Compact numerical control rotary table

Abstract

The utility model relates to a compact numerical control rotary table in the field of machining, which comprises a base, a transmission component, a driven component and a driving component. The driving assembly comprises a motor, a first belt wheel installed on the motor, a second belt wheel installed on the driven assembly and a belt connected with the first belt wheel and the second belt wheel, and the motor is installed on one side of the base in parallel through a fixing support. According to the utility model, the belt connection mode replaces the existing motor direct drive mode, so that the motor can be mounted on one side of the base in parallel, the occupied area of the numerical control turntable is reduced, and the practicability of the numerical control turntable is improved.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a compact numerical control turntable. Background Art

[0002] The CNC rotary table is an accessory installed on the original machine tool. It can further expand the processing range of the original machine tool and enable it to complete more complex processing tasks. The use of the CNC rotary table can increase the degree of freedom of the workpiece during the processing, improve the processing accuracy and efficiency. It can realize the complex processing of the workpiece, meet the processing requirements of various workpieces, improve production efficiency and reduce production costs.

[0003] The existing CNC turntable uses coupling connection or gear connection, and the motor needs to be installed vertically on one side of the base, which makes the entire CNC turntable larger in size and occupies a large area after being installed on the machine tool. As a result, the processing space of the machine tool is limited. Therefore, the utility model proposes a CNC turntable with a compact structure and a small occupied volume. Summary of the invention

[0004] The utility model provides a compact numerical control turntable to solve the problems mentioned in the above background technology.

[0005] The purpose of the utility model is achieved by the following methods:

[0006] A compact CNC turntable comprises a base, a transmission assembly, a driven assembly and a driving assembly, wherein the driving assembly comprises a motor, a first pulley mounted on the motor, a second pulley mounted on the driven assembly and a belt connecting the first pulley and the second pulley, and the motor is mounted parallel to one side of the base via a fixed bracket.

[0007] Furthermore, the driven assembly includes a worm, an end cover at one end of the worm, and a first bearing and a second bearing arranged at both ends of the worm, and the second pulley is fixed to the other end of the worm.

[0008] Furthermore, the transmission assembly includes an axis and a chuck, a front cover, a roller cam, a brake sleeve and a rear cover respectively cooperating with the axis from front to back, and the roller cam rotates the axis by cooperating with the worm.

[0009] Furthermore, the base is provided with a first through hole and a second through hole which are in communication with each other, and the first through hole and the second through hole are used for installing the shaft and the worm respectively.

[0010] Furthermore, the chuck is provided with a plurality of T-slots.

[0011] Furthermore, the chuck is provided with scale values.

[0012] Furthermore, the motor outer casing is provided with a protective cover.

[0013] The utility model replaces the existing direct-drive driving mode of the motor by a belt connection mode, so that the motor can be installed in parallel on one side of the base, thereby reducing the floor space occupied by the CNC turntable and improving the practicality of the CNC turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a compact CNC turntable of the utility model;

[0015] Figure 2 It is a first cross-sectional schematic diagram of a compact CNC turntable of the utility model;

[0016] Figure 3 It is a first cross-sectional schematic diagram of a compact CNC turntable of the utility model;

[0017] Figure 4 It is a partial enlarged view of the chuck in the utility model;

[0018] The reference numerals in the figure are: 1-base, 2-motor, 3-first pulley, 4-second pulley, 5-belt, 6-fixed bracket, 7-worm, 8-end cover, 9-first bearing, 10-second bearing, 11-axis, 12-chuck, 13-front cover, 14-third bearing, 15-first sleeve, 16-roller cam, 17-second sleeve, 18-fourth bearing, 19-brake sleeve, 20-rear cover, 21-first through hole, 22-second through hole, 23-T-slot, 24-scale value, 25-protective cover, 26-lock sleeve. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] In this embodiment, refer to Figure 1-Figure 4 The compact CNC turntable specifically implemented includes a base 1, a transmission assembly, a driven assembly and a driving assembly. The driving assembly includes a motor 2, a first pulley 3 installed on the motor 2, a second pulley 4 installed on the driven assembly, and a belt 5 connecting the first pulley 3 and the second pulley 4. The motor 2 is installed parallel to one side of the base 1 through a fixed bracket 6. The fixed bracket 6 is provided with a U-shaped hole so that the tightness of the belt 5 can be adjusted. The first pulley 3 and the second pulley 4 are fixed to the motor 2 and the transmission driven assembly respectively through a locking sleeve 26.

