Fine-adjustable knife rest

By designing an adjustable tool post with adjustable components and a limiting structure, the problems of inconvenient adjustment and low precision of existing tool posts have been solved, achieving high precision and stable fine adjustment of the tool and improving the machining efficiency of CNC lathes.

CN223776035UActive Publication Date: 2026-01-09ZHEJIANG PILOT HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202420862406.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2026-01-09
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

The existing row-type tool holder requires workers to manually tap it to adjust when there is an error in the machining accuracy of the workpiece, which makes the adjustment inconvenient and the accuracy low.

Method used

A finely adjustable tool holder was designed. By adjusting the components, including a slider, a slide block, a positioning plate, and a limiting plate, and using studs for connection, the lateral and longitudinal displacement of the holder can be adjusted. The stability and accuracy are improved by combining the limiting block and the positioning groove.

Benefits of technology

It enables convenient fine-tuning of the cutting tool, improves adjustment accuracy and stability, and enhances the reliability and ease of operation of the tool holder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223776035U_ABST
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Abstract

The utility model provides a fine-adjustable tool rest which comprises a rest body, a clamping groove used for clamping a tool is formed in the rest body, a locking bolt communicated with the clamping groove is arranged at the top of the rest body, and the fine-adjustable tool rest further comprises an adjusting assembly. The adjusting assembly comprises a sliding block in sliding fit with the frame body in the longitudinal direction, a sliding base in sliding fit with the sliding block in the transverse direction, positioning plates located at the two ends of the sliding base, limiting plates located on the two sides of the sliding base, first adjusting pieces connected to the positioning plates and abutting against the sliding block, and second adjusting pieces connected to the limiting plates and abutting against the frame body. The frame body, the sliding block, the positioning plate and the limiting plate are arranged at intervals to form an adjusting groove, and the first adjusting piece and the second adjusting piece move in a reciprocating mode relative to the axial direction of the first adjusting piece and the second adjusting piece, so that transverse and longitudinal displacement adjustment of the frame body is achieved. The adjusting device is convenient to adjust and high in adjusting precision.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe tool rest technical field, concretely relates to a fine adjustment tool rest. BACKGROUND

[0002] According to the different tool changing mode, the tool rest system of numerical control lathe mainly has rotary tool rest, row tool rest and automatic tool changer with tool magazine and various forms, and the row tool rest is generally used for small specification numerical control lathe and mainly processes bar stock or disc parts. Its structural form is that the tool holder holding various different purpose tools is arranged on the transverse slide plate along the X coordinate axis direction of machine tool. This tool rest is relatively convenient in tool arrangement and machine tool adjustment, and can arbitrarily combine various different purpose tools according to the turning process requirement of specific workpiece, after the turning task of a tool is completed, the transverse slide plate only needs to move along the X axis by the pre-set distance, and the second tool reaches the machining position, so that the tool changing action of machine tool is completed. This tool changing mode is rapid and time-saving, and is beneficial to improving the production efficiency of machine tool.

[0003] The existing row tool rest needs to be knocked by workers for fine adjustment when the machining precision error of workpiece occurs, thereby causing inconvenient tool rest adjustment and low adjustment precision. CONTENT OF THE UTILITY MODEL

[0004] Based on the above problems, the utility model aims at providing a tool rest convenient to adjust and high in adjustment precision.

[0005] In view of the above problems, the following technical scheme is provided: a fine adjustment tool rest, including the frame body, the frame body is provided with clamping grooves for clamping tools, the top of the frame body is provided with locking bolts communicating with the clamping grooves, and the fine adjustment tool rest also includes an adjusting assembly, the adjusting assembly includes a sliding block sliding in the longitudinal direction of the frame body, a sliding seat sliding in the transverse direction of the sliding block, positioning plates at both ends of the sliding seat, limiting plates at both sides of the sliding seat, a first adjusting part connected to the positioning plates and abutting against the sliding block, and a second adjusting part connected to the limiting plates and abutting against the frame body, the frame body and the sliding block are spaced apart from the positioning plates and the limiting plates to form an adjusting groove, and the first adjusting part and the second adjusting part reciprocate in the axial direction to realize the displacement adjustment of the frame body in the transverse and longitudinal directions.

