CN109352523B - Five-claw self-centering clamping tool with detection function - Google Patents
Five-claw self-centering clamping tool with detection function Download PDFInfo
- Publication number
- CN109352523B CN109352523B CN201811367428.4A CN201811367428A CN109352523B CN 109352523 B CN109352523 B CN 109352523B CN 201811367428 A CN201811367428 A CN 201811367428A CN 109352523 B CN109352523 B CN 109352523B
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- air pressure
- pressure detection
- detection head
- head
- turntable
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 238000004512 die casting Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a five-claw self-centering clamping tool with a detection function, which relates to the technical field of aluminum alloy die casting and comprises a bottom plate, a clamping assembly and an air pressure detection assembly, wherein the clamping assembly comprises a turntable seat, a turntable, a pressing assembly and a pushing assembly, and the air pressure detection assembly comprises an air pressure detection head I, an air pressure detection head II, an air pressure detection head III and an air pressure detection head IV.
Description
Technical Field
The invention relates to the technical field of aluminum alloy die casting, in particular to a five-claw self-centering clamping tool with a detection function.
Background
The locking cover of the automobile starting air inlet pipe is difficult to clamp and position in the machining process due to the irregular shape, particularly when the end face of the locking cover is polished, the common method is to clamp by the side face, and no efficient clamping tool exists at present.
Chinese patent publication No. CN106272160B discloses a self-centering clamping mechanism, wherein an outer ring is sleeved on the outer circumferential surface of the inner ring, and the two are in clearance fit. The ball head ends of the telescopic shafts in the telescopic bodies penetrate through the guide holes on the circumference of the inner ring body and then are arranged in the sliding grooves on the inner circular surface of the outer ring body. The worm wheel body is fixed on the end face of the inner ring body; the worm is fixed on the end face of the outer ring body through a bearing seat and is meshed with the worm wheel body, so that relative rotation is generated between the outer ring body and the inner ring body. The number of the guide holes on the outer circumferential surface of the inner ring body, the number of the sliding grooves on the inner circumferential surface of the outer ring body and the number of the telescopic bodies are the same. In the clamping process, all clamping blocks simultaneously extend and retract through the telescopic bolts, and the clamping blocks are simultaneously rounded in the clamping process. But the purpose is to perform the rounding, and the way used is rough and inefficient, which is not suitable for locking caps with irregular shapes.
Disclosure of Invention
The invention aims to provide a five-claw self-centering clamping tool with a detection function, so as to solve the defects caused by the prior art.
The five-claw self-centering clamping tool with the detection function comprises a bottom plate and a clamping assembly, wherein the clamping assembly comprises a turntable seat, a turntable, a pressing assembly and a pushing assembly, a concave part for installing the turntable seat is arranged on the bottom plate, a through product placement hole is formed above the concave part, a plurality of supporting bosses matched with products are arranged on the inner wall of the placement hole, an annular groove is formed in the turntable seat, the turntable is rotationally connected in the annular groove and positioned between the bottom plate and the turntable seat, five guide grooves are formed in the bottom surface of the concave part, a chuck is slidably connected in the guide grooves, a short column is connected at the bottom of the chuck, five track grooves are formed in the turntable, and the short column is slidably connected in the track grooves;
the pressing assembly comprises a pressing head, a cross rod and a rotary telescopic hydraulic cylinder, wherein the output end of the rotary telescopic hydraulic cylinder is connected with the center of the cross rod, the two ends of the cross rod are connected with the pressing head, a bottom plate above the rotary telescopic hydraulic cylinder is also connected with a limiting support, the limiting support consists of two upright posts, a top cover and a base, and the top cover and the base are respectively fixed at the two ends of the upright posts;
the pushing assembly comprises a transverse hydraulic cylinder, a connecting block and a rotating shaft, the transverse hydraulic cylinder is arranged on the bottom plate, the output end of the transverse hydraulic cylinder is connected to the connecting block, the connecting block is sleeved on the rotating shaft, the connecting block and the rotating shaft are in clearance fit, and the rotating shaft is fixed on the top surface of the turntable;
the air pressure detection assembly comprises an air pressure detection head I, an air pressure detection head II, an air pressure detection head III and an air pressure detection head IV, wherein the air pressure detection head I and the air pressure detection head II are arranged on the bottom plate and are respectively positioned on two sides of the connecting block, the air pressure detection head III is arranged on the top cover, the air outlet end of the air pressure detection head III is coplanar with the bottom surface of the top cover, and the air pressure detection head IV is positioned on one side of the cross rod and is perpendicular to the air pressure detection head II.
