CN220993573U - Multi-angle adjusting clamp and processing equipment - Google Patents

Abstract

The utility model provides a multi-angle adjusting clamp and processing equipment, wherein the multi-angle adjusting clamp comprises: the device comprises a rotary shaft, a fixing assembly, a driving assembly and a supporting assembly; the fixed component is fixedly connected with the rotary shaft, and the rotary shaft can drive the fixed component to rotate together; the driving assembly comprises two jacking devices which are respectively arranged at two sides of the rotating shaft and fixedly connected with the lower surface of the fixing assembly; the support assembly comprises two groups of support devices, and the two groups of support devices are respectively arranged on two sides of the rotating shaft and are used for being abutted with the lower surface of the fixing assembly. The multi-angle adjusting clamp and the processing equipment provided by the utility model have the advantages of small size, high clamping and processing precision, high working efficiency and the like.

Description

Multi-angle adjusting clamp and processing equipment

Technical Field

The utility model relates to the technical field of machining, in particular to a multi-angle adjusting clamp and machining equipment.

Background

Because of the structural specificity of some workpieces, the manufacturing of products can be completed under different angle postures during the processing of the workpieces, and the precision requirements of the products are met. Since the processing equipment is usually the normal equipment, the processing of different angle postures of a special workpiece can be completed by an auxiliary clamp. At present, a set of clamps are respectively arranged at different angle postures in the prior art, and although the mode can effectively ensure the processing of the multi-angle postures of the workpiece, the processing of a product can be completed only by three equipment, or the three clamps are replaced on one equipment and the three clamping can be completed, and the processing mode has the advantages of accumulated processing errors, low processing precision, complicated processing steps, low processing efficiency and high labor intensity, and is difficult to meet the development trend and requirements of high efficiency, automatic production process and light labor weight of workers in the current production process.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provide a multi-angle adjusting clamp and processing equipment, so as to solve the problems of low production efficiency, low automation degree, high manual labor intensity, low processing precision and the like in the prior art.

In a first aspect, the present utility model provides a multi-angle adjustment fixture comprising: the device comprises a rotary shaft, a fixing assembly, a driving assembly and a supporting assembly; the fixed component is fixedly connected with the rotary shaft, and the rotary shaft can drive the fixed component to rotate together; the driving assembly comprises two jacking devices which are respectively arranged at two sides of the rotating shaft and fixedly connected with the lower surface of the fixing assembly; the support assembly comprises two groups of support devices, and the two groups of support devices are respectively arranged on two sides of the rotating shaft and are used for being abutted with the lower surface of the fixing assembly.

Further, the multi-angle adjusting clamp further comprises a bottom plate, and the rotating shaft and the driving assembly are respectively fixed on the bottom plate; the fixing component comprises an upper plate and an electromagnetic chuck; the upper plate is fixedly connected with the rotating shaft, the electromagnetic chuck is fixed on the upper plate, and the electromagnetic chuck is used for fixing a workpiece to be processed.

Further, the fixing component further comprises a positioning component and a clamping component which are arranged on the electromagnetic chuck; the positioning component is used for positioning the workpiece; the clamping assembly is used for enabling the workpiece to lean against the positioning assembly.

Further, the two jacking devices are symmetrically arranged on two sides of the rotating shaft, and jacking strokes of the two jacking devices are equal.

Further, each group of the supporting devices comprises two supporting units, and the two supporting units are respectively arranged close to two ends of the upper plate in the width direction.

Further, the supporting unit comprises a positioning rod, a horizontal supporting component and an angle supporting component; the upper end part of the positioning rod is detachably connected with the upper plate, the horizontal support assembly comprises a horizontal support block, and the horizontal support block is used for being padded below the positioning rod when a workpiece is horizontally processed so as to support the positioning rod; the angle support assembly comprises an angle support block, and the angle support block is used for being padded below the positioning rod when a workpiece and a horizontal surface are processed at a certain angle so as to support the positioning rod.

