Stable auxiliary device for machining

By designing a stable auxiliary device for CNC lathes, the combination of limiting mechanism and thread sleeves solves the safety hazards of the tool breaking away from the installation groove due to the impact of the tool during cutting, achieving higher stability and safety .

CN222520012UActive Publication Date: 2025-02-25SHAANXI JIETAI INTELLIGENT TRANSMISSION CO LTD
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Patent Information

Application Number
CN202421262630.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-25
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The tool fixing devices of existing CNC lathes are prone to cause the tool handle to break off from the installation groove during cutting, which poses safety hazards.

Method used

A stable auxiliary device is designed, including a tool holder, a mounting groove, a first nut, a position limiting mechanism, etc. By placing the tool into the installation groove and tightening the first nut to fix it, the tool holder is prevented from breaking out of the installation groove by using a limiting mechanism (including through grooves, sliders, beveled baffles, etc.).

Benefits of technology

It effectively avoids the risk of the tool shank breaking away from the installation groove when hitting the knife, improves the stability and safety of the tool, and increases the stability of the second nut through the threaded sleeve to avoid loosening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stable type auxiliary device for machining, which comprises a tool rest, the two sides of the tool rest are respectively provided with an installation groove, a tool is placed in the installation grooves, a first nut is screwed to abut against the top of the tool for fixation, and relative limiting can be carried out through the connection relation between a connecting block and a second nut by rotating the second nut. The connecting block pushes the sliding block to move up and down, the sliding block is pushed to drive the slope baffle to extrude the cutter handle of the mounting groove for limiting, and the cutter handle is prevented from being separated from the mounting groove and flying out to hurt people during cutter collision. And a third nut is screwed to abut against the cooling liquid spray head for fixing, and the situation that chippings generated during cutting collide with the cooling liquid spray head and deviate, the spraying position is affected, and the cooling effect is reduced is avoided.
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Description

Technical Field

[0001] The utility model belongs to the technical direction of mechanical processing, and specifically relates to a stable auxiliary device for mechanical processing. Background Art

[0002] CNC lathe is one of the most widely used CNC machine tools at present. It is mainly used for cutting and processing of inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of arbitrary cone angles, complex rotating inner and outer curved surfaces, and cylindrical and conical threads, and can perform grooving, drilling, reaming, reaming and boring, etc. CNC machine tools automatically process the parts to be processed according to the pre-compiled processing program. We compile the processing route, process parameters, tool motion trajectory, displacement, cutting parameters and auxiliary functions of the parts into a processing program sheet according to the instruction code and program format specified by the CNC machine tool, and then record the contents of this program sheet on the control medium, and then input it into the CNC device of the CNC machine tool, so as to command the machine tool to process parts. CNC lathes are widely used, and the tool fixing device inside the CNC lathe is a device that fixes the tool and stabilizes the tool.

[0003] The prior art, such as publication number: CN209520373U, proposes a technical solution:

[0004] The invention comprises a rotary tool seat and a support mounting plate, wherein the rotary tool seat and the support mounting plate are fixedly connected by a support column, and the support mounting plate is arranged on the upper part of the rotary tool seat, and an adjusting sleeve is evenly inserted on the top of the support mounting plate, and the adjusting sleeve passes through the support mounting plate, and an adjusting gear is sleeved on the outer wall of the adjusting sleeve, and the adjusting gear is arranged on the upper part of the support mounting plate, and a fixing screw is connected to the bottom end of the adjusting gear by a thread, and a limiting clamping plate is installed between the fixing screws, and a buffer pressure plate is arranged on the bottom end of the fixing screw, and a positioning tool holder is evenly arranged on the top of the rotary tool seat, and the inner cavity of the positioning tool holder is evenly inserted There is a positioning partition, a positioning through slot is set on the top of the positioning tool holder, and the fixing screw passes through the positioning through slot and is staggered with the positioning partition, and the top of the support mounting plate is evenly provided with support brackets, a transmission worm is installed between the two groups of support brackets, and the transmission worm passes through the support bracket, the transmission worm is meshed with the adjusting gear, one end of the transmission worm is sleeved with a transmission gear, and a driving motor is evenly set on the top of the support mounting plate, the outer wall of the output shaft of the driving motor is sleeved with a driving gear, and the driving gear and the transmission gear are meshed with each other, and the driving motor is electrically connected to an external power supply through a control switch.

