CN117681132A - Self-centering clamp for pipe sealing equipment - Google Patents
Self-centering clamp for pipe sealing equipment Download PDFInfo
- Publication number
- CN117681132A CN117681132A CN202311718449.7A CN202311718449A CN117681132A CN 117681132 A CN117681132 A CN 117681132A CN 202311718449 A CN202311718449 A CN 202311718449A CN 117681132 A CN117681132 A CN 117681132A
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- pipe
- self
- clamping
- centering
- supporting plate
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- 238000007789 sealing Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000013519 translation Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a self-centering clamp for pipe sealing equipment, which comprises a driving mechanism and a supporting plate, wherein the driving mechanism is slidably arranged on a machine seat of a machine tool assembly through the supporting plate, two clamp mounting plates are longitudinally arranged on the supporting plate in parallel, a transmission mechanism is movably arranged between the two clamp mounting plates, and the driving mechanism is connected with a clamping mechanism for self-centering clamping of a pipe through the transmission mechanism. According to the invention, when the diameters of the pipes are different and the specifications are different, the plurality of rubber clamping blocks can be driven by the power arm and the driven arm to realize circumferential self-centering clamping of the pipes, and the pressing force of the rubber clamping blocks on the pipes is realized by adjusting the pressure of the power arm, so that roundness correction of the pipes is realized, the clamps do not need to be frequently replaced to adapt to the pipes with different specifications, the pipes cannot be effectively clamped due to the fluctuation of the outer diameter of the pipes, manual alignment is not needed, and the degree of automation and the working efficiency are greatly improved.
Description
Technical Field
The invention belongs to the technical field of pipe machining, and particularly relates to a self-centering clamp for pipe sealing equipment.
Background
The clamp of the pipe sealing equipment in the prior art is simple in structure, basically, two semicircular clamping blocks which are opened and closed up and down are used for clamping and fixing a pipe, when the pipe sealing equipment is fixed, one semicircular clamping block is fixed, the other semicircular clamping block moves up and down to realize the opening and closing of a clamping opening, the clamp structure has certain range requirements on the outer diameter of the pipe, if the outer diameter of the pipe is overlarge, the outer wall of the pipe can be bitten when the clamp clamps, the clamp cannot be effectively closed, and only part of the outer wall of the pipe can be clamped due to the overlarge clamping opening, and the pipe cannot be stably clamped; if the outer diameter of the pipe is too small, when the clamp is clamped, too large gap exists between the closed clamp and the pipe due to too large clamping opening, so that an effective clamping force cannot be formed on the pipe, the pipe cannot be held tightly, and the pipe and the two semicircular clamping blocks can slide relatively in production and cannot be processed. The clamp can only fix a pipe with one specification, the clamp with corresponding size is required to be replaced when the diameters of the pipes are different, frequent replacement can be generated in use, the working efficiency is low, in addition, the clamp does not have a self-centering function, manual alignment is required, the alignment precision can directly influence the processing quality of the pipe, especially, the pipe with irregular roundness is aligned, the technical requirement on operators is high, and the operation is complex.
Disclosure of Invention
The invention provides a self-centering clamp for pipe car sealing equipment, which is used for solving the problem.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a from centering anchor clamps for tubular product seals car equipment, includes actuating mechanism and layer board, actuating mechanism passes through layer board slidable mounting on the frame of lathe subassembly, vertically is equipped with two anchor clamps mounting panels in parallel on the layer board, and movable mounting has drive mechanism between two anchor clamps mounting panels, and actuating mechanism is connected with the fixture that is used for tubular product self-centering to press from both sides tightly through drive mechanism.
Further, the driving mechanism comprises two driving oil cylinders, the cylinder bodies of the two driving oil cylinders are hinged to two sides of the supporting plate through oil cylinder bases, and piston rods of the two driving oil cylinders are connected with the transmission mechanism through Y-shaped connectors.
Further, the transmission mechanism comprises two power arms and a plurality of driven arms, the head ends of the two power arms and the plurality of driven arms are movably mounted between the two fixture mounting plates through swing pin shafts, the head ends of the two power arms are movably connected with a piston rod of the driving oil cylinder through Y-shaped connectors, the power arms are movably connected with the head ends of the driven arms and the head ends of the driven arms through two connecting rods and the transmission pin shafts, and the tail ends of the power arms and the driven arms are connected with the clamping mechanism.
