Punch forming device for sheet metal parts

Abstract

The stamping forming device comprises a base, supporting plates are fixedly connected to the two sides of the top of the base, the tops of the two supporting plates are fixedly connected with the same top plate, a stamping seat is fixed to the top of the base in a magnetic attraction mode, a stamping head is arranged above the stamping seat in a matched mode, and a stamping groove is formed in the top of the stamping head. A mounting plate is magnetically fixed to the top of the punching head, and a hydraulic cylinder is fixedly embedded in the top of the top plate. Through the arrangement of a series of structures, a sheet metal part can be preliminarily pressed and fixed before being stamped, the risk of displacement of the sheet metal part in the stamping process can be effectively reduced, the stamping stability is improved, the formed sheet metal part can be automatically ejected out in the rising process of the stamping head after stamping, a worker can conveniently take out a product, and the production efficiency is improved. And in addition, the stamping head and the stamping seat can be rapidly replaced in a simple pulling mode, and personnel operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping forming equipment technical field especially relates to a kind of stamping forming device for sheet metal part. BACKGROUND

[0002] Stamping forming refers to by press and die to sheet metal part, strip, pipe and section bar etc. Outside force is exerted, so that it generates plastic deformation or separates, thereby obtaining the processing forming method of the workpiece (stamping part) of required shape and size, the stamping forming device for sheet metal part in prior art is mainly composed of stamping head driving element, stamping head and stamping seat, and it has the following shortcomings in use process: 1, after stamping forming, the outside of the formed sheet metal product is generally in close contact with the side wall of stamping seat, and it needs to be pried out with the aid of auxiliary tool when taking out, which is relatively inconvenient;2, lacking the structure of pre-pressing the sheet metal part during stamping process, the displacement of sheet metal part may exist during stamping process, thereby affecting the stability of stamping;3, different shapes of sheet metal parts require different stamping heads and stamping seats, and the stamping head and stamping seat need to be replaced according to the stamping needs during stamping, and the stamping head and stamping seat are fixed and installed by a plurality of bolts in prior art, which is relatively inconvenient to replace;In view of the above situation, the present application proposes a kind of stamping forming device for sheet metal part. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the shortcomings in prior art, and provides a kind of stamping forming device for sheet metal part.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of stamping forming device for sheet metal part, including base, the top of the base both sides are fixedly connected with support plate, the top of two support plates is fixedly connected with same top plate, the top of the base is magnetically attracted and fixed with stamping seat, stamping head is cooperatively arranged above stamping seat, stamping head and stamping seat are matched, for stamping operation to sheet metal part, the top of stamping head is magnetically attracted and fixed with mounting plate, the top of top plate is embedded and fixed with hydraulic cylinder, the output shaft bottom end of hydraulic cylinder is fixedly connected with the top of mounting plate, and hydraulic cylinder is used to drive mounting plate vertical movement, the bottom of base is provided with installation slot, and elastic ejection mechanism is installed in installation slot, and the top of elastic ejection mechanism extends into stamping seat, and elastic ejection mechanism is used to eject the sheet metal part of stamping forming, stamping seat is movably sleeved on elastic ejection mechanism, first elastic pressing mechanism is movably contacted with the top of both sides of stamping seat, and first elastic pressing mechanism is used to press solid to stamping seat, mounting plate is slidably sleeved on two first elastic pressing mechanisms, and two second elastic pressing mechanisms are embedded in the top of mounting plate, and second elastic pressing mechanism is used to press solid to the sheet metal part to be stamped, and stamping head is movably sleeved on two second elastic pressing mechanisms.