[0005] However, in actual use, since the existing technology usually fixes the top of the tool holder by a threaded rod, when the cutting amount is too large and the tool hits the tool during turning, the tool holder will fly out from the side of the mounting groove, which is dangerous. Therefore, an optimization is made to propose a stable auxiliary device for mechanical processing. Utility Model Content

[0006] The purpose of the utility model is to provide a stable auxiliary device for machining in view of the existing device, so as to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a stable auxiliary device for mechanical processing, comprising a tool holder, wherein mounting grooves are respectively provided on both sides of the tool holder, and two first nuts are respectively provided on both sides of the top of the tool holder above the mounting grooves on both sides, and the first nuts penetrate the top of the tool holder and extend to the inside of the mounting groove and are threadedly connected, and limiting mechanisms are provided on both sides of the tool holder.

[0008] The utility model further illustrates that the limiting mechanism includes two through grooves, which are respectively opened at two sides of the top of the tool holder, and the inner walls of the two through grooves are slidably connected with sliders, and the bottoms of the two sliders are respectively fixedly connected with inclined baffles. The slider is pushed to drive the inclined baffle to squeeze the knife handle of the mounting groove for limiting, so as to prevent the knife handle from flying out of the mounting groove and injuring people when the knife hits.

[0009] The utility model further illustrates that the tops of the two sliding blocks are respectively fixedly connected with connecting blocks, and the positions near the tops of the two sides of the tool holder are respectively fixedly connected with fixing blocks, and the tops of the two fixing blocks are respectively threadedly connected with second nuts through bearings, and the two second nuts respectively penetrate the upper connecting blocks and are threadedly connected, and the second nuts can be rotated to perform relative limiting through the connection relationship between the connecting block and the second nuts, so that the connecting block pushes the sliding block to move up and down.

[0010] The utility model further illustrates that the outer walls of the two second nuts are respectively threadedly connected with threaded sleeves at positions above the connecting block, and the second nuts can be more stable and prevented from loosening by tightening the threaded sleeves.

[0011] The utility model further illustrates that a fixing mechanism is provided near the top of the tool holder, and the fixing mechanism includes two mounting blocks, which are respectively fixedly mounted on a position near the top on the left side of the front side of the tool holder and a position near the top on the right side of the back side of the tool holder, and the ends of the two mounting blocks away from the tool holder are respectively fixedly connected with fixing rings, and the outer walls of the two groups of fixing rings are respectively provided with third nuts, and the two third nuts respectively penetrate the ring walls of the fixing rings and are threadedly connected, and the coolant nozzle is inserted into the fixing ring and the third nut is tightened to fix the coolant nozzle to prevent debris generated during cutting from colliding with the coolant nozzle and causing deviation, which affects the spraying position and reduces the cooling effect.

[0012] The utility model further describes that one end of the two third nuts inside the fixing ring is respectively fixedly connected with a rubber pad, and the rubber pad is arranged to prevent the third nut from being tightened with excessive force, thereby preventing damage to the coolant nozzle.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0014] (1) The tool is placed in the installation slot and the first nut is tightened to fix the tool against the top of the tool. The second nut can be rotated to limit the relative position through the connection relationship between the connecting block and the second nut, so that the connecting block pushes the slider to move up and down, and the slider drives the inclined baffle to squeeze the tool handle of the installation slot to limit the position, so as to prevent the tool handle from flying out of the installation slot and injuring people when the tool hits the tool. In addition, the second nut can be tightened to increase the stability of the second nut and prevent it from loosening.

