Knife rest convenient to adjust

By introducing two adjustment modules and a reverse thread design into the tool holder, the problem of insufficient adjustment accuracy of existing tool holders is solved, thereby improving tool setting accuracy and efficiency.

CN223946816UActive Publication Date: 2026-02-27安徽光智科技有限公司
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Patent Information

Application Number
CN202422896373.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-02-27
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing tool holder has limited adjustment precision during tool setting, resulting in long tool setting time and affecting work efficiency.

Method used

An easily adjustable tool holder was designed, which achieves two-stage adjustment through a first adjustment module and a second adjustment module, increasing the height adjustment range and accuracy. It includes a base, a movable block, a fixed unit, and an adjustment screw, and uses a reverse thread to improve adjustment accuracy and stability.

Benefits of technology

It improves the accuracy and efficiency of tool setting, reduces tool setting time, and increases work efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223946816U_ABST
    Figure CN223946816U_ABST
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Abstract

The utility model relates to the technical field of tool rests, and discloses a tool rest convenient to adjust, which comprises a base, a movable block slidably connected to one side of the base, and a fixing unit used for fixing an external tool, a first adjusting module used for adjusting the height of the movable block in the vertical direction is arranged on the base, and a second adjusting module is arranged on the movable block. The movable block is connected with the base through the first adjusting module, the fixed unit is connected with the second adjusting module, the second adjusting module is used for adjusting the height of the fixed unit in the vertical direction, the height position of the movable block on the base can be adjusted through the first adjusting module, and the height position of the fixed unit on the movable block can also be adjusted through the second adjusting module; therefore, two-section adjustment is achieved, the height adjustment range is widened, the height adjustment precision is improved, and tool setting operation of workers is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tool rest, specifically is a tool rest convenient to adjust. BACKGROUND

[0002] In the manufacturing industry, the lathe is a kind of equipment commonly used, usually the blank is installed on the lathe, and the blank is cut by turning tool to achieve the preliminary structure appearance of processing drawing, and the tool rest is an important part for fixing the turning tool on the lathe to cut the workpiece, specifically, the tool rest is an important part of fixing and adjusting the turning tool, so in the use of lathe, the tool rest is an indispensable part, on the other hand, when another workpiece is processed, due to the different structure of the workpiece or the replacement of different turning tools, the tool needs to be reset before cutting, and the tool resetting often takes a long time to correspond to different workpieces and tools, thereby causing the decline of work efficiency.

[0003] In the prior art, the utility model patent (CN211803851U) discloses a cutting tool holder for steam pipe machining cutter, which comprises a fixed frame and a tool rest connected by dovetail groove tenon cooperation, the upper side of the fixed frame is provided with a first threaded hole and a plurality of first fixing holes, the first threaded hole is arranged near the position of the dovetail groove tenon and is screwed with a lifting adjusting screw, the upper part of the lifting adjusting screw is provided with a snap ring; the upper part of the tool rest towards the dovetail groove tenon side is provided with a slot for accommodating the snap ring; the upper part of the tool rest away from the dovetail groove tenon side is provided with a square groove-shaped cutter mounting groove for mounting the cutting tool, and a plurality of second fixing holes are arranged on the upper side of the tool rest and communicated with the cutter mounting groove; the lower part of the fixed frame towards the dovetail groove tenon side is provided with a plurality of second threaded holes, and the tool rest is provided with a through slot corresponding to the second threaded hole for adjusting the lifting stroke of the tool rest; the snap ring is arranged in the slot, and the tool rest moves along the guide direction of the dovetail groove tenon relative to the fixed frame with the rotation of the lifting adjusting screw, the tool holder adjusts the lifting by the lifting adjusting screw, but the height range of the fixed frame adjustment is limited when the tool is reset, and the adjustment precision is limited due to single adjustment.

[0004] Based on this, the technical problem to be solved by the case is how to improve the accuracy and convenience of tool setting. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a tool rest convenient to adjust, the height position of the movable block on the base can be adjusted by the first adjusting module, and the height position of the fixed unit on the movable block can be adjusted by the second adjusting module, so that two-stage adjustment is realized, the height adjustment range and the height adjustment precision are increased, and this is beneficial to the tool setting operation of the staff.

[0006] The technical scheme of the utility model is:

[0007] A tool holder convenient to adjust, comprising a base, a movable block slidingly connected to one side of the base, a fixing unit for fixing a tool of an external device, the base being provided with a first adjusting module for adjusting the height of the movable block in the vertical direction, the movable block being provided with a second adjusting module, the fixing unit being connected with the second adjusting module, and the second adjusting module being used for adjusting the height of the fixing unit in the vertical direction.

