Manual metal plate punching machine with safety device

Abstract

The manual metal plate punching machine with the safety device comprises a main body, a fixed lock sleeve is installed at the lower end of one side of a support, a connecting hinge is installed on the edge of one side of the fixed lock sleeve, a movable lock sleeve is installed on the other side of the connecting hinge, and a locking knob is installed on the edge of one side of the movable lock sleeve in an inserted mode. A lower die is installed between the fixed lock sleeve and the movable lock sleeve in an inserted mode, and the lower die and the ejector block are installed in a sleeved mode. The manual metal plate punching machine with the safety device is provided with the push-out handle and the handle connecting piece which are of a protruding frame structure, the main arm pressing rod can drive the push-out handle and the handle connecting piece to turn upwards through the spring piston mechanism and the piston type extrusion block, and therefore a shielding structure can be formed; and the upper die and the lower die can be conveniently and rapidly disassembled and assembled through a spiral mounting cover, a threaded block, a fixed lock sleeve and a movable lock sleeve, replacement and use are convenient, and the device can be conveniently pushed and pulled to move through side turning of a push-pull handle and rolling wheels and is convenient to transport and use.

Description

Technical Field

[0001] The utility model relates to the technical field of manual sheet metal stamping machines, and particularly relates to a manual sheet metal stamping machine with a safety device. Background Technique

[0002] A manual stamping machine is a mechanical device that relies on manual operation of a handle to control pressure and speed. By fixing a metal sheet on a workbench, processes such as stamping, cutting, punching, and forming of the metal sheet are achieved under the action of pressure. The manual stamping machine has a simple and compact structure, is easy to maintain, has flexible operation, and low cost, so it is an essential tool in the processing industry.

[0003] The existing equipment lacks a protection device, and it is easy to accidentally pinch hands when the upper and lower dies are closed. Moreover, it is not convenient to move and use, and it is also not convenient to replace the die, resulting in inconvenient use. Therefore, a manual sheet metal stamping machine with a safety device is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a manual sheet metal stamping machine with a safety device to solve the problems mentioned in the above background technique, such as the equipment lacking a protection device, being easy to accidentally pinch hands when the upper and lower dies are closed, not being convenient to move and use, not being convenient to replace the die, and inconvenient use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual sheet metal punching machine with a safety device, comprising a main body, a bracket is installed in the middle position of the upper end of one side of the main body, a spring piston mechanism is installed at one end of the bracket, and a main arm pressure rod is installed with an insertion on the inner wall of the spring piston mechanism, a support pad is fixedly connected to one side of the lower end of the main body, and a roller is rotatably installed on the other side of the lower end of the main body, a telescopic tube is fixedly connected to the front and rear side edges of the upper end of the main body, and locking buckle grooves are provided on the upper, middle and lower sides of the telescopic tube, a push-pull handle is installed with an insertion on the inner wall of the telescopic tube, and a locking protrusion is elastically installed on the lower end of the side of the push-pull handle, the locking protrusion is installed with the telescopic tube, and a connecting rod main arm is installed on the upper ends of both sides of the bracket, and a main arm is installed on one end of the inner wall of the connecting rod main arm, the main arm is flip-connected to the upper end of the main arm pressure rod, and a main arm handle is installed at one end of the main arm, the main The cam is provided with a plurality of locking plates, and the locking plates are provided with a plurality of locking plates at the bottom ends of the plurality of locking plates.

[0006] Preferably, the upper mold is installed by spiral splicing with a screw block and a screw mounting cover.

[0007] Preferably, the piston extrusion block is movably connected with the spring piston mechanism, the ejection handle and the handle connecting piece are distributed on one side of the upper end of the main body in a protruding frame position, and the ejection handle and the handle connecting piece are supported and flippedly connected to the support frame through the spring piston mechanism.

[0008] Preferably, the surface of the top block is a flat and smooth structure, and the top block is elastically telescopically connected to the lower mold through a spring pusher.

[0009] Preferably, the lower mold is clamped and spliced ​​with the bracket through a fixed locking sleeve and a movable locking sleeve, and the movable locking sleeve is flip-connected with the fixed locking sleeve through a connecting hinge, and the movable locking sleeve is locked and fixedly connected with the fixed locking sleeve through a locking knob.

