CN110549191B

CN110549191B - Hardware plastic product flash cutting device

Info

Publication number: CN110549191B
Application number: CN201910871092.3A
Authority: CN
Inventors: 盛时永; 徐志强
Original assignee: Hangzhou Greit Tools Co ltd
Current assignee: Hangzhou Greit Tools Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2021-01-15
Anticipated expiration: 2039-09-16
Also published as: CN110549191A

Abstract

The invention relates to a trimming device for a hardware plastic product, which comprises a workbench, an expanding device, a transmission device and an edge grinding device, the middle part of the workbench is provided with an expanding device, the upper end of the expanding device is provided with an edge grinding device, the edge grinding device is evenly distributed along the circumferential direction of the expanding device, the upper end surface of the workbench is provided with a transmission device, the transmission device is connected with the expanding device in a sliding fit way, and the transmission device is positioned below the edge grinding device, the invention can solve the problems that when the prior metal plastic product is trimmed, when getting rid of hardware and plastic products's overlap, can neglect the overlap of hardware and plastic products corner usually, only fix and grind certain face, lead to cleaing away not in place, adopt hard tools such as grinding sword to have great damage to hardware and plastic products surface simultaneously.

Description

Hardware plastic product flash cutting device

Technical Field

The invention relates to the field of cutting machinery, in particular to a device for cutting flashes of hardware and plastic products.

Background

Hardware, early multi-purpose gold, silver, copper, iron, tin and other metal materials were made, so it is famous that, now, in addition to using various metal materials, also widely using plastics, glass fiber and other non-metal materials, the flashing is also called as flash, burr, etc., mostly occurs on the parting and joining position of the mould, such as parting surface of the moving mould and the static mould, the sliding fit part of the slide block, the clearance of the insert, the hole of the ejector pin, etc., generally speaking, because of the influence of various factors, it is impossible that the hardware plastic product absolutely does not produce the flashing, nowadays, usually, mechanical grinding, chemical, electrolytic and other methods are used to remove the flashing on the hardware plastic product, however, the following problems can occur in the process of removing the flashing of the hardware plastic product by using mechanical grinding method:

1. when the flashes of the hardware plastic product are removed, the flashes at the corners of the hardware plastic product are usually ignored, only a certain surface is fixedly ground, so that the removal is not in place, meanwhile, hard tools such as a grinding knife and the like are adopted to greatly damage the surface of the hardware plastic product, the grinding tool is loosely contacted with the hardware plastic product, so that the phenomenon that part of the positions are not ground occurs, and the grinding effect is poor;

2. in general, for the grinding devices, different grinding devices are required to be used when the metal plastic products with different sizes are subjected to flash processing aiming at the metal plastic products with the same size and type, so that the processing cost and the processing steps are increased, and resources are wasted to a certain extent.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that when the existing metal plastic product is trimmed, the burrs at the corners of the metal plastic product are usually ignored, only a certain surface is fixedly ground, and the removal is not in place, and meanwhile, hard tools such as a grinding cutter and the like are adopted to greatly damage the surface of the metal plastic product, so that the metal plastic product is loosely contacted with the metal plastic product in the grinding process, part of the metal plastic product is not ground, and the grinding effect is poor.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme that the hardware plastic product flash cutting device comprises a workbench, an expanding device, a transmission device and an edge grinding device, wherein the expanding device is arranged in the middle of the workbench, the edge grinding device is installed at the upper end of the expanding device and is uniformly distributed along the circumferential direction of the expanding device, the transmission device is arranged on the upper end face of the workbench, the transmission device is connected with the expanding device in a sliding fit mode, and the transmission device is positioned below the edge grinding device.

