Precise feeding device for punching machine

By setting up a conveying and positioning mechanism on the stamping machine, combined with the electrical control of the scale and hydraulic telescopic rod, the problem of insufficient accuracy of the traditional feeding device is solved, and the precise loading and fixed-length cutting of the material plate is achieved.

CN223185376UActive Publication Date: 2025-08-05NINGBO QIANFENG PRECISION MOLD CO LTD
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Patent Information

Application Number
CN202422425749.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-05
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The feeding devices of traditional stamping machines lack accurate measurement and adjustment mechanisms, which leads to inconvenient control of the feeding length and are affected by mechanical wear and environmental factors.

Method used

The precise feeding device including a conveying mechanism, a positioning mechanism and a hydraulic telescopic rod is adopted to achieve electrical control and precise feeding length adjustment through the coordination of scales, fixing bolts and touch switches.

Benefits of technology

Accurate feeding of sheets of different thicknesses and widths is achieved, ensuring accurate control of feed length, and improving the accuracy and stability of feeding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The precise feeding device comprises a base and a punching machine body, the upper surface of the base is fixedly connected with a conveying mechanism, the outer surface of the conveying mechanism is fixedly connected with a positioning mechanism, the punching machine body is fixedly connected to the upper surface of the base, and the positioning mechanism is fixedly connected to the positioning mechanism. The utility model relates to the technical field of punching machine feeding. According to the precise feeding device for the punching machine, by rotating a fixing bolt, one end of the fixing bolt is separated from the outer surface of a graduated scale, then a connecting plate is pulled, the distance between a supporting rod and a lower cutting blade is conveniently adjusted, and then the feeding length of a material plate is conveniently and precisely adjusted; and when the other end of the material plate makes contact with the outer surface of the touch switch, the hydraulic telescopic rod starts to work after receiving an instruction, the electrical control process from extrusion to starting of the hydraulic telescopic rod is achieved, and the feeding length of the material plate is conveniently and accurately controlled to a certain degree.
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Description

Technical Field

[0001] The utility model relates to the technical field of punching machine feeding, in particular to a precise feeding device for a punching machine. Background Art

[0002] Stamping is a forming method that uses a press and a die to apply external force to plates, strips, pipes and profiles to cause them to undergo plastic deformation or separation, thereby obtaining workpieces of the desired shape and size. Stamping and forging are both plastic processing and are collectively called forging.

[0003] Traditional feeding methods usually rely on simple mechanical transmission and manual experience to control the feeding length, and lack precise measurement and adjustment mechanisms. During the production process, due to mechanical wear, vibration and environmental factors, the accuracy of the feeding device will gradually decrease, making it inconvenient to accurately control the feeding length.

[0004] To this end, the utility model provides a precise feeding device for a punching machine to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a precise feeding device for a punching machine, which solves the above problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a precision feeding device for a stamping machine, comprising a base and a stamping machine body, the upper surface of the base is fixedly connected to a transmission mechanism, the outer surface of the transmission mechanism is fixedly connected to a positioning mechanism, and the stamping machine body is fixedly connected to the upper surface of the base, the transmission mechanism comprises multiple groups of fixed frames fixedly connected to the upper surface of the base, the outer surface of the fixed frame is rotatably connected to a transmission roller, the upper surface of the transmission roller is affixed to a material plate, the upper surface of the material plate is affixed to a limiting rod, and one end of the transmission roller passes through the outer surface of the fixed frame and is fixedly connected to a sprocket, and both side surfaces of the material plate are slidably connected to a rotating rod, the positioning mechanism comprises a limiting sleeve fixedly connected to the outer surface of the fixed frame, the inner surface of the limiting sleeve is slidably connected to a scale, the upper surface of the scale is fixedly connected to a connecting plate, the outer surface of the connecting plate is fixedly connected to a touch switch, and the outer surface of the touch switch is electrically connected to the hydraulic telescopic rod in the stamping machine body through a wire.

[0007] Furthermore, a fixing bolt is threadedly connected to the outer surface of the limiting sleeve, and the other end of the fixing bolt is in contact with the outer surface of the scale.

[0008] By adopting the above technical solution, the outer surface of the fixing bolt and the outer surface of the scale are tightly fitted by rotating the fixing bolt, thereby facilitating the positioning of the scale.

[0009] Furthermore, the positioning mechanism also includes a lower cutting blade fixedly connected to the upper surface of the base, an upper cutting blade is arranged above the lower cutting blade, the outer surface of the upper cutting blade is fixedly connected to a connecting rod, and the outer surface of the connecting rod is fixedly connected to the outer surface of the upper template in the punch body.