Further, the clamping mechanism comprises a plurality of rubber clamping blocks, the plurality of rubber clamping blocks are fixedly arranged on a clamping block mounting seat and are circumferentially arranged by taking the rotation axis of the machine tool assembly as the center, and the clamping block mounting seat is movably connected with the tail end of the power arm or the driven arm through a clamping block swing shaft.
Further, the inner wall of the rubber clamping block is of an arc-shaped structure, a plurality of rubber clamping blocks with the inner wall of the arc-shaped structure clamp the pipe in the self-centering circumferential direction, and an elastic clamping assembly is arranged between the clamping block mounting seat and the power arm as well as between the clamping block mounting seat and the driven arm.
Further, the elastic clamping assembly comprises a hanging ring and a screw, wherein the hanging ring and the screw are connected through a spring, the hanging ring is fixedly arranged on the clamping block mounting seat, and the screw is fixedly arranged at the tail ends of the power arm and the driven arm.
Further, a translation mechanism is arranged between the supporting plate and the machine base, the translation mechanism comprises a feeding oil cylinder and a feeding support, a cylinder body of the feeding oil cylinder is fixedly connected with the machine base through the feeding support, and a piston rod of the feeding oil cylinder is fixedly connected with the supporting plate through a connecting block.
Further, the machine base and the supporting plate are both provided with a pipe supporting mechanism, the pipe supporting mechanism comprises two supporting roller seats, one supporting roller seat is fixedly arranged on the supporting plate, the other supporting roller seat is slidably arranged on the machine base, and each supporting roller is rotatably arranged on each supporting roller.
Further, an operation hole for the pipe to pass through is formed in the clamp mounting plate, and the supporting plate is slidably mounted on the base through the limiting sliding block.
Compared with the prior art, the invention adopts the structure, and the technical progress is that:
when the diameters of the pipes are different and the specifications are different, the plurality of rubber clamping blocks can be driven by the power arm and the driven arm to realize circumferential self-centering clamping of the pipes, the self-centering and self-centering are carried out in the clamping process of the pipes, the concentricity of the pipe clamped by the clamp and the axis of the machine tool assembly is ensured, the pressing force of the rubber clamping blocks on the pipe is realized by adjusting the pressure of the power arm, the roundness correction of the pipe is realized, the clamp is not required to be frequently replaced to adapt to the pipes with different specifications, the problem that the pipe cannot be effectively clamped due to the fluctuation of the outer diameter of the pipe is also solved, the damage to the pipe is not caused when the automatic centering, the effective clamping and the roundness correction of the pipe are ensured, the manual centering is not required, and the automation degree and the working efficiency are greatly improved.
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 the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a perspective view of the connection of the self-centering fixture and the feeder device in an embodiment of the present invention;
FIG. 3 is a schematic view of the connection of the self-centering fixture and the feeding device in an embodiment of the present invention;
FIG. 4 is a perspective view of a self-centering fixture in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic structural view of a self-centering fixture according to an embodiment of the present invention.
Marking parts: the device comprises a 01-lathe component, a 02-self-centering clamp, a 20-clamp mounting plate, a 21-oil cylinder seat, a 22-driving oil cylinder, a 221-Y-shaped connector, a 23-power arm, a 24-connecting rod, a 25-driven arm, a 26-transmission pin, a 27-swing pin, a 28-supporting plate, a 29-clamp block swing shaft, a 03-pipe, a 30-screw, a 31-spring, a 32-hanging ring, a 33-clamp block mounting seat, a 34-rubber clamp block, a 04-supporting mechanism, a 41-supporting roller, a 42-supporting roller seat, a 05-translation mechanism, a 51-feeding oil cylinder, a 52-feeding support, a 53-connecting block, a 06-seat and a 61-limiting slide block.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are presented for purposes of illustration and explanation only and are not intended to limit the present invention.
The invention discloses a self-centering clamp for pipe sealing equipment, which is shown in fig. 1 and comprises a driving mechanism and a supporting plate 28, wherein the driving mechanism is slidably arranged on a machine base 06 of a machine tool assembly 01 through the supporting plate 28, two clamp mounting plates 20 are longitudinally arranged on the supporting plate 28 in parallel, a transmission mechanism is movably arranged between the two clamp mounting plates 20, and the driving mechanism is connected with a clamping mechanism for self-centering clamping of a pipe 03 through the transmission mechanism. The fixture mounting plate 20 is provided with an operation hole for the pipe 03 to pass through, and the supporting plate 28 is slidably mounted on the stand 06 through the limit sliding block 61. The whole fixture structure is installed on the car sealing equipment through the supporting plate 28, so that the operation is simple, and the disassembly is convenient.