[0006] Preferably, the elastic ejection mechanism comprises a pressing rod arranged in the mounting groove, two L-shaped guide rods are fixedly connected to the inner wall of the top of the mounting groove, the two L-shaped guide rods are symmetrically arranged, the ends of the two L-shaped guide rods away from each other are fixedly connected to the inner walls of the two sides of the mounting groove, a moving rod is slidably sleeved on the two L-shaped guide rods, the top of the moving rod is fixedly connected to the bottom end of the pressing rod, the moving rod cooperates with the L-shaped guide rod to vertically guide the pressing rod, a first spring is fixedly connected between the bottom inner wall of the L-shaped guide rod and the bottom of the moving rod, the first spring is movably sleeved on the corresponding L-shaped guide rod, the top end of the pressing rod slidably extends into the stamping seat, the sum of the elastic forces of the two first springs is greater than the sum of the gravity of the metal piece and the gravity of the pressing rod and the moving rod, during stamping, the first spring is compressed, and when the stamping head rises after stamping, the formed metal piece can be ejected upward by the elastic force of the first spring.

[0007] Preferably, the first elastic pressing mechanism comprises a pressing block in active contact with the top of the stamping seat, an L-shaped positioning rod is fixedly connected to the top of the pressing block, a mounting plate is slidably sleeved on the two L-shaped positioning rods, the L-shaped positioning rod vertically guides the corresponding pressing block, a second spring is fixedly connected between the top inner wall of the L-shaped positioning rod and the top of the mounting plate, the second spring is movably sleeved on the corresponding L-shaped positioning rod, and the second spring provides a vertically movable distance for the mounting plate.

[0008] Preferably, the second elastic pressing mechanism comprises a pressing rod, a mounting plate is slidably sleeved on the two pressing rods, the pressing rod is used for pressing the metal piece, an installation block above the mounting plate is fixedly connected to the top end of the pressing rod, a third spring is fixedly connected between the bottom of the installation block and the top of the mounting plate, a stamping head is movably sleeved on the two pressing rods, and the two pressing rods are located between the two L-shaped positioning rods. By utilizing the expansion and contraction characteristics of the third spring, when the pressing rod is limited and cannot move, a distance space for the mounting plate to continue to move downward can be provided.

[0009] Preferably, two first grooves are formed in the bottom of the mounting plate, a first magnet is fixedly connected to the top inner wall of the first groove, two second magnets are fixedly connected to the top of the stamping head, the second magnet is movably sleeved in the corresponding first groove and is adsorbed to the bottom of the first magnet, and the adsorption force of the first magnet and the second magnet can be utilized to fix the stamping head.

[0010] Preferably, two second grooves are formed in the top of the base, a third magnet is fixedly connected to the bottom inner wall of the second groove, a fourth magnet is fixedly connected to the bottom of the stamping seat, the fourth magnet is movably sleeved in the corresponding second groove and is adsorbed to the third magnet, and the adsorption force of the third magnet and the fourth magnet can be utilized to fix the stamping seat.

[0011] Preferably, the top of the mounting plate is provided with two first grooves, and the bottom inner wall of the first groove is fixedly connected with the bottom end of the corresponding third spring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The stamping seat, the stamping head, the hydraulic pressure and the mounting plate are matched to perform stamping operation on the sheet metal part.

[0014] 2. The second elastic pressing mechanism is arranged to preliminarily press the sheet metal part before stamping, and the preliminary pressing can effectively reduce the risk of displacement of the sheet metal part during stamping and improve the stamping stability.

[0015] 3. The elastic ejection mechanism is arranged to automatically eject the formed sheet metal part during the lifting of the stamping head after stamping, so that the product can be conveniently taken out without the aid of tools.

[0016] 4. The first magnet, the second magnet, the third magnet and the fourth magnet are matched to facilitate the replacement of the stamping head and the stamping seat by simple pulling, and the first elastic pressing mechanism is matched to further press the stamping seat during stamping, so that the risk of displacement of the stamping seat due to large stamping force is effectively reduced, and the stamping stability is further improved.

