CN113620051B - Fixed-pressure pneumatic clamp - Google Patents
Fixed-pressure pneumatic clamp Download PDFInfo
- Publication number
- CN113620051B CN113620051B CN202111051016.1A CN202111051016A CN113620051B CN 113620051 B CN113620051 B CN 113620051B CN 202111051016 A CN202111051016 A CN 202111051016A CN 113620051 B CN113620051 B CN 113620051B
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressing
- seat
- plate
- rack
- 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
- 238000003825 pressing Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/905—Control arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a constant-pressure pneumatic clamp which comprises a frame main body, wherein a pressing seat is fixed at the top of the frame main body, a rotating frame is connected to the middle of the frame main body through a rotating shaft, the top end of the rotating frame is provided with the pressing seat, the bottom of the pressing seat is provided with a pressing head pressed with the upper surface of the pressing seat, a pressure sensor propped against the top of the pressing head is arranged in the pressing seat, the bottom of the frame main body is provided with an air cylinder, a piston rod at the top end of the air cylinder is connected with a rack, and the rack is meshed with a gear on the rotating shaft. The pressure sensor is integrated on the pressure head part, and the pressure of the pressure head to the plate is fed back, so that the pressure is controlled, and the plate is well protected; the gear rack transmission mechanism is adopted, so that a larger rotation space is provided for the pressure head, the whole structure of the clamp is kept below the surface of the conveying table surface when the clamp is not needed, the conveying work of the surface of the conveying table surface is not influenced, meanwhile, the structure is simplified, and the conveying of the plate is not hindered.
Description
Technical Field
The invention relates to the field of tool clamps, in particular to a constant-pressure pneumatic clamp.
Background
On a plate processing production line, a clamp is generally required on the production line for conveying and processing the plate, so that the plate is ensured to always maintain a correct position in the conveying and processing processes. In many cases, the thickness of the processed plate is thin, if the pressure of the clamp is too high, the deformation of the plate is caused, and if the pressure of the clamp is too low, the change of the relative position of the plate in the conveying and processing processes is easily caused. In the existing automatic clamp for the production line, a cylinder piston drives a movable guide rod four-bar mechanism to move, and a pressure head is fixed on a connecting rod to compress and loosen a plate. But without force control, the impact on the plate material is easy to occur, so that indentation and even deformation occur.
The common clamp is driven by a four-bar mechanism of a movable guide bar, a pressure head is fixed on a connecting rod of the four-bar mechanism, a piston rod of an air cylinder moves up and down to drive the connecting rod to rotate, and therefore clamping and loosening actions are achieved. The horizontal position of the connecting rod is usually pressed, and the connecting rod is in a tilting state when the clamp is not used, namely the connecting rod is higher than the surface of the plate conveying table top. However, the surface of the conveying table board is required to be kept flat in the production line of the plate material, and the plate material is convenient to move, so that the clamp is not suitable for the plate material production line.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fixed-pressure pneumatic clamp, wherein a pressure sensor is integrated in a pressure head part and used for sensing the pressure applied by the pressure head to a plate, the motion of a cylinder is controlled by a pressure signal fed back, so that the pressure applied to the plate is moderate, and meanwhile, a gear-rack transmission structure is adopted, so that a rotating frame can have a larger angle of rotation space, and the rotating frame and the pressure head part can rotate below the surface of a conveying table surface when the clamp is not used, thereby not obstructing the conveying of the plate, and solving the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the fixed pressure pneumatic clamp comprises a frame main body, wherein a pressing seat is fixed at the top of the frame main body, a rotating frame is connected to the middle of the frame main body through a rotating shaft, the top end of the rotating frame is provided with the pressing seat, the bottom of the pressing seat is provided with a pressing head pressed with the upper surface of the pressing seat, and a pressure sensor propped against the top of the pressing head is arranged in the pressing seat;
the bottom of the frame main body is provided with an air cylinder, a piston rod at the top end of the air cylinder is connected with a rack, and the rack is meshed with a gear on the rotating shaft.
Further limited, the frame main part includes frame and last frame down, and the baffle of last frame bottom passes through the bolt and is connected with lower frame, the cylinder is installed in the inboard of frame down, press the seat to be fixed in the top of frame, the both ends of pivot are connected with the both sides board of last frame through the bearing respectively, gear key connects in the middle part of pivot.
Further limited, both ends of the rotating shaft are square, and one side of the bottom of the rotating frame, which is far away from the pressure head seat, is connected with a pressing plate for clamping the rotating shaft through bolts.
Further defined, the upper surface of the partition plate is provided with a slide seat for supporting and guiding one side of the rack away from the gear through bolts.
