A knife adjustment device for leather cutting machine
By designing a tool adjustment device for leather cutting machine including a hollow shaft body, an adjustment groove, an internal thread adjustment block, an outer slip ring and an adjustment screw, the problems of limited adjustability of tool adjustment and complex operation in the prior art are solved, and more efficient tool adjustment and machining efficiency are achieved.
Patent Information
- Application Number
- CN202421058807.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The tool adjustment method of existing leather cutting machines has problems such as limited adjustability, time-consuming and labor-intensive operation by masters.
A tool adjustment device for a leather cutting machine is designed, including a hollow shaft body, an adjustment slide, an internal thread adjustment block, an external slip ring and an adjustment screw. The internal thread adjustment block and a cutting ring knife are driven to move through the rotation of the adjustment screw, and the precise adjustment of the tool is achieved.
Compared with the traditional fixing screw fixing method, the newly designed adjustment device is more convenient in adjustable performance, has higher processing efficiency, and is relatively simple to operate, and no longer requires high-experienced operators.
Smart Images
Figure CN222700319U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leather cutting, in particular to a tool adjusting device of a leather cutting machine. Background Art
[0002] like Figure 1 The leather cutting machine has two disc-shaped cutters on the cutting roller for cutting leather. Some of the cutters on the cutting rollers are not adjustable and the specified specifications need to be achieved by adjusting the position of the leather. However, such cutting specifications are limited. Another method is fixed by set screws, and a plurality of reserved screw holes are provided at intervals on the cutting roller for adjusting the position. However, this method is time-consuming and labor-intensive, and a reasonable installation tightness needs to be ensured. It requires a master with certain experience to operate, and the interval screw holes are step-adjustable and can only be adjusted within a few specified distances, and the adjustability is general. Utility Model Content
[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a knife adjustment device for a leather cutting machine is provided, which solves the above problems.
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] A tool adjustment device for a leather cutting machine includes a hollow shaft body used as a mounting carrier for the tool and is rotated under the action of a driving component so that the leather is cut by the tool, and a plurality of adjustment grooves are arranged at annular intervals on the hollow shaft body, an internally threaded adjustment block is slidably arranged inside the hollow shaft body, an externally sliding ring is slidably arranged outside the hollow shaft body, wherein a cutting ring is welded and fixed to the outer ring of the external sliding ring, the externally sliding ring and the internally threaded adjustment block are connected by a connecting block passing through the adjusting groove, shaft necks with bearings inside are fixedly arranged at both ends of the hollow shaft body, an adjusting screw is arranged in the bearing, the adjusting screw rotates under the action of the bearing and is threadedly connected to the internally threaded adjustment block, and when the adjusting screw is rotated, the internally threaded adjustment block can drive the cutting ring to move its position to achieve adjustment.
[0006] Preferably, in order to improve the stability of the adjusting screw, a central bearing seat is embedded and fixed in the middle of the hollow shaft body, both ends of the central bearing seat are hollow and have two bearings inside, and the inner end of the adjusting screw is embedded in the inner ring of the bearing, so that both ends of the adjusting screw can achieve more stable rotation under the action of the bearing.
[0007] Preferably, a hand wheel is fixed on the outer end of the adjusting screw by bolts for convenient and labor-saving rotation of the adjusting screw.
[0008] Preferably, a scale is provided on the outer wall surface of the hollow shaft body by offset printing or laser engraving to mark the distance between the two cutting ring knives, so that workers can make direct comparisons during adjustment, which has a higher degree of visualization and is easy to adjust.
[0009] The advantages and positive effects of the utility model are: when adjustment is needed, stop the machine first, then rotate the hand wheel according to the direction of adjustment required, so that the internal thread adjustment block drives the cutting ring knife to move, and observe the scale outside the hollow shaft body, and stop when the displacement distance is reached. Compared with the fixing method through the set screw, it is more convenient in adjustable performance and has higher processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0011] Figure 1 It is a structural schematic diagram of the prior art;
[0012] Figure 2 It is a structural schematic diagram of the utility model;
[0013] Figure 3 It is a structural schematic diagram of the utility model.
