CN117182816B - Automatic centering and clamping device for spindle roller - Google Patents
Automatic centering and clamping device for spindle roller Download PDFInfo
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- CN117182816B CN117182816B CN202311474715.6A CN202311474715A CN117182816B CN 117182816 B CN117182816 B CN 117182816B CN 202311474715 A CN202311474715 A CN 202311474715A CN 117182816 B CN117182816 B CN 117182816B
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 21
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- 230000009471 action Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses an automatic centering and clamping device for a spindle roller, and belongs to the technical field of workpiece clamping devices. The clamping device mainly comprises a mounting frame, a clamping arm I, a clamping arm II, a clamping head assembly I and a clamping head assembly II, wherein the clamping arm I and the clamping arm II are rotationally connected to the mounting frame, the clamping head assembly I and the clamping head assembly II are respectively arranged on the clamping arm I and the clamping arm II, the clamping head assembly I comprises a conical disc I, a guide pipe I and a displacement sensor, the guide pipe I penetrates through the axial center of the conical disc I, the displacement sensor is arranged on the guide pipe I, the clamping head assembly II comprises a conical disc II, the guide pipe I can penetrate through the conical disc I to stretch into an inner hole of a workpiece and drive the displacement sensor to enter the inner hole of the workpiece, and the displacement sensor can detect inner hole parameters of the workpiece. The invention discloses an automatic centering and clamping device for a main shaft roller, which can solve the problem that the inner hole parameters of the main shaft roller cannot be detected in the prior art.
Description
Technical Field
The invention relates to the technical field of workpiece clamping devices, in particular to an automatic centering and clamping device for a spindle roller.
Background
In the processing process of the spindle, the processing of the spindle roller is one of very important links, and the quality of the spindle roller is related to the result of a final finished product, so that the detection of the product is an indispensable ring. With the rapid growth of the market, the improvement of productivity is not only dependent on the effort of more and more skilled workers, but also requires more special equipment for supporting.
The existing clamping device is propped against the orifices at the two ends of the main shaft roller respectively through two opposite centers so as to drive the main shaft roller to rotate, and the data of the main shaft roller are detected, but the inner hole of the main shaft roller is blocked, and the inner hole parameters of the main shaft roller cannot be detected.
Therefore, there is a need to provide a new automatic centering and clamping device for spindle drums.
Disclosure of Invention
Based on the above-mentioned problems existing in the prior art, an object of the present invention is to provide an automatic centering and clamping device for a spindle roller, which can solve the problem that the inner hole parameters of the spindle roller cannot be detected in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an automatic centering and clamping device for main shaft roller, its characterized in that: comprises a mounting frame, a first clamping arm, a second clamping arm, a first clamping head component and a second clamping head component, wherein the first clamping arm and the second clamping arm are rotationally connected to the mounting frame, the first clamping head component and the second clamping head component are respectively arranged on the first clamping arm and the second clamping arm, the first clamping head component comprises a first conical disc, a first guide pipe and a displacement sensor, the first guide pipe penetrates through the axis position of the first conical disc, the displacement sensor is arranged on the first guide pipe, the second clamping head component comprises a second conical disc, when the first clamping arm and the second clamping arm rotate to the position that the first clamping arm component and the second clamping arm are close to each other, the first conical disc and the second conical disc can be driven to respectively abut against the orifices at two opposite ends of a workpiece, so that the first conical surface of the first conical disc and the second conical disc are in abutting contact with the orifices at two opposite ends of the workpiece to form centering clamping to the workpiece, the first guide pipe can penetrate through the first conical disc and extend into the inner holes of the workpiece, the displacement sensor is driven to enter an inner hole of a workpiece, so that the displacement sensor can detect an inner hole parameter of the workpiece, the first conical disk is rotatably matched with the first clamping arm around the axial lead of the first conical disk, the second conical disk is rotatably matched with the second clamping arm around the axial lead of the second conical disk, the first chuck component further comprises a first mounting seat, the first mounting seat is arranged on the first clamping arm, one end of the first conical disk, which is close to the first mounting seat, is provided with a first shaft body, the first shaft body is inserted and rotatably matched into an inner cavity of the first mounting seat, the second chuck component further comprises a second mounting seat, one end of the second conical disk, which is close to the second mounting seat, is provided with a second shaft body, which is inserted and rotatably matched into the inner cavity of the second mounting seat, the first guide pipe is axially and slidably matched with the first mounting seat along the first guide pipe, the clamping head assembly II comprises a guide pipe II, a collet chuck, a piston and an elastic piece II, wherein the guide pipe II is in sliding fit with the mounting seat II along the axial direction of the guide pipe II, the guide pipe II is penetrated in the axial center position of the conical disk II, the collet chuck is accommodated in the guide pipe II and is close to one end of the conical disk I, when the collet chuck is pushed towards one end close to the conical disk I, the collet chuck is extruded and deformed to be folded, when the collet chuck moves towards