The expansion device comprises a base, a motor, a circular plate, a circular platform, a sliding rod, a connecting rod, a first fastening block, a telescopic shaft and a second fastening block, wherein the base is installed at the lower end of a workbench, the motor is installed in the middle of the upper end face of the base, a sliding fit mode is adopted between a motor output shaft and the workbench, the circular plate is arranged above the motor, an inner groove is formed in the outer side of the lower end face of the circular plate, gear teeth are uniformly distributed on the side wall of the inner groove along the circumferential direction, threaded holes are formed in the inner side of the lower end face of the circular plate and are uniformly distributed along the circumferential direction of the circular plate, the first fastening block is installed on the outer side of the upper end of the motor output shaft, the first fastening block is uniformly distributed along the circumferential direction of the motor output shaft, the telescopic shaft is installed at the lower end of the circular platform, the second fastening block is installed at the lower, the sliding fit mode is adopted between the circular table and the circular plate, the sliding rods are arranged on the circular plate in the sliding fit mode and are uniformly distributed along the circumferential direction of the circular plate, one end of each connecting rod is connected with the circular table, the other end of each connecting rod is connected with the corresponding sliding rod, the connecting rods are uniformly distributed along the circumferential direction of the upper end face of the circular table, when the machine works, the telescopic shafts are pulled down manually until the telescopic shafts are attached to the upper end face of an output shaft of a motor, meanwhile, screws are screwed, the circular tables are driven by the motor to rotate clockwise, the connecting rods are driven by the connecting rods to slide inwards to perform contraction movement, when the circular tables are driven by the motor to rotate anticlockwise, the sliding rods slide outwards to perform abduction movement, the diameter size of a circle formed by the edge grinding device is further regulated and controlled, the machine is convenient, until the upper end face of the second fastening block is attached to the lower end face of the circular plate, the second fastening block is fixed to the lower end of the circular plate through screws, and the phenomenon that the circular plate rotates relative to the circular table when the circular plate rotates is avoided.

The transmission device comprises mounting seats, a worm, a rocking wheel, a rotating shaft, a worm wheel, a supporting shaft and gears, wherein the mounting seats are symmetrically arranged on the left side and the right side of the upper end surface of the workbench, the mounting seats are positioned on the rear side of a motor output shaft, the two mounting seats are connected through the worm, the rocking wheel is arranged at the left end of the worm, the rotating shaft is symmetrically arranged on the left side and the right side of the upper end surface of the workbench, the lower end surface of the rotating shaft is connected with the upper end surface of the workbench through a bearing, the gear is arranged at the upper end of the rotating shaft, the gear is connected with gear teeth at the lower end of the circular plate through a sliding fit mode, the rotating shaft is positioned on the front side of the mounting seats, the worm wheel is arranged at the lower end of the rotating shaft, the worm wheel is connected with the worm through a sliding fit mode, the lower end surface of the supporting, rotate through artifical mode and shake the wheel and drive the worm and rotate, the worm drives the pivot through the worm wheel and rotates, the gear rotates along with the pivot is synchronous, and through cooperateing with the teeth of a cogwheel and drive the plectane and rotate in step, the round platform all rotates along with the plectane is synchronous, and then drive the edging device and rotate, carry out the in-process of cutting edge at the edging device to hardware and plastic products, artifical messenger shakes the wheel and carries out the clockwise round, the reciprocal rotation of anticlockwise round, and then make the edging device carry out synchronous rotation, improve the effect of grinding off the overlap, it puts in place more to make the grinding off the clearance.

