CN209503540U - A high-precision milling machine turntable fixture device - Google Patents

Abstract

The utility model discloses a kind of high-accuracy milling machine turntable clamping devices, for carrying out Machining of Curved Surface to workpiece, including pedestal, runner assembly and symmetrically arranged two workpiece fixation kit, the pedestal is open-topped cylindrical structure, the runner assembly is set in pedestal, and the workpiece fixation kit is set on runner assembly.Runner assembly is arranged in the utility model in the base, and workpiece fixation kit is arranged on runner assembly, is rotated by runner assembly and drives the rotation of workpiece fixation kit, and then rotates workpiece, and structure is simple, at low cost, and is conducive to dismounting, maintenance, high in machining efficiency.

Description

A high-precision milling machine turntable fixture device

technical field

The utility model relates to the field of mechanical processing, in particular to a high-precision milling machine turntable fixture device.

Background technique

In the prior art, when a hand-operated milling machine processes a workpiece, it can only fix the workpiece to perform linear motion processing. For some workpieces that require curved surface processing, the curved surface processing cannot be performed when the workpiece moves linearly. Therefore, the existing manual There are deficiencies in the processing of workpieces by rotary milling machines, which cannot meet the processing of curved surfaces of workpieces.

Therefore, there are defects in the prior art and need to be improved.

Utility model content

The technical problem to be solved by the utility model is to provide a high-precision milling machine turntable fixture device with stable structure, simple operation and high processing efficiency.

The technical scheme of the utility model is as follows: a high-precision milling machine turntable fixture device for processing curved surfaces of workpieces, including a base, a rotating assembly, and two symmetrically arranged workpiece fixing assemblies, the base is a cylindrical structure with an open top , the rotating assembly is arranged in the base, and the workpiece fixing assembly is arranged on the rotating assembly;

The rotating assembly includes: a turntable, a disk gear, a side gear, and a connecting rod. A support column is provided at the bottom of the turntable, and the bottom of the support column is in contact with the base. The disk gear is sleeved and fixed on the support column. The side gear meshes vertically with the disk gear, and the connecting rod is arranged on the side wall of the base and connected with the side gear;

The fixing assembly includes: a spacer, a pressure block, and a screw assembly, the spacer is arranged on the top surface of the turntable, the first end of the pressure block is pressed on the spacer, and the second end of the pressure block is pressed On the workpiece, the bottom of the screw assembly is connected to the turntable, and the top of the screw assembly is connected to the middle of the pressing block.

With the above technical solution, in the high-precision milling machine turntable fixture device, a number of parallel T-shaped slots are arranged on the top of the turntable, and the bottom of the screw assembly is arranged on a T-shaped block adapted to the T-shaped slots.

By adopting the above technical solutions, in the high-precision milling machine turntable fixture device, the top of the base is provided with a gland for restricting the turntable from moving up and down.

By adopting the above-mentioned technical solutions, in the high-precision milling machine turntable fixture device, a plurality of steps are provided on the side top surface of the raising block close to the workpiece.

By adopting each of the above technical solutions, in the high-precision milling machine turntable fixture device, the bottom of the support column is sleeved with a bearing, and the bearing is connected to the base.

By adopting the above technical solutions, in the high-precision milling machine turntable fixture device, the end of the connecting rod is further provided with a hand wheel.

By adopting the above-mentioned technical solutions, the utility model is provided with a rotating assembly in the base, and a workpiece fixing assembly is arranged on the rotating assembly, and the rotating assembly drives the workpiece fixing assembly to rotate, thereby making the workpiece rotate. The structure is simple, the cost is low, and it is convenient for disassembly and assembly. Maintenance, high processing efficiency.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the explosion structure of the utility model;

Fig. 3 is a schematic diagram of the base structure of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.

This embodiment provides a high-precision milling machine turntable fixture device for processing curved surfaces of workpieces, including a base 1, a rotating assembly, and two symmetrically arranged workpiece fixing assemblies. The base 1 is a cylindrical structure with an open top. The rotating assembly is arranged in the base 1, and the workpiece fixing assembly is arranged on the rotating assembly.

The rotating assembly includes: a turntable 21, a turntable gear 24, a side gear 25, and a connecting rod 22. The bottom of the turntable 21 is provided with a support column, and the bottom of the support column is in contact with the base 1. The turntable gear 24 is sleeved Fixed on the support column, the side gear 25 is vertically meshed with the disk gear 24 , and the connecting rod 22 is arranged on the side wall of the base 1 and connected with the side gear 25 .

The fixing assembly includes: a riser block 31, a pressure block 32, and a screw assembly 33. The riser block 31 is arranged on the top surface of the turntable 21, and the first end of the pressure block 32 is pressed on the riser block 31, so that The second end of the pressing block 32 is pressed on the workpiece, the bottom of the screw assembly 33 is connected to the turntable 21 , and the top of the screw assembly 33 is connected to the middle of the pressing block 32 .

As shown in Figures 1 to 3, in this implementation, the base 1 is cylindrical with an open top, and fixed ears 12 are arranged on both sides of the base, and the fixed ears 12 are fixed to the milling machine, and the rotating assembly is arranged in the base 1 to rotate. The rotating assembly is provided with a turntable 21 , a turntable gear 24 , a side gear 25 , and a connecting rod 22 . The bottom of the turntable 21 is provided with a support column, and the support column abuts against the base 1 . The disc gear 24 is fixed on the support column and meshes with the side gear 25. One end of the connecting rod 22 is connected to the side gear 25, and the other end of the connecting rod 22 is located outside the base 1. Rotating the connecting rod 22 can make the turntable 21 rotate.

