Height-adjustable machine tool knife rest

By designing a height-adjustable machine tool tool holder including multiple sets of mounting plates, rotary blocks, threaded rods and umbrella drive wheel sets, the problem of inconvenient adjustment of traditional tool holders is solved, and flexible adjustment of tool holder position and height is achieved, improving machining efficiency and applicability.

CN222660145UActive Publication Date: 2025-03-25GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY
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Patent Information

Application Number
CN202420997806.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-25
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

During the processing process, the tool holder of the existing machine tool tool holder needs to be frequently adjusted due to the different parts sizes and processing positions. However, the traditional tool holder is relatively fixed after installation, making adjustment inconvenient.

Method used

A machine tool holder with adjustable height is designed, and the position of the device is adjusted through the first rotary block and the first threaded rod, the height of the device is adjusted through the second rotary block, the second threaded rod, the umbrella-shaped driving wheel set and the umbrella-shaped rotary wheel set, and the stability of the height adjustment is improved through the slider and the slide groove.

Benefits of technology

It realizes flexible adjustment of tool holder position and height, improves the applicability and machining efficiency of the device, and simplifies the installation and debugging process of tool holder.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machine tools, and discloses a height-adjustable machine tool knife rest which comprises a mounting base, a plurality of groups of mounting plates are mounted on the side edge of the mounting base, a first rotating block is arranged on the other side of the mounting base, a first threaded rod is connected to the inner side of the first rotating block through a bearing, and a movable plate is mounted on the peripheral surface of the first threaded rod in a threaded penetrating manner; a supporting frame is fixedly installed at the top end of the movable plate, a second threaded rod is rotationally installed in the supporting frame, a second rotating block is rotationally installed on the side edge of the supporting frame, an umbrella-shaped rotating wheel set is fixedly installed on the peripheral face of the second threaded rod, and an umbrella-shaped driving wheel set is connected to the inner side of the second rotating block through a bearing. A movable plate is installed on the side, away from the umbrella-shaped rotating wheel set, of the peripheral face of the second threaded rod in a threaded penetrating mode, sliding blocks are fixedly installed at the top ends of the two sides of the movable plate, the side top ends of the sliding blocks are fixedly connected with an installation frame, and a cutter set installation frame is fixedly installed at the top end of the installation frame. The position and height of the device can be adjusted respectively, and the applicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a machine tool tool rest with adjustable height. Background Art

[0002] Machine tools are mainly used to process mechanical parts. They change the shape or size of workpieces through operations such as cutting, milling, and drilling. During the processing of existing parts, due to the different sizes and processing positions of the parts, the tool holder needs to be adjusted when processing. The traditional tool holder is relatively fixed after installation and inconvenient to adjust, so it is necessary to improve the existing device to meet actual needs. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies in the prior art, the utility model provides a height-adjustable machine tool tool rest, which has the advantages of first facilitating the adjustment of the position of the device through a first rotating block and a first threaded rod, and at the same time facilitating the adjustment of the height of the device through a second rotating block, a second threaded rod, an umbrella-shaped driving wheel group, and an umbrella-shaped rotating wheel group, thereby improving the applicability of the device and solving the above-mentioned technical problems.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a height-adjustable machine tool tool rest comprises a mounting base, multiple groups of mounting plates are installed on the side of the mounting base, and a first rotating block is arranged on the other side, the inner side of the first rotating block is connected with a first threaded rod through a bearing, a movable plate is installed with a thread passing through the outer circumference of the first threaded rod, a support frame is fixedly installed on the top of the movable plate, a second threaded rod is rotatably installed inside the support frame, and a second rotating block is rotatably installed on the side, an umbrella-shaped rotating wheel group is fixedly installed on the outer circumference of the second threaded rod, an umbrella-shaped driving wheel group is connected to the inner side of the second rotating block through a bearing, a movable plate is installed with a thread passing through the side of the outer circumference of the second threaded rod away from the umbrella-shaped rotating wheel group, sliders are fixedly installed on the top of both sides of the movable plate, the top of the slider side is fixedly connected to the mounting frame, and a tool group mounting frame is fixedly installed on the top of the mounting frame.

[0007] Preferably, a group of movable plates are installed through the threads on the outer circumference of the first threaded rod.

[0008] Through the above technical scheme, firstly, multiple sets of mounting plates are used to facilitate the mounting plates to drive the overall device to be installed on the machine tool, and the first rotating block is rotated so that the rotation of the first rotating block drives the first threaded rod to rotate, thereby driving the movable plate on the outer circumference of the first threaded rod to move on the threaded surface of the outer circumference of the first threaded rod, so that the movable plate drives the support frame to make horizontal linear motion, thereby adjusting the position of the tool holder and improving the applicability of the device.