[0014] The markings in the attached drawings are described as follows: 10, hollow shaft body; 12, adjusting slide groove; 13, cutting ring knife; 14, outer sliding ring; 15, internal thread adjusting block; 16, adjusting screw; 17, hand wheel; 18, center bearing seat; 19, shaft neck. DETAILED DESCRIPTION
[0015] Now, the utility model is further described in detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, so they only show the components related to the utility model. The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings:
[0016] like Figure 1-3As shown, the tool adjustment device of a leather cutting machine described in the utility model includes a hollow shaft body 10 used as a mounting carrier for the tool and rotated under the action of a driving component to cut the leather through the tool, and a plurality of adjusting grooves 12 are arranged at annular intervals on the hollow shaft body 10, an internal thread adjustment block 15 is slidably arranged inside the hollow shaft body 10, an external sliding ring 14 is slidably arranged outside the hollow shaft body 10, wherein a cutting ring knife 13 is welded and fixed to the outer ring of the external sliding ring 14, the external sliding ring 14 and the internal thread adjustment block 15 are connected by a connecting block passing through the adjusting groove 12, a shaft neck 19 with a bearing arranged inside is fixedly arranged at both ends of the hollow shaft body 10, an adjusting screw 16 is arranged in the bearing, the adjusting screw 16 rotates under the action of the bearing and is threadedly connected to the internal thread adjustment block 15, when the adjusting screw 16 is rotated, the internal thread adjustment block 15 can drive the cutting ring knife 13 to move its position to achieve adjustment.
[0017] Preferably, in order to improve the stability of the adjusting screw 16, a central bearing seat 18 is embedded and fixed in the middle of the hollow shaft body 10, and both ends of the central bearing seat 18 are hollow and have two bearings inside. The inner end of the adjusting screw 16 is embedded in the inner ring of the bearing, so that both ends of the adjusting screw 16 can achieve more stable rotation under the action of the bearing.
[0018] Preferably, a hand wheel 17 is fixed at the outer end of the adjusting screw 16 by bolts for conveniently and labor-savingly rotating the adjusting screw 16 .
[0019] Preferably, a scale is provided on the outer wall surface of the hollow shaft body 10 by offset printing or laser engraving to mark the distance between the two cutting ring knives 13, so that workers can make direct comparisons during adjustment, which has a higher degree of visualization and is easy to adjust.
[0020] During specific implementation, when adjustment is needed, stop the machine first, then rotate the hand wheel 17 according to the direction to be adjusted, so that the internal thread adjustment block 15 drives the cutting ring knife 13 to move, and observe the scale on the outside of the hollow shaft body 10. When the displacement distance is reached, stop. Compared with the fixing method through the set screw, it is more convenient in adjustable performance and has higher processing efficiency.
[0021] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manner. Any other implementation manner derived by those skilled in the art based on the technical solution of the present invention also falls within the scope of protection of the present invention.
Claims
1. A knife adjustment device for a leather cutting machine, characterized in that: The invention comprises a hollow shaft (10) used as a mounting carrier for a cutting tool and realizing rotation under the action of a driving component so as to cut leather through the cutting tool, and a plurality of adjusting grooves (12) are provided at annular intervals on the hollow shaft (10), an internal thread adjusting block (15) is provided for sliding inside the hollow shaft (10), an external sliding ring (14) is provided for sliding outside the hollow shaft (10), wherein a cutting ring knife (13) is welded and fixed to the outer ring of the external sliding ring (14), and the external sliding ring (14) and the The internal thread adjustment blocks (15) are connected via a connection block passing through the adjustment slot (12); shaft necks (19) with bearings inside are fixedly provided at both ends of the hollow shaft body (10); an adjustment screw (16) is provided inside the bearing; the adjustment screw (16) rotates under the action of the bearing and is threadedly connected to the internal thread adjustment block (15); when the adjustment screw (16) is rotated, the internal thread adjustment block (15) can drive the cutting ring (13) to move its position, thereby achieving adjustment.
2. The tool adjustment device for a leather cutting machine according to claim 1, characterized in that: In order to improve the stability of the adjusting screw (16), a central bearing seat (18) is embedded and fixed in the middle of the hollow shaft (10), the two ends of the central bearing seat (18) are hollow and two bearings are arranged inside, and the inner end of the adjusting screw (16) is embedded in the inner ring of the bearing, so that both ends of the adjusting screw (16) can rotate more stably under the action of the bearing.
3. The tool adjustment device for a leather cutting machine according to claim 2, characterized in that: A hand wheel (17) is fixed to the outer end of the adjusting screw (16) by means of bolts and is used to conveniently and labor-savingly rotate the adjusting screw (16).
4. The tool adjustment device for a leather cutting machine according to claim 3, characterized in that: The outer wall surface of the hollow shaft body (10) is provided with a scale by offset printing or laser engraving to mark the distance between the two cutting ring knives (13), so that workers can make direct comparisons during adjustment, which has a higher degree of visualization and facilitates adjustment.