Artificial leather slitting device

Abstract

The utility model discloses an artificial leather slitting device which comprises a box body, a lead screw and a scale rod are arranged above the box body, the lead screw and the scale rod are arranged in the width direction of the box body and are parallel to each other, two sets of threaded sections with opposite rotating directions are arranged on the lead screw, a lead screw nut is in threaded connection with each threaded section, and the scale rod is arranged on the box body. The cutting device further comprises a driving mechanism for driving the lead screw to rotate, a cutting component is detachably installed on the lead screw nut, the cutting component is in sliding connection with the scale rod in the axial direction of the scale rod, a cutting knife extending downwards into the inner cavity of the box body is fixedly arranged on the cutting component, and rotation of the lead screw nut is limited through the cutting component. The positions of the two lead screw nuts are adjusted through the driving mechanism, then the positions of the cutting knives can be adjusted, at the moment, the distance between the cutting knives can be accurately read according to scales on the scale rod, and the problem that the reading accuracy is affected due to shaking of the cutting knives in the moving process of the lead screw nuts is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of artificial leather slitting, in particular to an artificial leather slitting device. Background Art

[0002] Artificial leather is a plastic product that looks and feels like leather and can be used as a substitute for it. It is usually made of fabric as a base, coated with synthetic resin and various plastic additives.

[0003] Artificial leather needs to be stretched and cut during processing. In order to cut artificial leather with high width accuracy, the utility model patent with authorization announcement number CN211712219U discloses an artificial leather base stretching, cutting and winding machine, which passes the artificial leather through a box body, and then two sets of cutting blades are provided on the box body, which are inserted into the inner cavity of the box body and cut the artificial leather. The cutting blades are directly welded to the bottom end of the lead screw nut, and the distance between the cutting blades is adjusted by using the cooperation between the lead screw and the lead screw nut, and a scale is provided on the top wall of the box body. When the lead screw rotates, the lead screw nut at this time limits its own rotation through the abutment between the cutting blade and the box body. At this time, the cutting blade is easy to move, resulting in a large error in the distance reading between the two cutting blades, which affects the accuracy of artificial leather cutting.

[0004] Therefore, how to design a slitting device that improves the cutting accuracy of artificial leather has become a technical problem that needs to be solved urgently by people in this field. Utility Model Content

[0005] In order to solve at least one of the technical problems mentioned in the background technology, the purpose of the present invention is to provide an artificial leather slitting device to solve the problem of large cutting errors of artificial leather.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A device for slitting artificial leather includes a box body, with a screw rod and a scale rod provided above the box body, wherein the screw rod and the scale rod are arranged along the width direction of the box body and are parallel to each other, the screw rod is provided with two groups of threaded segments with opposite rotation directions, each threaded segment is threadedly connected to a screw rod nut, and further includes a driving mechanism for driving the screw rod to rotate, a cutting component is detachably mounted on the screw rod nut, the cutting component is slidably connected to the scale rod along the axial direction of the scale rod, and a cutting knife is fixed on the cutting component and extends downward into the inner cavity of the box body.

[0008] Furthermore, the cutting component includes a positioning member, the scale rod is provided with a slide groove arranged along the axial direction of the scale rod, the positioning member is provided with a plug-in block inserted into the slide groove, the plug-in block is slidably connected to the slide groove, the cutting knife is installed on the bottom wall of the positioning member, and the cutting member also includes a mounting member for connecting the positioning member to the screw nut.

[0009] Further, the scale rod is provided with scale lines, the positioning member is fixedly provided with a C-shaped clamping piece in longitudinal section, the clamping piece is buckled on the outer side of the scale rod, the plug-in block is fixed on the clamping piece, and the clamping piece is provided with an indication mark.

[0010] Further, the bottom wall of the positioning member is provided with a connecting seat, the connecting seat is downwardly open, the peripheral wall of the connecting seat is provided with an opening communicating with the opening, the outer side of the connecting seat is provided with a positioning ring threadedly connected with the connecting seat, and the end of the cutting knife is plugged into the opening of the connecting seat during installation of the cutting knife.

