CN111644646B - Self-centering clamping device for stainless steel thin-wall pipe fitting - Google Patents
Self-centering clamping device for stainless steel thin-wall pipe fitting Download PDFInfo
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- CN111644646B CN111644646B CN202010548925.5A CN202010548925A CN111644646B CN 111644646 B CN111644646 B CN 111644646B CN 202010548925 A CN202010548925 A CN 202010548925A CN 111644646 B CN111644646 B CN 111644646B
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- spring
- elastic wrapping
- wall pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/102—Jaws, accessories or adjustment means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
Abstract
The invention belongs to the technical field of clamping devices, and particularly relates to a self-centering clamping device for a stainless steel thin-wall pipe fitting, which comprises a supporting plate, a bottom plate, a limiting rod, a guide seat, a first spring, an elastic wrapping plate and a binding component, wherein the first spring is arranged on the bottom plate; the binding component comprises a binding rope, a limiting buckle, a reel, a transmission shaft, a fixed support plate, a first belt wheel, a synchronous belt, a second belt wheel and a brake motor; according to the self-centering clamping device, all the reels are driven to rotate through the transmission shaft, so that the reels push all the elastic wrapping plates to approach to the center along the radial direction through the bundling ropes, the elastic wrapping plates are attached to the cylindrical surface of the thin-wall pipe fitting, the thin-wall pipe fitting is clamped in an encircling mode through the elastic wrapping plates, the elastic wrapping plates drive the limiting rods to slide along the sliding grooves of the guide seats in the process of approaching to the center, the limiting rods only slide along the direction of the sliding grooves, and all the elastic wrapping plates are gathered to the center and then converged to one point, so that the self-centering clamping effect on the thin-wall pipe fitting is achieved.
Description
Technical Field
The invention belongs to the technical field of clamping devices, and particularly relates to a self-centering clamping device for a stainless steel thin-wall pipe fitting.
Background
The existing clamping fixture for the pipe fittings is the same as a clamping cylinder, a three-jaw chuck is used and comprises a bracket and an annular chuck, the chuck is fixed on the bracket, at least three clamping jaws are uniformly arranged on the chuck, the clamping jaws are uniformly distributed along the circumferential direction and are positioned on the same circumference concentric with the annular chuck, a connecting platform is arranged at the position where each clamping jaw is connected with the chuck, two strip-shaped through holes are symmetrically arranged on the connecting platform in parallel and are respectively positioned at two sides of the clamping jaw, a screw penetrates through the strip-shaped through holes to fixedly connect the clamping jaw with the chuck, the connecting line of the center of the chuck end surface and the center of the clamping jaw is positioned at the radial position of the chuck end surface, and the two strip-shaped through holes on each connecting platform are parallel to the connecting line of the end face center of the chuck and the center of the corresponding clamping jaw, so that the clamping fixture is used for processing a pipe fitting or a cylindrical blank.
However, the clamping of the thin-wall pipe fitting only has three stress points, the pipe fitting is easy to deform under the action of clamping fixing pressure and cutting stress of cutting processing, the self-centering precision of the thin-wall pipe fitting is greatly reduced, the final processing quality of the thin-wall pipe fitting is poor, and even the part is scrapped in the clamping process.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a self-centering clamping device for a stainless steel thin-wall pipe fitting. The invention is mainly used for solving the problem that the thin-wall pipe is extruded and deformed due to fewer stress points in the clamping process of the thin-wall pipe.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a self-centering clamping device for a stainless steel thin-wall pipe fitting, which comprises a supporting plate, a bottom plate, a limiting rod, a guide seat, a first spring, an elastic wrapping plate and a binding part, wherein the bottom plate is provided with a bottom plate; the supporting plate is vertically arranged above the bottom plate; the lower end of the supporting plate is fixedly connected to the upper surface of the bottom plate; the middle part of the supporting plate is provided with a through hole; guide seats are uniformly arranged on the periphery of the through hole along the circumferential direction; the number of the guide seats is at least three; a sliding groove is formed in the guide seat along the radial direction of the through hole; one end of the limiting rod is connected in the sliding groove in a sliding mode, and the first spring is arranged between a baffle arranged at the end portion of the limiting rod and the guide seat; two ends of the first spring are respectively and fixedly connected to the baffle and the guide seat; the other end of the limiting rod is provided with a fork structure; both ends of the branched structure are connected to the surface of one side of the elastic wrapping plate in a sliding manner; one of the limiting rods is provided with the binding component; the binding component is used for binding all the elastic wrapping plates on a pipe fitting; wherein the content of the first and second substances,
the binding component comprises a binding rope, a limiting buckle, a winding wheel, a transmission shaft, a fixed support plate, a first belt wheel, a synchronous belt, a second belt wheel and a brake motor; the bundling rope is intermittently arranged outside the elastic wrapping plate; one end of the binding rope is fixedly connected to one of the branch structures; the bundling ropes are sequentially sleeved on the outer side surfaces of all the elastic wrapping plates; the binding rope is sleeved with the limiting buckle; the limiting buckle is fixedly connected to the elastic wrapping plate; the other end of the bundling rope is fixedly connected to the outer circle of the winding wheel; the reel is arranged corresponding to the position of the binding rope; all the reels are sleeved on the transmission shaft; the transmission shaft is connected to the lower end of the branched structure through the fixed support plate; the transmission shaft is rotatably connected in a mounting hole at the lower end of the fixed support plate; the middle part of the transmission shaft is fixedly connected with the first belt wheel; the first belt wheel is connected with the second belt wheel through the synchronous belt; the second belt wheel is fixedly connected to a rotating shaft of the brake motor; the brake motor is fixedly connected to the limiting rod.