Further, the positioning rod comprises an abutting part arranged at the bottom end of the positioning rod, and the bottom surface of the abutting part is a first wedge surface; the upper surfaces of the horizontal supporting block and the angle supporting block are respectively provided with a second wedge-shaped surface matched with the first wedge-shaped surface; the horizontal support assembly further comprises a first driving mechanism fixed on the bottom plate, and the first driving mechanism is used for driving the horizontal support block; the angle support assembly further comprises a second driving mechanism fixed on the bottom plate, and the second driving mechanism is used for driving the angle support block.

Further, the supporting unit further comprises a limit stop, wherein the limit stop is arranged on one side, close to the rotating shaft, of the positioning rod and is used for being abutted with the side wall of the positioning rod when the jacking devices on the same side jack the upper plate.

Further, the multi-angle adjusting clamp further comprises floating supporting devices, the two floating supporting devices are respectively arranged on the bottom plates at two sides of the rotating shaft, and the supporting ends of the floating supporting devices are used for carrying out floating supporting on the fixing assembly.

In a second aspect, the present utility model provides a machining apparatus comprising the multi-angle adjustment jig described above.

According to the technical scheme of the utility model, the rotating shaft of the multi-angle adjusting clamp can drive the fixed assembly to rotate together, and the two jacking devices are arranged on two sides of the driving assembly, so that the fixed assembly can rotate around the rotating shaft to form bearing surfaces with different angles from the horizontal surface, and therefore, a workpiece can be machined at a plurality of angles on the same clamp, the clamping times are reduced, the consistency and the accuracy of machining are improved, meanwhile, the equipment investment quantity is reduced, the equipment investment cost is reduced, and the machining equipment adopting the multi-angle adjusting clamp improves the machining efficiency and the automation degree and reduces the labor intensity.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the angle adjusting clamp according to the embodiment of the utility model when clamping a workpiece.

Fig. 2 is a schematic diagram of the overall structure of the angle adjusting clamp according to the embodiment of the utility model when the angle adjusting clamp does not clamp a workpiece.

Fig. 3 is an exploded view of an angle adjusting jig according to an embodiment of the present utility model.

Fig. 4 is an exploded view of a supporting unit according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a positioning rod (with its bottom end facing upwards) according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of an angle adjusting clamp according to an embodiment of the present utility model when the clamping angle is 0 °.

Fig. 7 is a schematic structural diagram of an angle adjusting clamp according to an embodiment of the present utility model when the clamping angle is +α°.

Fig. 8 is a schematic structural view of an angle adjusting clamp according to an embodiment of the present utility model when the clamping angle is- α °.

The meaning of the reference numerals in the drawings are:

1. A bottom plate; 2. a supporting unit; 3. a fixing assembly; 4. a jacking device; 5. a floating support device; 6. a rotating shaft; 7. lifting lugs; 100. a workpiece;

21. A support housing; 22. a horizontal hydraulic cylinder; 23. a horizontal support block; 231. a second wedge surface; 24. an angle hydraulic cylinder; 25. an angle support block; 251. a third wedge surface; 26. a positioning rod; 27. an abutting portion; 271. a first wedge surface; 28. a limit stop; 31. an upper plate; 32. an electromagnetic chuck; 33. a positioning pin; 34. and a clamping assembly.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 and 2, the angle adjusting jig of the present embodiment; comprising the following steps: the device comprises a base plate 1, a rotating shaft 6, a fixing assembly 3, a driving assembly, a floating supporting device 5 and a supporting assembly.

The swivel shaft 6 and the drive assembly are fixed to the base plate 1, respectively.

As shown in fig. 3, the fixing component 3 is fixedly connected with the rotating shaft 6, and the rotating shaft 6 can drive the fixing component 3 to rotate together. The fixed assembly 3 includes a rectangular upper plate 31 and an electromagnetic chuck 32. The upper plate 31 is fixedly connected with the rotating shaft 6, the electromagnetic chuck 32 is fixed on the upper plate 31, and the electromagnetic chuck 32 is used for fixing the workpiece 100 to be processed in a magnetic attraction mode. The upper plate 31 serves as an intermediate connecting member, the bottom surface of which is fixedly connected to the rotary shaft 6, and the top surface of which is fixedly connected to the electromagnetic chuck 32.

