Locking device for machine tool workbench

By combining a locking column, an adjusting column, a worm gear, and a motor drive, the problem of loosening of the machine tool worktable locking device is solved, automatic locking is achieved, and machining accuracy and safety are improved.

CN224026985UActive Publication Date: 2026-03-24SHENZHEN XINYATAI MASCH EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

During use, the screw of the existing machine tool worktable locking device is prone to loosening, which can cause the worktable to shift or vibrate, affecting machining accuracy and safety.

Method used

It adopts a combination structure of locking pin, adjusting pin, worm gear and motor drive. The motor starts and drives the gear to rotate. The gear and the gear plate cooperate to realize the automatic adjustment and positioning of the locking pin and prevent loosening.

Benefits of technology

The automatic locking of the worktable prevents loosening, improves processing accuracy and safety, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of machine tool workbenches, and discloses a locking device for a machine tool workbench, which comprises a base, the top of the base is provided with a butt joint groove, the bottom of the butt joint groove is provided with four positioning grooves, the four positioning grooves are annularly and uniformly arranged, and the interiors of the four positioning grooves are all slidably connected with positioning columns. The tops of the four positioning columns are fixedly connected with the same butt joint disc, a T-shaped groove is formed in the top of the butt joint disc, a T-shaped disc is rotationally connected into the T-shaped groove, a workbench is fixedly connected to the top of the T-shaped disc, a rotating mechanism used for rotating the workbench is arranged on the surface of the T-shaped disc, and lock holes are formed in the surfaces of the sides, away from the T-shaped disc, of the four positioning columns. The interiors of the four lock holes are slidably connected with lock columns, the four lock columns are slidably connected to one side of the interior of the positioning groove, and the bottoms of the sides, away from the positioning groove, of the four lock columns are provided with adjusting mechanisms used for adjusting the lock columns. According to the utility model, through the arrangement of the lock column, the phenomenon that the workbench is loosened in the use process can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool workstation technical field especially relates to a locking device for machine tool workstation. BACKGROUND

[0002] The locking device for machine tool workstation refers to a kind of equipment for ensuring that machine tool workstation is fixed during processing process, this device is generally composed of locking mechanism and support structure, to prevent the displacement or vibration of workstation during operation, so as to ensure the machining accuracy and safety.Locking device design generally needs to consider work load, environmental factors and operation convenience, effective locking mechanism not only improves the machining efficiency of machine tool, but also prolongs the service life of equipment, is the indispensable important component in machine tool design.

[0003] However, when some existing locking devices for machine tool workstation are set, positioning holes are usually opened in the side of the workstation, and then threaded rods are inserted to achieve the purpose of locking the workstation, but this fixing method is mostly manual operation, which causes the threaded rods to loosen during the use of the workstation, affecting the normal use of the machine tool, therefore, the problem needs to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a locking device for machine tool workstation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A locking device for machine tool workstation, comprising a base, the base top is provided with a butt joint groove, the butt joint groove bottom is provided with four positioning grooves, and the four positioning grooves are evenly arranged in a ring shape, four positioning grooves are internally and slidably connected with positioning columns, four positioning columns are fixedly connected with a butt joint disc at the top, the butt joint disc top is provided with a T-shaped groove, the T-shaped groove is internally and rotatably connected with a T-shaped disc, the T-shaped disc top is fixedly connected with a workstation, the T-shaped disc surface is provided with a rotating mechanism for rotating the workstation, four positioning columns are provided with lock holes on the surface away from the T-shaped disc, four lock holes are internally and slidably connected with lock columns, and four lock columns are slidably connected to one side of the positioning groove, four lock columns are provided with adjusting mechanisms for adjusting lock columns on the bottom away from the positioning groove, the setting of lock column can avoid the loosening phenomenon of workstation during use.

[0007] As a further scheme of the utility model, the rotating mechanism comprises a worm gear, the worm gear is sleeved on the surface of the T-shaped disc, a worm is matched with the surface of the worm gear, the worm is rotationally connected to one side of the inside of the docking disc, a limiting groove is formed in one end of the worm, a rotating mechanism for rotating the worm is arranged in the limiting groove, and the workbench can be rotated through the arrangement of the worm gear.

[0008] As a further scheme of the utility model, the rotating mechanism comprises a rotating shaft, the rotating shaft is arranged in the inside of the base, a limiting column is fixedly connected to the end of the side of the rotating shaft close to the limiting groove, the limiting column is slidingly connected to the inside of the limiting groove, an adjusting disc is fixedly connected to the end of the side of the rotating shaft away from the limiting groove, a tension spring is fixedly connected to the surface of the side of the adjusting disc close to the base, the surface of the rotating shaft is sleeved with the tension spring, a limiting disc is fixedly connected to the other end of the tension spring, and the limiting disc is rotationally connected to one side of the base.

[0009] As a further scheme of the utility model, the adjusting mechanism comprises a toothed disc, the toothed disc is rotationally connected to the inside of the base, an adjusting groove is formed in the top of the side of the toothed disc close to the lock column, an adjusting column is slidingly connected to the inside of the adjusting groove, the adjusting column is fixedly connected to the bottom of the lock column, a gear is matched with the surface of the toothed disc, a motor is fixedly connected to the top of the gear, and the motor is fixedly connected to the inside of the base.

