CN210973400U - Safe chuck and transmission device applying same - Google Patents
Safe chuck and transmission device applying same Download PDFInfo
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- CN210973400U CN210973400U CN201921714387.1U CN201921714387U CN210973400U CN 210973400 U CN210973400 U CN 210973400U CN 201921714387 U CN201921714387 U CN 201921714387U CN 210973400 U CN210973400 U CN 210973400U
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Abstract
The utility model relates to a safe chuck and a transmission device applied to the safe chuck, which comprises a chuck and an inflatable shaft, wherein a shaft head of the inflatable shaft is provided with a circumferential groove and an axial groove, the circumferential groove is circumferentially arranged along the inflatable shaft, and the axial groove is arranged along the axial direction of the inflatable shaft; the safety chuck comprises a static chuck and a dynamic chuck, wherein one of the static chuck and the dynamic chuck is provided with a radial hole, and the radial hole is provided with an axial limiting pin; one of the static chuck and the movable chuck is provided with an inner groove, the inner groove is arranged on the inner wall of the cavity and extends along the axial direction of the cylinder, the inner groove is provided with a limiting block, the top of the limiting block extends into the cavity, a shaft head of the air expansion shaft is placed in the cavity, the end of the axial limiting pin extends into the circumferential groove, and the part of the limiting block extending into the cavity falls into the axial groove. The utility model has the advantages of overall structure rigidity is excellent, can bear high torsion, and does not have the worry that takes off in rotatory safely, and positioning accuracy is high, has very high security performance.
Description
Technical Field
The utility model relates to a safe chuck and transmission who uses thereof.
Background
In the production process of some coiled materials, the coiled materials need to be led out from an unreeling machine to be processed by a specific process, and finally are collected by a reeling machine. The chuck of the air expansion shaft for supporting and fixing the coiled material is required to be adopted, and the chuck is also connected with a transmission shaft of a motor to perform active rotation and can perform passive rotation, so that the safety performance requirement on the chuck is high, and the existing chuck structure cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
The first objective of the present invention is to provide a safety chuck with high safety performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety chuck comprises a static chuck and a dynamic chuck which are correspondingly arranged and can be mutually matched to form a cavity, wherein the static chuck and the dynamic chuck are hinged together and can relatively rotate around a hinge central shaft of the static chuck and the dynamic chuck, and the static chuck and the dynamic chuck are locked by a locking device to form a cylinder; one of the static chuck and the dynamic chuck is provided with a radial hole which extends to the formed cavity from the side surface of the static chuck and the dynamic chuck along the radial direction of the cylinder, and the radial hole is provided with an axial limit pin of which the end part extends into the cavity; one of the static chuck and the dynamic chuck is provided with an inner groove, the inner groove is arranged on the inner wall of the cavity and extends along the axial direction of the cylinder, and the inner groove is provided with a limiting block with the top extending into the cavity.
The utility model has the advantages of overall structure rigidity is excellent, can bear high torsion, and does not have the worry that takes off in rotatory safely, and positioning accuracy is high, has very high security performance.
The utility model discloses the accessible improves with following scheme:
the corresponding positions of the static chuck and the dynamic chuck are provided with a transverse locking channel which is formed together, and the transverse locking channel is deviated and arranged in parallel with the central axis of the cylinder; the corresponding positions of the static chuck and the dynamic chuck are provided with a longitudinal locking channel which is formed together, and the longitudinal locking channel is in a counter bore shape and is communicated with the transverse locking channel; the locking device comprises a lock pin and a bolt, the lock pin is provided with a threaded hole, the lock pin is inserted into the transverse locking channel, and the bolt is matched with the longitudinal locking channel and is in threaded connection with the threaded hole of the lock pin.
The locking pin is also provided with a central hole which extends along the central shaft and runs through the end faces of the two ends of the central shaft, a bolt in threaded connection with a threaded hole of the locking pin is provided with a radial through hole, and when the locking device locks the static chuck and the dynamic chuck, a locking pin penetrates through the central hole and passes through the through hole.
The inner groove penetrates through one side end face of the static chuck or the dynamic chuck.
The limiting block is provided with a plurality of counter bores along the length direction, the inner groove is provided with a threaded hole corresponding to each counter bore, and the counter bores are provided with threaded holes corresponding to the bolts in a threaded mode to enable the limiting block to be arranged in the inner groove.
The end part of the axial limiting pin is a convex rib, and the convex rib is in an isosceles trapezoid shape on a section perpendicular to the length direction of the convex rib.
The safety chuck is provided with a butt joint device for butt joint of a transmission shaft of the motor, the butt joint device is a plurality of butt joint holes formed in one end face of the static chuck and the movable chuck, and central shafts of the butt joint holes are distributed at equal intervals along the same circumference with the central shaft of the safety chuck as the circle center.
