CN120791438A - Washing machine accessory machining clamp - Google Patents
Washing machine accessory machining clampInfo
- Publication number
- CN120791438A CN120791438A CN202511312797.3A CN202511312797A CN120791438A CN 120791438 A CN120791438 A CN 120791438A CN 202511312797 A CN202511312797 A CN 202511312797A CN 120791438 A CN120791438 A CN 120791438A
- Authority
- CN
- China
- Prior art keywords
- clamping
- belt pulley
- plate
- plates
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of washing machine processing, in particular to a washing machine accessory machining clamp, which comprises a workbench, wherein the workbench comprises a rotary table which intermittently rotates, a plurality of clamping seats which are uniformly arranged in the circumferential direction are arranged on the rotary table, clamping holes are formed in the middle of the clamping seats, and a righting unit and a pre-clamping unit are sequentially arranged on the clamping seats from top to bottom; according to the invention, the axial alignment of the belt pulley is carried out by adopting a mode of straightening the belt pulley mounting shaft back and forth before the belt pulley is processed, and simultaneously, the abutting force is applied to the two sides of the shaft shoulder of the belt pulley, so that the shaft shoulder of the belt pulley faces to the right upper side, the circumferential alignment of the belt pulley is realized, the accurate alignment of the belt pulley position is realized, the processing accuracy of the belt pulley is increased, meanwhile, the belt pulley with different sizes can be rapidly clamped, and the processing efficiency of the belt pulley is ensured.
Description
Technical Field
The invention relates to the technical field of washing machine machining, in particular to a washing machine accessory machining clamp.
Background
In the production and manufacturing process of the washing machine, the machining precision of various mechanical accessories directly affects the overall operation performance and the service life of the washing machine, wherein a belt pulley is used as a core component of a transmission system of the washing machine and plays important roles in transmitting power, coordinating operation of key components such as a motor and a roller, and the like, as shown in fig. 8, the belt pulley comprises a mounting shaft for being assembled with a driving shaft or a driven shaft, a shaft shoulder for realizing axial positioning and limiting, a hub for being meshed with a belt for transmission and a wheel disc for achieving structural support and torque transmission, when the belt pulley is machined, drilling and tapping operations are needed at specific positions of the shaft shoulder, and the machined hole position is mainly used for assembling a positioning pin or a fastening bolt subsequently so as to ensure that the belt pulley is firmly installed and accurately positioned in the transmission system of the washing machine.
At present, when the belt pulley is drilled and tapped, a special fixture is usually adopted to fix the belt pulley on a rotary workbench, and the specific operation is that an operator inserts a mounting shaft of the belt pulley into a clamping hole of the fixture, makes a shaft shoulder of the belt pulley face upwards so as to correctly position and expose a shaft shoulder area to be machined, continuously rotates through the workbench, drives the fixture provided with the belt pulley to sequentially move to a drilling station and a tapping station, and is also provided with a clamping plate, and the clamping plate and the fixture are matched to clamp and fix the belt pulley by driving the clamping plate to improve the machining stability when the belt pulley is drilled or tapped, and finally, the belt pulley is transported to a blanking station to carry out blanking after corresponding machining procedures are finished so as to realize the drilling and tapping machining of the belt pulley.
The existing clamp has the following problems that when the installation shaft of the belt pulley is inserted into the clamping hole, the belt pulley can have initial position deviation, axial angle deviation is easy to occur to the installation shaft, circumferential angle deviation can also occur to the shaft shoulder, the existing clamp only depends on operators to manually calibrate the position of the belt pulley, accurate calibration of the position of the belt pulley can not be ensured, circumferential deflection or axial deflection still easily occurs to the machined hole site, further the machining precision of subsequent drilling and tapping is reduced, in addition, the clamping structure of the existing clamp is designed to be of a fixed size, only the belt pulley with specific specification can be adapted, and when the belt pulleys with different sizes are machined, the clamp needs to be replaced, so that the machining efficiency of the belt pulley is reduced.