When the clamping device works, the end to be clamped of the thin-wall pipe fitting is inserted into the area surrounded by the elastic wrapping plate, then the brake motor is electrified to rotate in the forward direction, the brake motor drives the second belt wheel to rotate, the second belt wheel drives the first belt wheel to rotate through the synchronous belt, the first belt wheel drives all the reels to rotate through the transmission shaft, the reels push all the elastic wrapping plates to move close to the center along the radial direction through the binding rope, the elastic wrapping plates are attached to the cylindrical surface of the thin-wall pipe fitting, the thin-wall pipe fitting is clamped in an encircling manner through the elastic wrapping plates, the elastic wrapping plates drive the limiting rods to slide along the sliding grooves of the guide seats in the process of moving close to the center, due to the limiting effect of the guide seats, the limiting rods only slide along the direction of the sliding grooves, the moving direction of the branched structures at the end parts of the limiting rods is limited, and because both ends of the branched structures are connected to one side, the direction of the elastic wrapping plates folding towards the center is further limited, all the elastic wrapping plates are gathered towards the center and then gathered to a point, the self-centering effect is further achieved, the center of the clamped thin-wall pipe is unique, and the self-centering clamping effect on the thin-wall pipe is further achieved; in the process, the self-centering automatic clamping of the thin-wall pipe fitting can be realized by controlling the rotation of the brake motor, so that the use convenience of a user is improved; and the form of embracing the clamp through the elastic wrapping plate not only improves the stability after clamping, but also can effectively prevent the thin-wall pipe fitting from being deformed by clamping because the contact surface of the embracing clamp is larger, thereby improving the quality of clamping.
When the brake motor rotates reversely, the limiting rod moves reversely along the sliding groove of the guide seat under the action of the rebound force of the first spring, so that the elastic wrapping plate is driven to expand towards the periphery, and the thin-wall pipe fitting is loosened.
Preferably, the surface of the elastic wrapping plate close to one side of the bifurcation structure is symmetrically provided with T-shaped grooves; the two ends of the branched structure are close to one side of the elastic wrapping plate and are connected with a columnar sliding shaft through a connecting plate; the columnar sliding shaft is connected in the T-shaped groove in a sliding manner; and a second spring is arranged between the columnar sliding shaft and the closed end of the T-shaped groove.
When the elastic wrapping plate is bound on the cylindrical surface of the thin-wall pipe fitting through the binding rope, the cylindrical sliding shaft is arranged at the end part of the branched structure and slides in the T-shaped groove on the elastic wrapping plate, so that the elastic wrapping plate can be completely attached to the cylindrical surface of the thin-wall pipe fitting when being extruded by the binding rope, the radian of the elastic wrapping plate which can not be bent is ensured, the thin-wall pipe fittings with different pipe diameters can be clamped, and the application range of the clamping device is further improved; the setting of column sliding shaft has not only improved the gliding smoothness degree of elasticity parcel board for the bifurcation structure, guaranteed moreover that bifurcation structure and elasticity be connected between the parcel board structure can not influence the bending deformation of elasticity parcel board, and then make the laminating of laminating with thin-walled tube spare that elasticity parcel board can be stable, and then improved the elasticity parcel board and embraced the self-centering precision who presss from both sides thin-walled tube spare.
Preferably, the reel is rotatably connected with the transmission shaft, and the reel is connected with the transmission shaft through a torsion spring; the torsion spring is sleeved on the transmission shaft; one end of the torsion spring is inserted into the mounting hole on the end face of the reel; the other end of the torsion spring is inserted in the mounting hole on the cylindrical surface of the transmission shaft.
Torque is transmitted between the reel and the transmission shaft through the torsion spring, so that the problem that the longer bundling rope cannot be tensioned continuously due to the limitation of the shorter bundling rope caused by length errors among the bundling ropes, and the problem that the part of the elastic wrapping plate is not tightly attached to the thin-wall pipe fitting due to insufficient extrusion force of the bundling rope, and the problem that the positioning precision and the clamping force of the elastic wrapping plate are insufficient can be solved; therefore, the arrangement of the torsion spring can well compensate errors caused by the length of the binding rope, so that the elastic wrapping plate is guaranteed to be subjected to uniform extrusion force provided by the binding rope, the elastic wrapping plate is further guaranteed to be uniformly and closely attached to the cylindrical surface of the thin-wall pipe fitting, and the positioning precision and the clamping stability of the thin-wall pipe fitting are further guaranteed.
As a first preferred scheme, a third spring and a first supporting wheel are arranged between the adjacent elastic wrapping plates; the first supporting wheels are sleeved on the bundling ropes at intervals; the third spring is arranged between the adjacent first supporting wheels; and a third spring is arranged between the first supporting wheel and the elastic wrapping plate.
The third spring and the first supporting wheel are arranged between the adjacent elastic wrapping plates, so that the binding rope is prevented from contacting the thin-wall pipe between the adjacent elastic wrapping plates, the surface of the thin-wall pipe is prevented from being scratched due to friction in the process of rolling the binding rope, and the clamping quality of the thin-wall pipe is improved; on the other hand, the elastic force of the third spring can ensure that the first supporting wheel is uniformly distributed on the outer cylindrical surface of the thin-wall pipe, so that the extrusion force of the binding rope transmitted on the thin-wall pipe through the first supporting wheel is uniform, and the positioning precision and the clamping stability of the thin-wall pipe are further improved.