The edge grinding device comprises a U-shaped table, a tight pasting plate, rectangular convex blocks, a pressing plate, a push rod, a buckle, a rolling shaft and abrasive paper, wherein the U-shaped table is arranged on the upper end surface of a sliding rod in a threaded connection mode, an arc groove is formed in the concave end surface of the U-shaped table, the tight pasting plate is symmetrically arranged on the inner wall of the arc groove from top to bottom in a sliding fit mode, I-shaped grooves are symmetrically formed in the upper end surface and the lower end surface of the inner side end surface of the U-shaped table, the rectangular convex blocks are equidistantly arranged on the two side walls of the I-shaped grooves from outside to inside, the pressing plate is arranged on the outer side of the rectangular convex block in the I-shaped groove in the upper end of the U-shaped table, the push rods are symmetrically arranged on the outer side end surface of the pressing plate, the sliding fit mode is adopted between the push rods and the U-shaped table, the rolling shaft is in a structure of being arranged at equal intervals from outside to inside, the rolling shaft and the U-shaped platform are in a sliding fit mode, the abrasive paper is connected with the rolling shaft in a sliding fit mode, the end surfaces of the two sides of the rolling shaft are provided with square blocks, the side wall of the lower end of the I-shaped groove is provided with a rectangular through groove, the square blocks and the rectangular through groove are in a sliding fit mode, when the abrasive paper is in specific work, the hardware plastic products are manually placed on the U-shaped platforms, the diameter size of a circle formed between the U-shaped platforms is adjusted by the expanding device until the diameter of the circle is equal to the diameter of the hardware plastic products, the buckle is loosened through the manual mode to promote the clamp plate through the push rod and move towards the roller bearing direction, the clamp plate promotes the roller bearing and moves together with abrasive paper until the abrasive paper outside contacts with hardware plastic products, artifical chucking buckle, transmission work, and the overlap of abrasive paper on to hardware plastic products is ground.

As a preferable technical scheme of the invention, the outer end of the sliding rod is provided with an arc block, the radian of the arc is consistent with that of the circular plate, the end surface of the inner side of the arc block is provided with a rubber layer, the arc block increases the contact area between the edge grinding device and the sliding rod, the stability of the edge grinding device is improved, the edge grinding device is supported, and the rubber block plays a role in buffering and damping when the sliding rod slides inwards to touch the side surface of the circular plate.

As a preferred technical scheme of the invention, a fixed shaft is arranged on the inner side end face of the clinging plate through a bearing, a circular inner groove is formed in the fixed shaft, an elastic buckle is arranged in the circular inner groove, the inner side of the elastic buckle is clinging to the outer side face of the U-shaped table, the elastic buckle plays a role in fixing the clinging plate, the phenomenon that the fixed plate moves horizontally is avoided, and meanwhile, the elastic buckle is convenient for manual operation.

As a preferable technical scheme, the outermost side end of the fixed shaft is of a pointed end structure, the pointed end structure can easily penetrate through the abrasive paper, the plate is tightly attached to enable the abrasive paper to be attached to the arc groove surface, the contact area between the abrasive paper and hardware and plastic products is increased, and the effect of removing burrs is improved.

According to a preferable technical scheme of the invention, the close attaching plate is a thin steel plate, abrasive paper is arranged on the outer side surface of the close attaching plate, and the abrasive paper is used for performing auxiliary edge grinding treatment on the contact part between the hardware plastic product and the close attaching plate.

As a preferred technical scheme of the invention, a square groove is formed in the inner side wall of the rectangular convex block, one end of the telescopic rod is connected with the side wall of the square groove, the other end of the telescopic rod is connected with the telescopic block, the telescopic block plays a role in supporting the roller in the original state, the telescopic block retracts into the square groove under the action of the telescopic rod at the moment when the pressing plate at the upper end of the U-shaped table pushes the roller to move, and when the roller is separated from the telescopic block, the telescopic block rebounds to the original state.

As a preferred technical scheme of the invention, the U-shaped table is of a two-section structure, the outer side surfaces of the upper U-shaped table and the lower U-shaped table are respectively provided with a rectangular convex plate, the two rectangular convex plates are connected through a fastening bolt, the two ends of the lower end surface of the upper U-shaped table are symmetrically provided with an upright post, the upper end surface of the lower U-shaped table is provided with a circular groove, and the upright posts and the circular grooves are in a sliding fit mode.