Disclosure of Invention
In order to solve the technical problems, the technical scheme is that the washing machine accessory machining clamp comprises a workbench, the workbench comprises a rotating platform which rotates intermittently, a plurality of clamping seats which are uniformly arranged in the circumferential direction are arranged on the rotating platform, clamping holes are formed in the middle of the clamping seats, a positioning unit and a pre-clamping unit are sequentially arranged on the clamping seats from top to bottom, the pre-clamping unit comprises two symmetrically arranged arc clamping plates which are concentrically distributed in the clamping holes, the arc clamping plates are connected with the clamping seats through a abutting group, the abutting group can drive the arc clamping plates to elastically clamp a mounting shaft of a belt pulley, a reciprocating rod is arranged on the abutting group, the positioning plates are connected with the clamping seats through pressing groups, the pressing groups can drive the positioning plates to elastically abut against two sides of a shaft shoulder of the belt pulley, the U-shaped pressing plates are jointly arranged on the two pressing groups, the locking plates are slidably arranged on one side, close to the middle of the upper end of the clamping seats, the locking plates are fixedly arranged on the clamping plates, the clamping blocks are fixedly matched with the shaft shoulder of the belt pulley, and the clamping plates are matched with the rotating platform through the clamping rods in the circumferential direction, and the clamping rods are matched with the shaft blocks in the circumferential direction, and the clamping plates can be matched with the shaft shoulder of the belt pulley, and the clamping plates can be matched with the shaft to realize the matching of the positioning plate.
Preferably, one end of the clamping seat far away from the middle part of the rotary table is provided with a plurality of circumferentially arranged clamping blocks in a radial sliding manner through a jacking spring, the opposite sides of the clamping blocks are fixedly provided with triangular blocks, and the triangular blocks can clamp the hub of the belt pulley on the clamping seat.
Preferably, the clamping seat is provided with a first mounting hole corresponding to the arc clamping plates one by one, the propping group comprises a reciprocating plate which is slidably mounted in the first mounting hole, the reciprocating plate is elastically propped against the rod and the corresponding arc clamping plates are slidably connected, the opposite sides of the two arc clamping plates are provided with inclined planes, and the opposite sides of the two arc clamping plates are provided with a plurality of balls.
Preferably, the reciprocating rod is fixedly arranged at one end of the reciprocating plate, which is close to the middle part of the rotary table, and a reset spring is connected between the reciprocating plate and the first mounting hole.
Preferably, the clamping seat is provided with a second mounting hole corresponding to the righting plate one by one, the pressurizing group comprises a sliding plate which is slidably arranged in the second mounting hole, the sliding plate is slidably connected with the corresponding righting plate through an elastic pressurizing rod, and opposite sides of the two righting plates are respectively provided with an inclined plane.
Preferably, two symmetrically arranged guide grooves are formed in the pressurizing plate, a synchronizing rod is slidably mounted in the guide grooves, the lower end of the synchronizing rod penetrates through the clamping seat in a sliding mode and is fixedly connected with the upper end of the corresponding sliding plate, and when the pressurizing plate moves towards one end far away from the middle of the rotating table, the guide grooves and the synchronizing rod are matched to drive the two sliding plates to move towards the opposite sides.
Preferably, two the guide slots are arranged in an inclined manner in a direction away from each other at one end of the guide slots away from the middle part of the rotary table, and one end of the guide slots close to the middle part of the rotary table is arranged along the length direction of the clamping seat.
Preferably, the lower ends of the locking plates are provided with a plurality of uniformly arranged locking grooves corresponding to the position correcting plates, the upper ends of the position correcting plates are fixedly provided with inserting plates, and when the position correcting plates move forwards, the inserting plates can be inserted into the corresponding locking grooves to lock the positions of the position correcting plates.
Preferably, the front ends of the locking grooves are all provided with flaring structures, and when the belt pulley is still in circumferential deflection, the plugboard can be matched with the flaring structures of the locking grooves to realize accurate circumferential position correction of the belt pulley.
Preferably, the link group includes the go-between of concentric distribution in the revolving stage top, and the go-between is connected with the workstation through the side link of U-shaped, and the cooperation board is arc structure and fixed mounting in the go-between outside, and cooperation board front end offered with cooperation pole matched with inclined plane, cooperation piece fixed mounting is in the go-between outside front end, and the cooperation piece is provided with a plurality of and its outside sets up to the arc.
The belt pulley axial alignment device has the advantages that firstly, the belt pulley can be axially aligned in a manner of straightening the belt pulley mounting shaft back and forth before the belt pulley is machined, meanwhile, the abutting force is applied to the two sides of the shaft shoulder of the belt pulley, the shaft shoulder of the belt pulley faces to the right upper side, circumferential alignment of the belt pulley is achieved, accurate calibration of the position of the belt pulley is achieved, machining accuracy of the belt pulley is improved, meanwhile, the belt pulley axial alignment device can be used for rapidly clamping belt pulleys with different sizes, and machining efficiency of the belt pulley is guaranteed.