Preferably, the end surfaces of the two sides of the first supporting wheel are provided with sinking grooves; the end part of the third spring is fixedly connected in the sinking groove; the end part of the third spring close to the elastic wrapping plate is fixedly connected to the elastic wrapping plate.
The end part of the third spring is fixedly connected with the first supporting wheel, and the end part of the third spring close to the elastic wrapping plate is fixedly connected to the elastic wrapping plate, so that the third spring is gradually unfolded under the action of the rebounding force of the third spring after the brake motor rotates reversely, and the bundling rope is further driven to be gradually unfolded; and because the third spring and the first supporting wheel are connected into a whole, the third spring can well support the bundling rope after being unfolded, so that the bundling rope is prevented from freely falling, the bundling rope is prevented from influencing the area where the thin-wall pipe fitting is inserted between the unfolded elastic wrapping plates, the clamping device is further ensured to run more stably, and a good using effect is ensured.
As a second preferred scheme, a fourth spring and a second supporting wheel are arranged between the adjacent elastic wrapping plates; the fourth spring is sleeved on the bundling rope; two ends of the fourth spring are respectively and fixedly connected to the two adjacent elastic wrapping plates; the second supporting wheel is sleeved on the fourth spring at intervals; a crescent elastic ring is arranged on the inner side of the second supporting wheel; the elastic ring is fixedly connected to the inner side surface of the second supporting wheel through a screw; the elastic ring is clamped between adjacent coils of the fourth spring.
The four springs and the two support wheels are arranged between the adjacent elastic wrapping plates, so that the binding rope is prevented from contacting the thin-wall pipe between the adjacent elastic wrapping plates, the surface of the thin-wall pipe is prevented from being scratched due to friction in the process of rolling the binding rope, and the clamping quality of the thin-wall pipe is improved; on the other hand, the second supporting wheels are uniformly distributed and fixed on the spiral ring of the fourth spring through the elastic ring, so that the second supporting wheels can be uniformly distributed on the outer cylindrical surface of the thin-wall pipe through the elastic force of the fourth spring, the extrusion force of the bundling rope transmitted on the thin-wall pipe through the second supporting wheels is uniform, and the positioning precision and the clamping stability of the thin-wall pipe are further improved; spring tip fixed connection is on the elasticity parcel board through setting up No. four near the elasticity parcel board, and then after the brake motor reversal, under the bounce-back effect of No. four springs, and then make No. four springs expand gradually, and then drive the bundle rope and be expanded gradually, and then can be fine support the bundle rope, and then guarantee that the bundle rope can not freely fall down, and then prevent to bundle the rope and influence the region that thin-walled tube spare inserted between the elasticity parcel board that expands, and then guaranteed that clamping device can more stable operation, and guarantee to have fine result of use.
The invention has the following beneficial effects:
1. in the invention, the end to be clamped of the thin-wall pipe fitting is inserted into the area surrounded by the elastic wrapping plate, then the brake motor is electrified to rotate in the forward direction, the brake motor drives the second belt wheel to rotate, the second belt wheel drives the first belt wheel to rotate through the synchronous belt, the first belt wheel drives all the reels to rotate through the transmission shaft, the reels push all the elastic wrapping plates to approach to the center along the radial direction through the binding rope, the elastic wrapping plates are attached to the cylindrical surface of the thin-wall pipe fitting, the thin-wall pipe fitting is clamped in an encircling manner through the elastic wrapping plates, the elastic wrapping plates drive the limiting rod to slide along the sliding groove of the guide seat in the process of approaching to the center, the limiting rod only can slide along the direction of the sliding groove due to the limiting effect of the guide seat, the moving direction of the branched structure at the end part of the limiting rod is further limited, and both ends of the branched structure are connected to one side surface of, the direction of the elastic wrapping plates folding towards the center is further limited, all the elastic wrapping plates are gathered towards the center and then gathered to a point, the self-centering effect is further achieved, the center of the clamped thin-wall pipe is unique, and the self-centering clamping effect on the thin-wall pipe is further achieved; in the process, the self-centering automatic clamping of the thin-wall pipe fitting can be realized by controlling the rotation of the brake motor, so that the use convenience of a user is improved; and the form of embracing the clamp through the elastic wrapping plate not only improves the stability after clamping, but also can effectively prevent the thin-wall pipe fitting from being deformed by clamping because the contact surface of the embracing clamp is larger, thereby improving the quality of clamping.
2. When the elastic wrapping plate is bound on the cylindrical surface of the thin-wall pipe fitting through the binding rope, the cylindrical sliding shaft is arranged at the end part of the branched structure and slides in the T-shaped groove on the elastic wrapping plate, so that the elastic wrapping plate can be completely attached to the cylindrical surface of the thin-wall pipe fitting when being extruded by the binding rope, the radian of the elastic wrapping plate which can not be bent is ensured, the thin-wall pipe fittings with different pipe diameters can be clamped, and the application range of the clamping device is further improved; the setting of column sliding shaft has not only improved the gliding smoothness degree of elasticity parcel board for the bifurcation structure, guaranteed moreover that bifurcation structure and elasticity be connected between the parcel board structure can not influence the bending deformation of elasticity parcel board, and then make the laminating of laminating with thin-walled tube spare that elasticity parcel board can be stable, and then improved the elasticity parcel board and embraced the self-centering precision who presss from both sides thin-walled tube spare.
