized in that: The rotating device (6) comprises two groups of motor seats (601), the surfaces of the two motor seats (601) are fixedly mounted with rotating motors (602), the output end of the rotating motor (602) is fixedly connected to a rotating shaft (603), one end of the rotating shaft (603) away from the rotating motor (602) is fixedly connected to a driving gear (604), the two ends of the bottom of the mold plate (3) and located directly below the lower mold (401) are fixedly connected to positioning rods (608), the bottoms of the two positioning rods (608) are fixedly connected to positioning sliders (609), the surface axis of the workbench (1) is connected to a rotating column (605) through a bearing seat, the circumferential surface of the rotating column (605) is fixedly connected to a driven gear (606), and the top of the rotating column (605) is fixedly connected to a fixed disk (607).

7. The double-layer cover plate riveting die according to claim 6, characterized in that: The positioning slider (609) is slidably connected to the inside of the limiting circular groove (7), the two motor seats (601) are fixedly mounted on the surface of the workbench (1) and are symmetrically arranged, the driving gear (604) is meshedly connected with the driven gear (606), and the surface of the fixed plate (607) is fixedly connected to the bottom axis of the mold plate (3).

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