A new type of polishing leather punch
By designing a polishing skin hole opener with a fixed frame, movable rod, and adjustment components, it is possible to simultaneously open multiple polishing skins and adapt to different hole diameters, solving the problems of low efficiency and polishing skin damage in the existing technology, and improving the versatility and efficiency of the hole opener.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAISHANYUANPENG GRINDING TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-19
AI Technical Summary
Existing polishing skin hole openers cannot open multiple polishing skins simultaneously, resulting in low opening efficiency and easy damage to large areas of polishing skin when cutting with a knife.
A polishing leather hole opener is designed, comprising a fixed frame, a movable rod, a hole-opening assembly, an adjustment assembly, and an ejection assembly. The movable rod drives the mounting base and the hole-opening blade to move downwards, enabling simultaneous hole opening of multiple polishing leathers. The adjustment assembly allows for adjustment of the hole-opening blade distance and replacement of the hole-opening blade to meet different hole diameter requirements.
It improves the efficiency of opening multiple polished skins and the versatility of the hole opener, prevents the hole opener from moving during use, and avoids damage to the polished skin.
Smart Images

Figure CN224374307U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polishing leather hole-making technology, specifically a novel polishing leather hole-making tool. Background Technology
[0002] Most polishing pads used in polishing machines are made of polyurethane. They are cut from a whole sheet and then holes are made in them with a knife before being installed on the polishing wheel of the polishing machine. Making holes with a knife is inconvenient, and excessive force when cutting with a knife can easily cause large-area damage to the polishing pad, rendering it unusable.
[0003] The patent with authorization announcement number CN219819950U discloses a novel polishing leather hole opener. The external thread design facilitates the installation of hole openers with different hole diameters, thereby opening holes of different diameters. This allows the polishing leather to be used with polishing machines of different specifications. The hole opener has a circular blade, which can cut and open the polishing leather during the pressing process without tearing. The opening is uniform and smooth, making it easy to use.
[0004] The existing technical solutions mentioned above have the following drawbacks: Although the patents mentioned above can complete the opening of holes of different diameters on the polished skin, they cannot open holes on multiple polished skins at the same time, thereby reducing the efficiency of opening holes on multiple polished skins. Therefore, a new type of polished skin hole opener is proposed. Utility Model Content
[0005] The purpose of this invention is to provide a novel polishing skin hole opener to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel polishing skin hole opener, comprising...
[0007] A fixed frame, wherein a movable rod extends through the top of the fixed frame;
[0008] An opening assembly is mounted on one end of a movable rod, and an adjustment component is provided on the opening assembly;
[0009] The opening assembly includes a mounting base, a slide rail, and several slide blocks. The mounting base is fixedly connected to the bottom end of the movable rod. The mounting base has a fixing groove inside. The slide rail is fixedly connected to the top of the fixing groove. The several slide blocks are slidably connected to the outside of the slide rail. The bottom of the several slide blocks is fixedly connected to a fixing post. One end of the fixing post extends to the outside of the mounting base and is equipped with an opening cutter. The opening cutter is equipped with an ejection assembly.
[0010] Preferably, the ejection assembly includes a top post, the bottom of the punching tool has a deep groove, the bottom of the deep groove is fixedly connected to a telescopic spring, and the top post is fixedly connected to one end of the telescopic spring and located inside the deep groove.
[0011] Preferably, one end of the aforementioned fixing post is provided with a threaded section, and the piercing tool is threadedly connected to the outer side of one end of the fixing post, with the piercing tool abutting against the bottom of the mounting base.
[0012] Preferably, the aforementioned adjustment assembly includes an adjustment plate, a fixing plate, and a threaded rod. The mounting base has elongated slots on both its front and rear sides. The adjustment plate passes through the interior of the elongated slots. The adjustment plate has several positioning slots, and several fixing posts pass through the interiors of these positioning slots. The fixing plate is fixedly connected to the top front side of the adjustment plate. The threaded rod is threadedly connected to the fixing plate, and one end of the threaded rod is rotatably connected to the front end of the mounting base.
