Punch forming integrated die for sheet metal shell

Abstract

The utility model relates to the technical field of dies, in particular to a sheet metal shell punch forming integrated die which comprises a base, a first punching groove is formed in the front side of the bottom of the base, and a plurality of second punching grooves are formed in the rear side of the top of the base. A stamping mechanism is arranged above the position between the two side plates. The mounting plate and the first punch are driven by the second electric cylinder to move downwards so as to be matched with the first punching groove to punch the display screen mounting groove in the plate; a third electric cylinder drives a fixing plate and a second punch to move downwards to be matched with a second punching groove to punch a heat dissipation groove in a plate, through rotation of a threaded rod, the horizontal position of the second punch can be adjusted to punch a plurality of heat dissipation grooves in the plate, and the plate does not need to be moved in the process; according to the design, the machining process of the charging pile shell is simplified, the production efficiency is effectively improved, positioning errors caused by multiple times of clamping and transferring are avoided, and the machining precision and quality of products are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field, concretely is sheet metal shell stamping forming integrated mould. BACKGROUND

[0002] With the vigorous development of electric vehicle market, the demand for charging piles surges. The sheet metal shell of the automobile charging pile is often made of stainless steel, aluminum alloy and other materials because of its good strength and corrosion resistance. As a key tool for processing sheet metal shell, the design and performance of the stamping die directly affect the forming precision and production efficiency of the shell.

[0003] The utility model discloses a kind of metal products high-efficiency punching devices for charging pile shell, and the metal products high-efficiency punching devices for charging pile shell include processing table, the bottom wall of the processing table is fixedly connected with mounting bracket, the left and right sides of the mounting bracket are all threadedly connected with threaded rod, the outer side of the threaded rod is threadedly connected with movable plate;The displacement mechanism includes vertical plate, the bottom wall of the vertical plate is fixedly connected on the top wall of fixed frame, the left side of the vertical plate is fixedly connected with electric push rod, the output end of the electric push rod penetrates vertical plate and is fixedly connected with fixed ring, the inner side of the fixed ring is fixedly connected with hydraulic cylinder, the output end of the hydraulic cylinder penetrates through hole and is fixedly connected with pressing plate, the top wall of the pressing plate is equidistantly provided with multiple placing holes, the inner side of the placing hole is mounted with punch head. Through the cooperation between processing table, anti-skid line, hole, movable plate, self-locking knob, threaded rod, sliding block, connecting strip, clamping plate and mounting bracket, the clamping plate is relatively or oppositely moved by the rotation of threaded rod, so as to clamp and fix the shell, and then the position deviation of the shell during punching is avoided.

[0004] Although the metal products high-efficiency punching device for charging pile shell is convenient for punching the charging pile shell, the device still has the following problems in actual use: the device can only punch the shell, but in the actual production of the charging pile shell, display screen mounting groove, heat dissipation groove and the like need to be provided. The device cannot meet the diversified processing needs, which causes the shell to be frequently transferred to other equipment for processing, reduces production efficiency, and easily causes errors due to multiple clamping, affects product quality. In view of this, the sheet metal shell stamping forming integrated mould is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing sheet metal shell stamping forming integrated mould to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The sheet metal shell stamping forming integrated die comprises a base, a first punching groove is formed at the front side of the bottom of the base, and a plurality of second punching grooves are formed at the rear top of the base;

[0008] The bottom of the base is fixed with side plates on the left and right sides;

[0009] A stamping mechanism is arranged above the two side plates, the stamping mechanism comprises a top plate fixed with the side plates, two second electric cylinders are installed at the front top of the top plate, a mounting plate is fixed between the piston rod ends of the two second electric cylinders, a first punch for punching a display screen mounting groove on the plate is fixed at the bottom of the mounting plate;

[0010] An installation groove is formed at the rear top of the top plate, a threaded rod is rotatably installed in the installation groove, a connecting seat is threadedly connected to the threaded rod, and a second motor for driving the threaded rod to rotate is installed at the rear end of the top plate; a third electric cylinder is installed at the top of the connecting seat, a fixing plate is fixed at the end of the piston rod of the third electric cylinder, and two second punches for punching a heat dissipation groove on the plate are fixed at the bottom of the fixing plate.

[0011] As a preferred technical scheme of the present utility model, a guide rod is further fixedly connected in the installation groove through bolts, and the guide rod penetrates through the connecting seat and is slidably connected with the connecting seat.

[0012] As a preferred technical scheme of the present utility model, the first punch is of a top opening structure, and the first punch is fixedly connected with the bottom of the mounting plate through bolts.