Preferably, the turntable seats at two sides of the annular groove are also provided with supporting blocks matched with the clamping heads.
Preferably, the mounting seat of the lifting oil cylinder is also connected with a limiting bracket, the limiting bracket consists of two upright posts and a top cover, the top cover is fixed at the top ends of the upright posts, and the lower ends of the upright posts are mounted on the lifting oil cylinder.
Preferably, the pressure head is in a truncated cone shape.
Preferably, an arc-shaped groove is formed in the inner end of the chuck.
Preferably, the first air pressure detecting head, the second air pressure detecting head, the third air pressure detecting head and the fourth air pressure detecting head are all in tubular structures and are respectively connected to corresponding air pressure detecting equipment and an air source.
Preferably, the first air pressure detecting head and the second air pressure detecting head are located in the moving direction of the connecting block.
The invention has the advantages that:
(1) The invention has simple structure and convenient operation, firstly, the placed product is pre-positioned by utilizing the pressing component, then the turntable is pushed by the pushing component to rotate, the clamping head moves inwards under the action of the track groove to clamp the bulge part around the lock cover, so that the clamping and positioning of the product are realized;
(2) The design of the placement holes and the support bosses on the bottom plate can realize the pre-placement of products, the compression assembly adopts a rotary telescopic hydraulic cylinder to realize lifting, and the compression force is stable;
(3) By means of the air pressure detection assembly, whether each step reaches an expected target or not is achieved, whether the processing process of the product is strictly carried out according to a specified route or not is judged, and accuracy is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a turntable and a turntable base portion in the present invention.
Fig. 3 is a schematic structural view of a base plate in the present invention.
Fig. 4 is a schematic structural view of a base plate and a rotary telescopic hydraulic cylinder portion in the present invention.
Fig. 5 is a schematic structural view of a chuck according to the present invention.
FIG. 6 is a schematic diagram of the structure of the product of the present invention.
Fig. 7 is a bottom view of the spacing bracket of the present invention.
The device comprises a 1-bottom plate, a 2-turntable seat, a 3-turntable, a 4-compression component, a 41-pressure head, a 42-cross rod, a 43-rotary telescopic hydraulic cylinder, a 5-pushing component, a 51-transverse hydraulic cylinder, a 52-connecting block, a 53-rotating shaft, a 6-concave part, a 7-placing hole, an 8-supporting boss, a 9-annular groove, a 10-guiding groove, an 11-chuck, a 12-short column, a 13-track groove, a 14-supporting block, a 15-limiting support, a 151-upright post, a 152-top cover, a 153-base, a 16-product, a 17-air pressure detection head I, a 18-air pressure detection head II, a 19-air pressure detection head III and a 20-air pressure detection head IV.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 6, a five-claw self-centering clamping tool with a detection function comprises a bottom plate 1 and a clamping assembly, wherein the clamping assembly comprises a turntable seat 2, a turntable 3, a pressing assembly 4 and a pushing assembly 5, a concave part 6 for installing the turntable seat 2 is arranged on the bottom plate 1, a through product 16 placing hole 7 is arranged above the concave part 6, a plurality of supporting bosses 8 matched with the product 16 are arranged on the inner wall of the placing hole 7, an annular groove 9 is arranged on the turntable seat 2, the turntable 3 is rotatably connected in the annular groove 9 and is positioned between the bottom plate 1 and the turntable seat 2, five guide grooves 10 are arranged on the bottom surface of the concave part 6, a chuck 11 is slidably connected in the guide grooves 10, short columns 12 are connected to the bottom of the chuck 11, five track grooves 13 are arranged on the turntable 3, and the short columns 12 are slidably connected in the track grooves 13;
the pressing assembly 4 comprises a pressing head 41, a cross rod 42 and a rotary telescopic hydraulic cylinder 43, wherein the output end of the rotary telescopic hydraulic cylinder 43 is connected with the center of the cross rod 42, two ends of the cross rod 42 are connected with the pressing head 41, a bottom plate above the rotary telescopic hydraulic cylinder 43 is also connected with a limiting bracket 15, the limiting bracket 15 consists of two upright posts 151, a top cover 152 and a base 153, and the top cover 152 and the base 153 are respectively fixed at two ends of the upright posts 151;
the pushing assembly 5 comprises a transverse hydraulic cylinder 51, a connecting block 52 and a rotating shaft 53, wherein the transverse hydraulic cylinder 51 is arranged on the bottom plate 1, the output end of the transverse hydraulic cylinder is connected to the connecting block 52, the connecting block 52 is sleeved on the rotating shaft 53, clearance fit is formed between the connecting block 52 and the rotating shaft, and the rotating shaft 53 is fixed on the top surface of the turntable 3. The clearance mentioned here needs to ensure that the rotating shaft 53 has a certain activity space allowance when rotating along with the turntable 3, so as to avoid interference;