one end far from the conical disk I, the collet chuck is opened under the action of elastic restoring force, the elastic piece II is used for applying elastic force to enable the collet chuck to move towards one end far from the conical disk I, the piston is mounted on the collet chuck and is in sliding abutting contact with the inner peripheral wall of the guide pipe II, the piston divides the inner cavity of the guide pipe II into a first cavity close to one side of the collet chuck and a second cavity far from one side of the collet chuck, the first chamber is not communicated with the second chamber, the first chamber is communicated with external air, the second chamber is communicated with a closed cavity in a workpiece, one end of an air pipe is communicated with the second chamber through a collet, the other end of the air pipe is connected with a negative pressure generator, a linear module is arranged on the second clamping arm and is connected with a guide pipe II so as to drive the guide pipe II to do linear reciprocating motion along the axial direction through the linear module, a through hole I is arranged at the axis of the first conical disk, a sliding sleeve I is arranged on the first mounting seat corresponding to the guide pipe I, the guide pipe I is in sliding connection with the sliding sleeve I, the guide pipe I can penetrate the first conical disk II from the through hole I of the first conical disk, a through hole II is arranged at the axis of the second conical disk, a sliding sleeve II is arranged on the second mounting seat corresponding to the guide pipe II, the guide pipe II is in sliding connection with the sliding sleeve II, the guide tube II can be worn to the first conical disk by the through-hole II of the second conical disk, the one end that the guide tube I is close to the second conical disk is sealed, the inside of the guide tube I has a first lumen, the first lumen communicates with outside air, the slide hole has been seted up on the week lateral wall of the guide tube I, displacement sensor slidable mounting is in the slide hole, displacement sensor with be provided with the elastic component I between the guide tube I, the elastic component I is used for exerting elasticity and makes displacement sensor retract to the slide hole, the drill way inboard that the guide tube II is close to the collet chuck is protruding to be equipped with the flange, be equipped with the extrusion inclined plane on the lateral wall that the collet chuck is close to the flange.
Further, a first sealing element is arranged in the first through hole of the first conical disk and is in sealing abutting connection with the outer peripheral wall of the first guide pipe, a second sealing element is arranged in the second through hole of the second conical disk and is in sealing abutting connection with the outer peripheral wall of the second guide pipe.
Further, the clamp arm I is close to the position in the middle and is equipped with rotation portion I, the clamp arm II is close to the position in the middle and is equipped with rotation portion II, clamp arm I passes through rotation portion I and mounting bracket normal running fit, clamp arm II passes through rotation portion II and mounting bracket normal running fit, automatic centering and clamping device for main shaft roller still includes the carousel, carousel normal running fit is on the mounting bracket and is located between clamp arm I and the clamp arm II, the one end of clamp arm I articulates there is connecting rod I, the other end of connecting rod I articulates the cooperation with the position of deviating from carousel rotation axle center on the carousel, the one end of clamp arm II articulates there is connecting rod II, the other end of connecting rod II articulates the cooperation with the position of deviating from carousel rotation axle center on the carousel, clamp head subassembly I sets up the one end of keeping away from connecting rod I on the clamp arm I, clamp head subassembly II sets up the one end of keeping away from connecting rod II on the clamp arm II.
Further, the automatic centering and clamping device for the spindle roller further comprises a rotary driving structure, the rotary driving structure comprises a driving wheel and a driven wheel, the driving wheel is in rotary fit on the second clamping arm, the driven wheel is coaxially arranged on the second conical disc, the driving wheel is in transmission connection with the driven wheel, the rotary driving structure further comprises a driving device arranged on the second clamping arm or the mounting frame, and the output end of the driving device is connected with the driving wheel.
Further, when the two end openings of the conical surface I of the conical disc I and the conical surface II of the conical disc II, which are opposite to the workpiece, are propped in place, the conical surface I and the conical surface II are in a collinear state.
The beneficial effects of the invention are as follows: the invention provides an automatic centering and clamping device for a spindle roller, which comprises a mounting frame, a clamping arm I, a clamping arm II, a clamping head assembly I and a clamping head assembly II, wherein the clamping arm I and the clamping arm II are connected to the mounting frame in a rotating way, the clamping head assembly I and the clamping head assembly II are respectively arranged on the clamping arm I and the clamping arm II, the clamping head assembly I comprises a conical disc I, a guide pipe I and a displacement sensor, the guide pipe I penetrates through the axis position of the conical disc I, the displacement sensor is arranged on the guide pipe I, the clamping head assembly II comprises a conical disc II, when the clamping arm I and the clamping arm II are rotated to the positions, close to each other, of the clamping head assembly I and the clamping head assembly II, the conical disc I and the conical disc II can be driven to be respectively abutted against ports at two opposite ends of a workpiece, the conical surface I of the conical disc II and the two opposite ends of the workpiece are in abutting contact, the workpiece can be clamped in a centering way, the guide pipe I can penetrate through the conical disc I and extend into an inner hole of the workpiece, the displacement sensor is driven to enter the inner hole of the workpiece, and the displacement sensor can detect parameters of the workpiece, and the workpiece can be clamped by the displacement sensor.