[0013] As a preferred technical scheme of the present utility model, the fixing plate and the second punch are of an integral forming structure, and the fixing plate and the second punch are made of high-strength alloy steel.

[0014] As a preferred technical scheme of the present utility model, the first punching grooves are linearly and equidistantly distributed in the horizontal direction, and the second punching grooves and the second punches are located on the same vertical plane.

[0015] As a preferred technical scheme of the present utility model, the second punching grooves are located directly below the first punches, and the size of the second punching grooves is matched with the size of the first punches.

[0016] As a preferred technical scheme of the present utility model, a notch is formed at the bottom of the side plate, and a mounting opening is formed above the outer wall of the side plate; two first electric cylinders are installed in the mounting opening; a hollow shell is slidably installed in the notch, a plurality of pressing wheels for pressing the plate to prevent displacement of the plate are rotatably installed at two opposite ends of the two shells, connecting shafts are coaxially and key-connected to the pressing wheels, the connecting shafts penetrate into the shell and are rotatably connected with the shell, a transmission assembly is arranged between adjacent two connecting shafts, and the two transmission assemblies are staggered; and a first motor for driving the connecting shafts to rotate is installed at two ends of the two shells away from each other.

[0017] As the preferred technical scheme of the utility model, the transmission assembly comprises two symmetrical belt pulleys, and a belt is sleeved between the two belt pulleys.

[0018] Compared with the prior art, the utility model has the beneficial effects of:

[0019] Through the stamping mechanism: on the one hand, the second electric cylinder drives the mounting plate and the first punch to move downward, so that the first punch hole is matched with the first punch hole to punch the display screen mounting groove on the plate; on the other hand, the third electric cylinder drives the fixed plate and the second punch to move downward, so that the second punch hole is matched with the second punch hole to punch the heat dissipation groove on the plate, and through the rotation of the threaded rod, the horizontal position of the second punch can be adjusted to punch a plurality of heat dissipation grooves on the plate, and the position of the plate does not need to be moved in this process; the design simplifies the charging pile shell machining process, not only effectively improves the production efficiency, but also avoids the positioning error caused by multiple clamping and transferring, and guarantees the product machining precision and quality. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic view of the utility model embodiment 1;

[0021] Figure 2 It is the structure schematic view of the side plate in the utility model embodiment 1;

[0022] Figure 3 It is the overall structure sectional view of the utility model embodiment 1;

[0023] Figure 4 It is the partial structure schematic view in the stamping mechanism of the utility model embodiment 1;

[0024] Figure 5 It is the structure schematic view of the side plate in the utility model embodiment 2;

[0025] Figure 6 It is the partial structure sectional view in the utility model embodiment 2;

[0026] In the drawing:

[0027] 1, base;10, first punch hole;11, second punch hole;

[0028] 2, side plate;20, mounting port;21, notch;22, first electric cylinder;23, shell;24, compression wheel;25, connecting shaft;26, first motor;27, transmission assembly;

[0029] 3, punch mechanism; 30, top plate; 300, mounting groove; 31, second electric cylinder; 32, mounting plate; 33, first punch; 34, threaded rod; 35, guide rod; 36, second motor; 37, connecting seat; 38, third electric cylinder; 39, fixed plate; 390, second punch. DETAILED DESCRIPTION

[0030] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Embodiment 1

[0032] Please refer to Figures 1-4 As shown in the figure, the sheet metal shell stamping forming integrated mold comprises a base 1, a first punching groove 10 is formed at the bottom front side of the base 1, and a plurality of second punching grooves 11 are formed at the top rear side of the base 1; the bottom of the base 1 is fixed with a side plate 2 on the left and right sides; a punching mechanism 3 is arranged above the two side plates 2, the punching mechanism 3 comprises a top plate 30 fixed with the side plate 2, two second electric cylinders 31 are installed at the top front side of the top plate 30, a mounting plate 32 is fixed between the piston rod ends of the two second electric cylinders 31, and a first punch 33 for punching a display screen mounting groove on the plate is fixed at the bottom of the mounting plate 32; a mounting groove 300 is formed at the top rear side of the top plate 30, a threaded rod 34 is rotatably installed in the mounting groove 300, a connecting seat 37 is threadedly connected to the threaded rod 34, and a second motor 36 for driving the threaded rod 34 to rotate is installed at the rear end of the top plate 30; a third electric cylinder 38 is installed at the top of the connecting seat 37, a fixed plate 39 is fixed at the piston rod end of the third electric cylinder 38, and two second punches 390 for punching a heat dissipation groove on the plate are fixed at the bottom of the fixed plate 39.

