TWM600214U - Self-positioning precision air hydraulic clamp fixture - Google Patents

Abstract

A self-positioning precision air-hydraulic clamping fixture, which is used in a clamping fixture of processing equipment, includes a fixed bed and a locking device, the fixed bed is used to connect to a processing equipment, and the fixed bed provides The locking device is assembled. The clamping module of the locking device is used to fix the processed object and clamp the processed object to be processed by the processing equipment. It is characterized in that a positioning module and a piston are provided in the locking device. The piston can drive the positioning module and the clamping module, the positioning module provides the assembly of the processed object, and the positioning module can be hidden in the locking device during processing without affecting the processing. Accordingly, the improvement can be achieved The processing accuracy and processing position are accurate.

Description

Self-positioning precision air hydraulic clamp fixture

This creation is about the clamping fixture used by the processing machine, especially a kind of automatic positioning clamping fixture.

Press, in the field of automatic processing operations, what bothers the operator is the convenience and stability of the processed products. Although manual loading and unloading are quite convenient, manual positioning of the processed products has the problem of uneven locking force. , When the locking force is insufficient or too large, it will affect. For example, insufficient locking force sometimes causes the workpiece to detach from the fixture, or the locking force may cause deformation of the workpiece. Therefore, most of the current fixtures have Towards a fixture that uses stable media such as air pressure and oil pressure.

In addition, some processed objects not only pay attention to the accuracy of the processing position, but also require high processing accuracy; the current common method is to have at least one movable positioning unit on the jig, so that the processed object is assembled on the jig for processing, but the movable type The positioning unit must be removed before cutting. If the positioning unit is not removed, it may cause processing interference or mechanical mixing problems.

Furthermore, it takes a lot of time to correct the positions of the jig and the positioning unit through the above structure, which greatly increases the manufacturing cost of the industry.

How to improve the problems caused by conventional fixtures is a topic that the relevant industry actively solves.

The main purpose of this creation is to provide a self-positioning precision air-hydraulic clamp fixture, which includes a fixed bed and at least one locking device;

The fixed bed is assembled in a processing equipment, the fixed bed is provided with at least one installation area, and the foregoing installation area provides the locking device assembly;

The locking device is used for clamping at least one processed object. The locking device includes a fixing module and a clamping module. The fixing module has a body, a connecting end and an assembling part, and the body provides the connecting end The connecting end is arranged at the lower end of the body and assembled in the installation area, and the locking device is fixed to the fixed bed through a plurality of coupling elements, and each assembly part is provided with a linear slide Groove, which can provide the assembly part to move linearly along the linear sliding grooves, the clamping module is composed of a pair of clamping units, each clamping unit is provided with a clamping surface, and the lower end of each clamping unit There is a positioning bolt which can be inserted into the assembling part, the clamping module is installed on the assembling part, and each assembly part is provided with a limiting slot, so that the clamping units can hold the processed object firmly and It does not turn over. Moreover, each of the clamping units linearly moves along the assembling part of the fixed module; it is characterized in that:

It further includes a piston arranged in the installation area, a positioning module and a platform. One end of the aforementioned piston is assembled in the installation area, and the other end is connected with the positioning module. The piston is driven by a medium to make The piston moves linearly in the installation area;

The aforementioned body is provided with an inclined guide rail that provides linear movement of the positioning module;

The positioning module is provided with an installation unit and at least one positioning unit, the aforementioned installation unit provides assembly of the positioning unit, and the installation unit is connected with the piston so that the positioning module is affected by When the piston is driven to move linearly along the guide rail, the mounting unit is provided with a slope that pushes the assembly part and a movable edge along the guide rail, so that the positioning unit can be extended or hidden in the fixed mold of the locking device Furthermore, the positioning unit of the positioning module can provide the processed object for positioning;

The aforementioned platform provides the assembly of the processed object, the platform is a plate body, both ends of which are clamped and fixed by the clamping unit of the clamping module, and further the platform has at least one positioning hole through which the positioning unit passes;

In the unclamped state, the clamping unit of the clamping module is pushed by the mounting unit to retract toward both outer sides, and the positioning unit of the positioning module protrudes out of the positioning hole to provide positioning of the processed object; In the clamping state, the clamping module is not pushed by the mounting unit but retracts toward the inside, thereby clamping the workpiece and the platform, and the positioning unit of the positioning module is driven by the piston to hide in the Inside the fixed module.