[0011] Further, the connecting seat is provided with a positioning groove in the opening, the cutting knife is fixedly provided with a positioning block, the positioning block is plugged into the positioning groove during installation of the cutting knife, and the side wall of the positioning block abuts against the side wall of the positioning groove.

[0012] Further, the lead screw nut is provided with a mounting seat, the mounting seat is provided with an open upward clamping groove, the mounting member comprises a clamping plate, a stud and a threaded hole, the threaded hole is arranged on the positioning member, the stud is fixedly connected with the clamping plate, the stud is threadedly connected with the threaded hole, and the clamping plate is plugged into the clamping groove.

[0013] Further, the stud is fixedly connected with a rotating seat.

[0014] Further, the top wall of the box body comprises a fixedly connected positioning seat, the lead screw is rotationally connected with the positioning seat, the scale rod is fixedly connected with the positioning seat, the driving mechanism comprises a motor, the motor is fixedly installed on the positioning seat, and the output shaft of the motor is fixedly connected with the lead screw.

[0015] Further, the top wall of the box body is provided with a plug-in groove, and the cutting knife extends into the inner cavity of the box body through the plug-in groove.

[0016] Further, a driving roller for the artificial leather to pass through is rotationally installed in the inner cavity of the box body, and the driving roller is provided with two groups of reverse threads in opposite rotation directions.

[0017] Compared with the prior art, the cutting part is installed between the lead screw nut and the scale rod, the rotation of the lead screw nut is limited by the cutting part, the positions of the two lead screw nuts are adjusted by the driving mechanism, and then the position of the cutting knife can be adjusted, at this time, the distance between the cutting knives can be accurately read according to the scales on the scale rod, and the problem that the reading accuracy is affected by the shaking of the cutting knife during the movement of the lead screw nut is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first angle structure schematic view of the utility model.

[0019] Figure 2 It is the second angle structure schematic view of the utility model;

[0020] Figure 3 It is the internal structure schematic view of the utility model;

[0021] Figure 4 It is the sectional view of the utility model;

[0022] Figure 5 It is the local expansion schematic view of the utility model;

[0023] Figure 6 It is the expansion schematic view of cutting part;

[0024] Figure 7 It is the structure schematic view of connecting piece.

[0025] In the drawing: 1, box body; 10, positioning seat; 11, feed inlet; 12, first outlet; 13, second outlet; 14, insertion slot; 2, driving mechanism; 21, motor; 22, screw rod; 23, screw rod nut; 231, mounting seat; 232, clamping groove; 3, cutting part; 31, positioning piece; 311, threaded hole; 32, clamping piece; 321, indication mark; 322, plug-in block; 33, mounting piece; 331, clamping plate; 332, stud; 333, rotating seat; 34, connecting piece; 341, connecting seat; 342, positioning ring; 343, positioning groove; 35, cutting knife; 351, positioning block; 4, scale rod; 41, sliding groove; 42, scale line; 5, guide roller; 6, driving roller; 61, reverse thread. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] The embodiment provides a kind of artificial leather slitting device, mainly for improving the precision of artificial leather cutting, simultaneously, it is convenient to replace cutting piece.

[0028] As Figure 1 And Figure 5As shown, including the box 1 and through the box 1 of artificial leather, the box 1 is provided with a screw rod 22 and a scale rod 4 along the width direction of the box 1, wherein the screw rod 22 is parallel to the scale rod 4, the screw rod 22 is provided with two groups of reverse thread segments, specifically, the reverse thread segments are respectively threadedly connected with screw nuts 23, the screw nuts 23 are detachably connected with the cutting component 3, the cutting component 3 is slidably connected with the scale rod 4, the cutting component 3 is fixedly provided with a cutting knife 35 extending downward into the inner cavity of the box 1 to cut the artificial leather, and the driving mechanism 2 is used to drive the screw rod 22 to rotate.

[0029] It is worth noting that the scale rod 4 is provided with a scale line 42, and the cutting component 3 is slidably connected along the length direction of the scale rod 4.

[0030] Through the above arrangement, the driving mechanism 2 drives the screw rod 22 to rotate, since the screw rod 22 is parallel to the scale rod 4, the screw nuts 23 are connected with the scale rod 4 through the cutting component 3, which can limit the screw nuts 23 from rotating along the circumferential direction, thereby realizing the relative movement of the two screw nuts 23, since the cutting knife 35 is installed on the cutting component 3, thereby changing the distance between the two cutting knives 35, at this time, the accurate distance between the two cutting knives 35 can be read according to the scale line 42 on the scale rod 4. Improve the accuracy of artificial leather cutting.