2. The arc-shaped clamping plate can rapidly clamp the belt pulley installation shafts with different sizes under the action of the abutting group, and meanwhile, the reciprocating rod can be matched with the matching block to drive the arc-shaped clamping plate to straighten the belt pulley installation shaft back and forth through the abutting group, so that the axial righting of the installation shaft is realized.
3. The positioning plate can apply an interference force to two sides of the shaft shoulder of the belt pulley under the action of the pressurizing group, so that the shaft shoulder of the belt pulley faces to the right upper side, circumferential positioning of the belt pulley is realized, and meanwhile, the matching rod can be matched with the matching plate, the interference force applied to the shaft shoulder of the belt pulley by the positioning plate is gradually increased through the pressurizing group, and accurate calibration of the circumferential position of the belt pulley is ensured.
4. The locking plate can lock the position of the positioning plate, so that the positioning plate can fix the pulley shoulder after accurate position calibration, and the stability of the pulley during processing is improved.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a top view of the attachment ring, mating plate, mating block, reciprocating lever and mating lever of the present invention.
Fig. 3 is a schematic perspective view of the clamping seat, the righting unit and the pre-clamping unit according to the present invention.
Fig. 4 is a schematic perspective view of the righting unit and the pre-clamping unit after the clamping seat is cut out.
Fig. 5 is a schematic perspective view of the positioning plate, the slide plate, the pressing plate and the synchronizing rod after the clamping seat is cut out.
Fig. 6 is a schematic perspective view of the alignment plate, the insert plate and the locking plate of the present invention.
Fig. 7 is a top view of the insert plate and locking plate of the present invention.
Fig. 8 is a schematic perspective view of a pulley.
The device comprises a workbench, 11, a rotary table, 12, a connecting group, 121, a connecting ring, 13, a matching plate, 14, a matching block, 2, a clamping seat, 21, a push spring, 22, a clamping block, 23, a triangular block, 24, a first mounting hole, 25, a second mounting hole, 3, a positioning unit, 31, a positioning plate, 311, a plugboard, 32, a pressurizing group, 321, a sliding plate, 322, an elastic pressurizing rod, 33, a pressurizing plate, 331, a synchronizing rod, 34, a locking plate, 35, a matching rod, 4, a pre-clamping unit, 41, an arc-shaped clamping plate, 42, a clamping group, 421, a reciprocating plate, 422, an elastic clamping rod, 423, a return spring and 43, a reciprocating rod.
Detailed Description
The examples described below are illustrative only and are not to be construed as limiting the invention, and are not to be construed as specific techniques or conditions, as described in the literature in the field or as per the product specifications.
Referring to fig. 1, a washing machine accessory machining fixture comprises a workbench 1, wherein the workbench 1 comprises a rotary table 11 which intermittently rotates, a plurality of clamping seats 2 which are uniformly arranged in the circumferential direction are arranged on the rotary table 11, clamping holes are formed in the middle of the clamping seats 2, a positive unit 3 and a pre-clamping unit 4 are sequentially arranged on the clamping seats 2 from top to bottom, intermittent rotation of the rotary table 11 is driven by a motor arranged in the workbench 1, a belt pulley on the clamping seats 2 is further driven to sequentially rotate to a drilling station and a tapping station, and the upper ends of the clamping holes penetrate through the clamping seats 2, so that a shaft shoulder area to be machined of the belt pulley is not blocked.
Referring to fig. 3 and 4, the pre-clamping unit 4 comprises two symmetrically arranged arc-shaped clamping plates 41 concentrically distributed in the clamping holes, the arc-shaped clamping plates 41 are connected with the clamping seat 2 through a propping group 42, the propping group 42 can drive the arc-shaped clamping plates 41 to elastically clamp the mounting shaft of the belt pulley, the propping group 42 is provided with a reciprocating rod 43, the pre-clamping unit 4 can rapidly pre-clamp the belt pulleys with different sizes, so that the applicability of the belt pulley processing machine is improved, meanwhile, the processing efficiency of the belt pulleys with different sizes is ensured, the pre-clamping unit 4 can also forward and backward smoothen the mounting shaft of the belt pulley, the axial alignment of the belt pulley is realized, and the processing precision of the belt pulley is ensured.