In order to facilitate the installation and accurate positioning of the workpiece 100, the fixing assembly 3 may further include a positioning assembly and a clamping assembly 34, where the positioning assembly is used for positioning the workpiece 100; the clamping assembly 34 is used to hold the workpiece 100 against the positioning assembly. In this embodiment, the positioning assembly is a plurality of positioning pins 33, and the workpiece 100 is placed in an area surrounded by the plurality of positioning pins 33 when being mounted, and the positioning pins 33 can perform rough positioning on the workpiece 100. The clamping assembly 34 in this embodiment is a clamping cylinder, the clamping cylinder is disposed on a side wall of the fixing assembly 3, after the workpiece 100 is disposed in a positioning area of the positioning pin 33, a piston rod of the clamping cylinder extends out to push the side wall of the workpiece 100 to be tightly attached to the positioning pin 33, and then the electromagnetic chuck 32 is started to adsorb the workpiece 100, so that the workpiece 100 can be accurately fixed.

The driving assembly comprises two jacking devices 4, and the two jacking devices 4 are respectively arranged at two sides of the rotating shaft 6 and fixedly connected with the lower surface of the upper plate 31. The lifting strokes and specific mounting positions of the two lifting devices 4 are determined according to specific clamping angle requirements, for example, positive and negative angles which are symmetrical are needed, and the lifting strokes of the two lifting devices 4 and the distance between the lifting strokes and the rotating shaft 6 can be set to be the same value.

The workpiece 100 in this embodiment needs to be machined at three clamping angles, one being in a horizontal position and the other two being in a right-left symmetric positive and negative angle α position. The two jacking devices 4 in this embodiment are hydraulic cylinders. The multi-angle adjusting jig of this embodiment further includes an oil drain for connecting with an external hydraulic station, the oil drain providing hydraulic oil for the entire multi-angle adjusting jig. The two hydraulic cylinders are symmetrically arranged on two sides of the rotary shaft 6 respectively, and the jacking strokes of the two hydraulic cylinders are the same.

The support assembly comprises two groups of support devices which are respectively arranged on two sides of the rotary shaft 6 and are used for being abutted with the lower surface of the fixed assembly 3. Each group of the supporting means includes two supporting units 2, and the two supporting units 2 are disposed near both ends of the upper plate 31 in the width direction, respectively.

As shown in fig. 4, the support unit 2 includes a positioning rod 26, a horizontal support assembly, and an angle support assembly; the upper end of the positioning rod 26 is detachably connected to the upper plate 31. The horizontal support assembly comprises a horizontal support block 23, wherein the horizontal support block 23 is used for being padded under the positioning rod 26 when the workpiece 100 is horizontally processed so as to support the positioning rod 26; the angle support assembly includes an angle support block 25, and the angle support block 25 is used for being placed under the positioning rod 26 when the workpiece 100 is processed at an angle with respect to the horizontal plane, so as to support the positioning rod 26. The horizontal support assembly further comprises a first driving mechanism fixed on the bottom plate 1, wherein the first driving mechanism is used for driving the horizontal support block 23; the angle support assembly further comprises a second drive mechanism fixed to the base plate 1 for driving the angle support block 25. In this embodiment, the first driving mechanism is a horizontal hydraulic cylinder 22, and the horizontal hydraulic cylinder 22 is in driving connection with a horizontal supporting block 23. The second driving mechanism is an angle hydraulic cylinder 24, and the angle hydraulic cylinder 24 is in driving connection with an angle supporting block 25.

As shown in fig. 5, the positioning rod 26 includes an abutment portion 27 provided at a bottom end of the positioning rod 26, and a bottom surface of the abutment portion 27 is a first wedge surface 271. The horizontal support block 23 is provided with a second wedge-shaped surface 231 which is matched with the first wedge-shaped surface 271, and the angle support block 25 is provided with a third wedge-shaped surface 251 which is matched with the first wedge-shaped surface 271.

