Bracket for machining high-speed steel drill bit

By using bidirectional screws and worm mechanisms to adjust the position of the clamps in the bracket for processing high-speed steel drill bits, and fixing the clamps through the worm self-locking mechanism, the problem of unstable clamping in the existing brackets is solved, and the stable clamping and fixing of the workpiece is achieved, and the stability and accuracy of processing are improved.

CN222589734UActive Publication Date: 2025-03-11TIANJIN DEXINCHANG TECH CO LTD
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Patent Information

Application Number
CN202420943756.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-03-11
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The existing drill bit processing bracket cannot fix the position of the clamp after clamping the workpiece, resulting in unstable clamping and easy to fall off the workpiece.

Method used

A bracket for high-speed steel drill bit processing is designed, using a bidirectional screw and a worm mechanism to adjust the position of the clamp, and the clamp position is fixed through a worm self-locking mechanism. At the same time, a lifting mechanism is set at the bottom of the bracket, and the bracket height is adjusted through a unidirectional screw.

Benefits of technology

The workpiece is stable clamped and fixed, avoiding the risk of workpiece falling off during processing, and improving the stability and accuracy of processing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222589734U_ABST
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Abstract

The utility model relates to the technical field of drill bit brackets, and discloses a bracket for machining a high-speed steel drill bit, which comprises a connecting shell, a clamping mechanism is arranged in the connecting shell, a lifting mechanism is arranged at the bottom of the connecting shell, the clamping mechanism comprises an adjusting mechanism and a clamping component, the adjusting mechanism is arranged in the connecting shell, and the clamping component is arranged in the connecting shell. The clamping assembly is arranged on the top of the adjusting mechanism. The bidirectional screw rotates to drive the moving block, the moving block drives the clamping block, the position of the clamping block can be adjusted according to the size of a workpiece, the first handle drives the rotating shaft, the rotating shaft drives the worm, the worm drives the worm gear, the worm gear drives the gear, the gear drives the toothed plate, the toothed plate drives the connecting plate, then the connecting plate drives the groove block, and the groove block can clamp the workpiece through the clamping block. The worm gear is driven by the worm, self-locking can be carried out, the clamping block can be fixed after moving to the designated position, the workpiece cannot be loosened, the workpiece is stably fixed, and machining cannot be affected.
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Description

Technical Field

[0001] The utility model relates to the technical field of drill bit brackets, in particular to a bracket used for processing high-speed steel drill bits. Background Art

[0002] High-speed steel drill is a tool used for metal cutting, mainly used for drilling, tapping, boring and other processing. High-speed steel drills are characterized by high hardness, high wear resistance and high heat resistance, so they can maintain a long life during the processing. During the processing of high-speed steel drills, in order to ensure the processing accuracy, they need to be fixed, so a bracket is needed to position them.

[0003] According to the description of a drill bit processing bracket disclosed on the patent website (authorization announcement number: CN 214721961 U), "The utility model discloses a drill bit processing bracket, including a round seat, a leg, a rotating shaft, a driving assembly and a clamping assembly. The round seat is a hollow cavity structure with an opening on the top wall, the leg is arranged on the bottom wall of the round seat, the rotating shaft is rotatably arranged on the inner bottom wall of the round seat, the driving assembly is arranged on the round seat, and the clamping assembly is arranged on the round seat and the rotating shaft. The utility model belongs to the field of drill bit processing technology, specifically refers to a drill bit processing bracket that is convenient for clamping a drill bit."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, since the device drives the driven bevel gear through the active bevel gear, and then guides the slider through the slide groove of the turntable, the slider drives the clamping plate to clamp the workpiece. However, the device is driven by the bevel gear. After the clamping plate clamps the workpiece, the position of the clamping plate cannot be fixed, which will cause the clamping of the workpiece to be unstable, so it will cause the workpiece to fall off during processing. Therefore, it is necessary to improve a bracket for high-speed steel drill bit processing to solve the above problem. Utility Model Content

[0006] The utility model aims to provide a bracket for high-speed steel drill bit processing to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a bracket for high-speed steel drill bit processing, comprising a connecting shell, a clamping mechanism is arranged inside the connecting shell, and a lifting mechanism is arranged at the bottom of the connecting shell.

[0008] The clamping mechanism comprises an adjusting mechanism and a clamping assembly. The adjusting mechanism is arranged inside the connecting shell, and the clamping assembly is arranged on the top of the adjusting mechanism.