[0009] Preferably, the gear end of the umbrella-shaped driving wheel set is meshed with the gear end of the umbrella-shaped rotating wheel set.

[0010] Through the above technical solution, the second rotating block is rotated so that the second rotating block drives the umbrella-shaped driving wheel group to rotate, drives the umbrella-shaped rotating wheel group to rotate, drives the second threaded rod to rotate inside the mounting frame, and drives the movable plate on the outer surface to move up and down in a straight line with the second threaded rod, thereby adjusting the height of the tool holder.

[0011] Preferably, two sets of sliding grooves are relatively opened on the inner side of the support frame, and the inner walls of the sliding grooves are slidably connected to the outer sides of the corresponding sliding blocks.

[0012] Through the above technical solution, while the movable plate is adjusting the height on the outer peripheral surface of the second threaded rod, the movable plate drives the slider to slide inside the slide groove, thereby increasing the stability of the height adjustment of the movable plate.

[0013] Preferably, a fixing bolt is installed through a thread on the top of the knife assembly mounting frame.

[0014] Through the above technical solution, the turning tool assembly is inserted into the tool assembly installation frame, and then the fixing bolt is rotated so that the fixing bolt fixes the turning tool assembly, thereby realizing rapid installation and disassembly of the turning tool assembly.

[0015] Compared with the prior art, the utility model provides a machine tool tool holder with adjustable height, which has the following beneficial effects:

[0016] 1. The utility model firstly uses a plurality of mounting plates to facilitate the mounting plates to drive the overall device to be installed on a machine tool, and rotates the first rotating block, so that the rotation of the first rotating block drives the first threaded rod to rotate, and drives the movable plate on the outer circumference of the first threaded rod to move on the threaded surface of the outer circumference of the first threaded rod, so that the movable plate drives the support frame to make a lateral linear motion, adjusts the position of the tool holder, and improves the applicability of the device.

[0017] 2. The utility model rotates the second rotating block so that the second rotating block drives the umbrella-shaped driving wheel group to rotate, drives the umbrella-shaped rotating wheel group to rotate, drives the second threaded rod to rotate inside the mounting frame, and drives the movable plate on the outer peripheral surface to move up and down in a straight line along with the second threaded rod. At the same time, the movable plate drives the slider to slide inside the slide groove to adjust the height of the tool holder, and increases the stability of the height adjustment of the movable plate. The turning tool assembly is inserted into the tool assembly mounting frame, and then the fixing bolt is rotated so that the fixing bolt fixes the turning tool assembly, thereby realizing rapid installation and disassembly of the turning tool assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the tool rest of the machine tool structure of the utility model;

[0019] Figure 2This is a schematic diagram of the internal structure of the tool rest of the machine tool structure of the utility model;

[0020] Figure 3 This is a front view schematic diagram of the machine tool tool rest of the utility model structure;

[0021] Figure 4 It is a partially enlarged schematic diagram of the machine tool tool rest of the utility model structure.

[0022] Among them: 1. mounting base; 2. mounting plate; 3. first rotating block; 4. first threaded rod; 5. movable plate; 6. support frame; 7. second threaded rod; 8. second rotating block; 9. umbrella-shaped rotating wheel set; 10. umbrella-shaped driving wheel set; 11. moving plate; 12. slider; 13. slide groove; 14. mounting frame; 15. knife assembly mounting frame. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 A height-adjustable machine tool tool rest comprises a mounting base 1, a plurality of mounting plates 2 are mounted on the side of the mounting base 1, and a first rotating block 3 is arranged on the other side, a first threaded rod 4 is connected to the inner side of the first rotating block 3 through a bearing, a movable plate 5 is installed through a thread on the outer circumference of the first threaded rod 4, a support frame 6 is fixedly installed on the top of the movable plate 5, a second threaded rod 7 is rotatably installed inside the support frame 6, and a second rotating block 8 is rotatably installed on the side, an umbrella-shaped rotating wheel group 9 is fixedly installed on the outer circumference of the second threaded rod 7, an umbrella-shaped driving wheel group 10 is connected to the inner side of the second rotating block 8 through a bearing, a movable plate 11 is installed through a thread on one side of the outer circumference of the second threaded rod 7 away from the umbrella-shaped rotating wheel group 9, sliders 12 are fixedly installed on the top of both sides of the movable plate 11, a mounting frame 14 is fixedly connected to the top of the slider 12, and a tool group mounting frame 15 is fixedly installed on the top of the mounting frame 14.

[0025] Specifically, a set of movable plates 5 are installed through the threads on the outer circumference of the first threaded rod 4. The advantage is that, firstly, the plurality of mounting plates 2 facilitates the mounting plates 2 to drive the entire device to be installed on the machine tool, and the first rotating block 3 is rotated, so that the first rotating block 3 rotates and drives the first threaded rod 4 to rotate, and drives the movable plate 5 on the outer circumference of the first threaded rod 4 to move on the outer circumference of the first threaded rod 4, so that the movable plate 5 drives the support frame 6 to make a horizontal linear motion, and the position of the tool holder is adjusted, thereby improving the applicability of the device.

