CN221088736U - Pneumatic clamping mechanism for preventing air pipe from winding - Google Patents
Pneumatic clamping mechanism for preventing air pipe from winding Download PDFInfo
- Publication number
- CN221088736U CN221088736U CN202322728866.1U CN202322728866U CN221088736U CN 221088736 U CN221088736 U CN 221088736U CN 202322728866 U CN202322728866 U CN 202322728866U CN 221088736 U CN221088736 U CN 221088736U
- Authority
- CN
- China
- Prior art keywords
- air
- hole
- rotating shaft
- clamping
- air pipe
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000002265 prevention Effects 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The utility model discloses a pneumatic clamping mechanism for preventing an air pipe from winding, which comprises a fixed seat and a rotating shaft, wherein a rotating driving assembly is arranged on the fixed seat; the fixing seat is provided with an air pumping block which is in sliding sealing connection with the rotating shaft, the air pumping block is provided with a first air hole, the first air hole is used for being externally connected with a negative pressure device, an air passing groove is arranged at the position, corresponding to the first air hole, on the rotating shaft, in the rotating shaft, an air passing hole is arranged, the air passing groove is respectively communicated with the air passing hole and the first air hole, one end, close to the clamping assembly, of the rotating shaft is provided with a second air hole, one end of the second air hole is communicated with the clamping assembly, and the other end of the second air hole is communicated with the air passing hole. According to the utility model, in the rotating process of the rotating shaft, the air inlet pipe can not rotate along with the rotating shaft, so that the condition that the air pipe is wound is avoided; and the electronic slip ring is not required to be additionally arranged, so that the manufacturing cost of the pneumatic clamping jaw is reduced.
Description
Technical Field
The utility model relates to the technical field of pneumatic clamping jaws, in particular to a pneumatic clamping mechanism for preventing air pipes from winding.
Background
The pneumatic clamping jaw is a mechanical device for clamping and transferring workpieces, and has the main effects of replacing grabbing work of people and effectively improving production efficiency and work safety. At present, the application in the field of automatic assembly is relatively wide.
Pneumatic clamping jaws, as their name implies, are clamping mechanisms that use compressed air as a power source. Therefore, the connection of the air pipe is necessarily required on the pneumatic clamping jaw; also in practice, there are usually multiple collets in one pneumatic jaw, which makes it necessary to connect multiple air pipes to each pneumatic jaw. In actual work, according to the design requirements of automatic processing, in many cases, the pneumatic clamping jaw needs to rotate during work; the pneumatic clamping jaw rotates together with the connecting air pipe, so that a plurality of air pipes connected to the starting clamping jaw are easy to wind, and even the condition of tearing off the air pipe or the connector occurs, so that the working stability of the pneumatic clamping jaw is insufficient. In the prior art, in order to solve the problem, an electronic slip ring is usually installed on the pneumatic clamping jaw, which necessarily increases the manufacturing cost of the pneumatic clamping jaw, and is not beneficial to the market competition of enterprises.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides an air pipe winding prevention pneumatic clamping mechanism, which comprises a fixed seat and a rotating shaft, wherein the rotating shaft is rotatably connected with the fixed seat, a rotary driving assembly is arranged on the fixed seat, the output end of the rotary driving assembly is connected with the rotating shaft, and one end of the rotating shaft is provided with a clamping assembly; the fixing seat is provided with an air suction block, the air suction block is in sliding sealing connection with the rotating shaft, the air suction block is provided with a first air hole, the first air hole is used for being externally connected with a negative pressure device, an air passing groove is formed in the position, corresponding to the first air hole, of the rotating shaft, an air passing hole is formed in the rotating shaft, the air passing groove is respectively communicated with the air passing hole and the first air hole, one end, close to the clamping assembly, of the rotating shaft is provided with a second air hole, one end of the second air hole is communicated with the clamping assembly, and the other end of the second air hole is communicated with the air passing hole.
As a further improvement of the utility model, the number of the first air holes is at least two, the number of the air passing grooves is the same as that of the first air holes, and the air passing grooves are arranged in one-to-one correspondence with the first air holes.
