Machining clamp for hard alloy bar profile with conical tip

By designing a cemented carbide bar profile machining fixture with a tapered tip, and using a detachable cover plate and bolt clamping assembly, combined with a rubber pad and a uniform support, the problems of complex fixture disassembly and assembly and difficult angle adjustment in the existing technology are solved, thereby improving production efficiency and processing quality.

CN223558185UActive Publication Date: 2025-11-18ZHUZHOU HARD ALLOY GRP CO LTD
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Patent Information

Application Number
CN202423231716.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-18
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing carbide gun drill fixtures are cumbersome to assemble and disassemble, and it is difficult to adjust the grinding angle, resulting in low production efficiency and poor machining quality.

Method used

Design a cemented carbide bar profile machining fixture with a tapered tip, using a detachable cover plate and bolt clamping assembly, combined with a rubber pad and evenly distributed support base, to achieve simple installation, quick adjustment and stable fixation.

Benefits of technology

It improves the clamping efficiency and machining accuracy of cemented carbide bars and profiles, ensures product quality, and enhances the applicability and stability of the fixture.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223558185U_ABST
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Abstract

The utility model discloses a processing clamp for a hard alloy bar section bar with a conical tip, which comprises a clamp body used for loading the hard alloy bar section bar with the conical tip, and a bearing seat used for placing the hard alloy bar section bar is arranged on the clamp body. A cover plate used for being matched with the bearing seat to fix the position of the hard alloy bar profile is arranged on the clamp body in a matched mode, and the cover plate is detachably arranged on the clamp body. According to the machining clamp for the hard alloy bar section bar, the detachable cover plate matched with the clamp body provided with the bearing seat is adopted, so that the clamp is convenient to mount and dismount, the hard alloy bar section bar can be quickly positioned and fixed, and the clamping efficiency and the machining precision of a product are improved.
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Description

Technical Field

[0001] This utility model belongs to the field of cemented carbide technology, and in particular relates to a machining fixture for cemented carbide machining. Background Technology

[0002] Carbide gun drills, also known as deep hole drills, are drill bits specifically designed for machining both deep and shallow holes and are widely used in machining technology. During production, gun drills are typically mounted on a fixture, which in turn is fixed to a fixture holder. The drill tip is then ground with a grinding wheel to obtain a tapered point. Because the process of disassembling and assembling the fixture and adjusting the grinding angle is cumbersome and inconvenient, especially in adjusting the front-to-back position of the gun drill and the grinding wheel, it easily leads to low production efficiency and poor machining quality.

[0003] Therefore, there is an urgent need to develop a set of grinding machine fixtures for carbide gun drilling that are easy to assemble and disassemble and convenient to adjust the grinding angle, in order to improve the production efficiency and processing quality of carbide gun drilling. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the deficiencies and defects mentioned in the background art above, and to provide a machining fixture for cemented carbide rod profiles with a tapered tip that is easy to assemble and disassemble and convenient to adjust the grinding angle.

[0005] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is as follows:

[0006] A machining fixture for a carbide rod profile with a tapered tip includes a fixture body for loading the carbide rod profile, a support seat for placing the carbide rod profile on the fixture body, and a cover plate for cooperating with the support seat to fix the position of the carbide rod profile on the fixture body. The cover plate is detachably disposed on the fixture body.

[0007] In the aforementioned machining fixture for cemented carbide rods with tapered tips, preferably, the fixture body includes a base plate with a groove, and multiple support seats are evenly distributed within the groove. The multiple support seats can accommodate multiple cemented carbide rod products, which helps improve machining efficiency; furthermore, the even distribution of the multiple support seats within the groove helps to disperse forces during machining, ensuring the balance and stability of the fixture during processing.

[0008] Preferably, the supporting seat comprises a first mounting plate for supporting the bottom of the hard alloy rod profile and a second mounting plate for supporting the side of the hard alloy rod profile, and the first mounting plate and the second mounting plate are arranged vertically. The vertical arrangement of the first mounting plate and the second mounting plate can provide better support and positioning for the bottom and side of the hard alloy rod profile, ensure the stability and accuracy of the gun drill during the machining process, and thus improve the machining efficiency and quality.