[0013] Preferably, a tension spring is movably sleeved on the outer side of the aforementioned movable rod, with one end of the tension spring fixedly connected to the top inner side of the fixing frame and the other end of the tension spring fixedly connected to the top of the mounting base.
[0014] Preferably, both ends of the mounting base are fixedly connected to connecting plates, and both ends of the inner top of the fixing frame are fixedly connected to guide posts, which penetrate through the top of the connecting plates.
[0015] Preferably, a limiting plate is fixedly connected to the rear side of the aforementioned adjusting plate.
[0016] Compared with the prior art, the present invention, by adopting the above technical solution, has the following technical effects:
[0017] 1. This utility model utilizes a forward-rotating threaded rod. The threaded rod, through a fixed plate, drives an adjusting plate to move. At this time, the positioning groove on the adjusting plate drives the slide block on the fixed column to move on the slide rail. This allows for simultaneous adjustment of the distance between multiple hole-making blades to meet the simultaneous hole-making requirements of polished leather of different sizes. When it is necessary to adjust the hole diameter, the top of the hole-making blade is disengaged from the bottom of the fixed column by rotating the hole-making blade. The threaded connection allows for quick replacement of the hole-making blades to meet the requirements of different hole diameters for polished leather, greatly improving the versatility of the hole-making tool.
[0018] 2. This utility model improves the efficiency of drilling holes in polishing skins by placing multiple polishing pads directly below the drilling blades, moving the movable rod downwards on the fixed frame, driving the mounting base downwards, and driving the multiple drilling blades downwards. Then, the multiple drilling blades abut against the polishing pads to drill holes in the polishing pads. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application 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 application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the rear view structure of this utility model;
[0022] Figure 3 This is a bottom view of the structure of this utility model;
[0023] Figure 4 This is a cross-sectional structural diagram of the present invention;
[0024] Figure 5 This is a schematic diagram of the adjustment plate structure of this utility model.
[0025] Explanation of reference numerals in the attached drawings: 1. Fixed frame; 2. Movable rod; 3. Mounting base; 4. Fixed groove; 5. Slide rail; 6. Slide block; 7. Fixed column; 8. Hole cutter; 9. Deep groove; 10. Telescopic spring; 11. Top column; 12. Long through groove; 13. Adjusting plate; 14. Positioning groove; 15. Fixed plate; 16. Threaded rod; 17. Tension spring; 18. Connecting plate; 19. Guide column. Detailed Implementation
[0026] 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.
[0027] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0028] Example
[0029] Please see Figure 1-5This utility model provides a technical solution: a novel polishing leather hole opener, including a fixed frame 1, with a movable rod 2 movably passing through the top of the fixed frame 1; a hole opening assembly, which is installed at one end of the movable rod 2, and an adjustment component is provided on the hole opening assembly.
[0030] By setting up an opening assembly, multiple polishing pads can be opened at once, thereby improving the efficiency of polishing pad opening. The opening assembly includes a mounting base 3, a slide rail 5, and several slide blocks 6. The mounting base 3 is fixedly connected to the bottom end of the movable rod 2. The mounting base 3 has a fixing groove 4 inside. The slide rail 5 is fixedly connected to the top of the fixing groove 4. Several slide blocks 6 are slidably connected to the outside of the slide rail 5. The bottom of several slide blocks 6 is fixedly connected to a fixing post 7. One end of the fixing post 7 extends to the outside of the mounting base 3 and is equipped with an opening cutter 8. A tension spring 17 is movably sleeved on the outside of the movable rod 2. One end of the tension spring 17 is fixed... The spring 17 is fixedly connected to the top of the inner side of the fixed frame 1, and the other end of the tension spring 17 is fixedly connected to the top of the mounting base 3. By placing the fixed frame 1 on the top of the polishing skin, the movable rod 2 moves downward on the fixed frame 1, the tension spring 17 is in a stretched state, the movable rod 2 drives the mounting base 3 to move downward, and the mounting base 3 drives the hole-making knife 8 to move downward. At this time, the top post 11 abuts against the top of the polishing skin, and the top post 11 moves inside the deep groove 9 under force. At this time, the telescopic spring 10 is in a compressed state, and then the hole-making knife 8 abuts against the polishing skin, thereby completing the hole-making of multiple polishing skins; the hole-making knife 8 is provided with an ejector assembly;
[0031] To facilitate continuous processing of the hole opener, the ejector assembly includes an ejector post 11. A deep groove 9 is formed at the bottom of the hole opener 8. A telescopic spring 10 is fixedly connected to the bottom of the deep groove 9. The ejector post 11 is fixedly connected to one end of the telescopic spring 10 and located inside the deep groove 9. After the hole is opened, the movable rod 2 moves upward under the force of the tension spring 17, causing the hole opener 8 to disengage from the polishing skin. At the same time, the telescopic spring 10 can drive the ejector post 11 to move and reset inside the deep groove 9, thereby ejecting the cut polishing skin disc from the bottom of the hole opener 8.