3. According to the invention, torque is transmitted between the reel and the transmission shaft through the torsion spring, so that the problems that the longer binding ropes cannot be tensioned continuously due to the limitation of the shorter binding ropes due to length errors among the binding ropes, and the elastic wrapping plate is not tightly attached to the thin-wall pipe fitting due to insufficient extrusion force of the binding ropes, and the positioning precision and clamping force of the elastic wrapping plate are insufficient can be solved; therefore, the arrangement of the torsion spring can well compensate errors caused by the length of the binding rope, so that the elastic wrapping plate is guaranteed to be subjected to uniform extrusion force provided by the binding rope, the elastic wrapping plate is further guaranteed to be uniformly and closely attached to the cylindrical surface of the thin-wall pipe fitting, and the positioning precision and the clamping stability of the thin-wall pipe fitting are further guaranteed.
4. According to the invention, the third spring and the first supporting wheel are arranged between the adjacent elastic wrapping plates, so that on one hand, the binding rope is prevented from contacting the thin-wall pipe between the adjacent elastic wrapping plates, and further, the surface of the thin-wall pipe is prevented from being scratched due to friction in the process of rolling the binding rope, and the clamping quality of the thin-wall pipe is improved; on the other hand, the elastic force of the third spring can ensure that the first supporting wheel is uniformly distributed on the outer cylindrical surface of the thin-wall pipe, so that the extrusion force of the binding rope transmitted on the thin-wall pipe through the first supporting wheel is uniform, and the positioning precision and the clamping stability of the thin-wall pipe are further improved.
5. According to the invention, the end part of the third spring is fixedly connected with the first supporting wheel, and the end part of the third spring close to the elastic wrapping plate is fixedly connected to the elastic wrapping plate, so that after the brake motor rotates reversely, the third spring is gradually unfolded under the action of the rebound force of the third spring, and the bundling rope is further driven to be gradually unfolded; and because the third spring and the first supporting wheel are connected into a whole, the third spring can well support the bundling rope after being unfolded, so that the bundling rope is prevented from freely falling, the bundling rope is prevented from influencing the area where the thin-wall pipe fitting is inserted between the unfolded elastic wrapping plates, the clamping device is further ensured to run more stably, and a good using effect is ensured.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall configuration of the clamping device of the present invention at one angle;
FIG. 2 is a schematic view of the overall configuration of the clamping device of the present invention at another angle;
FIG. 3 is a schematic view of the binding assembly of the present invention;
FIG. 4 is a schematic view of the connection structure of the stop lever and the elastic wrapping plate according to the present invention;
FIG. 5 is a schematic structural view of the connection between the third spring and the first support wheel in the present invention;
FIG. 6 is a schematic view of the connection between the No. four spring and the No. two support wheel in the present invention;
FIG. 7 is a schematic view of the connection between the elastic ring and the second support wheel in the present invention;
in the figure: the brake device comprises a supporting plate 1, a bottom plate 2, a limiting rod 3, a bifurcation structure 31, a cylindrical sliding shaft 32, a second spring 33, a guide seat 4, a first spring 5, an elastic wrapping plate 6, a T-shaped groove 61, a binding part 7, a torsion spring 70, a binding rope 71, a limiting buckle 72, a reel 73, a transmission shaft 74, a fixed support plate 75, a first belt wheel 76, a synchronous belt 77, a second belt wheel 78, a brake motor 79, a third spring 81, a first supporting wheel 82, a sinking groove 821, a fourth spring 91, a second supporting wheel 92, an elastic ring 93 and a screw 94.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, a self-centering clamping device for a stainless steel thin-wall pipe comprises a supporting plate 1, a bottom plate 2, a limiting rod 3, a guide seat 4, a first spring 5, an elastic wrapping plate 6 and a binding component 7; the supporting plate 1 is vertically arranged above the bottom plate 2; the lower end of the supporting plate 1 is fixedly connected to the upper surface of the bottom plate 2; a through hole is formed in the middle of the supporting plate 1; the periphery of the through hole is uniformly provided with guide seats 4 along the circumferential direction; the number of the guide seats 4 is at least three; a sliding groove is arranged on the guide seat 4 along the radial direction of the through hole; one end of the limiting rod 3 is connected in the sliding groove in a sliding mode, and the first spring 5 is arranged between a baffle arranged at the end portion of the limiting rod 3 and the guide seat 4; two ends of the first spring 5 are respectively and fixedly connected to the baffle and the guide seat 4; the other end of the limiting rod 3 is provided with a fork structure 31; both ends of the bifurcating structure 31 are slidably connected to one side surface of the elastic wrapping plate 6; one of the limiting rods 3 is provided with the binding component 7; the binding component 7 is used for binding all the elastic wrapping plates 6 on the pipe fitting; wherein the content of the first and second substances,
the binding component 7 comprises a binding rope 71, a limiting buckle 72, a winding wheel 73, a transmission shaft 74, a fixing support plate 75, a first belt wheel 76, a synchronous belt 77, a second belt wheel 78 and a brake motor 79; the bundling rope 71 is intermittently arranged outside the elastic wrapping plate 6; one end of the binding rope 71 is fixedly connected to one of the bifurcating structures 31; the binding rope 71 is sequentially sleeved on the outer side surfaces of all the elastic wrapping plates 6; the limiting buckle 72 is sleeved on the binding rope 71; the limiting buckle 72 is fixedly connected to the elastic wrapping plate 6; the other end of the binding rope 71 is fixedly connected to the outer circle of the reel 73; the reel 73 is provided corresponding to the position of the binding rope 71; all the reels 73 are sleeved on the transmission shaft 74; the transmission shaft 74 is connected to the lower end of the bifurcation structure 31 through the fixed support plate 75; the transmission shaft 74 is rotatably connected in a mounting hole at the lower end of the fixed support plate 75; the middle part of the transmission shaft 74 is fixedly connected with the first belt wheel 76; the first belt wheel 76 is connected with the second belt wheel 78 through the synchronous belt 77; the second belt wheel 78 is fixedly connected to a rotating shaft of the brake motor 79; the brake motor 79 is fixedly connected to the limiting rod 3.