As a further improvement of the utility model, the number of the air passing grooves is two, and the number of the air passing holes and the number of the second air holes are four respectively.
As a further improvement of the utility model, the air extraction block is sleeved on the periphery of the rotating shaft, an annular limiting groove is arranged on the outer side wall of the rotating shaft, a sealing ring is sleeved in the annular limiting groove, and the sealing ring is in sliding sealing connection with the air extraction block.
As a further improvement of the utility model, the clamping assembly comprises a clamping fixing block, the clamping fixing block is connected with the rotating shaft, a plurality of connecting arms are arranged on the clamping fixing block, the connecting arms are rotatably and limitedly connected with the clamping fixing block, sucking discs are respectively arranged on the connecting arms, the sucking discs are adjustably and limitedly connected with the connecting arms, an air pipe connector is arranged on the sucking discs, and the air pipe connector is communicated with the second air hole.
As a further improvement of the utility model, one end of the connecting arm is hinged with the clamping fixing block, an arc-shaped groove is arranged on the connecting arm, a connecting hole is arranged on the clamping fixing block, and the connecting hole is detachably connected with the arc-shaped groove through a screw.
As a further improvement of the utility model, the connecting arm is provided with a strip-shaped clamping groove, and the sucker is in sliding limit connection with the strip-shaped clamping groove.
As a further improvement of the utility model, the clamping fixing block is provided with a clamping sensor which is used for detecting whether the sucking disc adsorbs products or not.
As a further improvement of the utility model, the rotary driving assembly comprises a driving motor and a transmission belt, the driving motor is connected with the fixed seat, a driving wheel is arranged at the output end of the driving motor, a driven wheel is sleeved on the rotary shaft, and the transmission belt is sleeved on the driving wheel and the driven wheel.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the air suction block is sleeved on the rotating shaft, the air passing groove, the air passing hole and the second air hole are arranged in the rotating shaft, and the air inlet pipe can not rotate along with the rotating shaft in the rotating process of the rotating shaft through the matching of the rotating shaft and the air suction block, so that the condition that the air pipe is wound is avoided; the electronic slip ring is not required to be additionally arranged, so that the manufacturing cost of the pneumatic clamping jaw is reduced, and the market competition of enterprises is facilitated. During specific work, air on the clamping assembly is sucked into the air passing hole through the second air hole and flows into the air passing groove, and then flows into the first air hole and is finally sucked away by the external negative pressure device, so that negative pressure suction is formed on the clamping assembly, and daily clamping work requirements are met. When the clamping mechanism is required to be driven to rotate, the rotary shaft is driven by the rotary driving assembly to drive the clamping assembly to rotate so as to meet the function of rotary conveying, and the air passing block does not need to rotate, so that the problem of winding of an air pipe can be thoroughly avoided, and the processing stability is guaranteed.
Drawings
In order to more clearly illustrate the utility model or the solutions of the prior art, a brief description will be given below of the drawings used in the description of the embodiments or the prior art, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic top view of an embodiment of the present utility model;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of the portion C of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 2.
Detailed Description
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 in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the described embodiments of the utility model may be combined with other embodiments.
In order to enable those skilled in the art to better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-5, an air pipe winding prevention pneumatic clamping mechanism comprises a fixed seat 1 and a rotating shaft 2, wherein the rotating shaft 2 is rotatably connected with the fixed seat 1, a rotary driving assembly is arranged on the fixed seat 1, the output end of the rotary driving assembly is connected with the rotating shaft 2, and one end of the rotating shaft 2 is provided with a clamping assembly which is used for clamping a product; when the rotary clamping device works, when a clamped product is required to be driven to rotate, the rotary driving assembly is controlled to work, the rotary shaft 2 is driven to rotate, and then the clamping assembly and the clamped product are driven to synchronously rotate.