(III) advantageous effects

According to the trimming device for the hardware plastic products, the trimming of the hardware plastic products is ground by adopting an adjustable multi-directional design concept, so that the trimming device is suitable for hardware plastic products with different sizes, the working efficiency is improved, the utilization rate of the device is improved to a greater extent, the ground area of the hardware plastic products is increased by adopting an edge grinding device, and the grinding effect is improved;

1. the edge grinding device provided by the invention is used for carrying out non-hard grinding on the flash on the hardware plastic product, so that the damage to the surface of the hardware plastic product is reduced, the contact between abrasive paper and the surface of the hardware plastic product is firmer by adopting the pressing plate, the grinding effect is improved, and the grinding is more in place;

2. the U-shaped platform increases the ground area of the hardware plastic product, takes the flash at the corner of the hardware plastic product into consideration, and enables the cleaning to be more comprehensive;

3. the expansion device can adapt to hardware and plastic products with different radial sizes, is convenient for workers to operate, improves the utilization rate of equipment, increases the bearing area of the sliding rod due to the arrangement of the arc blocks, improves the stability of the edge grinding device, and reduces the possibility of shaking of the edge grinding device in the grinding process.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 according to the present invention in the X direction;

FIG. 5 is an enlarged view of a portion of the invention in the Y-direction of FIG. 1;

FIG. 6 is an enlarged view of the N-direction portion of FIG. 3 in accordance with the present invention;

FIG. 7 is an enlarged view of the M-direction portion of FIG. 2 in accordance with the present invention;

FIG. 8 is an enlarged view of the invention in the Z-direction of FIG. 3;

fig. 9 is a schematic plan view of the circular plate, gear, telescopic shaft and second fastening block of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

As shown in fig. 1 to 9, a five metals plastic products overlap cutting device, including workstation 1, extension device 2, transmission 3 and edging device 4, the middle part of workstation 1 be provided with extension device 2, edging device 4 is installed to extension device 2's upper end, edging device 4 evenly arranges along extension device 2 circumference, the up end of workstation 1 is provided with transmission 3, is connected through sliding fit mode between transmission 3 and the extension device 2, and transmission 3 is located edging device 4's below.

The expansion device 2 comprises a base 21, a motor 22, a circular plate 23, a circular table 24, a sliding rod 25, a connecting rod 26, a first fastening block 27, a telescopic shaft 28 and a second fastening block 29, wherein the base 21 is installed at the lower end of the workbench 1, the motor 22 is installed in the middle of the upper end face of the base 21, a sliding fit mode is adopted between an output shaft of the motor 22 and the workbench 1, the circular plate 23 is arranged above the motor 22, an inner groove is formed in the outer side of the lower end face of the circular plate 23, gear teeth are uniformly distributed on the side wall of the inner groove along the circumferential direction, threaded holes are formed in the inner side of the lower end face of the circular plate, the threaded holes are uniformly distributed along the circumferential direction of the circular plate, the first fastening block 27 is installed on the outer side of the upper end of the output shaft of the motor 22, the first fastening blocks 27 are uniformly distributed along the circumferential direction of the output shaft of the motor, the telescopic shaft 28 is, the first fastening block 27 and the second fastening block 29 are connected in a screw connection mode, the circular truncated cone 24 and the circular plate 23 are in a sliding fit mode, the circular plate 23 is provided with a sliding rod 25 in a sliding fit mode, the sliding rods 25 are uniformly distributed along the circumferential direction of the circular plate 23, one end of the connecting rod 26 is connected with the circular truncated cone 24, the other end of the connecting rod 26 is connected with the sliding rod 25, and the connecting rods 26 are uniformly distributed along the circumferential direction of the upper end face of the circular truncated cone 24; the outer end of the sliding rod 25 is provided with an arc block, the radian of the arc is consistent with that of the circular plate 23, the end face of the inner side of the arc block is provided with a rubber layer, the arc block increases the contact area between the edge grinding device 4 and the sliding rod 25, the stability of the edge grinding device 4 is improved, the edge grinding device 4 is supported, and when the sliding rod 25 slides inwards to touch the side face of the circular plate 23, the rubber block plays a role in buffering and damping; during specific work, the telescopic shaft 28 is pulled down manually until the telescopic shaft is attached to the upper end face of an output shaft of the motor 22, screws are tightened simultaneously, the motor 22 drives the circular table 24 to rotate clockwise, the circular table 24 drives the connecting rod 26 to rotate synchronously, the connecting rod 26 drives the sliding rod 25 to slide inwards to perform contraction movement, when the motor 22 drives the circular table 24 to rotate anticlockwise, the sliding rod 25 slides outwards to perform abduction movement, the diameter size of a circle formed by the edge grinding device 4 is regulated and controlled, the telescopic shaft is convenient to adapt to hardware plastic products with different diameter sizes, when the motor 22 does not need to work, the screws are loosened manually and the telescopic shaft 28 retracts until the upper end face of the second fastening block 29 is attached to the lower end face of the circular plate 23, the second fastening block 29 is fixed to the lower end of the circular plate 23 through the screws, and the phenomenon that the circular table 24 and the.

The transmission device 3 comprises mounting seats 31, a worm 32, a rocking wheel 33, a rotating shaft 34, a worm wheel 35, a supporting shaft 36 and a gear 37, wherein the mounting seats 31 are symmetrically mounted at the left side and the right side of the upper end surface of the workbench 1, the mounting seats 31 are positioned at the rear side of an output shaft of the motor 22, the two mounting seats 31 are connected through the worm 32, the rocking wheel 33 is arranged at the left end of the worm 32, the rotating shaft 34 is symmetrically mounted at the left side and the right side of the upper end surface of the workbench 1, the lower end surface of the rotating shaft 34 is connected with the upper end surface of the workbench 1 through a bearing, the gear 37 is mounted at the upper end of the rotating shaft 34, the gear 37 is connected with gear teeth at the lower end of the circular plate 23 through a sliding fit mode, the rotating shaft 34 is positioned at the front side of the mounting seats 31, the worm wheel 35 is mounted at the lower end of the rotating shaft 34, the worm wheel 35 is connected, the up end of back shaft 36 passes through the bearing and links to each other with the lower terminal surface of plectane 23, concrete during operation, it rotates to shake wheel 33 and drives worm 32 through artifical mode and rotate, worm 32 drives pivot 34 through worm wheel 35 and rotates, gear 37 rotates along with pivot 34 synchronization, and through cooperating with the teeth of a cogwheel and drive plectane 23 synchronization rotation, round platform 24 all rotates along with plectane 23 synchronization with slide bar 25, and then drive edging device 4 and rotate, in the in-process of edging device 4 to the hardware and plastic products cutting edge, artifical messenger shakes wheel 33 and carries out the round of clockwise rotation, the round reciprocating rotation of anticlockwise rotation, and then makes edging device 4 carry out synchronization rotation, improve the effect of the flash of grinding, make the clearance of grinding more in place.

The edge grinding device 4 comprises a U-shaped table 41, a clinging plate 42, a rectangular convex block 43, a pressing plate 44, a push rod 45, a buckle 46, a rolling shaft 47 and abrasive paper 48, wherein the U-shaped table 41 is installed on the upper end surface of a sliding rod in a threaded connection mode, an arc groove is formed in the concave end surface of the U-shaped table 41, the clinging plate 42 is installed on the inner wall of the arc groove in a vertical symmetry mode in a sliding fit mode, I-shaped grooves are formed in the inner side end surface of the U-shaped table 41 in a vertical symmetry mode, the rectangular convex blocks 43 are arranged on the two side walls of the I-shaped grooves from outside to inside at equal intervals, the pressing plate 44 is arranged on the outer side of the rectangular convex block 43 in the I-shaped groove in the upper end of the U-shaped table 41, the push rod 45 is symmetrically installed on the outer side end surface of the pressing plate 44, the sliding fit mode is formed, two rectangular convex blocks 43 are provided with rectangular grooves, the right opposite rectangular grooves are connected through a rolling shaft 47, the rolling shaft 47 is of an equidistance arrangement structure from outside to inside, a sliding fit mode is adopted between the rolling shaft 47 and the U-shaped table 41, the abrasive paper 48 is connected with the rolling shaft 47 through a sliding fit mode, square blocks are arranged on the end surfaces of two sides of the rolling shaft 47, the side wall of the lower end of the I-shaped groove is provided with a rectangular through groove, a sliding fit mode is adopted between the square blocks and the rectangular through groove, in the specific work process, the hardware plastic product is placed on the U-shaped table 41 through a manual mode, the diameter size of a circle formed between the U-shaped tables 41 is adjusted through the expansion device 2 until the diameter of the circle is equal to the diameter of the hardware plastic product, the buckle 46 is loosened through the manual mode, the pressing plate 44 is pushed by the push rod 45 to move towards the rolling shaft 47, the, the buckle 46 is manually clamped, the transmission device 3 works, and the sand paper 48 grinds the flash on the hardware and the plastic products.

Hug closely and install fixed axle 421 through the bearing on the medial surface of board 42, seted up circular inner groovy on the fixed axle 421, circular inner groovy is provided with elasticity and detains 422, elasticity is detained 422's inboard and is hugged closely with the lateral surface of U type platform 41, elasticity is detained 422 and is played the fixed action to hugging closely board 42, avoids fixed plate horizontal migration's phenomenon to appear, elasticity is detained 422 and is made things convenient for the manual work to operate simultaneously.

The outermost side end of fixed axle 421 be the prong structure, the tip structure can easily pass abrasive paper 48, and then tightly paste board 42 and make abrasive paper 48 paste in circular arc groove face, increase the area of contact between abrasive paper 48 and the hardware and plastic products, improve the effect of the deburring.

Hug closely board 42 be the sheet steel, and hug closely and be provided with the abrasive paper on the lateral surface of board 42, the abrasive paper is to hardware plastic products and hug closely the supplementary edging of contact site between board 42 and handle.

Rectangular lug 43's the inside wall on seted up square groove, telescopic link 431's one end links to each other with the lateral wall in square groove, telescopic link 431's the other end links to each other with flexible piece 432, under the pristine condition, flexible piece 432 plays the supporting role to roller 47, in the twinkling of an eye that clamp plate 44 of U type platform 41 upper end promoted roller 47 motion, flexible piece 432 is back to square inslot and is retracted under telescopic link 431's effect, leave mutually with flexible piece 432 when roller 47, flexible piece 432 kick-backs to the pristine condition.

U type platform 41 be two segmentation structures, all install rectangle flange 411 on the lateral surface of upper and lower two sections U type platform 41, connect through fastening bolt 412 between two rectangle flanges 411, stand 413 is installed to the lower terminal surface both ends symmetry of upper segment U type platform 41, circular recess has been seted up on the up end of lower segment U type platform 41, be the sliding fit mode between stand 413 and the circular recess, specific during operation, the manual work is placed hardware plastic products on lower segment U type platform 41, then the manual work is just blocked circular recess downwards with stand 413, the lower extreme and the hardware plastic products upper end of upper segment U type platform 41 are pasted, fastening bolt 412 is screwed up to the manual work, stand 413 blocks the motion downwards to upper segment U type platform 41 and plays the guide effect, and play supplementary fixed action to the connection between two sections U type platform 41, avoid upper segment U type platform 41 to appear rocking phenomenon.

When the device works, the telescopic shaft 28 is pulled down manually until the telescopic shaft is attached to the upper end face of an output shaft of the motor 22, the screws are tightened simultaneously, the motor 22 drives the circular platform 24 to rotate clockwise, the circular platform 24 drives the connecting rod 26 to rotate synchronously, the connecting rod 26 drives the sliding rod 25 to slide inwards to perform contraction movement, or the motor 22 drives the circular platform 24 to rotate anticlockwise, the sliding rod 25 slides outwards to perform abduction movement, the diameter size of a circle formed by the U-shaped platform 41 is regulated and controlled until the diameter size of the circle is slightly larger than the radial size of a hardware plastic product, the hardware plastic product is manually placed on the lower U-shaped platform 41, the sliding rod 25 is moved again by the motor 22 until the hardware plastic product is in a clamped state, then the screws are loosened manually, the telescopic shaft 28 retracts until the upper end face of the second fastening block 29 is attached to the lower end face of the circular plate 23, the second fastening block, the upright column 413 is clamped downwards just opposite to the circular groove in a manual mode until the lower end of the upper section U-shaped table 41 is attached to the upper end of the hardware plastic product, the fastening bolt 412 is screwed down manually, the buckle 46 is loosened manually, the push rod 45 pushes the pressure plate 44 to move towards the roller 47, the pressure plate 44 pushes the roller 47 to move together with the sand paper 48 until the outer side of the sand paper 48 is contacted with the hardware and the plastic product, the buckle 46 is clamped manually, the rocking wheel 33 is rotated manually to drive the worm 32 to rotate, the worm 32 drives the rotating shaft 34 to rotate through the worm wheel 35, the gear 37 rotates along with the rotating shaft 34 synchronously, and drives the circular plate 23 to rotate synchronously by matching with the gear teeth, further drives the U-shaped table 41 to rotate, in the process of grinding the flash of the hardware plastic product by the abrasive paper 48, the rocking wheel 33 is manually rotated clockwise and anticlockwise for one circle to rotate in a reciprocating manner, so that the flash of the hardware plastic product is ground more comprehensively by the abrasive paper 48.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a five metals plastic products overlap cutting device, includes workstation (1), extension device (2), transmission (3) and edging device (4), its characterized in that: the middle part of the workbench (1) is provided with an expanding device (2), the upper end of the expanding device (2) is provided with an edging device (4), the edging devices (4) are uniformly distributed along the circumferential direction of the expanding device (2), the upper end surface of the workbench (1) is provided with a transmission device (3), the transmission device (3) is connected with the expanding device (2) in a sliding fit manner, and the transmission device (3) is positioned below the edging device (4);

the expanding device (2) comprises a base (21), a motor (22), a circular plate (23), a circular table (24), a sliding rod (25), a connecting rod (26), a first fastening block (27), a telescopic shaft (28) and a second fastening block (29), wherein the base (21) is installed at the lower end of the workbench (1), the motor (22) is installed in the middle of the upper end face of the base (21), a sliding fit mode is adopted between an output shaft of the motor (22) and the workbench (1), the circular plate (23) is arranged above the motor (22), an inner groove is formed in the outer side of the lower end face of the circular plate (23), gear teeth are uniformly distributed on the side wall of the inner groove along the circumferential direction, threaded holes are formed in the inner side of the lower end face of the circular plate, the threaded holes are uniformly distributed along the circumferential direction of the circular plate, the first fastening block (27) is installed on the outer side of the upper end of the output shaft of, the lower end of the round table (24) is provided with a telescopic shaft (28), the lower end of the telescopic shaft (28) is provided with a second fastening block (29), the second fastening blocks (29) are uniformly distributed along the axial direction of the telescopic shaft (28), the first fastening block (27) is connected with the second fastening block (29) in a screw connection mode, the round table (24) is in a sliding fit mode with the round plate (23), the round plate (23) is provided with a sliding rod (25) in a sliding fit mode, the sliding rod (25) is uniformly distributed along the circumferential direction of the round plate (23), one end of the connecting rod (26) is connected with the round table (24), the other end of the connecting rod (26) is connected with the sliding rod (25), and the connecting rod (26) is uniformly distributed along the circumferential direction of the upper end face of the round table (24;

the transmission device (3) comprises an installation seat (31), a worm (32), a rocking wheel (33), a rotating shaft (34), a worm wheel (35), a supporting shaft (36) and a gear (37), wherein the installation seat (31) is symmetrically installed on the left side and the right side of the upper end face of the workbench (1), the installation seat (31) is positioned on the rear side of an output shaft of the motor (22), the two installation seats (31) are connected through the worm (32), the rocking wheel (33) is arranged at the left end of the worm (32), the rotating shaft (34) is symmetrically installed on the left side and the right side of the upper end face of the workbench (1), the lower end face of the rotating shaft (34) is connected with the upper end face of the workbench (1) through a bearing, the gear (37) is installed at the upper end of the rotating shaft (34), the gear (37) is connected with gear teeth at the lower end of the circular plate (23) in a sliding fit mode, the rotating shaft (34) is positioned on the front, the worm wheel (35) is connected with the worm (32) in a sliding fit mode, a supporting shaft (36) is arranged on the front side of the rotating shaft (34), the lower end face of the supporting shaft (36) is connected with the upper end face of the workbench (1) through a bearing, and the upper end face of the supporting shaft (36) is connected with the lower end face of the circular plate (23) through a bearing;

the edge grinding device (4) comprises a U-shaped table (41), a clinging plate (42), rectangular convex blocks (43), a pressing plate (44), a push rod (45), a buckle (46), a rolling shaft (47) and abrasive paper (48), wherein the U-shaped table (41) is installed on the upper end surface of a sliding rod in a threaded connection mode, an arc groove is formed in the concave end surface of the U-shaped table (41), the clinging plate (42) is vertically and symmetrically installed on the inner wall of the arc groove in a sliding fit mode, I-shaped grooves are vertically and symmetrically formed in the inner side end surface of the U-shaped table (41), the rectangular convex blocks (43) are arranged on two side walls of the I-shaped grooves from outside to inside at equal intervals, the pressing plate (44) is arranged on the outer side of the rectangular convex blocks (43) in the I-shaped grooves in the upper end of the U-shaped table (41), the push rods (45) are symmetrically installed on the outer end surface of the, be provided with buckle (46) on push rod (45), the medial surface and the U type platform (41) lateral surface of buckle (46) are hugged closely, rectangular groove has been seted up between two liang of rectangle lugs (43), link to each other through roller bearing (47) between the just relative rectangle groove, and roller bearing (47) are outside-in equidistance and arrange the formula structure, be sliding fit between roller bearing (47) and U type platform (41), abrasive paper (48) link to each other with roller bearing (47) through sliding fit, install square piece on the both sides terminal surface of roller bearing (47), the logical groove of rectangle has been seted up on the lower extreme lateral wall of I type groove, be sliding fit between square piece and the logical groove of rectangle.

2. The hardware plastic product flash cutting device according to claim 1, characterized in that: the outer end of the sliding rod (25) is provided with an arc block, the radian of the arc is consistent with that of the circular plate (23), and the end face of the inner side of the arc block is provided with a rubber layer.

3. The hardware plastic product flash cutting device according to claim 1, characterized in that: the inner side end face of the tight attaching plate (42) is provided with a fixed shaft (421) through a bearing, the fixed shaft (421) is provided with a circular inner groove, the circular inner groove is provided with an elastic buckle (422), and the inner side of the elastic buckle (422) is tightly attached to the outer side face of the U-shaped table (41).

4. The hardware plastic product flash cutting device according to claim 3, wherein: the outermost side end of the fixed shaft (421) is of a pointed structure.

5. The hardware plastic product flash cutting device according to claim 1, characterized in that: the close attaching plate (42) is a thin steel plate, and abrasive paper is arranged on the outer side face of the close attaching plate (42).

6. The hardware plastic product flash cutting device according to claim 1, characterized in that: the inner side wall of the rectangular convex block (43) is provided with a square groove, one end of the telescopic rod (431) is connected with the side wall of the square groove, and the other end of the telescopic rod (431) is connected with the telescopic block (432).

7. The hardware plastic product flash cutting device according to claim 1, characterized in that: u type platform (41) be two segmentation structures, all install rectangle flange (411) on the lateral surface of upper and lower two sections U type platform (41), connect through fastening bolt (412) between two rectangle flanges (411), stand (413) are installed to the lower terminal surface both ends symmetry of upper segment U type platform (41), seted up circular recess on the up end of hypomere U type platform (41), be sliding fit between stand (413) and the circular recess.