[0033] In this embodiment, a guide rod 35 is also fixedly connected in the mounting groove 300 through a bolt, the guide rod 35 passes through the connecting seat 37 and is slidably connected with the connecting seat 37. The guide rod 35 can effectively guide the moving direction of the connecting seat 37, assist the threaded rod 34, make the displacement of the third electric cylinder 38 and the second punch 390 more stable and accurate, greatly improve the stamping positioning accuracy of the heat dissipation groove, and reduce the deviation.

[0034] In the embodiment, the first punch 33 is in a top-open structure, and the first punch 33 is fixedly connected with the bottom of the mounting plate 32 through bolts. The bolt connection facilitates the staff to disassemble and replace the first punch 33, reduces the maintenance difficulty, and improves the flexibility of the mold use. The top-open structure is beneficial to save production materials and strengthen the structural strength of the first punch 33.

[0035] In the embodiment, the fixed plate 39 and the second punch 390 are in an integrated structure, and the fixed plate 39 and the second punch 390 are made of high-strength alloy steel. The integrated design guarantees the connection strength and stability between the fixed plate 39 and the second punch 390, improves the structural integrity, the high-strength alloy steel enhances the wear resistance and impact resistance of the components, prolongs the service life of the second punch 390, and reduces the risk of component damage in the stamping process.

[0036] In the embodiment, the first punch grooves 10 are linearly and equidistantly distributed in the horizontal direction, and the second punch grooves 11 and the second punch 390 are located on the same vertical plane. The design is beneficial to open multiple heat dissipation grooves on the plate, and meets the processing requirements of the heat dissipation grooves of the charging pile shell.

[0037] In the embodiment, the second punch grooves 11 are located directly below the first punch 33, and the size of the second punch grooves 11 is matched with the size of the first punch 33. The design can ensure that the first punch 33 accurately falls into the second punch grooves 11, effectively avoids the problems such as deviation and jam during stamping, improves the stamping precision of the display screen mounting groove, and reduces the defective rate.

[0038] It is worth noting that the second motor 36 involved in the embodiment is a conventional existing technology, which will not be described here.

[0039] In specific use, the user first places the plate on the top of the base 1, then turns on the power of the second electric cylinder 31, the piston rod of the second electric cylinder 31 extends and drives the mounting plate 32 and the first punch 33 to move downward, the first punch 33 contacts the plate to punch out the display screen mounting groove on the plate; then the user turns on the power of the third electric cylinder 38, the piston rod of the third electric cylinder 38 extends and drives the fixed plate 39 and the second punch 390 to move downward, the second punch 390 contacts the plate to punch out the heat dissipation groove on the plate; next, the user turns on the power of the second motor 36, the second motor 36 starts to work, the output shaft of the second motor 36 rotates to drive the threaded rod 34 to rotate, with the rotation of the threaded rod 34, the connecting seat 37 moves horizontally and drives the third electric cylinder 38 to move horizontally, when the connecting seat 37 moves to the appropriate horizontal position, the user turns on the power of the third electric cylinder 38 again, the piston rod of the third electric cylinder 38 extends and drives the fixed plate 39 and the second punch 390 to move downward, the second punch 390 contacts the plate to punch out the heat dissipation groove on the plate, and the cycle is repeated to continuously punch out the heat dissipation groove on the plate.

[0040] Embodiment 2

[0041] Please refer to Figures 5-6 As shown in the figure, the bottom of the side plate 2 is provided with a notch 21, and the outer wall of the side plate 2 is provided with a mounting hole 20 above; two first electric cylinders 22 are installed in the mounting hole 20; a hollow shell 23 is slidably installed in the notch 21, and a plurality of pressing wheels 24 for pressing the plate to prevent displacement of the plate are rotatably installed at two opposite ends of the two shells 23, the connecting shafts 25 are coaxially and key-connected to the pressing wheels 24, the connecting shafts 25 penetrate into the shells 23 and are rotatably connected with the shells 23, the transmission assemblies 27 are arranged between the adjacent two connecting shafts 25, and the two transmission assemblies 27 are staggered; the two opposite ends of the two shells 23 are both provided with a first motor 26 for driving the connecting shafts 25 to rotate.

[0042] Through the above arrangement, the design can effectively press the plate by the pressing wheels 24 to prevent displacement of the plate during stamping, and at the same time, the rotation of the pressing wheels 24 can push the plate to horizontally displace, so as to facilitate pushing the plate out from above the base after the processing is completed.

[0043] In this embodiment, the transmission assembly 27 includes two symmetrical belt pulleys, and a belt is sleeved between the two belt pulleys; the belt pulleys are coaxially and key-connected to the corresponding connecting shafts 25. This structure has high transmission efficiency and strong stability, can ensure synchronous rotation of the plurality of pressing wheels 24, uniformly press the plate, avoid deformation of the plate due to uneven force, and improve the stability of the stamping process.