Drawings
The invention is further described below with reference to the drawings and examples.
In the figure: fig. 1 is a schematic perspective view of an automatic centering and clamping device for a spindle roller according to an embodiment of the present invention, wherein the automatic centering and clamping device for the spindle roller is shown in a released state.
Fig. 2 is a cross-sectional view of the automatic centering and clamping device for the spindle drum shown in fig. 1.
Fig. 3 is a schematic perspective view of a first chuck assembly according to an embodiment of the invention.
Fig. 4 is an exploded view of a first chuck assembly according to an embodiment of the present invention.
Fig. 5 is a longitudinal cross-sectional view of a first chuck assembly according to an embodiment of the invention.
Fig. 6 is an enlarged schematic view of the area a in fig. 5.
Fig. 7 is a schematic perspective view of a chuck assembly ii according to an embodiment of the present invention.
Fig. 8 is an exploded view of a second chuck assembly according to an embodiment of the present invention.
Fig. 9 is a longitudinal sectional view of a second chuck assembly according to an embodiment of the present invention.
Fig. 10 is an enlarged schematic view of region B in fig. 9.
Fig. 11 is a schematic view showing the state of the automatic centering and clamping device for the spindle drum shown in fig. 2 in a clamped state.
Fig. 12 is an enlarged schematic view of region C in fig. 11.
Wherein, each reference sign in the figure: 100. a mounting frame; 200. a workpiece; 201. closing the cavity; 1. a clamping arm I; 11. a first rotating part; 12. a first connecting rod; 2. a second clamping arm; 21. a second rotating part; 22. a second connecting rod; 3. a turntable; 31. positioning holes; 4. a first chuck assembly; 41. a first conical disc; 411. a conical surface I; 412. a first shaft body; 413. a first through hole; 414. a first sealing element; 42. a first mounting seat; 421. a first sliding sleeve; 43. guiding a first pipe; 431. a first lumen; 432. a clamping protrusion; 433. a slide hole; 44. a displacement sensor; 45. an elastic piece I; 5. a second chuck assembly; 51. a cone disc II; 511. a conical surface II; 512. a second shaft body; 513. a second through hole; 514. a second sealing element; 52. a second mounting seat; 521. a second sliding sleeve; 53. a second guide pipe; 531. a first chamber; 532. a second chamber; 533. a flange; 54. a collet; 541. extruding the inclined plane; 55. a piston; 56. an elastic piece II; 57. an air pipe; 6. a swing driving structure; 61. a driving wheel; 62. driven wheel; 7. a linear module.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "connected to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Referring to fig. 1 to 12, an automatic centering and clamping device for a spindle roller provided by the present invention is described, the automatic centering and clamping device for a spindle roller comprises a mounting frame 100, a first clamping arm 1, a second clamping arm 2, a first clamping head assembly 4 and a second clamping head assembly 5, wherein the first clamping arm 1 and the second clamping arm 2 are rotatably connected to the mounting frame 100, the first clamping head assembly 4 and the second clamping head assembly 5 are respectively arranged on the first clamping arm 1 and the second clamping arm 2, the first clamping head assembly 4 comprises a first conical disc 41, a guiding tube 43 and a displacement sensor 44, the guiding tube 43 is arranged on the guiding tube 43 in a penetrating manner, the second clamping head assembly 5 comprises a second conical disc 51, when the first clamping arm 1 and the second clamping arm 2 are rotated to the position where the first clamping head assembly 4 and the second clamping head assembly 5 are close to each other, the first conical disc 41 and the second conical disc 51 can be driven to abut against opposite two ends of a workpiece 200, the first conical disc 41 and the second conical disc 51 can be driven to abut against opposite ends of the workpiece 200, the first conical disc 41 and the second conical disc 51 and the second conical disc 41 can be driven to contact the inner hole 200, and the displacement sensor 44 can be driven to the workpiece to enter the inner hole 200, and the first conical disc 41 and the workpiece can be driven into the inner hole and the inner hole 200. Therefore, the automatic centering and clamping device for the spindle roller provided by the embodiment of the invention can clamp the roller centering and simultaneously extend the displacement sensor 44 into the inner hole of the workpiece 200 so as to detect the inner hole parameters of the workpiece 200.
The automatic centering and clamping device for the main shaft roller can automatically clamp the workpieces 200 with the cylinder structure in a centering manner, the positions of the orifices of the two end faces of the two pairs of the workpieces 200 are collinear and parallel, and the automatic centering and clamping device for the main shaft roller can enable the axial lead of the workpieces 200 to be positioned at the appointed position of the automatic centering and clamping device for the main shaft roller when the workpieces 200 are clamped each time.