As a specific embodiment of the present invention, as shown in fig. 3, a translation mechanism 05 is disposed between the supporting plate 28 and the stand 06, the translation mechanism 05 includes a feeding cylinder 51 and a feeding support 52, a cylinder body of the feeding cylinder 51 is fixedly connected with the stand 06 through the feeding support 52, and a piston rod of the feeding cylinder 51 is fixedly connected with the supporting plate 28 through a connecting block 53. The feeding cylinder 51 acts to realize the movement of the self-centering clamp 02 and the clamped pipe 03 along the axial direction of the machine tool assembly 01.
As a specific embodiment of the present invention, as shown in fig. 2, a pipe 03 supporting mechanism 04 is disposed on each of the base 06 and the supporting plate 28, and specifically, the pipe 03 supporting mechanism 04 includes two roller holders 42, one roller holder 42 is fixedly disposed on the supporting plate 28, the other roller holder 42 is slidably mounted on the base 06, and each roller 41 is rotatably mounted on each roller 41. The pipe 03 is sent into the center position in the self-centering clamp 02, and when the carrier roller 41 can guarantee that the pipe 03 moves along the axis, the carrier roller can support the pipe 03, damage caused by scratching of the pipe 03 in the moving process is avoided, the carrier roller seat 42 arranged on the machine base 06 in a sliding manner can change the position according to the length of the pipe 03, and the carrier roller is suitable for the requirements of supporting the pipe 03 with different lengths.
As a specific embodiment of the present invention, as shown in fig. 4, the driving mechanism includes two driving cylinders 22, the cylinders of the two driving cylinders 22 are hinged to two sides of the supporting plate 28 through the cylinder base 21, and the piston rods of the two driving cylinders 22 are connected to the transmission mechanism through Y-shaped connectors 221. The cylinder body of the driving oil cylinder 22 is hinged with the oil cylinder seat 21 through a hinge assembly, and the piston rod of the driving oil cylinder 22 is hinged with the head end of the power arm 23 through a Y-shaped joint 221 and a transmission pin shaft 26. As shown in fig. 5, the transmission mechanism includes two power arms 23 and four driven arms 25, the head ends of the two power arms 23 and the four driven arms 25 are movably mounted between the two fixture mounting plates 20 through swing pins 27, the head ends of the two power arms 23 are movably connected with the piston rod of the driving cylinder 22 through Y-shaped connectors 221, and the tail ends of the power arms 23 and the driven arms 25 are movably connected with the clamping mechanism through two connecting rods 24 and transmission pins 26.
The six force arms for driving and clamping are effectively connected through the connecting rod 24, a force driving relation chain is established, 4 driven arms 25 are driven under the action of the connecting rod 24 through two groups of power arms 23, 6 rubber clamping blocks 34 uniformly distributed are driven to clamp the pipe 03, the pipe 03 is clamped through a closed driving transmission chain, the 6 rubber clamping blocks 34 are utilized to clamp the pipe 03, the whole clamp is kept to clamp the pipe 03 in the movement process, and the center of the pipe 03 and the center of equipment are kept coaxial. Specifically, the two driving oil cylinders 22 serve as power output parts of the clamp, power is provided for clamping the pipe 03 by the rubber clamping blocks 34, the piston rods of the driving oil cylinders 22 perform telescopic actions, so that each power arm 23 and each driven arm 25 swing along the swing pin shaft 27, the six rubber clamping blocks 34 are folded or separated from each other from six directions by taking the rotation axis of the machine tool assembly 01 as the center, the clamping ports are reduced and enlarged, the pipe 03 is clamped and released, and of course, the number of the rubber clamping blocks 34 can be more, and when the pipe 03 is clamped, the stress of the pipe 03 is more uniform.
The design of the triangular connection relation of the driving arm, the driven arm 25 and the rubber clamping blocks 34 can ensure effective transmission between the driving chain and the two driven chains, and simultaneously ensure the position unification and the action unification of the clamp through the connecting rod 24, thereby ensuring that the six rubber clamping blocks 34 are coincident with the axle center and are completely coaxial with the rotation axis of the machine tool assembly 01.