[0031] Specifically, in order to realize the installation of the screw rod 22 and the scale rod 4, in the embodiment, as shown in Figure 2 and Figure 3 As shown, the top wall of the box 1 is fixedly provided with two groups of oppositely arranged positioning seats 10, wherein the screw rod 22 is rotatably connected with the positioning seat 10, and the scale rod 4 is fixedly connected with the positioning seat 10.

[0032] In order to realize the rotation of the screw rod 22, in the embodiment, as shown in Figure 3 and Figure 5 As shown, the driving mechanism 2 includes a motor 21, wherein the motor 21 is fixedly installed on the positioning seat 10, and the output shaft of the motor 21 is fixedly connected with the screw rod 22.

[0033] In order to be able to insert the cutting knife 35 into the inner cavity of the box 1, in the embodiment, as shown in Figure 4 As shown, the top wall of the box 1 is provided with an insertion slot 14 communicating with the inner cavity of the box 1, wherein the insertion slot 14 is arranged along the width direction of the box 1, the cutting knife 35 extends vertically downward, passes through the insertion slot 14 and extends into the inner cavity of the box 1 to cut the artificial leather.

[0034] It is worth noting that the cutting edge of the cutting knife 35 is opposite to the moving direction of the artificial leather.

[0035] In order to realize the installation of the cutting knife 35, in the embodiment, as shown in Figure 6 and Figure 7 , the cutting component 3 comprises a positioning piece 31 connected with the cutting knife 35 through a connecting piece 34, wherein the connecting piece 34 comprises a connecting seat 341 installed on the bottom wall of the positioning piece 31, the connecting seat 341 is provided with an opening for the insertion of the cutting knife 35, and the outer wall of the connecting seat 341 is further provided with external threads, and the positioning piece 31 further comprises a positioning ring 342 sleeved on the outer side of the connecting seat 341 and threadedly connected with the peripheral wall of the connecting seat 341, wherein the peripheral wall of the connecting seat 341 is provided with a plurality of slits in communication with the opening, and when the cutting knife 35 is inserted into the opening of the connecting seat 341, the positioning ring 342 is rotated to tightly hold the connecting seat 341, thereby completing the fixation of the cutting knife 35.

[0036] When the blade of the cutting knife 35 is subjected to a lateral pushing force, the cutting knife 35 is prone to deflection, which causes the blade to be skewed and affects the slitting quality of the artificial leather, therefore, in the embodiment, in order to accurately position the cutting knife 35, as shown in Figure 6 and Figure 7 , the opening of the connecting seat 341 is provided with a positioning groove 343, and the cutting knife 35 is fixedly provided with a positioning block 351, when the cutting knife 35 is inserted into the opening of the connecting seat 341, the positioning block 351 is inserted into the positioning groove 343 at this time, and the side wall of the positioning block 351 abuts against the inner wall of the positioning groove 343 to limit the circumferential rotation of the cutting knife 35, thereby accurately positioning the cutting knife 35.

[0037] In order to ensure the stable sliding of the cutting component 3 and the scale rod 4, in the embodiment, as shown in Figure 5 and Figure 6 , the positioning piece 31 is fixedly installed with a C-shaped clamping piece 32, wherein the clamping opening of the clamping piece 32 clamps the outer side of the scale rod 4, the scale rod 4 is provided with a sliding groove 41 arranged along the length direction of the scale rod 4, and the clamping piece 32 is fixedly provided with an insertion block 322 inserted into the sliding groove 41, wherein the bottom wall and the top wall of the insertion block 322 are in sliding connection with the bottom wall and the top wall of the sliding groove 41.

[0038] Through the above arrangement, the cooperation of the sliding groove 41 and the insertion block 322 can limit the rotation of the clamping piece 32 around the axis of the scale rod 4, and ensure the stable sliding of the positioning piece 31 along the length direction of the scale rod 4.