[0044] It is worth noting that the first motor 26 involved in this embodiment is a conventional technology, which will not be described here.

[0045] In use, the user first connects the power supply of the first electric cylinder 22, the piston rod of the first electric cylinder 22 is extended and drives the shell 23 and the plurality of pressing wheels 24 to move downward, when the pressing wheels 24 abut against the top of the board, the board is fixed, and the user stops the power supply of the first electric cylinder 22;

[0046] When the board needs to be removed, the user first connects the power supply of the first motor 26, the first motor 26 starts to work, the output shaft of the first motor 26 rotates to drive the connecting shaft 25 and the belt pulley to rotate, under the rotation of the belt, the plurality of connecting shafts 25 rotate synchronously and drive the plurality of pressing wheels 24 to rotate synchronously, since the bottom of the pressing wheels 24 abut against the board, the board can be pushed to move horizontally along with the rotation of the pressing wheels 24.

[0047] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A stamping and forming integrated die for a sheet metal housing, characterized by: Including the base (1), the first punch groove (10) is opened at the bottom front side of the base (1), and a plurality of second punch grooves (11) are opened at the top rear side of the base (1); The bottom of the base (1) is fixed with a side plate (2) on the left and right sides; The upper part between the two side plates (2) is provided with a punching mechanism (3), the punching mechanism (3) comprises a top plate (30) fixed with the side plate (2), two second electric cylinders (31) are installed on the top front side of the top plate (30), a mounting plate (32) is fixed between the piston rod ends of the two second electric cylinders (31), and a first punch (33) for punching a display screen mounting groove on the plate is fixed on the bottom of the mounting plate (32); A mounting groove (300) is opened at the top rear side of the top plate (30), a threaded rod (34) is rotatably installed in the mounting groove (300), a connecting seat (37) is threadedly connected to the threaded rod (34), and a second motor (36) for driving the threaded rod (34) to rotate is installed at the rear end of the top plate (30); A third electric cylinder (38) is installed on the top of the connecting seat (37), a fixing plate (39) is fixed at the piston rod end of the third electric cylinder (38), and two second punches (390) for punching a heat dissipation groove on the plate are fixed on the bottom of the fixing plate (39).

2. The press forming integrated mold for a sheet metal case according to claim 1, wherein: The mounting groove (300) is also connected with a guide rod (35) through bolts, and the guide rod (35) passes through the connecting seat (37) and is connected with the connecting seat (37) in sliding mode.

3. The stamping-integrated die for a sheet metal case according to claim 1, wherein: The first punch (33) is an open-top structure, and the first punch (33) is fixedly connected with the bottom of the mounting plate (32) through bolts.

4. The stamping and forming integrated die for a sheet metal case according to claim 1, wherein: The fixing plate (39) and the second punch (390) are an integral structure, and the fixing plate (39) and the second punch (390) are made of high-strength alloy steel.

5. The stamping and forming integrated die for a sheet metal case according to claim 1, wherein: The first punch groove (10) is linearly and equidistantly distributed in the horizontal direction, and the second punch groove (11) and the second punch (390) are located on the same vertical plane.

6. The stamping and forming integrated die for a sheet metal case according to claim 1, wherein: The second punch groove (11) is located directly below the first punch (33), and the size of the second punch groove (11) is matched with the size of the first punch (33).

7. The stamping and forming integrated die for a sheet metal case according to claim 1, wherein: A notch (21) is formed in the bottom of the side plate (2), and a mounting hole (20) is formed in the outer wall of the side plate (2); Two first electric cylinders (22) are installed in the mounting hole (20); A hollow shell (23) is slidably installed in the notch (21), a plurality of pressure rollers (24) for pressing the plate to prevent displacement of the plate are rotatably installed at two opposite ends of the two shells (23), a connecting shaft (25) is coaxially and key-connected to the pressure roller (24), the connecting shaft (25) penetrates the shell (23) and is rotatably connected with the shell (23), a transmission assembly (27) is arranged between the two connecting shafts (25), and the two transmission assemblies (27) are staggered; A first motor (26) for driving the connecting shaft (25) to rotate is installed at the two ends of the two shells (23) away from each other.

8. The stamping-integrated die for a sheet metal case according to claim 7, wherein: The transmission assembly (27) comprises two symmetrical belt pulleys, and a belt is sleeved between the two belt pulleys; the belt pulleys are coaxially and keyedly connected with corresponding connecting shafts (25) respectively.

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