As shown in fig. 4, the supporting unit 2 further includes a limit stop 28 and a supporting housing 21, wherein the limit stop 28 is fixed in the supporting housing 21, and is located at one side of the positioning rod 26 near the rotating shaft 6, for abutting against a side wall of the positioning rod 26 when the same side jacking device 4 jacks up the upper plate 31. The horizontal hydraulic cylinder 22 and the angle hydraulic cylinder 24 are respectively fixed on the outer wall of the support housing 21, and the driving ends thereof are positioned in the support housing 21. In order to make the whole fixture more stable, in this embodiment, the total number of the supporting units 2 is 4, and the 4 supporting units 2 are respectively disposed at the positions of the bottom plate 1 near the four corners, so that the upper plate 31 is well supported, and the overall rigidity of the fixture is improved.

As shown in fig. 3, the multi-angle adjusting fixture of this embodiment further includes a floating support device 5, where two floating support devices 5 are respectively disposed on the bottom plate 1 at two sides of the rotating shaft 6, and a support end of the floating support device 5 is used for floating and supporting the fixing component 3, specifically, the floating support device 5 in this embodiment is a self-locking cylinder, and when the driving end of the floating support device 5 protrudes outwards, it can be automatically locked when touching the lower surface of the upper plate 31.

In order to facilitate the hoisting of the clamp, lifting lugs 7 can be further arranged, and the lifting lugs 7 are respectively arranged close to four corners of the bottom plate 1.

Another embodiment of the present utility model provides a processing apparatus, including a processing platform and a multi-angle adjusting jig fixed on the processing platform, where the multi-angle adjusting jig is the multi-angle adjusting jig in the above embodiment.

The working process of the multi-angle adjusting jig of this embodiment is as follows (the direction shown in the figure is taken as an example):

As shown in fig. 6, when the holding angle is 0 ° (the upper plate 31 is in the horizontal state):

1. the two floating support devices 5 retract after decompression;

2. The left jacking device 4 is retracted, the right jacking device 4 is extended, and at the moment, no matter what state the clamp is currently in, the right horizontal supporting block 23 and the angle supporting block 25 are in a non-pressed state, so that the two supporting blocks on the right are convenient to act;

3. The right angle hydraulic cylinder 24 is retracted, and the right angle supporting block 25 is retracted;

4. The right horizontal hydraulic cylinder 22 is retracted to withdraw the right horizontal support block 23, and at this time, the right side completes the preparation action;

5. the left jacking device 4 stretches out, the right jacking device 4 retracts, and at the moment, the left side finishes the preparation action;

6. The left angle hydraulic cylinder 24 is retracted, and the left angle supporting block 25 is retracted;

7. the left horizontal hydraulic cylinder 22 extends to push out the left horizontal supporting block 23, the left horizontal supporting block 23 enters the bottom of the positioning rod 26, and when the subsequent left jacking device 4 retracts, the bottom of the positioning rod 26 is pressed on the upper end surface of the left horizontal supporting block 23, so that the left horizontal limit setting is completed;

8. The left jacking device 4 is retracted, and the right jacking device 4 is extended; the right horizontal hydraulic cylinder 22 stretches out to push out the right horizontal supporting block 23, the right horizontal supporting block 23 is wedged into the bottom of the positioning rod 26, the second wedge-shaped surface 231 is wedged with the first wedge-shaped surface 271, the right horizontal positioning and locking are completed, and the overall rigidity is improved;

9. The jacking device 4 on the right side is retracted, the two floating support devices 5 extend, the two floating support devices 5 are automatically locked after touching the bottom of the upper plate 31, the auxiliary support of the upper plate 31 is completed, and the integral rigidity of the clamp is improved.

