CN216968746U

CN216968746U - Tire cord fabric cutting device with improved structure

Info

Publication number: CN216968746U
Application number: CN202220290536.1U
Authority: CN
Inventors: 孙志洪; 李云开; 余志清; 吕家乐; 陈芳
Original assignee: Xiamen Honghai Machinery Co ltd
Current assignee: Xiamen Honghai Machinery Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-07-15
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a tire cord fabric cutting device with an improved structure, which comprises a frame, wherein the frame comprises a top plate, a bottom plate and a cutting frame, wherein the top plate, the bottom plate and the cutting frame are fixedly arranged on a cord fabric conveyor body in a parallel manner; the top plate is provided with an angle regulator for actuating the cutting frame to rotate and regulate the cutting angle of the cutting device, and the angle regulator comprises a bearing rotatably connected between the top plate and the cutting frame and a driven gear which is sleeved and fixed on an outer ring of the bearing and is used for driving the cutting frame to rotate and regulate the angle; the curtain cloth feeding frame is simple and compact in overall structure, convenient to mount on the curtain cloth feeding frame, and large in cutting angle adjusting range; the angle regulator drives the cutting frame to rotate flexibly and lightly, and the cutting angle is regulated quickly; the angle regulator stops working, namely, the driven gear is locked by self-locking, and the cutting angle of the cutting device is locked.

Description

Tire cord fabric cutting device with improved structure

Technical Field

The utility model relates to cutting equipment for tire production materials, in particular to a tire cord fabric cutting device with an improved structure.

Background

The components required by tire production are provided with cord fabric layers, so that the cut cord fabric presents a preset angle and width for convenient splicing and edge covering, and a cutter needs to be inclined at a certain angle before the tire cord fabric is cut. For example, in a cutting device for a tire cord fabric cutting machine disclosed in the chinese utility model patent (CN203901751U), an arc guide rail 22 with a dial 21 is installed on a conveyor belt frame 1, rollers 5 matched with the arc guide rails 22 are installed at the bottom ends of both sides of a support frame 3, and the cutting device is slidably arranged on the support frame 3 and is used for cutting and cutting the cord fabric back and forth; the angle adjusting device is arranged on the machine frame 1 and used for adjusting the cutting angle of the cutting device, and the supporting frame 1 is in transmission connection with the angle adjusting device; the angle adjusting device comprises a screw rod 6 and a screw rod driving motor 7 which are fixedly arranged, and the support frame 3 is sleeved on the screw rod 6 and is in transmission connection with the screw rod 6; the screw driving motor 7 drives the screw 7 to pull the support frame 3, the lower support frame 3 is guided to horizontally rotate by the matching of the arc guide rail 22 and the roller 5, the angle between the tangent line of the linear cutting of the cutting device and the conveying cord fabric direction of the conveying belt is adjusted, and the purpose of obliquely cutting the tire cord fabric by the cutting knife of the cutting device is achieved; the brake device 4 is arranged at the outer edge of the angle scale 21 in a sliding manner and is fixedly connected with the body of the support frame 3, the support frame 3 drives the brake device 4 to move together when moving, and the brake device 4 is used for locking the support frame 3 after the angle is adjusted; the angle adjusting structure of the cutter supporting frame of the cutting device of the tire cord fabric cutting machine has the following problems: firstly, the mounting structure is complex, two sections of arc guide rails 22 are mounted on the rack 1 to occupy the space on the side surface of the rack 1, and the angle at which the two sections of arc guide rails 22 can guide the support frame 3 to rotate is limited: secondly, the weight of the support frame 3 and the cutting device thereon is borne by the roller 5, the roller 5 is in sliding fit with the arc guide rail 22, the screw 7 is driven by the screw driving motor 7 to generate strong traction force to drive the support frame 3, and the angle adjustment is not portable enough; the screw driving motor 7 needs to drive the screw 7 to pull the support frame 3 to rotate and adjust the angle at a constant speed slowly one wire by one wire, the consumed time is long, the adjusting efficiency is low, and the screw driving motor is not provided with an instant self-locking mechanism, so that the support frame 3 needs to be locked by the brake device 4 additionally, and the angle adjusting operation of the support frame 3 bearing the cutting knife is not convenient enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a tire cord fabric cutting device with an improved structure, which has small installation space on a cord fabric feeding frame, can directly drive a horizontal rotating support center of a cutting frame for installing a cutting device to rotate, has a large range of adjusting the cutting angle of the cord fabric, can form angle self-locking after being adjusted, ensures accurate precision of the cutting angle and is very convenient and fast to use.