[0006] In the structure, the adjusting groove is arranged to facilitate the transverse or longitudinal displacement of the frame body, the first adjusting member at one end is loosened, the first adjusting member at the other end is rotated, the slide block drives the frame body to displace relative to the slide base, and then the transverse displacement fine adjustment of the frame body driving the cutter is realized; the second adjusting member at one end is loosened, the second adjusting member at the other end is rotated, the frame body is displaced relative to the slide block, and then the longitudinal displacement fine adjustment of the frame body driving the cutter is realized, so that the adjustable function of the utility model is realized, and the adjustment precision is improved. The positioning plate and the limiting plate are arranged to improve the stability of the slide base, and the frame body can be limited and fine adjusted, and the reliability of the utility model is improved.

[0007] The utility model further sets up, first adjusting member and second adjusting member all adopt stud, all be equipped with with screw hole of being suitable for screw post on positioning plate and limiting plate.

[0008] In the structure, the first adjusting member and the second adjusting member are connected with the positioning plate and the limiting plate through threads, which can facilitate the user to adjust by rotating the first adjusting member or the second adjusting member, and realize the convenience of operation of the utility model.

[0009] The utility model further sets up, the slide base is equipped with limiting block relative to its length direction, the slide block bottom is equipped with with limiting slot of sliding and cooperating with limiting block.

[0010] In the structure, the limiting block and the limiting slot are arranged to make the slide block slide relative to the limiting block in a certain direction, without deflection, and then realize the transverse displacement of the frame body, and improve the stability of the frame body displacement through the slide block.

[0011] The utility model further sets up, the slide block is equipped with positioning block relative to its width direction, the frame body bottom is equipped with with positioning slot of sliding and cooperating with positioning block.

[0012] In the structure, the positioning block and the positioning slot are matched to improve the stability of the longitudinal displacement of the frame body, and then improve the reliability of the utility model.

[0013] The utility model further sets up, positioning block and positioning slot relative slide block length direction interval has two groups.

[0014] The above structure can further improve the stability of the frame body displacement, and improve the reliability of the utility model.

[0015] The utility model further sets up, the cross section of limiting block and positioning block is wedge-shaped.

[0016] Adopting the above structure, the slider can be limited in the height direction relative to the slide, the frame body can be limited in the height direction relative to the slider, the stability of the displacement adjustment of the utility model is further improved, and the reliability of the utility model is improved.

[0017] The utility model further sets up, the slide is set with two groups in the length direction interval in the ladder hole relative to the slide.

[0018] In the above structure, the slide can be fixed on the machine tool through the ladder hole, thereby realizing the fixation of the utility model and improving the reliability of the utility model.

[0019] The utility model further sets up, four corners of the positioning plate all are set with connecting hole, the position corresponding with connecting hole is set with mounting hole on the limiting board.

[0020] In the above structure, the positioning plate is connected and fixed with the limiting board through the screw joint cooperation of the connecting hole and the mounting hole, thereby facilitating the disassembly and assembly of the utility model.

[0021] The utility model further sets up, the limiting board is set with fastening hole, the position corresponding with fastening hole is set with positioning hole on the slide.

[0022] In the above structure, the limiting board is connected and fixed with the slide through the screw joint cooperation of the fastening hole and the positioning hole, thereby improving the firmness of the structure of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the utility model.

[0024] Figure 2 It is the structural schematic diagram of the utility model relative to the first adjusting part.

[0025] Figure 3 It is the structural schematic diagram of the utility model relative to the second adjusting part.

[0026] Figure 4 It is the split structural schematic diagram of the utility model.