As shown in fig. 11, in some embodiments, when the first conical surface 411 of the first conical disk 41 and the second conical surface 511 of the second conical disk 51 are abutted against the opposite end openings of the workpiece 200, the first conical surface 411 and the second conical surface 511 are in a collinear state, so that the axis of the workpiece 200 is collinear with the axis of the first conical disk 41 and the axis of the second conical disk 51 due to the fact that the openings of the workpiece 200 are in contact with the same outer diameter positions of the first conical surface 411 or the second conical surface 511, and the axial displacement of the workpiece 200 is limited due to the fact that the first conical surface 41 and the second conical surface 51 are respectively blocked at the opposite ends of the workpiece 200, when the openings of the first conical surface 411 and the second conical surface 511 of the first conical disk 41 are abutted against the opposite end openings of the workpiece 200, the first conical surface 411 and the second conical surface 511 are collinear, and the workpiece 200 can be accurately clamped in an automatic centering manner.
In order to facilitate the inspection of the workpiece 200 in the inspection process after the workpiece 200 is clamped, for example: in some embodiments, as shown in fig. 2, the first conical disc 41 is rotatably fitted on the first clamping arm 1 around the axis of the first conical disc 41, and the second conical disc 51 is rotatably fitted on the second clamping arm 2 around the axis of the second conical disc 51, so that the first conical disc 41 and the second conical disc 51 can drive the workpiece 200 to rotate around the axis through the rotation of the first conical disc 41 and the second conical disc 51 when clamping the workpiece 200, so as to detect the workpiece 200. For example: when the workpiece 200 is driven to rotate relative to the displacement sensor 44, the displacement sensor 44 can measure the inner diameter or roundness of a cross section position of the inner hole of the workpiece 200, and when the displacement sensor 44 is matched with the axial movement of the workpiece 200, the displacement sensor 44 can measure each position of the inner hole of the workpiece 200.
As shown in fig. 3, 4 and 5, in some embodiments, the first chuck assembly 4 further includes a first mounting seat 42, the first mounting seat 42 is mounted on the first clamping arm 1, one end of the first conical disc 41 adjacent to the first mounting seat 42 is provided with a first shaft body 412, the first shaft body 412 is inserted into and rotationally matched with the inner cavity of the first mounting seat 42, so that the first conical disc 41 is rotationally matched with the first clamping arm 1 around the axial lead of the first conical disc 41, as shown in fig. 7, 8 and 9, the second chuck assembly 5 further includes a second mounting seat 52, one end of the second conical disc 51 adjacent to the second mounting seat 52 is provided with a second shaft body 512, and the second shaft body 512 is inserted into and rotationally matched with the inner cavity of the second mounting seat 52, so that the second conical disc 51 is rotationally matched with the second clamping arm 2 around the axial lead of the second conical disc 51.
In some embodiments, the automatic centering and clamping device for the spindle roller further comprises a rotary driving structure 6, the rotary driving structure 6 comprises a driving wheel 61 and a driven wheel 62, as shown in fig. 11, the driving wheel 61 is rotatably matched on the second clamping arm 2, the driven wheel 62 is coaxially arranged on the second conical disk 51, the driving wheel 61 and the driven wheel 62 are in transmission connection through a chain, a transmission belt or a gear set, the rotary driving structure 6 further comprises a driving device (not shown) mounted on the second clamping arm 2 or the mounting frame 100, an output end of the driving device is connected with the driving wheel 61 through a coupling, and the coupling can be a rigid coupling or a flexible coupling according to actual needs.
In order to more stably enable the first guide tube 43 to move axially relative to the first conical disk 41 so as to drive the displacement sensor 44 to move axially relative to the workpiece 200, perform multi-directional detection on the inner hole of the workpiece 200, and reduce the influence of shake generated when the first guide tube 43 moves on detection data, in some embodiments, as shown in fig. 5 and 6, the first guide tube 43 is slidably matched with the first mounting seat 42 along the axial direction of the first guide tube 43, one end of the first guide tube 43 near the second conical disk 51 is provided with a clamping protrusion 432, as shown in fig. 9 and 10, the second chuck assembly 5 further comprises a second guide tube 53, a collet 54, a piston 55 and a second elastic member 56, the second guide tube 53 is slidably matched with the second mounting seat 52 along the axial direction of the second guide tube 53, the second guide tube 53 is arranged at the axial center position of the second conical disk 51 in a penetrating manner, the collet 54 is accommodated inside the second guide tube 53 and near one end of the first conical disk 41, when the collet 54 is pushed toward one end of the first cone 41, the collet 54 is squeezed and deformed to be closed, so that the collet 54 can be clamped with the clamping convex 432 when sleeved on the clamping convex 432, when the collet 54 moves toward one end of the first cone 41, the collet 54 is opened under the action