In the embodiment of this creation, the positioning unit is provided with a guiding end, which can guide the smooth assembly of the processed object.

In the embodiment of this creation, the medium is compressed air, and the compressed air is used to guide the piston to move.

In the embodiment of this creation, the medium is hydraulic oil, and the hydraulic oil is used to guide the piston to move.

In the embodiment of the present creation, the clamping module uses the medium to generate a clamping action or a retracting action.

In the embodiment of this creation, the clamping module is a vise base or the clamping module is a chuck, and the aforementioned vise base or chuck is driven by a medium.

Through the above description, this creation has the following advantages:

1. Improve the current problem of inaccurate positioning of the clamping fixture, and the positioning module will retract into the fixed module after clamping the workpiece, so that the problem of processing interference can be avoided.

2. The equipment provided by this creation can be connected to the processing equipment and can be driven by air pressure or hydraulic pressure, without the need to prepare additional driving sources, which increases the convenience of use.

10: Fixed bed

11: Installation area

12: Piston

20: Locking device

21: Fixed module

211: body

212: connection end

213: Assembly Department

2131: Linear Chute

2132: limit slot

214: Guide Track

22: Clamping module

221: clamping unit

222: clamping surface

223: positioning bolt

23: positioning module

231: installation unit

2311: inclined plane

2312: Activity Fate

232: positioning unit

30: platform

31: positioning hole

W: processed goods

Picture 1 is a three-dimensional view of this creation.

Figure 2 is an exploded perspective view of the structure of this creation.

Figure 3 is an exploded perspective view of the structure of this creation.

Figure 4 is an exploded cross-sectional view of the fixed bed structure

Figure 5 is a perspective view of the structure of the locking device.

Figure 6 is an exploded view of the structure of the locking device.

Figure 7 is the use state diagram of this creation (1).

Figure 8 is the use state diagram of this creation (2).

Fig. 9 is a plan view of Fig. 8;

Figure 10 is a structural diagram of another embodiment of this creation.

In order to enable your reviewer to have a better understanding and recognition of the features and characteristics of this creation, the following preferred embodiments are listed below in conjunction with the schematic descriptions:

Please refer to Figures 1 to 8. The self-positioning precision pneumatic hydraulic clamping fixture of this creation mainly includes: a fixed bed 10, four locking devices 20, due to the structure of the locking device 20 They are all the same, so subsequent introductions will not be repeated.

As shown in Figures 1 to 4, the fixed bed 10 is assembled in a processing equipment (not shown in the figure), the fixed bed 10 is provided with four installation areas 11, and the aforementioned installation area 11 provides the locking device 20 assembly In the embodiment of this creation, the aforementioned processing equipment can be lathes, milling machines, CNC center processing machines, CNC lathes, grinders, CNC grinders, high-speed cutting centers, etc., and the fixed bed 10 can be installed on it.

As shown in Figures 1 to 8, the locking device 20 is used to clamp at least one workpiece W. The locking device 20 includes a fixing module 21 and a clamping module 22. The fixing module 21 has a body 211, a connecting end 212, and an assembling part 213. The body 211 provides the connecting end 212 and the assembling part 213. The assembling part 213 is provided with a linear sliding groove 2131, which can provide the assembling part 213 along the The linear chute 2131 moves linearly.

The connecting end 212 is arranged at the lower end of the body 211 and assembled in the installation area 11, and the connecting end 212 is assembled in the installation area 11, and the locking device 20 is fixed to the fixed bed through a plurality of coupling elements. Table 10.

As shown in Figures 6 and 7, the clamping module 22 is composed of a pair of clamping units 221, each clamping unit 221 is provided with a clamping surface 222, and the lower end of each clamping unit 222 is provided with a positioning The bolt 223 can be inserted into the assembling part 213, and the clamping module 22 is installed on the assembling part 213. Each assembling part 213 is provided with a limiting slot 2132 for the clamping units 221 to assemble to achieve The workpiece W is firmly clamped without turning over, and the clamping unit 221 is linearly moved along the assembling part 213 of the fixed module 21 to move a linear sliding groove 2131 displacement.