[0039] In order to realize the detachable connection of the positioning piece 31 and the screw nut 23, in the embodiment, as shown in Figure 5 , the screw nut 23 is provided with a mounting seat 231, and the mounting seat 231 is connected with the positioning piece 31 through a mounting piece 33.

[0040] Specifically, in the embodiment, as shown in Figure 5 and Figure 6 , the mounting seat 231 is provided with a clamping groove 232 opening upward, the mounting piece 33 includes a clamping plate 331, a stud 332 and a threaded hole 311, wherein the stud 332 is fixedly installed on the clamping plate 331, the threaded hole 311 is arranged on the positioning piece 31, and the stud 332 is threadedly connected with the threaded hole 311. When the positioning piece 31 is connected with the screw nut 23, the clamping plate 331 is inserted into the clamping groove 232, and then the stud 332 is gradually withdrawn from the threaded hole 311 by rotating the stud 332, so that the cutting component 3 is pushed between the screw nut 23 and the scale rod 4.

[0041] In order to facilitate the rotation of the stud 332, in the embodiment, as shown in Figure 6 , the stud 332 is further fixedly provided with a rotating seat 333.

[0042] Through the above arrangement, by rotating the rotating seat 333, the length of the stud 332 in the threaded hole 311 can be changed, so that the tightness of the cutting component 3 can be adjusted. When it is needed to remove the cutting component 3 from the screw nut 23, the stud 332 is retracted into the threaded hole 311 at this time, and then the insertion block 322 is taken out of the sliding groove 41, so that the cutting component 3 can be disassembled.

[0043] When it is needed to install the cutting component 3, the insertion block 322 is inserted into the sliding groove 41, and then the clamping piece 32 is clamped on the outside of the scale rod 4. The stud 332 is withdrawn from the threaded hole 311 by rotating the rotating seat 333, the clamping plate 331 is inserted into the clamping groove 232, and then the rotating seat 333 is fine-tuned, so that the cutting component 3 can be installed.

[0044] In order to further improve the accuracy of reading between the two cutting knives 35, in the embodiment, as shown in Figure 6 , the clamping piece 32 is provided with an indication mark 321, wherein the indication mark 321 is opposite to the scale line 42 on the scale rod 4.

[0045] In the embodiment, as shown in Figure 5 and Figure 6 , the indication mark 321 is triangular.

[0046] In order to realize the movement of the artificial leather, in the embodiment, as shown in Figure 3 and Figure 4 , two groups of driving rollers 6 are rotatably arranged in the inner cavity of the box body 1, and the artificial leather passes around the driving rollers 6. One group of driving rollers 6 is used to drive the artificial leather to rotate and convey the artificial leather into the inner cavity of the box body 1, and the other driving roller 6 outputs the artificial leather outside the inner cavity of the box body 1.

[0047] Specifically, in the embodiment, as shown in Figure 4 the right side of the box 1 is provided with a feeding port 11, and the left side of the box 1 is provided with a discharging port, and the artificial leather enters the inner cavity of the box 1 from the feeding port 11, and then is transported outwards from the discharging port.

[0048] In order to prevent the artificial leather from being creased and affecting the slitting of the artificial leather, in the embodiment, as shown in Figure 3 and Figure 4 two groups of reverse threads 61 with opposite spiral directions are arranged on the driving roller 6 near the feeding port 11, and the artificial leather is wound around the reverse threads 61, and when the driving roller 6 rotates, the reverse threads 61 will stretch the artificial leather to both sides, solving the problem of artificial leather creases.

[0049] In order to facilitate the cutting of the artificial leather, in the embodiment, as shown in Figure 3 and Figure 4 a guide roller 5 located on the same horizontal plane is further arranged in the inner cavity of the box 1, and the guide roller 5 is located on the upper side of the driving roller 6, and the artificial leather is wound around the guide roller 5, and at this time, the artificial leather is in a horizontal state, facilitating the slitting of the artificial leather by the cutting knife 35.

[0050] In order to separate and output the cutting waste and the finished artificial leather, in the embodiment, as shown in Figure 2 and Figure 4 the discharging port includes a first outlet 12 and a second outlet 13, wherein the second outlet 13 is located above the first outlet 12, the waste passes out of the box 1 from the second outlet 13, and the finished artificial leather after cutting passes around the driving roller 6 away from the feeding port 11 and passes out of the box 1 from the first outlet 12.