Referring to fig. 1, 2, 3 and 4, the righting unit 3 includes two righting plates 31 symmetrically arranged and distributed in the clamping holes, the righting plates 31 are connected with the clamping seat 2 through a pressing group 32, the pressing group 32 can drive the righting plates 31 to elastically abut against two sides of the shaft shoulder of the belt pulley, the two pressing groups 32 are jointly provided with a U-shaped pressing plate 33, the pressing plate 33 is connected with the clamping seat 2 through a locking plate 34, the locking plate 34 is slidably installed on one side, close to the middle part of the rotary table 11, of the upper end of the clamping seat 2, a matching rod 35 is fixedly installed at the rear end of the locking plate 34, the workbench 1 is provided with a matching plate 13 and a matching block 14 through a connecting group 12, the righting unit 3 can righting the shaft shoulder of the belt pulley, the shaft shoulder of the belt pulley faces to the right upper side, the processing precision of the belt pulley is further ensured, and in addition, the righting unit 3 can also clamp and fix the shaft shoulder of the belt pulley, so that the stability of the belt pulley during processing is improved.
Specifically, when the belt pulley needs to be drilled and tapped, an operator firstly inserts the installation shaft (shaft shoulder facing upwards) of the belt pulley into the clamping hole of the clamping seat 2 positioned at the front side, and makes the hub of the belt pulley attached to the front end of the clamping seat 2, the arc clamping plate 41 is elastically clamped at the outer side of the installation shaft of the belt pulley under the action of the abutting group 42, meanwhile, the righting plate 31 abuts against the left side and the right side of the shaft shoulder of the belt pulley under the action of the pressing group 32, and then the rotary table 11 is controlled to start to drive the clamping seat 2 to intermittently rotate, in the process, the reciprocating rod 43 and the matching block 14 are matched to drive the corresponding arc clamping plate 41 to reciprocate back and forth through the abutting group 42, so that the arc clamping plate 41 can forward and backward straighten the installation shaft of the belt pulley, and meanwhile, the matching plate 13 and the matching rod 35 are matched to drive the locking plate 34 to move in the direction away from the middle of the rotary table 11.
Along with the locking plate 34 driving the pressurizing plate 33 to move, the pressurizing plate 33 gradually increases the collision force of the righting plate 31 to the pulley shaft shoulder through the pressurizing group 32, when the pulley is in circumferential deflection, the righting plate 31 positioned on one side of the pulley shaft shoulder deflection applies larger collision force to the pulley shaft shoulder, and the righting plate 31 on the other side applies smaller collision force to the pulley shaft shoulder, so that the pulley shaft shoulder drives the pulley to rotate under the collision force action of the two righting plates 31, circumferential righting of the pulley is realized, and then the locking plate 34 locks the position of the righting plate 31, so that the two righting plates 31 clamp and fix the shaft shoulder of the pulley.
Then, the clamping seat 2 drives the belt pulley to intermittently rotate to the left side, the rear side and the right side in sequence, an external drilling device, a tapping device and a blanking device are started to sequentially drill, tap and blanking the belt pulley, and finally the rotary table 11 is controlled to drive the clamping seat 2 to intermittently rotate to the front side and repeat the steps.
In order to further increase the processing precision of the belt pulley, the belt pulley processing device adopts the following structure that referring to fig. 3, one end of a clamping seat 2 far away from the middle part of a rotary table 11 is radially and slidably provided with a plurality of clamping blocks 22 which are circumferentially arranged through a jacking spring 21, the opposite sides of the clamping blocks 22 are fixedly provided with triangular blocks 23, the triangular blocks 23 can clamp the hub of the belt pulley on the clamping seat 2, when a belt pulley installation shaft is inserted into a clamping hole of the clamping seat 2, the hub of the belt pulley can be matched with the front inclined surface of the triangular blocks 23 to push the clamping blocks 22 to move towards the opposite sides, when the hub of the belt pulley is abutted against the front end of the clamping seat 2, the hub of the belt pulley is moved to the rear inclined surface corresponding position of the triangular blocks 23, the triangular blocks 23 can be driven to abut against the outer sides of the hubs of the belt pulleys with different sizes under the action of the jacking springs 21, the rear inclined surfaces of the triangular blocks 23 can be ensured to always abut against the clamping seat 2, and when the belt pulley installation shaft is required to be fed, the belt pulley installation shaft is moved towards the direction far away from the clamping seat 2, and the belt pulley installation shaft can be moved out of the clamping hole.