As a specific embodiment of the present invention, as shown in fig. 6, the clamping mechanism includes six rubber clamping blocks 34, where the six rubber clamping blocks 34 are fixedly arranged on a clamping block mounting seat 33, and are circumferentially arranged with the rotation axis of the machine tool assembly 01 as the center, and the clamping block mounting seat 33 is movably connected with the tail end of the power arm 23 or the driven arm 25 through a clamping block swing shaft 29.
The six rubber clamping blocks 34 are uniformly circumferentially arranged by taking the rotation axis of the machine tool assembly 01 as the center, in the process of clamping the pipe 03, the pipe 03 can be simultaneously and inwards clamped through the six rubber clamping blocks 34, the center of a clamping opening is coaxial with the rotation axis of the machine tool assembly 01, when the pipe 03 is clamped, the six rubber clamping blocks 34 can jointly move towards the center of a circle, the workpiece is taken to move to the position coaxial with lathe equipment together, self-centering clamping can be achieved without manual alignment, the six rubber clamping blocks 34 can clamp the pipe 03 close to from six different angles, the clamping block mounting seat 33 is hinged with the tail end of the power arm 23 and the tail end of the driven arm 25, the pipe 03 can swing within a certain range without being influenced by the diameter of the pipe 03, the pipe 03 with different diameters can be clamped without frequent replacement of the clamp, the rubber clamping blocks 34 have a certain elasticity, the influence of diameter change of the pipe 03 can be ignored, and the inner wall of the rubber clamping blocks 34 can be always contacted with the outer wall of the pipe 03, so that the clamping force is uniform.
As a specific embodiment of the present invention, as shown in fig. 6, the inner walls of the rubber clamping blocks 34 are arc-shaped, six rubber clamping blocks 34 with arc-shaped inner walls form self-centering circumferential clamping on the pipe 03, and an elastic clamping assembly is arranged between the clamping block mounting seat 33 and the power arm 23 and the driven arm 25. The elastic clamping assembly comprises a hanging ring 32 and a screw 30 which are connected through a spring 31, the hanging ring 32 is fixedly arranged on a clamping block mounting seat 33, and the screw 30 is fixedly arranged at the tail ends of the power arm 23 and the driven arm 25.
The rubber clamping blocks 34 are arc-shaped structures, so that the clamping area of the pipe 03 can be increased in the clamping process, the uniformity of the pipe 03 in the hand is ensured, and effective clamping is realized. Through setting up elastic component, when articulated between the tail end of rubber clamp splice 34 and power arm 23 or driven arm 25 under the pulling force effect of spring 31, there is certain tensioning force all the time, can guarantee that rubber clamp splice 34 and tubular product 03 realize elastic contact and effective centre gripping, avoid producing not hard up or relative displacement between rubber clamp splice 34 and the tubular product 03, guarantee the centre gripping effect.
The power arm 23 is driven to act through the telescopic action of the driving oil cylinder 22, the power arm 23 drives the driven arm 25 to act through the connecting rod 24, the six rubber clamping blocks 34 are ensured to synchronously move towards the center in the movement process, the distances between the six rubber clamping blocks and the center shaft are consistent, the acting force is balanced, and the effective clamping and roundness correction of the pipe 03 are realized.
In summary, according to the self-centering clamp 02 provided by the invention, when the diameters of the pipes 03 are different and the specifications are different, six rubber clamping blocks 34 can be driven by the power arm 23 and the driven arm 25 to realize circumferential self-centering clamping of the pipes 03, self-centering and self-centering are performed in the process of clamping the pipes 03, concentricity of the pipe 03 clamped by the clamp and the axis of the machine tool assembly 01 is ensured, the pressing force of the rubber clamping blocks 34 on the pipe 03 is realized by adjusting the pressure of the power arm 23, roundness correction of the pipe 03 is realized, frequent replacement of the clamp is not needed to adapt to the pipes 03 with different specifications, and there is no fear that effective clamping cannot be performed due to size fluctuation of the outer diameter of the pipe 03, damage to the pipe 03 is not caused while automatic centering, effective clamping and roundness correction are ensured, manual centering is not required, and the degree of automation and the working efficiency are greatly improved.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A from centering anchor clamps for tubular product car equipment of sealing, its characterized in that: the pipe self-centering clamping device comprises a driving mechanism and a supporting plate, wherein the driving mechanism is slidably arranged on a machine base of a machine tool assembly through the supporting plate, two clamp mounting plates are longitudinally arranged on the supporting plate in parallel, a transmission mechanism is movably arranged between the two clamp mounting plates, and the driving mechanism is connected with a clamping mechanism for self-centering clamping of a pipe through the transmission mechanism.