[0021] Furthermore, the driven assembly includes a worm 7 , an end cover 8 at one end of the worm 7 , and a first bearing 9 and a second bearing 10 provided at both ends of the worm 7 , and the second pulley 4 is fixed to the other end of the worm 7 .

[0022] Furthermore, both ends of the worm 7 are provided with step surfaces for fixing the first bearing 9 and the second bearing 10, and the first bearing 9 and the second bearing 10 are fixed to the worm 7 through the cooperation of the step surfaces with the second pulley 4 and the end cover 8. The worm 7 can only rotate in situ in the base 1.

[0023] Furthermore, the transmission assembly includes a shaft 11 and a chuck 12, a front cover 13, a third bearing 14, a first sleeve 15, a roller cam 16, a second sleeve 17, a fourth bearing 18, a brake sleeve 19 and a rear cover 20, which are respectively matched with the shaft 11 from front to back. The roller cam 16 rotates the shaft 11 by matching with the worm 7, and the chuck 12 is fixed to one end of the shaft 11 by screws.

[0024] Furthermore, the roller cam 16 is fixed to the shaft 11 by threads, so that the shaft 11 rotates with the rotation of the roller cam 16. The two ends of the roller cam 16 are respectively matched with the inner diameters of the third bearing 14 and the fourth bearing 18 through the first sleeve 15 and the second sleeve 17. The third bearing 14 and the fourth bearing 18 are passively rotated. The brake sleeve adopts an embracing brake, and the brake sleeve 19 is fixed to the rear cover 20 by threads. There is a gap between the inner diameter of the brake sleeve 19 and the shaft 11. When braking is required, the brake pads hold the main shaft tightly when the internal oil is supplied, so that the main shaft stops rotating. When the oil supply stops, the brake pads automatically release the main shaft.

[0025] Furthermore, the base 1 is provided with a first through hole 21 and a second through hole 22 which are connected to each other, and the first through hole 21 and the second through hole 22 are used to install the shaft 11 and the worm 7 respectively. The first through hole 21 and the second through hole 22 are both provided with step surfaces for fixing the bearings, and the first through hole 21 and the second through hole 22 are tightly matched with the outer diameter of the bearings, so that the bearings are firmly fixed in the first through hole 21 and the second through hole 22, and can rotate stably in the base 1.

[0026] Furthermore, the chuck 12 is provided with a plurality of T-slots 23 , and corresponding clamping tools can be installed according to different processing requirements, thereby achieving a turning and milling compound effect.

[0027] Furthermore, the chuck 12 is provided with a scale value 24 to facilitate accurate control of the rotation angle and position of the workpiece during operation.

[0028] Furthermore, a protective cover 25 is provided on the outer jacket of the motor 2 , and the protective cover 25 is used to protect the motor 2 and prevent dust, cutting fluid, etc. from entering the interior of the motor 2 and affecting the normal operation of the motor 2 .

[0029] The beneficial effect of the utility model is that the motor 2 is connected to the driven component by a pulley, so that the motor 2 can be installed in parallel on one side of the base 1, thereby reducing the overall volume of the CNC turntable, thereby improving the practicality of the CNC turntable.

[0030] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A compact CNC turntable, comprising a base (1), a transmission assembly, a driven assembly and a driving assembly, characterized in that: The driving assembly comprises a motor (2), a first pulley (3) mounted on the motor (2), a second pulley (4) mounted on the driven assembly, and a belt (5) connecting the first pulley (3) and the second pulley (4), wherein the motor (2) is mounted parallel to one side of the base (1) via a fixing bracket (6); the driven assembly comprises a worm (7), an end cover (8) at one end of the worm (7), and a first bearing (9) and a second bearing (10) arranged at both ends of the worm (7), wherein the second pulley is fixed to the other end of the worm; the transmission assembly comprises an axis (11), and a chuck (12), a front cover (13), a roller cam (16), a brake sleeve (19), and a rear cover (20) respectively matched with the axis (11) from front to back, wherein the roller cam (16) rotates the axis (11) by matching with the worm (7).

2. A compact CNC turntable according to claim 1, characterized in that: The base (1) is provided with a first through hole (21) and a second through hole (22) which are in communication with each other. The first through hole (21) and the second through hole (22) are used to mount the shaft (11) and the worm (7) respectively.

3. A compact CNC turntable according to claim 1, characterized in that: The chuck (12) is provided with a plurality of T-shaped slots (23).

4. A compact CNC turntable according to claim 1, characterized in that: The chuck (12) is provided with scale values ​​(24).

5. A compact CNC turntable according to claim 1, characterized in that: The outer casing of the motor (2) is provided with a protective cover (25).

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