In order to enable the arc-shaped clamping plates 41 to rapidly clamp pulleys with different sizes, the invention adopts the following structure that referring to fig. 3, 4 and 5, a first mounting hole 24 corresponding to the arc-shaped clamping plates 41 one by one is formed in a clamping seat 2, a pressing group 42 comprises a reciprocating plate 421 which is slidably mounted in the first mounting hole 24, the reciprocating plate 421 is slidably connected with the corresponding arc-shaped clamping plates 41 through elastic pressing rods 422, inclined surfaces are formed on opposite sides of the two arc-shaped clamping plates 41, a plurality of balls are mounted on opposite sides of the two arc-shaped clamping plates 41, a second mounting hole 25 corresponding to the corresponding normal position plates 31 one by one is formed in the clamping seat 2, a sliding plate 321 slidably mounted in the second mounting hole 25 is formed in the pressing group 32, the sliding plate 321 is slidably connected with the corresponding normal position plates 31 through elastic rods 322, and inclined surfaces are formed on opposite sides of the two normal position plates 31.
Specifically, when inserting the pulley installation axle in the centre gripping hole of grip slipper 2, the pulley installation axle can promote two arc grip blocks 41 through arc grip block 41 inclined plane and remove to opposite side, and under the effect of elasticity butt rod 422, arc grip block 41 can elasticity centre gripping pulley installation axle, the belt pulley shaft shoulder can promote two righting plates 31 to opposite side removal through righting plate 31 inclined plane, and righting plate 31 can elasticity conflict in belt pulley shaft shoulder left and right sides under the effect of elasticity forcing rod 322, under the ball effect, can reduce the frictional force between pulley installation axle and the arc grip block 41, in order to ensure the smooth removal of pulley installation axle, and when the back-and-forth reciprocating motion of arc grip block 41, prevent under the ball effect that the frictional force between arc grip block 41 and the pulley installation axle is too big to lead to the axial angle deviation of pulley installation axle to aggravate.
Referring to fig. 2 and 4, the reciprocating bar 43 is fixedly installed at one end of the reciprocating plate 421 near the middle of the rotary table 11, a return spring 423 is connected between the reciprocating plate 421 and the mounting hole one 24, the connection group 12 comprises a connection ring 121 concentrically distributed above the rotary table 11, the connection ring 121 is connected with the workbench 1 through a U-shaped side link, the matching block 14 is fixedly installed at the front end of the outer side of the connection ring 121, the matching block 14 is provided with a plurality of arc-shaped parts, when the clamping seat 2 drives the reciprocating bar 43 to rotate and the matching block 14 to contact and continue to rotate, the arc-shaped structure of the matching block 14 pushes the reciprocating bar 43 to move towards one end far from the middle of the rotary table 11, the reciprocating bar 43 drives the corresponding arc-shaped clamping plate 41 to move and stretch the return spring 423 through the reciprocating plate 421, and when the reciprocating bar 43 and the matching block 14 are separated, the reciprocating plate 421 is restored to the initial position under the action of the return spring 423, and the matching block 14 is provided with a plurality of matching blocks, so that the arc-shaped clamping plate 41 is stroked forward and backward and forward to the pulley mounting shaft for a plurality of times.
In order to ensure that the aligning plate 31 is accurately aligned circumferentially to the shaft shoulder of the belt pulley, the belt pulley adopts a structure that two symmetrically arranged guide grooves are formed in the pressurizing plate 33, a synchronizing rod 331 is slidably mounted in the guide grooves, the lower end of the synchronizing rod 331 penetrates through the clamping seat 2 in a sliding mode and is fixedly connected with the upper end of the corresponding sliding plate 321, when the pressurizing plate 33 moves towards one end far away from the middle of the rotary table 11, the guide grooves and the synchronizing rod 331 cooperatively drive the two sliding plates 321 to move towards opposite sides, one end, far away from the middle of the rotary table 11, of the two guide grooves are obliquely arranged in the direction away from each other, one end, close to the middle of the rotary table 11, of the two guide grooves is arranged in the length direction of the clamping seat 2, the matching plate 13 is of an arc-shaped structure and is fixedly mounted on the outer side of the connecting ring 121, and an inclined surface matched with the matching rod 35 is formed in the front end of the matching plate 13.
