CN213257168U - Pneumatic chuck with double linkage mechanisms - Google Patents
Pneumatic chuck with double linkage mechanisms Download PDFInfo
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- CN213257168U CN213257168U CN202021763325.2U CN202021763325U CN213257168U CN 213257168 U CN213257168 U CN 213257168U CN 202021763325 U CN202021763325 U CN 202021763325U CN 213257168 U CN213257168 U CN 213257168U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic chuck with two link gear, including back card base, back card base one side is provided with the connecting cylinder, the connecting cylinder is kept away from back card base one end and is installed gas circuit sliding ring mechanism and drive gear, the back card base other end is provided with the lower plate, be provided with slewing bearing between lower plate and the connecting cylinder, the lower plate is connected with the upper plate through the outer lane, be fixed with four cylinders, four in the upper plate altogether cylinder evenly distributed is on the upper plate, and four the cylinder is two bisymmetry settings, the upper plate is located cylinder one side and is fixed with linear guide, linear guide is provided with four altogether linear guide is two bisymmetry settings, four install two vertical jack catch connecting plates and two horizontal jack catch connecting plates on the linear guide respectively. The utility model discloses, utilize four cylinders as the power supply, directly promote the jack catch, shorten jack catch length, prevent jack catch overlength and the skew phenomenon that appears.
Description
Technical Field
The utility model relates to a pneumatic chuck technical field specifically is a pneumatic chuck with two link gear.
Background
The laser pipe cutting machine can be used for processing workpieces with central symmetry sections such as round pipes, square pipes, I-shaped steel and channel steel, and is very important for clamping the workpieces, the laser pipe cutting machine must be compatible with all symmetrical workpieces and meet the clamping function, and the stability of workpiece clamping force, the clamping precision and the like are very important. The traditional clamping method adopts an elongated clamping rear clamp, and has the bad phenomena of unstable clamping force, easy deviation, low clamping precision, durability and the like; at present, the laser pipe cutting machine industry has insufficient machining precision, the fundamental reason is caused by insufficient clamp precision, and the laser pipe cutting machine cannot reach the expected machining precision due to the fact that problems exist in the mechanical structure design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic chuck with two link gear to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic chuck with a double-linkage mechanism comprises a rear chuck base, wherein one side of the rear chuck base is provided with a connecting cylinder, one end of the connecting cylinder, which is far away from the rear chuck base, is provided with an air channel sliding ring mechanism and a driving gear, the other end of the rear chuck base is provided with a lower bottom plate, a rotary support is arranged between the lower bottom plate and the connecting cylinder, the lower bottom plate is connected with an upper bottom plate through an outer ring, four air cylinders are fixed in the upper bottom plate and are uniformly distributed on the upper bottom plate, the four air cylinders are symmetrically arranged in pairs, linear guide rails are fixed on one sides of the air cylinders of the upper bottom plate, the four linear guide rails are symmetrically arranged in pairs, two longitudinal clamping jaw connecting plates and two transverse clamping jaw connecting plates are respectively installed on the four linear guide rails, and longitudinal clamping jaws are installed on the two longitudinal clamping jaw connecting plates, the two air cylinders corresponding to the longitudinal claw connecting plates are respectively connected with one of the synchronizing wheels through a synchronizing rack, and the two air cylinders corresponding to the transverse claw connecting plates are respectively connected with the other synchronizing wheel through a synchronizing rack.
Preferably, the longitudinal clamping jaws and the longitudinal clamping jaw connecting plates are fixed through bolts, and the transverse clamping jaws and the transverse clamping jaw connecting plates are fixed through bolts.
Preferably, the contact surface of the longitudinal clamping jaw and the longitudinal clamping jaw connecting plate is a sawtooth surface, and the contact surface of the transverse clamping jaw and the transverse clamping jaw connecting plate is a sawtooth surface.
Preferably, the clamping surfaces of the longitudinal clamping jaws and the clamping surfaces of the transverse clamping jaws are of a sawtooth structure.
Preferably, the air channel slip ring mechanism comprises a rotating structure inside, two air inlets are formed in the outer side of the air channel slip ring mechanism, and two air outlets of the air channel slip ring mechanism extend into the hollow structure of the rear clamping base.
Preferably, the air channel slip ring mechanism and the rear clamp base are fixed through bolts.
Preferably, the upper base plate is provided with guide strips at the longitudinal jaw connecting plate and the transverse jaw connecting plate, and the guide strips are fixed on the upper base plate through bolts.