The second objective of the present invention is to provide a transmission device with high safety performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transmission device is used on a winding and unwinding device of coating, compounding and printing equipment and comprises a chuck and an air inflation shaft, wherein a shaft head of the air inflation shaft is provided with a circumferential groove and an axial groove, the circumferential groove is circumferentially arranged along the circumferential direction of the air inflation shaft, and the axial groove is arranged along the axial direction of the air inflation shaft; the chuck is the above-mentioned safe chuck, the spindle nose of physiosis axle is placed in the cavity, the end of axial spacer pin stretches into in the circumferential groove, the part that the stopper stretches into the cavity falls into in the axial groove.
The utility model has the advantages of overall structure rigidity is excellent, can bear high torsion, and does not have the worry that takes off in rotatory safely, and positioning accuracy is high, has very high security performance.
The utility model discloses the accessible improves with following scheme:
the transmission device further comprises a motor, and a transmission shaft of the motor is in butt joint connection with the safety chuck.
Drawings
FIG. 1 is a schematic diagram showing the overall three-dimensional state of the transmission in the embodiment.
FIG. 2 is a schematic view of the transmission in the embodiment in a partially exploded state.
Fig. 3 is a three-dimensional structure diagram of the movable chuck rotating a certain angle around the hinge central axis with the static chuck in the embodiment.
Fig. 4 is a three-dimensional structure diagram of another view angle of the movable chuck rotating around the hinge central axis with the static chuck in the embodiment.
Fig. 5 is a three-dimensional structure diagram of the shaft head of the air inflation shaft and the safety chuck in the embodiment.
Fig. 6 is a schematic three-dimensional cross-sectional view of the component shown in fig. 5.
Fig. 7 is a schematic three-dimensional cross-sectional view of the component shown in fig. 5.
Detailed Description
A transmission device is used on a winding and unwinding device of coating, compounding and printing equipment and comprises a safety chuck 1 and an air expansion shaft 5, as shown in attached figures 1 and 2.
The spindle nose of said physiosis axle 5 is formed with circumferential groove 51 and axial groove 52, and circumferential groove 51 encircles along physiosis axle 5 circumference and sets up, and axial groove 52 sets up along the axial of physiosis axle 5.
Referring to fig. 1 to 7, a safety chuck 1 includes a static chuck 2 and a dynamic chuck 3 which are correspondingly disposed and can cooperate with each other to form a cavity 11, the static chuck 2 and the dynamic chuck 3 are hinged together and can rotate relatively around a hinge central shaft L1, and the static chuck 2 and the dynamic chuck 3 are locked by a locking device to form a cylinder.
One of the static chuck 2 and the dynamic chuck 3 is provided with a radial hole 21 extending from its side surface in the radial direction of the cylinder to the cavity 11 formed, in this embodiment, the radial hole 21 is provided in the static chuck 2, and the radial hole 21 is provided with an axial stopper pin 22 having an end portion extending into the cavity 11. More specifically, the end of the axial stopper pin 22 is a rib 221, and the rib 221 has an isosceles trapezoid shape in a cross section perpendicular to a length direction thereof.
One of the static chuck 2 and the movable chuck 3 is provided with an inner groove 31, in this embodiment, the inner groove 31 is arranged on the movable chuck 3, the inner groove 31 is arranged on the inner wall of the cavity 11 and extends along the axial direction of the cylinder and penetrates through to one side end face of the movable chuck 3, and the inner groove 31 is provided with a limit block 32 the top of which extends into the cavity 11. More specifically, the stopper 32 is provided with a plurality of counter bores 321 along the length direction thereof, the inner groove 31 is provided with a threaded hole 33 corresponding to each counter bore 321, and the counter bores 321 are provided with bolts 34 to be screwed with the corresponding threaded holes 33 so as to arrange the stopper 32 in the inner groove 31.
The head of the inflatable shaft 5 is placed in the cavity 11, the end of the axial limit pin 22 extends into the circumferential groove 51, and the part of the limit block 32 extending into the cavity 11 falls into the axial groove 52.
The corresponding positions of the static chuck 2 and the dynamic chuck 3 are provided with a transverse locking channel 12 which is formed together, and the transverse locking channel 12 is deviated and arranged in parallel with the central axis of the cylinder; a longitudinal locking channel 13 which is formed together is arranged at the corresponding position of the static chuck 2 and the dynamic chuck 3, and the longitudinal locking channel 13 is in a counter bore shape and is communicated with the transverse locking channel 12; the locking device comprises a locking pin 41 and a bolt 42, the locking pin 41 is provided with a threaded hole 411, the locking pin 41 is inserted into the transverse locking channel 12, and the bolt 42 is matched with the longitudinal locking channel 13 and is in threaded connection with the threaded hole 411 of the locking pin 41. The lock pin 41 is further provided with a center hole 412 extending along the center axis and penetrating the end faces of the two ends thereof, the bolt 42 screwed with the screw hole 411 of the lock pin 41 is provided with a radial through hole 421, and when the locking device locks the static chuck 2 and the dynamic chuck 3, a locking pin 43 penetrates through the center hole 412 and passes through the through hole 421.
