Punching device with positioning structure
Patent Information
- Application Number
- CN202522109661.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-09-30
AI Technical Summary
[0003]目前，在传统冲孔加工流程中，工件定位完全依赖操作人员手动完成，每完成一个孔位的冲孔作业后，工作人员需先借助测量工具手动校准工件当前位置，再通过人力推动或搬运工件，将其精准移动至下一预设孔位，整个过程步骤繁琐且耗时长，直接拉长了单件产品的整体加工周期，鉴于此，我们提出一种具有定位结构的冲孔装置
（1）、该具有定位结构的冲孔装置，当液压缸带动底座及冲孔刀具向上复位时，齿杆同步上移驱动齿轮一逆时针转动，借助齿轮一内部弹性卡块与棘轮构成的棘轮棘爪机构，带动转动轴及齿轮二同步转动，齿轮二再通过啮合推动齿条杆向冲孔刀具方向运动，最终由限位块推动工件精准平移至下一个待冲压位置。该过程无需人工手动调整工件位置，减少了人工操作步骤、降低人力成本。
Smart Images
Figure CN224854848U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stamping device technology, specifically a punching device with a positioning structure. Background Technology
[0002] Punching equipment is a general term for mechanical equipment used to process holes in solid materials. Its core function is to use a power mechanism to drive the punching die to apply pressure or impact force to the material to complete the punching operation.
[0003] Currently, in the traditional punching process, workpiece positioning relies entirely on manual operation. After each hole is punched, the operator must first manually calibrate the current position of the workpiece using measuring tools, and then manually push or move the workpiece to the next preset hole position. The whole process is cumbersome and time-consuming, which directly extends the overall processing cycle of a single product. In view of this, we propose a punching device with a positioning structure. Utility Model Content
[0004] The main objective of this invention is to provide a punching device with a positioning structure, which can solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model proposes a punching device with a positioning structure, including an operating table with a sliding groove and a feeding mechanism. The feeding mechanism includes: A rotating shaft passes through a fixed plate and is rotatably connected to the fixed plate. The fixed plate is connected to the outer wall of the operating table. One end of the rotating shaft passes through a second gear and is fixedly connected to the second gear, and the other end passes through a first gear and is rotatably connected to the first gear. The first gear is provided with an elastic locking block. A ratchet is disposed inside a gear, and the ratchet is penetrated by a rotating shaft and fixedly connected to the rotating shaft; A rack and pinion, which meshes with a gear, is slidably connected to a groove, and has a limit block connected to its outer wall; A rack, which meshes with a gear.
[0006] Preferably, a support frame is connected to the outer wall of the operating table, a hydraulic cylinder is provided on the outer wall of the support frame, and a base is connected to the output end of the hydraulic cylinder.
[0007] Preferably, a punching tool is connected to the outer wall of the base, and a rod is connected to the end of the base, with the outer wall of the rod connected to a toothed rod.
[0008] Preferably, the base is penetrated by a guide rod and slidably connected to the guide rod, the end of the guide rod is connected to a pressure plate, and a spring is provided between the pressure plate and the base.
[0009] Preferably, the outer wall of the operating table is provided with a support plate and support strips for supporting the workpiece.
[0010] Preferably, the support plate and the support strip are provided with limiting plates on both sides, and the width of the limiting plates is the same as the width of the workpiece.
[0011] Preferably, the rack and pinion is provided in two sets and connected by a connecting rod.
[0012] This utility model provides a punching device with a positioning structure. It has the following beneficial effects: (1) In this punching device with a positioning structure, when the hydraulic cylinder drives the base and punching tool to reset upwards, the rack moves upwards synchronously, driving gear one to rotate counterclockwise. With the help of the ratchet and pawl mechanism formed by the internal elastic block of gear one and the ratchet, the rotating shaft and gear two rotate synchronously. Gear two then pushes the rack rod to move towards the punching tool through meshing. Finally, the limiting block pushes the workpiece to the next position to be punched precisely. This process does not require manual adjustment of the workpiece position, reducing manual operation steps and lowering labor costs.