[0027] Figure 5 It is the structural schematic diagram of the utility model that the frame body, the slider and the slide cooperate.

[0028] The labels in the diagram have the following meanings: 1-Frame; 11-Clamping groove; 2-Locking bolt; 3-Adjusting component; 31-Slider; 32-Slide block; 33-Positioning plate; 34-Limiting plate; 35-First adjusting component; 36-Second adjusting component; 12-Adjusting groove; 01-Screw hole; 321-Limiting block; 311-Limiting groove; 312-Positioning block; 13-Positioning groove; 322-Stepped hole; 331-Connecting hole; 341-Mounting hole; 342-Fastening hole; 323-Positioning hole. Detailed Implementation

[0029] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0030] It should be noted that all directional indicators (such as up, down, left, right, front, back, front, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0031] like Figures 1 to 5 The adjustable tool holder shown includes a frame 1 with a clamping groove 11 for holding a tool. A locking bolt 2 communicating with the clamping groove 11 is provided on the top of the frame 1. The tool holder also includes an adjustment assembly 3, which includes a slider 31 that slides longitudinally with the frame 1, a slide block 32 that slides laterally with the slider 31, positioning plates 33 at both ends of the slide block 32, limiting plates 34 on both sides of the slide block 32, a first adjusting member 35 connected to the positioning plate 33 and abutting against the slider 31, and a second adjusting member 36 connected to the limiting plate 34 and abutting against the frame 1. The frame 1 and the slider 31 are spaced apart from the positioning plate 33 and the limiting plate 34 to form an adjustment groove 12. The first adjusting member 35 and the second adjusting member 36 move back and forth relative to their axial direction to realize the lateral and longitudinal displacement adjustment of the frame 1.

[0032] In the structure, the adjusting groove 12 is arranged to facilitate the transverse or longitudinal displacement of the frame body 1, the first adjusting part 35 at one end is loosened, the first adjusting part 35 at the other end is rotated, the slide block 31 drives the frame body 1 to displace relative to the slide base 32, and then the frame body 1 drives the cutter to displace transversely and finely, the second adjusting part 36 at one end is loosened, the second adjusting part 36 at the other end is rotated, the frame body 1 displaces relative to the slide block 31, and then the frame body 1 drives the cutter to displace longitudinally and finely, and the adjustable function of the utility model is realized, and the adjustment precision is improved. The positioning plate 33 and the limiting plate 34 are arranged to improve the stability of the slide base 32, limit the frame body 1, realize fine adjustment, and improve the reliability of the utility model.

[0033] In the embodiment, the first adjusting part 35 and the second adjusting part 36 are both studs, and the positioning plate 33 and the limiting plate 34 are both provided with screw holes 01 matched with the studs.

[0034] In the structure, the first adjusting part 35 and the second adjusting part 36 are connected with the positioning plate 33 and the limiting plate 34 through threads, respectively, which facilitates the user to adjust by rotating the first adjusting part 35 or the second adjusting part 36, and realizes the convenience of operation of the utility model.

[0035] In the embodiment, the slide base 32 is provided with a limiting block 321 relative to the length direction of the slide base 32, and the slide block 31 is provided with a limiting groove 311 at the bottom and matched with the limiting block 321.

[0036] In the structure, the limiting block 321 and the limiting groove 311 are arranged to make the slide block 31 slide relative to the limiting block 321 in a certain direction, without deflection, and then the transverse displacement of the frame body 1 is realized, and the stability of the displacement of the frame body 1 through the slide block 31 is improved.

[0037] In the embodiment, the slide block 31 is provided with a positioning block 312 relative to the width direction of the slide block 31, and the frame body 1 is provided with a positioning groove 13 at the bottom and matched with the positioning block 312.

[0038] In the structure, the positioning block 312 and the positioning groove 13 are matched to improve the stability of the longitudinal displacement of the frame body 1, and then the reliability of the utility model is improved.

