A positioning structure of a shearing knife
By designing a positioning structure in which the shear knife and the bearing block are connected in the cutting machine, and using the disassembled connection structure of the bearing block and the keyway block, the problem of insufficient stability and rotational mobility of the shear knife and the bearing in the prior art is solved, and higher cutting quality and accuracy are achieved.
Patent Information
- Application Number
- CN202421492522.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the existing cutting machines, the connection structure between the shear knife and the bearing is insufficient in stability and rotational mobility, which is difficult to meet the high requirements of modern mechanical processing for cutting quality and accuracy.
A positioning structure of a shear knife is designed. Through the mechanism where the shear knife is connected to the bearing block, the detached contact structure of the bearing block and the keyway block is used to realize the stable positioning and rotatable movement of the shear knife.
The structure design is simple and reasonable, which improves the stability and rotational mobility of the shear knife connecting with the bearing rod, facilitates the replacement and installation of the shear knife, and meets the high requirements for cutting quality and accuracy of modern mechanical processing.
Smart Images

Figure CN222710969U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of shearing knife positioning, in particular to a shearing knife positioning structure. Background Art
[0002] At present, with the development of modern mechanical processing, the cutting quality and precision requirements of cutting machines are constantly improving.
[0003] However, the cutting machine in the prior art is provided with a shearing knife, and the bearing provided in the cutting machine is connected with the shearing knife, and a snap connection is formed by connecting a keyway and a groove, which helps to improve the stability of the shearing knife or realize a rotating structure. Utility Model Content
[0004] The utility model provides a positioning structure for a shearing knife, which solves the problems raised in the background technology in the prior art.
[0005] The technical solution of the utility model is implemented as follows: it comprises a shearing knife, wherein the shearing knife is connected to a positioning mechanism, wherein the positioning mechanism is a mechanism connecting the shearing knife to a bearing rod, and helps the shearing knife to form a stable structure for realizing rotation.
[0006] A positioning hole is provided on one side of the shearing knife, and the positioning hole is connected to the frame body of the positioning block.
[0007] The positioning block is mainly composed of a first block and a second block, and the shearing knife is arranged between the first block and the second block.
[0008] The positioning mechanism comprises a bearing block and a keyway block, and the bearing block and the keyway block are disassembled and connected structures.
[0009] The bearing block is passed through the holes provided in the shearing knife, the first block and the second block, which helps to realize the connection between the shearing knife and the positioning mechanism to form a bearing connection structure.
[0010] The bearing block is mainly composed of a first shaft and a second shaft. One end of the first shaft is connected to a bearing of a driving device to help the bearing block realize rotational movement.
[0011] The other end of the first shaft is connected to one end of the second shaft, so that the first shaft and the second shaft form an integrated structure.
[0012] One side of the first shaft is connected to the frame of the keyway block, one side of the keyway block is provided with a protruding block, and the block is connected to the groove provided in the first block, which helps the shearing knife to realize a rotatable structure.
[0013] The other end of the second shaft is connected to the frame of the fixed block, which helps the shearing knife to achieve a positioning and installation structure.
[0014] As a preferred embodiment, the second shaft and the fixed block are in an interpenetrating structure, wherein the second shaft is inserted into the fixed block and is in a threaded connection structure.
[0015] As a preferred embodiment, one side of the fixing block and one side of the second block are in contact with each other, which helps to realize the structure of positioning and installing the shearing knife.
[0016] As a preferred embodiment, the first shaft and the keyway block are in an interlaced structure, wherein the first shaft is inserted into a hole provided in the keyway block and is in a threaded connection structure, which helps the keyway block and the first shaft to form an integrated structure.
[0017] As a preferred embodiment, a protruding limiting block is provided on one side of the first block, and a groove is provided on one side of the limiting block.
[0018] As a preferred embodiment, the other end of the first shaft and one end of the second shaft are in an interpenetrating structure, wherein the first shaft is inserted into the interior of the second shaft and is in a threaded connection structure.
[0019] As a preferred embodiment, the first block is provided with a positioning rod, and one side of the second block is provided with a supporting rod, and the supporting rod is passed through a hole provided inside the positioning rod.
[0020] As a preferred embodiment, the positioning rod and the positioning hole provided on the shearing knife are in an interlaced and connected structure.
[0021] As a preferred embodiment, the shearing knife is provided with protruding positioning plates on both sides, and the positioning plates and the shearing knife are an integrated structure.
[0022] After adopting the above technical scheme, the beneficial effects of the utility model are: its structural design is simple and reasonable, and it has the structure of further improving the connection between the shearing knife and the bearing rod, and has a structure that is convenient for replacing the shearing knife; the shearing knife is connected to the positioning mechanism, and the positioning mechanism is a mechanism for connecting the shearing knife to the bearing block, and the positioning mechanism includes a bearing block and a keyway block, which helps the shearing knife to achieve a positioning installation and a rotatable structure; the bearing block is mainly composed of a combination of a first shaft and a second shaft, and the connection between the first shaft and the second shaft helps to facilitate the replacement of the shearing knife. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0024] Figure 1It is a schematic diagram of the overall structure of the shearing knife and positioning mechanism combination of the utility model.
[0025] Figure 2 It is an exploded view of the overall structure of the shearing knife and positioning mechanism combination of the utility model.