[0013] (2) In the process of the punching device with positioning structure, the pressure plate under the base will contact the upper surface of the workpiece first when the base moves downward to drive the punching tool closer to the workpiece. As the base continues to move downward, the pressure plate can apply a stable pressing force to the workpiece, firmly fixing the workpiece to the surface of the support bar. This effectively limits the displacement of the workpiece during the punching process and avoids the workpiece shifting or misalignment caused by the impact force generated by the punching tool during punching. It also prevents problems such as inaccurate punching position and hole deformation caused by workpiece position deviation. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the three-dimensional structure of the operating table of this utility model. Figure 1 ; Figure 3 This is a partial three-dimensional structural diagram of the present invention; Figure 4 This utility model Figure 3 Schematic diagram of structure A in the middle; Figure 5 This is a schematic diagram of a three-dimensional cross-sectional structure of the rack and gear of this utility model; Figure 6 This is a three-dimensional structural diagram of the rack rod of this utility model; Figure 7 This is a schematic diagram of the three-dimensional structure of this utility model. Figure 2 .
[0016] Explanation of icon numbers: 1. Operating table; 11. Support frame; 12. Slide groove; 13. Support plate; 14. Support bar; 15. Limiting plate; 2. Hydraulic cylinder; 3. Base; 31. Punching tool; 32. Rod body; 33. Pressure plate; 34. Guide rod; 41. Rotating shaft; 411. Ratchet; 412. Fixing plate; 42. Gear one; 421. Elastic locking block; 43. Gear two; 44. Rack and pinion; 45. Gear bar; 46. Limiting block.
[0017] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figures 1-7 This utility model proposes a punching device with a positioning structure, including an operating table 1. The outer wall of the operating table 1 is provided with a support plate 13 and a support bar 14 for supporting the workpiece. Limiting plates 15 are provided on both sides of the support plate 13 and the support bar 14, and the width of the limiting plates 15 is the same as the width of the workpiece. The operating table 1 is provided with a sliding groove 12, and a feeding mechanism is provided on the operating table 1. In the embodiments of this utility model, in order to achieve the purpose of feeding, the feeding mechanism specifically includes a rotating shaft 41, which passes through a fixed plate 412 and is rotatably connected to the fixed plate 412. The fixed plate 412 is connected to the outer wall of the operating table 1. One end of the rotating shaft 41 passes through a second gear 43 and is fixedly connected to the second gear 43, and the other end passes through a first gear 42 and is rotatably connected to the first gear 42. An elastic locking block 421 is provided inside the first gear 42. A ratchet 411 is provided inside the first gear 42 and is passed through by the rotating shaft 41 and is fixedly connected to the rotating shaft 41. A rack 44 meshes with the second gear 43 and is slidably connected to the slide groove 12. There are two sets of racks 44, which are connected by a connecting rod. A limit block 46 is connected to the outer wall of the rack 44. A rack 45 cooperates with the first gear 42. Furthermore, a support frame 11 is connected to the outer wall of the operating table 1, and a hydraulic cylinder 2 is provided on the outer wall of the support frame 11. A base 3 is connected to the output end of the hydraulic cylinder 2. A punching tool 31 is connected to the outer wall of the base 3. A rod 32 is connected to the end of the base 3. The outer wall of the rod 32 is connected to a toothed rod 45. The base 3 is penetrated by a guide rod 34 and is slidably connected to the guide rod 34. A pressure plate 33 is connected to the end of the guide rod 34. A spring is provided between the pressure plate 33 and the base 3. In this utility model, during use, the workpiece to be stamped is first placed stably on the outer wall of the support bar 14, such as... Figure 1 As shown, ensure that the area of the workpiece to be punched is aligned with the trajectory of the punching tool 31. Then, start the hydraulic cylinder 2, whose output end drives the fixedly connected base 3 downwards, and the punching tool 31 at the bottom of the base 3 moves downwards synchronously. After the base 3 moves down a certain distance, the toothed rod 45 on its side wall