[0009] Preferably, the adjustment mechanism includes a limit shaft, which is fixedly connected to the inside of the connecting shell, the inside of the connecting shell is rotatably connected to a rotating shaft, the front side of the rotating shaft is fixedly connected to a first handle, the outside of the rotating shaft is fixedly connected to a worm, the outside of the worm is meshed with a worm wheel, the worm wheel is rotatably connected to the inside of the connecting shell, the top of the worm wheel is fixedly connected to a gear, the outside of the gear is meshed with a tooth plate, the inner side of the tooth plate is fixedly connected to a connecting plate, and the connecting plate is slidably connected to the outside of the limit shaft for adjusting the position of the slot block.

[0010] Preferably, the connecting shell is provided with a sliding groove at a corresponding position of the connecting plate, and the connecting plate slides inside the sliding groove, the connecting shell is provided with a through hole at a corresponding position of the rotating shaft, and the rotating shaft rotates inside the through hole, and a through hole is provided inside the connecting shell to facilitate clamping of longer workpieces.

[0011] Preferably, the clamping assembly includes a slot block, which is fixedly connected to the top of the connecting plate, the slot block is internally rotatably connected to a limit block, the outer side of the limit block is fixedly connected to a second handle, the inner side of the limit block is fixedly connected to a bidirectional screw, the external thread of the bidirectional screw is connected to a moving block, and the inner side of the moving block is fixedly connected to a clamping block for clamping the workpiece.

[0012] Preferably, four moving blocks are provided, and the slot block is provided with sliding grooves at corresponding positions of the two moving blocks, and the two moving blocks are symmetrically slidably connected inside the sliding grooves, and the slot block is provided with through holes at corresponding positions of the limit blocks, and the limit blocks rotate inside the through holes to adjust the position of the clamping block.

[0013] Preferably, the lifting mechanism includes a limiting telescopic rod, which is fixedly connected to the bottom of the connecting shell, and one end of the limiting telescopic rod away from the connecting shell is fixedly connected to a base plate, and the top of the base plate is rotatably connected to a threaded barrel, and the outside of the threaded barrel is fixedly connected to a third handle, and the internal thread of the threaded barrel is connected to a one-way screw, and the one-way screw is fixedly connected to the bottom of the connecting shell for adjusting the height of the connecting shell.

[0014] Preferably, four position-limiting telescopic rods are provided, and the four position-limiting telescopic rods are symmetrically fixedly connected between the connecting shell and the bottom plate, and are used for limiting the position of the connecting shell.

[0015] Compared with the prior art, the utility model provides a bracket for high-speed steel drill bit processing, which has the following beneficial effects:

[0016] The bracket for high-speed steel drill bit processing, during use, drives the moving block to rotate through the arranged bidirectional screw, and the moving block drives the clamping block, and the position of the clamping block can be adjusted according to the size of the workpiece, the first handle drives the rotating shaft, the rotating shaft drives the worm, the worm drives the worm wheel, the worm wheel drives the gear, the gear drives the toothed plate, the toothed plate drives the connecting plate, and then the connecting plate drives the slot block, and the slot block can clamp the workpiece through the clamping block, and the worm wheel is driven by the worm to perform self-locking, so the clamping block can be fixed in position after being moved to the specified position, so the workpiece will not be loosened, the workpiece is stably fixed, and the processing will not be affected.

[0017] During use, the bracket for high-speed steel drill bit processing drives the threaded barrel to rotate on the top of the base plate through the third handle, the threaded barrel rotates to screw out or screw in the one-way screw, the one-way screw pushes the connecting shell, and the connecting shell drives the limiting telescopic rod to extend or contract, so that the height of the connecting shell can be adjusted according to needs, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0021] Figure 3 This is a schematic diagram of the local structure of the adjustment component of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0023] Figure 5 This is a schematic diagram of the lifting mechanism structure of the utility model.

[0024] In the figure: 1. connecting shell; 2. clamping mechanism; 21. adjusting mechanism; 211. limiting shaft; 212. rotating shaft; 213. first handle; 214. worm; 215. worm wheel; 216. gear; 217. tooth plate; 218. connecting plate; 22. clamping assembly; 221. slot block; 222. limiting block; 223. second handle; 224. bidirectional screw; 225. moving block; 226. clamping block; 3. lifting mechanism; 31. limiting telescopic rod; 32. bottom plate; 33. threaded barrel; 34. third handle; 35. unidirectional screw. DETAILED DESCRIPTION

[0025] 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.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1:

[0027] See also Figure 1-4 The utility model provides a technical solution: a bracket for high-speed steel drill bit processing, comprising a connecting shell 1, a clamping mechanism 2 is arranged inside the connecting shell 1, and a lifting mechanism 3 is arranged at the bottom of the connecting shell 1.

