CN214980475U - Centering and holding fixing device - Google Patents
Centering and holding fixing device Download PDFInfo
- Publication number
- CN214980475U CN214980475U CN202120982610.1U CN202120982610U CN214980475U CN 214980475 U CN214980475 U CN 214980475U CN 202120982610 U CN202120982610 U CN 202120982610U CN 214980475 U CN214980475 U CN 214980475U
- Authority
- CN
- China
- Prior art keywords
- shaped
- connecting rod
- positioning pin
- pressing block
- pin hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a fixing device is held tightly in centering, compress tightly part and protection part including main body frame, application of force part, fixed. The main body frame comprises a base plate, a vertical plate, a C-shaped platform and a reversed V-shaped fixing seat. The base plate is a cuboid I, and four positioning screw holes I and a round pin hole I are formed in the base plate. The riser sets up on the base plate, and four risers are the rectangle and distribute. The upper ends of the vertical plates are arranged on the lower bottom surface of the C-shaped platform; a second positioning screw hole is formed in the C-shaped platform. The problem of error of the pressing surface can be obviously improved, the pressing block can be more effectively attached to a product, and indentation damage of the product can be effectively reduced. The centering stress of the product is balanced. Has the functions of protecting the cylinder and protecting products.
Description
Technical Field
The utility model relates to an anchor clamps field especially relates to a fixing device is held tightly to centering.
Background
The jig is a device for fixing a processing object in a machine manufacturing process so that the processing object is located at a correct position to receive construction or inspection. When the automobile clamp is used by combining a plurality of components, and local correction is performed on the automobile clamp, a centering and clasping fixing device is needed to fix the automobile clamp in order to obtain a better correction effect.
In the prior art, most of centering and clasping fixing devices adopt a three-jaw chuck for positioning and clamping, but have the defects of low operation efficiency, low centering performance on clamps with certain shapes, difficult clasping and easy relative sliding; the combined clamp is also adopted for combination, but the defects of large occupied space and difficulty in controlling the force application magnitude exist, and the clamp can be possibly damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fixing device is held tightly to centering has solved the big scheduling problem of centering nature not good, easy slip, pressure inequality, occupation space and the operation degree of difficulty that current fixing device exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centering, clasping and fixing device comprises a main body frame, a force application part, a fixing and pressing part and a protection part.
The main body frame comprises a base plate, a vertical plate, a C-shaped platform and a reversed V-shaped fixing seat.
The base plate is a cuboid I, and four positioning screw holes I and a round pin hole I are formed in the base plate.
The riser sets up on the base plate, and four risers are the rectangle and distribute.
The upper ends of the vertical plates are arranged on the lower bottom surface of the C-shaped platform; a second positioning screw hole is formed in the C-shaped platform.
The 'n' -shaped fixing seats are arranged on the base plate, the side walls of the 'n' -shaped fixing seats are fixedly connected with the inner side walls of the vertical plates, and the 'n' -shaped fixing seats are positioned below the 'C' -shaped platform.
The U-shaped fixing seat is characterized in that a guide groove is formed in the U-shaped fixing seat and is a through groove with a U-shaped opening.
The force application part comprises a power cylinder, a T-shaped connecting rod, a short connecting rod and a pressure application connecting rod.
The power cylinder is arranged on the lower bottom surface of the base plate, and a movable rod of the power cylinder penetrates through the first round pin hole and then is arranged on the T-shaped connecting rod.
A first fixing screw hole is formed in the end of a vertical rod of the T-shaped connecting rod, a second positioning pin hole and a first positioning pin hole are formed in a horizontal rod of the T-shaped connecting rod, and the second positioning pin hole is located between the first positioning pin holes.
Two positioning pin holes III are formed in the short connecting rod; the short connecting rod is connected to the T-shaped connecting rod through a third positioning pin hole and a first positioning pin hole by a pin shaft.
The pressing connecting rod is an A-shaped rod, four mounting holes and two positioning screw holes III are formed in the upper end of the pressing connecting rod, the four mounting holes are distributed in a rectangular mode, and the positioning screw holes II are located between the two horizontal mounting holes; the pressure applying connecting rod is provided with a positioning pin hole IV and a positioning pin hole V, and the positioning pin hole IV is positioned between the positioning screw hole II and the positioning pin hole V; the pressure connecting rod is connected to the side wall of the inverted U-shaped fixed seat through four pin shafts of the positioning pin holes.
And the pressure-applying connecting rod is connected to the short connecting rod through a third positioning pin hole and a fifth positioning pin hole.