of elastic restoring force, so as to release the clamping convex 432, the second elastic member 56 is used for applying elastic force to move the collet 54 toward one end of the first cone 41, the piston 55 is mounted on one end of the collet 54, which is far away from the first cone 41, the piston 55 is in sliding abutting contact with the inner peripheral wall of the second guide tube 53, the piston 55 divides the inner cavity of the second guide tube 53 into a first cavity 531, which is near the collet 54, and a second cavity 532, which is far away from the collet 54, the first cavity 531 is not communicated with the second cavity 532, and when the first cone 41 and the second cone 51 are respectively abutted against the openings at the opposite ends of the workpiece 200, the inner cavity of the workpiece 200 is blocked by the first conical surface 411 and the second conical surface 511 to form a closed cavity 201 separated from the external environment, the second cavity 532 is communicated with the closed cavity 201, one end of the air pipe 57 is communicated with the second cavity 532 through the tail end of the collet 54, the other end of the air pipe 57 is connected with a negative pressure generator (not shown), the second clamping arm 2 is provided with a linear module 7, the linear module 7 is connected with the second guiding pipe 53 so as to drive the second guiding pipe 53 to do linear reciprocating motion along the axial direction through the linear module 7, as shown in fig. 11 and 12, when the first conical disk 41 and the second conical disk 51 respectively prop against the orifices at the two opposite ends of the workpiece 200, and when the workpiece 200 is clamped, the second guiding pipe 53 can be driven by the linear module 7 to drive the collet 54 to be close to the first guiding pipe 43 and sleeved on the clamping boss 432, the first cavity 531 is communicated with external air because the closed cavity 201 inside the workpiece 200 is isolated from external air, then the air pipe 57 can generate negative pressure in the chamber two 532 and the closed cavity 201, so that the air pressure of the chamber two 532 is lower than the air pressure of the chamber one 531, under the action of the pressure difference, the piston 55 is pushed to the low pressure side, namely the piston 55 drives the collet 54 to move towards one end close to the first conical disk 41, so that the collet 54 is extruded and deformed to be folded, the collet 54 is clamped on the clamping boss 432, then the linear module 7 drives the guide pipe two 53 to move, so that the guide pipe one 43 and the displacement sensor 44 are driven to move along the axial direction of the workpiece 200, the inner hole of the workpiece 200 is detected in multiple directions, the power device on the second clamping arm 2 for driving the collet 54 to open and close can be saved due to the pressure difference generated by the conveying air, the simplification of the structure and the weight reduction are promoted, the rotation inertia of the second clamping arm 2 are reduced, the stable swing of the second clamping arm 2 is promoted, more importantly, since only the sliding sleeve I421 arranged at the position close to the mounting seat I42 is used for sliding guiding the guiding tube I43, when the guiding tube I43 moves to be close to the cone disc II 51, one end of the guiding tube I43 close to the cone disc II 51 is far away from the sliding sleeve I421 and is easy to shake, and the guiding tube II 53 is connected with the guiding tube I43 through the collet 54, two ends of the guiding tube II 53 and the guiding tube I43 which are connected can be respectively guided by the sliding sleeve I421 and the sliding sleeve II 521 in a sliding manner, so that one end of the guiding tube I43 close to the cone disc II 51 is not easy to shake due to unbalanced stress caused by being far away from the sliding sleeve I421, and the accuracy of detection data is ensured.
As shown in fig. 5 and 6, in some embodiments, a through hole 413 is formed at the axis of the first conical disk 41, a sliding sleeve 421 is disposed on the first mounting seat 42 corresponding to the first guide pipe 43, the first guide pipe 43 is slidably inserted into the sliding sleeve 421, the first guide pipe 43 can pass through the through hole 413 of the first conical disk 41 to the second conical disk 51, a sealing member 414 is disposed in the through hole 413 of the first conical disk 41, the sealing member 414 is in sealing contact with the peripheral wall of the first guide pipe 43, and airtight leakage of the through hole 413 is blocked by the sealing member 414 so as to completely isolate the closed cavity 201 from the external air, and in addition, a certain supporting effect can be provided for the first guide pipe 43; as shown in fig. 9 and 10, a through hole 513 is formed in the axial center of the second conical disk 51, a sliding sleeve 521 is arranged on the second mounting seat 52 corresponding to the second guide pipe 53, the second guide pipe 53 is slidably inserted into the second sliding sleeve 521, the second guide pipe 53 can penetrate through the through hole 513 of the second conical disk 51 to the first conical disk 41, a sealing member 514 is arranged in the through hole 513 of the second conical disk 51, the sealing member 514 is in sealing contact with the peripheral wall of the second guide pipe 53, and airtight leakage of the through hole 513 is blocked by the sealing member 514 so as to completely isolate the closed cavity 201 from the external air, and in addition, a certain supporting effect can be provided for the second guide pipe 53.
