阅读说明：本技术 一种用于皮革切割保持切口稳定的装置 (Device for keeping incision stable for leather cutting ) 是由 王国琴 于 2019-11-05 设计创作，主要内容包括：本发明涉及皮革切割技术领域,且公开了一种用于皮革切割保持切口稳定的装置,包括底板和壳体,壳体中设置有放置板,放置板中开设有割槽,割槽中设置有链齿,链齿通过链布与放置板相连接,两组链齿之间连接有链头,链头上固定连接有固定拉扣,链布的右部固定连接有多组固定杆,固定杆上固定连接有撑块,放置板的上方设置有切割刀,切割刀的侧面设置有压块,压块与固定块之间设置有弹簧。该用于皮革切割保持切口稳定的装置,切割刀运动的同时链布上的撑块会通过摩擦来使上方的已切开的皮革靠拢,以减小其自然开裂的程度,进而保持切割刀切割时对皮革不同部位施力大致相同,来保持切口的稳定。(The invention relates to the technical field of leather cutting, and discloses a device for keeping a cut stable in leather cutting, which comprises a bottom plate and a shell, wherein a placing plate is arranged in the shell, a cutting groove is formed in the placing plate, sprockets are arranged in the cutting groove and are connected with the placing plate through chain cloth, a chain head is connected between two groups of sprockets, a fixed pull buckle is fixedly connected to the chain head, a plurality of groups of fixed rods are fixedly connected to the right part of the chain cloth, supporting blocks are fixedly connected to the fixed rods, a cutting knife is arranged above the placing plate, a pressing block is arranged on the side face of the cutting knife, and a spring is arranged between the pressing block and the fixed blocks. This a device for leather cutting keeps incision stable, the kicking block on the chain cloth can make the leather that has cut of top draw close through the friction when the cutting knife moves to reduce its degree of natural fracture, and then it is roughly the same to the different position application of force of leather when keeping the cutting knife cutting, keep the stability of incision.)

1. Device for keeping incisions stable for the cutting of leather, comprising a base plate (1), characterized in that: the leather-free cutting machine is characterized in that a shell (2) is fixedly connected onto a bottom plate (1), fixing legs (3) are fixedly connected onto the middle of the bottom plate (1), a placing plate (4) is fixedly connected onto the fixing legs (3), a cutting groove (5) is formed in the placing plate (4), a stop block (6) is fixedly connected onto the left portion of the cutting groove (5), two groups of zipper teeth (7) are connected onto the right side of the stop block (6), the zipper teeth (7) are connected with the placing plate (4) through zipper cloth (8), a zipper head (9) is connected between the two groups of zipper teeth (7), a fixing pull buckle (10) is fixedly connected onto the zipper head (9), a plurality of groups of fixing rods (11) are fixedly connected onto the right portion of the zipper cloth (8), supporting blocks (12) are fixedly connected onto the fixing rods (11), leather (14) is placed onto the placing plate (4), cutting knives (15) are arranged above the placing plate (4), the upper portion of connecting rod (16) is connected through bolt (18) and nut (19) with fixed cover (17), fixedly connected with spiral shell piece (20) on connecting rod (16), spiral shell piece (20) cup joint on lead screw (21), spiral shell piece (20) are connected with fixed sliding shaft (22) at casing (2) top, the side fixedly connected with fixed block (23) of cutting knife (15), be provided with straight-bar (25) in fixed block (23), fixedly connected with dog (24) on straight-bar (25), lower extreme fixedly connected with briquetting (26) of straight-bar (25), be provided with spring (27) between briquetting (26) and fixed block (23).

2. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: the screw rod (21) is driven by a motor.

3. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: and a friction block (13) is fixedly connected to the supporting block (12).

4. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: the section of the cutting knife (15) is fan-shaped.

5. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: the fixed sleeve (17) and the connecting rod (16) are provided with holes corresponding to the bolts (18).

6. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: the fixed sliding shafts (22) are arranged in two groups and are axisymmetric with respect to the screw rod (21).

7. A device for keeping the cuts stable for the cutting of leather, according to claim 1, characterized in that: the bottom surface of the pressing block (26) is provided with a cambered surface.

Technical Field

The invention relates to the technical field of leather cutting, in particular to a device for keeping a cut stable in leather cutting.

Background

The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling.