The fixed pressing part comprises a first pressing block unit and a second pressing block unit.
The first pressing block unit comprises a crescent-like panel, a conical pressing block and an L-shaped pressing block.
The crescent-like panel is provided with four fixing screw holes II and six fixing screw holes III, and the fixing screw holes II are matched with the mounting holes; two conical pressing blocks and an L-shaped pressing block are respectively arranged on the six fixing screw holes III; the outer conical pressing block is higher than the inner conical pressing block, and the L-shaped pressing block is positioned at the innermost side.
The second pressing block unit comprises a hexagon-like panel, a conical pressing block and an L-shaped pressing block.
The hexagon-like panel is provided with four fixing screw holes IV and six fixing screw holes V, and the fixing screw holes IV are matched with the mounting holes; two conical pressing blocks and an L-shaped pressing block are respectively arranged on the six fixing screw holes; the L-shaped pressing block is positioned at the innermost side.
The first briquetting unit is higher than the second briquetting unit.
The fixed pressing part is detachably connected to the pressing connecting rod.
The protection part comprises a cylinder protection mechanism and a product protection mechanism.
The cylinder protection mechanism comprises a positioning pin shaft and a sliding block.
And the positioning pin shaft is arranged in the second positioning pin hole, and two ends of the positioning pin shaft are provided with sliding blocks.
The sliding block is connected in the guide groove in a sliding mode.
The product protection mechanism comprises a protection bottom plate and a limit screw.
The protection bottom plate is arranged on the fixing seat in the shape of a Chinese character ji, a positioning screw hole is formed in the protection bottom plate, and the limiting screw rod is connected in the positioning screw hole through a bolt.
Compared with the prior art, the method has the beneficial effects that:
the utility model discloses in, through main body frame, application of force part, the fixed integration setting that compresses tightly part and protection part, can realize following effect:
(1) the first pressing block unit and the second pressing block unit are both designed with bidirectional adjustment, and the problem of pressing surface errors caused by machining, installation and the like can be remarkably improved, so that the pressing blocks can be attached to products more effectively, and indentation damage of the products can be effectively reduced.
(2) The force arm at the first pressing unit or the second pressing unit is 1/2 of the pressing arm at the pin shaft in the positioning pin hole five, and the relative pressing force is amplified by 2 times.
(3) The two four-bar hinge mechanisms form a centering and holding mechanism, so that the problems of product centering and stress balance are solved.
(4) The guide groove 106 is combined with the T-shaped connecting rod, and the T-shaped fixed seat absorbs the torque brought by the connecting block, so that the air cylinder is protected.
(5) An adjusting screw rod is arranged above the T-shaped connecting rod to control the briquetting stroke of the briquetting unit and protect products.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the front view of the partial cross-section structure of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
fig. 5 is a schematic top view of the present invention.
In the figure: 101. the novel structural component comprises a base plate, 102 risers, 103- 'C' -shaped platforms, 104- 'n' -shaped fixed seats, 105-round pin holes I, 106-guide grooves, 202- 'T' -shaped connecting rods, 201-power cylinders, 202- 'T' -shaped connecting rods, 203-fixing screw holes I, 204-positioning pin holes I, 205-positioning pin holes II, 206-short connecting rods, 207-pressing connecting rods, 208-mounting holes, 209-positioning pin holes IV, 210-positioning pin holes V, 301-crescent-like panels, 302-conical pressing blocks, 303- 'L' -shaped pressing blocks, 304-hexagon-like panels, 401-positioning pin shafts, 402-sliding blocks, 403-protective bottom plates and 404-limiting screws.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Embodiment 1, referring to fig. 1 to 5, a centering and clasping fixing device includes a main body frame, a force application part, a fixing and pressing part, and a protection part.
The main body frame comprises a base plate 101, a vertical plate 102, a C-shaped platform 103 and a fixing seat 104 in a shape like a Chinese character 'ji'.
The base plate 101 is a cuboid I, and four positioning screw holes I and a round pin hole I105 are formed in the base plate 101.
The risers 102 are arranged on the base plate 101, and the four risers 102 are distributed in a rectangular shape.
The upper ends of the vertical plates 102 are arranged on the lower bottom surface of the C-shaped platform 103; a second positioning screw hole is arranged on the C-shaped platform 103.
The fixing seat 104 is disposed on the substrate 101, the side wall of the fixing seat 104 is fixedly connected to the inner side wall of the vertical plate 102, and the fixing seat 104 is disposed below the platform 103.
The fixing seat 104 is provided with a guide groove 106, and the guide groove 106 is a through groove with a U-shaped opening.
