CN213295389U

CN213295389U - Leather cutting machine

Info

Publication number: CN213295389U
Application number: CN202020997538.5U
Authority: CN
Inventors: 陈长峰; 周建海; 姜集灶
Original assignee: Wenzhou Xinsheng Leather Co ltd
Current assignee: Wenzhou Xinsheng Leather Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-05-28
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to the technical field of leather processing equipment, and discloses a leather splitting machine, which comprises a base, wherein a first fixed plate and a second fixed plate which are arranged oppositely are arranged on the base, a cutter shaft is rotatably connected between the first fixed plate and the second fixed plate, a driving motor for driving the cutter shaft to rotate is arranged on the first fixed plate, a plurality of annular cutting knives are connected on the cutter shaft, a plurality of chutes extending along the length direction of the cutter shaft are arranged on the circumferential side wall of the cutter shaft, and sliders which are equal to the chutes in quantity and are respectively connected in the chutes in a sliding manner are fixed on the inner walls of the cutting knives; one side of cutting knife is fixed with the installation cover, is equipped with the fastening screw on the lateral wall of installation cover, and fastening screw female connection has fastening bolt, and it has the constant head tank that a plurality of tip that supply fastening bolt stretch into to distribute along its length direction on the diapire of spout. The utility model discloses have applicable effect in the different width leather of shaping.

Description

Leather cutting machine

Technical Field

The utility model belongs to the technical field of the technique of leather processing equipment and specifically relates to a leather cutting machine is related to.

Background

A splitting machine is a mechanical device for splitting a wide material into a plurality of narrow materials, and is widely applied to production and processing of paper, leather, cloth, plastics, films and the like.

Among the prior art, chinese patent with publication number CN207793304U discloses a leather material slitter, which comprises a base, and a cutter shaft mounting rack is installed on the base, and the cutter shaft mounting rack is connected with a cutter shaft in a rotating manner, and a driving motor is fixed on one side of the cutter shaft mounting rack, and a plurality of cutting knives are fixed on the cutter shaft at uniform intervals, and a plurality of cutting grooves are also arranged under the cutting knives on the base, and the bottoms of the cutting knives stretch into the cutting grooves. The cutter shaft mounting frame is further connected with a rolling structure through a connecting column, the rolling structure comprises a cross beam, two side plates are connected onto the cross beam, a rolling wheel is connected between the two side plates, and a slow motor for driving the rolling wheel to rotate is further fixed on one side plate. This slitter can carry out the cutting of leather material fast to leather material can move ahead automatically when the cutting, cuts efficiently.

The above prior art solutions have the following drawbacks: the cutting knife is fixed to be set up on the arbor, and the interval of two adjacent cutting knives is fixed, and the fashioned leather width size is fixed after the cutting knife cutting, can't be applicable to the leather of the different width of shaping, remains to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a leather cutting machine, the interval of two adjacent cutting knives is adjustable, has the applicable effect in the different width leather of shaping.

The above object of the present invention can be achieved by the following technical solutions: a leather splitting machine comprises a base, wherein a first fixing plate and a second fixing plate which are oppositely arranged are installed on the base, a cutter shaft is rotatably connected between the first fixing plate and the second fixing plate, a driving motor for driving the cutter shaft to rotate is arranged on the first fixing plate, a plurality of annular cutting knives are connected onto the cutter shaft, a plurality of sliding grooves which extend along the length direction of the cutter shaft are formed in the circumferential side wall of the cutter shaft, and sliding blocks which are equal to the sliding grooves in number and are respectively connected into the sliding grooves in a sliding mode are fixed on the inner walls of the cutting knives; the cutting device is characterized in that a mounting sleeve is fixed on one side of the cutting knife, a fastening screw hole is formed in the side wall of the mounting sleeve, a fastening bolt is connected to the fastening screw hole in an internal thread mode, and a plurality of positioning grooves for the end portion of the fastening bolt to extend into are distributed in the bottom wall of the sliding groove along the length direction of the bottom wall of the sliding groove.

Through adopting above-mentioned technical scheme, the cutting knife passes through the fastening bolt location on the threaded connection installation cover with the arbor, and before the cutting broad width leather, people can remove the cutting knife along the length direction of arbor for fastening bolt stretches into different constant head tanks, thereby changes the position of cutting knife and the interval of two adjacent cutting knives, so that the leather of the different widths of shaping, application scope is wide. The sliding block is connected in the sliding groove in a sliding mode, so that the cutting knife and the mounting sleeve can be limited to rotate relative to the knife shaft, and the fastening screw hole and the positioning groove are aligned.

The utility model discloses further set up to: and a rubber ring is fixed on the inner wall of the positioning groove.

Through adopting above-mentioned technical scheme, the rubber circle can be stressed and produce deformation when fastening bolt's tip stretches into the constant head tank, and the rubber circle after the deformation can produce centre gripping fastening bolt's effort for fastening bolt is difficult for shifting out the constant head tank, has improved the intensity of cutting knife and arbor.

The utility model discloses further set up to: the inner side of the rubber ring is integrally formed with a plurality of anti-falling teeth distributed along the vertical direction.

Through adopting above-mentioned technical scheme, the anticreep tooth has increased the frictional force of rubber circle with fastening bolt, has further restricted fastening bolt and constant head tank separation.

The utility model discloses further set up to: the cross section of the mounting sleeve is square, a through hole for the cutter shaft to penetrate through is formed in the middle of the mounting sleeve, and the maximum distance between the mounting sleeve and the central axis of the cutter shaft is smaller than the maximum distance between the cutter and the central axis of the cutter shaft.

Through adopting above-mentioned technical scheme, fastening bolt is the plane with the contact surface of installation cover, compares in the face of being connected between them and is the curved surface, and fastening bolt screws the back better to the location effect of installation cover, and the tip of installation cover can not surpass the cutting knife, and the cutting effect of cutting knife to the leather is good.

The utility model discloses further set up to: connecting blocks are respectively fixed on two opposite sides of the second fixing plate, and connecting bolts in threaded connection with the base penetrate through the connecting blocks; one side of the sliding groove, which is far away from the first fixing plate, is provided with an opening for the sliding block to move out.

Through adopting above-mentioned technical scheme, the second fixed plate passes through connecting bolt with the base and can dismantle the connection to the opening of spout tip can supply the slider immigration or shift out, and people's accessible this opening increases or reduces the quantity of cutting knife, thereby satisfies different cutting demands. In addition, when a single cutting knife is seriously abraded, the cutting knife can be independently detached and replaced, and the service life of the splitting machine is long.

The utility model discloses further set up to: the cutting device is characterized in that a cutting ring is integrally formed on the outer wall of the cutting knife, and the thickness of the cutting ring is gradually reduced towards one side far away from the cutting knife.

Through adopting above-mentioned technical scheme, the thickness of cutting ring tip is little, and its sharpness when the cutting leather is high, and shaping is effectual, the finished product high quality.

The utility model discloses further set up to: the base is provided with a waste material groove which is located under the cutting knife and extends along the length direction of the knife shaft, and the lower end of the cutting ring is located in the waste material groove.

Through adopting above-mentioned technical scheme, the bottom that the dirty tank can supply the cutting ring stretches into for the base can not worn out by the cutting ring under the prerequisite that the leather was cut off in the assurance, has reduced the damage of cutting ring and base.

The utility model discloses further set up to: and a discharge hole is formed in one side wall of the waste material groove, and the lower side wall of the discharge hole is obliquely arranged and one end, far away from the waste material groove, of the discharge hole is a low end.

Through adopting above-mentioned technical scheme, the piece that forms during the cutting can fall into in the waste material groove and be collected, and when the piece in the waste material groove was more, people's accessible instruments such as brush stir the piece to the discharge hole, and the effect of direction is played in the lower lateral wall slope of discharge hole, helps piece discharge base.

The utility model discloses further set up to: two oppositely arranged supporting plates are fixed above the base, and lifting blocks are connected to the two supporting plates; a conveying roller parallel to the cutter shaft is rotatably connected between the two lifting blocks, and a servo motor fixedly connected with the conveying roller and an output shaft is installed on one lifting block.

Through adopting above-mentioned technical scheme, during the processing leather, servo motor can drive the transfer roller and rotate for the transfer roller drives the leather that is located its below and removes to the one side that is close to the cutting knife, thereby realizes the pay-off of leather, and machining efficiency is high.

The utility model discloses further set up to: the end faces, opposite to the two supporting plates, are provided with lifting holes extending along the vertical direction, the lifting block is connected in the lifting holes in a sliding mode, and a lifting cylinder with a piston rod fixedly connected with the lifting block is installed on the supporting plates.

Through adopting above-mentioned technical scheme, lift cylinder can be used to drive the vertical removal of elevator that rather than linking to each other for the height of transfer roller changes, thereby makes the transfer roller applicable in the leather of conveying different thickness, and application scope is big.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the cutting knives and the cutter shaft are connected and positioned through the fastening bolts instead of being fixedly connected, and people can change the distance between every two adjacent cutting knives by stretching the fastening bolts into different positioning grooves, so that leather with different widths can be formed, and the application range is wide;

2. the sliding block is in sliding fit with the sliding groove, so that the cutting knife and the mounting sleeve can be limited to rotate relative to the knife shaft, and the alignment of the fastening bolt and the positioning groove is facilitated; the rubber ring can clamp the end part of the fastening bolt when the fastening bolt extends, so that the fastening bolt is not easy to separate from the positioning groove;

3. the servo motor can drive the conveying roller to rotate, so that the conveying roller drives the leather below the conveying roller to move towards the cutting knife, and the processing efficiency is high; the lifting cylinder is used for driving the lifting block connected with the lifting cylinder to vertically move, so that the distance between the conveying roller and the base is changed, and the leather conveying device is suitable for conveying leather with different thicknesses.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of a partial explosion when the cutter is separated from the cutter shaft in the present embodiment;

fig. 3 is a partial sectional view of the cutter shaft in the present embodiment.

Reference numerals: 1. a base; 2. a first fixing plate; 3. a second fixing plate; 4. connecting blocks; 5. a connecting bolt; 6. a cutter shaft; 7. a drive motor; 8. a cutting knife; 9. installing a sleeve; 10. a through hole; 11. a chute; 12. a slider; 13. an extension block; 14. fastening screw holes; 15. fastening a bolt; 16. positioning a groove; 17. a rubber ring; 18. preventing the teeth from falling off; 19. cutting a ring; 20. a waste chute; 21. a discharge hole; 22. a support plate; 23. a lifting hole; 24. a lifting block; 25. a lifting cylinder; 26. a conveying roller; 27. a servo motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a leather cutting machine, as shown in fig. 1 and 2, the leather cutting machine comprises a base 1, wherein a first fixing plate 2 and a second fixing plate 3 which are oppositely arranged are connected to the upper side of the base 1, and the first fixing plate 2 is fixedly connected with the base 1. Two relative lateral wall lower extremes of second fixed plate 3 are fixed with connecting block 4 respectively, wear to be equipped with on the connecting block 4 with 1 threaded connection's of base connecting bolt 5, and second fixed plate 3 passes through connecting bolt 5 and can dismantle with base 1 and be connected. A cutter shaft 6 is rotatably connected between the first fixing plate 2 and the second fixing plate 3, a driving motor 7 is installed on one side, away from the second fixing plate 3, of the first fixing plate 2, and an output shaft of the driving motor 7 is fixedly connected with the cutter shaft 6 and can drive the cutter shaft 6 to rotate. The cutter shaft 6 is sleeved with a plurality of annular cutters 8 for cutting wide leather.

As shown in fig. 1 and 2, an installation sleeve 9 is integrally formed on one side of the cutting knife 8 close to the first fixing plate 2, a through hole 10 is formed in the middle of the section of the installation sleeve 9, the inner diameter of the through hole 10 is equal to the inner diameter of the cutting knife 8 and can be penetrated out by the knife shaft 6, and the maximum distance between the installation sleeve 9 and the central axis of the knife shaft 6 is smaller than the maximum distance between the cutting knife 8 and the central axis of the knife shaft 6.

As shown in fig. 2 and 3, four sliding grooves 11 are uniformly distributed on the circumferential side wall of the cutter shaft 6, the sliding grooves 11 extend along the length direction of the cutter shaft 6, and an opening is formed in one end, away from the first fixing block, of the sliding groove 11. Four sliders 12 which are uniformly distributed are integrally formed on the inner wall of the cutting knife 8, and the four sliders 12 are respectively connected in the four sliding grooves 11 in a sliding manner. Four extension blocks 13 which are uniformly distributed are integrally formed on the inner wall of the mounting sleeve 9, and the four extension blocks 13 correspond to the four sliding blocks 12 respectively in position and have the same shape. The upper side wall and the lower side wall of the mounting sleeve 9 are respectively provided with a fastening screw hole 14 penetrating through the extension block 13 close to the mounting sleeve, the fastening screw holes 14 are internally threaded with fastening bolts 15, a plurality of positioning grooves 16 are distributed on the bottom wall of each sliding groove 11 along the length direction of the bottom wall, and the bottom ends of the fastening bolts 15 can extend into the positioning grooves 16.

As shown in fig. 2 and 3, before the leather is processed, the cutting knife 8 is moved along the length direction of the knife shaft 6, so that the fastening bolt 15 is connected with the fastening screw hole 14 in a threaded manner and then extends into the positioning groove 16, people can extend the end part of the fastening bolt 15 into different positioning grooves 16, the distance between two adjacent cutting knives 8 is changed, and the cutting knife is suitable for forming the leather with different widths. After the second fixing plate 3 is separated from the base 1, the sliding block 12 and the extension block 13 can be moved out from the opening at the end of the sliding groove 11 far away from the first fixing plate 2, so that people can increase or decrease the cutting knife 8 or replace the cutting knife 8 with serious abrasion conveniently.

As shown in fig. 2 and 3, an annular rubber ring 17 is fixed to an inner wall of the positioning groove 16, and a plurality of anti-falling teeth 18 distributed in a vertical direction are integrally formed inside the rubber ring 17. The rubber ring 17 and the anti-dropping teeth 18 can limit the fastening bolt 15 to be dropped from the positioning groove 16, so that the stability of the fastening bolt 15 and the connection strength of the cutting knife 8 and the knife shaft 6 are improved.

As shown in fig. 1 and 2, the cutting ring 19 is integrally formed on the outer wall of the cutting knife 8, the thickness of the cutting ring 19 is gradually reduced towards one side far away from the cutting knife 8, and the sharpness and the cutting efficiency when the leather is cut are improved.

As shown in fig. 1, the base 1 is provided with a waste tank 20 extending along the length direction of the cutter shaft 6, the waste tank 20 is located right below the cutter 8, and the lower end of each cutting ring 19 is located in the waste tank 20. Be equipped with relief hole 21 on the inner wall of waste material groove 20 near first fixed plate 2, the lower lateral wall of relief hole 21 is the slope setting and keeps away from the one end of waste material groove 20 and is the low side. The chute 20 can be used to collect debris formed after processing and the discharge aperture 21 facilitates the discharge of debris from the chute 20 out of the base 1.

As shown in fig. 1, two opposite supporting plates 22 are fixed above the base 1, two opposite end faces of the two supporting plates 22 are respectively provided with a lifting hole 23 extending in the vertical direction, a lifting block 24 is slidably connected to the lifting hole 23, a lifting cylinder 25 with a downward piston rod is installed on the upper side of the supporting plate 22, the piston rod of the lifting cylinder 25 passes through the supporting plate 22 and then is fixedly connected with the lifting block 24, and the two lifting cylinders 25 are driven by the same control switch to synchronously work. A conveying roller 26 parallel to the cutter shaft 6 is rotatably connected between the two lifting blocks 24, a servo motor 27 is installed on one side of one lifting block 24 far away from the other lifting block 24, and an output shaft of the servo motor 27 is fixedly connected with the conveying roller 26. A servomotor 27 can be used to drive the transfer roller 26 in rotation, which in turn causes the transfer roller 26 to transfer the leather towards the cutting knife 8. The lifting cylinder 25 can drive the lifting block 24 to vertically move, so that the height of the conveying roller 26 is changed to convey leathers with different thicknesses, and the application range is wide.

The implementation principle of the embodiment is as follows: cutting knife 8 and arbor 6 pass through the 15 location of fastening bolt on the threaded connection installation cover 9, before the cutting broad width leather, people can remove cutting knife 8 along the length direction of arbor 6 for fastening bolt 15's bottom stretches into different constant head tanks 16, thereby changes cutting knife 8's position and two adjacent cutting knife 8's interval, is applicable to the leather of the different width of shaping.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a leather cutting machine, includes base (1), install relative first fixed plate (2) and the second fixed plate (3) that set up on base (1), it is connected with arbor (6) to rotate between first fixed plate (2) and second fixed plate (3), be equipped with on first fixed plate (2) and drive arbor (6) pivoted driving motor (7), be connected with a plurality of annular cutting knife (8) on arbor (6), its characterized in that: a plurality of sliding grooves (11) extending along the length direction of the cutter shaft (6) are formed in the circumferential side wall of the cutter shaft, and sliding blocks (12) which are equal to the sliding grooves (11) in number and are respectively connected in the sliding grooves (11) in a sliding manner are fixed on the inner wall of the cutter (8); one side of cutting knife (8) is fixed with installation cover (9), be equipped with fastening screw (14) on the lateral wall of installation cover (9), fastening screw (14) female connection has fastening bolt (15), it has constant head tank (16) that a plurality of tip that supply fastening bolt (15) stretched into to distribute along its length direction on the diapire of spout (11).

2. A leather slitting machine according to claim 1 wherein: and a rubber ring (17) is fixed on the inner wall of the positioning groove (16).

3. A leather slitting machine according to claim 2 wherein: the inner side of the rubber ring (17) is integrally formed with a plurality of anti-falling teeth (18) distributed along the vertical direction.

4. A leather slitting machine according to claim 1 wherein: the cross-section of the installation sleeve (9) is square, a through hole (10) for the cutter shaft (6) to penetrate through is formed in the middle of the installation sleeve, and the maximum distance between the installation sleeve (9) and the central axis of the cutter shaft (6) is smaller than the maximum distance between the cutting knife (8) and the central axis of the cutter shaft (6).

5. A leather slitting machine according to claim 1 wherein: connecting blocks (4) are respectively fixed on two opposite sides of the second fixing plate (3), and connecting bolts (5) in threaded connection with the base (1) penetrate through the connecting blocks (4); an opening for moving out the sliding block (12) is formed in one side, far away from the first fixing plate (2), of the sliding groove (11).

6. A leather slitting machine according to claim 1 wherein: a cutting ring (19) is integrally formed on the outer wall of the cutting knife (8), and the thickness of the cutting ring (19) is gradually reduced towards one side far away from the cutting knife (8).

7. A leather splitting machine as defined in claim 6, further comprising: the cutter is characterized in that a waste material groove (20) which is located under the cutter (8) and extends along the length direction of the cutter shaft (6) is formed in the base (1), and the lower end of the cutting ring (19) is located in the waste material groove (20).

8. A leather slitting machine as set forth in claim 7 wherein: be equipped with relief hole (21) on one of them lateral wall of waste material groove (20), the lower lateral wall of relief hole (21) is the slope and sets up and keep away from the one end of waste material groove (20) and be the low end.

9. A leather slitting machine according to claim 1 wherein: two oppositely arranged supporting plates (22) are fixed above the base (1), and lifting blocks (24) are connected to the two supporting plates (22); a conveying roller (26) parallel to the cutter shaft (6) is rotatably connected between the two lifting blocks (24), and a servo motor (27) with an output shaft fixedly connected with the conveying roller (26) is arranged on one lifting block (24).

10. A leather slitting machine as set forth in claim 9 wherein: the opposite terminal surfaces of two backup pads (22) all are equipped with along lift hole (23) that vertical direction extends, elevator (24) sliding connection is in lift hole (23), install piston rod and elevator (24) fixed connection's lift cylinder (25) on backup pad (22).