[0017] The utility model discloses a series of structures are arranged to preliminarily press the sheet metal part before stamping, effectively reduce the risk of displacement of the sheet metal part during stamping, improve the stamping stability, and automatically eject the formed sheet metal part during the lifting of the stamping head after stamping, so that the product can be conveniently taken out without the aid of tools. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts.

[0019] Figure 2 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts. Figure 1 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts.

[0020] Figure 3 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts. Figure 2 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts.

[0021] Figure 4 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts. Figure 2 The utility model discloses a structure schematic view of a stamping forming device for sheet metal parts.

[0022] In the figure: 100, base; 101, support plate; 102, top plate; 103, hydraulic cylinder; 104, punching head; 105, punching seat; 1, mounting plate; 2, pressing solid block; 3, second spring; 4, pressing solid rod; 5, mounting block; 6, first slot; 7, third spring; 8, first recess; 9, second magnet; 10, first magnet; 11, third magnet; 12, mounting slot; 13, L-shaped guide rod; 14, moving rod; 15, first spring; 16, top pressing rod; 17, L-shaped positioning rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Referring to Figures 1-4 A punching forming device for sheet metal parts, comprising a base 100, both sides of the top of the base 100 are fixedly connected with support plates 101, the top of the two support plates 101 is fixedly connected with the same top plate 102, the top of the base 100 is magnetically fixed with a punching seat 105, wherein two second recesses are formed in the top of the base 100, third magnets 11 are fixedly connected to the inner wall of the bottom of the second recess, fourth magnets are fixedly connected to the bottom of both sides of the punching seat 105, the fourth magnets are movably sleeved in the corresponding second recess and are attracted to the third magnets 11, the third magnets 11 and the fourth magnets are used to realize the fixation of the punching seat 105 by the attraction force, a punching head 104 is arranged above the punching seat 105, the punching head 104 is matched with the punching seat 105 and is used for punching operation of the sheet metal parts, a mounting plate 1 is magnetically fixed to the top of the punching head 104, wherein two first recesses 8 are formed in the bottom of the mounting plate 1, first magnets 10 are fixedly connected to the inner wall of the top of the first recess 8, two second magnets 9 are fixedly connected to the top of the punching head 104, the second magnets 9 are movably sleeved in the corresponding first recess and are attracted to the bottom of the first magnets 10, the first magnets 10 and the second magnets 9 are used to realize the fixation of the punching head 104 by the attraction force.

[0025] The top of the top plate 102 is embedded and fixed with a hydraulic cylinder 103, wherein the top of the top plate 102 is provided with a mounting hole for fixing and mounting the hydraulic cylinder 103, the output shaft bottom end of the hydraulic cylinder 103 is fixedly connected with the top of the mounting plate 1, the hydraulic cylinder 103 is used for driving the vertical movement of the mounting plate 1, the bottom of the base 100 is provided with a mounting groove 12, a elastic ejection mechanism is mounted in the mounting groove 12, the top of the elastic ejection mechanism extends into the stamping seat 105, the stamping seat 105 movably sheaths on the elastic ejection mechanism, the elastic ejection mechanism comprises a pressing rod 16 arranged in the mounting groove 12, two L-shaped guide rods 13 are fixedly connected on the top inner wall of the mounting groove 12, the two L-shaped guide rods 13 are symmetrically arranged, the ends of the two L-shaped guide rods 13 away from each other are fixedly connected with the two side inner walls of the mounting groove 12, a moving rod 14 is movably sheathed on the two L-shaped guide rods 13, wherein the top two sides of the moving rod 14 are provided with guide holes, the inner walls of the guide holes movably contact with the outer sides of the corresponding L-shaped guide rods 13, the top of the moving rod 14 is fixedly connected with the bottom end of the pressing rod 16, the moving rod 14 and the L-shaped guide rod 13 cooperate to vertically guide the pressing rod 16, the first springs 15 are fixedly connected between the bottom inner wall of the L-shaped guide rod 13 and the bottom of the moving rod 14, the first springs 15 movably sheath on the corresponding L-shaped guide rod 13, the top end of the pressing rod 16 movably extends into the stamping seat 105, wherein the top inner wall of the mounting groove 12 and the bottom inner wall of the stamping seat 105 are provided with first movable holes, the inner walls of the first movable holes movably contact with the outer sides of the corresponding pressing rods 16, the first movable holes are used for the pressing rods 16 to pass through, the sum of the elastic forces of the two first springs 15 is greater than the sum of the gravity of the sheet metal part, the pressing rod 16 and the moving rod 14, during stamping, the first springs 15 are compressed, when the stamping head 104 rises after stamping, the formed sheet metal part can be ejected upward by the elastic force of the first springs 15;