[0032] One end of the fixed post 7 is provided with a threaded section. The hole-opening knife 8 is connected to the outer side of one end of the fixed post 7 by the thread, and the hole-opening knife 8 abuts against the bottom of the mounting base 3. By rotating the hole-opening knife 8, the top of the hole-opening knife 8 is disengaged from the bottom of the fixed post 7. The threaded connection allows for quick replacement of the hole-opening knife 8 to meet the needs of different hole diameters of the polishing skin, greatly improving the versatility of the hole opener. Furthermore, the hole-opening knife 8 is installed on the outer side of the fixed post 7 and abuts against the bottom of the mounting base 3, which can fix the position of the fixed post 7 and prevent the hole-opening knife 8 from moving during use, thereby affecting the hole opening of the polishing skin.
[0033] By setting an adjustment component, the simultaneous drilling requirements of polished leather of different sizes can be met. The adjustment component includes an adjustment plate 13, a fixed plate 15, and a threaded rod 16. The front and rear sides of the mounting base 3 are provided with long through slots 12. The adjustment plate 13 passes through the interior of the long through slots 12. Several positioning slots 14 are provided on the adjustment plate 13. Several fixed posts 7 pass through the interior of the positioning slots 14 respectively. The fixed plate 15 is fixedly connected to the top front side of the adjustment plate 13. The threaded rod 16 is threadedly connected to the fixed plate 15. One end of the threaded rod 16 is rotatably connected to the front end of the mounting base 3. A limit plate is fixedly connected to the rear side of the adjustment plate 13. By rotating the threaded rod 16 in the forward direction, the threaded rod 16 drives the adjustment plate 13 to move through the fixed plate 15. At this time, the positioning slots 14 on the adjustment plate 13 drive the slide block 6 on the fixed post 7 to move on the slide rail 5, which can simultaneously adjust the distance between multiple drilling cutters 8.
[0034] Both ends of the mounting base 3 are fixedly connected to the connecting plates 18, and both ends of the inner top of the fixing frame 1 are fixedly connected to the guide posts 19. The guide posts 19 pass through the top of the connecting plates 18. When the movable rod 2 drives the mounting base 3 to move downward, the mounting base 3 drives the connecting plates 18 to move outside the guide posts 19, which can ensure that the mounting base 3 moves smoothly up and down.
[0035] Working principle or structural principle: When it is necessary to make holes in the polished skin, the fixed frame 1 is placed on top of the polished skin, and the movable rod 2 moves downward on the fixed frame 1. The tension spring 17 is in a stretched state, and the movable rod 2 drives the mounting base 3 to move downward. The mounting base 3 drives the hole-making knife 8 to move downward. At this time, the top post 11 abuts against the top of the polished skin. The top post 11 moves inside the deep groove 9 under force. At this time, the telescopic spring 10 is in a compressed state. Then the hole-making knife 8 abuts against the polished skin, thereby completing the hole-making of multiple polished skins, thus improving the efficiency of the polished skin hole-making. After the hole is made, the movable rod 2 moves upward under the force of the tension spring 17, so that the hole-making knife 8 is separated from the polished skin. At the same time, the telescopic spring 10 can drive the top post 11 to move and reset inside the deep groove 9, thereby pushing the cut polished skin disc out of the bottom of the hole-making knife 8, thus facilitating the continuous use of the hole-making tool.