[0010] The utility model discloses the beneficial effect is:

[0011] 1. The utility model discloses a technical scheme that the workbench is constrained through the lock column, so the phenomenon that the workbench appears loose in the process of using can be avoided, thereby effectively solve the problem that the positioning hole is formed in the side of the workbench, then the screw rod is inserted, so that the workbench is locked, but the fixing mode is mostly manual operation, so that the screw rod is prone to loose in the process of using the workbench, which affects the normal use of the machine tool, the gear is installed on the output shaft of the motor, and the gear is matched with the toothed disc in the inside of the base, so that when the motor starts, the toothed disc rotates synchronously, the adjusting groove is formed in the top of the toothed disc, and the adjusting groove is matched with the adjusting column at the bottom of the lock column, because of the shape of the adjusting groove, when the toothed disc drives the adjusting groove to rotate, the adjusting groove can adjust the adjusting column, so that the lock column is moved, and the lock column after moving enters the inside of the positioning column, so that the workbench is constrained. ACCURACY OF DRAWINGS

[0012] Figure 1 The utility model proposes a whole structure schematic view of locking device for machine tool workbench;

[0013] Figure 2 A cross-sectional structure schematic view of the locking device for the machine tool workbench is provided for the utility model.

[0014] Figure 3 An adjusting mechanism schematic view of the locking device for the machine tool workbench is provided for the utility model.

[0015] Figure 4 A rotating mechanism schematic view of the locking device for the machine tool workbench is provided for the utility model.

[0016] In the drawing: 1, base; 2, workbench; 101, butt joint groove; 102, positioning groove; 103, lock column; 104, adjusting column; 105, toothed disc; 106, adjusting groove; 107, motor; 108, gear; 201, butt joint disc; 202, positioning column; 203, lock hole; 204, T-shaped groove; 205, T-shaped disc; 206, worm wheel; 207, worm; 208, limiting groove; 209, limiting column; 210, rotating shaft; 211, limiting disc; 212, tension spring; 213, adjusting disc. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] Reference Figure 1 - Figure 4 A locking device for a machine tool workbench, comprising a base 1, the top of the base 1 is provided with a butt joint groove 101, the bottom of the butt joint groove 101 is provided with four positioning grooves 102, and the four positioning grooves 102 are evenly arranged in a ring shape, and each of the four positioning grooves 102 is slidably connected with a positioning column 202, the top of each of the four positioning columns 202 is fixedly connected with a butt joint disc 201, the top of the butt joint disc 201 is provided with a T-shaped groove 204, the T-shaped groove 204 is rotatably connected with a T-shaped disc 205, the top of the T-shaped disc 205 is fixedly connected with a workbench 2, the T-shaped disc 205 can rotate the workbench 2, the surface of the T-shaped disc 205 is provided with a rotating mechanism for rotating the workbench 2, the surface of each of the four positioning columns 202 away from the T-shaped disc 205 is provided with a lock hole 203, each of the four lock holes 203 is slidably connected with a lock column 103, and each of the four lock columns 103 is slidably connected to one side of the positioning groove 102, and the bottom of each of the four lock columns 103 away from the positioning groove 102 is provided with an adjusting mechanism for adjusting the lock column 103, and the lock column 103 can avoid the loosening of the workbench 2 during use.

[0019] Preferably, the rotating mechanism comprises a worm wheel 206 sleeved on the surface of the T-shaped disc 205, the surface of the worm wheel 206 is matched with a worm 207, the worm 207 is rotatably connected to one side of the inside of the docking disc 201, a limiting groove 208 is formed at one end of the worm 207, a rotating mechanism for rotating the worm 207 is arranged in the limiting groove 208, and the workbench 2 can be rotated through the arrangement of the worm wheel 206.

[0020] Further, the rotating mechanism comprises a rotating shaft 210 arranged in the base 1, the rotating shaft 210 is fixedly connected with a limiting column 209 at one side end close to the limiting groove 208, the limiting column 209 is slidably connected in the limiting groove 208, the rotating shaft 210 is fixedly connected with an adjusting disc 213 at one side end away from the limiting groove 208, the adjusting disc 213 is fixedly connected with a tension spring 212 on one side surface close to the base 1, the tension spring 212 is sleeved on the surface of the rotating shaft 210, the limiting column 209 can be constrained through the arrangement of the tension spring 212, the other end of the tension spring 212 is fixedly connected with a limiting disc 211, and the limiting disc 211 is rotatably connected to one side of the base 1. Through the arrangement of the limiting column 209, the worm 207 can be rotated.