[0009] Preferably, the cover plate is detachably arranged on the clamp body through a bolt pressing assembly. The bolt pressing assembly is used to detachably fix the cover plate on the clamp body, facilitating the disassembly and maintenance of the cover plate, and can flexibly adjust the distance between the cover plate and the clamp body, so that different models of hard alloy rod profiles can be fixed, and the applicability of the hard alloy rod profile machining clamp is enhanced.

[0010] Preferably, the bolt pressing assembly comprises a pressing bolt and a pressing handle, the pressing handle is arranged on the upper end of the pressing bolt, the cover plate is provided with a first bolt through hole, the pressing bolt is arranged in the first bolt through hole, and the pressing handle is arranged on the cover plate, the clamp body is provided with a second bolt through hole matched with the first bolt through hole, and the lower end of the pressing bolt is adjustably arranged in the second bolt through hole. Through the cooperation of the pressing bolt and the pressing handle, the distance between the cover plate and the clamp body can be quickly adjusted. On the one hand, the hard alloy rod profile can be quickly fixed and released, and the clamping efficiency is improved. On the other hand, the universality and applicability of the machining clamp are enhanced.

[0011] Preferably, the pressing bolt is provided with a spring, and the spring is located between the cover plate and the clamp body. The spring provides a buffer force, which helps to reduce the impact when the pressing handle is tightened. On the other hand, the spring enhances the stability of the clamp, prevents the product from being edge collapsed, corner missing or displaced due to the improper clamping of the hard alloy rod profile or the inconsistent tightening of the pressing handle, and ensures the accuracy and reliability during the machining process, thereby improving the machining efficiency and product quality.

[0012] Preferably, each of the receiving seats is equipped with a pair of bolt pressing assemblies, respectively located at both sides of the receiving seat.

[0013] Preferably, the clamp body, the receiving seat and the hard alloy rod profile contact are provided with rubber pads.

[0014] In the utility model, the hard alloy rod profile with a tapered tip can be a hard alloy gun drill or other hard alloy rod profiles.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The processing clamp for the hard alloy rod profile with a tapered tip of the utility model adopts the detachable cover plate matched with the clamp body provided with the receiving seat, which is convenient for installation and disassembly of the clamp, saves time and effort, can realize quick positioning and fixing of the hard alloy rod profile, and can also conveniently adjust the clamping angle, can change the clamping angle quickly with the grinding machine, adjusts the grinding processing angle, helps to improve the clamping efficiency, processing efficiency and processing precision of the product. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Figure 1 It is the structural schematic diagram of the clamp body in the embodiment.

[0019] Figure 2 It is the structural schematic diagram of the processing clamp for the hard alloy rod profile in the embodiment (uncombined state).

[0020] Figure 3 It is the top view of Figure 2 .

[0021] Figure 4 This is a schematic diagram of the structure of the machining fixture (unassembled state) after placing the cemented carbide rod profile in the embodiment.

[0022] Figure 5 This is a schematic diagram of the machining fixture structure (assembled state) for the cemented carbide bar profile in the embodiment.

[0023] Legend

[0024] 01. Carbide rod profile; 1. Fixture body; 11. Base plate; 111. Second bolt through hole; 12. Groove; 2. Support seat; 21. First mounting plate; 22. Second mounting plate; 3. Cover plate; 31. First bolt through hole; 4. Bolt clamping assembly; 41. Clamping bolt; 42. Clamping handle; 5. Spring. Detailed Implementation

[0025] To facilitate understanding of this utility model, it will be described more comprehensively and in detail below with reference to the accompanying drawings and preferred embodiments. However, the scope of protection of this utility model is not limited to the following specific embodiments.

[0026] It should be noted that when a component is described as being "fixed to, attached to, connected to or connected to" another component, it can be directly fixed to, attached to, connected to or connected to the other component, or it can be indirectly fixed to, attached to, connected to or connected to the other component through other intermediate connectors.