The fixing base 1 is provided with an air suction block 3, the air suction block 3 is sleeved on the periphery of the rotating shaft 2 and is in sliding sealing connection with the rotating shaft 2, the air suction block 3 is provided with a first air hole 31, the first air hole 31 is used for installing an air suction joint 8 to be externally connected with a negative pressure device, the rotating shaft 2 is provided with an air passing groove 21 at the position corresponding to the first air hole 31, the rotating shaft 2 is internally provided with an air passing hole 22, and the air passing groove 21 is respectively communicated with the air passing hole 22 and the first air hole 31. One end of the rotating shaft 2, which is close to the clamping assembly, is provided with a second air hole 23, one end of the second air hole 23 is communicated with the clamping assembly, and the other end of the second air hole is communicated with the air passing hole 22. During operation, air on the clamping assembly is sucked into the air passing hole 22 through the second air hole 23 and then flows into the air passing groove 21, and then flows into the first air hole 31 and is finally sucked away by the external negative pressure device, so that negative pressure suction force is formed on the clamping assembly, and daily clamping work requirements are met.
When the rotary driving assembly works, the rotary shaft 2 and the clamping assembly synchronously rotate, and the air inlet air pipe arranged on the air suction block 3 does not need to rotate, so that the problem of mutual winding of the air pipes during rotation is avoided; meanwhile, the electronic slip ring is not required to be installed, so that the overall manufacturing cost of the clamping mechanism can be reduced, and the market competitiveness of enterprises is improved.
The clamping assembly comprises a clamping fixing block 4, the clamping fixing block 4 is fixedly connected with the rotating shaft 2, four connecting arms 5 are arranged on the clamping fixing block 4, the connecting arms 5 are in rotatable limiting connection with the clamping fixing block 4, a sucker 6 is respectively arranged on each connecting arm 5, the sucker 6 is in adjustable limiting connection with the connecting arms 5, an air pipe connector 7 is respectively arranged on each sucker 6, and the air pipe connector 7 is communicated with a corresponding second air hole 23. When the suction cup works, air on the suction cup 6 is sucked into the air passing hole 22 through the corresponding second air hole 23, so that negative pressure suction force can be generated on each suction cup 6.
In this embodiment, the number of the first air holes 31 is two, each first air hole 31 is provided with an air extraction joint 8, and the air extraction joints 8 are connected with an external negative pressure device, namely, the pneumatic clamping mechanism can be externally connected with two paths of negative pressures; compared with the situation that only one path of negative pressure exists, the clamping stability can be improved, and the situation that the clamping product falls and is damaged after only one path of negative pressure fails is avoided. The number of the second air holes 23 and the air passing holes 22 is four, and each second air hole 23 is communicated with a corresponding air passing hole 22; the number of the air passing grooves 21 is the same as that of the first air holes 31, the air passing grooves 21 and the first air holes 31 are arranged in a one-to-one correspondence manner, namely, each first air hole 31 is communicated with one corresponding air passing groove 21, and one air passing groove 21 is communicated with two air passing holes 22, namely, one way of negative pressure device can control two suckers 6 to generate negative pressure suction.
In other embodiments, the number of the first air holes 31, the air passing grooves 21, the air passing holes 22, the second air holes 23 and the suction cups 6 can be any other number.
In order to promote the leakproofness between rotation axis 2 and the piece of bleeding 3, be equipped with three annular spacing groove 24 on rotation axis 2's the lateral wall, all be provided with sealing washer 9 in every annular spacing groove 24, sealing washer 9 respectively with the inside wall sliding seal who bleeds 3 is connected, makes the piece of bleeding 3 and rotation axis 2 can realize sliding seal through setting up sealing washer 9 to prevent that the piece of bleeding 3 from leaking gas with rotation axis 2 junction, improve the stability of work.
The connecting arm 5 and the clamping fixing block 4 adopt a rotatable connection mode, corresponding adjustment can be made according to different sizes of clamped products, and universality of the pneumatic clamping mechanism is improved. Specifically, one end of the connecting arm 5 is hinged with the clamping fixing block 4 through a screw, and the connecting arm 5 can be pushed to rotate and swing by loosening the hinged screw; the connecting arm 5 is provided with an arc groove 51, and the clamping fixing block 4 is provided with a connecting hole at the position corresponding to the arc groove 51, and the connecting hole and the arc groove 51 can be connected and fixed through a screw. When the orientation of the connecting arm 5 needs to be adjusted, the connecting screws of the arc-shaped groove 51 and the connecting hole are loosened, the connecting screws of the connecting arm 5 and the clamping fixing block 4 are loosened, the connecting arm 5 can be pushed to swing on the clamping fixing block 4 in a rotating mode through the hinged end, after the connecting arm reaches a proper position, the connecting screws of the connecting hole and the arc-shaped groove 51 are screwed, and the connecting arm 5 and the hinging screws of the clamping fixing block 4 are screwed.
