Hot inlaying clamp for threaded drill bit

Abstract

The utility model relates to the technical field of threaded drill bit machining, in particular to a threaded drill bit hot inlaying clamp which is characterized in that when the threaded drill bit hot inlaying clamp is used, a clamping assembly is installed at the bottom end of a first shell under the cooperation of a first external thread part, and after the clamping assembly clamps hard alloy teeth, the hard alloy teeth are inserted into tooth holes of a threaded drill bit base; the hard alloy teeth are ejected into the tooth holes through the push rod assembly, so that the mounting efficiency is improved; comprising a first shell, a cavity and a first external thread part, the cavity is formed in the first shell, the first external thread part is arranged on the outer side wall of the bottom of the first shell, the push rod assembly is arranged in the first shell, the clamping assembly is arranged at the bottom end of the first shell, and a first through hole is formed in the bottom end of the first shell.

Description

Technical Field

[0001] The utility model relates to the technical field of thread drill bit processing, in particular to a thread drill bit hot-setting fixture. Background Art

[0002] A threaded drill bit, also known as a threaded drill rod, is a metal drill bit that is mainly used for drilling holes, expanding holes, and straight-through holes. It is especially suitable for applications where the drilling depth is shallow. During the processing of the threaded drill bit, hot-setting is required, that is, the threaded drill bit seat is heated to expand the threaded drill bit seat itself, thereby expanding the tooth holes on the threaded drill bit seat as well. The drill teeth are then inserted into the tooth holes through a fixture, and the threaded drill bit seat then contracts after cooling, thereby completing the hot-setting installation of the drill teeth and the threaded drill bit seat.

[0003] In the prior art, the announcement number is CN220007585U, which includes a jacket, a push rod is slidably connected to the inside of the jacket, a magnet ring is arranged on the inner side of the front end of the jacket, an alloy pressure cap is threadedly connected to the outer side of the front end of the jacket, a plug is threadedly connected to the rear end of the jacket, and a compression spring is arranged between the gap between the front end of the jacket and the front end of the push rod.

[0004] During use, it was found that the carbide teeth were magnetically attracted by the magnet ring and then clamped, but when the carbide teeth could not be magnetically attracted by the magnet ring, the above device could not complete the installation of the carbide teeth, and its use had certain limitations. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a threaded drill hot-setting fixture which reduces usage limitations.

[0006] The utility model discloses a threaded drill hot-insertion fixture, comprising a No. 1 shell, a chamber and a No. 1 external threaded portion, wherein the No. 1 shell is provided with a chamber, and the No. 1 external threaded portion is provided on the outer side wall of the bottom of the No. 1 shell, and further comprising a push rod assembly and a clamping assembly, wherein the No. 1 shell is provided with a push rod assembly, the bottom end of the No. 1 shell is provided with a clamping assembly, and the bottom end of the No. 1 shell is provided with a No. 1 through hole; when in use, the clamping assembly is installed at the bottom end of the No. 1 shell with the cooperation of the No. 1 external threaded portion, so that after the clamping assembly clamps the carbide tooth, the carbide tooth is inserted into the tooth hole of the threaded drill seat, and then the carbide tooth is pushed into the tooth hole by the push rod assembly, thereby improving the installation efficiency.

[0007] Preferably, the push rod assembly includes a push rod body, a positioning block, a No. 1 spring and a limit plate. A positioning block is slidably arranged inside the No. 1 shell, the push rod body passes through the positioning block and is fixedly connected to the positioning block, the top end of the push rod body extends to above the No. 1 shell, the bottom end of the push rod body passes through the No. 1 through hole and is flush with the bottom end of the No. 1 shell, the push rod body is slidably connected to the No. 1 shell, a limit plate is installed on the push rod body, and a No. 1 spring is mounted on the outer side wall of the push rod body, and the No. 1 spring is below the positioning block; when pushing, the push rod body is pressed downward, so that the push rod body presses the carbide teeth in the clamping assembly into the tooth hole, and then the push rod body is released, and the positioning block drives the push rod body to rise under the action of the elastic force of the No. 1 spring, and at the same time the limit plate limits the rising height of the push rod body.

[0008] Preferably, the clamping assembly includes a clamping seat, an internal thread groove, a No. 2 through hole, a positioning groove, a magnet ring and a top fixing assembly. The top of the clamping seat is provided with an internal thread groove, the bottom of the clamping seat is provided with a positioning groove, the bottom of the internal thread groove is provided with a No. 2 through hole, the top of the positioning groove is provided with a magnet ring, and two groups of top fixing assemblies are symmetrically arranged on the clamping seat; when in use, the internal thread groove is threadedly connected with the No. 1 external thread portion, the carbide tooth is inserted into the positioning groove, is magnetically attracted by the magnet ring, and is then fixed for the second time by two groups of top fixing assemblies, and then the carbide tooth is inserted into the tooth hole. When the carbide tooth cannot be magnetically attracted by the magnet ring, the two groups of top fixing assemblies can also fix the carbide tooth to reduce the limitations of use.