Further limited, hold the chamber has been seted up at the top of pressure head seat, the bottom of pressure head runs through and holds the chamber and extend to the below of pressure head seat, and the limiting plate on pressure head top is located and holds the intracavity, pressure sensor inlays and locates and hold the intracavity and offset with the limiting plate, and the upper surface of pressure head seat is installed and is held chamber confined sensor fixed plate through the bolt, pressure sensor passes through the screw and is connected with the sensor fixed plate.
Further defined, the pressure head seat is connected with the top of one side of the rotating frame far away from the rotating shaft through bolts.
The invention has the following beneficial effects: the pressure sensor is integrated on the pressure head part, and the pressure of the pressure head to the plate is fed back, so that the pressure is controlled, and the plate is well protected; the gear rack transmission mechanism is adopted, so that a larger rotation space is provided for the pressure head, the whole structure of the clamp is kept below the surface of the conveying table surface when the clamp is not needed, the conveying work of the surface of the conveying table surface is not influenced, meanwhile, the structure is simplified, and the conveying of the plate is not hindered.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the cooperation of the gear and rack of the present invention;
FIG. 3 is a schematic view of the gear assembly of the present invention;
FIG. 4 is a schematic view of a ram according to the present invention;
FIG. 5 is a cross-sectional view of a ram of the present invention;
fig. 6 is a schematic view of the working state of the present invention.
In the figure: 1. an upper frame; 2. a lower frame; 3. a partition plate; 4. pressing a base; 5. a pressure head seat; 6. a sensor fixing plate; 7. a rotating frame; 8. a rack; 9. a gear; 10. a compacting plate; 11. a slide; 12. a cylinder; 13. a rotating shaft; 14. a pressure head; 15. a pressure sensor; 16. and (3) a bearing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the fixed pressure pneumatic clamp comprises a frame main body, wherein a pressing seat 4 is fixed at the top of the frame main body, a rotating frame 7 is connected to the middle part of the frame main body through a rotating shaft 13, a pressing seat 5 is connected with the top of one side, far away from the rotating shaft 13, of the rotating frame 7 through bolts, a pressing head 14 pressed on the upper surface of the pressing seat 4 is arranged at the bottom of the pressing seat 5, the rotating frame 7 is driven by the rotating shaft 13 to rotate, so that the pressing head 14 clamps and loosens a plate, and a pressure sensor 15 propped against the top of the pressing head 14 is arranged in the pressing seat 5;
an air cylinder 12 is arranged at the bottom of the frame main body, a piston rod at the top end of the air cylinder 12 is connected with a rack 8, and the rack 8 is meshed with a gear 9 on a rotating shaft 13.
Referring to fig. 1 and 2, the frame body includes a lower frame 2 and an upper frame 1, a partition plate 3 at the bottom of the upper frame 1 is connected with the lower frame 2 through bolts, an air cylinder 12 is mounted at the inner side of the lower frame 2, a pressing seat 4 is fixed at the top of the upper frame 1, two ends of a rotating shaft 13 are respectively connected with two side plates of the upper frame 1 through bearings 16, and a gear 9 is connected with the middle of the rotating shaft 13 in a key manner.
Referring to 3, both ends of the rotating shaft 13 are square, one side, far away from the pressure head seat 5, of the bottom of the rotating frame 7 is connected with a pressing plate 10 for clamping the rotating shaft 13 through bolts, the pressing plate 10 and the rotating frame 7 are respectively provided with a matched V-shaped groove, and the V-shaped grooves are fastened with both ends of the rotating shaft 13 through fastening action of the bolts, so that the rotating frame 7 is installed.
Referring to fig. 1, a slide seat 11 for supporting and guiding one side of the rack 8 far away from the gear 9 is mounted on the upper surface of the partition plate 3 through bolts, and the slide seat 11 can support one side of the rack 8 far away from the gear 9 to prevent the rack 8 from deforming, and meanwhile stability in the meshing operation process of the gear 9 and the rack 8 is guaranteed.
Referring to fig. 4 and 5, the top of the pressure head seat 5 is provided with a holding cavity, the bottom end of the pressure head 14 penetrates through the holding cavity and extends to the lower side of the pressure head seat 5, a limiting plate at the top end of the pressure head 14 is located in the holding cavity, the pressure sensor 15 is embedded in the holding cavity and abuts against the limiting plate, the upper surface of the pressure head seat 5 is provided with a sensor fixing plate 6 for sealing the holding cavity through a bolt, and the pressure sensor 15 is connected with the sensor fixing plate 6 through a screw.