[0036] When it is necessary to drill holes in polished leather of different sizes, the threaded rod 16 is rotated in the forward direction. The threaded rod 16 drives the adjusting plate 13 to move through the fixing plate 15. At this time, the positioning groove 14 on the adjusting plate 13 drives the slide 6 on the fixing post 7 to move on the slide rail 5. The distance between multiple drilling knives 8 can be adjusted simultaneously to meet the drilling requirements of polished leather of different sizes. When it is necessary to adjust the hole diameter, the drilling knife 8 is rotated so that the top of the drilling knife 8 is disengaged from the bottom of the fixing post 7. Through the threaded connection, the drilling knife 8 can be quickly replaced to meet the requirements of different hole diameters of polished leather, which greatly improves the versatility of the drilling tool. In addition, the drilling knife 8 is installed on the outside of the fixing post 7 and abuts against the bottom of the mounting base 3, which can fix the position of the fixing post 7 and prevent the drilling knife 8 from moving during use, thereby affecting the drilling of polished leather.
[0037] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.
Claims
1. A novel buffing skin opener characterized by: include A fixed frame (1) has a movable rod (2) that extends through the top of the fixed frame (1). An opening assembly is installed at one end of a movable rod (2), and an adjustment component is provided on the opening assembly; The opening assembly includes a mounting base (3), a slide rail (5), and several slide blocks (6). The mounting base (3) is fixedly connected to the bottom end of the movable rod (2). The mounting base (3) has a fixing groove (4) inside. The slide rail (5) is fixedly connected to the top of the fixing groove (4). Several slide blocks (6) are slidably connected to the outside of the slide rail (5). The bottom of several slide blocks (6) is fixedly connected to a fixing post (7). One end of the fixing post (7) extends to the outside of the mounting base (3) and is equipped with an opening knife (8). The opening knife (8) is equipped with an ejection assembly.
2. A novel buffing skin opener as claimed in claim 1, wherein: The ejection assembly includes a top post (11), and the bottom of the piercing knife (8) is provided with a deep groove (9). A telescopic spring (10) is fixedly connected to the bottom of the deep groove (9), and the top post (11) is fixedly connected to one end of the telescopic spring (10) and located inside the deep groove (9).
3. A novel leather perforator according to claim 1, characterized in that: One end of the fixed column (7) is provided with a threaded section, and the hole-opening knife (8) is connected to the outside of one end of the fixed column (7) by thread, and the hole-opening knife (8) abuts against the bottom of the mounting base (3).
4. A novel leather perforator according to claim 1, characterized in that: The adjustment assembly includes an adjustment plate (13), a fixing plate (15), and a threaded rod (16). The mounting base (3) has long through slots (12) on both the front and rear sides. The adjustment plate (13) passes through the inside of the long through slots (12). The adjustment plate (13) has several positioning slots (14). Several fixing posts (7) pass through the inside of several positioning slots (14). The fixing plate (15) is fixedly connected to the top front side of the adjustment plate (13). The threaded rod (16) is threadedly connected to the fixing plate (15). One end of the threaded rod (16) is rotatably connected to the front end of the mounting base (3).
5. A novel buffing skin opener as claimed in claim 1, wherein: A tension spring (17) is movably sleeved on the outside of the movable rod (2). One end of the tension spring (17) is fixedly connected to the top of the inner side of the fixing frame (1), and the other end of the tension spring (17) is fixedly connected to the top of the mounting base (3).
6. A novel buffing skin opener as claimed in claim 1, wherein: Both ends of the mounting base (3) are fixedly connected to connecting plates (18), and both ends of the inner top of the fixing frame (1) are fixedly connected to guide posts (19), which penetrate through the top of the connecting plate (18).
7. A novel leather perforator according to claim 4, characterized in that: A limiting plate is fixedly connected to the rear side of the adjusting plate (13).