The sucking disc 6 is connected with the linking arm 5 is adjustable to be set up, can adjust the position of sucking disc 6 on linking arm 5 as required to make this pneumatic fixture can be applicable to the centre gripping demand of different size products, further promote the commonality. Specifically, the connecting arm 5 is provided with a strip-shaped clamping groove 52, and the sucker 6 is in sliding limiting connection with the strip-shaped clamping groove 52 through a screw. When the position of the suction cup 6 needs to be adjusted, the suction cup 6 can be pushed to slide on the connecting arm 5 only by loosening the connecting screw of the suction cup 6 and the strip-shaped clamping groove 52, so that the position of the suction cup 6 is adjusted; after being adjusted to the proper position, the connection screw of the sucker 6 and the strip-shaped clamping groove 52 is screwed down.
The clamping sensor 10 is arranged on the clamping fixing block 4, and the clamping sensor 10 is used for detecting whether a product is adsorbed on the sucker 6, so that an external control mechanism can acquire a signal conveniently, and the pneumatic clamping mechanism can be controlled to clamp or release the product.
The rotary driving assembly comprises a driving motor 11 and a driving belt 12, the driving motor 11 is connected with the fixed seat 1, a driving wheel 13 is arranged at the output end of the driving motor 11, a driven wheel 14 is sleeved on the rotary shaft 2, and the driving belt 12 is sleeved on the driving wheel 13 and the driven wheel 14. When the pneumatic clamping device is required to be driven to rotate, the driving motor 11 is controlled to work to drive the driving wheel 13 to rotate, the driven wheel 14 is driven to synchronously rotate through the transmission belt 12, and the rotating shaft 2 and the clamping assembly are driven to synchronously rotate.
In other embodiments, the rotary drive assembly may be of other types of construction, such as: motor gear sets, rotary cylinders, etc.
The foregoing embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the following claims.
Claims (9)
1. An air pipe winding prevention pneumatic clamping mechanism which is characterized in that: the rotary type automatic feeding device comprises a fixed seat and a rotary shaft, wherein the rotary shaft is rotatably connected with the fixed seat, a rotary driving assembly is arranged on the fixed seat, the output end of the rotary driving assembly is connected with the rotary shaft, and a clamping assembly is arranged at one end of the rotary shaft;
The fixing seat is provided with an air suction block, the air suction block is in sliding sealing connection with the rotating shaft, the air suction block is provided with a first air hole, the first air hole is used for being externally connected with a negative pressure device, an air passing groove is formed in the position, corresponding to the first air hole, of the rotating shaft, an air passing hole is formed in the rotating shaft, the air passing groove is respectively communicated with the air passing hole and the first air hole, one end, close to the clamping assembly, of the rotating shaft is provided with a second air hole, one end of the second air hole is communicated with the clamping assembly, and the other end of the second air hole is communicated with the air passing hole.
2. The air pipe winding prevention pneumatic clamping mechanism according to claim 1, wherein: the number of the air passing grooves is the same as that of the first air holes, and the air passing grooves and the first air holes are arranged in one-to-one correspondence.
3. The air pipe winding prevention pneumatic clamping mechanism according to claim 2, wherein: the number of the air passing grooves is two, and the number of the air passing holes and the number of the second air holes are four respectively.
4. The air pipe winding prevention pneumatic clamping mechanism according to claim 1, wherein: the air extraction block is sleeved on the periphery of the rotating shaft, an annular limiting groove is formed in the outer side wall of the rotating shaft, a sealing ring is sleeved in the annular limiting groove, and the sealing ring is in sliding sealing connection with the air extraction block.