As shown in fig. 10, in some embodiments, the inner side of the hole of the second guide tube 53 near the collet 54 is convexly provided with a flange 533, and the outer side wall of the collet 54 near the flange 533 is provided with a pressing inclined surface 541, so that when the collet 54 is pushed towards the end near the first conical disk 41, the flange 533 presses the pressing inclined surface 541 on the collet 54, thereby applying a pushing force for radial pressing deformation to the collet 54, so as to drive the collet 54 to close, and when the collet 54 moves towards the end far from the first conical disk 41, the pushing force applied by the flange 533 to the pressing inclined surface 541 of the collet 54 disappears, so that the collet 54 is outwards opened under the action of elastic restoring force.
In some of these embodiments, the displacement sensor 44 may be a contact displacement sensor or a non-contact displacement sensor.
When the displacement sensor 44 is a contact displacement sensor as shown in fig. 6, in some embodiments, one end of the guide tube 43 close to the conical disc two 51 is closed, the inside of the guide tube 43 is provided with a tube cavity one 431, the tube cavity one 431 is communicated with the outside air, a sliding hole 433 is formed on the peripheral side wall of the guide tube one 43, the displacement sensor 44 is slidably mounted in the sliding hole 433, so that the displacement sensor 44 can slidably stretch out and draw back through the sliding hole 433, an elastic member one 45 is arranged between the displacement sensor 44 and the guide tube one 43, and the elastic member one 45 is used for exerting elastic force to retract the displacement sensor 44 into the sliding hole 433, as shown in fig. 12, so that when negative pressure is formed in the closed cavity 201, the displacement sensor 44 can resist the elastic force of the elastic member one 45 to move out of the sliding hole 433 under the action of pressure difference, and the contact end of the displacement sensor 44 stretches out of the inner hole side wall of the workpiece 200. It will be appreciated that in other embodiments not shown, the displacement sensor 44 may also be a non-contact displacement sensor, in which case the displacement sensor 44 may be fixedly mounted in the sliding aperture 433 of the guide tube one 43.
As shown in fig. 1, 2 and 11, in some embodiments, a first rotating portion 11 is disposed at a position of the first clamping arm 1 near the middle, a second rotating portion 21 is disposed at a position of the second clamping arm 2 near the middle, the first clamping arm 1 is in rotating fit with the mounting frame 100 through the first rotating portion 11, the second clamping arm 2 is in rotating fit with the mounting frame 100 through the second rotating portion 21, the automatic centering and clamping device for the spindle roller further comprises a turntable 3, the turntable 3 is in rotating fit with the mounting frame 100 and is located between the first clamping arm 1 and the second clamping arm 2, one end of the first clamping arm 1 is hinged with a connecting rod 12, the other end of the connecting rod 12 is hinged with a position of the turntable 3, deviating from the rotating axis of the turntable 3, one end of the second clamping arm 2 is hinged with a connecting rod 22, the other end of the connecting rod 22 is hinged with a position of the turntable 3, deviating from the rotating axis of the turntable 3, a first clamping head component 4 is arranged at one end of the first clamping arm 1, and one end of the second clamping head component 5 is arranged at the second clamping arm 2, which is far from the connecting rod 22, so that when the turntable 3 rotates, the first clamping head component and the second clamping arm 2 and the first clamping arm 2 are driven to rotate together through the connecting rod 12 and the second connecting rod 22, and the second clamping head component 4 can be driven to rotate together when the first clamping head component and the first clamping component and the second clamping component are driven to swing together, and the first rotating component and the clamping component 4 when the first rotating component and the clamping component and the second clamping component are driven together, when the rotating component and the clamping component are driven and the rotating component are driven and rotate together.
As shown in fig. 1, in some embodiments, a plurality of positioning holes 31 are formed on the turntable 3 at intervals along the circumferential direction of the turntable 3, and one end of the first connecting rod 12 and the second connecting rod 22 connected to the turntable 3 is hinged and matched with the corresponding positioning hole 31, so that one end of the first connecting rod 12 and the second connecting rod 22 connected to the turntable 3 is matched with the corresponding positioning hole 31 according to actual debugging conditions. It will be appreciated that in other embodiments not shown, the positioning hole 31 may be an elongated structure, so as to be suitable for adjusting the positions of the first connecting rod 12 and the second connecting rod 22, which connect one end of the turntable 3 with the positioning hole 31 according to actual debugging conditions.
In some embodiments, the rotary table 3 may be driven by a driving device outputting circular motion power in a transmission connection with the rotation axis of the rotary table 3, or by a driving device outputting linear motion power hinged with a position on the rotary table 3 deviating from the rotation axis.