[0015] (2) The coolant nozzle is inserted into the fixing ring and the third nut is tightened to fix the coolant nozzle to prevent the debris generated during cutting from colliding with the coolant nozzle and causing it to deviate, thereby affecting the spraying position and reducing the cooling effect. In addition, a rubber pad is provided to prevent the third nut from being tightened too hard and causing damage to the coolant nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is an enlarged view of A of the present utility model;

[0019] Figure 3 It is an enlarged view of B of the utility model;

[0020] In the figure: 1, tool holder; 2, mounting groove; 3, first nut; 4, limiting mechanism; 401, through groove; 402, slider; 403, inclined baffle; 404, connecting block; 405, fixing block; 406, second nut; 407, threaded sleeve; 5, fixing mechanism; 501, mounting block; 502, fixing ring; 503, third nut; 504, rubber pad. DETAILED DESCRIPTION

[0021] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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. Embodiment 1

[0022] See also Figure 1-3 The utility model provides a technical solution: a stable auxiliary device for mechanical processing, including a tool holder 1, mounting grooves 2 are respectively opened on both sides of the tool holder 1, two first nuts 3 are respectively arranged on both sides of the top of the tool holder 1 above the mounting grooves 2 on both sides, and the first nuts 3 penetrate the top of the tool holder 1 and extend to the inside of the mounting groove 2 and are threadedly connected, and a limiting mechanism 4 is arranged on both sides of the tool holder 1, and the limiting mechanism 4 includes two through grooves 401, and the two through grooves 401 are respectively opened at both sides of the top of the tool holder 1, and the inner walls of the two through grooves 401 are respectively slidably connected with sliders 402, and the bottoms of the two sliders 402 are respectively fixedly connected with inclined baffles 403, and the inclined baffles 403 are driven by pushing the slider 402 to squeeze the tool handle of the mounting groove 2 for limiting, so as to avoid collision with the tool. In order to prevent the knife handle from detaching from the mounting slot 2 and flying out to injure someone, the tops of the two sliders 402 are respectively fixedly connected with connecting blocks 404, and the positions near the top of the two sides of the knife holder 1 are respectively fixedly connected with fixing blocks 405, and the tops of the two fixing blocks 405 are respectively threadedly connected with second nuts 406 through bearings, and the two second nuts 406 respectively penetrate the upper connecting blocks 404 and are threadedly connected. The second nuts 406 can be rotated and the connection relationship between the connecting blocks 404 and the second nuts 406 can be used to limit the position relative to each other, so that the connecting block 404 pushes the slider 402 to move up and down, and the outer walls of the two second nuts 406 are respectively threadedly connected with threaded sleeves 407 at the positions above the connecting blocks 404. The stability of the second nuts 406 can be increased to prevent loosening by tightening the threaded sleeves 407.

[0023] In this embodiment, the tool is placed in the installation slot 2 and the first nut 3 is tightened to fix the tool on the top of the tool. The second nut 406 can be rotated to limit the connection between the connecting block 404 and the second nut 406, so that the connecting block 404 pushes the slider 402 to move up and down, and the slider 402 is pushed to drive the inclined baffle 403 to squeeze the tool handle in the installation slot 2 for limiting the position, so as to prevent the tool handle from falling out of the installation slot 2 and injuring people when the tool hits the tool, and the second nut 406 can be tightened to increase the stability of the second nut 406 to prevent loosening. Embodiment 2

[0024] See also Figure 1-3 , and on the basis of the first embodiment, a fixing mechanism 5 is provided near the top of the tool holder 1, and the fixing mechanism 5 includes two mounting blocks 501, and the two mounting blocks 501 are respectively fixedly installed at a position near the top of the left side of the front side of the tool holder 1 and a position near the top of the right side of the back side of the tool holder 1, and the ends of the two mounting blocks 501 away from the tool holder 1 are respectively fixedly connected with fixing rings 502, and the outer walls of the two groups of fixing rings 502 are respectively provided with third nuts 503, and the two third nuts 503 respectively penetrate the ring walls of the fixing rings 502 and are threadedly connected, and the coolant nozzle is inserted into the fixing ring 502, and the third nuts 503 are tightened to fix the coolant nozzle to avoid the debris generated during cutting from colliding with the coolant nozzle to cause deviation, affecting the spraying position and reducing the cooling effect, and the two third nuts 503 are respectively fixedly connected with rubber pads 504 at one end inside the fixing ring 502, and the rubber pads 504 are arranged to avoid excessive force when tightening the third nuts 503, thereby damaging the coolant nozzle.