[0051] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. An artificial leather slitting device, comprising a housing (1), characterized in that: A screw rod (22) and a scale rod (4) are provided above the box body (1), wherein the screw rod (22) and the scale rod (4) are arranged along the width direction of the box body (1) and are parallel to each other, the screw rod (22) is provided with two groups of threaded segments with opposite rotation directions, each threaded segment is threadedly connected with a screw nut (23), and further includes a driving mechanism (2) for driving the screw rod (22) to rotate, and a cutting component (3) is detachably mounted on the screw nut (23), the cutting component (3) and the scale rod (4) are slidably connected along the axial direction of the scale rod (4), and a cutting knife (35) is fixedly provided on the cutting component (3) and extends downward into the inner cavity of the box body (1).

2. The artificial leather slitting device according to claim 1, characterized in that: The cutting component (3) includes a positioning member (31), a sliding groove (41) arranged along the axial direction of the scaling rod (4) is provided on the positioning member (31), a plug-in block (322) is inserted into the sliding groove (41), and the plug-in block (322) is slidably connected to the sliding groove (41), and the cutting knife (35) is installed on the bottom wall of the positioning member (31). The cutting component (3) also includes a mounting member (33) for connecting the positioning member (31) with the screw nut (23).

3. The artificial leather slitting device according to claim 2, characterized in that: A scale line (42) is provided on the scale rod (4), a card and piece (32) with a C-shaped longitudinal section is fixed on the positioning piece (31), the card and piece (32) is buckled on the outer side of the scale rod (4), a plug-in block (322) is fixed on the card and piece (32), and an indicator mark (321) is provided on the card and piece (32).

4. The artificial leather slitting device according to claim 2, characterized in that: The bottom wall of the positioning member (31) is provided with a connecting seat (341), the connecting seat (341) has a downward opening, a notch connected to the opening is provided on the peripheral wall of the connecting seat (341), and a positioning ring (342) threadedly connected to the connecting seat (341) is provided on the outer side of the connecting seat (341). When the cutting knife (35) is installed, the end of the cutting knife (35) is inserted into the opening of the connecting seat (341).

5. The artificial leather slitting device according to claim 4, characterized in that: A positioning groove (343) is provided in the opening of the connecting seat (341), and a positioning block (351) is fixedly provided on the cutting knife (35). When the cutting knife (35) is installed, the positioning block (351) is inserted into the positioning groove (343), and the side wall of the positioning block (351) abuts against the side wall of the positioning groove (343).

6. The artificial leather slitting device according to claim 2 or 3, characterized in that: The screw nut (23) is provided with a mounting seat (231), and the mounting seat (231) is provided with a clamping groove (232) with an opening facing upward. The mounting member (33) comprises a clamping plate (331), a stud (332) and a threaded hole (311), and the threaded hole (311) is provided on the positioning member (31), the stud (332) is fixedly connected to the clamping plate (331), the stud (332) is threadedly connected to the threaded hole (311), and the clamping plate (331) is inserted into the clamping groove (232).

7. The artificial leather slitting device according to claim 6, characterized in that: A rotating seat (333) is fixedly connected to the stud (332).

8. The artificial leather slitting device according to claim 1, characterized in that: The top wall of the box body (1) includes a fixedly connected positioning seat (10), the screw rod (22) is rotatably connected to the positioning seat (10), the scale rod (4) is fixedly connected to the positioning seat (10), and the driving mechanism (2) includes a motor (21), the motor (21) is fixedly mounted on the positioning seat (10), and the output shaft of the motor (21) is fixedly connected to the screw rod (22).

9. The artificial leather slitting device according to claim 1, characterized in that: The top wall of the box body (1) is provided with an insertion slot (14), and the cutting knife (35) passes through the insertion slot (14) and extends into the inner cavity of the box body (1).

10. The artificial leather slitting device according to claim 7, characterized in that: A driving roller (6) for the artificial leather to pass around is rotatably installed in the inner cavity of the box body (1), and the driving roller (6) is provided with two groups of reverse threads (61) with opposite rotation directions.

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