Referring to fig. 6, when the piston rod of the air cylinder 12 moves upwards, the rack 8 moves upwards to drive the gear 9 to rotate, the gear 9 drives the rotating shaft 13 to rotate clockwise, meanwhile, the rotating frame 7 rotates clockwise, and the pressure head 14 approaches the pressure seat 4, so that the plate is clamped;
when the pressure head 14 contacts the plate material, the pressure head 14 presses the pressure sensor 15, so that the pressure in the pressing process is measured, and the piston feeding of the air cylinder 12 is stopped when the pressure reaches a preset pressure value;
when the piston moves downwards, the rack 8 moves downwards, the gear 9 drives the shaft 13 to rotate anticlockwise, the rotating frame 7 rotates anticlockwise, the pressure head 14 is away from the pressure seat 4, and the plate is loosened;
the upper surface of the pressing seat 4 coincides with the surface of the conveying table, and when the pressing seat is released, the rotating frame 7 and the pressing head 14 are both positioned below the surface of the pressing seat 4, namely the whole clamp structure is positioned below the surface of the conveying table.
The pressure sensor 15 is integrated on the pressure head part, and the pressure of the pressure head 14 to the plate is fed back, so that the pressure is controlled, and the plate is well protected; the transmission mechanism of the gear 9 and the rack 8 is adopted, so that a larger rotation space is provided for the pressure head 14, the whole structure of the clamp is kept below the surface of the conveying table when the clamp is not needed, the conveying work on the surface of the conveying table is not affected, the structure is simplified, and the conveying of the plate is not hindered.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A fixed pressure pneumatic clamp is characterized in that: the constant pressure pneumatic clamp is composed of the following components:
the automatic pressing machine comprises a machine frame main body, wherein a pressing seat (4) is fixed at the top of the machine frame main body, a rotating frame (7) is connected to the middle of the machine frame main body through a rotating shaft (13), a pressing seat (5) is arranged at the top end of the rotating frame (7), a pressing head (14) pressed on the upper surface of the pressing seat (4) is arranged at the bottom of the pressing seat (5), and a pressure sensor (15) propped against the top of the pressing head (14) is arranged in the pressing head seat (5);
the bottom of the frame main body is provided with an air cylinder (12), a piston rod at the top end of the air cylinder (12) is connected with a rack (8), and the rack (8) is meshed with a gear (9) on a rotating shaft (13);
the machine frame main body comprises a lower machine frame (2) and an upper machine frame (1), a partition plate (3) at the bottom of the upper machine frame (1) is connected with the lower machine frame (2) through bolts, a cylinder (12) is arranged on the inner side of the lower machine frame (2), a pressing seat (4) is fixed on the top of the upper machine frame (1), two ends of a rotating shaft (13) are respectively connected with two side plates of the upper machine frame (1) through bearings (16), and a gear (9) is connected with the middle of the rotating shaft (13) through keys;
both ends of the rotating shaft (13) are square, and one side, far away from the pressure head seat (5), of the bottom of the rotating frame (7) is connected with a pressing plate (10) for clamping the rotating shaft (13) through bolts;
the upper surface of the partition plate (3) is provided with a sliding seat (11) for supporting and guiding one side of the rack (8) far away from the gear (9) through bolts; the sliding seat (11) can support one side of the rack (8) far away from the gear (9), so that the rack (8) is prevented from deforming, and meanwhile, the stability of the gear (9) and the rack (8) in the meshing operation process is ensured;
the top of the pressure head seat (5) is provided with a containing cavity, the bottom end of the pressure head (14) penetrates through the containing cavity and extends to the lower side of the pressure head seat (5), a limiting plate at the top end of the pressure head (14) is positioned in the containing cavity, the pressure sensor (15) is embedded in the containing cavity and abuts against the limiting plate, the upper surface of the pressure head seat (5) is provided with a sensor fixing plate (6) for sealing the containing cavity through a bolt, and the pressure sensor (15) is connected with the sensor fixing plate (6) through a screw;
the pressure head seat (5) is connected with the top of one side of the rotating frame (7) far away from the rotating shaft (13) through bolts;
when a piston rod of the air cylinder (12) moves upwards, the rack (8) moves upwards to drive the gear (9) to rotate, the gear (9) drives the rotating shaft (13) to rotate clockwise, the rotating frame (7) rotates clockwise, and the pressure head (14) is close to the pressure seat (4) to clamp a plate;