[0026] Figure 3 It is an exploded view of the overall structure of the bearing block of the utility model. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] like Figure 1-Figure 3 As shown:
[0029] Embodiment 1:
[0030] The utility model comprises a shearing knife 2, which is connected to a positioning mechanism. The positioning mechanism is a mechanism in which the shearing knife 2 is connected to a bearing rod, which helps the shearing knife 2 to form a stable structure that can realize rotation; the positioning mechanism comprises a bearing block 4 and a keyway block 5, and the first shaft 40 and the keyway block 5 are an interlaced structure, wherein the first shaft 40 is inserted into a hole provided in the keyway block 5 and is a threaded structure, which helps the keyway block 5 and the first shaft 40 to form an integrated structure, and helps the connection between the bearing block 4 and the keyway block 5 to form a disassembly connection structure; the bearing block 4 is mainly composed of a combination of a first shaft 40 and a second shaft 41, and one end of the first shaft 40 is connected to the bearing of the driving device; one side of the first shaft 40 is connected to the frame of the keyway block 5, and one side of the keyway block 5 is provided with a protruding block 50, and the block 50 is connected to the groove provided in the first block 3 The bearing block 4 is passed through the hole portion provided in the shearing knife 2, the first block 3 and the second block 30, which helps the shearing knife 2 to connect with the positioning mechanism to form a bearing connection structure, and helps the shearing knife 2 to realize a rotatable structure; the other end of the first shaft 40 is connected to one end of the second shaft 41, which helps the first shaft 40 and the second shaft 41 to form an integrated structure, and the other end of the second shaft 41 is connected to the frame of the fixed block 410, and one side of the fixed block 410 and one side of the second block 30 are in contact with each other, which helps to realize the positioning and installation structure of the shearing knife 2; through the connection between the first shaft 40 and the second shaft 41, the structure of the shearing knife 2 that is easy to disassemble and install is realized; the beneficial effects of the utility model are: its structural design is simple and reasonable, has a structure that further improves the connection between the shearing knife and the bearing rod, and has a structure that is easy to replace the shearing knife.
[0031] Embodiment 2:
[0032] A positioning hole 20 is provided on one side of the shearing knife 2, and the positioning hole 20 is connected to the frame of the positioning block. The positioning block is mainly composed of a combination of a first block 3 and a second block 30, and the shearing knife 2 is arranged between the first block 3 and the second block 30; the first block 3 is provided with a positioning rod 7, and a support rod 70 is provided on one side of the second block 30. The support rod 70 is penetrated by a hole provided inside the positioning rod, and the support rod 70 and the positioning rod 7 form an integrated structure; the positioning rod 7 and the positioning hole 20 provided on the shearing knife 2 are an interlaced and connected structure, which helps to improve the structure of the rotational activity of the shearing knife 2, and helps to realize the connection between the shearing knife 2 and the bearing block 4, and can form a rotational activity structure.
[0033] Embodiment 3:
[0034] The second shaft 41 and the fixing block 410 are in an interlaced structure, wherein the second shaft 41 is inserted into the fixing block 410 and is in a threaded connection structure.
[0035] Embodiment 4:
[0036] The other end of the first shaft 40 and one end of the second shaft 41 are in an interlaced structure, wherein the first shaft 40 is inserted into the interior of the second shaft 41 and is in a threaded connection structure.
[0037] Embodiment 5:
[0038] A protruding stopper block 6 is provided on one side of the first block 3, and a groove is provided on one side of the stopper block 6 to help realize the connection between the shearing knife 2 and the bearing block 4, so as to form a rotatable structure.
[0039] The sixth embodiment:
[0040] Both sides of the shearing knife 2 are provided with protruding positioning plates 8, wherein the positioning plates 8 and the shearing knife 2 are an integral structure, and the positioning plates 8 are connected to the cavities provided in the first block 3 and the second block 30, which helps to improve the stability of the connection between the shearing knife 2 and the first block 3 and the second block 30.
[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A shearing knife positioning structure, comprising a shearing knife, characterized in that: The shearing knife is connected to the positioning mechanism; A positioning hole is provided on one side of the shearing knife, and the positioning hole is connected to the frame of the positioning block; The positioning mechanism comprises a bearing block and a keyway block, wherein the bearing block and the keyway block are disassembled and connected structures; The bearing block is inserted into the hole provided on the shearing knife and the positioning block; The keyway block is connected to the frame of the positioning block.
2. A shearing knife positioning structure as claimed in claim 1, characterized in that: The bearing block is mainly composed of a first shaft and a second shaft, one end of the first shaft is connected to a bearing of a driving device, and the other end of the first shaft is connected to one end of the second shaft.
3. A shearing knife positioning structure as claimed in claim 2, characterized in that: One side of the first shaft is connected to the frame of the keyway block, and one side of the keyway block is provided with a protruding clamping block.
4. A shearing knife positioning structure as claimed in claim 3, characterized in that: The other end of the second shaft is connected to the frame of the fixed block, and one side of the fixed block and one side of the second block are in contact with each other.
5. A shearing knife positioning structure as claimed in claim 4, characterized in that: The positioning block is mainly composed of a first block and a second block, and the shearing knife is arranged between the first block and the second block.
6. A shearing knife positioning structure as claimed in claim 5, characterized in that: A protruding limiting block is provided on one side of the first block, and a groove is provided on one side of the limiting block, and the groove is connected to the clamping block.
7. A shearing knife positioning structure as claimed in claim 6, characterized in that: The first block is provided with a positioning rod, and one side of the second block is provided with a supporting rod, and the supporting rod is passed through a hole provided inside the positioning rod.
8. A shearing knife positioning structure as claimed in claim 7, characterized in that: The positioning rod and the shearing knife are provided with positioning holes which are in an interlaced and connected structure.
9. A shearing knife positioning structure as claimed in claim 8, characterized in that: Both sides of the shearing knife are provided with protruding positioning plates, and the positioning plate and the shearing knife are an integrated structure.