[0026] The top two sides of the stamping seat 105 movably contact with first elastic pressing mechanisms, the mounting plate 1 movably sheaths on the two first elastic pressing mechanisms, the first elastic pressing mechanism comprises a pressing block 2 movably contacting with the top of the stamping seat 105, the top of the pressing block 2 is fixedly connected with an L-shaped positioning rod 17, the mounting plate 1 movably sheaths on the two L-shaped positioning rods 17, wherein the top two sides of the mounting plate 1 are provided with first positioning holes, the inner walls of the first positioning holes movably contact with the outer sides of the corresponding L-shaped positioning rods 17, the L-shaped positioning rod 17 vertically guides the corresponding pressing block 2, the second springs 3 are fixedly connected between the top inner wall of the L-shaped positioning rod 17 and the top of the mounting plate 1, the second springs 3 movably sheath on the corresponding L-shaped positioning rod 17, the second springs 3 provide the mounting plate 1 with a vertically movable distance by the stretching and contracting characteristics;

[0027] The top of the mounting plate 1 is embedded with two second elastic fixing mechanisms, the stamping head 104 is movably sleeved on the two second elastic fixing mechanisms, the second elastic fixing mechanism comprises a fixing rod 4, the mounting plate 1 is movably sleeved on the two fixing rods 4, the fixing rod 4 is used for fixing the sheet metal part, the top end of the fixing rod 4 is fixedly connected with a mounting block 5 located above the mounting plate 1, the top of the mounting plate 1 is provided with two first grooves 6, the bottom inner wall of the first groove 6 is fixedly connected with the bottom of the corresponding mounting block 5, the third spring 7 is movably sleeved on the two fixing rods 4, wherein the top of the mounting plate 1 and the top of the stamping head 104 are both provided with two second movable holes, the inner wall of the second movable hole is movably in contact with the outer side of the corresponding fixing rod 4, the two fixing rods 4 are located between the two L-shaped positioning rods 17, by the telescopic property of the third spring 7, when the fixing rod 4 is limited and cannot move, the mounting plate 1 can be provided with a distance space for continuing to move downward; the utility model discloses a series of structure settings, can preliminarily fix the sheet metal part before stamping, can effectively reduce the risk of displacement of the sheet metal part in the stamping process, improves the stability of stamping, and can automatically eject the formed sheet metal part during the lifting process of the stamping head 104 after stamping, facilitates personnel to take out the product, does not need to rely on the help of tools to lift out, in addition, the stamping head 104 and the stamping seat 105 can be quickly replaced by simple pulling, convenient for personnel to operate.

[0028] Working principle: when in use, the sheet metal part is placed in the stamping seat 105 during stamping and forming, then the hydraulic cylinder 103 is started in a forward direction, the output shaft of the hydraulic cylinder 103 drives the mounting plate 1 to move downward, the mounting plate 1 drives the stamping head 104 to move downward, at the same time, the mounting plate 1 also drives the fixing rod 4 to move downward in sequence through the third spring 7 and the mounting block 5, when the fixing rod 4 moves downward to contact the top of the sheet metal part, the fixing rod 4 is limited to continue to move, at this time, the stamping head 104 that continues to move slides downward on the two fixing rods 4, the mounting plate 1 moves downward at the same time to stretch the two third springs 7, the mounting plate 1 generates downward fixing force on the two fixing rods 4 through the third spring 7 and the two mounting blocks 5, and the fixing force is used for preliminarily fixing the sheet metal part, the two fixing rods 4 are used for preliminarily fixing the sheet metal part, which can effectively reduce the risk of displacement of the sheet metal part during stamping and improve the stability of stamping;