When the device works, the to-be-clamped end of the thin-wall pipe fitting is inserted into the area surrounded by the elastic wrapping plate 6, then the brake motor 79 is electrified to rotate in the forward direction, the brake motor 79 drives the second belt wheel 78 to rotate, the second belt wheel 78 drives the first belt wheel 76 to rotate through the synchronous belt 77, the first belt wheel 76 drives all the reels 73 to rotate through the transmission shaft 74, the reels 73 push all the elastic wrapping plates 6 to move towards the center along the radial direction through the binding ropes 71, so that the elastic wrapping plates 6 are attached to the cylindrical surface of the thin-wall pipe fitting, the thin-wall pipe fitting is clamped in an encircling manner through the elastic wrapping plates 6, the elastic wrapping plates 6 drive the limiting rods 3 to slide along the sliding grooves of the guide seats 4 in the process of moving towards the center, due to the limiting effect of the guide seats 4, the limiting rods 3 only slide along the direction of the sliding grooves, and the moving direction of the bifurcation structures 31 at the end parts, because both ends of the bifurcating structure 31 are slidably connected to the surface of one side of the elastic wrapping plate 6, the direction of the elastic wrapping plate 6 which is folded towards the center is limited, all the elastic wrapping plates 6 are folded towards the center and then are gathered to a point, the self-centering effect is realized, the center of the clamped thin-wall pipe is unique, and the self-centering clamping effect on the thin-wall pipe is realized; in the process, the self-centering automatic clamping of the thin-wall pipe fitting can be realized by controlling the rotation of the brake motor 79, so that the use convenience of a user is improved; and through the form that the elastic wrapping plate 6 embraces the clamp, the stability after the clamp is improved, and because the contact surface of embracing the clamp is great, and then can effectually prevent that the thin-walled tube from being deformed by the centre gripping, and then improved the quality of clamping.
When the brake motor 79 rotates reversely, the limiting rod 3 moves reversely along the sliding groove of the guide seat 4 under the action of the rebound force of the first spring 5, so that the elastic wrapping plate 6 is driven to expand around, and the thin-wall pipe fitting is loosened.
As shown in fig. 2 and 3, T-shaped grooves 61 are symmetrically formed on the surface of the elastic wrapping plate 6 on the side close to the bifurcating structure 31; the two ends of the branched structure 31 close to one side of the elastic wrapping plate 6 are connected with a cylindrical sliding shaft 32 through a connecting plate; the cylindrical sliding shaft 32 is connected in the T-shaped groove 61 in a sliding manner; a second spring 33 is arranged between the cylindrical sliding shaft 32 and the closed end of the T-shaped groove 61.
When the elastic wrapping plate 6 is bound on the cylindrical surface of the thin-wall pipe fitting through the binding rope 71, the end part of the bifurcating structure 31 is provided with the columnar sliding shaft 32, and the columnar sliding shaft 32 slides in the T-shaped groove 61 on the elastic wrapping plate 6, so that the elastic wrapping plate 6 can be completely attached to the cylindrical surface of the thin-wall pipe fitting when being extruded by the binding rope 71, the radian of the elastic wrapping plate 6 which can not be bent is ensured, the thin-wall pipe fittings with different pipe diameters can be clamped, and the application range of the clamping device is further improved; the setting of column sliding shaft 32 has not only improved elasticity parcel board 6 for the gliding smoothness degree of bifurcation structure 31, guaranteed moreover bifurcation structure 31 and elasticity parcel between the board 6 structure of being connected can not influence the bending deformation of elasticity parcel board 6, and then make the laminating of can be stable with thin-walled tube spare of elasticity parcel board 6, and then improved the self-centering precision that thin-walled tube spare was embraced and pressed from both sides by elasticity parcel board 6.
As shown in fig. 3, the reel 73 is rotatably connected with the transmission shaft 74, and the reel 73 is connected with the transmission shaft 74 through a torsion spring 70; the torsion spring 70 is sleeved on the transmission shaft 74; one end of the torsion spring 70 is inserted into the mounting hole on the end surface of the reel 73; the other end of the torsion spring 70 is inserted into the mounting hole on the cylindrical surface of the transmission shaft 74.
The torsion is transmitted between the reel 73 and the transmission shaft 74 through the torsion spring 70, so that the problem that the longer binding rope 71 cannot be continuously tensioned due to the limitation of the shorter binding rope 71 caused by the length error among the binding ropes 71, and the problem that the part of the elastic wrapping plate 6 is not tightly attached to the thin-wall pipe fitting due to insufficient extrusion force of the binding rope 71, and the problem that the positioning accuracy and the clamping force of the elastic wrapping plate 6 are insufficient can be avoided; therefore, the torsion spring 70 can well compensate for the error caused by the length of the binding rope 71, so that the elastic wrapping plate 6 is ensured to be subjected to uniform extrusion force provided by the binding rope 71, the elastic wrapping plate 6 is ensured to be uniformly and tightly attached to the cylindrical surface of the thin-wall pipe fitting, and the positioning precision and the clamping stability of the thin-wall pipe fitting are ensured.