[0009] Preferably, the top fixing component includes a threaded hole, a No. 2 shell, a No. 2 external threaded portion, a No. 2 spring, a lifting plate, a push rod and a light bar. The clamping seat is provided with a threaded hole, the threaded hole is communicated with the positioning groove, the outer side wall of the No. 2 shell is provided with a No. 2 external threaded portion, the No. 2 external threaded portion is adapted to the threaded hole, a light bar is provided inside the No. 2 shell, the lifting plate is slidably connected with the light bar, a push rod is provided at one end of the lifting plate close to the positioning groove, and a No. 2 spring is provided at one end of the lifting plate away from the positioning groove; when the carbide teeth enter the positioning groove, the carbide teeth squeeze the two groups of push rods, so that the two groups of push rods move away from each other in a mirror image, and the two groups of No. 2 springs are compressed, so that the two groups of push rods can position the carbide teeth in the positioning groove with the cooperation of the elastic force of the No. 2 spring, so that the carbide teeth can be clamped and installed even when they cannot be magnetically attracted by the magnet ring.

[0010] Preferably, it also includes a cross groove, and each group of the second shell is respectively provided with a group of cross grooves; the staff rotates the push rod body with the cooperation of the cross grooves through a tool, so that the positioning block on the push rod body is threadedly assembled with the threaded hole.

[0011] Preferably, it also includes a push plate, and the top end of the push rod body is provided with a push plate; the staff presses the push rod body downward through the push plate to improve the convenience of pressing.

[0012] Preferably, the outer side wall of the positioning block is provided with a smooth coating; when the positioning block slides up and down in the chamber, the positioning block reduces the frictional resistance with the chamber with the cooperation of the smooth coating.

[0013] Compared with the prior art, the utility model has the following beneficial effects: when in use, the clamping assembly is installed at the bottom end of the No. 1 shell with the cooperation of the No. 1 external threaded part, so that after the clamping assembly clamps the carbide tooth, the carbide tooth is inserted into the tooth hole of the threaded drill bit seat, and then the carbide tooth is pushed into the tooth hole through the push rod assembly, thereby improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the structure including the No. 1 housing and the No. 1 spring;

[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the clamping seat and the magnet ring;

[0018] Figure 5 It is a first cross-sectional enlarged structural schematic diagram of the structure of the No. 2 shell and the ejector rod;

[0019] Figure 6 It is a second cross-sectional enlarged structural schematic diagram of the No. 2 shell and the ejector rod and other structures.

[0020] Markings in the accompanying drawings: 1. Shell No. 1; 2. Chamber; 3. External threaded portion No. 1; 4. Push rod body; 5. Positioning block; 6. Spring No. 1; 7. Limiting plate; 9. Clamping seat; 10. Internal thread groove; 11. Through hole No. 2; 12. Positioning groove; 13. Threaded hole; 14. Shell No. 2; 15. External threaded portion No. 2; 17. Spring No. 2; 18. Lifting plate; 19. Push rod; 20. Light bar; 21. Cross groove; 22. Push plate; 23. Magnet ring. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] like Figure 1 , Figure 2 and Figure 3As shown, a threaded drill hot-setting fixture of the utility model comprises a No. 1 shell 1, a chamber 2 and a No. 1 external threaded portion 3, wherein the No. 1 shell 1 is provided with the chamber 2, and the No. 1 external threaded portion 3 is provided on the outer side wall of the bottom of the No. 1 shell 1, and further comprises a push rod assembly and a clamping assembly, wherein the No. 1 shell 1 is provided with the push rod assembly, the bottom end of the No. 1 shell 1 is provided with the clamping assembly, and the bottom end of the No. 1 shell 1 is provided with a No. 1 through hole;

[0024] like Figures 1 to 3 As shown, the push rod assembly includes a push rod body 4, a positioning block 5, a No. 1 spring 6 and a limit plate 7. The positioning block 5 is slidably arranged inside the No. 1 shell 1. The push rod body 4 passes through the positioning block 5 and is fixedly connected to the positioning block 5. The top end of the push rod body 4 extends to the top of the No. 1 shell 1. The bottom end of the push rod body 4 passes through the No. 1 through hole and is flush with the bottom end of the No. 1 shell 1. The push rod body 4 is slidably connected to the No. 1 shell 1. The limit plate 7 is installed on the push rod body 4. The outer side wall of the push rod body 4 is covered with a No. 1 spring 6. The No. 1 spring 6 is below the positioning block 5.