As shown in Figures 1 and 2, the clamping module 22 is a vise base driven by gas and oil pressure, but a chuck driven by gas and oil pressure can also be selected. They are all applicable fields of this creation. most All of the processing equipment will be matched with pneumatic or hydraulic equipment, and it can be combined with the aforementioned clamping module 22 only by pulling the pipeline used by the medium to achieve the purpose of automation.

Please continue to refer to Figures 2, 4 to 8. In this creation, a piston 12, a positioning module 23, and a platform 30 arranged in the installation area 11 are further included. The aforementioned piston 12 is a linear moving device. One end of the piston 12 is assembled in the installation area 11, and the other end is connected with the positioning module 23. The piston 12 allows the piston 12 to move linearly in the installation area 11 through a medium. In the embodiment of the present invention, the piston 12 can push the piston 12 to move through compressed air or hydraulic oil.

As shown in Figs. 7 and 8, the aforementioned main body 211 is provided with an inclined guide rail 214 for linear movement of the positioning module 32.

Please continue to refer to Figures 5-9. The positioning module 23 is provided with a mounting unit 231 and two positioning units 232. The aforementioned mounting unit 231 provides assembly of the positioning unit 232, the mounting unit 231 is connected to the piston 12, and the mounting Both sides of the unit 231 are provided with slopes 2311 that can push the assembly portion 213 and movable edges 2312 that can be along the guide rail 214, so that the positioning module 23 is driven by the piston 12 to linearly move along the guide rail 214, Each of the positioning units 232 can be extended or hidden in the fixing module 21 of the locking device 20. Furthermore, the positioning unit 232 of the positioning module 23 can provide the workpiece W for assembly and positioning. In the embodiment of the present invention, the positioning units 232 are provided with a guiding end, which can guide the processing object to be placed and positioned.

Please refer to Figures 1, 2, 5 to 9, the aforementioned platform 30 provides the assembly of the workpiece W. The platform 30 is a plate body whose two ends are clamped by the clamping unit 221 of the clamping module 22 For fixing, the platform 30 further has two positioning holes 31 through which the positioning unit 232 passes.

Then introduce how to use this creation:

As shown in Figure 7, in the unclamped state, the clamping unit 221 of the clamping module 22 is pushed by the inclined surfaces 2311 on both sides of the mounting unit 231 to move away from both sides, whether it is an operator or an automated equipment In this state, loading or unloading can be performed, and the positioning unit 232 of the positioning module 23 protrudes from the positioning hole 31, and the operator or automation equipment can pass through the guiding end of the positioning unit 232 to provide The workpiece W guides positioning. In the actual use of this creation, the loading or unloading of four processed objects W can be performed at one time, which can improve the work efficiency and the utilization rate of the processing equipment.

As shown in Figures 8 and 9, after the clamping module 22 is activated, it enters the clamping state. The clamping module 22 clamps the workpiece W and the platform 30, and the positioning module 23 is The piston 12 is driven and hidden inside the fixed module 21, so as not to hinder the processing; in this way, even in the state of heavy cutting, it can avoid hindering the processing and generating vibration; in addition, the clamping unit 221 In the figure, it is used to clamp flat workpieces, but a styling jaw structure can also be used as required.

Through the above description, this creation has the following advantages:

1. To improve the current problem of inaccurate positioning of the fixture, and the positioning module 23 will retract into the fixing module 21 after clamping the workpiece W, so that the problem of processing interference can be avoided.

2. The equipment provided by this creation can be connected to the processing equipment and can be driven by air pressure or hydraulic pressure, without the need to prepare additional driving sources, which increases the convenience of use.

3. According to the design of Figures 1 to 9, please refer to Figure 10. The fixed bed 10 can also have a single installation area 11. Therefore, the structure of this creation is not limited to only being used in mass production. Used in a small number of diverse production.