In some embodiments, the first mounting seat 42 can also rotate and lock on the first clamping arm 1, the rotation axis of the first mounting seat 42 is perpendicular to the axis of the first conical disk 41, the second mounting seat 52 can also rotate and lock on the second clamping arm 2, the rotation axis of the second mounting seat 52 is perpendicular to the axis of the second conical disk 51, the included angle between the first conical disk 41 and the first clamping arm 1 is adjusted by rotating the first mounting seat 42, the included angle between the second conical disk 51 and the second clamping arm 2 is adjusted by rotating the second mounting seat 52, when the first clamping arm 1 and the second clamping arm 2 rotate to a required included angle, the first 411 conical surface and the second 511 conical surface of the first conical disk 41 are in a collinear state, and simultaneously the two opposite end openings of the first 411 conical surface and the second 511 conical surface of the second conical disk 51 are propped against the workpiece 200, so that the automatic centering and clamping device for the spindle roller provided by the embodiment of the invention can be suitable for workpieces 200 with different lengths, and can be suitable for workpieces 200 with different diameters, only meeting the requirement that the inner bore areas of the workpiece 200 have the largest cross-sectional areas smaller than the largest cross-sectional areas of the conical surfaces of the workpiece 200.
In some of these embodiments, the workpiece 200 may be a spindle drum, but is not limited thereto.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An automatic centering and clamping device for a spindle roller is characterized in that: comprises a mounting frame, a first clamping arm, a second clamping arm, a first clamping head component and a second clamping head component, wherein the first clamping arm and the second clamping arm are rotationally connected to the mounting frame, the first clamping head component and the second clamping head component are respectively arranged on the first clamping arm and the second clamping arm, the first clamping head component comprises a first conical disc, a first guide pipe and a displacement sensor, the first guide pipe penetrates through the axis position of the first conical disc, the displacement sensor is arranged on the first guide pipe, the second clamping head component comprises a second conical disc, when the first clamping arm and the second clamping arm rotate to the position that the first clamping arm component and the second clamping arm are close to each other, the first conical disc and the second conical disc can be driven to respectively abut against the orifices at two opposite ends of a workpiece, so that the first conical surface of the first conical disc and the second conical disc are in abutting contact with the orifices at two opposite ends of the workpiece to form centering clamping to the workpiece, the first guide pipe can penetrate through the first conical disc and extend into the inner holes of the workpiece, the displacement sensor is driven to enter an inner hole of a workpiece, so that the displacement sensor can detect an inner hole parameter of the workpiece, the first conical disk is rotatably matched with the first clamping arm around the axial lead of the first conical disk, the second conical disk is rotatably matched with the second clamping arm around the axial lead of the second conical disk, the first chuck component further comprises a first mounting seat, the first mounting seat is arranged on the first clamping arm, one end of the first conical disk, which is close to the first mounting seat, is provided with a first shaft body, the first shaft body is inserted and rotatably matched into an inner cavity of the first mounting seat, the second chuck component further comprises a second mounting seat, one end of the second conical disk, which is close to the second mounting seat, is provided with a second shaft body, which is inserted and rotatably matched into the inner cavity of the second mounting seat, the first guide pipe is axially and slidably matched with the first mounting seat along the first guide pipe, the clamping head assembly II comprises a guide pipe II, a collet chuck, a piston and an elastic piece II, wherein the guide pipe II is in sliding fit with the mounting seat II along the axial direction of the guide pipe II, the guide pipe II is penetrated in the axial center position of the conical disk II, the collet chuck is accommodated in the guide pipe II and is close to one end of the conical disk I, when the collet chuck is pushed towards one end close to the conical disk I, the collet chuck is extruded and deformed to be folded, when the collet chuck moves towards one end far from the conical disk I, the collet chuck is opened under the action of elastic restoring force, the elastic piece II is used for applying elastic force to enable the collet chuck to move towards one end far from the conical disk I, the piston is mounted on the collet chuck and is in sliding abutting contact with the inner peripheral wall of the guide pipe II, the piston divides the inner cavity of the guide pipe II into a first cavity close to one side of the collet chuck and a second cavity far from one side of the collet chuck, the first chamber is not communicated with the second chamber, the first chamber is communicated with external air, the second chamber is communicated with a closed cavity in a workpiece, one end of an air pipe is communicated with the second chamber through a collet, the other end of the air pipe is connected with a negative pressure generator, a linear module is arranged on the second clamping arm and is connected with a guide pipe II so as to drive the guide pipe II to do linear reciprocating motion along the axial direction through the linear module, a through hole I is arranged at the axis of the first conical disk, a sliding sleeve I is arranged on the first mounting seat corresponding to the guide pipe I, the guide pipe I is in sliding connection with the sliding sleeve I, the guide pipe I can penetrate the first conical disk II from the through hole I of the first conical disk, a through hole II is arranged at the axis of the second conical disk, a sliding sleeve II is arranged on the second mounting seat corresponding to the guide pipe II, the guide pipe II is in sliding connection with the sliding sleeve II, the guide tube II can be worn to the first conical disk by the through-hole II of the second conical disk, the one end that the guide tube I is close to the second conical disk is sealed, the inside of the guide tube I has a first lumen, the first lumen communicates with outside air, the slide hole has been seted up on the week lateral wall of the guide tube I, displacement sensor slidable mounting is in the slide hole, displacement sensor with be provided with the elastic component I between the guide tube I, the elastic component I is used for exerting elasticity and makes displacement sensor retract to the slide hole, the drill way inboard that the guide tube II is close to the collet chuck is protruding to be equipped with the flange, be equipped with the extrusion inclined plane on the lateral wall that the collet chuck is close to the flange.