[0026] Specifically, the gear end of the umbrella-shaped driving wheel set 10 meshes with the gear end of the umbrella-shaped rotating wheel set 9. The advantage is that the second rotating block 8 is rotated, so that the second rotating block 8 drives the umbrella-shaped driving wheel set 10 to rotate, drives the umbrella-shaped rotating wheel set 9 to rotate, drives the second threaded rod 7 to rotate inside the mounting frame 14, and drives the outer peripheral surface of the movable plate 11 to move up and down in a straight line along with the second threaded rod 7, thereby adjusting the height of the tool holder.

[0027] Specifically, two sets of slide grooves 13 are relatively opened on the inner side of the support frame 6, and the inner wall of the slide groove 13 is slidably connected with the outer side of the corresponding slider 12. The advantage is that when the movable plate 11 is adjusted in height on the outer peripheral surface of the second threaded rod 7, the movable plate 11 drives the slider 12 to slide inside the slide groove 13, thereby increasing the stability of the height adjustment of the movable plate 11.

[0028] Specifically, a fixing bolt is installed through the thread on the top of the tool assembly installation frame 15. The advantage is that the tool assembly is inserted into the tool assembly installation frame 15, and then the fixing bolt is rotated so that the fixing bolt fixes the tool assembly, thereby realizing rapid installation and disassembly of the tool assembly.

[0029] When in use, first, through multiple groups of mounting plates 2, it is convenient for the mounting plate 2 to drive the entire device to be installed on the machine tool, rotate the first rotating block 3, so that the first rotating block 3 rotates and drives the first threaded rod 4 to rotate, driving the movable plate 5 on the outer circumference of the first threaded rod 4 to move on the outer circumference of the first threaded rod 4, so that the movable plate 5 drives the support frame 6 to make a horizontal linear motion, adjust the position of the tool holder, and improve the applicability of the device, rotate the second rotating block 8, so that the second rotating block 8 drives the umbrella-shaped driving wheel group 10 to rotate, drives the umbrella-shaped rotating wheel group 9 to rotate and drives the second threaded rod 7 to rotate inside the mounting frame 14, and drives the movable plate 11 on the outer circumference to make a linear motion up and down with the second threaded rod 7. At the same time, the movable plate 11 drives the slider 12 to slide in the slide groove 13, thereby adjusting the height of the tool holder and increasing the stability of the height adjustment of the movable plate 11, insert the turning tool assembly into the tool assembly mounting frame 15, and then rotate the fixing bolt so that the fixing bolt fixes the turning tool assembly, so as to realize the rapid installation and disassembly of the turning tool assembly.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable machine tool tool rest, comprising a mounting base (1), characterized in that: A plurality of mounting plates (2) are mounted on the side of the mounting base (1), and a first rotating block (3) is arranged on the other side. A first threaded rod (4) is connected to the inner side of the first rotating block (3) via a bearing. A movable plate (5) is installed through a thread on the outer circumference of the first threaded rod (4). A support frame (6) is fixedly installed on the top of the movable plate (5). A second threaded rod (7) is rotatably mounted inside the support frame (6), and a second rotating block (8) is rotatably mounted on the side. An umbrella-shaped rotating wheel group (9) is fixedly mounted on the outer circumference of the second threaded rod (7). An umbrella-shaped driving wheel group (10) is connected to the inner side of the second rotating block (8) via a bearing. A movable plate (11) is installed through a thread on the side of the outer circumference of the second threaded rod (7) away from the umbrella-shaped rotating wheel group (9). Slide blocks (12) are fixedly installed on the top of both sides of the movable plate (11). The top of the side of the slide block (12) is fixedly connected to a mounting frame (14). A knife assembly mounting frame (15) is fixedly installed on the top of the mounting frame (14).

2. The height-adjustable machine tool tool rest according to claim 1, characterized in that: A group of movable plates (5) are installed through threads on the outer peripheral surface of the first threaded rod (4).

3. The height-adjustable machine tool turret according to claim 1, characterized in that: The gear end of the umbrella-shaped driving wheel set (10) is meshed with the gear end of the umbrella-shaped rotating wheel set (9).

4. The height-adjustable machine tool tool rest according to claim 1, characterized in that: Two sets of slide grooves (13) are provided on the inner side of the support frame (6) opposite to each other, and the inner walls of the slide grooves (13) are slidably connected to the outer sides of the corresponding sliding blocks (12).

5. The height-adjustable machine tool tool rest according to claim 1, characterized in that: A fixing bolt is installed through a thread on the top end of the knife assembly installation frame (15).