In the in-process of making article with the leather, thereby need cut the leather in order to reach suitable size and do benefit to processing manufacturing, the incision that current cutting device for the leather is difficult to guarantee along with the cutter that advances the position of cutter is the same before, do not consider along with the cutter to the cutting of leather promptly, the leather separation at cut position, and the leather has certain elasticity, then along with constantly advancing of cutter, the breach of the leather department of cutter position of department can be bigger and bigger, the cutter cuts the leather just is difficult to guarantee the back cut position and is unanimous with the incision at first cut position this moment, and current device is difficult to observe the cutting effect well.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device for keeping the incision stability in leather cutting, which has the advantages of keeping the incision stability of leather and facilitating the observation of the cutting effect, and solves the problems that the existing device can not keep the incision stability of the leather and is inconvenient to observe the cutting effect.

(II) technical scheme

In order to realize the purposes of keeping the cut of the leather stable and conveniently observing the cutting effect, the invention provides the following technical scheme: a device for keeping incision stable for leather cutting comprises a bottom plate, wherein a shell is fixedly connected onto the bottom plate, a fixing foot is fixedly connected onto the middle of the bottom plate, a placing plate is fixedly connected onto the fixing foot, a cutting groove is formed in the placing plate, a stop block is fixedly connected onto the left portion of the cutting groove, two groups of sprockets are connected onto the right side of the stop block, the sprockets are connected with the placing plate through sprockets, a sprocket head is connected between the two groups of sprockets, a fixing pull buckle is fixedly connected onto the sprocket head, a plurality of groups of fixing rods are fixedly connected onto the right portion of the sprockets, a supporting block is fixedly connected onto the fixing rods, leather is placed on the placing plate, a cutting knife is arranged above the placing plate, a connecting rod is fixedly connected onto the cutting knife, the upper portion of the connecting rod is connected with a fixing sleeve through a bolt and a nut, a screw block is fixedly connected onto the connecting rod, the side fixedly connected with fixed block of cutting knife is provided with the straight-bar in the fixed block, fixedly connected with dog on the straight-bar, and the lower extreme fixedly connected with briquetting of straight-bar is provided with the spring between briquetting and the fixed block.

Preferably, the screw rod is driven by a motor, so that the automatic operation of the device is realized.

Preferably, the supporting block is fixedly connected with a friction block, so that the friction of the supporting block on the leather above is increased.

Preferably, the section of the cutting knife is fan-shaped, so that the installation of the pressing block and the cutting of the leather at the right part are facilitated.

Preferably, the fixed sleeve and the connecting rod are both provided with holes corresponding to the bolts, so that the connection between the bolts and the nuts is facilitated.

Preferably, the two groups of fixed sliding shafts are arranged and are symmetrical about the screw shaft, so that the stable movement of the screw block on the screw shaft is facilitated.

Preferably, the bottom surface of the pressing block is set to be an arc surface, so that friction between the pressing block and the leather when the cutting knife moves is reduced.

(III) advantageous effects

Compared with the prior art, the invention provides a device for keeping the cut stable for leather cutting, which has the following beneficial effects:

1. this a device for leather cutting keeps incision stable, through being provided with the lead screw, and the spiral shell piece has been cup jointed on the lead screw, then can make the lead screw motion drive the spiral shell piece motion, and then drive the cutting knife and cut the leather, through passing fixed pull buckle with the cutting knife, then can make the chain head move right when the cutting knife motion, and then draw in the sprocket and the chain cloth of both sides in, then the kicking block on the chain cloth can make the leather that has cut of top draw close together through the friction, in order to reduce the degree of its natural fracture, and then it is roughly the same to the different position application of force of leather when keeping the cutting knife cutting, keep notched stability.

2. This a device for leather cutting keeps incision stable, it is fixed to link to each other through passing through the connecting rod with fixed cover with the cutting knife, can conveniently dismantle and pack into the cutting knife, thereby can conveniently observe the incision of leather, be in the state of foldeing down because of the leather under the effect of below bracer, then can conveniently come the incision condition of slowly observing the different positions of leather through pull-back chain head, can conveniently observe the cutting effect, can extrude fixedly to the both sides at cutting position through being provided with the briquetting in the side of cutting knife, in order to do benefit to the cutting.

