Machine clamping type hard alloy blade based on precise positioning structure

By using a split design for the positioning rod and the main blade structure, combined with magnetic adsorption and a limiting mechanism, the problem of having to replace the entire positioning rod when it is damaged in the existing technology is solved. This achieves efficient and accurate positioning and stable installation, reduces replacement costs, and extends the service life of the blade.

CN223876097UActive Publication Date: 2026-02-06LIFENG PRECISION TOOLS (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202520437657.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing clamp-on carbide inserts have a positioning rod that is integrated with the insert body. This means that when the positioning rod is damaged, the entire insert needs to be replaced, which wastes materials and increases replacement costs. In addition, inaccurate installation affects machining accuracy and efficiency.

Method used

The positioning rod and the blade body adopt a split design. Through positioning grooves, positioning holes, positioning rods, stops, limiting grooves and magnetic adsorption structures, the blade body can be positioned efficiently and accurately, and damaged positioning rods can be replaced separately.

Benefits of technology

It improves machining accuracy and installation stability, reduces replacement costs, extends blade life, and enhances resource utilization.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223876097U_ABST
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Abstract

The utility model discloses a machine clamping type hard alloy blade based on a precise positioning structure, which relates to the technical field of machine clamping blades, and comprises a machine head and a blade main body, the blade main body is arranged below the machine head, a plurality of positioning grooves are arranged below the machine head, and the positioning grooves are arranged below the machine head. Positioning holes are formed in the positions, corresponding to the multiple positioning grooves, of the surface of the blade body, limiting grooves are formed in the lower sides of the positioning holes, positioning rods are clamped in the positioning holes, stop blocks are fixedly arranged at the lower ends of the positioning rods, and the stop blocks are connected with the limiting grooves in a clamped mode. A first magnet is fixedly arranged at the bottom of the positioning groove, a second magnet is fixedly arranged at the upper end of the positioning rod, and the first magnet and the second magnet are magnetically attracted. The blade positioning device can efficiently and accurately position the blade, and meanwhile, due to the fact that the blade and the positioning column are designed in a split mode, the damaged positioning column can be independently replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine clamp blade technical field, concretely relates to a machine clamp type hard alloy blade based on accurate positioning structure. BACKGROUND

[0002] The hard alloy blade on market needs to position the blade when replacing, and it is convenient for the insertion of the bolt, but the machine head of installing the blade is mostly in the vertical state, if the operator does not use the hand to prop up the blade, the blade will fall due to gravity, which leads to the slow replacement of the blade, and influences the subsequent work progress.

[0003] Among them, the announcement number CN216938465U discloses a machine clamp type hard alloy blade with accurate positioning structure, the inside lower part of the machine head is fixedly connected with a limiting groove, the lower part of the machine head is provided with a positioning hole, the inside lower part of the machine head is fixedly connected with a rubber ring, the inside of the rubber ring is slidably connected with a positioning rod, the lower end surface of the positioning rod is fixedly connected with a blade, the technical scheme still has defects in the technical scheme:

[0004] The positioning rod and the blade body are integrally designed in the technical scheme, so when a positioning column is damaged, accurate positioning cannot be carried out, and since the positioning column cannot be replaced alone, the entire blade has to be replaced, which wastes materials and increases replacement cost. SUMMARY

[0005] In view of the problems existing in the prior art machine clamp type hard alloy blade based on accurate positioning structure, the utility model is proposed.

[0006] Therefore, the utility model aims at providing a machine clamp type hard alloy blade based on accurate positioning structure, which solves the problems proposed in the background art.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A machine clamp type hard alloy blade based on accurate positioning structure, comprising a machine head and a blade body, the blade body is arranged below the machine head, a mounting thread hole is formed in the middle of the lower surface of the blade body, a plurality of positioning grooves are formed below the machine head, a positioning hole is formed in the surface of the blade body and at the positions corresponding to the plurality of positioning grooves, a limiting groove is formed below the positioning hole, a positioning rod is clamped in the positioning hole, a stop block is fixedly arranged at the lower end of the positioning rod, the stop block is clamped with the limiting groove, a first magnet is fixedly arranged at the groove bottom of the positioning groove, a second magnet is fixedly arranged at the upper end of the positioning rod, the first magnet and the second magnet are magnetically adsorbed, and a limiting mechanism for limiting the longitudinal movement of the positioning rod relative to the blade body is arranged in the positioning hole.