[0025] In this embodiment, the coolant nozzle is inserted into the fixing ring 502, and the third nut 503 is tightened to fix the coolant nozzle to prevent debris generated during cutting from colliding with the coolant nozzle and causing it to deviate, thereby affecting the spraying position and reducing the cooling effect. In addition, a rubber pad 504 is provided to prevent the third nut 503 from being tightened with too much force, thereby causing damage to the coolant nozzle.

[0026] How it works

[0027] See also Figure 1-3When in use, the tool is placed in the installation slot 2 and the first nut 3 is tightened to fix the top of the tool. The second nut 406 can be rotated to limit the relative position through the connection relationship between the connecting block 404 and the second nut 406, so that the connecting block 404 pushes the slider 402 to move up and down, and the inclined baffle 403 is driven by pushing the slider 402 to squeeze the tool handle of the installation slot 2 for limiting, so as to prevent the tool handle from flying out of the installation slot 2 and injuring people when the tool hits the tool, and the stability of the second nut 406 can be increased by tightening the threaded sleeve 407 to prevent loosening, and the coolant nozzle is inserted into the fixing ring 502 and the third nut 503 is tightened to fix it against the coolant nozzle to prevent the debris generated during cutting from colliding with the coolant nozzle to cause deviation, affecting the spraying position and reducing the cooling effect, and the rubber pad 504 is set to prevent the third nut 503 from being tightened too hard to damage the coolant nozzle.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A stable auxiliary device for machining, comprising a tool holder (1), characterized in that: The tool holder (1) is provided with mounting grooves (2) on both sides, and two first nuts (3) are respectively provided on both sides of the top of the tool holder (1) at positions above the mounting grooves (2) on both sides, and the first nuts (3) penetrate the top of the tool holder (1) and extend to the inside of the mounting grooves (2) and are threadedly connected. Limiting mechanisms (4) are provided on both sides of the tool holder (1), and a fixing mechanism (5) is provided near the top of the tool holder (1). The fixing mechanism (5) comprises two mounting blocks (501), and the two mounting blocks (501) are respectively fixedly mounted at positions near the top on the left side of the front side of the tool holder (1) and at positions near the top on the right side of the back side of the tool holder (1). The ends of the two mounting blocks (501) away from the tool holder (1) are respectively fixedly connected with fixing rings (502), and the outer walls of the two sets of fixing rings (502) are respectively provided with third nuts (503), and the two third nuts (503) respectively penetrate the ring walls of the fixing rings (502) and are threadedly connected.

2. A stable auxiliary device for machining according to claim 1, characterized in that: The limiting mechanism (4) comprises two through grooves (401), the two through grooves (401) are respectively arranged at two sides of the top of the tool holder (1), the inner walls of the two through grooves (401) are respectively slidably connected to sliders (402), and the bottoms of the two sliders (402) are respectively fixedly connected to inclined baffles (403).

3. A stable auxiliary device for machining according to claim 2, characterized in that: The tops of the two sliding blocks (402) are respectively fixedly connected with connecting blocks (404), and positions close to the tops of both sides of the tool holder (1) are respectively fixedly connected with fixing blocks (405), and the tops of the two fixing blocks (405) are respectively threadedly connected with second nuts (406) through bearings, and the two second nuts (406) respectively penetrate the upper connecting blocks (404) and are threadedly connected.

4. A stable auxiliary device for machining according to claim 3, characterized in that: The outer walls of the two second nuts (406) are respectively threadedly connected with threaded sleeves (407) at positions above the connection block (404).

5. A stable auxiliary device for machining according to claim 1, characterized in that: One end of the two third nuts (503) located inside the fixing ring (502) is respectively fixedly connected to a rubber pad (504).

Citation Information

Patent Citations

  • Numerically-controlled lathe tool positioning and fixing device

    CN209520373U