the air pressure detecting assembly comprises an air pressure detecting head I17, an air pressure detecting head II 18, an air pressure detecting head III 19 and an air pressure detecting head IV 20, wherein the air pressure detecting head I17 and the air pressure detecting head II 18 are arranged on the bottom plate 1 and are respectively positioned on two sides of the connecting block 52, the air pressure detecting head III 19 is arranged on the top cover 152, the air outlet end of the air pressure detecting head III is coplanar with the bottom surface of the top cover 152, as shown in fig. 7, the connecting line between the two air pressure detecting heads III 19 is perpendicular to the moving direction of the connecting block 52, and the air pressure detecting head IV 20 is positioned on one side of the cross rod 42 and is perpendicular to the air pressure detecting head II 18. The first air pressure detecting head 17, the second air pressure detecting head 18, the third air pressure detecting head 19 and the fourth air pressure detecting head 20 are all of tubular structures and are respectively connected to corresponding air pressure detecting equipment and an air source. The air source provides gas for detecting the air pressure detecting component, the air pressure detecting device is arranged between the air pressure detecting component and the air pressure detecting component, and a pressure gauge or other similar devices can be selected for detecting air pressure change.
In this embodiment, the turntable base 2 at two sides of the annular groove 9 is further provided with a supporting block 14 matched with the chuck 11, so as to support the chuck 11 to slide back and forth.
Example 2
As shown in fig. 1 to 6, a five-claw self-centering clamping tool with a detection function comprises a bottom plate 1 and a clamping assembly, wherein the clamping assembly comprises a turntable seat 2, a turntable 3, a pressing assembly 4 and a pushing assembly 5, a concave part 6 for installing the turntable seat 2 is arranged on the bottom plate 1, a through product 16 placing hole 7 is arranged above the concave part 6, a plurality of supporting bosses 8 matched with the product 16 are arranged on the inner wall of the placing hole 7, an annular groove 9 is arranged on the turntable seat 2, the turntable 3 is rotatably connected in the annular groove 9 and is positioned between the bottom plate 1 and the turntable seat 2, five guide grooves 10 are arranged on the bottom surface of the concave part 6, a chuck 11 is slidably connected in the guide grooves 10, short columns 12 are connected to the bottom of the chuck 11, five track grooves 13 are arranged on the turntable 3, and the short columns 12 are slidably connected in the track grooves 13;
the pressing assembly 4 comprises a pressing head 41, a cross rod 42 and a rotary telescopic hydraulic cylinder 43, wherein the output end of the rotary telescopic hydraulic cylinder 43 is connected with the center of the cross rod 42, two ends of the cross rod 42 are connected with the pressing head 41, a bottom plate above the rotary telescopic hydraulic cylinder 43 is also connected with a limiting bracket 15, the limiting bracket 15 consists of two upright posts 151, a top cover 152 and a base 153, and the top cover 152 and the base 153 are respectively fixed at two ends of the upright posts 151;
the pushing assembly 5 comprises a transverse hydraulic cylinder 51, a connecting block 52 and a rotating shaft 53, wherein the transverse hydraulic cylinder 51 is arranged on the bottom plate 1, the output end of the transverse hydraulic cylinder is connected to the connecting block 52, the connecting block 52 is sleeved on the rotating shaft 53, clearance fit is formed between the connecting block 52 and the rotating shaft, and the rotating shaft 53 is fixed on the top surface of the turntable 3. The clearance mentioned here needs to ensure that the rotating shaft 53 has a certain activity space allowance when rotating along with the turntable 3, so as to avoid interference;
the air pressure detecting assembly comprises an air pressure detecting head I17, an air pressure detecting head II 18, an air pressure detecting head III 19 and an air pressure detecting head IV 20, wherein the air pressure detecting head I17 and the air pressure detecting head II 18 are arranged on the bottom plate 1 and are respectively positioned on two sides of the connecting block 52, the air pressure detecting head III 19 is arranged on the top cover 152, the air outlet end of the air pressure detecting head III is coplanar with the bottom surface of the top cover 152, as shown in fig. 7, the connecting line between the two air pressure detecting heads III 19 is perpendicular to the moving direction of the connecting block 52, and the air pressure detecting head IV 20 is positioned on one side of the cross rod 42 and is perpendicular to the air pressure detecting head II 18. The first air pressure detecting head 17, the second air pressure detecting head 18, the third air pressure detecting head 19 and the fourth air pressure detecting head 20 are all of tubular structures and are respectively connected to corresponding air pressure detecting equipment and an air source. The air source provides gas for detecting the air pressure detecting component, the air pressure detecting device is arranged between the air pressure detecting component and the air pressure detecting component, and a pressure gauge or other similar devices can be selected for detecting air pressure change. The first air pressure detecting head 17 and the second air pressure detecting head 18 are located in the moving direction of the connecting block 52.
