CN204748132U - A fixture device that is used for a plurality of parts bore hole simultaneously - Google Patents

Abstract

Provided is a fixture device for simultaneous boring of multiple parts, including a bracket connected to a small pallet of a machine tool, and a plurality of workpiece clamping devices horizontally parallel to each other are provided on the bracket, and the plurality of workpiece clamping devices Multiple workpieces can be clamped at one time, and the tool installed on the machine tool spindle can continuously complete boring for multiple workpieces without disassembly. The utility model improves the efficiency of batch boring of machine tools, ensures reliable positioning of workpieces, guarantees machining accuracy of workpieces, has simple structure and is convenient to use.

Description

Fixturing device for simultaneous boring of multiple parts

technical field

The utility model belongs to the technical field of machine tool manufacturing, and in particular relates to a fixture device for simultaneous boring of multiple parts.

Background technique

Boring is one of the commonly used hole processing methods. Boring is to use tools to further process the drilled, cast or forged holes. Boring can be processed on a lathe, boring machine or milling machine. Among them, in the prior art, boring on a lathe is to clamp the workpiece on the lathe spindle, install the tool on the tool holder, and realize it through the rotation of the workpiece and the longitudinal and lateral feed movements of the tool. The operation is relatively convenient, but this This method can only process a single workpiece at a time, and requires constant disassembly and assembly of fixtures during mass production, which greatly reduces processing efficiency. Therefore it is necessary to propose improvements.

Utility model content

The technical problem solved by the utility model is to provide a fixture device for simultaneous boring of multiple parts. A plurality of workpiece clamping devices parallel to each other are arranged on the bracket and the bracket is fixed on the small pallet of the machine tool, wherein Multiple workpiece clamping devices can clamp multiple workpieces at one time, and the tool installed on the machine tool spindle can realize continuous boring processing of multiple workpieces without disassembly and assembly, which improves the efficiency of batch boring of the machine tool. The structure is simple and easy to use. convenient.

The technical solution adopted by the utility model: the fixture device used for simultaneous boring of multiple parts, including a bracket connected to the small pallet of the machine tool, the bracket is provided with a plurality of workpiece clamping devices horizontally parallel to each other, and the multiple A workpiece clamping device can clamp multiple workpieces at one time, and the tool installed on the machine tool spindle can continuously complete the boring process for multiple workpieces without disassembly.

Wherein, the workpiece clamping device includes a cylinder, a sliding shaft, a support seat, a workpiece pressing block, a workpiece disc and a support shaft, and a hole I is provided on one side of the bracket and a hole II is provided on the other side of the bracket. The connecting seat of the cylinder is fixed on one side of the bracket after passing through the hole I, one end of the supporting seat is fixed on the other side of the bracket after passing through the hole II, the other end of the supporting seat is provided with a workpiece plate, and the inside of the workpiece plate is provided with There is a support shaft, the cylinder is fixed on one end of the cylinder connecting seat and its piston rod extends into the inner hole of the cylinder connecting seat, and one end of the sliding shaft also extends into the inner hole of the other end of the cylinder connecting seat and can be inserted into the cylinder piston rod. The other end of the sliding shaft passes through the hole III in the center of the support seat and is fixedly connected with the workpiece pressing block. The lower end of the workpiece pressing block is adapted to the supporting shaft and can slide along the supporting shaft.

Further, the workpiece pressing block adopts a U-shaped structure, and both sides of the lower end surface of the workpiece pressing block are provided with arc-shaped chute, and the arc-shaped chute is adapted to the outer cylindrical surface of the support shaft and The workpiece can be pressed against the workpiece plate by sliding along the support shaft.

Further, the workpiece disc is provided with a tool relief hole.

The utility model has the advantages compared with the prior art:

1. By setting up multiple workpiece clamping devices horizontally parallel to each other on the bracket fixed on the small pallet, multiple workpiece clamping devices can clamp multiple workpieces at one time, and the tool installed on the machine tool spindle can be realized without dismantling. It can continuously carry out boring processing on multiple workpieces, improve the efficiency of batch boring of machine tools, simple structure and easy to use;

2. The cylinder is used to extend the piston rod to push the sliding shaft forward, and the sliding shaft pushes the workpiece pressing block to move along the supporting shaft, thereby pressing the workpiece on the workpiece plate to ensure reliable positioning of the workpiece and the machining accuracy of the workpiece boring;

3. A tool relief hole is set in the middle of the workpiece plate, and the tool passes through the tool relief hole to process the parts. The structure is simple and reasonable.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the structural front view of the present utility model;

Fig. 3 is the C-C sectional view of Fig. 2;

Fig. 4 is a structural schematic diagram of the workpiece pressing block in the utility model.

Detailed ways

Below in conjunction with accompanying drawing 1-4 describe embodiment of the present utility model.