[0027] Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by those skilled in the art. The technical terms used herein are for the purpose of describing particular embodiments only and are not intended to limit the scope of protection of this invention.

[0028] Unless otherwise specified, all raw materials, reagents, instruments and equipment used in this invention can be purchased from the market or prepared by existing methods.

[0029] Example:

[0030] like Figures 1-5 As shown, the machining fixture for the carbide rod profile with a tapered tip in this embodiment includes a fixture body 1 for loading the carbide rod profile 01. The fixture body 1 is provided with a support seat 2 for placing the carbide rod profile 01. The fixture body 1 is also provided with a cover plate 3 for cooperating with the support seat 2 to fix the position of the carbide rod profile 01. The cover plate 3 is detachably provided on the fixture body 1.

[0031] In this embodiment, the clamp body 1 comprises a bottom plate 11, the bottom plate 11 is provided with a groove 12, a plurality of supporting seats 2 are provided, and the plurality of supporting seats 2 are uniformly arranged in the groove 12. Specifically, four supporting seats 2 are shown in this embodiment, and other numbers of supporting seats 2 can also be provided in other embodiments.

[0032] In this embodiment, the supporting seat 2 comprises a first mounting plate 21 for supporting the bottom of the hard alloy bar profile 01 and a second mounting plate 22 for supporting the side of the hard alloy bar profile 01, and the first mounting plate 21 and the second mounting plate 22 are arranged vertically. The arrangement position of the first mounting plate 21 and the second mounting plate 22 can be referred to Figure 1 , and a small distance can be left between the two.

[0033] In this embodiment, the cover plate 3 is detachably arranged on the clamp body 1 through the bolt pressing assembly 4. By adjusting the bolt pressing assembly 4, the installation and disassembly of the hard alloy bar profile 01 machining clamp can be completed, which is simple and convenient to operate.

[0034] In this embodiment, the bolt pressing assembly 4 comprises a pressing bolt 41 and a pressing handle 42, the pressing handle 42 is arranged on the upper end of the pressing bolt 41, the cover plate 3 is provided with a first bolt through hole 31, the pressing bolt 41 is arranged in the first bolt through hole 31, and the pressing handle 42 is arranged on the cover plate 3, the clamp body 1 is provided with a second bolt through hole 111 matched with the first bolt through hole 31, and the lower end of the pressing bolt 41 is adjustably arranged in the second bolt through hole 111.

[0035] In this embodiment, the pressing bolt 41 is provided with a spring 5, and the spring 5 is located between the cover plate 3 and the clamp body 1.

[0036] In this embodiment, each supporting seat 2 is provided with a pair of bolt pressing assemblies 4, which are respectively located on both sides of the supporting seat 2. Specifically, the pair of bolt pressing assemblies 4 can be respectively located below the first mounting plate 21 and the second mounting plate 22, and the distance from the first mounting plate 21 and the second mounting plate 22 is equal.

[0037] In this embodiment, rubber pads are arranged at the contact positions of the clamp body 1, the supporting seat 2 and the hard alloy bar profile 01. Rubber pads are arranged at the contact positions of the cover plate 3 and the hard alloy bar profile 01.

[0038] In the embodiment, when the clamp is fixed, first insert the pressing bolt 41 into the second bolt through hole 111, and tighten the pressing handle 42 to the appropriate position, so that the fixing work of the hard alloy bar profile 01 machining clamp can be completed; when the clamp is disassembled, the pressing handle 42 is screwed, and the pressing bolt 41 is away from the second bolt through hole 111, so that the disassembly work of the clamp can be completed. Of course, in the embodiment, the pressing bolt 41 can be located in the second bolt through hole 111 at all times, and the position of the pressing bolt 41 in the second bolt through hole 111 is adjusted to fix or loosen the hard alloy bar profile 01 by the machining clamp. In this way, the whole machining clamp is always an integral whole, which is convenient for storage.