[0025] like Figure 3 and Figure 4 As shown, the clamping assembly includes a clamping seat 9, an internal thread groove 10, a second through hole 11, a positioning groove 12, a magnet ring 23 and a top fixing assembly. The clamping seat 9 is provided with an internal thread groove 10 at the top, a positioning groove 12 at the bottom, a second through hole 11 at the bottom of the internal thread groove 10, a magnet ring 23 at the top of the positioning groove 12, and two groups of top fixing assemblies are symmetrically arranged on the clamping seat 9.

[0026] In this embodiment, the internal thread groove 10 is threadedly connected with the No. 1 external thread portion 3, and the carbide tooth is inserted into the positioning groove 12 and magnetically attracted by the magnet ring 23, and then is fixed for the second time by two sets of top fixing components. Then, the carbide tooth is inserted into the tooth hole, and the push rod body 4 is pressed downward, so that the push rod body 4 presses the carbide tooth in the clamping assembly into the tooth hole. Then, the push rod body 4 is released, and the positioning block 5 drives the push rod body 4 to rise under the action of the elastic force of the No. 1 spring 6. At the same time, the limit plate 7 limits the rising height of the push rod body 4. When the carbide tooth cannot be magnetically attracted by the magnet ring 23, the two sets of top fixing components can also fix the carbide tooth.

[0027] Example 2

[0028] like Figure 1 , Figure 2 and Figure 3As shown, a threaded drill hot-setting fixture of the utility model comprises a No. 1 shell 1, a chamber 2 and a No. 1 external threaded portion 3, wherein the No. 1 shell 1 is provided with the chamber 2, and the No. 1 external threaded portion 3 is provided on the outer side wall of the bottom of the No. 1 shell 1, and further comprises a push rod assembly and a clamping assembly, wherein the No. 1 shell 1 is provided with the push rod assembly, the bottom end of the No. 1 shell 1 is provided with the clamping assembly, and the bottom end of the No. 1 shell 1 is provided with a No. 1 through hole;

[0029] like Figures 1 to 3 As shown, the push rod assembly includes a push rod body 4, a positioning block 5, a No. 1 spring 6 and a limit plate 7. The positioning block 5 is slidably arranged inside the No. 1 shell 1. The push rod body 4 passes through the positioning block 5 and is fixedly connected to the positioning block 5. The top end of the push rod body 4 extends to the top of the No. 1 shell 1. The bottom end of the push rod body 4 passes through the No. 1 through hole and is flush with the bottom end of the No. 1 shell 1. The push rod body 4 is slidably connected to the No. 1 shell 1. The limit plate 7 is installed on the push rod body 4. The outer side wall of the push rod body 4 is covered with a No. 1 spring 6. The No. 1 spring 6 is below the positioning block 5.

[0030] like Figure 3 and Figure 4 As shown, the clamping assembly includes a clamping seat 9, an internal thread groove 10, a second through hole 11, a positioning groove 12, a magnet ring 23 and a top fixing assembly. The top of the clamping seat 9 is provided with an internal thread groove 10, the bottom of the clamping seat 9 is provided with a positioning groove 12, the bottom of the internal thread groove 10 is provided with a second through hole 11, the top of the positioning groove 12 is provided with a magnet ring 23, and two sets of top fixing assemblies are symmetrically arranged on the clamping seat 9;

[0031] like Figure 5 and Figure 6 As shown, the top fixing assembly includes a threaded hole 13, a No. 2 shell 14, a No. 2 external threaded portion 15, a No. 2 spring 17, a lifting plate 18, a push rod 19 and a light bar 20. The clamping seat 9 is provided with a threaded hole 13, the threaded hole 13 is communicated with the positioning groove 12, the outer side wall of the No. 2 shell 14 is provided with a No. 2 external threaded portion 15, the No. 2 external threaded portion 15 is adapted to the threaded hole 13, the interior of the No. 2 shell 14 is provided with a light bar 20, the lifting plate 18 is slidably connected with the light bar 20, the end of the lifting plate 18 close to the positioning groove 12 is provided with a push rod 19, and the end of the lifting plate 18 away from the positioning groove 12 is provided with a No. 2 spring 17;

[0032] It also includes a cross groove 21 and a push plate 22. Each group of the second housing 14 is respectively provided with a group of cross grooves 21, and a push plate 22 is provided at the top end of the push rod body 4.