In this embodiment, the turntable base 2 at two sides of the annular groove 9 is further provided with a supporting block 14 matched with the chuck 11, so as to support the chuck 11 to slide back and forth.
In this embodiment, the pressing head 41 is in a shape of a truncated cone, and is matched with the shape of the product 16, and the pressing head 41 made of rubber can be used for buffering and protecting.
In this embodiment, the inner end of the chuck 11 is provided with an arc-shaped groove, which is matched with the protrusion on the outer side of the product 16, so as to prevent the product 16 from rotating after clamping.
The working process and principle of the invention are as follows: firstly, a worker puts a product 16 into a placing hole 7, a supporting boss 8 plays a supporting role, then a rotary telescopic hydraulic cylinder 43 descends and pre-presses the product 16, at the moment, the air outlet end of a pneumatic detection head four 20 is blocked, a pneumatic detection device connected with the pneumatic detection head detects a pneumatic variation signal, the fact that the pressure head 41 reaches a specified position is indicated, then a transverse hydraulic cylinder 51 contracts to the specified position, a turntable 3 is pushed to rotate by a small angle, a clamping head 11 moves inwards under the action of a track groove 13 to clamp the bulge part around a lock cover, clamping and positioning of the product 16 are achieved, at the moment, the inner end face of a connecting block 52 is contacted with a pneumatic detection head one 17, the air outlet end of the pneumatic detection head one 17 is blocked, and the pneumatic detection device connected with the pneumatic detection head detects a pneumatic variation signal, so that the product is clamped. Then the cross rod 42 is lifted up under the drive of the rotary telescopic hydraulic cylinder 43 and rotates clockwise for 90 degrees, the cross rod 42 at this time plugs the air outlet end of the air pressure detecting head III 19, and in the same way, the air pressure detecting equipment connected with the cross rod detects an air pressure change signal, which indicates that the pressure head 41 is loosened and reaches a specified position, the upper end face of a product can be polished at this time, after the polishing is finished, the transverse hydraulic cylinder 42 extends out, the outer end face of the connecting block 52 at this time is in contact with the air pressure detecting head II 18, the air outlet end of the air pressure detecting head II 18 is plugged, and the air pressure detecting equipment connected with the cross rod detects an air pressure change signal, which indicates that the product is loosened.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (3)
1. Five-claw self-centering clamping tool with detection function is characterized by comprising a bottom plate (1), a clamping assembly and an air pressure detection assembly, wherein the two clamping assemblies comprise a turntable seat (2), a turntable (3), a pressing assembly (4) and a pushing assembly (5), a concave part (6) for installing the turntable seat (2) is arranged on the bottom plate (1), a through product (16) placing hole (7) is arranged above the concave part (6), a plurality of supporting bosses (8) matched with the product (16) are arranged on the inner wall of the placing hole (7), an annular groove (9) is arranged on the turntable seat (2), the turntable (3) is rotatably connected in the annular groove (9) and is positioned between the bottom plate (1) and the turntable seat (2), five guide grooves (10) are arranged on the bottom surface of the concave part (6), a chuck (11) is connected in a sliding manner in the guide grooves (10), a short column (12) is connected at the bottom of the chuck (11), five track grooves (13) are arranged on the turntable (3), and the track grooves (12) are connected in the track grooves (13) in a sliding manner.