In order to achieve the above object, the present invention provides a tire cord cutting device with improved structure, which comprises a frame, and is characterized in that: the frame comprises a top plate, a bottom plate and a cutting frame, wherein the top plate and the bottom plate are fixedly arranged on the curtain cloth conveyor belt body in parallel, the cutting frame is horizontally rotatably connected between the top plate and the bottom plate in a center, and a cutting device for cutting the curtain cloth is arranged on the cutting frame; the roof on install an angle regulator that is used for actuating cutting frame rotary regulation cutting device cutting angle, this angle regulator contains a rotation and connects bearing, a suit between roof and cutting frame and fixes and be used for driving the driven gear that cuts a frame rotation angle regulation in the bearing outer lane.

The angle regulator also comprises an actuating gear mechanism, an actuating rack mechanism or an actuating worm mechanism which is arranged on the top plate and is used for meshing and driving the driven gear to rotate; once the actuating gear mechanism, the actuating rack mechanism or the actuating worm mechanism stops working, the driven gear is automatically braked, so that the driven gear cannot rotate, the rotating angle of the cutting frame can be automatically locked, and the cutting angle is ensured to be accurate; the utility model preferentially adopts an actuating rack mechanism to drive the driven gear to rotate.

The actuating rack mechanism comprises a rack which is arranged on a top plate and is meshed with a driven gear, a threaded sleeve which pulls the rack to slide, and a screw rod which drives a connecting threaded sleeve to move along the threaded sleeve; the screw rod can drive the threaded sleeve to slide along the screw rod, the threaded sleeve pulls the rack to move to drive the driven gear to rotate, the cutting frame is enabled to rotate horizontally, the screw rod stops rotating, and the angle formed by the cutting frame and the conveying direction of the curtain cloth is the angle of the curtain cloth cut by the cutting device.

The actuating rack mechanism also comprises a hand wheel which is arranged on the outer side of the top plate and fixedly connected to the end part of the screw rod or a servo motor which is arranged on the top plate and used for actuating the screw rod to rotate; the utility model preferentially adopts a hand wheel to drive the screw rod to rotate. The hand wheel is adopted to rotate the screw rod at variable speed, the screw sleeve is displaced by rotating the screw rod, and the displacement of the screw sleeve is converted into the sliding of the rack, so that the rack can easily drive the driven gear to rotate, the angle formed by the cutting frame and the conveying direction of the curtain cloth can be changed, and the aim of adjusting the angle of the curtain cloth cut by the cutting device can be fulfilled.

The top of the cutting frame is provided with a cross beam, and a rodless cylinder for driving a cutting device to cut the curtain cloth is arranged in the cross beam. The curtain cloth cutting efficiency is high by adopting the rodless cylinder to drive the cutting device.

The cutting device comprises a sliding block which is arranged at the bottom of a cross beam in a sliding mode and is pulled by a rodless cylinder, a first lifting cylinder fixedly arranged on the sliding block, and a cutter mounting frame arranged at the output end of the first lifting cylinder. The slider that pulls through rodless cylinder drives first lift cylinder and cut-off knife mounting bracket and follows straight line round trip movement in the lump, descends the cut-off knife mounting bracket through first lift cylinder, can make the cut-off knife on the cut-off knife mounting bracket descend in order to cut the curtain cloth, and first lift cylinder also can pull up the cut-off knife mounting bracket and break away from the curtain cloth.