As shown in fig. 7, when the clip angle is +α° (the upper plate 31 is in the left high-right low state):

1. the two floating support devices 5 retract after decompression;

2. The left jacking device 4 is retracted, the right jacking device 4 is extended, and at the moment, no matter what state the clamp is currently in, the right horizontal supporting block 23 and the angle supporting block 25 are in a non-pressed state, so that the two supporting blocks on the right are convenient to act;

3. The right angle hydraulic cylinder 24 is retracted, and the right angle supporting block 25 is retracted;

4. The right horizontal hydraulic cylinder 22 is retracted to withdraw the right horizontal support block 23, and at this time, the right side completes the preparation action;

5. the left jacking device 4 stretches out, the right jacking device 4 retracts, and at the moment, the left side finishes the preparation action;

6. the left horizontal hydraulic cylinder 22 is retracted, and the left horizontal supporting block 23 is retracted;

7. The left angle hydraulic cylinder 24 stretches out to push out the left angle supporting block 25, the left angle supporting block 25 is wedged into the bottom of the positioning rod 26, the third wedge-shaped surface 251 is wedged with the first wedge-shaped surface 271, the left angle positioning and locking are completed, and the integral rigidity of the clamp is improved.

8. The two floating support devices 5 extend out and are automatically locked after touching the bottom of the upper plate 31, so that the auxiliary support of the upper plate 31 is completed, and the integral rigidity of the clamp is improved.

As shown in fig. 8, when the holding angle is- α ° (the upper plate 31 is in the left low-right high state):

1. the two floating support devices 5 retract after decompression;

2. The left jacking device 4 is retracted, the right jacking device 4 is extended, and at the moment, no matter what state the clamp is currently in, the right horizontal supporting block 23 and the angle supporting block 25 are in a non-pressed state, so that the two supporting blocks on the right are convenient to act;

3. The right angle hydraulic cylinder 24 is retracted, and the right angle supporting block 25 is retracted;

4. The right horizontal hydraulic cylinder 22 is retracted to withdraw the right horizontal support block 23, and at this time, the right side completes the preparation action;

5. The left jacking device 4 extends out, and the right jacking device 4 retracts;

6. the left horizontal hydraulic cylinder 22 is retracted, and the left horizontal supporting block 23 is retracted;

7. the left angle hydraulic cylinder 24 is retracted, and the left angle supporting block 25 is retracted; at this time, the left side completes the preparation action;

8. The left jacking device 4 is retracted, and the right jacking device 4 is extended;

9. The right angle hydraulic cylinder 24 stretches out to push out the right angle supporting block 25, the right angle supporting block 25 is wedged into the bottom of the positioning rod 26, the third wedge-shaped surface 251 is wedged with the first wedge-shaped surface 271, the right angle positioning and locking are completed, and the integral rigidity of the clamp is improved;

10. the two floating support devices 5 extend out and are automatically locked after touching the bottom of the upper plate 31, so that the auxiliary support of the upper plate 31 is completed, and the integral rigidity of the clamp is improved.

According to the angle adjusting clamp, the rotary shaft is arranged to enable the fixing assembly to rotate left and right, so that angle adjustment of clamping a workpiece is achieved. In the process of angle adjustment, support fixed subassembly through setting up horizontal support piece when horizontal clamping, support fixed subassembly through setting up the angle support piece when being angle clamping, simultaneously, still adopt floating strutting arrangement to carry out auxiliary stay, further improved the rigidity of whole anchor clamps, make the course of working more reliable and stable. The angle adjusting clamp can realize the rapid switching of various angle postures, and if the whole clamp is automatically controlled by the control system, the clamping work of the whole clamp is simpler and easier to operate, and the clamping efficiency of the clamp can be effectively improved. The angle adjusting clamp disclosed by the utility model can be used for processing a plurality of angles through one-time clamping of a workpiece, so that the clamping frequency is reduced, the clamping efficiency is improved, meanwhile, the processing error caused by repeated clamping is avoided, and the processing precision is improved. The device has the advantages of small volume, small occupied space and high rigidity. When the clamp is in the angle posture required by clamping, the moving mechanism is wedged by the horizontal supporting block or the angle supporting block, so that the rigidity of the clamp is ensured to the greatest extent, and the processing of large cutting quantity of a workpiece can be met.

