A continuous punching die

Abstract

The utility model relates to the technical field of punching molds and discloses a continuous punching mold, comprising a workbench, a mold base is fixedly connected to the middle of the top of the workbench, and positioning devices are fixedly connected to both sides of the top of the workbench. The positioning device comprises two fixing plates, the front surface of the fixing plate is threadedly sleeved with an adjusting threaded rod, and the other end of the adjusting threaded rod is movably connected with a positioning plate, rectangular grooves are opened on the inner sides of the two positioning plates, a cylindrical tube is fixedly connected to the top of the inner side of the rectangular groove, a telescopic rod is movably sleeved on the bottom of the inner side of the cylindrical tube, a pressing and telescopic plate is fixedly connected to the bottom of the telescopic rod, and a pressing spring is movably sleeved on the outer side of the cylindrical tube. By providing the positioning device, the positioning plate plays a role of limiting the plate to avoid displacement during the punching process, and secondly, under the elastic force of the pressing spring, the bottom of the pressing and telescopic plate can always fit with the top of the plate to avoid the punching device lifting the plate to cause dislocation and displacement.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, and more specifically to a continuous punching die. Background Art

[0002] In the mold industry, various molds and tools are used to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. In short, the mold is a tool used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material.

[0003] A tool that makes the blank into a part with a specific shape and size under the action of external force. It is widely used in blanking, die forging, cold heading, extrusion, powder metallurgy pressing, pressure casting, and compression or injection molding of engineering plastics, rubber, ceramics and other products. The mold has a specific contour or inner cavity shape. The use of a contour shape with a cutting edge can make the blank separate (blanking) according to the shape of the contour line. The use of the inner cavity shape can make the blank obtain a corresponding three-dimensional shape. The mold generally consists of a movable mold and a fixed mold (or a punch and a die), which can be separated or combined. The mold is a precision tool with a complex shape. It bears the expansion force of the blank. It has high requirements for structural strength, rigidity, surface hardness, surface roughness and processing accuracy. The development level of mold production is one of the important indicators of the level of mechanical manufacturing.

[0004] Punching molds are used to punch holes in plates or pipes to meet different needs, including eight-shaped holes, hexagonal holes, perforated plates, long holes, square holes, round holes, perforated plate nets, triangular holes, etc.

[0005] When punching holes in a plate, it is necessary to position the plate to avoid displacement of the plate during the punching process. However, traditional positioning devices generally use multiple bolts for positioning. When different plates need to be positioned, the bolts need to be disassembled. The steps are cumbersome, time-consuming, and production efficiency is reduced. Secondly, debris is often generated during the punching process. The debris accumulates on the workbench and the mold base, which can easily cause a dent in the bottom of the subsequent plate, affecting the quality and appearance of the product. Utility Model Content

[0006] In order to overcome the above defects of the prior art, the utility model provides a continuous punching die to solve the problems existing in the above background technology.

[0007] The utility model provides the following technical scheme: a continuous punching mold comprises a workbench, the four corners of the bottom of the workbench are fixedly connected to supporting legs, the top of the workbench is fixedly connected to a fixing frame, the top of the fixing frame is fixedly connected to a cylinder, the bottom of the cylinder is fixedly connected to a lifting plate, the four corners of the bottom of the lifting plate are fixedly connected to a buffer spring, the other end of the buffer spring is fixedly connected to a punching device, the middle of the top of the workbench is fixedly connected to a mold base, both sides of the top of the workbench are fixedly connected to a positioning device, the positioning device comprises two fixing plates, the front surface of the fixing plate is threadedly sleeved with an adjusting threaded rod, one end of the adjusting threaded rod is fixedly connected with a crank handle, the other end of the adjusting threaded rod is movably connected to a positioning plate, rectangular grooves are provided on the inner sides of the two positioning plates, the top of the inner side of the rectangular groove is fixedly connected with a cylindrical tube, the bottom of the inner side of the cylindrical tube is movably sleeved with a telescopic rod, the bottom of the telescopic rod is fixedly connected with a pressing telescopic plate, and the outer side of the cylindrical tube is movably sleeved with a pressing spring.

[0008] Furthermore, an air pump is provided on the back of the workbench, an air pipe is fixedly connected to the top of the air pump, a fixed pipe is fixedly connected to the other end of the air pipe, and the fixed pipe is fixedly connected to the positioning plate on the left side.

[0009] Furthermore, a debris hole is provided on the right side of the top of the workbench, and a debris frame is movably connected to the bottom of the debris hole.

[0010] Furthermore, the four corners of the top of the punching device are fixedly connected with cylindrical rods, the cylindrical rods are movably connected with the top of the lifting plate and the fixed frame, and the top of the cylindrical rods is fixedly connected with a blocking piece.

[0011] Furthermore, a limiting tube is fixedly connected to the side surface of the fixing plate, a limiting rod is movably sleeved on the inner side of the limiting tube, and the other end of the limiting rod is fixedly connected to the positioning plate.