[0009] Preferably, the limiting mechanism comprises a limiting block, a ring-shaped groove is arranged on the lower end side wall of the positioning rod, the limiting block is connected to the inner side of the ring-shaped groove, one side of the limiting block is fixedly connected with the inner wall of the positioning hole, a strip-shaped groove is arranged on one side of the positioning rod and away from the limiting block, and the lower end of the strip-shaped groove is communicated with the ring-shaped groove.

[0010] Preferably, a square groove is arranged on the lower surface of the first magnet, and a square block is fixedly arranged on the upper surface of the second magnet.

[0011] Preferably, the positioning rod and the stop block are integrally formed.

[0012] Preferably, the cross sections of the stop block and the limiting groove are circular.

[0013] Preferably, the surface of the positioning rod is subjected to rust-proof treatment.

[0014] In the above technical scheme, the technical effects and advantages of the utility model are as follows:

[0015] 1. According to the utility model, the positioning groove, the positioning hole, the positioning rod, the stop block, the limiting groove and the magnetic attraction cooperation of the first magnet and the second magnet can efficiently and accurately position the blade body, the positioning rod is inserted into the positioning hole when the blade body is installed, the stop block is connected with the limiting groove, and the first magnet and the second magnet are attracted, so that the accurate connection of the blade body and the machine head is ensured, the machining error caused by inaccurate installation is avoided, and the machining precision and product quality are improved.

[0016] 2. According to the utility model, the blade body and the positioning rod are designed in a split type, when a positioning rod is damaged, the damaged positioning rod can be individually replaced, the damaged positioning rod is only taken out of the positioning hole, and then a new positioning rod is used, so that the whole blade body does not need to be replaced, material is greatly saved, replacement cost is reduced, and resource utilization is improved.

[0017] 3. According to the utility model, the limiting mechanism in the positioning hole, the square groove and the square block connecting structure on the first magnet and the second magnet further enhance the stability and reliability of the installation of the blade body, the limiting mechanism limits the longitudinal movement of the positioning rod relative to the blade body, the connection of the square groove and the square block prevents the rotation of the positioning rod, so that the blade body is more stable during use, the possibility of loosening and displacement is reduced, and the service life of the blade is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 A structure diagram of the machine clamp type hard alloy blade based on the precise positioning structure is provided.

[0020] Figure 2 For Figure 1 The perspective view of the positioning rod.

[0021] Figure 3 For Figure 1 The top view structure diagram of the blade body.

[0022] Explanation of reference signs:

[0023] 1, machine head; 2, blade body; 3, first magnet; 4, positioning rod; 5, stop block; 6, clamping block; 7, second magnet; 8, square block; 9, positioning groove; 10, limiting groove; 11, positioning hole. Specific implementation

[0024] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the drawings.

[0025] The embodiment of the present application discloses a machine clamp type hard alloy blade based on a precise positioning structure.

[0026] Refer to Figures 1-3The utility model discloses a machine clamp type hard alloy blade based on accurate positioning structure, including the head 1 and the blade body 2, the blade body 2 is set up below the head 1, the lower surface middle part of blade body 2 is equipped with the installation screw hole, the lower part of head 1 is equipped with a plurality of positioning slot 9, the surface of blade body 2 and the position corresponding with a plurality of positioning slot 9 are all equipped with the positioning hole 11, the downside of positioning hole 11 is equipped with the limit slot 10, the inside of positioning hole 11 is clamped with the locating rod 4, the surface of locating rod 4 is through rustproof treatment, prevents the rust of locating rod 4 as far as possible and influences the disassembly of blade body 2, the lower end of locating rod 4 is fixedly provided with the stopper 5, and the stopper 5 is clamped with the limit slot 10, and locating rod 4 and stopper 5 are integrally formed and are processed to make locating rod 4 and stopper 5 have good connecting strength, and the cross section of stopper 5 and limit slot 10 is circular, facilitating the rotation of locating rod 4, the groove bottom of positioning slot 9 is fixedly provided with the first magnet 3, the upper end of locating rod 4 is fixedly provided with the second magnet 7, the first magnet 3 and the second magnet 7 are magnetically adsorbed, the lower surface of first magnet 3 is equipped with the square groove, the upper surface of second magnet 7 is fixedly provided with the square block 8, and the square groove is clamped with the square block 8, so that locating rod 4 cannot rotate after the installation of blade body 2.