when the pressure head (14) contacts the plate material, the pressure head (14) presses the pressure sensor (15), so that the pressure in the pressing process is measured, and the piston feeding of the air cylinder (12) is stopped when the pressure reaches a preset pressure value;
when the piston moves downwards, the rack (8) moves downwards, the gear (9) drives the shaft (13) to rotate anticlockwise, the rotating frame (7) rotates anticlockwise, and the pressing head (14) is far away from the pressing seat (4) so as to release the plate;
the upper surface of the pressing seat (4) coincides with the surface of the conveying table top, and the rotating frame (7) and the pressing head (14) are both positioned below the surface of the pressing seat (4) when the conveying table top is loosened, namely the whole clamp structure is positioned below the surface of the conveying table top.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931071 | 2021-08-13 | ||
| CN2021109310713 | 2021-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113620051A CN113620051A (en) | 2021-11-09 |
| CN113620051B true CN113620051B (en) | 2023-09-22 |
Family
ID=78389442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111051016.1A Active CN113620051B (en) | 2021-08-13 | 2021-09-08 | Fixed-pressure pneumatic clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113620051B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100584474B1 (en) * | 2005-02-14 | 2006-05-29 | 주식회사 새화신 | Jig for welding of automobile arm |
| CN102513856A (en) * | 2011-12-14 | 2012-06-27 | 常州市永益工具有限公司 | Clamping device |
| CN202825072U (en) * | 2012-09-13 | 2013-03-27 | 上海和达汽车配件有限公司 | Planar four-bar link mechanism used for welding fixture |
| CN103753313A (en) * | 2013-11-25 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Automatic pressing plate with gear and rack |
| CN204160219U (en) * | 2013-12-09 | 2015-02-18 | 强胜精密机械(苏州)有限公司 | A kind of air clamper |
| CN206811551U (en) * | 2016-12-21 | 2017-12-29 | 上海易森自动化设备有限公司 | A kind of floating hold-down mechanism |
-
2021
- 2021-09-08 CN CN202111051016.1A patent/CN113620051B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100584474B1 (en) * | 2005-02-14 | 2006-05-29 | 주식회사 새화신 | Jig for welding of automobile arm |
| CN102513856A (en) * | 2011-12-14 | 2012-06-27 | 常州市永益工具有限公司 | Clamping device |
| CN202825072U (en) * | 2012-09-13 | 2013-03-27 | 上海和达汽车配件有限公司 | Planar four-bar link mechanism used for welding fixture |
| CN103753313A (en) * | 2013-11-25 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Automatic pressing plate with gear and rack |
| CN204160219U (en) * | 2013-12-09 | 2015-02-18 | 强胜精密机械(苏州)有限公司 | A kind of air clamper |
| CN206811551U (en) * | 2016-12-21 | 2017-12-29 | 上海易森自动化设备有限公司 | A kind of floating hold-down mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113620051A (en) | 2021-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107813018A (en) | Feeding floating installation in cutting machine | |
| CN113620051B (en) | Fixed-pressure pneumatic clamp | |
| KR101274141B1 (en) | Pressure test apparatus for cylinder head gasket in vehicle engine | |
| CN112900059B (en) | Cutting device for producing antibacterial high-flame-retardant non-woven fabric | |
| CN218049839U (en) | Stamping mechanism for machining automobile structural part | |
| US4797531A (en) | Cutting press | |
| CN211104964U (en) | Distance adjusting device of double-roller rubber mixing machine | |
| CN209062566U (en) | Floating support self-locking positioning mechanism | |
| CN108436476B (en) | High-efficiency full-automatic blanking machine | |
| CN210475367U (en) | Thread rolling machine | |
| CN218362131U (en) | Automatic control pressure compensating device for electric contact pressure gauge of centerless lathe | |
| CN216682451U (en) | Paper pressing mechanism of full-automatic die cutting machine | |
| CN210307223U (en) | Clamping device of abrasive wheel cutting machine | |
| CN211332288U (en) | Fixture for machining fixing part | |
| CN218748291U (en) | Rebound-preventing variable-frequency continuous cutting device for plates | |
| CN213470943U (en) | Hydraulic clamp with elastic prepressing function | |
| CN220218439U (en) | Anti-cracking special glass | |
| CN215966116U (en) | Manual forging clamping device for machining | |
| CN220612507U (en) | Metal material centering shearing mechanism | |
| CN219310166U (en) | Anti-deformation milling device for hardware thin-wall piece | |
| CN220074907U (en) | Full-automatic plastic product punching equipment | |
| CN218710648U (en) | Gasket pressing machine | |
| CN219819309U (en) | Pressing device of plane mill | |
| CN220611921U (en) | Frame type fine blanking press | |
| CN219401796U (en) | Bending machine convenient for adjusting feed depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 239000 standard workshop No. 25, Suchu directional construction industrial workshop, Suchu modern industrial park, Chuzhou City, Anhui Province Patentee after: AnHui ZhongJia Automation Technology Co.,Ltd. Country or region after: China Address before: 239000 plant 25A, Jianshe industrial workshop, Suchu Industrial Park, Chuzhou City, Anhui Province Patentee before: ANHUI ZHONGJIA AUTOMATION TECHNOLOGY CO.,LTD. Country or region before: China |