[0010] Preferably, the push-pull handle is connected to the telescopic tube in a telescopic manner, and the push-pull handle is locked and installed with the telescopic tube through the locking bump in the locking groove. The support pad and the roller are distributed in a flush position, and the roller is distributed in a protruding position on one side of the lower end of the main body.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The manual sheet metal stamping machine with a safety device is provided with a push-out handle and a handle connecting piece protruding from the frame structure, and the main arm pressure rod can drive the push-out handle and the handle connecting piece to flip upward through the spring piston mechanism and the piston-type extrusion block, so as to form a shielding structure. Moreover, the upper die and the lower die are convenient for quick disassembly and assembly through the spiral mounting cover, the threaded block, the fixed lock sleeve and the movable lock sleeve, which is convenient for replacement and use. And the device is convenient to be pushed, pulled and moved laterally through the push-pull handle and the roller, which is convenient for transportation and use. Brief Description of the Drawings

[0012] Figure 1 is a three-dimensional view of a manual sheet metal stamping machine with a safety device according to the present utility model;

[0013] Figure 2 is a schematic diagram of the internal structure of a manual sheet metal stamping machine with a safety device according to the present utility model;

[0014] Figure 3 is a schematic diagram of the connection between the fixed lock sleeve and the movable lock sleeve of a manual sheet metal stamping machine with a safety device according to the present utility model;

[0015] Figure 4 is a manual sheet metal stamping machine with a safety device according to the present utility model Figure 2 enlarged view at A;

[0016] Figure 5 is a manual sheet metal stamping machine with a safety device according to the present utility model Figure 2 enlarged view at B.

[0017] In the figure: 1, main body; 2, connecting rod main arm; 3, main arm; 4, main arm pressure rod; 5, main arm handle; 6, spring piston mechanism; 7, upper die; 8, spring propeller; 9, piston-type extrusion block; 10, top block; 11, lower die; 12, push-pull handle; 13, spiral mounting cover; 14, push-out handle; 15, handle connecting piece; 16, support frame; 17, support pad; 18, fixed lock sleeve; 19, roller; 20, locking groove; 21, telescopic tube; 22, connecting hinge; 23, movable lock sleeve; 24, locking knob; 25, threaded block; 26, locking bump; 27, bracket. Detailed Embodiment

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-5 , the present invention provides a technical solution: a manual sheet metal stamping machine with a safety device, including a main body 1, a connecting rod main arm 2, a main arm 3, a main arm pressure rod 4, a main arm handle 5, a spring piston mechanism 6, an upper die 7, a spring propeller 8, a piston-type extrusion block 9, a top block 10, a lower die 11, a push-pull handle 12, a spiral mounting cover 13, a push-out handle 14, a handle connecting piece 15, a support frame 16, a support pad 17, a fixed lock sleeve 18, a roller 19, a locking buckle groove 20, a telescopic tube 21, a connecting hinge 22, a movable lock sleeve 23, a locking knob 24, a threaded block 25, a locking convex block 26 and a bracket 27. A bracket 27 is installed at the middle position of the upper end of one side of the main body 1, one end of the bracket 27 is installed with a spring piston mechanism 6, and a main arm pressure rod 4 is inserted and installed on the inner wall of the spring piston mechanism 6. A support pad 17 is fixedly connected to one side of the lower end of the main body 1, and a roller 19 is rotatably installed on the other side of the lower end of the main body 1. The front and rear side edges of the upper end of the main body 1 are fixedly connected with telescopic tubes 21, and locking buckle grooves 20 are provided in the upper, middle and lower sides of the side surface of the telescopic tubes 21. A push-pull handle 12 is inserted and installed on the inner wall of the telescopic tubes 21, and a locking convex block 26 is elastically installed at the lower end of the side surface of the push-pull handle 12. The push-pull handle 12 is connected to the telescopic tubes 21 in a pull-out and telescopic manner, and the push-pull handle 12 is installed in a snap-locking manner with the telescopic tubes 21 through the locking convex block 26 in the locking buckle groove 20. The support pad 17 and the roller 19 are distributed in a flush position, and the roller 19 is distributed in a protruding position on one side of the lower end of the main body 1, so that the push-pull handle 12 is convenient for telescopic adjustment and convenient for side-turning push-pull movement through the roller 19.