[0029] When the two solidifying rods 4 extrude the sheet metal part, the extrusion force drives the sheet metal part to move downward to extrude the top pressing rod 16, the top pressing rod 16 drives the moving rod 14 to move downward and compresses the two first springs 15, when the top pressing rod 16 moves downward to the top end flush with the bottom inner wall of the stamping seat 105, the top pressing rod 16 and the sheet metal part stop moving downward, when the stamping head 104 moves downward to the bottom flush with the bottom end of the solidifying rod 4, the stamping head 104 continues to move downward to stamp the sheet metal part, after stamping, the hydraulic cylinder 103 is started in reverse to make the mounting plate 1 and the stamping head 104 move upward, the stamping head 104 moves upward and separates from the sheet metal part, the mounting plate 1 relaxes the tension on the two third springs 7, when the third spring 7 is completely reset, the mounting plate 1 continues to move upward to drive the two solidifying rods 4 to move upward and separate from the sheet metal part through the third spring 7 and the mounting block 5, when the stamping head 104 and the solidifying rod 4 separate from the sheet metal part, the extrusion force on the sheet metal part disappears, at this time, the elastic force of the first spring 15 in the compressed state drives the top pressing rod 16 to move upward to upwardly press the formed sheet metal part, so that the formed sheet metal part is ejected, personnel can directly take down the formed sheet metal part, and the formed sheet metal part is automatically ejected during the upward movement of the stamping head 104 and the solidifying rod 4, which is convenient for personnel to take out the product without the need for tools to lift out, which is more convenient.

[0030] In addition, during the downward movement of the mounting plate 1 to drive the stamping head 104 to stamp, the solidifying block 2 is in close contact with the top of the stamping seat 105, so that the solidifying block 2 does not move downward, the mounting plate 1 slides downward on the two L-shaped positioning rods 17 and stretches the two second springs 3, the mounting plate 1 generates downward extrusion force on the L-shaped positioning rod 17 through the two second springs 3, thereby generating downward extrusion force on the solidifying block 2, the extrusion force of the two solidifying blocks 2 is used to solidify the stamping seat 105, and the stamping seat 105 is solidified again during stamping, which can effectively reduce the risk of displacement of the stamping seat 105 due to large stamping force, and further improve the stamping stability.

[0031] When the stamping head 104 and the stamping seat 105 need to be replaced, the stamping head 104 and the stamping seat 105 can be pulled towards each other, the second magnet 9 is separated from the first magnet 10 driven by the stamping head 104, and the fourth magnet is separated from the third magnet 11 driven by the stamping seat 105, so that the stamping head 104 and the stamping seat 105 can be directly taken down, and new stamping head 104 and stamping seat 105 are fixed by first magnet 10, second magnet 9, third magnet 11 and fourth magnet respectively, and the stamping seat 105 and the stamping head 104 are fixed by the attraction force of the magnet, which can realize quick replacement and improve the replacement efficiency.