2. The self-centering fixture for a pipe car sealing device according to claim 1, wherein: the driving mechanism comprises two driving oil cylinders, the cylinder bodies of the two driving oil cylinders are hinged to two sides of the supporting plate through oil cylinder bases, and piston rods of the two driving oil cylinders are connected with the transmission mechanism through Y-shaped connectors.
3. A self-centering clamp for a pipe-in-machine apparatus as claimed in claim 2, wherein: the driving mechanism comprises two power arms and a plurality of driven arms, the head ends of the two power arms and the driven arms are movably mounted between the two fixture mounting plates through swing pin shafts, the head ends of the two power arms are movably connected with a piston rod of the driving oil cylinder through Y-shaped connectors, the power arms are movably connected with the head ends of the driven arms and the head ends of the driven arms through two connecting rods and the driving pin shafts, and the tail ends of the power arms and the driven arms are connected with the clamping mechanism.
4. A self-centering clamp for a pipe-in-machine apparatus as claimed in claim 3, wherein: the clamping mechanism comprises a plurality of rubber clamping blocks, the plurality of rubber clamping blocks are fixedly arranged on a clamping block mounting seat and are circumferentially arranged by taking the rotation axis of the machine tool assembly as the center, and the clamping block mounting seat is movably connected with the tail end of the power arm or the driven arm through a clamping block swing shaft.
5. The self-centering fixture for a pipe car sealer according to claim 4, wherein: the inner wall of the rubber clamping block is of an arc-shaped structure, a plurality of rubber clamping blocks with the inner wall of the arc-shaped structure form self-centering circumferential clamping on the pipe, and an elastic clamping assembly is arranged between the clamping block mounting seat and the power arm and between the clamping block mounting seat and the driven arm.
6. The self-centering fixture for a pipe car sealer according to claim 5, wherein: the elastic clamping assembly comprises a lifting ring and a screw, wherein the lifting ring and the screw are connected through a spring, the lifting ring is fixedly arranged on the clamping block mounting seat, and the screw is fixedly arranged at the tail ends of the power arm and the driven arm.
7. The self-centering fixture for a pipe car sealing device according to claim 1, wherein: the device is characterized in that a translation mechanism is arranged between the supporting plate and the machine base and comprises a feeding oil cylinder and a feeding support, a cylinder body of the feeding oil cylinder is fixedly connected with the machine base through the feeding support, and a piston rod of the feeding oil cylinder is fixedly connected with the supporting plate through a connecting block.
8. The self-centering fixture for a pipe car sealing device according to claim 1, wherein: and the machine seat and the supporting plate are both provided with a pipe supporting mechanism, the pipe supporting mechanism comprises two supporting roller seats, one supporting roller seat is fixedly arranged on the supporting plate, the other supporting roller seat is slidably arranged on the machine seat, and each supporting roller is rotatably provided with a supporting roller.
9. The self-centering fixture for a pipe car sealing device according to claim 1, wherein: the clamp mounting plate is provided with an operation hole for the pipe to pass through, and the supporting plate is slidably mounted on the base through the limiting slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311718449.7A CN117681132A (en) | 2023-12-14 | 2023-12-14 | Self-centering clamp for pipe sealing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311718449.7A CN117681132A (en) | 2023-12-14 | 2023-12-14 | Self-centering clamp for pipe sealing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117681132A true CN117681132A (en) | 2024-03-12 |
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ID=90136693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311718449.7A Pending CN117681132A (en) | 2023-12-14 | 2023-12-14 | Self-centering clamp for pipe sealing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117681132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117984373A (en) * | 2024-04-07 | 2024-05-07 | 国网山东省电力公司诸城市供电公司 | Spool cutting device that power supply unit used |
-
2023
- 2023-12-14 CN CN202311718449.7A patent/CN117681132A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117984373A (en) * | 2024-04-07 | 2024-05-07 | 国网山东省电力公司诸城市供电公司 | Spool cutting device that power supply unit used |
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