[0039] In the embodiment, when the hard alloy bar profile 01 is fixed, only need to place a plurality of hard alloy bar profiles 01 on the assembled machining clamp bearing seat 2 (as shown in Figure 4 , the installation angle can be adjusted, such as from Figure 4 to the right to the left), and the pressing handle 42 on both sides of the bearing seat 2 is tightened in turn until the cover plate 3 is tightly attached to the surface of the hard alloy bar profile 01, that is, the fixing work of the plurality of hard alloy bar profiles 01 can be completed, and the taper point can be processed by using the grinding machine. When the processing angle of the hard alloy bar profile 01 needs to be adjusted, the pressing handle 42 is screwed, the cover plate 3 gradually moves away from the surface of the hard alloy bar profile 01, the clamped hard alloy bar profile 01 is loosened, the hard alloy bar profile 01 is rotated to adjust the angle, and then the pressing handle 42 is tightened until the cover plate 3 is tightly attached to the surface of the hard alloy bar profile 01 to be fixed again, and then the processing can be carried out. After the hard alloy bar profile 01 is processed, the pressing handle 42 is screwed, and the cover plate 3 gradually moves away from the surface of the hard alloy bar profile 01, so that the disassembly work of the hard alloy bar profile 01 can be completed.

[0040] In the embodiment, the hard alloy bar profile 01 with a taper point can be a hard alloy gun drill, and in other embodiments, it can also be other types of bar profiles.

[0041] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A machining jig for a hard metal bar profile with a tapered tip, characterized in that, The utility model provides a clamping device for hard alloy bar section bar (01), the clamping device comprises a clamping body (1), the clamping body (1) is provided with a bearing seat (2) for placing hard alloy bar section bar (01), and the clamping body (1) is provided with a cover plate (3) matched with the bearing seat (2) for fixing the position of hard alloy bar section bar (01), and the cover plate (3) is detachably arranged on the clamping body (1).

2. A machining jig for a hard metal rod profile with a tapered tip according to claim 1, characterized in that The clamping body (1) comprises a bottom plate (11), the bottom plate (11) is provided with a groove (12), and the bearing seat (2) is provided with a plurality of bearing seats (2) arranged uniformly in the groove (12).

3. A machining jig for a hard metal rod profile with a tapered tip according to claim 1, characterized in that The bearing seat (2) comprises a first mounting plate (21) for bearing the bottom of the hard alloy bar section bar (01) and a second mounting plate (22) for bearing the side of the hard alloy bar section bar (01), and the first mounting plate (21) and the second mounting plate (22) are arranged vertically.

4. The machining jig for a carbide rod of a taper tip according to Claim 1, wherein The cover plate (3) is detachably arranged on the clamping body (1) through a bolt compression assembly (4).

5. A machining jig for a carbide rod profile with a tapered tip according to claim 4, characterized in that The bolt compression assembly (4) comprises a compression bolt (41) and a compression handle (42), the compression handle (42) is arranged on the upper end of the compression bolt (41), the cover plate (3) is provided with a first bolt through hole (31), the compression bolt (41) is arranged in the first bolt through hole (31), and the compression handle (42) is arranged on the cover plate, the clamping body (1) is provided with a second bolt through hole (111) matched with the first bolt through hole (31), and the lower end of the compression bolt (41) is adjustably arranged in the second bolt through hole (111).

6. A machining jig for a carbide rod profile with a tapered tip according to claim 5, characterized in that The compression bolt (41) is provided with a spring (5), and the spring (5) is located between the cover plate (3) and the clamping body (1).

7. The machining jig for a carbide rod of a taper tip according to claim 4, wherein Each bearing seat (2) is provided with a pair of bolt compression assemblies (4) on both sides of the bearing seat (2).

8. The machining jig for a carbide rod of a taper tip according to Claim 1, wherein The clamping body (1), the bearing seat (2) and the hard alloy bar section bar (01) are provided with rubber pads at the contact positions.

9. The machining jig for a carbide rod of a taper point according to claim 1, wherein The cover plate (3) and the hard alloy bar section bar (01) are provided with rubber pads at the contact positions.