[0008] In the tool holder convenient to adjust, the second adjusting module comprises a fixing block and an adjusting screw, one end of the fixing block being connected with the top of the movable block, and the adjusting screw being rotationally connected with the fixing block, the fixing unit being slidingly connected to one side of the movable block, and the adjusting screw being threadedly connected with the fixing unit, so that the height of the fixing unit in the vertical direction can be adjusted by the first adjusting screw.

[0009] In the tool holder convenient to adjust, the first adjusting module is an adjusting rod, one end of the adjusting rod being provided with a first thread, the other end of the adjusting rod being provided with a second thread opposite to the first thread, the base being provided with a first threaded hole matched with the first thread, the movable block being provided with a second threaded hole matched with the second thread, and the fixing block being threadedly connected with the first threaded hole and the second threaded hole through the first thread and the second thread, respectively, so that the height of the movable block in the vertical direction can be adjusted by the adjusting rod.

[0010] In the tool holder convenient to adjust, the pitch of the first thread and the second thread is 0.3-0.35 mm.

[0011] Preferably, the pitch of the first thread and the second thread is 0.3 mm, 0.31 mm, 0.32 mm, 0.33 mm, 0.34 mm or 0.35 mm, and more preferably, the pitch of the first thread and the second thread is 0.3 mm, 0.31 mm or 0.32 mm.

[0012] In the tool holder convenient to adjust, the fixing unit comprises a fixing plate and a rotating frame, the fixing plate being slidingly connected to one side of the movable block, and the rotating frame being rotationally connected to the top of the fixing plate, the adjusting screw being threadedly connected with the fixing plate, and the rotating frame being used for fixing the tool of the external device.

[0013] In the tool holder convenient to adjust, the rotating frame is provided with a locking hole and symmetrical fixing holes, the fixing holes being used for cooperating with the bolts of the external device to fix the tool, and the locking hole being used for locking the angle of the rotating frame.

[0014] In the tool holder convenient to adjust, the movable block is provided with a plurality of limiting holes, and the fixing plate is provided with symmetrical through grooves, the fixing plate being connected with the limiting holes through the bolts of the external device penetrating the through grooves, so that the fixing plate can be detachably connected to the movable block and the sliding distance of the fixing plate is limited.

[0015] In the adjustable knife rest, the first sliding groove is arranged on the movable block, and the first sliding block is arranged on the base.

[0016] In the adjustable knife rest, the second sliding block is arranged on the movable block, and the second sliding groove is arranged on the fixed plate.

[0017] The technical scheme of the utility model has at least one of the following advantages or beneficial effects:

[0018] The first adjusting module can adjust the height position of the movable block on the base, and the second adjusting module can adjust the height position of the fixed unit on the movable block, so that two-stage adjustment is realized, the height adjustment range and the height adjustment precision are increased, and the operator can conveniently perform the knife operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a perspective view of the utility model embodiment 1.

[0020] Fig. 2 It is a front view of the utility model embodiment 1.

[0021] Fig. 3 It is a top view of the utility model embodiment 1.

[0022] Fig. 4 It is a side view of the utility model embodiment 1.

[0023] In the drawings, the reference signs are as follows: 1, base; 2, movable block; 3, fixed unit; 11, first adjusting module; 12, first sliding block; 21, second adjusting module; 22, limiting hole; 23, first sliding groove; 24, second sliding block; 31, fixed plate; 32, rotating frame; 33, through groove; 34, second sliding groove; 111, adjusting rod; 112, first thread; 113, second thread; 211, fixed block; 212, adjusting screw rod; 321, fixed hole; 322, locking hole. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1

[0026] Please refer toFigs. 1-4 The utility model provides a tool rest convenient to adjust, including base 1, movable block 2 of sliding connection in one side of base 1, the fixed unit 3 for fixing the tool of external device, be equipped with the first adjusting module 11 for adjusting movable block 2 height in vertical direction on base 1, be equipped with second adjusting module 21 on movable block 2, and the fixed unit 3 is connected with second adjusting module 21, and second adjusting module 21 is used for adjusting the height of fixed unit 3 in vertical direction.