As shown in fig. 5, as a first embodiment of the present invention, a third spring 81 and a first support wheel 82 are disposed between adjacent elastic wrapping plates 6; the first supporting wheels 82 are sleeved on the bundling rope 71 at intervals; the third spring 81 is arranged between the adjacent first supporting wheels 82; the third spring 81 is arranged between the first supporting wheel 82 and the elastic wrapping plate 6.
By arranging the third spring 81 and the first supporting wheel 82 between the adjacent elastic wrapping plates 6, on one hand, the binding rope 71 is prevented from contacting the thin-wall pipe between the adjacent elastic wrapping plates 6, and further the surface of the thin-wall pipe is prevented from being scratched due to friction in the process of rolling the binding rope 71, so that the clamping quality of the thin-wall pipe is improved; on the other hand, the elastic force of the third spring 81 can ensure that the first supporting wheel 82 is uniformly distributed on the outer cylindrical surface of the thin-wall pipe, so that the extrusion force of the binding rope 71 transmitted on the thin-wall pipe through the first supporting wheel 82 is also uniform, and the positioning accuracy and the clamping stability of the thin-wall pipe are further improved.
As shown in fig. 5, the first support wheel 82 is provided with a sinking groove 821 on both side end surfaces; the end of the third spring 81 is fixedly connected in the sinking groove 821; the end part of the third spring 81 close to the elastic wrapping plate 6 is fixedly connected to the elastic wrapping plate 6.
The end part of the third spring 81 is fixedly connected with the first supporting wheel 82, and the end part of the third spring 81 close to the elastic wrapping plate 6 is fixedly connected to the elastic wrapping plate 6, so that after the brake motor 79 rotates reversely, the third spring 81 is gradually unfolded under the action of the rebounding force of the third spring 81, and the bundling rope 71 is further driven to be gradually unfolded; and because the third spring 81 and the first supporting wheel 82 are connected into a whole, the third spring 81 can well support the binding rope 71 after being unfolded, so that the binding rope 71 is prevented from freely falling down, the binding rope 71 is prevented from influencing the area of the thin-wall pipe inserted between the unfolded elastic wrapping plates 6, the clamping device is further ensured to run more stably, and a good use effect is ensured.
As shown in fig. 6 and 7, as a second embodiment of the present invention, a fourth spring 91 and a second support wheel 92 are disposed between adjacent elastic wrapping plates 6; the fourth spring 91 is sleeved on the bundling rope 71; two ends of the fourth spring 91 are respectively and fixedly connected to two adjacent elastic wrapping plates 6; the second supporting wheel 92 is sleeved on the fourth spring 91 at intervals; a crescent elastic ring 93 is arranged on the inner side of the second supporting wheel 92; the elastic ring 93 is fixedly connected to the inner side surface of the second support wheel 92 through a screw 94; the elastic ring 93 is engaged between adjacent coils of the four-gauge spring 91.
By arranging the fourth spring 91 and the second support wheel 92 between the adjacent elastic wrapping plates 6, on one hand, the binding rope 71 is prevented from contacting the thin-wall pipe between the adjacent elastic wrapping plates 6, and further the surface of the thin-wall pipe is prevented from being scratched due to friction in the process of rolling the binding rope 71, so that the clamping quality of the thin-wall pipe is improved; on the other hand, the second supporting wheel 92 is uniformly distributed and fixed on the spiral ring of the fourth spring 91 through the elastic ring 93, so that the second supporting wheel 92 can be uniformly distributed on the outer cylindrical surface of the thin-wall pipe through the elastic force of the fourth spring 91, the extrusion force of the bundling rope 71 transmitted on the thin-wall pipe through the second supporting wheel 92 is uniform, and the positioning precision and the clamping stability of the thin-wall pipe are further improved; through setting up No. four spring 91 end fixed connection that is close to elasticity parcel board 6 on elasticity parcel board 6, and then after brake motor 79 reverses, under No. four spring 91's bounce-back effect, and then make No. four spring 91 expand gradually, and then drive bundle rope 71 and be expanded gradually, and then can be fine support bundle rope 71, and then guarantee that bundle rope 71 can not freely sag, and then prevent that bundle rope 71 from influencing the region that thin wall tube spare inserted between the elasticity parcel board 6 that expands, and then guaranteed that clamping device can more stable operation, and guarantee to have fine result of use.