[0012] Furthermore, the bottom of the pressing and retracting plate and the top of the mold base are in the same horizontal plane.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model is provided with a positioning device. The crank handle is turned clockwise to adjust the threaded rod to move inward, thereby pushing the positioning plates closer to each other, so as to adapt to the punching of plates of different widths, limit the plates, and avoid displacement during the punching process. The utility model is highly practical. Secondly, under the elastic force of the pressing spring, a downward thrust is generated on the pressing and retractable plate, so that the bottom of the pressing and retractable plate can always fit with the top of the plate, pressing the plate, and avoiding the punching device lifting the plate and causing dislocation during the punching process.

[0015] 2. The utility model is provided with a cleaning device, and the air pump can blow out gas, and blow the gas to the top of the mold base through a fixed tube, so as to clean the debris generated by the punching holes on the top of the mold base and nearby, and let the debris fall into the inner side of the debris frame through the debris hole, so as to prevent the debris from causing depressions in the bottom of the subsequent plate, thereby affecting the quality and appearance of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the structure of the punching device of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the positioning device of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the pressing device of the utility model.

[0020] Figure 5 It is a schematic diagram of the structure of the cleaning device of the utility model.

[0021] The accompanying drawings are marked as follows: 1. workbench; 11. debris hole; 101. support leg; 102. fixed frame; 103. cylinder; 104. lifting plate; 105. punching device; 106. cylindrical rod; 107. buffer spring; 108. baffle; 109. mold base; 2. positioning device; 201. fixed plate; 202. adjusting threaded rod; 203. crank handle; 204. positioning plate; 241. rectangular groove; 205. limit tube; 206. limit rod; 207. press telescopic plate; 3. air pump; 301. air pipe; 302. fixed tube; 303. debris frame; 4. cylindrical tube; 401. telescopic rod; 402. press spring. DETAILED DESCRIPTION

[0022] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The continuous punching mold involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0023] Reference Figure 1-5The utility model provides a continuous punching mold, including a workbench 1, the four corners of the bottom of the workbench 1 are fixedly connected to support legs 101, the top of the workbench 1 is fixedly connected to a fixing frame 102, the top of the fixing frame 102 is fixedly connected to a cylinder 103, the bottom of the cylinder 103 is fixedly connected to a lifting plate 104, the four corners of the bottom of the lifting plate 104 are fixedly connected to buffer springs 107, the other end of the buffer spring 107 is fixedly connected to a punching device 105, the middle of the top of the workbench 1 is fixedly connected to a mold base 109, both sides of the top of the workbench 1 are fixedly connected to a positioning device 2, the positioning device 2 includes two fixing plates 201, the front surface of the fixing plate 201 is threadedly sleeved with an adjusting threaded rod 202, one end of the adjusting threaded rod 202 is fixedly connected to a crank 203, the other end of the adjusting threaded rod 202 is movably connected to a positioning plate 204, the inner sides of the two positioning plates 204 are provided with rectangular grooves 241, the rectangular grooves The top of the inner side of 241 is fixedly connected with a cylindrical tube 4, and the bottom of the inner side of the cylindrical tube 4 is movably sleeved with a telescopic rod 401, and the bottom of the telescopic rod 401 is fixedly connected with a pressing and telescopic plate 207, and the outer side of the cylindrical tube 4 is movably sleeved with a pressing spring 402. By setting the buffer spring 107, the lifting plate 104 can be buffered and shock-absorbing, and the mold can be protected. The crank handle 203 is turned clockwise to adjust the threaded rod 202 to move inward, thereby pushing the positioning plates 204 closer to each other, so as to adapt to the punching of plates of different widths, limit the plate, and avoid displacement during the punching process. It is highly practical. Secondly, under the elastic force of the pressing spring 402, a downward thrust is generated on the pressing and telescopic plate 207, so that the bottom of the pressing and telescopic plate 207 can always fit with the top of the plate, press the plate, and avoid the punching device 105 lifting the plate and causing dislocation during the punching process.

[0024] In a preferred embodiment, an air pump 3 is provided on the back of the workbench 1, and an air pipe 301 is fixedly connected to the top of the air pump 3, and a fixed pipe 302 is fixedly connected to the other end of the air pipe 301, and the fixed pipe 302 is fixedly connected to the left positioning plate 204. The air pump 3 can blow out gas and blow the gas to the top of the mold base 109 through the fixed pipe 302, so as to clean up the debris generated by punching holes on the top of the mold base 109 and nearby, and let it fall into the inner side of the debris frame 303 through the debris hole 11, so as to avoid the debris causing depressions in the bottom of the subsequent plate, thereby affecting the quality and appearance of the product.

[0025] In a preferred embodiment, a debris hole 11 is opened on the right side of the top of the workbench 1, and the bottom of the debris hole 11 is movably connected to a debris frame 303. The debris falls into the inner side of the debris frame 303 through the debris hole 11, thereby preventing the debris from causing depressions at the bottom of the subsequent plate, thereby affecting the quality and appearance of the product.