[0027] In practical application, the tool is fixed through the fixed unit 3, and the height of the movable block 2 is adjusted through the first adjusting module 11, and the height here refers to the height of the movable block 2 relative to the base 1, and the height of the fixed unit 3 can also be adjusted through the second adjusting module 21, and the height here refers to the height of the fixed unit 3 relative to the movable block 2, and in particular, when the height of the movable block 2 is adjusted through the first adjusting module 11, the fixed unit 3 drives the tool to move along with the movable block 2, and the second adjusting module 21 only adjusts the fixed unit 3, so that the fixed unit 3 drives the tool to move, in the height adjustment operation of tool changing, the height is adjusted through the first adjusting module 11 first, so that the tool preliminarily approaches the tool setting position, and when the tool approaches the tool setting position, the height of the tool can be adjusted again through the second adjusting module 21, so that the tool approaches the tool setting position again, and in particular, when the first adjusting module 11 is adjusted to the limit position, if the tool setting position has not been reached, the range of supplementary adjustment can be supplemented through the second adjusting module 21, that is, the height adjustment range of the tool can be improved through the second adjusting module 21, on the other hand, the tool can be preliminarily set through the first adjusting module 11, and then further set through the second adjusting module 21, so that the accuracy of tool setting can be improved.

[0028] Preferably, the second adjusting module 21 comprises a fixed block 211 and an adjusting screw 212, one end of the fixed block 211 is connected with the top of the movable block 2, and the adjusting screw 212 is rotationally connected with the fixed block 211, the fixed unit 3 is slidingly connected with one side of the movable block 2, and the adjusting screw 212 is threadedly connected with the fixed unit 3, so that the height of the fixed unit 3 in the vertical direction can be adjusted through the adjusting screw 212.

[0029] In the above design, the two ends of the fixed block 211 are connected with the movable block 2 and the fixed unit 3 respectively, and the height of the fixed unit 3 is fixed and adjusted through the thread connection of the adjusting screw 212 with one end of the fixed unit 3, and in particular, when the adjusting screw 212 is rotated, the fixed unit 3 is lifted and lowered along with the rotation of the adjusting screw 212 in the state of thread connection, and when the adjusting screw 212 is no longer rotated, the fixed unit 3 is self-locked through the thread.

[0030] More preferably, the first adjusting module 11 is an adjusting rod 111, one end of the adjusting rod 111 is provided with a first thread 112, the other end is provided with a second thread 113 opposite to the first thread 112, the base 1 is provided with a first thread 112 hole matched with the first thread 112, the movable block 2 is provided with a second thread 113 hole matched with the second thread 113, the fixed block 211 is threadedly connected with the first thread 112 hole and the second thread 113 hole through the first thread 112 and the second thread 113 respectively, and the adjusting rod 111 is used for adjusting the height of the movable block 2 in the vertical direction.

[0031] Through the above design, when the adjusting rod 111 is rotated, the first thread 112 and the first thread 112 hole of the base 1 are lifted under the thread connection, at the same time, the second thread 113 and the second thread 113 hole of the movable block 2 are lifted synchronously under the thread connection, specifically, when the first thread 112 and the first thread 112 hole make the base 1 rise relative to the adjusting rod 111, the second thread 113 and the second thread 113 hole make the movable block 2 descend relative to the adjusting rod 111, because the first thread 112 and the second thread 113 are opposite threads, so the motion directions are opposite, in this way, when the staff rotates the thread rod, the efficiency of one-way thread rotation for two weeks can be realized by rotating one week, and locking can be realized at two positions when locking, so as to improve the stability, which is specifically manifested as that the tool can be prevented from deviating due to vibration when the tool is turned.

[0032] More preferably, the pitch of the first thread 112 and the second thread 113 is 0.3-0.35mm.

[0033] In the embodiment, the pitch of the first thread 112 and the second thread 113 is 0.3mm, generally, the pitches of the first thread 112 and the second thread 113 are equal, but they can also be unequal, for example, the pitch of the first thread 112 is 0.3mm, and the pitch of the second thread 113 is 0.35mm, which is also within the protection scope of the scheme, the lower the pitch is, the higher the adjustment accuracy is, and the iron filings of the workpiece can be prevented from being clamped on the thread when the tool is turned, so as to cause the adjusting rod 111 to be clamped and affect the service life of the adjusting rod 111.

[0034] More preferably, the fixed unit 3 includes a fixed plate 31 and a rotating frame 32, the fixed plate 31 is slidingly connected on one side of the movable block 2, the rotating frame 32 is rotationally connected on the top of the fixed plate 31, the adjusting screw 212 is threadedly connected with the fixed plate 31, and the rotating frame 32 is used for fixing the tool of the external device.