Two symmetrical workpiece fixing assemblies are arranged on the turntable 21, and the workpiece fixing assemblies are used to fix the workpiece. The workpiece fixing assembly rotates with the turntable 21, and the workpiece also rotates, so that the milling machine can process the curved surface of the workpiece. Specifically, the height block 31 of the workpiece fixing assembly is arranged on the turntable 21, the first end of the pressure block 32 presses the height block 31, the second end of the pressure block 32 presses the workpiece, and the bottom of the screw assembly 33 is connected with the turntable 21, The top of the screw assembly 33 is connected to the middle of the pressing block 32 . Tighten the screw assembly 33 and press down the briquetting block 32 to fix the workpiece, unscrew the screw assembly 33 and release the briquetting block 32 upwards to replace the workpiece.

Further, as shown in Figures 1 and 2, in order to quickly disassemble the screw assembly 33, the top of the turntable 21 is provided with several parallel T-shaped slots 211, and the bottom of the screw assembly 33 is provided with T-shaped slots 211 suitable for The matching T-shaped block, the T-shaped block at the bottom of the screw assembly 33 slides into the T-shaped groove 211, and the screw assembly 33, the turntable 21 and the pressing block 32 can be fixed.

Further, as shown in FIG. 1 and FIG. 2 , in order to ensure that the turntable 21 is stably fixed in the base 1 , the top of the base 1 is provided with a gland 11 for restricting the up and down movement of the turntable 21 .

Further, as shown in FIG. 1 and FIG. 2 , in order to ensure that the workpiece fixing assembly can adapt to workpieces of different sizes, the riser block 31 is provided with several steps 311 near the side top surface of the workpiece. When the size of the workpiece is larger, the first end of the pressing block 32 is pressed on the higher step 311 , and when the size of the workpiece is smaller, the first end of the pressing block 32 is pressed on the shorter step 311 .

Further, as shown in FIG. 2 , in order to ensure good rotation capability of the support column, a bearing 26 is sheathed at the bottom of the support column, and the bearing 26 is connected to the base 1 .

Further, as shown in FIG. 1 and FIG. 2 , in order to facilitate the rotation of the connecting rod 22 , a hand wheel 23 is provided at the end of the connecting rod 22 .

Further, as shown in FIG. 1 and FIG. 2 , in order to ensure that workpieces of different sizes can be applied, a vertically penetrating chute 321 is provided on the pressing block 32 , and the top of the screw assembly 33 is set in the chute 321 . When the size of the workpiece is large, slide the screw assembly 33 to the end of the chute 321 away from the workpiece; when the size of the workpiece is small, slide the screw assembly 33 to the end of the chute 321 close to the workpiece.

Further, in order to facilitate the rotation of the side gear 25 , a groove 13 is provided on the base 1 , and the bottom of the side gear 25 is located in the groove 13 .

By adopting the above-mentioned technical solutions, the utility model is provided with a rotating assembly in the base, and a workpiece fixing assembly is arranged on the rotating assembly, and the rotating assembly drives the workpiece fixing assembly to rotate, thereby making the workpiece rotate. The structure is simple, the cost is low, and it is convenient for disassembly and assembly. Maintenance, high processing efficiency.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (7)

1. A high-precision milling machine turntable fixture device is used to process workpieces on curved surfaces, and is characterized in that: it includes a base, a rotating assembly, and two workpiece fixing assemblies that are arranged symmetrically, and the base is a cylindrical structure with an open top, so The rotating assembly is arranged in the base, and the workpiece fixing assembly is arranged on the rotating assembly; The rotating assembly includes: a turntable, a disk gear, a side gear, and a connecting rod. A support column is provided at the bottom of the turntable, and the bottom of the support column is in contact with the base. The disk gear is sleeved and fixed on the support column. The side gear meshes vertically with the disk gear, and the connecting rod is arranged on the side wall of the base and connected with the side gear; The fixing assembly includes: a spacer, a pressure block, and a screw assembly, the spacer is arranged on the top surface of the turntable, the first end of the pressure block is pressed on the spacer, and the second end of the pressure block is pressed On the workpiece, the bottom of the screw assembly is connected to the turntable, and the top of the screw assembly is connected to the middle of the pressing block. 2. The high-precision milling machine turntable fixture device according to claim 1, characterized in that: the top of the turntable is provided with several parallel T-shaped slots, and the bottom of the screw assembly is arranged on a T-shaped block fitted with T-shaped slots . 3. The high-precision milling machine turntable fixture device according to claim 1, characterized in that: the top of the base is provided with a gland for restricting the turntable from moving up and down. 4. The high-precision milling machine turntable fixture device according to claim 1, characterized in that: the side top surface of the raising block close to the workpiece is provided with several steps. 5. The high-precision milling machine turntable fixture device according to claim 1, characterized in that: the bottom of the support column is covered with a bearing, and the bearing is connected to the base. 6. The high-precision milling machine turntable fixture device according to claim 1, characterized in that: the end of the connecting rod is also provided with a hand wheel. 7. The high-precision milling machine turntable fixture device according to claim 1, wherein the pressing block is provided with a vertically penetrating chute, and the top of the screw assembly is arranged in the chute.