The fixture device used for simultaneous boring of multiple parts includes a bracket 1 connected to the small pallet of the machine tool, wherein the bracket 1 preferably adopts a rectangular parallelepiped frame structure; as shown in Figures 1 and 2, the bracket 1 is provided with multiple mutual A horizontally parallel workpiece clamping device, specifically, the workpiece clamping device includes a cylinder 2, a sliding shaft 4, a support seat 5, a workpiece pressing block 6, a workpiece disc 7 and a support shaft 9, and the side plate of the bracket 1 There is a hole I101 on the top and a hole II102 on the other side plate. The cylinder connection seat 3 is fixed to one side of the bracket 1 by screws after passing through the hole I101, and one end of the support seat 5 is also fixed to the On the other side of the bracket 1, the other end of the support seat 5 is provided with a workpiece disc 7, and the workpiece disc 7 is provided with a tool relief hole 701, and the tool passes through the tool relief hole 701 to process the parts, and the structure is simple and reasonable , the inner side of the workpiece disk 7 is provided with a support shaft 9, the cylinder 2 is fixed on one end of the cylinder connecting seat 3 by screws and its piston rod extends into the inner hole of the cylinder connecting seat 3, and one end of the sliding shaft 4 is also Extend into the inner hole of the other end of the cylinder connection seat 3, and the sliding shaft 4 can slide under the push of the piston rod of the cylinder 2, and the other end of the sliding shaft 4 passes through the hole III501 in the center of the support seat 5 and presses it with the workpiece One end of the block 6 is fixedly connected, and the lower end of the workpiece pressing block 6 is adapted to the support shaft 9 and can slide along the support shaft 9. Preferably, the workpiece pressing block 6 adopts a U-shaped structure, as shown in FIG. 4 , both sides of the lower end surface of the workpiece pressing block 6 are provided with arc-shaped chute 601, and the arc-shaped chute 601 is adapted to the outer cylindrical surface of the support shaft 9 and can slide along the support shaft 9, thereby Press the workpiece 8 on the workpiece disc 7; the plurality of workpiece clamping devices can clamp multiple workpieces 8 at one time, and the tool installed on the machine tool spindle can continuously complete the boring of multiple workpieces 8 without disassembly hole processing.

During use, the support 1 in the utility model is fixedly connected with the small supporting plate of the machine tool, and now the piston rod of the cylinder 2 is in a retracted state, and the sliding shaft 4 is moved backward so that the workpiece pressing block 6 is placed in an open state. Start to install the workpiece 8, make one end surface of the workpiece 8 and the workpiece plate 7 fit and align the center, and place the two ends of the workpiece 8 on the support shaft 9, start the cylinder 2, the piston rod of the cylinder 2 extends and pushes the sliding shaft 4 moves, and the sliding shaft 4 pushes the workpiece pressing block 6 to move along the support shaft 9, and one end of the workpiece pressing block 6 presses the workpiece 8 on the workpiece disk 7; The workpiece 8 is clamped at the same time, and the above-mentioned clamping structure effectively ensures the reliable positioning of the workpiece 8 and the machining accuracy of the workpiece 8 boring. During boring processing, the tool is installed on the main shaft of the machine tool, and the workpiece 8 to be processed is aligned with the tool by moving the large pallet and the small pallet of the machine tool, and the tool can be passed through the tool relief hole 701 on the workpiece disk 7. Carry out boring process to workpiece 8, after a workpiece 8 is processed, adjust the large supporting plate and the small supporting plate of machine tool to make other workpieces 8 to be processed align with the cutting tool and complete boring process.

The utility model can clamp a plurality of workpieces at one time through a plurality of workpiece clamping devices fixed on the bracket 1 of the small pallet, and the tool is installed on the main shaft of the machine tool, so that multiple workpieces can be clamped without disassembly and assembly. Each workpiece 8 is continuously bored, which improves the efficiency of batch boring of the machine tool, ensures the processing quality of the workpiece 8, and is simple in structure and easy to use.

The above-described embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of implementation of the present utility model, so all equivalent changes made with the contents of the claims of the present utility model should be included in the claims of the present utility model. within the scope of requirements.

Claims (4)

1. A fixture device for simultaneous boring of multiple parts, characterized in that it includes a bracket (1) connected to the small pallet of the machine tool, and the bracket (1) is provided with a plurality of workpiece clamping devices horizontally parallel to each other , the plurality of workpiece clamping devices can clamp a plurality of workpieces (8) at one time, and the tool installed on the main shaft of the machine tool can continuously complete the boring process on the plurality of workpieces (8) without disassembly. 2. The fixture device for simultaneous boring of multiple parts according to claim 1, characterized in that: the workpiece clamping device includes a cylinder (2), a sliding shaft (4), a support seat (5), a workpiece The pressing block (6), the workpiece plate (7) and the supporting shaft (9), the bracket (1) is provided with a hole I (101) on one side plate and a hole II (102) on the other side plate, The cylinder connection seat (3) is fixed on one side of the bracket (1) after passing through the hole I (101), and one end of the support seat (5) is fixed on the other side of the bracket (1) after passing through the hole II (102). The other end of the support seat (5) is provided with a workpiece disc (7), and the inner side of the workpiece disc (7) is provided with a support shaft (9), and the cylinder (2) is fixed on one end of the cylinder connection seat (3) and Its piston rod extends into the inner hole of the cylinder connecting seat (3), and one end of the sliding shaft (4) also extends into the inner hole of the other end of the cylinder connecting seat (3) and can be pushed by the piston rod of the cylinder (2). slide down, the other end of the sliding shaft (4) passes through the hole III (501) in the center of the support seat (5) and is fixedly connected with the workpiece pressing block (6), and the lower end of the workpiece pressing block (6) Adapted to the support shaft (9) and can slide along the support shaft (9). 3. The fixture device for simultaneous boring of multiple parts according to claim 2, characterized in that: the workpiece pressing block (6) adopts a U-shaped structure, and the lower end surface of the workpiece pressing block (6) Both sides are provided with arc-shaped chute (601), and the arc-shaped chute (601) is adapted to the outer cylindrical surface of the support shaft (9) and can slide the workpiece (8) along the support shaft (9). ) is compressed on the workpiece disc (7). 4. The jig device for simultaneous boring of multiple parts according to claim 2 or 3, characterized in that: the workpiece disk (7) is provided with a tool relief hole (701).