When the device works, the to-be-clamped end of the thin-wall pipe fitting is inserted into the area surrounded by the elastic wrapping plate 6, then the brake motor 79 is electrified to rotate in the forward direction, the brake motor 79 drives the second belt wheel 78 to rotate, the second belt wheel 78 drives the first belt wheel 76 to rotate through the synchronous belt 77, the first belt wheel 76 drives all the reels 73 to rotate through the transmission shaft 74, the reels 73 push all the elastic wrapping plates 6 to move towards the center along the radial direction through the binding ropes 71, so that the elastic wrapping plates 6 are attached to the cylindrical surface of the thin-wall pipe fitting, the thin-wall pipe fitting is clamped in an encircling manner through the elastic wrapping plates 6, the elastic wrapping plates 6 drive the limiting rods 3 to slide along the sliding grooves of the guide seats 4 in the process of moving towards the center, due to the limiting effect of the guide seats 4, the limiting rods 3 only slide along the direction of the sliding grooves, and the moving direction of the bifurcation structures 31 at the end parts, because both ends of the bifurcating structure 31 are slidably connected to the surface of one side of the elastic wrapping plate 6, the direction of the elastic wrapping plate 6 which is folded towards the center is limited, all the elastic wrapping plates 6 are folded towards the center and then are gathered to a point, the self-centering effect is realized, the center of the clamped thin-wall pipe is unique, and the self-centering clamping effect on the thin-wall pipe is realized; in the process, the self-centering automatic clamping of the thin-wall pipe fitting can be realized by controlling the rotation of the brake motor 79, so that the use convenience of a user is improved; the stability after clamping is improved by the clamping form of the elastic wrapping plate 6, and the thin-wall pipe fitting can be effectively prevented from being clamped and deformed due to the large contact surface of the clamping, so that the clamping quality is improved; when the brake motor 79 rotates reversely, the limiting rod 3 moves reversely along the sliding groove of the guide seat 4 under the action of the rebound force of the first spring 5, so that the elastic wrapping plate 6 is driven to expand around, and the thin-wall pipe fitting is loosened.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides a stainless steel thin-walled tube spare is from feeling relieved clamping device which characterized in that: comprises a supporting plate (1), a bottom plate (2), a limiting rod (3), a guide seat (4), a first spring (5), an elastic wrapping plate (6) and a binding component (7); the supporting plate (1) is vertically arranged above the bottom plate (2); the lower end of the supporting plate (1) is fixedly connected to the upper surface of the bottom plate (2); a through hole is formed in the middle of the supporting plate (1); guide seats (4) are uniformly arranged on the periphery of the through hole along the circumferential direction; the number of the guide seats (4) is at least three; a sliding groove is formed in the guide seat (4) along the radial direction of the through hole; one end of the limiting rod (3) is connected in the sliding groove in a sliding mode, and the first spring (5) is arranged between a baffle arranged at the end portion of the limiting rod (3) and the guide seat (4); two ends of the first spring (5) are respectively and fixedly connected to the baffle and the guide seat (4); the other end of the limiting rod (3) is arranged into a branched structure (31); both ends of the branched structure (31) are connected to one side surface of the elastic wrapping plate (6) in a sliding mode; one of the limiting rods (3) is provided with the binding component (7); the binding component (7) is used for binding all the elastic wrapping plates (6) on a pipe fitting; wherein the content of the first and second substances,
the binding component (7) comprises a binding rope (71), a limiting buckle (72), a winding wheel (73), a transmission shaft (74), a fixed support plate (75), a first belt wheel (76), a synchronous belt (77), a second belt wheel (78) and a brake motor (79); the binding rope (71) is arranged outside the elastic wrapping plate (6) intermittently; one end of the binding rope (71) is fixedly connected to one of the branch structures (31); the binding ropes (71) are sequentially sleeved on the outer side surfaces of all the elastic wrapping plates (6); the binding rope (71) is sleeved with the limiting buckle (72); the limiting buckle (72) is fixedly connected to the elastic wrapping plate (6); the other end of the binding rope (71) is fixedly connected to the outer circle of the reel (73); the reel (73) is arranged corresponding to the position of the binding rope (71); all the reels (73) are sleeved on the transmission shaft (74); the transmission shaft (74) is connected to the lower end of the branched structure (31) through the fixed support plate (75); the transmission shaft (74) is rotatably connected in a mounting hole at the lower end of the fixed support plate (75); the middle part of the transmission shaft (74) is fixedly connected with the first belt wheel (76); the first belt wheel (76) is connected with the second belt wheel (78) through the synchronous belt (77); the second belt wheel (78) is fixedly connected to a rotating shaft of the brake motor (79); and the brake motor (79) is fixedly connected to the limiting rod (3).
2. The self-centering clamping device for the stainless steel thin-wall pipe fitting according to claim 1, is characterized in that: the surface of one side, close to the bifurcation structure (31), of the elastic wrapping plate (6) is symmetrically provided with T-shaped grooves (61); one side of the two ends of the branched structure (31), which is close to the elastic wrapping plate (6), is connected with a cylindrical sliding shaft (32) through a connecting plate; the cylindrical sliding shaft (32) is connected in the T-shaped groove (61) in a sliding manner; a second spring (33) is arranged between the cylindrical sliding shaft (32) and the closed end of the T-shaped groove (61).
3. The self-centering clamping device for the stainless steel thin-wall pipe fitting according to claim 2, is characterized in that: the reel (73) is rotatably connected with the transmission shaft (74), and the reel (73) is connected with the transmission shaft (74) through a torsion spring (70); the torsion spring (70) is sleeved on the transmission shaft (74); one end of the torsion spring (70) is inserted into the mounting hole on the end face of the reel (73); the other end of the torsion spring (70) is inserted into the mounting hole on the cylindrical surface of the transmission shaft (74).
4. The self-centering clamping device for the stainless steel thin-wall pipe fitting according to claim 3, is characterized in that: a third spring (81) and a first supporting wheel (82) are arranged between the adjacent elastic wrapping plates (6); the first supporting wheels (82) are sleeved on the bundling rope (71) at intervals; the third spring (81) is arranged between the adjacent first supporting wheels (82); and a third spring (81) is arranged between the first supporting wheel (82) and the elastic wrapping plate (6).
5. The self-centering clamping device for the stainless steel thin-wall pipe fitting according to claim 4, is characterized in that: the end faces of the two sides of the first supporting wheel (82) are respectively provided with a sinking groove (821); the end part of the third spring (81) is fixedly connected in the sinking groove (821); the end part of the third spring (81) close to the elastic wrapping plate (6) is fixedly connected to the elastic wrapping plate (6).