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A stamping forming apparatus for sheet metal parts, comprising a base (100), wherein support plates (101) are fixedly connected to both sides of the top of the base (100), and a single top plate (102) is fixedly connected to the top of the two support plates (101), characterized in that, A stamping seat (105) is magnetically fixed to the top of the base (100). A stamping head (104) is fitted above the stamping seat (105). A mounting plate (1) is magnetically fixed to the top of the stamping head (104). A hydraulic cylinder (103) is embedded and fixed to the top of the top plate (102). The bottom end of the output shaft of the hydraulic cylinder (103) is fixedly connected to the top of the mounting plate (1). A mounting groove (12) is provided at the bottom of the base (100). An elastic ejection mechanism is installed inside the stamping seat (105). The top of the elastic ejection mechanism extends into the stamping seat (105). The stamping seat (105) is movably sleeved on the elastic ejection mechanism. The top two sides of the stamping seat (105) are movably contacted by the first elastic clamping mechanism. The mounting plate (1) is slidably sleeved on the two first elastic clamping mechanisms. The top of the mounting plate (1) is embedded with two second elastic clamping mechanisms. The stamping head (104) is movably sleeved on the two second elastic clamping mechanisms.

2. The stamping forming apparatus for sheet metal parts according to claim 1, characterized in that, The elastic ejection mechanism includes a top-pressing rod (16) disposed in the mounting groove (12). Two L-shaped guide rods (13) are fixedly connected to the top inner wall of the mounting groove (12). The two L-shaped guide rods (13) are symmetrically arranged. The ends of the two L-shaped guide rods (13) that are far apart from each other are fixedly connected to the inner walls of the two sides of the mounting groove (12). A moving rod (14) is slidably sleeved on the two L-shaped guide rods (13). The top of the moving rod (14) is fixedly connected to the bottom end of the top-pressing rod (16). A first spring (15) is fixedly connected between the bottom inner wall of the L-shaped guide rod (13) and the bottom of the moving rod (14). The first spring (15) is movably sleeved on the corresponding L-shaped guide rod (13). The top end of the top-pressing rod (16) slides into the stamping seat (105). The sum of the elastic forces of the two first springs (15) is greater than the sum of the weight of the sheet metal part, the weight of the top-pressing rod (16), and the weight of the moving rod (14).

3. The stamping forming apparatus for sheet metal parts according to claim 1, characterized in that, The first elastic clamping mechanism includes a clamping block (2) that is in movable contact with the top of the stamping seat (105). An L-shaped positioning rod (17) is fixedly connected to the top of the clamping block (2). The mounting plate (1) is slidably sleeved on the two L-shaped positioning rods (17). A second spring (3) is fixedly connected between the top inner wall of the L-shaped positioning rod (17) and the top of the mounting plate (1). The second spring (3) is movably sleeved on the corresponding L-shaped positioning rod (17).

4. The stamping forming apparatus for sheet metal parts according to claim 3, characterized in that, The second elastic clamping mechanism includes clamping rods (4), mounting plate (1) is slidably sleeved on the two clamping rods (4), the top of the clamping rods (4) is fixedly connected to the mounting block (5) located above the mounting plate (1), the bottom of the mounting block (5) is fixedly connected to the top of the mounting plate (1), and the punch head (104) is movably sleeved on the two clamping rods (4), and the two clamping rods (4) are located between the two L-shaped positioning rods (17).

5. The stamping forming apparatus for sheet metal parts according to claim 1, characterized in that, The mounting plate (1) has two first grooves (8) at its bottom. A first magnet (10) is fixedly connected to the top inner wall of the first groove (8). Two second magnets (9) are fixedly connected to the top of the punch head (104). The second magnets (9) are movably sleeved in the corresponding first grooves and attract to the bottom of the first magnets (10).

6. The stamping forming apparatus for sheet metal parts according to claim 1, characterized in that, The base (100) has two second grooves on its top. A third magnet (11) is fixedly connected to the bottom inner wall of the second groove. A fourth magnet is fixedly connected to both sides of the bottom of the stamping seat (105). The fourth magnet is movably sleeved in the corresponding second groove and attracts the third magnet (11).

7. A stamping forming apparatus for sheet metal parts according to claim 4, characterized in that, The top of the mounting plate (1) has two first grooves (6), and the bottom inner wall of the first groove (6) is fixedly connected to the bottom end of the corresponding third spring (7).

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