[0028] The clamping mechanism 2 includes an adjusting mechanism 21 and a clamping assembly 22 . The adjusting mechanism 21 is arranged inside the connecting shell 1 , and the clamping assembly 22 is arranged on the top of the adjusting mechanism 21 .

[0029] Furthermore, the adjustment mechanism 21 includes a limit shaft 211, which is fixedly connected to the inside of the connecting shell 1, and the inside of the connecting shell 1 is rotatably connected to a rotating shaft 212, the front of the rotating shaft 212 is fixedly connected to a first handle 213, the outside of the rotating shaft 212 is fixedly connected to a worm 214, the outside of the worm 214 is meshed with a worm wheel 215, the worm wheel 215 is rotatably connected to the inside of the connecting shell 1, the top of the worm wheel 215 is fixedly connected to a gear 216, the outside of the gear 216 is meshed with a tooth plate 217, the inner side of the tooth plate 217 is fixedly connected to a connecting plate 218, and the connecting plate 218 is slidably connected to the outside of the limit shaft 211 for adjusting the position of the slot block 221.

[0030] Furthermore, the connecting shell 1 is provided with a slide groove at a corresponding position of the connecting plate 218, and the connecting plate 218 slides inside the slide groove. The connecting shell 1 is provided with a through hole at a corresponding position of the rotating shaft 212, and the rotating shaft 212 rotates inside the through hole. A through hole is provided inside the connecting shell 1 to facilitate clamping of longer workpieces.

[0031] Furthermore, the clamping assembly 22 includes a slot block 221, which is fixedly connected to the top of the connecting plate 218. The slot block 221 is internally rotatably connected to a limit block 222, the outer side of the limit block 222 is fixedly connected to a second handle 223, the inner side of the limit block 222 is fixedly connected to a bidirectional screw 224, the external thread of the bidirectional screw 224 is connected to a moving block 225, and the inner side of the moving block 225 is fixedly connected to a clamping block 226 for clamping the workpiece.

[0032] Furthermore, four moving blocks 225 are provided, and the slot block 221 is provided with sliding grooves at corresponding positions of the two moving blocks 225, and the two moving blocks 225 are symmetrically slidably connected inside the sliding grooves, the slot block 221 is provided with through holes at corresponding positions of the limit blocks 222, and the limit blocks 222 rotate inside the through holes to adjust the position of the clamping block 226. Embodiment 2:

[0033] See also Figure 5 In combination with the first embodiment, it is further obtained that the lifting mechanism 3 includes a limiting telescopic rod 31, the limiting telescopic rod 31 is fixedly connected to the bottom of the connecting shell 1, the end of the limiting telescopic rod 31 away from the connecting shell 1 is fixedly connected to a bottom plate 32, the top of the bottom plate 32 is rotatably connected to a threaded barrel 33, the outside of the threaded barrel 33 is fixedly connected to a third handle 34, the inside of the threaded barrel 33 is threadedly connected to a one-way screw 35, and the one-way screw 35 is fixedly connected to the bottom of the connecting shell 1 for adjusting the height of the connecting shell 1.

[0034] Furthermore, four limiting telescopic rods 31 are provided, and the four limiting telescopic rods 31 are symmetrically fixedly connected between the connecting shell 1 and the bottom plate 32 for limiting the connecting shell 1 .