[0020] The locking convex block 26 is inserted and installed with the telescopic tube 21. The connecting rod main arm 2 is rotatably installed at the upper ends of both sides of the bracket 27, and one end of the inner wall of the connecting rod main arm 2 is rotatably installed with a main arm 3. The main arm 3 is rotatably connected to the upper end of the main arm pressure rod 4, and a main arm handle 5 is installed at one end of the main arm 3. The lower end of the main arm pressure rod 4 is rotatably installed with a spiral mounting cover 13, and a threaded block 25 is inserted and installed on the inner wall of the spiral mounting cover 13. The lower end of the threaded block 25 is fixedly connected with an upper die 7. The upper die 7 is spirally spliced and installed with the spiral mounting cover 13 through the threaded block 25, so that the upper die 7 is convenient for quick spiral disassembly and replacement.

[0021] On the other side of the upper end of the main body 1 at the central position, a spring propeller 8 is installed, and a top block 10 is installed at the upper end of the spring propeller 8. The surface of the top block 10 is flat and smooth, and the top block 10 is elastically telescopically connected to the lower die 11 through the spring propeller 8, so that the top block 10 can be elastically telescoped conveniently and quickly, facilitating material removal. On the front and rear edges of one side of the upper end of the main body 1, piston-type extrusion blocks 9 are installed, and handle connecting pieces 15 are reversely installed on the sides of the piston-type extrusion blocks 9. The piston-type extrusion blocks 9 are linked and movably connected to the spring piston mechanism 6. The push-out handles 14 and the handle connecting pieces 15 are distributed at the convex frame position on one side of the upper end of the main body 1, and the push-out handles 14 and the handle connecting pieces 15 are supported and reversely connected to the support frame 16 through the spring piston mechanism 6, so that the push-out handles 14 and the handle connecting pieces 15 can be conveniently linked and reversed with the main arm 3 to form a shielding structure with good protection effect.

[0022] At one end of the inner wall of the handle connecting piece 15, a push-out handle 14 is installed, and support frames 16 are rotatably installed at the central positions on both sides of the handle connecting piece 15. The lower ends of the support frames 16 are fixedly connected to the upper end of the main body 1. At the lower end of one side of the support 27, a fixed lock sleeve 18 is installed, and at the edge of one side of the fixed lock sleeve 18, a connecting hinge 22 is installed. On the other side of the connecting hinge 22, a movable lock sleeve 23 is installed, and at the edge of one side of the movable lock sleeve 23, a locking knob 24 is inserted and installed. The lower die 11 is inserted and installed between the fixed lock sleeve 18 and the movable lock sleeve 23, and the lower die 11 is sleeved and installed with the top block 10. The lower die 11 is clamped and spliced with the support 27 through the fixed lock sleeve 18 and the movable lock sleeve 23, and the movable lock sleeve 23 is reversely connected to the fixed lock sleeve 18 through the connecting hinge 22. The movable lock sleeve 23 is locked and fixedly connected to the fixed lock sleeve 18 through the locking knob 24, so that the lower die 11 can be conveniently clamped, locked, disassembled and assembled, and can be quickly replaced and used.

[0023] Working principle: When using the manual sheet metal stamping machine with a safety device, first place the device stably, then put the workpiece to be processed into the lower die 11. Then, when manually pressing down the main arm handle 5, the handle connecting piece 15 will be driven to run upward through the spring piston mechanism 6 and the piston-type extrusion block 9 to form a shielding structure. When the stamping is completed and the upper die 7 is lifted, the top block 10 can be driven to protrude by the spring propeller 8 for material removal. When other parts need to be stamped, the lower die 11 can be clamped, disassembled and replaced through the fixed lock sleeve 18 and the movable lock sleeve 23. Then, the upper die 7 can be screwed and disassembled and replaced through the screw installation cover 13 and the threaded block 25. When it needs to be moved, the push-pull handle 12 can be pulled out, and it can be buckled and locked through the locking buckle groove 20 and the locking convex block 26. Then, it can be pushed and pulled and moved by tilting the roller 19. This is the use process of the manual sheet metal stamping machine with a safety device.