[0010] By adopting the above technical solution, the upper template in the punching machine body moves downward, thereby causing the upper cutting blade to move toward the lower cutting blade, thereby facilitating cutting of the material sheet.

[0011] Furthermore, a support rod is fixedly connected to the outer surface of the connecting plate, and the outer surface of the support rod is slidably connected to the outer surface of the fixed frame.

[0012] By adopting the above technical solution, the outer surface of the connecting plate can be easily supported by the support rod and the scale.

[0013] Furthermore, the transmission mechanism also includes a reduction motor fixedly connected to the upper surface of the base, the output shaft of the reduction motor is fixedly connected to the outer surface of the sprocket, and the outer surface of the sprocket is meshed with a chain.

[0014] By adopting the above technical solution, by starting the reduction motor, the output shaft of the reduction motor drives the sprocket to rotate, thereby allowing the two sets of transmission rollers to rotate synchronously, thereby facilitating the conveying of the material sheet.

[0015] Furthermore, a spring is fixedly connected to the inner side surface of the fixed frame, the other end of the spring is fixedly connected to the outer surface of the limiting rod, and the outer surface of the limiting rod is slidably connected to the outer surface of the fixed frame.

[0016] By adopting the above technical solution, the upper surface of the material plate can be pressed by the spring, so that the limiting rod can limit the upper surface of the limiting frame, and it is convenient to limit the material plates with different thicknesses.

[0017] Furthermore, the upper surface of the base is fixedly connected to a limiting frame, the inner wall of the limiting frame is rotatably connected to a bidirectional threaded rod, one end of the bidirectional threaded rod passes through the outer surface of the limiting frame and is fixedly connected to a handle, and the outer surface of the bidirectional threaded rod is threadedly connected to a connecting block, and the lower end of the rotating rod is rotatably connected to the upper surface of the connecting block.

[0018] By adopting the above technical solution, the distance between the connecting blocks can be adjusted by turning the handle, so that the rotating rod can limit the material plates of different widths. At the same time, the rotating rod rotates on the upper surface of the connecting block to reduce the friction between the rotating rod and the material plate.

[0019] Beneficial effects

[0020] The utility model provides a precise feeding device for a punching machine. Compared with the prior art, it has the following advantages:

[0021] 1. This kind of precise feeding device for a punching machine separates one end of the fixing bolt from the outer surface of the scale by rotating the fixing bolt, and then pulls the connecting plate to adjust the distance between the support rod and the lower cutting blade, thereby facilitating the precise adjustment of the feeding length of the material sheet. When the other end of the material sheet contacts the outer surface of the touch switch, the hydraulic telescopic rod starts working after receiving the command, realizing the electrical control process from being squeezed to starting the hydraulic telescopic rod, which facilitates the precise control of the feeding length of the material sheet to a certain extent.

[0022] 2. This kind of precise feeding device for punching machine passes the material sheet between the driving roller and the limit rod, and then turns the handle to limit the two side surfaces of the material sheet, so as to facilitate the loading of material sheets of different thicknesses and widths. When the upper template of the punching machine body moves downward, the upper template drives the upper cutting blade to move in the direction of the downward cutting blade, so as to facilitate the cutting of the material sheet and connect to the continuous fixed-length loading of the material sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the implementation scheme of the present invention or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 2 This is a front view structural diagram of the present utility model;

[0026] Figure 3 This is a left-side half-section structural schematic diagram of the present invention;

[0027] Figure 4 It is a right side half-section structural schematic diagram of the present invention.

[0028] In the figure: 1. Base; 2. Conveying mechanism; 201. Spring; 202. Rotating rod; 203. Chain; 204. Handle; 205. Limiting frame; 206. Connecting block; 207. Limiting rod; 208. Reducer motor; 209. Fixed frame; 210. Sprocket; 211. Bidirectional threaded rod; 212. Transmission roller; 3. Punching machine body; 4. Positioning mechanism; 401. Upper cutting blade; 402. Connecting rod; 403. Touch switch; 404. Lower cutting blade; 405. Scale; 406. Fixing bolt; 407. Limiting sleeve; 408. Connecting plate; 409. Support rod; 5. Material plate. DETAILED DESCRIPTION

[0029] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are all based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be directly connected, or indirectly connected through an intermediate medium, or they can be internal connections between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] The present application will be further described in detail below through the accompanying drawings and examples.