[0039] In the embodiment, the positioning block 312 and the positioning groove 13 are arranged in two groups relative to the length direction of the slide block 31.

[0040] The above structure can further improve the stability of the displacement of the frame body 1, and improve the reliability of the utility model.

[0041] In the embodiment, the limiting block 321 and the positioning block 312 are both wedge-shaped in cross section.

[0042] With the above structure, the slider 31 can be limited in the height direction relative to the slide 32, and the frame body 1 can be limited in the height direction relative to the slider 31, thereby further improving the stability of the displacement adjustment of the utility model and improving the reliability of the utility model.

[0043] In this embodiment, the slide 32 is provided with a stepped hole 322, and two groups of stepped holes 322 are arranged at intervals in the length direction of the slide 32.

[0044] In the above structure, the stepped hole 322 can facilitate the fixing of the slide 32 on the machine tool through bolts, thereby realizing the fixation of the utility model and improving the reliability of the utility model.

[0045] In this embodiment, the positioning plate 33 is provided with a connecting hole 331 at each corner, and the limiting plate 34 is provided with a mounting hole 341 at a position corresponding to the connecting hole 331.

[0046] In the above structure, the positioning plate 33 is screwed through the connecting hole 331 and the mounting hole 341 to realize the connection and fixation with the limiting plate 34, thereby facilitating the disassembly and assembly of the utility model.

[0047] In this embodiment, the limiting plate 34 is provided with a fastening hole 342, and the slide 32 is provided with a positioning hole 323 at a position corresponding to the fastening hole 342.

[0048] In the above structure, the limiting plate 34 is screwed through the fastening hole 342 and the positioning hole 323 to realize the fixed connection with the slide 32, thereby improving the firmness of the structure of the utility model.

[0049] The above is only the preferred embodiment of the utility model, and it should be noted that for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A finely adjustable tool holder, comprising a frame, wherein the frame has a clamping groove for holding a tool, and a locking bolt communicating with the clamping groove is provided on the top of the frame, characterized in that: The adjusting assembly comprises a sliding block slidingly matched with the longitudinal direction of the frame body, a sliding seat slidingly matched with the sliding block in the transverse direction, positioning plates located at both ends of the sliding seat, limiting plates located at both sides of the sliding seat, a first adjusting member connected to the positioning plates and abutting against the sliding block, and a second adjusting member connected to the limiting plates and abutting against the frame body.

2. A micrometerable tool holder according to claim 1, characterized in that: The first adjusting member and the second adjusting member are both in the form of studs, and the positioning plates and the limiting plates are both provided with screw holes matched with the studs.

3. A micrometerable tool holder according to claim 1, characterized in that: The sliding seat is provided with limiting blocks in the length direction of the sliding seat, and the bottom of the sliding block is provided with limiting grooves slidingly matched with the limiting blocks.

4. A micrometerable tool holder according to claim 3, characterized in that: The sliding block is provided with positioning blocks in the width direction of the sliding block, and the bottom of the frame body is provided with positioning grooves slidingly matched with the positioning blocks.

5. A micrometerable tool holder according to claim 4, characterized in that: The positioning blocks and the positioning grooves are both provided with two groups in the length direction of the sliding block.

6. A micrometerable tool holder according to claim 5, characterized in that: The cross sections of the limiting blocks and the positioning blocks are both in the form of wedges.

7. A micrometerable tool holder according to claim 1, characterized in that: The sliding seat is provided with stepped holes, and the stepped holes are provided with two groups in the length direction of the sliding seat.

8. A micrometerable tool holder according to claim 7, characterized in that: The positioning plates are all provided with connecting holes at the four corners, and the limiting plates are provided with mounting holes at positions corresponding to the connecting holes.

9. A micrometerable tool holder according to claim 8, characterized in that: The limiting plates are provided with fastening holes, and the sliding seat is provided with positioning holes at positions corresponding to the fastening holes.