2. An automatic centering and clamping device for a spindle drum as claimed in claim 1, wherein: the sealing device comprises a guide pipe, a guide pipe and a conical disk, wherein a first sealing element is arranged in a first through hole of the conical disk, the first sealing element is in sealing abutting connection with the peripheral wall of the guide pipe, a second sealing element is arranged in a second through hole of the conical disk, and the second sealing element is in sealing abutting connection with the peripheral wall of the guide pipe.
3. An automatic centering and clamping device for a spindle drum as claimed in claim 1, wherein: the clamping arm I is provided with a rotating part I near the middle, the clamping arm II is provided with a rotating part II near the middle, the clamping arm I is in rotating fit with the mounting frame through the rotating part I, the clamping arm II is in rotating fit with the mounting frame through the rotating part II, the automatic centering and clamping device for the spindle roller further comprises a turntable, the turntable is in rotating fit on the mounting frame and is positioned between the clamping arm I and the clamping arm II, one end of the clamping arm I is hinged with a connecting rod I, the other end of the connecting rod I is hinged with a position, deviating from the rotating axis of the turntable, of the turntable on the turntable, one end of the clamping arm II is hinged with a connecting rod II, the other end of the connecting rod II is hinged with a position, deviating from the rotating axis of the turntable on the turntable, the first clamping head component is arranged at one end, deviating from the connecting rod I, of the second clamping arm, of the second clamping head component is arranged at one end, deviating from the connecting rod II, of the clamping arm II.
4. An automatic centering and clamping device for a spindle drum as claimed in claim 1, wherein: the automatic centering and clamping device for the spindle roller further comprises a rotary driving structure, the rotary driving structure comprises a driving wheel and a driven wheel, the driving wheel is in running fit on the second clamping arm, the driven wheel is coaxially arranged on the second conical disk, the driving wheel is in transmission connection with the driven wheel, the rotary driving structure further comprises a driving device arranged on the second clamping arm or the mounting frame, and the output end of the driving device is connected with the driving wheel.
5. An automatic centering and clamping device for a spindle drum as claimed in claim 1, wherein: when the two end openings of the conical surface I of the conical disk I and the conical surface II of the conical disk II opposite to the workpiece are propped in place, the conical surface I and the conical surface II are in a collinear state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311474715.6A CN117182816B (en) | 2023-11-08 | 2023-11-08 | Automatic centering and clamping device for spindle roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311474715.6A CN117182816B (en) | 2023-11-08 | 2023-11-08 | Automatic centering and clamping device for spindle roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117182816A CN117182816A (en) | 2023-12-08 |
| CN117182816B true CN117182816B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311474715.6A Active CN117182816B (en) | 2023-11-08 | 2023-11-08 | Automatic centering and clamping device for spindle roller |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1298259A (en) * | 1970-08-13 | 1972-11-29 | Alford Sidney C | Packaging apparatus |
| JP2000117572A (en) * | 1998-10-16 | 2000-04-25 | Osaka Kiko Co Ltd | Pallet clamp device for machine tool |
| CN208593809U (en) * | 2018-08-03 | 2019-03-12 | 山东轻工职业学院 | A kind of logistics transportation goods and materials clamping transfer device |
| CN212145520U (en) * | 2020-04-15 | 2020-12-15 | 上海诠一精密机械有限公司 | Collet clamp |
| CN212330968U (en) * | 2020-05-06 | 2021-01-12 | 大大科技(宁国)有限公司 | Platform suitable for processing of hydraulic cylinder for metallurgical equipment |
| CN212704753U (en) * | 2020-08-05 | 2021-03-16 | 浙江兰溪市海钜智能装备有限公司 | Inverted damping cylinder inner hole finish reaming special machine |
-
2023
- 2023-11-08 CN CN202311474715.6A patent/CN117182816B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1298259A (en) * | 1970-08-13 | 1972-11-29 | Alford Sidney C | Packaging apparatus |
| JP2000117572A (en) * | 1998-10-16 | 2000-04-25 | Osaka Kiko Co Ltd | Pallet clamp device for machine tool |
| CN208593809U (en) * | 2018-08-03 | 2019-03-12 | 山东轻工职业学院 | A kind of logistics transportation goods and materials clamping transfer device |
| CN212145520U (en) * | 2020-04-15 | 2020-12-15 | 上海诠一精密机械有限公司 | Collet clamp |
| CN212330968U (en) * | 2020-05-06 | 2021-01-12 | 大大科技(宁国)有限公司 | Platform suitable for processing of hydraulic cylinder for metallurgical equipment |
| CN212704753U (en) * | 2020-08-05 | 2021-03-16 | 浙江兰溪市海钜智能装备有限公司 | Inverted damping cylinder inner hole finish reaming special machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117182816A (en) | 2023-12-08 |
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