[0024] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A manual sheet metal punching machine with a safety device, comprising a main body (1), a bracket (27) being installed at the middle position of the upper end of one side of the main body (1), a spring piston mechanism (6) being installed at one end of the bracket (27), and a main arm pressure rod (4) being inserted and installed on the inner wall of the spring piston mechanism (6), characterized in that: A support pad (17) is fixedly connected to one side of the lower end of the main body (1), and a roller (19) is rotatably mounted on the other side of the lower end of the main body (1). A telescopic tube (21) is fixedly connected to the front and rear side edges of the upper end of the main body (1), and locking buckle grooves (20) are provided at the upper, middle and lower sides of the telescopic tube (21). A push-pull handle (12) is inserted and mounted on the inner wall of the telescopic tube (21), and a locking protrusion (26) is elastically mounted on the lower end of the side of the push-pull handle (12). The locking protrusion (26) is in contact with the telescopic tube (21). 1) plug-in installation, the upper ends of both sides of the bracket (27) are flipped and installed with connecting rod main arms (2), and one end of the inner wall of the connecting rod main arm (2) is flipped and installed with a main arm (3), the main arm (3) is flipped and connected with the upper end of the main arm pressure rod (4), and one end of the main arm (3) is installed with a main arm handle (5), the lower end of the main arm pressure rod (4) is rotatably installed with a screw installation cover (13), and the inner wall of the screw installation cover (13) is plugged and installed with a threaded block (25), and the lower end of the threaded block (25) is fixedly connected with an upper mold (7), A spring pusher (8) is installed at the center position of the other side of the upper end of the main body (1), and a top block (10) is installed at the upper end of the spring pusher (8). A piston-type extrusion block (9) is installed at the front and rear edges of one side of the upper end of the main body (1), and a handle connecting piece (15) is installed on the side of the piston-type extrusion block (9). A push-out handle (14) is installed at one end of the inner wall of the handle connecting piece (15), and support frames (16) are rotatably installed at the center positions of both sides of the handle connecting piece (15). The support frames (16) ) is fixedly connected to the upper end of the main body (1), a fixed lock sleeve (18) is installed at the lower end of one side of the bracket (27), and a connecting hinge (22) is installed on one side edge of the fixed lock sleeve (18), a movable lock sleeve (23) is installed on the other side of the connecting hinge (22), and a locking knob (24) is inserted and installed on one side edge of the movable lock sleeve (23), a lower mold (11) is inserted and installed between the fixed lock sleeve (18) and the movable lock sleeve (23), and the lower mold (11) is installed in a sleeve-fitted manner with the top block (10).

2. A manual sheet metal punching machine with a safety device according to claim 1, characterized in that: The upper mold (7) is installed in a spiral manner by means of a threaded block (25) and a spiral installation cover (13).

3. A manual sheet metal punching machine with a safety device according to claim 2, characterized in that: The piston extrusion block (9) is movably connected to the spring piston mechanism (6), the ejection handle (14) and the handle connecting piece (15) are arranged on one side of the upper end of the main body (1) in a protruding frame position, and the ejection handle (14) and the handle connecting piece (15) are connected to the support frame (16) in a supporting and flipping manner through the spring piston mechanism (6).

4. A manual sheet metal punching machine with a safety device according to claim 3, characterized in that: The surface of the top block (10) is a flat and smooth structure, and the top block (10) is elastically and telescopically connected to the lower mold (11) via a spring pusher (8).

5. A manual sheet metal punching machine with a safety device according to claim 4, characterized in that: The lower mold (11) is clamped and spliced ​​with the bracket (27) via a fixed locking sleeve (18) and a movable locking sleeve (23), and the movable locking sleeve (23) is flip-connected to the fixed locking sleeve (18) via a connecting hinge (22), and the movable locking sleeve (23) is locked and fixedly connected to the fixed locking sleeve (18) via a locking knob (24).

6. A manual sheet metal punching machine with a safety device according to claim 5, characterized in that: The push-pull handle (12) is connected to the telescopic tube (21) in a pull-pull telescopic manner, and the push-pull handle (12) is buckled and locked with the telescopic tube (21) in the locking buckle groove (20) via a locking protrusion (26), the support pad (17) and the roller (19) are arranged in a flush position, and the roller (19) is arranged in a protruding position on one side of the lower end of the main body (1).

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