Compared with the prior art, the beneficial effects of the utility model are that: the four cylinders are used as power sources to directly push the clamping jaws, so that the length of the clamping jaws is shortened, the phenomenon of offset caused by overlong clamping jaws is prevented, and the guide mechanisms are used as guides in the transmission process of the mechanism to prevent the clamping jaws from generating the phenomenon of non-concentricity; the clamping jaws adopt a pairwise linkage scheme, can clamp centrosymmetric workpieces such as square circles, flat pipes and the like, has stable and reliable clamping torque, solves the problems of unstable clamping force of the clamps after being used for a long time and the like in the current market, further ensures that the chuck is durable, and has higher clamping concentricity and stability; the air is transmitted to the inner air cylinder through the air channel slip ring mechanism after external air supply enters, the four air cylinders are arranged inside, the air channel shafts are symmetrically moved in pairs to fix the shaft heads of the air cylinders, namely, a two-jaw linkage structure is formed, the linear guide rail mechanism is installed on the air cylinder body, the air cylinder body directly drives the jaws to move, the gear rack controls the two air cylinders to synchronously move, and therefore a gear rack pair is formed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a cross-sectional view of the present invention a-a.
Fig. 4 is a cross-sectional view of the present invention B-B.
In the figure: 1. a longitudinal jaw connecting plate; 2. a linear guide rail; 3. a synchronous rack; 4. a synchronizing wheel; 6. a gas circuit slip ring mechanism; 7. a drive gear; 8. a connecting cylinder; 9. a slewing bearing; 10. a rear card base; 11. a lower base plate; 12. a cylinder; 13. an outer ring; 14. an upper base plate; 15. a longitudinal jaw; 16. a transverse jaw connecting plate; 17. and (4) transverse clamping jaws.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, in an embodiment of the present invention, an air chuck with a dual linkage mechanism includes a rear chuck base 10, a connecting cylinder 8 is disposed on one side of the rear chuck base 10, the connecting cylinder 8 is far away from one end of the rear chuck base 10 and is installed with a gas circuit slip ring mechanism 6 and a driving gear 7, the other end of the rear chuck base 10 is provided with a lower plate 11, a slewing bearing 9 is disposed between the lower plate 11 and the connecting cylinder 8, the lower plate 11 is connected with an upper plate 14 through an outer ring 13, four cylinders 12 and four cylinders 12 are fixed in the upper plate 14, the cylinders 12 are uniformly distributed on the upper plate 14 and four cylinders 12 are symmetrically disposed in pairs, the upper plate 14 is located on one side of the cylinders 12 and is fixed with linear guide rails 2, the linear guide rails 2 are provided with four linear guide rails 2, the linear guide rails 2 are symmetrically disposed in pairs, and four linear guide rails 2 are respectively installed with two longitudinal clamping jaws 1 and two transverse clamping The clamping device comprises a plate 16, wherein longitudinal clamping jaws 15 are respectively arranged on two longitudinal clamping jaw connecting plates 1, transverse clamping jaws 17 are respectively arranged on two transverse clamping jaw connecting plates 16, a connecting shaft is arranged between an upper base plate 14 and a lower base plate 11, two synchronizing wheels 4 are respectively arranged on the connecting shaft, two air cylinders 12 corresponding to the two longitudinal clamping jaw connecting plates 1 are respectively connected with one synchronizing wheel 4 through a synchronizing rack 3, two air cylinders 12 corresponding to the two transverse clamping jaw connecting plates 16 are respectively connected with the other synchronizing wheel 4 through the synchronizing rack 3, the longitudinal clamping jaws 15 are fixed with the longitudinal clamping jaw connecting plates 1 through bolts, the transverse clamping jaws 17 are fixed with the transverse clamping jaw connecting plates 16 through bolts, the contact surfaces of the longitudinal clamping jaws 15 and the longitudinal clamping jaw connecting plates 1 are sawtooth surfaces, and the contact surfaces of the transverse clamping jaws 17 and the transverse clamping jaw connecting plates 16 are sawtooth surfaces, the clamping face of the longitudinal clamping jaw 15 and the clamping face of the transverse clamping jaw 17 both adopt a sawtooth structure, the inside of the gas circuit sliding ring mechanism 6 comprises a rotating structure, two gas inlets are formed in the outer side of the gas circuit sliding ring mechanism, two gas outlets of the gas circuit sliding ring mechanism extend into a hollow structure of the rear clamping base, the gas circuit sliding ring mechanism 6 and the rear clamping base 10 are fixed through bolts, guide strips are fixed at the positions, located on the longitudinal clamping jaw connecting plate 1 and the transverse clamping jaw connecting plate 16, of the upper base plate 14, and the guide strips are fixed on the upper base plate 14 through bolts.