The safety chuck 1 is provided with a butt joint device for butt joint of a transmission shaft of a motor, the butt joint device is a plurality of butt joint holes 14 formed in one end face of the static chuck 2 and the movable chuck 3, and central shafts of the butt joint holes 14 are distributed at equal intervals along the same circumference with the central shaft of the safety chuck 1 as a circle center. The transmission device also comprises a motor, and a transmission shaft of the motor is in butt joint connection with the safety chuck 1.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (9)
1. A safe chuck comprises a static chuck and a dynamic chuck which are correspondingly arranged and can be mutually matched to form a cavity, and is characterized in that the static chuck and the dynamic chuck are hinged together and can relatively rotate around a hinge central shaft of the static chuck and the dynamic chuck, and the static chuck and the dynamic chuck are locked by a locking device to form a cylinder; one of the static chuck and the dynamic chuck is provided with a radial hole which extends to the formed cavity from the side surface of the static chuck and the dynamic chuck along the radial direction of the cylinder, and the radial hole is provided with an axial limit pin of which the end part extends into the cavity; one of the static chuck and the dynamic chuck is provided with an inner groove, the inner groove is arranged on the inner wall of the cavity and extends along the axial direction of the cylinder, and the inner groove is provided with a limiting block with the top extending into the cavity.
2. A safety chuck according to claim 1, wherein the static chuck and the dynamic chuck are provided at respective locations with a transverse locking channel formed therebetween, the transverse locking channel being offset from and parallel to the central axis of the cylinder; the corresponding positions of the static chuck and the dynamic chuck are provided with a longitudinal locking channel which is formed together, and the longitudinal locking channel is in a counter bore shape and is communicated with the transverse locking channel; the locking device comprises a lock pin and a bolt, the lock pin is provided with a threaded hole, the lock pin is inserted into the transverse locking channel, and the bolt is matched with the longitudinal locking channel and is in threaded connection with the threaded hole of the lock pin.
3. A safety chuck according to claim 2, wherein the locking pin further comprises a central bore extending along the central axis of the locking pin and extending through the end faces of the locking pin, the bolt threadedly engaged with the threaded bore of the locking pin comprises radial through-bores, and a locking pin is inserted through the central bore and through the through-bores when the locking device locks the static chuck and the dynamic chuck.
4. A safety clip according to any one of claims 1 to 3, wherein the internal groove extends through one end face of the static or dynamic clip.
5. The safety chuck according to claim 4, wherein the stopper has a plurality of counter bores along its length, the inner groove has a threaded hole corresponding to each counter bore, and the counter bores are configured with bolts for engaging the corresponding threaded holes to locate the stopper in the inner groove.
6. A safety chuck according to claim 4, wherein the axial restraining pin is provided with a rib at its end, the rib being in the form of an isosceles trapezoid in a cross-section perpendicular to its length.
7. A safety chuck according to claim 4, wherein the safety chuck is provided with docking means for docking a drive shaft of the motor, the docking means being a plurality of docking holes formed in one of the end surfaces of the static chuck and the dynamic chuck, the central axes of the docking holes being equally spaced circumferentially along the central axis of the safety chuck.
8. A transmission device is used on a winding and unwinding device of coating, compounding and printing equipment and comprises a chuck and an air inflation shaft, and is characterized in that a shaft head of the air inflation shaft is provided with a circumferential groove and an axial groove, the circumferential groove is circumferentially arranged along the air inflation shaft, and the axial groove is arranged along the axial direction of the air inflation shaft; the chuck is a safety chuck as claimed in any one of claims 1 to 6, the head of the inflatable shaft is disposed in the cavity, the end of the axial limiting pin extends into the circumferential groove, and the part of the limiting block extending into the cavity is disposed in the axial groove.
9. The transmission of claim 8, further comprising a motor having a shaft that is in abutting engagement with the safety cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714387.1U CN210973400U (en) | 2019-10-12 | 2019-10-12 | Safe chuck and transmission device applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714387.1U CN210973400U (en) | 2019-10-12 | 2019-10-12 | Safe chuck and transmission device applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210973400U true CN210973400U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921714387.1U Active CN210973400U (en) | 2019-10-12 | 2019-10-12 | Safe chuck and transmission device applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210973400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562805A (en) * | 2019-10-12 | 2019-12-13 | 中山汉洲科技实业有限公司 | Safe chuck and transmission device applying same |
-
2019
- 2019-10-12 CN CN201921714387.1U patent/CN210973400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110562805A (en) * | 2019-10-12 | 2019-12-13 | 中山汉洲科技实业有限公司 | Safe chuck and transmission device applying same |
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