[0035] In the above design, the rotating frame 32 can fix the cutter on the fixed plate 31, or adjust the angle of the cutter by rotating the rotating frame 32, so as to facilitate the staff to adjust the cutter.

[0036] More preferably, the rotating frame 32 is provided with a locking hole 322 and a symmetrically arranged fixing hole 321, the fixing hole 321 is used to cooperate with the bolt of the external device to fix the cutter, and the locking hole 322 can be used to lock the angle of the rotating frame 32.

[0037] Through the above design, the fixing hole 321 can fix the cutter on the fixed plate 31 by the bolt of the external device, and the rotating frame 32 can be locked on the fixed plate 31 by the locking hole 322, when the rotating frame 32 needs to be rotated, only the bolt of the locking hole 322 needs to be loosened to rotate the rotating frame 32 to adjust the angle of the cutter, thereby facilitating the staff to adjust the cutter.

[0038] Further, the movable block 2 is provided with a plurality of limiting holes 22, and the fixed plate 31 is provided with a symmetrically arranged through slot 33, the fixed plate 31 can be connected with the limiting hole 22 by the bolt of the external device penetrating the through slot 33, so that the fixed plate 31 can be detachably connected on the movable block 2, and the sliding distance of the fixed plate 31 is limited.

[0039] In the embodiment, the limiting hole 22 can limit the height range of the fixed plate 31, and the fixed plate 31 and the movable block 2 can be connected, so that the fixed plate 31 and the movable block 2 can be lifted together, on the other hand, the fixed plate 31 can be lifted within the range of the through slot 33, so as to avoid the fixed plate 31 from being separated from the movable block 2 due to excessive lifting or excessive lowering, on the other hand, the fixed plate 31 can be detached from the movable block 2, which is convenient for cleaning, maintenance and replacement.

[0040] Preferably, the movable block 2 is provided with a first sliding groove 23, and the base 1 is provided with a first sliding block 12, the first sliding block 12 is in sliding connection with the first sliding groove 23.

[0041] Through the above design, the first sliding block 12 and the first sliding groove 23 in sliding connection can make the movable block 2 move along the height direction of the base 1, which plays a guiding role and facilitates the staff to adjust the cutter.

[0042] More preferably, the movable block 2 is provided with a second sliding block 24, and the fixed plate 31 is provided with a second sliding groove 34, the second sliding block 24 and the second sliding groove 34 are in sliding connection.

[0043] In the embodiment, the second sliding block 24 and the second sliding groove 34 in sliding connection can make the fixed plate 31 move along the height direction of the movable block 2, which plays a guiding role and facilitates the staff to adjust the cutter.

[0044] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A tool holder facilitating adjustment, comprising a base, a movable block slidingly connected to one side of the base, a fixing unit for fixing a tool of an external device, a first adjustment module for adjusting the height of the movable block in the vertical direction being arranged on the base, characterized in that, The second adjusting module is arranged on the movable block, and the fixed unit is connected with the second adjusting module.

2. The tool holder of claim 1, wherein, The second adjusting module comprises a fixed block and an adjusting screw.

3. A tool holder for facilitating adjustment as claimed in claim 2, wherein, The first adjusting module is an adjusting rod.

4. A tool holder for facilitating adjustment as claimed in claim 3, wherein, The first thread and the second thread have a pitch of 0.3-0.35 mm.

5. The tool holder of claim 2 wherein, The fixed unit comprises a fixed plate and a rotating frame.

6. A tool holder for facilitating adjustment as claimed in claim 5, wherein, The rotating frame is arranged on the top of the fixed plate and is rotatably connected with the fixed plate.

7. The tool holder of claim 5 wherein, The adjusting screw is threadedly connected with the fixed plate.

8. The tool holder of claim 1, wherein, The rotating frame is used for fixing a tool of an external device.

9. The tool holder of claim 5 wherein, The rotating frame is provided with a locking hole and symmetrical fixing holes. The fixed plate is provided with symmetrical through grooves. The fixed plate can be detachably connected with the movable block through the through grooves and the limiting holes. The movable block is provided with a first sliding groove. The base is provided with a first sliding block. The movable block is provided with a second sliding block. The fixed plate is provided with a second sliding groove.

Citation Information

Patent Citations

  • Cut-off tool apron of steam pipe fitting machining tool

    CN211803851U