5. The air pipe winding prevention pneumatic clamping mechanism according to any one of claims 1-4, wherein: the clamping assembly comprises a clamping fixing block, the clamping fixing block is connected with the rotating shaft, a plurality of connecting arms are arranged on the clamping fixing block, the connecting arms are in rotatable limit connection with the clamping fixing block, sucking discs are respectively arranged on the connecting arms, the sucking discs are in adjustable limit connection with the connecting arms, an air pipe connector is arranged on the sucking discs, and the air pipe connector is communicated with the second air hole.
6. The air pipe winding prevention pneumatic clamping mechanism according to claim 5, wherein: one end of the connecting arm is hinged with the clamping fixing block, an arc-shaped groove is formed in the connecting arm, a connecting hole is formed in the clamping fixing block, and the connecting hole is detachably connected with the arc-shaped groove through a screw.
7. The air pipe winding prevention pneumatic clamping mechanism according to claim 5, wherein: the connecting arm is provided with a strip-shaped clamping groove, and the sucker is in sliding limiting connection with the strip-shaped clamping groove.
8. The air pipe winding prevention pneumatic clamping mechanism according to claim 5, wherein: the clamping sensor is arranged on the clamping fixing block and used for detecting whether a product is adsorbed on the sucker.
9. The air pipe winding prevention pneumatic clamping mechanism according to any one of claims 1-4 or 6-8, wherein: the rotary driving assembly comprises a driving motor and a driving belt, the driving motor is connected with the fixing seat, a driving wheel is arranged at the output end of the driving motor, a driven wheel is sleeved on the rotary shaft, and the driving belt is sleeved on the driving wheel and the driven wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728866.1U CN221088736U (en) | 2023-10-11 | 2023-10-11 | Pneumatic clamping mechanism for preventing air pipe from winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322728866.1U CN221088736U (en) | 2023-10-11 | 2023-10-11 | Pneumatic clamping mechanism for preventing air pipe from winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221088736U true CN221088736U (en) | 2024-06-07 |
Family
ID=91326506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322728866.1U Active CN221088736U (en) | 2023-10-11 | 2023-10-11 | Pneumatic clamping mechanism for preventing air pipe from winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221088736U (en) |
-
2023
- 2023-10-11 CN CN202322728866.1U patent/CN221088736U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221088736U (en) | Pneumatic clamping mechanism for preventing air pipe from winding | |
| CN214981129U (en) | Vacuum chuck clamp for carrying curved panel | |
| CN205551953U (en) | Automatic twist screw equipment | |
| CN212799564U (en) | Torsion-adjustable cap screwing mechanism | |
| CN111113257B (en) | Rotary mechanical arm with clamping and locking capacity for machining plastic shell | |
| CN209890212U (en) | Rotary cover suction head device | |
| CN210971708U (en) | Vertical negative pressure indexing wheel | |
| CN216940104U (en) | Clamping grinding spindle structure | |
| CN216505180U (en) | Fixture suitable for front ends of arms of industrial robots with different shapes | |
| CN208497032U (en) | The fetching device of thin sheet products | |
| CN112008625A (en) | A processing clamping device for sensor | |
| CN213360186U (en) | Mounting and connecting device of pneumatic starting motor | |
| CN206169909U (en) | Novel pipe clamp | |
| CN212287693U (en) | Rotary quick-change sucker fixture | |
| CN219946260U (en) | Pneumatic paw with trachea anti-drop structure | |
| CN212763773U (en) | Feeding device of die-cutting machine | |
| CN220029887U (en) | Workpiece suction assembly of sand blasting machine | |
| CN211712070U (en) | Grabbing mechanism of electrical equipment counter | |
| CN221048443U (en) | Connecting device of mechanical claw | |
| CN218081654U (en) | Novel metal product processing centre gripping device | |
| CN214191647U (en) | Universal clamping jaw for lamp holder machining | |
| CN205703404U (en) | A kind of clamping device | |
| CN205414973U (en) | Pipe automatic clamp | |
| CN216638111U (en) | Sucking disc subassembly, battery cluster snatch mechanism and battery cluster handling device | |
| CN219507095U (en) | Grabbing clamp for fin machining and transferring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |