CN114311128B

CN114311128B - Mattress punching equipment

Info

Publication number: CN114311128B
Application number: CN202111578285.3A
Authority: CN
Inventors: 曹泽云; 曹映银
Original assignee: Hunan Goodnight Mattress Co ltd
Current assignee: Hunan Goodnight Mattress Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2023-08-08
Anticipated expiration: 2041-12-22
Also published as: CN114311128A

Abstract

The invention discloses mattress punching equipment, which comprises: the rack is provided with a working table surface, the working table surface is provided with a groove, and the bottom wall of the groove is provided with a plurality of first through holes penetrating up and down; the lifting plate is movably arranged in the groove in a lifting manner and is used for supporting materials, and a second perforation aligned with the first perforation is formed in the lifting plate; the knife board is positioned above the lifting plate and is connected with a driving mechanism for driving the knife board to lift; the punching cutters are in one-to-one correspondence with the first perforation, the upper ends of the punching cutters are detachably arranged on the cutter plate and can lift along with the cutter plate to extend into the second perforation so as to punch the materials supported on the lifting plate; the pre-tightening plate is installed below the cutting plate in a lifting and movable mode, a third perforation aligned with the first perforation is arranged, the third perforation is used for allowing a punching cutter to pass through, and a first pressure spring is arranged between the pre-tightening plate and the cutting plate. According to the invention, the pre-tightening plate is used for pre-tightening the material, so that the position of the pre-tightening plate is stable in the punching process, large deformation is not easy to generate, and the punching precision is improved.

Description

Mattress punching equipment

Technical Field

The invention relates to mattress production and processing equipment, in particular to mattress punching equipment.

Background

Along with the higher and higher living standard of people, people increasingly pursue more comfortable sleeping environments so as to ensure sleeping quality and body function health. Mattresses are widely accepted and used as a primary sleeping product due to their good comfort.

In the production process of some mattresses, the layered materials filled in the mattress or the mattress itself need to be punched to ensure ventilation or provide deformation space for deformation or provide space for filling springs, so that the comfort of the mattress is improved. However, the layered materials in the mattress or the mattress itself are softer, the deformability is stronger, and the peripheral positions of the hole sites are wrinkled and deformed in the punching process, so that the punching is inaccurate.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the mattress punching equipment provided by the invention can be used for prepressing materials in the punching process, so that the mattress punching equipment is stable in position, is not easy to generate large deformation, and improves punching precision.

According to an embodiment of the first aspect of the invention, a mattress perforation device comprises: the machine frame is provided with a workbench surface, the workbench surface is provided with a groove, and the bottom wall of the groove is provided with a plurality of first through holes penetrating up and down; the lifting plate is movably arranged in the groove in a lifting manner and used for supporting materials, and is provided with a second perforation aligned with the first perforation; the knife board is positioned above the lifting plate and is connected with a driving mechanism for driving the knife board to lift, and the driving mechanism is arranged on the frame; the punching cutters are in one-to-one correspondence with the first perforation, the upper ends of the punching cutters are detachably arranged on the cutter plate and can lift along with the cutter plate to extend into the second perforation so as to punch the materials supported on the lifting plate; the pre-tightening plate is arranged below the cutting plate in a lifting and movable mode, a third perforation aligned with the first perforation is arranged on the pre-tightening plate, the third perforation is used for allowing a punching cutter to pass through, and a first pressure spring is arranged between the pre-tightening plate and the cutting plate.

According to the mattress punching equipment provided by the embodiment of the invention, at least the following technical effects are achieved: the groove can limit the material to a certain extent, the deformation space of the material is reduced, when the cutter plate moves downwards, the pre-tightening plate is contacted with the material firstly, and the cutter plate compresses the first pressure spring along with the continuous descending of the cutter plate, so that the pre-tightening plate is continuously increased in pressure, the pre-tightening plate gradually compresses the mattress, and then the punching cutter penetrates through the material and the third perforation and stretches into the second perforation to complete punching operation; in addition, the lifting plate can lift up and down, so that punched materials can be lifted up, and blanking is facilitated; according to the invention, the pre-tightening plate is used for pre-tightening the material, so that the position of the pre-tightening plate is stable in the punching process, large deformation is not easy to generate, and the punching precision is improved.

According to some embodiments of the invention, the pre-tightening plate is provided with a first guide post extending upwards, the upper end of the first guide post penetrates through the knife plate and is connected with a first nut, and the first pressure spring is sleeved on the first guide post.

According to some embodiments of the invention, the punching machine further comprises a needle column plate fixedly mounted on the frame, wherein the center of the punching cutter is provided with a center hole penetrating up and down, and the cutter plate is provided with a mounting hole for mounting the punching cutter and penetrating up and down; the bottom of the needle post plate is provided with a jack post corresponding to the central hole of the punching cutter, and the cutter plate can be lifted until the jack post is inserted into the central hole of the punching cutter so as to eject the residual materials in the central hole out of the punching cutter.

According to some embodiments of the present invention, when the first nut abuts against the knife board, a gap is formed between the upper surface of the pre-tightening board and the punching cutter, so that the residual material ejected by the ejection column can fall onto the upper surface of the pre-tightening board, the upper surface of the pre-tightening board is inclined downward toward the rear side, the rear side of the rack is fixedly provided with a back board, the back board is provided with a collecting opening, the front side of the collecting opening is provided with a collecting inclined board, and the front side of the pre-tightening board is provided with an air pipe fixedly installed on the rack; when the cutter plate rises to the end of the stroke, the collecting inclined plate is in butt joint with the inclined side of the pre-tightening plate so as to guide the residual materials into the collecting opening, and the air pipe is connected with an air source so as to blow the residual materials falling to the pre-tightening plate to the collecting inclined plate.

According to some embodiments of the invention, a blocking cover with a downward opening is arranged at the rear side of the collecting opening, and a residue collecting box is arranged below the blocking cover.

According to some embodiments of the invention, a penetrating column is arranged at the bottom of the lifting plate, a hole site for the penetrating column to penetrate is arranged at the bottom of the groove, a linkage piece is connected to the bottom of the penetrating column, the linkage piece extends to the upper part of the cutting plate, and in the lifting process of the cutting plate, the linkage piece can be contacted with the linkage piece to drive the linkage piece and the lifting plate to lift; when the knife board rises to the end of the travel, the lifting board rises to a position which is flush with or higher than the working table surface.

According to some embodiments of the invention, the linkage comprises a chassis and a vertical rod, wherein a threaded column is arranged at the bottom of the threaded column, penetrates through the chassis and is connected with a fastening nut; the vertical rod is connected with the chassis and upwards extends from the side part of the workbench surface to cross the knife board, an abutting plate horizontally extending towards the knife board is arranged at the upper end of the vertical rod, and the abutting plate is located above the knife board and used for abutting against the knife board.

According to some embodiments of the invention, a second guide post is vertically movably arranged on the abutting plate in a penetrating manner, a second nut is connected to the upper end of the second guide post in a threaded manner, the lower end of the second guide post penetrates through the abutting plate and is connected with an abutting block, a second pressure spring is sleeved on the second guide post, and the second pressure spring is located between the abutting plate and the abutting block.

According to some embodiments of the invention, the device further comprises a bottom box, the bottom box is located below the first perforation, the bottom box is provided with a guide cylinder, the guide cylinder is provided with a guide hole extending vertically, a third guide post is inserted into the guide hole, the upper end of the third guide post is provided with a conical head, the third guide post is sleeved with a third pressure spring, and the third pressure spring is located between the conical head and the guide cylinder.

According to some embodiments of the invention, the guide cylinder is provided with a kidney-shaped hole penetrating through the guide cylinder, the third guide post is provided with a limit screw in a penetrating way through radial threads, and the limit screw is partially inserted into the kidney-shaped hole and can vertically move along the kidney-shaped hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a mounting structure of an embodiment of the present invention;

FIG. 2 is an exploded view of the mounting of the frame, lifter plate and linkage;

FIG. 3 is a cross-sectional view of the blade as it rises to the end-of-travel condition;

fig. 4 is a schematic view of a state during lowering of the blade;

FIG. 5 is an enlarged view at A of FIG. 4;

FIG. 6 is a schematic view showing an exploded state of the knife plate and the punching blade;

FIG. 7 is a schematic view of an exploded view of a punch blade and a stop;

FIG. 8 is a partially schematic exploded view of the upper blade and punch blade;

FIG. 9 is a schematic view of the structure of the cartridge in an intermediate state;

fig. 10 is a schematic view of the structure of the bottom case.

Reference numerals:

the device comprises a frame 100, a groove 110, a first perforation 111, a back plate 120, a collecting opening 121, a collecting inclined plate 122, a transverse top plate 130, a driving mechanism 131, a guide cylinder 132, an abutting plate 140, a bottom box 150, a guide cylinder 151, a guide hole 152, a kidney-shaped hole 153, a baffle cover 160, a residue collecting box 170, a conical head 180, a third guide pillar 181, a third pressure spring 182, a limit screw 183 and an air pipe 190;

lifting plate 200, second perforation 210, threading column 220, threaded column 230, and fastening nut 240;

the knife board 300, the upper knife board 310, the first through hole 311, the circular arc groove 312, the accommodating space 3121, the first notch 313, the second notch 314, the annular groove 315, the caulking groove 316, the lower knife board 320, the second through hole 321, the third notch 322, the fourth notch 323, the limiting piece 330, the inner hole 331, the connecting part 332, the hook block 333, the limiting post 334, the clamping block 340, the lifting post 341, the spring 342, the limiting nut 343, the limiting bump 344 and the vertical post 350;

punching knife 400, clamping block 410 and limit slot 411;

the pre-tightening plate 500, the third perforation 510, the first guide post 520, the first nut 521 and the first compression spring 530;

a spike plate 600, a spike 610;

the linkage 700, the underframe 710, the vertical rod 720, the abutting plate 721, the second guide pillar 722, the abutting block 723, the second pressure spring 724 and the second nut 725.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. 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 being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 10, a mattress punching apparatus according to an embodiment of the present invention includes a frame 100, a lifting plate 200, a knife plate 300, a punching knife 400, and a pre-tightening plate 500.

The frame 100 is provided with a working table surface, the working table surface is provided with a groove 110, and the bottom wall of the groove 110 is provided with a plurality of first through holes 111 penetrating up and down; the lifting plate 200 is installed in the groove 110 in a lifting and movable mode, the lifting plate 200 is used for supporting materials, and the lifting plate 200 is provided with a second perforation 210 aligned with the first perforation 111; the knife board 300 is positioned above the lifting board 200, the knife board 300 is connected with a driving mechanism 131 for driving the knife board to lift, and the driving mechanism 131 is arranged on the frame 100; the punching knives 400 are in one-to-one correspondence with the first perforation 111, the upper ends of the punching knives 400 are detachably arranged on the knife board 300, and the punching knives 400 can be lifted along with the knife board 300 to extend into the second perforation 210 so as to punch the materials supported on the lifting board 200; the pre-tightening plate 500 is installed below the knife plate 300 in a lifting and movable mode, the pre-tightening plate 500 is provided with a third through hole 510 aligned with the first through hole 111, the third through hole 510 is used for the punching knife 400 to pass through, and a first pressure spring 530 is arranged between the pre-tightening plate 500 and the knife plate 300.

According to the mattress punching equipment provided by the invention, the groove 110 can limit materials to a certain extent, the deformation space of the material is reduced, the pre-tightening plate 500 is firstly contacted with the materials when the knife plate 300 moves downwards, the knife plate 300 compresses the first pressure spring 530 along with the continuous descending of the knife plate 300, the pre-tightening plate 500 is continuously pressurized to gradually compress the mattress, then the punching knife 400 passes through the materials and the third perforation 510 and stretches into the second perforation 210, the punching operation is finished, the first perforation 111 can be penetrated by the punching knife 400, structural collision and interference are avoided, and in addition, the pressed chips can fall from the first perforation 111. In addition, the lifting plate 200 can lift up the punched material, so that the blanking is convenient; the pre-tightening plate 500 is utilized to pre-tighten the materials, so that the position of the pre-tightening plate is stable in the punching process, large deformation is not easy to generate, and the punching precision is improved.

The blade 300 has an ascending stroke end position and a descending stroke end position, and the blade 300 reciprocates at both positions. The drive mechanism 131 is typically a hydraulic cylinder that drives the knife board 300 up and down to reciprocate and provide sufficient punching force.

Referring to fig. 1 and 4, in some embodiments of the present invention, the pre-tightening plate 500 is provided with a first guide post 520 extending upward, the upper end of the first guide post 520 passes through the knife plate 300 and is connected with a first nut 521, and a first compression spring 530 is sleeved on the first guide post 520. The first guide post 520 provides a guiding function of lifting movement, and provides a better installation position for the first compression spring 530, and the first nut 521 ensures that the first guide post 520 does not separate from the knife board 300.

In some embodiments of the invention, there is also included a spike plate 600 fixedly mounted to the housing 100, the spike plate 600 being located above the knife plate 300. The center of the punching blade 400 is provided with a center hole which penetrates up and down, and the blade 300 is provided with a mounting hole which is used for mounting the punching blade 400 and penetrates up and down; the bottom of the pin plate 600 is provided with a jack post 610 corresponding to the central hole of the punching blade 400, and the blade 300 can be lifted until the jack post 610 is inserted into the central hole of the punching blade 400, so that the residual material in the central hole can be ejected out of the punching blade 400, and the residual material can be automatically discharged without influencing subsequent punching.

Referring to fig. 3, in some embodiments of the present invention, when the first nut 521 abuts against the knife board 300, the upper surface of the pre-tightening plate 500 has a gap with the punching knife 400, so that the residue ejected by the ejection column 610 can fall onto the upper surface of the pre-tightening plate 500, the upper surface of the pre-tightening plate 500 is inclined downward toward the rear side, the rear side of the frame 100 is fixedly provided with the back plate 120, the back plate 120 is provided with the collecting opening 121, the front side of the collecting opening 121 is provided with the collecting inclined plate 122, and the front side of the pre-tightening plate 500 is provided with the air duct 190 fixedly mounted on the frame 100; when the cutter plate 300 is raised to the end of the stroke, the collecting inclined plate 122 is abutted against the inclined side (rear side) of the pretensioning plate 500 to guide the residue into the collecting port 121, and the air duct 190 is connected with an air source to blow the residue dropped to the pretensioning plate 500 toward the collecting inclined plate 122. The cutter plate 300 is lifted up to automatically remove the residual materials remained in the punching cutter 400, and the residual materials falling to the pre-tightening plate 500 are blown to the collecting inclined plate 122 by the air pipe 190 under the action of the inclined upper surface of the pre-tightening plate 500, finally fall from the collecting opening 121 and are discharged out of the frame. By utilizing the ascending function of the knife board 300, the automatic discharge of the residual materials can be realized without an external driving mechanism, the structure is simplified, and the cost is saved. The upper end of the back plate 120 is connected to a lateral top plate 130, and the driving mechanism 131 is mounted on the lateral top plate 130.

In some embodiments of the present invention, a blocking cover 160 with a downward opening is disposed at the rear side of the collecting opening 121, a residue collecting box 170 is disposed below the blocking cover 160, the blocking cover 160 prevents the blown material from being blown out at a high speed, and the blown material falls to the ground after passing through the residue collecting box 170, and the residue collecting box 170 is used for collecting the residue for convenient centralized processing.

In some embodiments of the present invention, the bottom of the lifting plate 200 is provided with a penetrating column 220, the bottom wall of the groove 110 is provided with a hole site for the penetrating column to pass through, the bottom of the penetrating column 220 is connected with a linkage member 700, a part of the linkage member 700 extends above the knife plate 300, and in the lifting process of the knife plate 300, the linkage member 700 can be contacted with the linkage member 700 and drive the linkage member 700 and the lifting plate 200 to lift; when the knife board 300 rises to the end of the travel, the lifting board 200 rises to a position which is level with or higher than the working table surface, so that the material is conveniently taken out of the groove 110, the material can be pushed out of the working table surface by using the horizontal reciprocating push rod, and the lifting of the knife board 300 is utilized to drive the material to lift out of the groove 110, so that an additional driving mechanism is saved.

In some embodiments of the present invention, the linkage 700 includes a bottom frame 710 and a vertical rod 720, the bottom of the through-column 220 is provided with a threaded column 230, and the threaded column 230 passes through the bottom frame 710 and is connected with a fastening nut 240; a vertical rod 720 is connected to the bottom frame 710 and extends upward from the side of the table surface to pass over the blade 300, and an abutment plate 721 extending horizontally toward the blade 300 is provided at an upper end of the vertical rod 720, the abutment plate 721 being located above the blade 300 for abutment with the blade 300. With this linkage effect of realization for after punching is accomplished, the cutting board rises, can drive the lifter plate along the area and rise the material after will punching and lift, the convenience unloading.

Referring to fig. 2, in some embodiments of the present invention, a second guide post 722 is vertically movably disposed on the abutment plate 721, a second nut 725 is screwed on an upper end of the second guide post 722, a lower end of the second guide post 722 passes through the abutment plate 721 and is connected with an abutment block 723, a second compression spring 724 is sleeved on the second guide post 722, the second compression spring 724 is located between the abutment plate 721 and the abutment block 723, and buffer contact is achieved through the second compression spring 724, so that rigid contact is avoided.

In some embodiments of the present invention, the bottom case 150 is further included, the bottom case 150 is located below the first perforation 111, the bottom case 150 is provided with a guide cylinder 151, the guide cylinder 151 is provided with a guide hole 152 extending vertically, a third guide pillar 181 is inserted into the guide hole 152, a conical head 180 is provided at the upper end of the third guide pillar 181, a third compression spring 182 is sleeved on the third guide pillar 181, and the third compression spring 182 is located between the conical head 180 and the guide cylinder 151. The depressed punch blade 400 is cushioned by the conical head 180 and the third compression spring 182. In addition, the remnants inserted into the central hole of the punching blade 400 are in a compressed state, and during the punching process, a part of the remnants may emerge from the bottom of the punching blade 400 and expand outward, so that the remnants are easily scraped off by the external structure while ascending, and cannot be discharged to a designated position and collected. The taper head 180 can plug the residual material into the central hole of the punching blade 400, so that the residual material is prevented from being scraped off by an external structure due to leakage of the residual material from the bottom of the punching blade 400 in the rising process.

In addition, in order to improve the installation accuracy of the bottom case 150, the frame 100 is provided with an abutment plate 140 against which the sidewall of the bottom case 150 abuts, and the abutment plate 140 and the sidewall of the bottom case 150 are provided with corresponding holes to be fixed by bolting.

In some embodiments of the present invention, the circumferential wall of the guide cylinder 151 is provided with a kidney-shaped hole 153 therethrough, the third guide pillar 181 is threaded radially with a limit screw 183, and the limit screw 183 is partially inserted into the kidney-shaped hole 153 and can vertically move along the kidney-shaped hole 153, the limit screw 183 is used to limit the lifting stroke of the conical head 180, and when the conical head 180 is at the uppermost position, the third compression spring 182 can be in a compressed state, so that when the conical head 180 is just contacted with the punching blade 400, there is enough elastic force.

Referring to fig. 6 to 9, the blade 300 includes an upper blade 310, a lower blade 320, and a stopper 330.

The knife board 300 comprises an upper knife board 310 and a lower knife board 320, wherein the upper knife board 310 is provided with a plurality of first through holes 311, and the peripheral wall of the bottom of each first through hole 311 is provided with an arc groove 312; the lower part of the arc groove 312 is opened; the lower blade 320 is mounted on the bottom surface of the upper blade 310, and a plurality of second through holes 321 aligned with the first through holes 311 are arranged; the peripheral diameter of the punching cutter 400 is matched with the second through hole 321, the punching cutter 400 is partially inserted into the second through hole 321, a clamping block 410 is arranged on the peripheral wall of the upper end of the punching cutter 400, and the clamping block 410 is clamped into the circular arc groove 312; the limiting piece 330, the punching blade 400, the first through hole 311 and the second through hole 321 are arranged in a one-to-one correspondence. The stopper 330 is partially inserted into the circular arc slot 312 to limit the latch 410 to the circular arc slot 312. The upper end of the clamping block 410 is attached to the top wall of the circular arc groove 312, and the bottom of the clamping block 410 is attached to the upper surface of the lower knife plate 320, so that the limit in the up-down direction is realized.

It is contemplated that the upper blade 310 and the lower blade 320 may be secured by welding or bolting.

The punching cutter 400 is inserted into the second through hole 321 to realize radial positioning, the clamping block 410 is embedded into the circular arc groove 312 to realize axial limiting, and the limiting piece 330 radially limits the clamping block, so that the clamping block is not separated from the circular arc groove to realize the position fixing of the punching cutter 400; when the punching tool 400 is detached, the single detachment of the punching tool 400 can be realized only by pulling out the limiting piece 330, and the detachment is convenient; when part of the punching cutters are damaged, all the scrapped cutter plates and the punching cutters are not needed, so that the maintenance cost is saved.

In some embodiments of the present invention, one end of the circular arc slot 312 is connected with a first notch 313 penetrating vertically, the other end is connected with a second notch 314 penetrating vertically, the lower blade 320 is provided with a third notch 322 aligned with the first notch 313 and a fourth notch 323 aligned with the second notch 314, the third notch 322 is used for inserting the clamping block 410 into the circular arc slot 312, and the width of the fourth notch 323 is smaller than the clamping block 410, so as to prevent the clamping block from falling downwards from the fourth notch 323. The third notch 322 and the fourth notch 323 are communicated with the circular arc groove 312, the limiting piece 330 is provided with a limiting column 334 inserted into the first notch 313 and a hook part inserted into the second notch 314, and the hook part comprises a vertically extending connecting part 332 and a hook block 333 vertically connected to the bottom of the connecting part 332; after the fixture block 410 enters the circular arc groove 312 from the third notch 322, it can rotate to above the hook block 333. After the fixture block 410 enters the arc groove 312 from the third notch 322 and rotates to be above the hook block 333, the limiting column 334 is inserted into the first notch 313 and the third notch 322, so that the fixture block 410 cannot fall out from the third notch 322, and the fixture block 410 limits the hook block 333, so that the limiting piece 330 cannot be pulled out upwards easily, mutual locking setting is realized, mounting stability is improved, and the assembly and disassembly are more convenient. In addition, the upper surface of the upper blade 310 is provided with a caulking groove 316 into which the upper portion of the stopper 330 is inserted.

In some embodiments of the present invention, the lifting column 341 is penetrated on the hook block 333, the top of the lifting column 341 is connected with the clamping block 340, the lifting column 341 is sleeved with the spring 342, the spring 342 is located between the clamping block 340 and the hook block 333, the spring 342 is used for applying upward clamping force to the clamping block 410 located above the spring 342, so that the upper ends of the clamping block 410 and the punching blade abut against the top wall of the circular arc groove 312, the installation gap is eliminated, the upper end of the punching blade 400 does not collide with the upper blade 310 in a short time during punching, collision damage to the punching blade 400 during punching operation is avoided, and the service life is prolonged.

In some embodiments of the present invention, the bottom of the lifting column 341 passes through the hook block 333 and is connected with the limit nut 343, the upper end surface of the clamping block 340 is provided with the limit bump 344, the bottom surface of the clamping block 410 is provided with the limit slot 411 matched with the limit bump 344, the circumferential positioning of the clamping block 410 is realized through the limit bump 344 and the limit slot 411, and the rotation of the clamping block 410 in the circular arc slot 312 is limited, so that the state is stable, and the limit of the limiting piece 330 can be continuously realized. In addition, when the limit nut 343 abuts against the hook block 333, the spring 342 is already in a compressed state and has a certain initial elastic force.

In some embodiments of the present invention, the limiting member 330 has an inner hole 331 penetrating up and down, the diameter of the inner hole 331 is smaller than the outer circumference of the punching blade 400, and the inner hole 331 allows the top post 610 to penetrate into the first penetrating hole 311 from above. In addition, the bottom peripheral wall of the first through hole 311 is provided with an annular groove 315, the diameter of the annular groove 315 is adapted to the peripheral diameter of the punching blade 400 for the upper end of the punching blade 400 to be inserted, and the circular arc groove 312 is formed by inwardly recessing the peripheral wall of the annular groove 315. The top wall of the annular slot 315 can be propped against the upper end of the punching cutter 400, so that the transmission of the punching force is realized, and the punching force is prevented from being concentrated on the clamping block 410.

In some embodiments of the present invention, the circular arc groove 312 has a receiving space therebetween for completely receiving the latch 410, so that the latch 410 is completely staggered from the first notch 313 and the second notch 314 when the latch 410 completely enters the receiving space 3121. The receiving space is a space formed by the circular arc groove 312 between the first notch 313 and the second notch 314. Referring to fig. 10, the clamping block 410 completely enters the accommodating space, and at this time, the clamping block 410 is in an intermediate state, and the clamping block 410 is completely staggered from the first notch 313 and the second notch 314; at this time, the limiting post 334 is inserted into the first notch 313 and the third notch 322, so that the clamping block 410 cannot fall out from the third notch 322, the upper end of the clamping block 340 is slightly higher than the bottom of the clamping block 410, a chamfer is provided at the edge of the upper end of the clamping block 340 facing the clamping block 410, the chamfer extends to a position lower than the bottom of the clamping block 410, and the clamping block 410 in the middle state can rotate to above the clamping block 340 and is pressed by the clamping block 340. During installation, the fixture block 410 pushes up the limit column 334 and the limit piece 330, so that the fixture block 410 enters one end of the circular arc groove 312, then the fixture block 410 rotates to completely enter the accommodating space 3121, is staggered with the limit column 334, the limit column 334 and the limit piece 330 fall back again under the action of gravity, the limit of the fixture block 410 is realized, and then the fixture block 410 continues to rotate towards the clamping block 340, and elastic clamping is realized by using the chamfer and the spring 342.

In some embodiments of the present invention, the upper surface of the upper blade 310 is provided with upward extending vertical posts 350, and the corresponding lateral top plate 130 is provided with guide cylinders 132 into which the vertical posts 350 are inserted.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mattress perforation device, comprising:

the machine comprises a machine frame (100), wherein the machine frame (100) is provided with a workbench surface, the workbench surface is provided with a groove (110), and the bottom wall of the groove (110) is provided with a plurality of first through holes (111) penetrating up and down;

the lifting plate (200) is movably arranged in the groove (110) in a lifting manner and is used for supporting materials, and the lifting plate (200) is provided with a second perforation (210) aligned with the first perforation (111);

the cutter plate (300) is positioned above the lifting plate (200) and is connected with a driving mechanism (131) for driving the cutter plate to lift, the driving mechanism (131) is installed on the frame (100), the cutter plate (300) comprises an upper cutter plate (310), a lower cutter plate (320) and a limiting piece (330), the upper cutter plate (310) is provided with a plurality of first through holes (311) in an arrangement mode, the circumferential wall at the bottom of each first through hole (311) is provided with an arc groove (312), the lower part of each arc groove (312) is provided with an opening, the lower cutter plate (320) is connected to the bottom surface of the upper cutter plate (310) through bolts, and a plurality of second through holes (321) aligned with the first through holes (311) are arranged;

the punching cutter (400), the punching cutter (400) is partly inserted into the second through hole (321), the periphery wall at the upper end of the punching cutter (400) is provided with a clamping block (410), the clamping block (410) is clamped into the circular arc groove (312), the limiting piece (330), the punching cutter (400), the first through hole (311) and the second through hole (321) are arranged in a one-to-one correspondence manner, the limiting piece (330) is partly inserted into the circular arc groove (312) so as to limit the clamping block (410) into the circular arc groove (312), one end of the circular arc groove (312) is communicated with a first notch (313) which penetrates up and down, the other end of the circular arc groove (312) is communicated with a second notch (314) which penetrates up and down, the lower cutter plate (320) is provided with a third notch (322) aligned with the first notch (313) and a fourth notch (323) aligned with the second notch (314), the third notch (322) is used for embedding the clamping block (410) and entering the circular arc groove (312), the width of the fourth notch (323) is smaller than the clamping block (410), the limiting piece (330) is provided with a limiting post (334) which is inserted into the first notch (313) and a hook (314) which is inserted into the second notch (314) and a hook (332) which is inserted into the vertical notch (332) of the vertical notch (332) which is connected with the hook (332) of the third notch (332), the punching knife (400) can be lifted along with the knife board (300) to extend into the second perforation (210) so as to punch the material supported on the lifting board (200);

the pre-tightening plate (500) is arranged below the knife plate (300) in a lifting and movable mode, a third through hole (510) aligned with the first through hole (111) is formed, the third through hole (510) is used for allowing the punching knife (400) to pass through, and a first pressure spring (530) is arranged between the pre-tightening plate (500) and the knife plate (300).

2. A mattress perforation device as claimed in claim 1, wherein: the pre-tightening plate (500) is provided with a first guide pillar (520) extending upwards, the upper end of the first guide pillar (520) penetrates through the cutting plate (300) and is connected with a first nut (521), and the first compression spring (530) is sleeved on the first guide pillar (520).

3. A mattress perforation device as claimed in claim 2, wherein: the punching machine further comprises a needle column plate (600) fixedly mounted on the frame (100), wherein a center hole penetrating through the punching cutter (400) vertically is formed in the center of the punching cutter (400), and a mounting hole for mounting the punching cutter (400) and penetrating through the punching cutter vertically is formed in the cutter plate (300); the bottom of the pin plate (600) is provided with a jack post (610) corresponding to the central hole of the punching cutter (400), and the cutter plate (300) can be lifted until the jack post (610) is inserted into the central hole of the punching cutter (400) so as to eject the residual materials in the central hole out of the punching cutter (400).

4. A mattress perforation device as claimed in claim 3, wherein: when the first nut (521) is propped against the knife board (300), the upper surface of the pre-tightening plate (500) is provided with a gap with the punching knife (400) so that the residual materials ejected by the ejection column (610) can fall onto the upper surface of the pre-tightening plate (500), the upper surface of the pre-tightening plate (500) is inclined downwards towards the rear side, the rear side of the frame (100) is fixedly provided with a back plate (120), the back plate (120) is provided with a collecting opening (121), the front side of the collecting opening (121) is provided with a collecting inclined plate (122), and the front side of the pre-tightening plate (500) is provided with an air pipe (190) fixedly arranged on the frame (100); when the cutter plate (300) rises to the end of the stroke, the collecting inclined plate (122) is in butt joint with the inclined side of the pre-tightening plate (500) so as to guide the residual materials into the collecting opening (121), and the air pipe (190) is connected with an air source so as to blow the residual materials falling to the pre-tightening plate (500) to the collecting inclined plate (122).

5. A mattress perforation device as claimed in claim 4, wherein: a blocking cover (160) with a downward opening is arranged at the rear side of the collecting opening (121), and a residue collecting box (170) is arranged below the blocking cover (160).

6. A mattress perforation device as claimed in claim 1, wherein: the bottom of the lifting plate (200) is provided with a penetrating column (220), the bottom wall of the groove (110) is provided with a hole site for the penetrating column to penetrate, the bottom of the penetrating column (220) is connected with a linkage piece (700), the linkage piece (700) partially extends to the upper part of the cutting plate (300), and in the lifting process of the cutting plate (300), the linkage piece (700) can be contacted with the linkage piece (700) and can drive the lifting plate (200) to lift; when the knife board (300) rises to the end of the travel, the lifting board (200) rises to a position which is level with or higher than the working table surface.

7. A mattress perforation device as claimed in claim 6, wherein: the linkage piece (700) comprises a bottom frame (710) and a vertical rod (720), a threaded column (230) is arranged at the bottom of the penetrating column (220), and the threaded column (230) penetrates through the bottom frame (710) and is connected with a fastening nut (240); the vertical rod (720) is connected with the underframe (710) and extends upwards from the side part of the workbench surface to cross the knife board (300), an abutting plate (721) horizontally extending towards the knife board (300) is arranged at the upper end of the vertical rod (720), and the abutting plate (721) is located above the knife board (300) and used for abutting against the knife board (300).

8. A mattress perforation device as claimed in claim 7, wherein: the second guide pillar (722) is vertically movably arranged on the abutting plate (721) in a penetrating mode, a second nut (725) is connected to the upper end of the second guide pillar (722) in a threaded mode, the lower end of the second guide pillar (722) penetrates through the abutting plate (721) and is connected with the abutting block (723), a second pressure spring (724) is sleeved on the second guide pillar (722), and the second pressure spring (724) is located between the abutting plate (721) and the abutting block (723).

9. A mattress perforation device as claimed in claim 1, wherein: still include base case (150), base case (150) are located first perforation (111) below, base case (150) are equipped with guide cylinder (151), guide cylinder (151) are equipped with guiding hole (152) of vertical extension, guiding hole (152) are inserted and are equipped with third guide pillar (181), third guide pillar (181) upper end is equipped with conical head (180), third guide pillar (181) cover is equipped with third pressure spring (182), third pressure spring (182) are located between conical head (180) and guide cylinder (151).

10. A mattress perforation device as claimed in claim 9, wherein: the guiding cylinder (151) perisporium is equipped with waist shape hole (153) that run through, third guide pillar (181) radial screw wears to be equipped with stop screw (183), stop screw (183) part inserts waist shape hole (153) and can follow waist shape hole (153) vertical activity.