CN211728447U - A horizontal machining center fixture mechanism - Google Patents

Abstract

The utility model discloses a clamp mechanism for a horizontal machining center, which comprises a horizontal turntable, a tailstock is installed at both ends of the horizontal turntable, and a coaxial chuck is installed on the tailstock. The utility model is characterized in that: a clamp bridge is included. plate, the two ends of the clamp bridge plate are fixed on the chuck through the fixing plate; the clamp bridge plate is fixed with a positioning block, and the periphery of the positioning block is provided with a maintaining clamping mechanism and at least two auxiliary clamping units; the maintaining clamping mechanism includes Two supports fixed to the bridge plate of the fixture. A fixed clamp rod is installed on the upper end of one support, and a telescopic clamp oil cylinder is installed on the other support. The telescopic clamp oil cylinder has a cylinder rod opposite to the front end of the fixed clamp rod; the auxiliary clamping unit includes a fixed clamp bridge plate The rotary cylinder is installed with a rotary clamping block on the cylinder rod of the rotary cylinder. The utility model has the advantages of simple and compact structure, convenient and quick operation, safe and reliable use, and can improve product quality and production efficiency.

Description

A horizontal machining center fixture mechanism

technical field

The utility model belongs to the technical field of automobile parts processing, in particular to a clamp mechanism of a horizontal machining center.

Background technique

Fixtures are used to fix the processing object in the process of mechanical manufacturing, so that it occupies the correct position to accept processing or testing. For technical requirements such as mutual position accuracy of other surfaces, the workpiece carrier must be positioned and clamped before processing.

At present, the automobile industry is developing rapidly, and it has become the largest transportation means of all transportation in the city. With social progress and economic development, the demand for automobiles is increasing. In order to meet the huge demand, automobile manufacturers are constantly innovating technology. High technology, high quality and high efficiency have become the goals that the automobile industry is constantly pursuing. .

With the continuous increase of the automobile industry, the demand for various components on the automobile is also increasing. It is the pace of the times to increase the output while ensuring the quality. Therefore, not only high precision, accurate positioning, etc. are required for machine-added fixtures, but also fast clamping is required to save processing time.

The wheel brackets of automobiles are generally made of aluminum. The workpieces are thinner and more rigid, and more working surfaces need to be processed. If traditional fixtures are used for positioning processing, the workpieces need to be manually clamped and adjusted according to the requirements of different processing surfaces. Product production efficiency, and production accuracy.

Utility model content

In order to solve the problems raised in the above background art. The utility model provides a horizontal machining center clamp mechanism, which has the advantages of simple and compact structure, convenient and quick operation, safe and reliable use, and can improve product quality and production efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a horizontal machining center fixture mechanism, including a horizontal turntable, the two ends of the horizontal turntable are installed with tailstocks, and the tailstocks are installed with coaxial The wire chuck is characterized in that it includes a clamp bridge, and both ends of the clamp bridge are fixed on the chuck by fixing plates.

A positioning block is fixed on the clamping bridge plate, and a maintaining clamping mechanism and at least two auxiliary clamping units are arranged on the periphery of the positioning block.

The maintaining clamping mechanism includes two supports fixed to the clamp bridge. A fixed clamp rod is installed on the upper end of the support, and a telescopic clamp oil cylinder is installed on the other support, and the telescopic clamp oil cylinder has a cylinder rod opposite to the front end of the fixed clamp rod.

The auxiliary clamping unit includes a rotary oil cylinder fixed on the clamp bridge plate, and a rotary clamping block is installed on the cylinder rod of the rotary oil cylinder.

Preferably, the fixing plate is perpendicular to the clamp bridge plate.

Preferably, the clamp bridge plate is provided with a reaming hole, and the maintaining clamping mechanism and at least two auxiliary clamping units are arranged around the reaming hole.

Preferably, the positioning block includes two spacers surrounding the periphery of the reaming hole, and the spacer blocks are provided with a positioning support portion and a lateral positioning portion extending toward the inner side of the reaming hole.