[0021] Preferably, the adjusting mechanism comprises a toothed disc 105 rotatably connected to the inside of the base 1, an adjusting groove 106 is formed at the top of one side of the toothed disc 105 close to the lock column 103, an adjusting column 104 is slidably connected in the adjusting groove 106, the adjusting column 104 is fixedly connected to the bottom of the lock column 103, a gear 108 is matched with the surface of the toothed disc 105, the adjusting column 104 can be adjusted through the arrangement of the toothed disc 105, the top of the gear 108 is fixedly connected with a motor 107, and the motor 107 is fixedly connected to the inside of the base 1. Through the arrangement of the adjusting column 104, the lock column 103 can be adjusted.

[0022] Working principle: when using, the docking disc 201 at the bottom of the workbench 2 is docked with the docking groove 101 at the top of the base 1, the positioning groove 102 is opened in the inside of the docking groove 101, and the positioning groove 102 is matched with the positioning column 202 at the bottom of the docking disc 201, when the positioning column 202 is docked with the positioning groove 102, the motor 107 can be started, the gear 108 is installed on the output shaft of the motor 107, and the gear 108 is matched with the toothed disc 105 inside the base 1, so that when the motor 107 is started, the toothed disc 105 rotates synchronously, the adjusting groove 106 is opened at the top of the toothed disc 105, and the adjusting groove 106 is matched with the adjusting column 104 at the bottom of the lock column 103, because of the shape of the adjusting groove 106, when the toothed disc 105 drives the adjusting groove 106 to rotate, the adjusting groove 106 can adjust the adjusting column 104, so that the lock column 103 is driven to move, the moved lock column 103 enters the inside of the positioning column 202, so that the purpose of restraining the workbench 2 is achieved, the T-shaped disc 205 is installed at the bottom of the workbench 2, and the T-shaped disc 205 rotates in the inside of the docking disc 201, the worm gear 206 is matched on the surface of the T-shaped disc 205, and the worm gear 206 is matched with the worm 207 in the inside of the docking disc 201, the limiting groove 208 is opened on one side of the worm 207, when the docking disc 201 is installed in place, the limiting column 209 inside the base 1 is inserted into the inside of the limiting groove 208, because the limiting column 209 is matched with the limiting groove 208, when the limiting column 209 is inserted, the worm 207 can be rotated, so that the purpose of angle adjustment of the workbench 2 is achieved.

[0023] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A locking device for a machine tool table comprising a base (1), characterised in that, The base (1) top is provided with a butt joint groove (101), the butt joint groove (101) bottom is provided with four positioning grooves (102), and four positioning grooves (102) are evenly arranged in the form of a ring, four positioning grooves (102) are internally and slidably connected with positioning columns (202), four positioning columns (202) are fixedly connected with the same butt joint disc (201) on the top, the butt joint disc (201) top is provided with a T-shaped groove (204), the T-shaped groove (204) is rotatably connected with a T-shaped disc (205), the T-shaped disc (205) top is fixedly connected with a workbench (2), the T-shaped disc (205) surface is provided with a rotating mechanism for rotating the workbench (2), four positioning columns (202) are provided with lock holes (203) on the surface away from the T-shaped disc (205) side, four lock holes (203) are internally and slidably connected with lock columns (103), and four lock columns (103) are slidably connected to one side inside the positioning groove (102), four lock columns (103) are provided with adjusting mechanisms for adjusting the lock column (103) on the bottom away from the positioning groove (102) side.

2. The locking device for a machine tool table according to claim 1, characterized in that, The rotating mechanism comprises a worm gear (206), the worm gear (206) is sleeved on the surface of the T-shaped disc (205), the surface of the worm gear (206) is matched with a worm (207), the worm (207) is rotatably connected to one side inside the butt joint disc (201), one end of the worm (207) is provided with a limiting groove (208), and the limiting groove (208) is provided with a rotating mechanism for rotating the worm (207).

3. The locking device for a machine tool table according to claim 2, characterized in that, The rotating mechanism comprises a rotating shaft (210), the rotating shaft (210) is arranged inside the base (1), and the end of the rotating shaft (210) close to the limiting groove (208) is fixedly connected with a limiting column (209), and the limiting column (209) is slidably connected inside the limiting groove (208).

4. The locking device for a machine tool table according to claim 3, characterized in that, The end of the rotating shaft (210) away from the limiting groove (208) is fixedly connected with an adjusting disc (213), the adjusting disc (213) is fixedly connected with a tension spring (212) on the surface close to one side of the base (1), the tension spring (212) is sleeved on the surface of the rotating shaft (210), the other end of the tension spring (212) is fixedly connected with a limiting disc (211), and the limiting disc (211) is rotatably connected to one side of the base (1).

5. The locking device for a machine tool table according to claim 1, characterized in that, The adjusting mechanism comprises a toothed disc (105), the toothed disc (105) is rotatably connected inside the base (1), the toothed disc (105) is provided with an adjusting groove (106) on the top close to one side of the lock column (103), and the adjusting groove (106) is slidably connected with an adjusting column (104).

6. The locking device for a machine tool table according to claim 5, characterized in that, The adjusting column (104) is fixedly connected to the bottom of the lock column (103), the surface of the toothed disc (105) is matched with a gear (108), the gear (108) top is fixedly connected with a motor (107), and the motor (107) is fixedly connected inside the base (1).