[0027] Refer to Figures 1-3 The inside of positioning hole 11 is provided with the limiting mechanism for limiting the longitudinal movement of locating rod 4 relative to blade body 2, the limiting mechanism includes a clamping block 6, the lower end of locating rod 4 is provided with an annular groove 12, the clamping block 6 is clamped on one side of the inside of the annular groove 12, one side of the clamping block 6 is fixedly connected with the inner wall of the positioning hole 11, and one side of the locating rod 4, which is away from the clamping block 6, is provided with a strip-shaped groove 13, and the lower end of the strip-shaped groove 13 is communicated with the annular groove 12.

[0028] In use, first, the strip-shaped groove 13 of the locating rod is aligned with the clamping block 6, then the locating rod 4 is inserted into the positioning hole 11, so that the clamping block 6 moves to the position of the annular groove 12 relative to the strip-shaped groove 13, then the locating rod 4 is rotated, so that the clamping block 6 enters the inside of the annular groove 12, at this time, the stopper 5 is clamped with the limit slot 10, since the clamping block 6 is clamped in the annular groove 12 at the lower end of the locating rod 4, the locating rod 4 cannot be longitudinally pulled out of the positioning hole 11, then the blade body 2 is aligned with the positioning slot 9 below the head 1, so that the second magnet 7 at the upper end of the locating rod 4 is close to the first magnet 3 at the groove bottom of the positioning slot 9, under the magnetic adsorption, the square block 8 on the second magnet 7 is clamped into the square groove on the lower surface of the first magnet 3, realizing the accurate positioning of the blade body 2 and the head 1, at this time, the blade body 2 and the head 1 can be further fixed by using bolts through the installation screw hole in the middle part of the lower surface of the blade body 2, when a certain locating rod 4 is damaged, only needs to overcome the adsorption force of the first magnet 3 and the second magnet 7 by slightly using force, the locating rod 4 is taken out of the positioning slot 9, and a new locating rod 4 can be replaced.

[0029] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A machine clamped carbide insert based on a precision positioning structure, comprising a machine head (1) and an insert body (2), characterized in that, The blade body (2) is arranged below the head (1), a mounting threaded hole is arranged in the middle of the lower surface of the blade body (2), a plurality of positioning grooves (9) are arranged below the head (1), positioning holes (11) are arranged on the surface of the blade body (2) and correspond to the plurality of positioning grooves (9), a limiting groove (10) is arranged below the positioning hole (11), a positioning rod (4) is clamped in the positioning hole (11), a stop block (5) is fixedly arranged at the lower end of the positioning rod (4), the stop block (5) is clamped with the limiting groove (10), a first magnet (3) is fixedly arranged at the groove bottom of the positioning groove (9), a second magnet (7) is fixedly arranged at the upper end of the positioning rod (4), the first magnet (3) and the second magnet (7) are magnetically adsorbed, and a limiting mechanism for limiting the longitudinal movement of the positioning rod (4) relative to the blade body (2) is arranged in the positioning hole (11).

2. The precision positioning structure based machine clamp type carbide insert according to claim 1, characterized in that, The limiting mechanism comprises a clamping block (6), an annular groove (12) is arranged on the lower end side wall of the positioning rod (4), the clamping block (6) is clamped on one side in the annular groove (12), one side of the clamping block (6) is fixedly connected with the inner wall of the positioning hole (11), a strip-shaped groove (13) is arranged on one side of the positioning rod (4) and located away from the clamping block (6), and the lower end of the strip-shaped groove (13) is communicated with the annular groove (12).

3. The precision positioning structure based machine clamp carbide insert according to claim 1, wherein, A square groove is arranged on the lower surface of the first magnet (3), and a square block (8) is fixedly arranged on the upper surface of the second magnet (7).

4. The precision positioning structure based machine clamp carbide insert according to claim 1, wherein, The positioning rod (4) and the stop block (5) are integrally formed.

5. The precision positioning structure based machine clamp carbide insert according to claim 1, wherein, The cross sections of the stop block (5) and the limiting groove (10) are circular.

6. The precision positioning structure based machine clamp carbide insert according to claim 1, wherein, The surface of the positioning rod (4) is subjected to rust-proof treatment.