Drawings

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

FIG. 2 is a top cross-sectional view of the connection of the threaded block to the lead screw in the present invention;

FIG. 3 is a right side sectional view showing the connection of the rear chain cloth to the fixing bar in the present invention;

FIG. 4 is a schematic front view of the connection between the cutting knife and the pressing block in the present invention;

FIG. 5 is a schematic top view of the placement board of the present invention;

FIG. 6 is a schematic top view of the attachment of the holding board to the leather of the present invention;

FIG. 7 is a right side sectional view of the cutting blade of the present invention;

fig. 8 is a partial enlarged view of the invention at a in fig. 1.

In the figure: 1-bottom plate, 2-shell, 3-fixed foot, 4-placing plate, 5-cutting groove, 6-stop block, 7-sprocket, 8-chain cloth, 9-chain head, 10-fixed pull buckle, 11-fixed rod, 12-supporting block, 13-friction block, 14-leather, 15-cutting knife, 16-connecting rod, 17-fixed sleeve, 18-bolt, 19-nut, 20-spiral block, 21-lead screw, 22-fixed sliding shaft, 23-fixed block, 24-stop block, 25-straight rod, 26-pressing block and 27-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a device for cutting leather to keep stable incision comprises a base plate 1, a shell 2 fixedly connected to the base plate 1, a fixing leg 3 fixedly connected to the middle of the base plate 1, a placing plate 4 fixedly connected to the fixing leg 3, a cutting slot 5 formed in the placing plate 4, a stop 6 fixedly connected to the left of the cutting slot 5, two sets of sprockets 7 connected to the right of the stop 6, a sprocket 7 connected to the placing plate 4 through a chain cloth 8, a head 9 connected between the two sets of sprockets 7, a fixing pull buckle 10 fixedly connected to the head 9, a plurality of fixing rods 11 fixedly connected to the right of the chain cloth 8, a supporting block 12 fixedly connected to the fixing rods 11, a friction block 13 fixedly connected to the supporting block 12 for increasing the friction of the supporting block 12 to the leather 14 above, the leather 14 placed on the placing plate 4, a cutting knife 15 disposed above the placing plate 4, and a fan-shaped section of the cutting knife 15, the installation of a pressing block 26 and the cutting of the right leather 14 are facilitated, a connecting rod 16 is fixedly connected to a cutting knife 15, the upper part of the connecting rod 16 is connected with a fixed sleeve 17 through a bolt 18 and a nut 19, the cutting knife 15 is connected with the fixed sleeve 17 through the connecting rod 16 to be fixed, the cutting knife 15 can be conveniently disassembled and loaded, so that the cut of the leather 14 can be conveniently observed, a screw block 20 is fixedly connected to the connecting rod 16, the screw block 20 is sleeved on a screw rod 21, the screw rod 21 is driven by a motor and is beneficial to realizing the automatic operation of the device, the screw block 20 is connected with a fixed sliding shaft 22 at the top of a shell 2, two groups of fixed sliding shafts 22 are arranged, the two groups are axially symmetrical about the screw rod 21 and are beneficial to the stable movement of the screw block 20 on the screw rod 21, a fixed block 23 is fixedly connected to the side surface of the cutting knife 15, a, the bottom surface of the pressing block 26 is a cambered surface, so that the friction between the pressing block 26 and the leather 14 when the cutting knife 15 moves can be reduced, and a spring 27 is arranged between the pressing block 26 and the fixing block 23.

The working principle is as follows: put leather 14 on placing board 4, then with fixed cover 17 in the dress of connecting rod 16, accomplish the installation of cutting knife 15, make briquetting 26 be located leather 14 simultaneously, it is fixed to extrude leather 14, in order to do benefit to the cutting, the starter motor, the motor drives the lead screw 21 motion, screw block 20 has been cup jointed on the lead screw 21, then can make the lead screw 21 motion drive screw block 20 motion, and then drive cutting knife 15 and cut leather 14, through passing fixed pull buckle 10 with cutting knife 15, then can make cutting knife 15 move the time drive chain head 9 move right, and then draw in sprocket 7 and chain cloth 8 of both sides in, then bracer 12 on the chain cloth 8 can make the leather 14 that has cut of top draw close together through the friction, in order to reduce its degree of natural fracture, and then to leather 14 different positions application of force roughly the same when keeping cutting knife 15 to cut, keep notched stability. And the leather 14 is in a folding state under the action of the lower supporting block 12, the incision conditions of different parts of the leather 14 can be observed slowly by pulling back the chain head 9 conveniently, and the cutting effect can be observed conveniently.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.