contacts the gear 42 and applies force, causing the gear 42 to rotate clockwise. It should be noted that the gear 42 has an elastic locking block 421 and a ratchet 411 inside, which together form a ratchet and pawl mechanism. When the gear 42 rotates clockwise, the inclined surface of the ratchet 411 pushes the elastic locking block 421 upwards and disengages it. At this time, the rotating shaft 41 remains stationary, and the base 3 continues to move downwards until the punching tool 31 completes the workpiece punching. After the stamping is completed, the hydraulic cylinder 2 drives the base 3 and the punching cutter 31 to return to their original position. The rack 45 moves upward and acts on the gear 42 again, causing it to rotate counterclockwise. At this time, the right-angled side of the elastic block 421 is in close contact with the ratchet 411 and drives the ratchet 411 to rotate. This causes the rotating shaft 41 and the gear 43 at the end to rotate synchronously. The gear 43 pushes the rack 44 towards the punching cutter 31 through meshing. The limiting block 46 fixed to the rack 44 pushes the workpiece to the next position to be stamped, thus completing the automatic feeding. During the downward movement of the base 3, in addition to bringing the punching tool 31 closer to the workpiece, the pressure plate 33 below the base 3 will preferentially contact the upper surface of the workpiece. After contact, the pressure plate 33 will apply a stable pressing force to the workpiece, firmly fixing the workpiece to the surface of the support bar 14, effectively limiting the displacement of the workpiece in the subsequent stamping process, and avoiding the workpiece from shifting or misaligning due to the impact force of the punching tool 31.
[0020] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A punching device with a positioning structure, comprising an operating table (1), wherein the operating table (1) is provided with a sliding groove (12), and a feeding mechanism is provided on the operating table (1), characterized in that: The feeding mechanism includes: A rotating shaft (41) passes through a fixed plate (412) and is rotatably connected to the fixed plate (412). The fixed plate (412) is connected to the outer wall of the operating table (1). One end of the rotating shaft (41) passes through a gear two (43) and is fixedly connected to the gear two (43). The other end passes through a gear one (42) and is rotatably connected to the gear one (42). An elastic locking block (421) is provided inside the gear one (42). Ratchet (411), the ratchet (411) is disposed inside gear one (42), and the ratchet (411) is penetrated by the rotating shaft (41) and fixedly connected to the rotating shaft (41); A rack rod (44) meshes with a gear two (43), the rack rod (44) is slidably connected to a slide groove (12), and a limit block (46) is connected to the outer wall of the rack rod (44). A rack (45) that engages with a gear (42).
2. The punching device with a positioning structure according to claim 1, characterized in that: The outer wall of the operating table (1) is connected to a support frame (11), and the outer wall of the support frame (11) is provided with a hydraulic cylinder (2). The output end of the hydraulic cylinder (2) is connected to a base (3).
3. A punching device with a positioning structure according to claim 2, characterized in that: The outer wall of the base (3) is connected to a punching tool (31), and the end of the base (3) is connected to a rod (32). The outer wall of the rod (32) is connected to a toothed rod (45).
4. A punching device with a positioning structure according to claim 2, characterized in that: The base (3) is penetrated by the guide rod (34) and slidably connected to the guide rod (34). The end of the guide rod (34) is connected to a pressure plate (33), and a spring is provided between the pressure plate (33) and the base (3).
5. A punching device with a positioning structure according to claim 1, characterized in that: The outer wall of the operating table (1) is provided with a support plate (13) and a support bar (14) for supporting the workpiece.
6. A punching device with a positioning structure according to claim 5, characterized in that: The support plate (13) and the support bar (14) are provided with limiting plates (15) on both sides, and the width of the limiting plate (15) is consistent with the width of the workpiece.
7. A punching device with a positioning structure according to claim 1, characterized in that: The rack (44) has two sets and is connected by a connecting rod.