[0026] In a preferred embodiment, the four corners of the top of the punching device 105 are fixedly connected with cylindrical rods 106, and the cylindrical rods 106 are movably connected to the top of the lifting plate 104 and the fixed frame 102. The top of the cylindrical rods 106 is fixedly connected with a baffle 108. The cylindrical rods 106 can limit the punching device 105 to avoid deviation during punching.

[0027] In a preferred embodiment, the side of the fixed plate 201 is fixedly connected to a limiting tube 205, the inner side of the limiting tube 205 is movably sleeved with a limiting rod 206, and the other end of the limiting rod 206 is fixedly connected to the positioning plate 204. The limiting tube 205 and the limiting rod 206 can position the positioning plate 204 to prevent the positioning plate 204 from being offset and flipped under the action of the adjusting threaded rod 202, thereby better positioning the plate.

[0028] In a preferred embodiment, the bottom of the pressing telescopic plate 207 and the top of the mold base 109 are in the same horizontal plane, which presses the plate to prevent the punching device 105 from lifting the plate and causing misalignment during the punching process.

[0029] The working principle of the utility model is as follows: by setting the buffer spring 107, the lifting plate 104 can be buffered and shock-absorbed, and the mold can be protected. The crank handle 203 is turned clockwise to adjust the threaded rod 202 to move inward, thereby pushing the positioning plates 204 closer to each other, so as to adapt to the punching of plates of different widths, and limit the plates to avoid deviation during the punching process. It is highly practical. Secondly, under the elastic force of the pressing spring 402, the pressing and retracting plate 207 is pushed downward, so that The bottom of the pressing telescopic plate 207 can always fit in with the top of the plate, pressing the plate to prevent the punching device 105 from lifting the plate and causing misalignment during the punching process. The air pump 3 can blow out gas and blow the gas to the top of the mold base 109 through the fixed tube 302, cleaning the debris generated by punching on the top of the mold base 109 and nearby, and falling into the inner side of the debris frame 303 through the debris hole 11, preventing the debris from causing a dent in the bottom of the subsequent plate, thereby affecting the quality and appearance of the product.

Claims

1. A continuous punching die, comprising a workbench (1), characterized in that: The four corners of the bottom of the workbench (1) are fixedly connected to support legs (101); the top of the workbench (1) is fixedly connected to a fixing frame (102); the top of the fixing frame (102) is fixedly connected to a cylinder (103); the bottom of the cylinder (103) is fixedly connected to a lifting plate (104); the four corners of the bottom of the lifting plate (104) are fixedly connected to buffer springs (107); the other end of the buffer spring (107) is fixedly connected to a punching device (105); the middle of the top of the workbench (1) is fixedly connected to a mold base (109); both sides of the top of the workbench (1) are fixedly connected to positioning devices (2); the positioning device (2) comprises two A fixing plate (201) is provided, the front surface of the fixing plate (201) is threadedly sleeved with an adjusting threaded rod (202), one end of the adjusting threaded rod (202) is fixedly connected with a crank handle (203), the other end of the adjusting threaded rod (202) is movably connected with a positioning plate (204), the inner sides of the two positioning plates (204) are each provided with a rectangular groove (241), the top of the inner side of the rectangular groove (241) is fixedly connected with a cylindrical tube (4), the bottom of the inner side of the cylindrical tube (4) is movably sleeved with a telescopic rod (401), the bottom of the telescopic rod (401) is fixedly connected with a pressing telescopic plate (207), and the outer side of the cylindrical tube (4) is movably sleeved with a pressing spring (402).

2. A continuous punching die according to claim 1, characterized in that: An air pump (3) is provided on the back of the workbench (1), an air pipe (301) is fixedly connected to the top of the air pump (3), a fixed pipe (302) is fixedly connected to the other end of the air pipe (301), and the fixed pipe (302) is fixedly connected to the positioning plate (204) on the left.

3. A continuous punching die according to claim 1, characterized in that: A debris hole (11) is provided on the right side of the top of the workbench (1), and a debris frame (303) is movably connected to the bottom of the debris hole (11).

4. A continuous punching die according to claim 1, characterized in that: The four corners of the top of the punching device (105) are fixedly connected to cylindrical rods (106), the cylindrical rods (106) are movably connected to the top of the lifting plate (104) and the fixed frame (102), and the top of the cylindrical rod (106) is fixedly connected to a blocking piece (108).

5. The continuous punching die according to claim 1, characterized in that: The side of the fixed plate (201) is fixedly connected to a limiting tube (205), the inner side of the limiting tube (205) is movably sleeved with a limiting rod (206), and the other end of the limiting rod (206) is fixedly connected to the positioning plate (204).

6. The continuous punching die according to claim 1, characterized in that: The bottom of the pressing and retracting plate (207) and the top of the mold base (109) are in the same horizontal plane.

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