[0035] In actual operation, when the device is used, the third handle 34 is twisted, and the third handle 34 drives the threaded barrel 33 to rotate on the top of the bottom plate 32, and the threaded barrel 33 rotates to screw out or screw in the one-way screw 35, and the one-way screw 35 pushes the connecting shell 1, and the connecting shell 1 drives the limiting telescopic rod 31 to extend or contract, and the limiting telescopic rod 31 is used to limit the connecting shell 1, so that the height of the connecting shell 1 can be adjusted, and the second handle 223 is twisted according to the size of the workpiece, and the second handle 223 drives the limiting block 222, and the limiting block 222 rotates inside the slot block 221, and the limiting block 222 drives the bidirectional screw 224, and the bidirectional screw 224 drives the moving block 225, and the moving block 225 is in the slot block 22 1 slides inside the slide groove, the moving block 225 drives the clamping block 226, adjusts the position of the clamping block 226, and then twists the first handle 213, the first handle 213 drives the rotating shaft 212, the rotating shaft 212 rotates inside the through hole of the connecting shell 1, the rotating shaft 212 drives the worm 214, the worm 214 drives the worm wheel 215, the worm wheel 215 drives the gear 216, the gear 216 drives the tooth plate 217, the tooth plate 217 drives the connecting plate 218, the connecting plate 218 slides outside the limiting shaft 211, and then the connecting plate 218 drives the slot block 221, the slot block 221 can clamp the workpiece through the clamping block 226, the through hole starting from the connecting shell 1 can be convenient for clamping longer workpieces.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A bracket for high-speed steel drill bit processing, comprising a connecting shell (1), characterized in that: A clamping mechanism (2) is provided inside the connecting shell (1), and a lifting mechanism (3) is provided at the bottom of the connecting shell (1); The clamping mechanism (2) comprises an adjusting mechanism (21) and a clamping assembly (22); the adjusting mechanism (21) is arranged inside the connecting shell (1), and the clamping assembly (22) is arranged on top of the adjusting mechanism (21).

2. The bracket for high-speed steel drill bit processing according to claim 1, characterized in that: The adjustment mechanism (21) comprises a limit shaft (211), the limit shaft (211) is fixedly connected to the inside of the connection shell (1), the inside of the connection shell (1) is rotatably connected to a rotating shaft (212), the front of the rotating shaft (212) is fixedly connected to a first handle (213), the outside of the rotating shaft (212) is fixedly connected to a worm (214), the outside of the worm (214) is meshed with a worm wheel (215), the worm wheel (215) is rotatably connected to the inside of the connection shell (1), the top of the worm wheel (215) is fixedly connected to a gear (216), the outside of the gear (216) is meshed with a toothed plate (217), the inner side of the toothed plate (217) is fixedly connected to a connecting plate (218), and the connecting plate (218) is slidably connected to the outside of the limit shaft (211).

3. The bracket for high-speed steel drill bit processing according to claim 2, characterized in that: The connecting shell (1) is provided with a slide groove at a corresponding position of the connecting plate (218), and the connecting plate (218) slides inside the slide groove; the connecting shell (1) is provided with a through hole at a corresponding position of the rotating shaft (212), and the rotating shaft (212) rotates inside the through hole; and the connecting shell (1) has a through hole inside.

4. The bracket for high-speed steel drill bit processing according to claim 2, characterized in that: The clamping assembly (22) comprises a slot block (221), wherein the slot block (221) is fixedly connected to the top of the connecting plate (218), the slot block (221) is internally rotatably connected to a limit block (222), the outer side of the limit block (222) is fixedly connected to a second handle (223), the inner side of the limit block (222) is fixedly connected to a bidirectional screw rod (224), the outer side of the bidirectional screw rod (224) is threadedly connected to a moving block (225), and the inner side of the moving block (225) is fixedly connected to a clamping block (226).

5. The bracket for high-speed steel drill bit processing according to claim 4, characterized in that: Four moving blocks (225) are provided, and the slot block (221) is provided with sliding grooves at corresponding positions of two moving blocks (225), and the two moving blocks (225) are symmetrically slidably connected inside the sliding grooves, and the slot block (221) is provided with through holes at corresponding positions of the limit blocks (222), and the limit blocks (222) rotate inside the through holes.

6. The bracket for high-speed steel drill bit processing according to claim 1, characterized in that: The lifting mechanism (3) comprises a limit telescopic rod (31), the limit telescopic rod (31) being fixedly connected to the bottom of the connection shell (1), one end of the limit telescopic rod (31) away from the connection shell (1) being fixedly connected to a bottom plate (32), the top of the bottom plate (32) being rotatably connected to a threaded barrel (33), the outside of the threaded barrel (33) being fixedly connected to a third handle (34), the inside of the threaded barrel (33) being threadedly connected to a one-way screw (35), and the one-way screw (35) being fixedly connected to the bottom of the connection shell (1).

7. The bracket for high-speed steel drill bit processing according to claim 6, characterized in that: Four of the position-limiting telescopic rods (31) are provided, and the four position-limiting telescopic rods (31) are symmetrically fixedly connected between the connecting shell (1) and the bottom plate (32).

Citation Information

Patent Citations

  • Bracket for drill bit machining

    CN214721961U