Preferably, the support comprises a support and a seat body disposed on the upper end of the support, the axis of the fixing clamp rod is horizontally arranged horizontally and fixed on the seat body of one support by means of threads, and the other support A sinking groove is machined on the end surface of the base body corresponding to the fixing clamp rod, and the cylinder body of the telescopic clamping oil cylinder is embedded in the sinking groove.

Preferably, the bracket and the base are an integral component.

Compared with the prior art, the beneficial effects of the present utility model are:

In the present invention, the clamping mechanism is maintained to play a continuous and effective positioning function, and the movable auxiliary clamping unit is combined to play an auxiliary incomplete positioning function. The action of the component realizes the selection of whether to implement the clamping and positioning, so that the fixture is more suitable for the processing of different parts of the workpiece by the processing equipment. While ensuring the continuous and stable positioning of the workpiece, the auxiliary clamping unit that can automatically act is used to perform auxiliary clamping, so that the clamping mechanism avoids the position of the processing surface of the workpiece as much as possible while clamping and positioning, so as to ensure the continuity of the workpiece processing and avoid Multiple benchmark adjustments are performed due to multiple clamping, thereby improving the processing efficiency and processing quality of the workpiece.

Description of drawings

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

Fig. 2 is the installation structure schematic diagram of the positioning block in the utility;

Fig. 3 is the structural schematic diagram of the workpiece in the utility model.

In the figure: 1. Horizontal turntable; 2. Tailstock; 3. Chuck; 4. Fixture bridge plate; 5. Fixed plate; 6. Positioning block; 6-1, Positioning support part; 6-2, Horizontal positioning part 7. Support; 7-1. Bracket; 7-2. Base body; 8. Fixed clamp rod; 9. Telescopic clamping cylinder; 10. Rotating cylinder; 11. Rotating clamping block.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides the following technical solutions: a horizontal machining center fixture mechanism, including a horizontal turntable 1, the two ends of the horizontal turntable 1 are installed with tailstocks 2, the tailstock 2 is mounted on the chuck 3 with the coaxial cable. A support shaft and a machining spindle are respectively installed on the tailstock 2, and a chuck 3 is installed on the opposite ends of the two shafts respectively. The above structure is a conventionally known technique in a machining machine.

It includes a clamp bridge plate 4 , and both ends of the clamp bridge plate 4 are fixed on the chuck 3 through a fixing plate 5 . In this embodiment, the fixing plate 5 is perpendicular to the clamp bridge plate 4 , and the fixing plate 5 is fixed on the clamp bridge plate 4 by bolts.

A positioning block 6 is fixed on the clamp bridge plate 4 , and a maintaining clamping mechanism and at least two auxiliary clamping units are arranged on the periphery of the positioning block 6 . In this embodiment, the clamp bridge plate 4 is provided with a reaming hole, and the maintaining clamping mechanism and the auxiliary clamping unit are arranged around the reaming hole. The positioning block 6 includes two spacers surrounding the periphery of the reaming hole. The spacer blocks are provided with a positioning support portion 6-1 and a lateral positioning portion 6-2 extending toward the inside of the reaming hole. The positioning support part 6-1 is a pole.

Before processing, the operator places the workpiece to be processed on the cushion block 6 of the fixture mechanism, and the position of the workpiece is jointly defined by the positioning support portion 6-1 and the lateral positioning portion 6-2. Maintain the automatic action of the clamping mechanism and the auxiliary clamping unit to clamp the workpiece. The maintenance clamping mechanism clamps the A part of the workpiece in the whole process of the workpiece processing. The auxiliary clamping unit will automatically adjust during the processing of the workpiece to cooperate with the machine tool to process different positions of the workpiece. While avoiding the workpiece processing space, it can also perform auxiliary clamping for other parts of the workpiece.