The utility model discloses a theory of operation is: the four cylinders 12 are used as power sources, so that the length of the clamping jaw is shortened, the phenomenon of offset caused by overlong clamping jaws is prevented, and a gear and rack synchronous mechanism is used for synchronization in the transmission process of the mechanism, so that the phenomenon of non-concentricity of the clamping jaws is prevented; the clamping jaws adopt a pairwise linkage scheme, can clamp centrosymmetric workpieces such as square circles, flat pipes and the like, has stable and reliable clamping torque, solves the problems of unstable clamping force of the clamps after being used for a long time and the like in the current market, further ensures that the chuck is durable, and has higher clamping concentricity and stability; the air is transmitted to the inner air cylinder through the air channel slip ring mechanism after external air supply enters, the four air cylinders 12 are arranged inside, the air channel shafts are symmetrically moved in pairs to fix the shaft heads of the air cylinders, namely, a two-jaw linkage structure is formed, the linear guide rail mechanism is installed on the air cylinder body, the air cylinder body directly drives the jaws to move, the gear and the rack control two air cylinders to move synchronously, therefore, a gear and rack pair is formed, the transmission torque is large and stable, and the clamping performance of the jaws is stable and reliable.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pneumatic chuck with a double linkage mechanism, comprising a rear chuck base (10), characterized in that: a connecting cylinder (8) is arranged on one side of the rear clamping base (10), a gas circuit slip ring mechanism (6) and a driving gear (7) are installed at one end, far away from the rear clamping base (10), of the connecting cylinder (8), a lower bottom plate (11) is arranged at the other end of the rear clamping base (10), a slewing bearing (9) is arranged between the lower bottom plate (11) and the connecting cylinder (8), the lower bottom plate (11) is connected with an upper bottom plate (14) through an outer ring (13), four cylinders (12) are fixed in the upper bottom plate (14), the four cylinders (12) are uniformly distributed on the upper bottom plate (14), the four cylinders (12) are symmetrically arranged in pairs, linear guide rails (2) are fixed on one side of the cylinders (12) of the upper bottom plate (14), the four linear guide rails (2) are arranged in pairs, and the four linear guide rails (2) are symmetrically arranged in pairs, four install two vertical jack catch connecting plates (1) and two horizontal jack catch connecting plates (16), two on linear guide (2) respectively vertical jack catch (15), two are all installed on vertical jack catch connecting plate (1) all install horizontal jack catch (17) on horizontal jack catch connecting plate (16), be provided with the connecting axle between upper plate (14) and lower plate (11), install two synchronizing wheel (4), two on the connecting axle altogether two cylinder (12) that vertical jack catch connecting plate (1) corresponds are connected through synchronizing rack (3) rather than one synchronizing wheel (4) respectively, two cylinder (12) that horizontal jack catch connecting plate (16) correspond are connected with another synchronizing wheel (4) through synchronizing rack (3) respectively.
2. A pneumatic chuck having a dual linkage according to claim 1, wherein: the longitudinal clamping jaw (15) and the longitudinal clamping jaw connecting plate (1) are fixed through bolts, and the transverse clamping jaw (17) and the transverse clamping jaw connecting plate (16) are fixed through bolts.
3. A pneumatic chuck having a dual linkage according to claim 1 or 2, wherein: the contact surface of the longitudinal clamping jaw (15) and the longitudinal clamping jaw connecting plate (1) is a sawtooth surface, and the contact surface of the transverse clamping jaw (17) and the transverse clamping jaw connecting plate (16) is a sawtooth surface.
4. A pneumatic chuck having a dual linkage according to claim 1, wherein: the clamping surfaces of the longitudinal clamping jaws (15) and the clamping surfaces of the transverse clamping jaws (17) both adopt a sawtooth structure.
5. A pneumatic chuck having a dual linkage according to claim 1, wherein: the gas circuit sliding ring mechanism (6) comprises a rotating structure, two gas inlets are formed in the outer side of the gas circuit sliding ring mechanism, and two gas outlets of the gas circuit sliding ring mechanism extend into the hollow structure of the rear clamping base.
6. A pneumatic chuck having a dual linkage according to claim 1, wherein: the air channel slip ring mechanism (6) and the rear clamping base (10) are fixed through bolts.
7. A pneumatic chuck having a dual linkage according to claim 1, wherein: and guide strips are fixed on the upper base plate (14) at the longitudinal jaw connecting plate (1) and the transverse jaw connecting plate (16), and are fixed on the upper base plate (14) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763325.2U CN213257168U (en) | 2020-08-21 | 2020-08-21 | Pneumatic chuck with double linkage mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021763325.2U CN213257168U (en) | 2020-08-21 | 2020-08-21 | Pneumatic chuck with double linkage mechanisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213257168U true CN213257168U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021763325.2U Active CN213257168U (en) | 2020-08-21 | 2020-08-21 | Pneumatic chuck with double linkage mechanisms |
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| Country | Link |
|---|---|
| CN (1) | CN213257168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464211A (en) * | 2023-11-22 | 2024-01-30 | 江苏科奥龙精工科技有限公司 | A kind of double linkage rear chuck |
-
2020
- 2020-08-21 CN CN202021763325.2U patent/CN213257168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117464211A (en) * | 2023-11-22 | 2024-01-30 | 江苏科奥龙精工科技有限公司 | A kind of double linkage rear chuck |
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