The force application portion includes a power cylinder 201, a "T" shaped link 202, a short link 206, and a pressing link 207.
The power cylinder 201 is arranged on the lower bottom surface of the base plate 101, and a movable rod of the power cylinder penetrates through the first circular pin hole 105 and then is arranged on the T-shaped connecting rod 202.
A first fixing screw hole 203 is formed in the end of a vertical rod of the T-shaped connecting rod 202, two first positioning pin holes 204 and a second positioning pin hole 205 are formed in the horizontal rod of the T-shaped connecting rod 202, and the second positioning pin hole 205 is located between the two first positioning pin holes 204.
Two positioning pin holes III are formed in the short connecting rod 206; the short connecting rod 206 is pivotally connected to the "T" shaped connecting rod 202 via a third alignment pin hole and a first alignment pin hole 204.
The pressing connecting rod 207 is an A-shaped rod, four mounting holes 208 and two positioning screw holes III are formed in the upper end of the pressing connecting rod 207, the four mounting holes 208 are distributed in a rectangular shape, and the positioning screw holes II are located between the two horizontal mounting holes 208; a positioning pin hole IV 209 and a positioning pin hole V210 are arranged on the pressure connecting rod 207, and the positioning pin hole IV 209 is positioned between the positioning screw hole II and the positioning pin hole V210; the pressing connecting rod 207 is connected to the side wall of the fixing seat 104 in the shape of a Chinese character 'ji' through a positioning pin hole four 209 pin shaft.
The pressure applying connecting rod 207 is pin-connected to the short connecting rod 206 through a third positioning pin hole and a fifth positioning pin hole 210.
The fixed pressing part comprises a first pressing block unit and a second pressing block unit.
The first pressing block unit comprises a crescent-like panel 301, a tapered pressing block 302 and an L-shaped pressing block 303.
The crescent-like panel 301 is provided with four fixing screw holes II and six fixing screw holes III, and the fixing screw holes II are matched with the mounting holes 208; two conical pressing blocks 302 and an L-shaped pressing block are respectively arranged on the six fixing screw holes III; the outer conical compact 302 is higher than the inner conical compact 302, and the L-shaped compact 303 is positioned at the innermost side.
The second compact unit comprises a hexagon-like panel 304, a tapered compact 302 and an L-shaped compact 303.
The hexagon-like panel 304 is provided with four fixing screw holes four and six fixing screw holes five, and the fixing screw holes four are matched with the mounting holes 208; two conical pressing blocks 302 and an L-shaped pressing block are respectively arranged on the six fixing screw holes; the "L" shaped compact 303 is located innermost.
The first briquetting unit is higher than the second briquetting unit.
The fixed pressing part is detachably coupled to the pressing connection rod 207.
The protection part comprises a cylinder protection mechanism and a product protection mechanism.
The cylinder protection mechanism comprises a positioning pin 401 and a sliding block 402.
The positioning pin 401 is arranged in the second positioning pin hole 205, and the two ends of the positioning pin 401 are provided with sliding blocks 402.
The slider 402 is slidably coupled within the guide slot 106.
The product protection mechanism includes a guard base plate 403 and a stop screw 404.
The protection bottom plate 403 is arranged on the fixing seat 104 shaped like a Chinese character ji, a positioning screw hole is arranged on the protection bottom plate 403, and the limit screw 404 is connected in the positioning screw hole through a bolt.
The working principle and the using method are as follows:
the device is connected to a mechanical arm or a base which is matched with the device, and is accessed to a microprocessor or a PLC controller for debugging.
And placing the clamp or the clamp module between the first briquetting unit and the second briquetting unit through a conveying device, a mechanical arm or a manual work.
Signals are given to the microprocessor through the signal input device, the microprocessor signals stretch out and draw back through the control power cylinder 201, and centering enclasping and loosening of the clamp are achieved.
Centering and holding tightly: the power cylinder 201 pushes the T-shaped connecting rod 202 to move upwards, and the T-shaped connecting rod 202, the short connecting rod 206 and the pressing connecting rod 207 are connected through the pin shaft to form a four-bar hinge mechanism, so that the T-shaped connecting rod 202 moves upwards to drive the short connecting rod 206 and the pressing connecting rod 207 together, the pressing connecting rod 207 and the first pressing block unit (or the second pressing block unit) form a lever structure, the lower end of the pressing connecting rod 207 moves outwards to drive the first pressing block unit (or the second pressing block unit) to move inwards, and finally the clamp is centered and tightly held.
Loosening: the power cylinder 201 pushes the T-shaped connecting rod 202 to move downwards, and similarly, the inward movement of the lower end of the pressing connecting rod 207 drives the first pressing block unit (or the second pressing block unit) to move outwards, and finally the clamp is loosened.
Compared with the traditional fixing device, the device has the following advantages:
(1) the first pressing block unit and the second pressing block unit are both designed with bidirectional adjustment, the positions of the conical pressing block 302 and the L-shaped pressing block 303 have two-directional freedom degrees for adjustment, and the problem of pressing surface errors caused by machining, installation and the like can be remarkably improved, so that the pressing blocks are more effectively attached to the clamp, and indentation damage of products can be effectively reduced.
(2) The T-shaped connecting rod 202, the short connecting rod 206 and the pressure applying connecting rod 207 are connected through a pin shaft to form a four-bar hinge mechanism. The pressure-applying connecting rod 207 is connected to the side wall of the inverted V-shaped fixing seat 104 through a positioning pin hole four 209 by a pin shaft, so that the centering and pressing functions are achieved.
(3) The pressing connecting rod 207, the first pressing block unit or the second pressing block unit, the pin shaft in the fourth positioning pin hole 209 and the pin shaft in the fifth positioning pin hole 210 form a lever mechanism, the force arm at the first pressing block unit or the second pressing block unit is 1/2 of the pressing arm at the pin shaft in the fifth positioning pin hole 210, and the pressing force is amplified by 2 times relatively.
(4) The two four-bar hinge mechanisms form a centering and holding mechanism, so that the problems of centering and stress balance of the clamp are solved.
(5) The inverted V-shaped fixing seat 104 is provided with a guide groove 106, a T-shaped connecting rod 202 is embedded in the guide groove 106 and can move in a 1-direction freedom degree, and the inverted V-shaped fixing seat 104 absorbs torque brought by a connecting block, so that an air cylinder is protected.
(6) The cylinder diameter is 140mm, and the output force is about 8800N. The opening stroke of the briquetting unit can be realized by replacing different cylinder strokes.
(7) An adjusting screw is arranged above the T-shaped connecting rod 202, and the pressing block stroke of the pressing block unit can be controlled by adjusting the reaching position of the T-shaped connecting rod 202 to protect the clamp.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
The utility model discloses the part that does not relate to all adopts prior art to realize.
Claims (8)
1. The utility model provides a fixing device is held tightly in centering which characterized in that:
comprises a main frame, a force application part, a fixed pressing part and a protection part;
the main body frame comprises a base plate, a vertical plate, a C-shaped platform and a reversed V-shaped fixing seat;
the force application part comprises a power cylinder, a T-shaped connecting rod, a short connecting rod and a pressure application connecting rod;
the power cylinder is arranged on the lower bottom surface of the base plate, and a movable rod of the power cylinder penetrates through the first round pin hole and then is arranged on the T-shaped connecting rod;
a first fixing screw hole is formed in the end of a vertical rod of the T-shaped connecting rod, a first positioning pin hole and a second positioning pin hole are formed in a horizontal rod of the T-shaped connecting rod, and the second positioning pin hole is located between the first positioning pin holes;
a third positioning pin hole is formed in the short connecting rod; the short connecting rod is connected to the T-shaped connecting rod through a third positioning pin hole and a first positioning pin hole;
the pressure applying connecting rod is provided with a positioning pin hole IV and a positioning pin hole V, and the positioning pin hole IV is positioned between the positioning screw hole II and the positioning pin hole V; the pressure connecting rod is connected to the side wall of the inverted U-shaped fixed seat through a positioning pin hole and four pin shafts;
the pressure connecting rod is connected to the short connecting rod through a third positioning pin hole and a fifth positioning pin hole;
the fixed pressing part comprises a first pressing block unit and a second pressing block unit;
the fixed pressing part is detachably connected to the pressing connecting rod;
the protection part comprises a cylinder protection mechanism and a product protection mechanism;
the cylinder protection mechanism comprises a positioning pin shaft and a sliding block;
the product protection mechanism comprises a protection bottom plate and a limit screw.
2. The centering clasping fixture as claimed in claim 1, wherein:
the base plate is a cuboid I, and a first positioning screw hole and a first circular pin hole are formed in the base plate;
the vertical plates are arranged on the base plate and are distributed in a rectangular shape;
the upper ends of the vertical plates are arranged on the lower bottom surface of the C-shaped platform; a positioning screw hole II is formed in the C-shaped platform;
the inverted V-shaped fixing seat is arranged on the substrate, the side wall of the inverted V-shaped fixing seat is fixedly connected with the inner side wall of the vertical plate, and the inverted V-shaped fixing seat is positioned below the C-shaped platform;
the U-shaped fixing seat is characterized in that a guide groove is formed in the U-shaped fixing seat and is a through groove with a U-shaped opening.
3. The centering clasping fixture as claimed in claim 1, wherein:
the first pressing block unit comprises a crescent-like panel, a conical pressing block and an L-shaped pressing block;
a second fixing screw hole and a third fixing screw hole are formed in the crescent-like panel;
the second fixing screw hole is matched with the mounting hole;
a conical pressing block and an L-shaped pressing block are arranged on the third fixing screw hole; the outer conical pressing block is higher than the inner conical pressing block, and the L-shaped pressing block is positioned at the innermost side.
4. The centering clasping fixture as claimed in claim 1, wherein:
the second pressing block unit comprises a hexagon-like panel, a conical pressing block and an L-shaped pressing block;
a fixing screw hole IV and a fixing screw hole V are arranged on the hexagon-like panel, and the fixing screw hole IV is matched with the mounting hole; a conical pressing block and an L-shaped pressing block are arranged on the fixing screw hole V; the L-shaped pressing block is positioned at the innermost side.
5. The centering clasping fixture as claimed in claim 1, wherein:
the positioning pin shaft is arranged in the second positioning pin hole, and two ends of the positioning pin shaft are provided with sliding blocks;
the sliding block is connected in the guide groove in a sliding mode.
6. The centering clasping fixture as claimed in claim 1, wherein:
the protection bottom plate is arranged on the fixing seat in the shape of a Chinese character ji, the protection bottom plate is provided with a positioning screw hole, and the limiting screw rod is connected in the positioning screw hole through a bolt.
7. The centering clasping fixture as claimed in claim 1, wherein:
the pressing connecting rod is an A-shaped rod, a mounting hole and a positioning screw hole III are formed in the pressing connecting rod, the mounting hole is distributed in a rectangular mode, and the positioning screw hole II is located between the horizontal mounting holes.
8. The centering clasping fixture as claimed in claim 1, wherein:
the first briquetting unit is higher than the second briquetting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120982610.1U CN214980475U (en) | 2021-05-10 | 2021-05-10 | Centering and holding fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120982610.1U CN214980475U (en) | 2021-05-10 | 2021-05-10 | Centering and holding fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214980475U true CN214980475U (en) | 2021-12-03 |
Family
ID=79133262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120982610.1U Active CN214980475U (en) | 2021-05-10 | 2021-05-10 | Centering and holding fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214980475U (en) |
-
2021
- 2021-05-10 CN CN202120982610.1U patent/CN214980475U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215239157U (en) | Screw thread tightening mechanism and screw thread tightening device | |
| CN104128733A (en) | Adjustable welding set | |
| CN203679592U (en) | Adjustable welding tool | |
| CN214980475U (en) | Centering and holding fixing device | |
| CN216578351U (en) | Solid wood furniture processing and positioning device | |
| CN113523356B (en) | Cylinder head processing equipment with positioning function | |
| CN210524445U (en) | CNC anchor clamps of numerical control processing | |
| CN212192139U (en) | Vertical CNC processing equipment | |
| CN211277423U (en) | Portable quick adjustable fixture for machining | |
| CN209774092U (en) | Automatic clamp for cylindrical workpiece | |
| CN112959105A (en) | Numerical control machining clamp for thin plate | |
| CN216707223U (en) | Pneumatic type double-station link mechanism for actuator cylinder | |
| CN220196776U (en) | Workpiece positioning device for welding robot workstation | |
| CN210677564U (en) | Metal workpiece welding positioning fixture | |
| CN220881283U (en) | Novel flexible multi-product intelligent tightening machine | |
| CN220575315U (en) | Multifunctional positioning device for machining mechanical arm | |
| CN212009076U (en) | XY axial adjusting device, core adjusting jig thereof and core adjusting machine | |
| CN220762412U (en) | Frock clamp structure that high temperature bearing processing was used | |
| CN218946952U (en) | Self-centering clamp for conical workpiece | |
| CN212385481U (en) | Manipulator for mechanical transmission feeding | |
| CN220659862U (en) | Bolt and nut matched screwing device | |
| CN215200525U (en) | Hardware assembling jig base | |
| CN215433986U (en) | Exhaust hole processing device | |
| CN211803643U (en) | Riveting machine with automatic material taking structure | |
| CN214351071U (en) | Clamping device for milling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |