CN218395507U - Novel spin riveting machine for inner barrel of washing machine - Google Patents
Novel spin riveting machine for inner barrel of washing machine Download PDFInfo
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- CN218395507U CN218395507U CN202221734780.9U CN202221734780U CN218395507U CN 218395507 U CN218395507 U CN 218395507U CN 202221734780 U CN202221734780 U CN 202221734780U CN 218395507 U CN218395507 U CN 218395507U
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Abstract
The utility model provides a novel bucket spin riveting machine in washing machine, includes base, support, lift track, goes up movable support body, goes up the pressure disk, dabber isotructure down, and the lift track sets up on the support, goes up movable support body and can go up and down on the support through the lift track. Go up the pressure disk and pass through the dabber realization linkage down, set up power device in the base, it is rotatory to adopt down drive mode drive pressure disk down by power device, simultaneously, through the synchronous rotation of dabber drive upper pressure disk and lower pressure disk. The invention cancels the spline shaft, installs the second power device in the base and drives the lower pressure plate to rotate by the second power device, thereby simplifying the transmission structure and reducing the cost burden caused by the large spline shaft; the shaping is realized through mobilizable mould that rises, and the mould that rises is provided with eight lamellas altogether, rises the mould wearing and tearing back, can correspond the change according to actual conditions, has reduced spare part cost, and this kind of inner liner structure adjustability is good, does not need frequent processing to satisfy the operating mode.
Description
Technical Field
The invention relates to the technical field of production and manufacturing equipment of washing machines, in particular to a novel spin riveting machine for an inner barrel of a washing machine.
Background
At present, spin riveting equipment of an inner barrel (barrel) of a mainstream washing machine has the following structure: including the base, set up four stands on the base, set up the upper beam on the top of stand, constitute a stable frame construction by upper beam, stand and base, be provided with the walking beam through the stand between upper beam and base, be provided with the pressure disk in the below of walking beam, be provided with down the pressure disk in the top of base, set up the integral key shaft in the bottom surface of last pressure disk, fixed set up the motor on the walking beam, driven the integral key shaft by the motor and rotated.
The spin riveting equipment has the advantages that the barrel (barrel) body, the upper flange and the lower flange (the barrel body and the upper flange and the lower flange are both of the inner barrel structure of the washing machine) are compressed through the upper pressing plate and the lower pressing plate, the spline shaft is driven to rotate by taking the motor as a power source, and the spline shaft drives the upper pressing plate and the lower pressing plate to rotate, so that the rotation action is completed. In addition, during the spin-riveting process, the upper and lower flanges need to be provided with corresponding inner liners to provide supporting force, and in general, the inner liners are all served by the upper and lower pressing plates, and the supporting force for the upper and lower flanges is provided by the upper and lower pressing plates.
In the actual use process, technicians find that the spin riveting equipment with the structural design has the following structural defects: 1. in the overall structure, the motor drives the spline shaft, the spline shaft drives the upper pressure plate and the lower pressure plate to rotate, the motor is arranged on the movable beam, and the high requirement on the structural strength of the movable beam is certainly provided; 2. in the spin-riveting forming process, the lining force of the upper flange and the lower flange is provided by the upper pressure plate and the lower pressure plate, but the pressure plates are machined parts, which are equivalent to lining dies, frequent debugging and researching are needed in the equipment debugging process, the machining is difficult, and the device does not have an adjusting function and is complex to debug; 3. the upper and lower pressure plates are easily damaged parts, the processing materials are generally die steel, the heat treatment process is complex, the spare part cost is high, if the upper and lower pressure plates are damaged, the upper and lower pressure plates need to be integrally replaced, and the later maintenance cost is high; 4. the overall structure of riveting equipment soon adopts the form of three roof beams (base, the walking beam, put the beams in place) four post (four stands), it installs on the walking beam to go up the pressure disk, the main frame of riveting equipment soon comprises upper beam + chassis + four stands, wherein the stand is not only required to support equipment, still need to play the effect of direction to the lift of walking beam, the structure is complicated, the installation difficulty, strict to the machining precision requirement, and in order to share the burden of lift servo motor at work, still need increase balance cylinder or counter weight, further increase cost.
Disclosure of Invention
Problem (A)
In conclusion, how to provide a novel spin riveting device with a simple structure and a reasonable design becomes a problem to be solved urgently by the technical personnel in the field.
(II) technical scheme
The invention provides a novel washing machine inner barrel spin riveting machine, which comprises:
a base;
the bracket is vertically arranged on the base and used for providing supporting force;
the lifting track is arranged on the bracket and is vertically arranged relative to the base;
the upper movable frame body is in sliding fit with the lifting track and can do lifting motion relative to the base in the vertical direction;
the upper pressure plate is rotatably arranged on the lower side surface of the upper movable frame body;
the mandrel is vertically arranged relative to the base, and the upper end of the mandrel is in power connection with the upper pressure plate and is used for realizing linkage of the upper pressure plate and the mandrel;
the expansion dies are arranged on the outer edge of the upper pressure plate and can slide on the upper pressure plate along the radial direction of the upper pressure plate, at least three expansion dies are arranged, and all the expansion dies are arranged around the circle center of the upper pressure plate at equal intervals;
the first power device is fixedly arranged on the upper movable frame body and used for driving the mold expanding motion and transmitting the mold expanding power provided by the first power device to a part to be processed by the mold expanding;
the lower pressure plate is rotatably arranged on the base, the circle center of the lower pressure plate and the circle center of the upper pressure plate are coaxially arranged in the vertical direction relative to the base, and the lower pressure plate can be connected with the bottom end of the mandrel and used for transmitting a rotary driving force and enabling the upper pressure plate and the lower pressure plate to synchronously rotate;
the second power device is in power connection with the lower pressure plate and is used for driving the lower pressure plate, the mandrel and the upper pressure plate to synchronously rotate;
and the third power device is fixedly arranged relative to the base, and is in power connection with the upper movable frame body and used for driving the first power device, the upper pressure plate and the mandrel to synchronously lift through the upper movable frame body.
Preferably, in the novel washing machine inner barrel spin riveting machine provided by the invention, the upper movable frame body comprises an installation plate arranged in parallel with the lower pressure plate, one end of the installation plate is provided with a sliding block, and the sliding block is in sliding fit with the lifting rail; and the slide block and the lifting track form a heavy-load track system.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, two lifting rails are arranged, and the two lifting rails are arranged on the bracket in parallel at intervals.
Preferably, in the novel washing machine inner barrel spin riveting machine provided by the invention, the first power device is fixedly arranged on the upper side surface of the mounting plate, the first power device comprises a telescopic shaft, and the telescopic direction of the telescopic shaft is parallel to the axis of the circle center of the upper pressure plate and the axis of the circle center of the lower pressure plate; the expansion die is characterized in that a first building block is arranged at the shaft end of the telescopic shaft, a first inclined surface is arranged on the first building block, a second building block is arranged on one side, close to the circle center of the upper pressure plate, of the expansion die, a second inclined surface in sliding fit with the first inclined surface is arranged on the second building block, and the first inclined surface is in sliding contact with the second inclined surface to achieve steering of the expansion die power.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, the inclination angle of the first inclined plane relative to the base is 45 °.
Preferably, in the novel washing machine inner barrel spin riveting machine provided by the invention, the expansion die is provided with eight flaps, and the eight flaps of the expansion die can form an inner lining die with an annular structure on the upper side surface of the upper pressure plate in a shrinkage limit state; and when the expansion die moves outwards along the radial direction to the limit state, the outer edge of the expansion die protrudes relative to the outer edge of the upper pressure plate.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, a square spigot is arranged at the circle center of the lower pressure plate; the lower end of the mandrel is of a square tenon structure matched with the square spigot in shape.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, the upper part of the square tenon structure is provided with the step-stopping ring, and the lower side surface of the step-stopping ring is an arc-shaped surface which protrudes downwards along the axial direction of the mandrel.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, two sides of the mounting plate are respectively provided with a vertically arranged reinforcing plate, a middle plate is vertically arranged between the two reinforcing plates, and the sliding block is arranged on the middle plate; the mounting panel, the reinforcing plate and the intermediate lamella all adopt the same sheet metal to make.
Preferably, in the novel spin riveting machine for the inner barrel of the washing machine provided by the invention, the first power device is a cylinder; the second power device is a servo motor; the third power device is a servo motor.
(III) advantageous effects
The invention provides a novel spin riveting machine for an inner barrel of a washing machine, which comprises a base, a support, a lifting rail, an upper movable frame body, an upper pressure plate, a lower pressure plate, a mandrel and other structures, wherein the lifting rail is arranged on the support, and the upper movable frame body can be lifted on the support through the lifting rail. Go up the pressure disk and pass through the dabber realization linkage down, set up power device in the base, it is rotatory to adopt down drive mode drive pressure disk down by power device, simultaneously, through the synchronous rotation of dabber drive upper pressure disk and lower pressure disk. Through the structural design, the invention has the following beneficial effects:
(1) The integral power structure is optimized, a spline shaft is cancelled, a second power device is installed in a base, a lower pressure plate is driven by the second power device to rotate, a square spigot is arranged in the center of the lower pressure plate, an upper pressure plate and a mandrel are installed on an upper movable frame body, the bottom end of the mandrel is of a square tenon structure, linkage is achieved between the upper pressure plate and the lower pressure plate through the mandrel, the upper movable frame body (and other components installed on the upper movable frame body) is controlled by a third power device to move up and down, the square tenon structure on the mandrel can be inserted into the square spigot, power transmission connection is achieved, the transmission structure is simplified, and cost burden brought by a large spline shaft is reduced;
(2) The transmission (or providing) of the forming lining force is realized through a movable expansion die (which can expand and retract, particularly the extension and retraction of a first power device arranged on an upper movable frame body), the expansion die is provided with eight petals, and after the expansion die is worn, the expansion die can be correspondingly replaced according to actual conditions, so that the spare part cost is reduced, and the lining structure has good adjustability and does not need to be frequently processed to meet the working condition;
(3) The whole structure of the novel washing machine inner barrel spin riveting machine is simplified. Firstly, an upper beam and a movable beam are cancelled, and a movable frame is used for substitution; secondly, because the movable part is simplified, the guide structure can meet the working condition by adopting double heavy-load guide rails, the manufacturing cost is greatly reduced, and the debugging period is also shortened.
Drawings
FIG. 1 is a schematic structural diagram of a novel spin riveting machine for an inner barrel of a washing machine in an embodiment of the invention;
FIG. 2 is a side view of the novel spin riveting machine for the inner tub of the washing machine in the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a lower platen according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a mandrel in an embodiment of the present invention.
In fig. 1 to 4, the correspondence between the part names and the reference numbers is:
a base 1, a bracket 2, a lifting track 3, an upper movable frame body 4, an upper pressure plate 5, a mandrel 6, an expansion die 7, a first power device 8, a lower pressure plate 9, a second power device 10,
A third power device 11, a square spigot 12, a square tenon structure 13 and a stop ring 14.
Detailed Description
Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 to 4, in which, fig. 1 is a schematic structural view of a spin riveting machine for an inner tub of a washing machine according to an embodiment of the present invention; FIG. 2 is a side view of the novel spin riveting machine for the inner tub of the washing machine in the embodiment of the invention; FIG. 3 is a schematic structural diagram of a lower platen in an embodiment of the present invention; fig. 4 is a schematic structural view of a mandrel in an embodiment of the present invention.
The invention provides a novel spin riveting machine for an inner barrel of a washing machine, which comprises the following components:
1. base 1
2. Support 2
Specifically, the stand 2 is vertically disposed on the base 1 for providing a supporting force.
The bracket 2 is another component with a supporting function in the invention, and the bracket 2 is fixed on the upper side (i.e. the table top) of the base 1 in a vertical arrangement mode, in the invention, the bracket 2 can be a U-shaped steel, one side of the U-shaped opening of the U-shaped steel is arranged outwards, and the plane of the other side of the U-shaped opening of the U-shaped steel is used as a structural plane for installing the lifting rail 3. In the invention, the bracket 2 is vertically arranged, the bottom of the bracket 2 can be fixed on the base 1 through a bolt assembly in a flange mode, and the top of the bracket 2 can be provided with a mounting plate for mounting the third power device 11 through the bolt assembly.
3. Lifting rail 3
The lifting track 3 is a component for realizing the upper movable frame body 4 in the invention. In the invention, the lifting track 3 adopts a heavy-duty track, namely the lifting track 3 adopts a track with a solid structure, the cross section of the lifting track 3 is designed into a T-shaped structure, or the cross section of the lifting track 3 adopts a rectangular structure.
Lifting track 3 sets up on support 2, specifically realizes fixedly through a plurality of bolt assembly, and lifting track 3 can guarantee like this that last movable support body 4 can carry out the ascending and descending motion in vertical direction for base 1 for the vertical setting of base 1.
In order to improve the stability of the upper movable frame body 4 doing lifting motion through the lifting track 3, in this embodiment, the lifting track 3 is provided with two, and the two lifting tracks 3 are parallel and arranged on the support 2 at intervals.
4. Upper movable frame body 4
The upper movable frame body 4 is arranged on the bracket 2 through the lifting track 3. The upper movable frame body 4 is in sliding fit with the lifting track 3 and can move vertically relative to the base 1.
In one embodiment of the invention, the upper movable frame 4 comprises a mounting plate arranged parallel to the lower platen 9.
The mounting panel is the rectangular plate, along the length direction of mounting panel: 1. a sliding block is arranged at one end of the mounting plate, and the sliding block (a sliding groove matched with the lifting track 3 is arranged on the sliding block) is in sliding fit with the lifting track 3; 2. the two sides of the mounting plate are respectively provided with a vertically arranged reinforcing plate, a vertically arranged middle plate is arranged between the two reinforcing plates, and the sliding block is arranged on the middle plate.
The mounting plate, the reinforcing plate and the middle plate are all made of the same metal plate. Specifically, the mounting plate, the reinforcing plate and the intermediate plate are preferably made of stainless steel plates, and aluminum profiles can be selected.
The slider adopts the entity structure, is provided with the spout with 3 cross sectional shape adaptations of lift track on the slider, can set up gyro wheel or bearing at the medial surface of spout, and when the slider was installed on lift track 3, the spout can be detained on lift track 3, and the gyro wheel or the bearing that the spout inboard set up and lift track 3 rolling contact can improve sliding fit's smooth and easy degree between slider and the lift track 3 like this. The slide block and the lifting track 3 form a heavy-load track system, so that the heavy-load requirement of the upper movable frame body 4 is met.
5. Upper pressure plate 5 and lower pressure plate 9
An upper pressure plate 5 (disc-shaped structure) is rotatably arranged on the lower side surface of the upper movable frame body 4. Lower pressure disk 9 (disc-shaped structure) rotationally sets up on base 1, and in the vertical direction for base 1, the centre of a circle of lower pressure disk 9 sets up with the centre of a circle coaxial of last pressure disk 5, and lower pressure disk 9 can be connected, is used for transmitting rotary drive power and makes upper pressure disk 5 and lower pressure disk 9 synchronous revolution with the bottom of dabber 6.
Go up pressure disk 5 and adopt disc structure, under actual installation form, the bottom surface of going up pressure disk 5 upwards has certain sunken, and the top surface of going up pressure disk 5 adopts planar structure for the installation rises mould 7. The top surface of the lower pressure plate 9 is provided with a certain depression downwards, and the bottom surface of the lower pressure plate 9 is provided with a key groove structure for realizing power connection with a second power device 10. Lower pressure disk 9 is installed on base 1, and second power device 10 is installed inside base 1, and the drive shaft (motor shaft) of second power device 10 passes the upside of base 1 and is connected with the keyway structure of lower pressure disk 9 to the realization is to the drive of lower pressure disk 9.
Further, a bearing is provided on the base 1 at the lower platen 9 with respect to a key groove structure on a bottom surface thereof, and the lower platen 9 is rotatably mounted on the base 1 through the bearing. Specifically, a thrust bearing is arranged on the base 1, the bearing is fixed on the base 1 through a bearing shell, a key groove structure arranged on the bottom surface of the lower pressing disc 9 is a tubular structure, and the tubular structure penetrates through a thrust bearing and then is in key connection with a driving shaft of the second power device 10. Of course, the tubular structure may be connected to the driving shaft of the second power unit 10 by a flange structure after passing through the thrust bearing.
In the present invention, the upper platen 5 and the lower platen 9 are made of the same material, preferably engineering plastic, or aluminum profile or stainless steel. When the metal material is used, a glue layer can be arranged on the outer surfaces of the upper platen 5 and the lower platen 9.
6. Mandrel 6
As can be seen from the above, the second power device 10 is originally installed on the base 1, and the lower platen 9 is driven to rotate by the second power device 10 (the prior art adopts a structure that the upper platen 5 rotates). Then, in order to realize the linkage of the upper platen 5 and the lower platen 9, the invention is provided with the mandrel 6, the mandrel 6 is vertically arranged relative to the base 1, and the upper end of the mandrel 6 is in power connection with the upper platen 5 and is used for realizing the linkage of the upper platen 5 and the mandrel 6.
In the invention, the mandrel 6 is made of metal material, and the mandrel 6 is of a solid structure. The main body of the mandrel 6 is of a circular shaft structure, and two ends of the mandrel 6 are respectively connected with the upper pressure plate 5 and the lower pressure plate 9, so that the upper end and the lower end of the mandrel 6 adopt different structural designs according to different connecting structures. For example: for the upper end of the mandrel 6, the upper end of the mandrel 6 can be connected with the upper pressure plate 5 by adopting a flange structure, or can be inserted onto the upper pressure plate 5 and then fixed on the upper pressure plate 5 by bolts, or a butt joint hole is arranged in the middle of the upper pressure plate 5, the butt joint hole is provided with internal threads, and the upper end of the mandrel 6 is fixedly arranged on the upper pressure plate 5 by a threaded connection structure; the lower end of the spindle 6 is detachably connected to the lower platen 9, and therefore, the shape of the lower end of the spindle 6 is matched with the shape of the mating hole provided in the lower platen 9.
Specifically, a square spigot 12 is arranged at the center of the lower pressing disc 9, the cross section of the square spigot 12 is square or rectangular, and other non-circular structures, such as triangle, ellipse, regular polygon and the like, can be adopted, which all refer to the cross section shape of the square spigot 12. Correspondingly, the lower end of the mandrel 6 is a square tenon structure 13 matched with the square spigot 12 in shape.
Furthermore, a stop ring 14 is arranged on the upper part of the square tenon structure 13, and the lower side surface of the stop ring 14 is an arc-shaped surface which protrudes downwards along the axial direction of the mandrel 6.
7. Expansion die 7
The expanding die 7 is used for expanding and fixing the inner barrel. The expansion dies 7 are arranged on the outer edge of the upper pressure plate 5 and can slide on the upper pressure plate 5 along the radial direction of the upper pressure plate 5, at least three expansion dies 7 are arranged (in a preferred embodiment of the invention, eight expansion dies 7 are arranged), and all the expansion dies 7 are arranged around the center of the upper pressure plate 5 at equal intervals.
In a specific embodiment of the invention, the first power device 8 is fixedly arranged on the upper side surface of the mounting plate, the first power device 8 comprises a telescopic shaft, and the telescopic direction of the telescopic shaft is parallel to the axis where the circle center of the upper platen 5 and the circle center of the lower platen 9 are located; the shaft end of the telescopic shaft is provided with a first building block, the first building block is provided with a first inclined surface (the first building block is provided with a multi-surface first inclined surface and is similar to a diamond shape), one side of the expansion die 7, which is close to the circle center of the upper pressure plate 5, is provided with a second building block, the second building block is provided with a second inclined surface in sliding fit with the first inclined surface, and the power steering of the expansion die 7 is realized by the sliding contact of the first inclined surface and the second inclined surface. According to the invention, a return spring for realizing the reset of the expansion die 7 is also arranged between the upper pressure plate 5 and the expansion die 7, the expansion die 7 is extended outwards along the radial direction by the first building block and the second building block, and the recovery and the reset of the expansion die 7 are realized by the return spring.
Specifically, the first slope is inclined at an angle of 45 ° with respect to the base 1.
Specifically, the expansion die 7 is provided with eight flaps, and the eight-flap expansion die 7 can form an inner lining die of an annular structure on the upper side surface of the upper pressure plate 5 in a contraction limit state; when the expansion die 7 moves radially outward to the limit state, the outer edge of the expansion die 7 protrudes relative to the outer edge of the upper platen 5.
In another embodiment of the present invention, the first power device 8 is fixedly disposed on the upper side of the mounting plate, the first power device 8 can output a rotational motion, the first power device 8 drives a lead screw to rotate, a nut in threaded fit with the lead screw is disposed on the lead screw, a connecting rod is disposed between the nut and the expansion die 7, the connecting rod is hinged to the nut and the expansion die 7, the nut can convert the rotational motion of the lead screw into a linear motion of the nut when the lead screw rotates, the nut can drive the expansion die 7 to move linearly through the connecting rod, the structure is similar to that of a umbrella framework in the prior art, and the expansion die 7 can be opened and retracted through the fit of the nut and the lead screw.
8. Power plant
In the invention, the power device comprises three power devices which are respectively as follows: the first power device 8 is used for providing power for the expansion die 7 and driving the expansion die 7 to open (or retract); the second power device 10 is used for driving the lower pressure plate 9, the mandrel 6 and the upper pressure plate 5 to rotate in a linkage manner; and the third power device 11 is used for realizing the lifting motion of the upper movable frame body 4 and the components arranged on the upper movable frame body 4.
Specifically, the first power device 8 is used for providing power for the expansion die 7, the first power device 8 is fixedly arranged on the upper movable frame body 4, and the first power device 8 is used for driving the expansion die 7 to move and transmitting the power for the expansion die 7 provided by the first power device 8 to the part to be processed through the expansion die 7.
Specifically, a second power device 10 is in power connection with the lower platen 9 for driving the lower platen 9, the spindle 6 and the upper platen 5 in synchronous rotation.
Specifically, third power device 11 is fixed setting for base 1, and third power device 11 is connected with last activity support body 4 power for drive first power device 8, go up pressure disk 5 and dabber 6 synchronous lifting through last activity support body 4.
The first power device 8 is preferably an air cylinder, and the first power device 8 can also be a hydraulic cylinder or a speed reducing motor. The second power device 10 is a servo motor or a speed reduction motor. The third power device 11 is a servo motor or a speed reduction motor.
In the invention, the vertical movement of the upper movable frame body 4 can be realized by matching the third power device 11 with a screw rod system, or the vertical movement of the upper movable frame body 4 can be driven by directly adopting an air cylinder or a hydraulic cylinder.
The invention provides a washing machine inner barrel spin riveting machine with a novel structure, which can complete the riveting forming of a washing machine barrel (barrel), a balance ring and a barrel (barrel) bottom. In order to simplify the whole structure of the equipment and facilitate the installation and debugging of the equipment, the technical scheme provided by the invention is as follows:
(1) The integral power structure is optimized, the spline shaft is cancelled, the second power device is installed in the base, the second power device drives the lower pressing disc to rotate, the center of the lower pressing disc is provided with a square spigot, the upper movable frame body is provided with an upper pressing disc and a mandrel, the bottom end of the mandrel is of a square tenon structure, the upper pressing disc and the lower pressing disc are linked through the mandrel, the upper movable frame body (and other parts installed on the upper movable frame body) is controlled by the third power device to move up and down, the square tenon structure on the mandrel can be inserted into the square spigot, power transmission connection is achieved, the transmission structure is simplified, and cost burden caused by a large spline shaft is reduced;
(2) The transmission (or providing) of the forming lining force is realized through a movable expansion die (which can expand and retract, particularly the extension and retraction of a first power device arranged on an upper movable frame body), the expansion die is provided with eight petals, and after the expansion die is worn, the expansion die can be correspondingly replaced according to actual conditions, so that the spare part cost is reduced, and the lining structure has good adjustability and does not need to be frequently processed to meet the working condition;
(3) The whole structure of the novel washing machine inner barrel spin riveting machine is simplified. Firstly, an upper beam and a movable beam are cancelled, and a movable frame is used for substitution; secondly, because the movable part is simplified, the guide structure can meet the working condition by adopting double heavy-load guide rails, the manufacturing cost is greatly reduced, and the debugging period is also shortened.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a novel bucket spin riveting machine in washing machine which characterized in that includes:
a base (1);
the bracket (2) is vertically arranged on the base and used for providing supporting force;
the lifting track (3) is arranged on the bracket and is vertically arranged relative to the base;
the upper movable frame body (4) is in sliding fit with the lifting track and can do lifting motion relative to the base in the vertical direction;
the upper pressure plate (5) is rotatably arranged on the lower side surface of the upper movable frame body;
the mandrel (6) is vertically arranged relative to the base, and the upper end of the mandrel is in power connection with the upper pressure plate and is used for realizing linkage of the upper pressure plate and the mandrel;
the expansion dies (7) are arranged on the outer edge of the upper pressure plate and can slide on the upper pressure plate along the radial direction of the upper pressure plate, at least three expansion dies are arranged, and all the expansion dies are arranged around the circle center of the upper pressure plate at equal intervals;
the first power device (8) is used for providing mold expansion power, the first power device is fixedly arranged on the upper movable frame body, and the first power device is used for driving the mold expansion to move and transmitting the mold expansion power provided by the first power device to a part to be processed by the mold expansion;
the lower pressing plate (9) is rotatably arranged on the base, the circle center of the lower pressing plate and the circle center of the upper pressing plate are coaxially arranged in the vertical direction relative to the base, and the lower pressing plate can be connected with the bottom end of the mandrel and used for transmitting rotary driving force and enabling the upper pressing plate and the lower pressing plate to synchronously rotate;
the second power device (10) is in power connection with the lower pressure plate and is used for driving the lower pressure plate, the mandrel and the upper pressure plate to synchronously rotate;
and the third power device (11) is fixedly arranged relative to the base, and is in power connection with the upper movable frame body, and is used for driving the first power device, the upper pressure plate and the mandrel to synchronously lift through the upper movable frame body.
2. The novel spin riveting machine for inner tub of washing machine as claimed in claim 1,
the upper movable frame body comprises an installation plate which is arranged in parallel with the lower pressure plate, one end of the installation plate is provided with a sliding block, and the sliding block is in sliding fit with the lifting track;
and forming a heavy-load track system by the sliding block and the lifting track.
3. The novel spin riveting machine for inner tub of washing machine as claimed in claim 2,
the lifting track is provided with two, two the lifting track is parallel and the interval sets up on the support.
4. The novel spin riveting machine for inner tub of washing machine as claimed in claim 2,
the first power device is fixedly arranged on the upper side face of the mounting plate and comprises a telescopic shaft, and the telescopic direction of the telescopic shaft is parallel to the axis of the circle center of the upper pressure plate and the axis of the circle center of the lower pressure plate;
the expansion die is characterized in that a first building block is arranged at the shaft end of the telescopic shaft, a first inclined surface is arranged on the first building block, a second building block is arranged on one side, close to the circle center of the upper pressure plate, of the expansion die, a second inclined surface in sliding fit with the first inclined surface is arranged on the second building block, and the first inclined surface is in sliding contact with the second inclined surface to achieve steering of the expansion die power.
5. The novel spin riveting machine for inner barrel of washing machine as claimed in claim 4, characterized in that,
the first inclined plane has an inclination angle of 45 ° with respect to the base.
6. The novel spin riveting machine for inner tub of washing machine as claimed in claim 1,
the expansion die is provided with eight flaps, and the eight flaps can form an inner lining die with an annular structure on the upper side surface of the upper pressure plate in a contraction limit state;
and when the expansion die moves outwards along the radial direction to the limit state, the outer edge of the expansion die protrudes relative to the outer edge of the upper pressure plate.
7. The novel spin riveting machine for inner tub of washing machine as claimed in any one of claims 1 to 6,
a square spigot (12) is arranged at the circle center of the lower pressure plate;
the lower end of the mandrel is provided with a square tenon structure (13) matched with the square spigot in shape.
8. The novel spin riveting machine for inner barrel of washing machine as claimed in claim 7,
and a step stopping ring (14) is arranged on the upper part of the square tenon structure, and the lower side surface of the step stopping ring is an arc-shaped surface which protrudes downwards along the axis direction of the mandrel.
9. The novel spin riveting machine for inner barrel of washing machine as claimed in claim 2,
two sides of the mounting plate are respectively provided with a vertically arranged reinforcing plate, a vertically arranged middle plate is arranged between the two reinforcing plates, and the sliding block is arranged on the middle plate;
the mounting panel the reinforcing plate and the intermediate plate are all made of the same metal plate.
10. The novel spin riveting machine for inner barrel of washing machine as claimed in claim 1,
the first power device is a cylinder;
the second power device is a servo motor;
the third power device is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221734780.9U CN218395507U (en) | 2022-07-08 | 2022-07-08 | Novel spin riveting machine for inner barrel of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221734780.9U CN218395507U (en) | 2022-07-08 | 2022-07-08 | Novel spin riveting machine for inner barrel of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218395507U true CN218395507U (en) | 2023-01-31 |
Family
ID=85011346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221734780.9U Active CN218395507U (en) | 2022-07-08 | 2022-07-08 | Novel spin riveting machine for inner barrel of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218395507U (en) |
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2022
- 2022-07-08 CN CN202221734780.9U patent/CN218395507U/en active Active
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