6. The self-centering clamping device for the stainless steel thin-wall pipe fitting according to claim 3, is characterized in that: a fourth spring (91) and a second supporting wheel (92) are arranged between the adjacent elastic wrapping plates (6); the fourth spring (91) is sleeved on the bundling rope (71); two ends of the fourth spring (91) are respectively and fixedly connected to the two adjacent elastic wrapping plates (6); the second supporting wheel (92) is sleeved on the fourth spring (91) at intervals; a crescent elastic ring (93) is arranged on the inner side of the second supporting wheel (92); the elastic ring (93) is fixedly connected to the inner side surface of the second support wheel (92) through a screw (94); the elastic ring (93) is clamped between adjacent coils of the four-number spring (91).
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| CN115818233B (en) * | 2023-02-21 | 2023-06-13 | 宜宾健翌精密机械制造有限公司 | Transportation discharge apparatus |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4714229A (en) * | 1984-04-27 | 1987-12-22 | Novatome | Anti-vibratory support device for a pipe whose thickness is small relative to the diameter |
| DE102007006526B3 (en) * | 2007-02-06 | 2008-08-14 | Technische Universität Ilmenau | Device e.g. clamping bolt, for centric deformation-poor clamping of thin-walled pipe, has bracket compensation element provided at arm, and bracket fixed against jaws for pressing and clamping pipe against jaws |
| CN202447705U (en) * | 2011-12-22 | 2012-09-26 | 天津利德尔汽车零部件有限公司 | Thin-walled metal pipe fixing tool |
| KR20170114426A (en) * | 2016-04-04 | 2017-10-16 | 주식회사 삼천리기계 | Hydraulic Chuck for Fixing a Thin Pipe |
| CN207840185U (en) * | 2017-11-21 | 2018-09-11 | 重庆交通职业学院 | A kind of thin-wall pipe clamp for machining |
| CN108723411A (en) * | 2018-08-15 | 2018-11-02 | 浙江科恩特电机科技有限公司 | Thin-wall tube Vehicle Processing tooling |
| US10240692B2 (en) * | 2015-12-31 | 2019-03-26 | Kepco Engineering & Construction Company, Inc. | Fastening-type pipe supporting apparatus for curved pipe |
| CN208977313U (en) * | 2018-08-27 | 2019-06-14 | 廖安 | A kind of thin-walled support tube clamp for machining |
| CN209737442U (en) * | 2019-04-30 | 2019-12-06 | 长江师范学院 | Thin-wall pipe fitting clamping device |
| CN210115540U (en) * | 2019-03-20 | 2020-02-28 | 天津慧存科技有限公司 | Angle-changing linear cutting jig for thin-walled pipe |
| TW202017680A (en) * | 2018-09-27 | 2020-05-16 | 日商北川鐵工所股份有限公司 | Chuck apparatus |
-
2020
- 2020-06-16 CN CN202010548925.5A patent/CN111644646B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4714229A (en) * | 1984-04-27 | 1987-12-22 | Novatome | Anti-vibratory support device for a pipe whose thickness is small relative to the diameter |
| DE102007006526B3 (en) * | 2007-02-06 | 2008-08-14 | Technische Universität Ilmenau | Device e.g. clamping bolt, for centric deformation-poor clamping of thin-walled pipe, has bracket compensation element provided at arm, and bracket fixed against jaws for pressing and clamping pipe against jaws |
| CN202447705U (en) * | 2011-12-22 | 2012-09-26 | 天津利德尔汽车零部件有限公司 | Thin-walled metal pipe fixing tool |
| US10240692B2 (en) * | 2015-12-31 | 2019-03-26 | Kepco Engineering & Construction Company, Inc. | Fastening-type pipe supporting apparatus for curved pipe |
| KR20170114426A (en) * | 2016-04-04 | 2017-10-16 | 주식회사 삼천리기계 | Hydraulic Chuck for Fixing a Thin Pipe |
| CN207840185U (en) * | 2017-11-21 | 2018-09-11 | 重庆交通职业学院 | A kind of thin-wall pipe clamp for machining |
| CN108723411A (en) * | 2018-08-15 | 2018-11-02 | 浙江科恩特电机科技有限公司 | Thin-wall tube Vehicle Processing tooling |
| CN208977313U (en) * | 2018-08-27 | 2019-06-14 | 廖安 | A kind of thin-walled support tube clamp for machining |
| TW202017680A (en) * | 2018-09-27 | 2020-05-16 | 日商北川鐵工所股份有限公司 | Chuck apparatus |
| CN210115540U (en) * | 2019-03-20 | 2020-02-28 | 天津慧存科技有限公司 | Angle-changing linear cutting jig for thin-walled pipe |
| CN209737442U (en) * | 2019-04-30 | 2019-12-06 | 长江师范学院 | Thin-wall pipe fitting clamping device |
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Address after: Room 303, 3 stairs, block 10, cuipingyuan, 290 zhongpingcha Road, Panyu District, Guangzhou City, Guangdong Province, 511400 Applicant after: Xu Lulu Address before: No.37 Lihai, Lizhuang village, Wujiang Town, Yingdong District, Fuyang City, Anhui Province Applicant before: Xu Lulu |
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Effective date of registration: 20221215 Address after: 400900 high tech Industrial Development Zone, Dazu District, Chongqing Patentee after: Chongqing Shengruxin Technology Development Co.,Ltd. Address before: Room 303, 3 stairs, block 10, cuipingyuan, 290 zhongpingcha Road, Panyu District, Guangzhou City, Guangdong Province, 511400 Patentee before: Xu Lulu |