[0033] In this embodiment, the internal thread groove 10 is threadedly connected with the No. 1 external thread part 3, and the carbide tooth is inserted into the positioning groove 12 and magnetically attracted by the magnet ring 23. When the carbide tooth enters the positioning groove 12, the carbide tooth squeezes the two groups of push rods 19, so that the two groups of push rods 19 move away from each other in a mirror image. The two groups of No. 2 springs 17 are compressed, so that the two groups of push rods 19 position the carbide teeth in the positioning groove 12 with the cooperation of the elastic force of the No. 2 springs 17. Then, the carbide tooth is inserted into the tooth hole, and the push rod body 4 is pressed downward, so that the push rod body 4 presses the carbide tooth in the clamping assembly into the tooth hole. Then, the push rod body 4 is released, and the positioning block 5 drives the push rod body 4 to rise under the action of the elastic force of the No. 1 spring 6. At the same time, the limit plate 7 limits the rising height of the push rod body 4. When the carbide tooth cannot be magnetically attracted by the magnet ring 23, the two groups of top fixing assemblies can also fix the carbide tooth.

[0034] The utility model provides a threaded drill hot-setting fixture, wherein the No. 1 through hole coincides with the No. 2 through hole and has the same diameter, and the No. 1 spring 6 is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A threaded drill hot-setting fixture, comprising a first shell (1), a chamber (2) and a first external threaded portion (3), wherein the first shell (1) is provided with the chamber (2), and the bottom outer wall of the first shell (1) is provided with the first external threaded portion (3), characterized in that: It also comprises a push rod assembly and a clamping assembly, wherein the push rod assembly is arranged inside the No. 1 shell (1), the clamping assembly is arranged at the bottom end of the No. 1 shell (1), and a No. 1 through hole is arranged at the bottom end of the No. 1 shell (1).

2. A threaded drill hot-setting fixture as claimed in claim 1, characterized in that: The push rod assembly comprises a push rod body (4), a positioning block (5), a No. 1 spring (6) and a limit plate (7); a positioning block (5) is slidably arranged inside the No. 1 shell (1); the push rod body (4) passes through the positioning block (5) and is fixedly connected to the positioning block (5); the top end of the push rod body (4) extends to the top of the No. 1 shell (1); the bottom end of the push rod body (4) passes through the No. 1 through hole and is flush with the bottom end of the No. 1 shell (1); the push rod body (4) is slidably connected to the No. 1 shell (1); a limit plate (7) is installed on the push rod body (4); the outer wall of the push rod body (4) is fitted with the No. 1 spring (6); and the No. 1 spring (6) is below the positioning block (5).

3. A threaded drill hot-setting fixture as claimed in claim 1, characterized in that: The clamping assembly comprises a clamping seat (9), an internal thread groove (10), a second through hole (11), a positioning groove (12), a magnet ring (23) and a top fixing assembly. The top of the clamping seat (9) is provided with an internal thread groove (10), the bottom of the clamping seat (9) is provided with a positioning groove (12), the bottom of the internal thread groove (10) is provided with a second through hole (11), the top of the positioning groove (12) is provided with a magnet ring (23), and two groups of top fixing assemblies are symmetrically arranged on the clamping seat (9).

4. A threaded drill hot-setting fixture as claimed in claim 3, characterized in that: The top fixing component comprises a threaded hole (13), a No. 2 shell (14), a No. 2 external threaded portion (15), a No. 2 spring (17), a lifting plate (18), a push rod (19) and a light bar (20). The clamping seat (9) is provided with a threaded hole (13), the threaded hole (13) is communicated with the positioning groove (12), the outer wall of the No. 2 shell (14) is provided with a No. 2 external threaded portion (15), the No. 2 external threaded portion (15) is adapted to the threaded hole (13), the interior of the No. 2 shell (14) is provided with a light bar (20), the lifting plate (18) is slidably connected to the light bar (20), the lifting plate (18) is provided with a push rod (19) at one end close to the positioning groove (12), and the lifting plate (18) is provided with a No. 2 spring (17) at one end away from the positioning groove (12).

5. A threaded drill hot-setting fixture as claimed in claim 4, characterized in that: It also includes a cross groove (21), and each group of second shells (14) is respectively provided with a group of cross grooves (21).

6. A threaded drill hot-setting fixture as claimed in claim 2, characterized in that: It also comprises a push plate (22), and the top end of the push rod body (4) is provided with the push plate (22).

7. A threaded drill hot-setting fixture as claimed in claim 2, characterized in that: The outer side wall of the positioning block (5) is provided with a smooth coating.

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