Specifically, when the clamping seat 2 drives the matching rod 35 to rotate to contact with the inclined surface of the matching plate 13 and continue to rotate, the inclined surface of the matching plate 13 pushes the matching rod 35 to move towards one end far away from the middle of the rotary table 11, the matching rod 35 drives the pressurizing plate 33 to move through the locking plate 34, the inclined structure of the guide groove and the synchronous rod 331 cooperate to drive the two sliding plates 321 to move towards the opposite sides, the distance between the sliding plates 321 and the righting plate 31 is reduced, so that the compression amount of the elastic pressurizing rod 322 is increased, the interference force applied by the righting plate 31 to the belt pulley shaft shoulder is continuously increased, and then the synchronous rod 331 moves into the structure that the guide groove is arranged along the length direction of the clamping seat 2, so that the two righting plates 31 continuously apply larger interference force to the belt pulley shaft shoulder.
In order to further ensure that the aligning plate 31 is used for accurately aligning the belt pulley shaft shoulder and fixing the aligned belt pulley shaft shoulder, the invention adopts the following structure that as shown in fig. 5, 6 and 7, a plurality of uniformly arranged locking grooves are formed at the lower end of the locking plate 34 corresponding to the position of the aligning plate 31, the front ends of the locking grooves are provided with flaring structures, the upper end of the aligning plate 31 is fixedly provided with a plugboard 311, when the aligning plate 31 moves forwards, the plugboard 311 can be inserted into the corresponding locking groove to realize the position locking of the aligning plate 31, when the synchronous rod 331 starts to move to the structure that the guide groove is arranged along the length direction of the clamping seat 2, the locking plate 34 starts to move to the corresponding position of the plugboard 311, and as the locking plate 32 continues to move towards one end far away from the middle part of the rotary table 11, the plugboard 311 starts to be inserted into the locking groove at the corresponding position, when the belt pulley still has slight circumferential deflection, the plugboard 311 can be matched with the flaring structure of the locking groove to realize the accurate circumferential alignment of the belt pulley, and when the plugboard 311 is inserted into the locking groove at the corresponding position, and when the belt pulley 311 and the matched with the locking groove is matched with the locking groove to align the position of the aligning plate 31, so that the belt pulley 311 is aligned with the position of the corresponding position to realize the aligning plate 31.
According to the invention, through the elastic clamping and axial righting of the abutting group 421 and the arc clamping plate 4 on the belt pulley mounting shaft and the elastic abutting and circumferential righting of the pressurization group 32 and the righting plate 31 on the two sides of the belt pulley shaft shoulder, the axial and circumferential positions of the belt pulley can be accurately calibrated after the belt pulley is righted twice, the belt pulley position is not required to be manually calibrated, the deflection problem in hole site machining is effectively avoided, meanwhile, the clamp can be adapted to belt pulleys with different sizes, rapid clamping and machining can be realized, and the production efficiency is remarkably improved.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, slidably connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between 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.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered by the scope of the present invention.
Claims (10)
1. The machining clamp for the washing machine accessories comprises a workbench, wherein the workbench comprises a rotary table which intermittently rotates, a plurality of clamping seats which are circumferentially and uniformly arranged are arranged on the rotary table, and clamping holes are formed in the middle of the clamping seats;
the pre-clamping unit comprises two symmetrically arranged arc-shaped clamping plates which are concentrically distributed in the clamping hole, the arc-shaped clamping plates are connected with the clamping seat through a propping group, the propping group can drive the arc-shaped clamping plates to elastically clamp the mounting shaft of the belt pulley, and the propping group is provided with a reciprocating rod;
The positioning unit comprises two symmetrically arranged positioning plates distributed in the clamping holes, the positioning plates are connected with the clamping seat through pressing groups, the pressing groups can drive the positioning plates to elastically abut against two sides of a shaft shoulder of the belt pulley, U-shaped pressing plates are jointly arranged on the two pressing groups and are connected with the clamping seat through locking plates, the locking plates are slidably arranged on one side, close to the middle of the rotary table, of the upper end of the clamping seat, and a matching rod is fixedly arranged at the rear end of the locking plates;
The assembling plate and the assembling block are arranged on the workbench through the connecting group, when the rotary table rotates, the assembling block and the reciprocating rod are matched to drive the arc-shaped clamping plate to smooth the mounting shaft of the belt pulley, the assembling plate can be matched with the assembling rod, so that the clamping force of the aligning plate on the shaft shoulder of the belt pulley is increased, circumferential alignment of the belt pulley is realized, and then the locking plate is locked on the aligning plate to clamp the shaft shoulder of the fixed belt pulley.