The holding clamping mechanism includes two supports 7 fixed on the clamping bridge plate. A fixed clamp rod 8 is installed on the upper end of the support 7 , and a telescopic clamp oil cylinder 9 is installed on the other support 7 , and the telescopic clamp oil cylinder 9 has a front end opposite to the fixed clamp rod 8 . cylinder rod.

In this embodiment, the support 7 includes a bracket 7-1 and a seat body disposed on the upper end of the bracket 7-1. The bracket 7-1 is fixed on the clamp bridge plate 4 by screws. The bracket 7-1 and the seat body 7-2 is a one-piece component. The axis of the fixing clamp rod 8 is horizontally arranged horizontally and fixed on the seat body 7-2 of one of the supports 7 by means of threads, and the seat body of the other support is corresponding to the end surface of the fixing clamp rod 8 A sink groove is machined, and the cylinder body of the telescopic clamping oil cylinder 9 is embedded in the sink groove.

The auxiliary clamping unit includes a rotary oil cylinder 10 fixed on the clamp bridge plate 4 , and a rotary clamping block 11 is installed on the cylinder rod of the rotary oil cylinder 10 . The lower part of the cylinder block of the rotary oil cylinder 10 is fixed on the clamp bridge plate 4 by means of bolts. In this embodiment, three rotary oil cylinders are installed on the clamp bridge plate. The action of the rotating clamping block 11 allows it to completely avoid the surrounding position of the workpiece.

The above-mentioned maintaining and clamping mechanism, the positioning block, and the three auxiliary clamping units cooperating with them together constitute a set of clamping assemblies that can clamp a workpiece. In this embodiment, two sets of clamping assemblies are provided on the left and right sides of the clamp bridge.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a horizontal machining center anchor clamps mechanism, includes horizontal revolving stage (1), tailstock (2) are installed at the both ends of horizontal revolving stage (1), install chuck (3) of coaxial line on tailstock (2), its characterized in that: the clamp comprises a clamp bridge plate (4), wherein two end parts of the clamp bridge plate (4) are fixed on a chuck (3) through fixing plates (5);

a positioning block (6) is fixed on the clamp bridge plate (4), and a maintaining clamping mechanism and at least two auxiliary clamping units are arranged on the periphery of the positioning block (6);

the maintaining and clamping mechanism comprises two supports (7) fixed on the clamp bridge plate (4), a fixed clamping rod (8) is installed at the upper end of one support (7), a telescopic clamping oil cylinder (9) is installed on the other support, and the telescopic clamping oil cylinder (9) is provided with a cylinder rod opposite to the front end of the fixed clamping rod (8);

the auxiliary clamping unit comprises a rotary oil cylinder (10) fixed on the clamp bridge plate (4), and a rotary clamping block (11) is installed on a cylinder rod of the rotary oil cylinder.

2. The horizontal machining center clamping mechanism according to claim 1, characterized in that: the fixing plate (5) is perpendicular to the clamp bridge plate (4).

3. The horizontal machining center clamping mechanism according to claim 2, characterized in that: the clamp bridge plate (4) is provided with a reaming hole, and the maintaining clamping mechanism and the auxiliary clamping unit are arranged around the reaming hole.

4. The horizontal machining center clamping mechanism according to claim 3, wherein: the positioning block (6) comprises two cushion blocks surrounding the periphery of the reaming hole, and the cushion blocks are provided with positioning support parts (6-1) and transverse positioning parts (6-2) extending towards the inner side of the reaming hole.

5. The horizontal machining center clamping mechanism according to claim 4, wherein: the support (7) comprises a support (7-1) and a base body (7-2) arranged at the upper end of the support (7-1), the axis of the fixed clamping rod (8) is transversely and horizontally arranged and fixed on the base body of the support by threads, a sinking groove is processed on the base body of the other support corresponding to the end face of the fixed clamping rod, and the cylinder body of the telescopic clamping cylinder (9) is embedded in the sinking groove.

6. The horizontal machining center clamping mechanism according to claim 5, wherein: the support (7-1) and the seat body (7-2) are integrated components.

Images