The angle adjusting clamp greatly improves the switching efficiency of clamping angles, the clamp in the prior art is manually adjusted and corrected in precision, and generally about 60 minutes are needed for each posture change, and the clamp can finish posture switching and precision assurance of the clamp within 60 seconds, so that the clamping efficiency is improved by tens of times, and meanwhile, the labor intensity of workers is greatly reduced. The angle posture of the clamp in the prior art is manually aligned by means of a dial indicator and the like, and the alignment error exists in precision.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A multi-angle adjusting clamp; characterized by comprising the following steps: the device comprises a rotary shaft, a fixing assembly, a driving assembly and a supporting assembly; the fixed component is fixedly connected with the rotary shaft, and the rotary shaft can drive the fixed component to rotate together; the driving assembly comprises two jacking devices which are respectively arranged at two sides of the rotating shaft and fixedly connected with the lower surface of the fixing assembly; the support assembly comprises two groups of support devices, and the two groups of support devices are respectively arranged on two sides of the rotating shaft and are used for being abutted with the lower surface of the fixing assembly.

2. The multi-angle adjustment fixture of claim 1, wherein: the rotary shaft and the driving assembly are respectively fixed on the bottom plate; the fixing component comprises an upper plate and an electromagnetic chuck; the upper plate is fixedly connected with the rotating shaft, the electromagnetic chuck is fixed on the upper plate, and the electromagnetic chuck is used for fixing a workpiece to be processed.

3. The multi-angle adjustment fixture of claim 2, wherein: the fixing component further comprises a positioning component and a clamping component which are arranged on the electromagnetic chuck; the positioning component is used for positioning the workpiece; the clamping assembly is used for enabling the workpiece to lean against the positioning assembly.

4. The multi-angle adjustment fixture of claim 2, wherein: the two jacking devices are symmetrically arranged on two sides of the rotating shaft, and the jacking strokes of the two jacking devices are equal.

5. The multi-angle adjustment fixture of claim 2, wherein: each group of supporting devices comprises two supporting units, and the two supporting units are respectively arranged close to two ends of the upper plate in the width direction.

6. The multi-angle adjustment fixture of claim 5, wherein: the supporting unit comprises a positioning rod, a horizontal supporting component and an angle supporting component; the upper end part of the positioning rod is detachably connected with the upper plate, the horizontal support assembly comprises a horizontal support block, and the horizontal support block is used for being padded below the positioning rod when a workpiece is horizontally processed so as to support the positioning rod; the angle support assembly comprises an angle support block, and the angle support block is used for being padded below the positioning rod when a workpiece and a horizontal surface are processed at a certain angle so as to support the positioning rod.

7. The multi-angle adjustment fixture of claim 6, wherein: the positioning rod comprises an abutting part arranged at the bottom end of the positioning rod, and the bottom surface of the abutting part is a first wedge-shaped surface; the upper surfaces of the horizontal supporting block and the angle supporting block are respectively provided with a second wedge-shaped surface matched with the first wedge-shaped surface; the horizontal support assembly further comprises a first driving mechanism fixed on the bottom plate, and the first driving mechanism is used for driving the horizontal support block; the angle support assembly further comprises a second driving mechanism fixed on the bottom plate, and the second driving mechanism is used for driving the angle support block.

8. The multi-angle adjustment fixture of claim 6, wherein: the supporting unit further comprises a limit stop which is arranged on one side, close to the rotating shaft, of the positioning rod and is used for abutting against the side wall of the positioning rod when the jacking devices on the same side jack the upper plate.

9. The multi-angle adjustment fixture of claim 2, wherein: the floating support device is arranged on the bottom plates at two sides of the rotating shaft respectively, and the support end of the floating support device is used for carrying out floating support on the fixing assembly.

10. A processing apparatus, characterized in that: comprising a multi-angle adjustment fixture according to any one of claims 1 to 9.