The pressing assembly (4) comprises a pressing head (41), a cross rod (42) and a rotary telescopic hydraulic cylinder (43), wherein the output end of the rotary telescopic hydraulic cylinder (43) is connected with the center of the cross rod (42), the two ends of the cross rod (42) are connected with the pressing head (41), a limiting support (15) is further connected to a bottom plate above the rotary telescopic hydraulic cylinder (43), the limiting support (15) consists of two upright posts (151), a top cover (152) and a base (153), and the top cover (152) and the base (153) are respectively fixed at the two ends of the upright posts (151);
the pushing assembly (5) comprises a transverse hydraulic cylinder (51), a connecting block (52) and a rotating shaft (53), wherein the transverse hydraulic cylinder (51) is arranged on the bottom plate (1) and the output end of the transverse hydraulic cylinder is connected to the connecting block (52), the connecting block (52) is sleeved on the rotating shaft (53) and is in clearance fit with the rotating shaft (53), and the rotating shaft (53) is fixed on the top surface of the rotating disc (3);
the air pressure detection assembly comprises an air pressure detection head I (17), an air pressure detection head II (18), an air pressure detection head III (19) and an air pressure detection head IV (20), wherein the air pressure detection head I (17) and the air pressure detection head II (18) are arranged on the bottom plate (1) and are respectively positioned on two sides of the connecting block (52), the air pressure detection head III (19) is arranged on the top cover (152) and the air outlet end of the air pressure detection head III is coplanar with the bottom surface of the top cover (152), and the air pressure detection head IV (20) is positioned on one side of the cross rod (42) and is perpendicular to the air pressure detection head II (18);
the inner end of the chuck (11) is provided with an arc-shaped groove; the first air pressure detection head (17), the second air pressure detection head (18), the third air pressure detection head (19) and the fourth air pressure detection head (20) are all of tubular structures and are respectively connected to corresponding air pressure detection equipment and an air source; the first air pressure detection head (17) and the second air pressure detection head (18) are positioned in the moving direction of the connecting block (52).
2. The five-jaw self-centering clamping tool with a detection function as claimed in claim 1, wherein: the rotary disc seats (2) at two sides of the annular groove (9) are also provided with supporting blocks (14) matched with the clamping heads (11).
3. The five-jaw self-centering clamping tool with a detection function as claimed in claim 1, wherein: the pressure head (41) is in a truncated cone shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367428.4A CN109352523B (en) | 2018-11-16 | 2018-11-16 | Five-claw self-centering clamping tool with detection function |
| PCT/CN2019/116046 WO2020098547A1 (en) | 2018-11-16 | 2019-11-06 | Five-jaw self-centering clamping tool having detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811367428.4A CN109352523B (en) | 2018-11-16 | 2018-11-16 | Five-claw self-centering clamping tool with detection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352523A CN109352523A (en) | 2019-02-19 |
| CN109352523B true CN109352523B (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811367428.4A Active CN109352523B (en) | 2018-11-16 | 2018-11-16 | Five-claw self-centering clamping tool with detection function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109352523B (en) |
| WO (1) | WO2020098547A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352524A (en) * | 2018-11-16 | 2019-02-19 | 芜湖仅机械有限公司 | A kind of five jaw self-centering clamping tools |
| CN109352523B (en) * | 2018-11-16 | 2023-11-07 | 芜湖仅一机械有限公司 | Five-claw self-centering clamping tool with detection function |
| CN112414378B (en) * | 2019-08-22 | 2023-02-28 | 南京泉峰科技有限公司 | Fixing device for demarcation device |
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| JP5435908B2 (en) * | 2008-08-06 | 2014-03-05 | パスカルエンジニアリング株式会社 | Clamping device |
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| CN207387162U (en) * | 2017-11-09 | 2018-05-22 | 重庆渝江压铸有限公司 | State switches fixture |
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2019
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| EP0124306A1 (en) * | 1983-05-02 | 1984-11-07 | Silicon Technology Corporation | A balanced rotary saw assembly and a method of balancing the same |
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| CN205325534U (en) * | 2016-01-13 | 2016-06-22 | 安川首钢机器人有限公司 | A fixing device for pipeline location |
| CN106272160A (en) * | 2016-08-29 | 2017-01-04 | 西安航天动力机械厂 | A kind of automatic centering clamping mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109352523A (en) | 2019-02-19 |
| WO2020098547A1 (en) | 2020-05-22 |
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