[0031] Reference Figures 1 to 4 The embodiment of the present application provides a precise feeding device for a punching machine, comprising a base 1 and a punching machine body 3, wherein the upper surface of the base 1 is fixedly connected to a transmission mechanism 2, the outer surface of the transmission mechanism 2 is fixedly connected to a positioning mechanism 4, and the punching machine body 3 is fixedly connected to the upper surface of the base 1, and the transmission mechanism 2 comprises a plurality of fixed frames 209 fixedly connected to the upper surface of the base 1, the outer surface of the fixed frame 209 is rotatably connected to a transmission roller 212, the upper surface of the transmission roller 212 is in contact with a material plate 5, the upper surface of the material plate 5 is in contact with a limiting rod 207, and the transmission roller 212 is in contact with a material plate 5. One end of the roller 212 passes through the outer surface of the fixed frame 209 and is fixedly connected to the sprocket 210, and both side surfaces of the material plate 5 are slidably connected to the rotating rod 202. The positioning mechanism 4 includes a limit sleeve 407 fixedly connected to the outer surface of the fixed frame 209, and the inner side surface of the limit sleeve 407 is slidably connected to the scale 405. The upper surface of the scale 405 is fixedly connected to the connecting plate 408, and the outer surface of the connecting plate 408 is fixedly connected to the touch switch 403. The outer surface of the touch switch 403 is electrically connected to the hydraulic telescopic rod in the punching machine body 3 through a wire.

[0032] Reference Figures 1 to 4 In one aspect of this embodiment, the outer surface of the limit sleeve 407 is threadedly connected to a fixing bolt 406, and the other end of the fixing bolt 406 is in contact with the outer surface of the scale 405. The positioning mechanism 4 also includes a lower cutting blade 404 fixedly connected to the upper surface of the base 1, and an upper cutting blade 401 is arranged above the lower cutting blade 404. The outer surface of the upper cutting blade 401 is fixedly connected to a connecting rod 402, and the outer surface of the connecting rod 402 is fixedly connected to the outer surface of the upper template inside the punching machine body 3. The outer surface of the connecting plate 408 is fixedly connected to a support rod 409, and the outer surface of the support rod 409 is slidably connected to the outer surface of the fixed frame 209.

[0033] Reference Figures 1 to 4 In one aspect of this embodiment, the transmission mechanism 2 also includes a reduction motor 208 fixedly connected to the upper surface of the base 1, and the output shaft of the reduction motor 208 is fixedly connected to the outer surface of the sprocket 210, and the outer surface of the sprocket 210 is meshed with the chain 203.

[0034] Reference Figures 1 to 4 In one aspect of this embodiment, the inner side surface of the fixed frame 209 is fixedly connected to the spring 201, the other end of the spring 201 is fixedly connected to the outer surface of the limit rod 207, and the outer surface of the limit rod 207 is slidably connected to the outer surface of the fixed frame 209, the upper surface of the base 1 is fixedly connected to the limit frame 205, the inner wall of the limit frame 205 is rotatably connected to the bidirectional threaded rod 211, one end of the bidirectional threaded rod 211 passes through the outer surface of the limit frame 205 and is fixedly connected to the handle 204, and the outer surface of the bidirectional threaded rod 211 is threadedly connected to the connecting block 206, and the lower end of the rotating rod 202 is rotatably connected to the upper surface of the connecting block 206.

[0035] Working principle: by passing the material sheet 5 between the transmission roller 212 and the limit rod 207, and then starting the reduction motor 208, the output shaft of the reduction motor 208 drives the sprocket 210 to rotate, and the two sets of sprockets 210 rotate synchronously through the chain 203. At the same time, the limit rod 207 can limit the upper surface of the material sheet 5, so that the material sheet 5 can slide outside the transmission roller 212, thereby facilitating the loading of the material sheet 5. When the other end of the material sheet 5 contacts the outer surface of the touch switch 403, the circuit in the touch switch 403 changes to generate a corresponding electrical signal and transmits it along the wire to the control circuit part of the hydraulic telescopic rod, triggering the starting mechanism of the hydraulic telescopic rod, so that the hydraulic telescopic rod starts to work after receiving the command, realizing the electrical control process from being squeezed to starting the hydraulic telescopic rod, and by rotating the fixing bolt 406, one end of the fixing bolt 406 is in contact with the outer surface of the scale 405 Separate, and then pull the connecting plate 408 to adjust the distance between the support rod 409 and the lower cutting blade 404, so as to facilitate the precise adjustment of the feeding length of the material sheet 5. By turning the handle 204, the rotation of the handle 204 drives the bidirectional threaded rod 211 to rotate, and the rotation of the bidirectional threaded rod 211 drives the two sets of connecting blocks 206 to approach each other, so as to facilitate the limiting of the two side surfaces of the material sheet 5, so as to facilitate the loading of material sheets 5 of different thicknesses and different widths. When the upper template of the punching machine body 3 moves downward, the upper template drives the upper cutting blade 401 to move in the direction of the lower cutting blade 404, so as to facilitate the cutting of the material sheet 5 and connect to the continuous fixed-length feeding of the material sheet 5. When the upper template of the punching machine body 3 moves downward, the upper template drives the upper cutting blade 401 to move in the direction of the lower cutting blade 404, so as to facilitate the cutting of the material sheet 5 and connect to the continuous fixed-length feeding of the material sheet 5.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A precision feeding device for a punching machine, comprising a base (1) and a punching machine body (3), characterized in that: The upper surface of the base (1) is fixedly connected to a transmission mechanism (2), the outer surface of the transmission mechanism (2) is fixedly connected to a positioning mechanism (4), and the punching machine body (3) is fixedly connected to the upper surface of the base (1), the transmission mechanism (2) includes a plurality of fixed frames (209) fixedly connected to the upper surface of the base (1), the outer surface of the fixed frame (209) is rotatably connected to a transmission roller (212), the upper surface of the transmission roller (212) is affixed to a material plate (5), the upper surface of the material plate (5) is affixed to a limiting rod (207), and one end of the transmission roller (212) passes through the fixed frame The outer surface of (209) is fixedly connected to a sprocket (210), and both side surfaces of the material plate (5) are slidably connected to a rotating rod (202), the positioning mechanism (4) includes a limit sleeve (407) fixedly connected to the outer surface of the fixed frame (209), the inner side surface of the limit sleeve (407) is slidably connected to a scale (405), the upper surface of the scale (405) is fixedly connected to a connecting plate (408), the outer surface of the connecting plate (408) is fixedly connected to a touch switch (403), and the outer surface of the touch switch (403) is electrically connected to the hydraulic telescopic rod in the punching machine body (3) through a wire.

2. A precise feeding device for a punching machine according to claim 1, characterized in that: The outer surface of the limiting sleeve (407) is threadedly connected with a fixing bolt (406), and the other end of the fixing bolt (406) is in contact with the outer surface of the scale (405).

3. The precise feeding device for a punching machine according to claim 2, characterized in that: The positioning mechanism (4) further comprises a lower cutting blade (404) fixedly connected to the upper surface of the base (1); an upper cutting blade (401) is provided above the lower cutting blade (404); the outer surface of the upper cutting blade (401) is fixedly connected to a connecting rod (402); and the outer surface of the connecting rod (402) is fixedly connected to the outer surface of the upper template inside the punching machine body (3).

4. The precise feeding device for a punching machine according to claim 1, characterized in that: The outer surface of the connecting plate (408) is fixedly connected to a support rod (409), and the outer surface of the support rod (409) is slidably connected to the outer surface of the fixed frame (209).

5. The precise feeding device for a punching machine according to claim 3, characterized in that: The transmission mechanism (2) further comprises a reduction motor (208) fixedly connected to the upper surface of the base (1); an output shaft of the reduction motor (208) is fixedly connected to the outer surface of the sprocket (210); and the outer surface of the sprocket (210) is meshedly connected with a chain (203).

6. The precise feeding device for a punching machine according to claim 1, characterized in that: A spring (201) is fixedly connected to the inner side of the fixed frame (209), the other end of the spring (201) is fixedly connected to the outer surface of the limiting rod (207), and the outer surface of the limiting rod (207) is slidably connected to the outer surface of the fixed frame (209).

7. The precise feeding device for a punching machine according to claim 6, characterized in that: The upper surface of the base (1) is fixedly connected to a limit frame (205); the inner wall of the limit frame (205) is rotatably connected to a bidirectional threaded rod (211); one end of the bidirectional threaded rod (211) passes through the outer surface of the limit frame (205) and is fixedly connected to a handle (204); the outer surface of the bidirectional threaded rod (211) is threadedly connected to a connecting block (206); and the lower end of the rotating rod (202) is rotatably connected to the upper surface of the connecting block (206).