4. The structure of this invention utilizes the piston 12 to linearly drive the clamping module 22 and the positioning module 23 of the locking device 20 to clamp or relax, which greatly simplifies the complicated and inconvenient use of the previous clamping fixture.

In summary, the composition structure of this creation has never been seen in books and periodicals or publicly used, and it actually meets the requirements of a creation patent application, and the specific implementation of this creation is a technical principle that is immediately used. If changes are made according to the creation concept, it When the generated function still does not exceed the requested features covered by the specification and the drawings, it should be within the scope of this creation. I sincerely ask the Jun Bureau to approve the patent as soon as possible. I really pray.

10: Fixed bed

11: Installation area

12: Piston

20: Locking device

21: Fixed module

211: body

22: Clamping module

30: platform

Claims (6)

A self-positioning precision air-hydraulic clamp fixture, comprising: a fixed bed, at least one locking device; the fixed bed is assembled in a processing equipment, the fixed bed is provided with at least one installation area, the aforementioned installation area provides the Locking device assembly; The locking device is used for clamping at least one processed object. The locking device includes a fixing module and a clamping module. The fixing module has a body, a connecting end and an assembling part, and the body provides the connecting end And the assembling part, the connecting end is arranged at the lower end of the body and assembled in the installation area, and the locking device is fixed to the fixed bed through a plurality of coupling elements, the clamping module is composed of a pair of Each of the clamping units is provided with a clamping surface. The lower end of the clamping unit is provided with a positioning bolt which can be inserted into the assembly part. The clamping module is installed on the assembly part. The assembling parts are all provided with a limiting groove, so that the clamping units can hold the workpiece stably without turning over. Each of the assembling parts is provided with a linear sliding groove, which can provide each assembling part along the linear sliding grooves. Move linearly and drive the clamping units to clamp the processed object. Furthermore, each clamping unit linearly moves along the assembly part of the fixed module; it is characterized in that: It includes a piston arranged in the installation area, a positioning module and a platform. One end of the aforementioned piston is assembled in the installation area, and the other end is connected with the positioning module. The piston is driven by a medium to make the The piston moves linearly in the installation area; The aforementioned body is provided with more than one set of inclined guide rails for linear movement of the positioning module; The positioning module is provided with an installation unit and at least one positioning unit, the aforementioned installation unit provides assembly of the positioning unit, the installation unit is connected with the piston, and both sides of the installation unit are provided with inclined surfaces that can push the assembly part and can move along Along the movable edge of the guide track, so that the positioning module is affected by Driven by the piston, it linearly moves along the guide track, so that the positioning unit can be extended or hidden in the fixed module of the locking device. Furthermore, the positioning unit of the positioning module can provide the workpiece for positioning; The aforementioned platform provides the assembly of the processed object, the platform is a plate body, both ends of which are clamped and fixed by the clamping unit of the clamping module, and further the platform has at least one positioning hole through which the positioning unit passes; as well as In the unclamped state, the clamping unit of the clamping module is pushed by the mounting unit to retract toward both outer sides, and the positioning unit of the positioning module protrudes out of the positioning hole to provide positioning of the processed object; In the clamping state, the clamping module is not pushed by the mounting unit and retracts toward the inside, thereby clamping the workpiece and the platform, and the positioning unit of the positioning module is driven by the piston to hide in the fixing Inside the module. The self-positioning precision air-hydraulic clamp fixture according to claim 1, wherein the positioning unit is provided with a guiding end. The self-positioning precision pneumatic hydraulic clamp fixture according to claim 1, wherein the medium is compressed air, and the compressed air is used to guide the piston to move in the installation area. The self-positioning precision air-hydraulic clamp fixture according to claim 1, wherein the medium is hydraulic oil, and the hydraulic oil is used to guide the piston to move in the installation area. The self-positioning precision pneumatic hydraulic clamping fixture according to claim 1, wherein the clamping module uses a medium to generate a clamping action or a retracting action. The self-positioning precision pneumatic hydraulic clamping fixture according to claim 1, wherein the clamping module is a vise base or the clamping module is a chuck, and the aforementioned vise base or chuck penetrates a Driven by the medium.

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