2. The washing machine accessory machining fixture of claim 1, wherein a plurality of circumferentially arranged clamping blocks are radially slidably mounted on one end, far away from the middle part of the rotary table, of the clamping seat through a jacking spring, triangular blocks are fixedly mounted on opposite sides of the clamping blocks, and hubs of the pulleys can be clamped on the clamping seat through the triangular blocks.
3. The fixture for machining accessories of washing machine as claimed in claim 1, wherein the clamping seat is provided with a first mounting hole corresponding to the arc clamping plates one by one, the abutting group comprises a reciprocating plate slidably mounted in the first mounting hole, the reciprocating plate is slidably connected with the corresponding arc clamping plates through elastic abutting rods, the opposite sides of the two arc clamping plates are provided with inclined planes, and the opposite sides of the two arc clamping plates are provided with a plurality of balls.
4. A washing machine accessory machining jig as claimed in claim 3 wherein the reciprocating lever is fixedly mounted at one end of the reciprocating plate adjacent the central portion of the rotary table, and a return spring is connected between the reciprocating plate and the first mounting hole.
5. The fixture for machining accessories of washing machine as claimed in claim 1, wherein the clamping seat is provided with a second mounting hole corresponding to the righting plate one by one, the pressurizing group comprises a sliding plate slidably mounted in the second mounting hole, the sliding plate is slidably connected with the corresponding righting plate through an elastic pressurizing rod, and opposite sides of the two righting plates are provided with inclined planes.
6. The fixture for machining accessories of washing machine according to claim 5, wherein the pressing plate is provided with two symmetrically arranged guide grooves, the guide grooves are slidably provided with synchronizing rods, the lower ends of the synchronizing rods penetrate through the clamping seats in a sliding manner and are fixedly connected with the upper ends of the corresponding sliding plates, and when the pressing plate moves towards one end far away from the middle of the rotating table, the guide grooves and the synchronizing rods cooperate to drive the two sliding plates to move towards opposite sides.
7. The washing machine accessory machining jig of claim 6, wherein the two guide grooves are arranged obliquely in a direction away from each other at one end of the guide groove away from the center of the rotary table, and the two guide grooves are arranged in a direction along the length of the holder at one end of the guide groove close to the center of the rotary table.
8. The washing machine accessory machining fixture of claim 1, wherein a plurality of uniformly arranged locking grooves are formed in the lower end of the locking plate corresponding to the position of the position correcting plate, a plugboard is fixedly arranged at the upper end of the position correcting plate, and when the position correcting plate moves forwards, the plugboard can be inserted into the corresponding locking grooves to lock the position of the position correcting plate.
9. The washing machine accessory machining fixture of claim 8, wherein the front ends of the locking grooves are provided with flaring structures, and when the belt pulley is still in circumferential deflection, the plugboard can be matched with the flaring structures of the locking grooves to achieve accurate circumferential alignment of the belt pulley.
10. The fixture for machining accessories of washing machines according to claim 1, wherein the connecting group comprises connecting rings concentrically distributed above the rotary table, the connecting rings are connected with the workbench through U-shaped side frames, the matching plates are of arc structures and are fixedly installed on the outer sides of the connecting rings, inclined planes matched with the matching rods are formed in the front ends of the matching plates, the matching blocks are fixedly installed at the front ends of the outer sides of the connecting rings, and the matching blocks are multiple and arc-shaped.
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| CN202511312797.3A CN120791438B (en) | 2025-09-15 | 2025-09-15 | A machining fixture for washing machine parts |
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| CN202511312797.3A CN120791438B (en) | 2025-09-15 | 2025-09-15 | A machining fixture for washing machine parts |
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| KR101275818B1 (en) * | 2013-01-24 | 2013-06-18 | 이호건 | Light weight pulley manufacturing method and manufacturing the lightweight pulley |
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| CN120791438B (en) | 2026-02-24 |
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