The cutting device also comprises a knife passing plate and a knife anvil plate which are fixedly connected to the bottom of the cutting frame in parallel and used for the cord fabric to pass through, wherein the knife passing plate is provided with a long slotted hole for the cut-off knife on the cut-off knife mounting frame to pass through and slide and an inclined plane opening for the cord fabric to slide up and down; and a component force base plate is arranged on the knife anvil plate on the side of the knife board curtain cloth cutting output side, and the component force base plate enables the conveying belt to form an inclined upward folding surface. The conveyer belt passes through the lower part of the knife anvil plate, the curtain cloth conveyed by the conveyer belt passes through the space between the knife passing plate and the knife anvil plate, and the cutter on the cutter mounting frame passes through the curtain cloth from the long slotted hole and then transversely slides along the long slotted hole, so that the curtain cloth can be cut off. The component force base plate can enable the conveying belt to quickly drive the curtain cloth at the corner face of the component force base plate, so that the cut curtain cloth is more easily peeled off and is taken away from the cutter plate, and the phenomenon of material blockage caused by the fact that the cut curtain cloth with a fixed length cannot be carried away by the conveying belt is prevented.

The cutting device also comprises two material pressing plates which are arranged on the front side and the rear side of the cutter passing plate in parallel, and each material pressing plate is arranged on the cross beam through a second lifting cylinder. Before the curtain cloth is cut by the lower knife, the air cylinder rod of the second lifting air cylinder descends to drive the pressing plate to compress the curtain cloth, so that the curtain cloth is prevented from running or folding when the cut-off knife on the cut-off knife mounting frame cuts the curtain cloth, and the cutting line of the curtain cloth is ensured to be straight.

The center of the bottom plate of the utility model is rotationally connected with the center of the bottom of the knife anvil plate through a pivot. By the design, the rotating center of the bottom of the cutting frame is supported by the pivot, and the center of the top of the cutting frame is connected by the bearing, so that the cutting frame can rotate between the top plate and the bottom plate flexibly, namely, the driven gear can drive the cutting frame to rotate by using smaller torque force.

The connecting combination of the bearing and the driven gear can be replaced by an external tooth rotary supporting bearing and the like.

The utility model has the beneficial effects that:

the utility model has simple and compact integral structure, is convenient to install on the curtain cloth feeding frame and has large cutting angle adjusting range;

the angle regulator drives the cutting frame to rotate flexibly and conveniently, and the cutting angle is regulated quickly;

the angle regulator stop work, auto-lock locking driven gear promptly, the cutting angle of locking cutting device, it is accurate to cut the angle, cuts efficiency and improves.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a three-dimensional schematic view of the present invention.

Fig. 4 is a schematic front view of the present invention.

Fig. 5 is a sectional view a-a of fig. 4.

Fig. 6 is an enlarged view of the structure of the portion B of fig. 5.

The figures in the drawings are identified as: 10. a frame; 11. a top plate; 12. a base plate; 121. a pivot; 13. a cutting frame; a cross beam 131; 20. an angle adjuster; 21. a bearing; 22. a driven gear; 23. a rack; 24. a screw rod; 25. a threaded sleeve; a hand wheel; 30. a dicing device; 31. a slider; 32. a first lifting cylinder; 33. a cutter mounting rack; 331. a cutter; 34. passing a cutter plate; 341. a long slot hole; 342. a bevel port; 35. a chopping board; 351. a component force backing plate; 36. a material pressing plate; 361. a second lifting cylinder; 40. a rodless cylinder; 50. a conveyor belt; 60. a cord fabric;

Detailed Description

The utility model is further illustrated with reference to the following figures and examples.

The tire cord cutting device with the improved structure shown in fig. 1 is assembled by a frame 10, an angle regulator 20, a cutting device 30 and a rodless cylinder 40.

As shown in fig. 1 to 5, the frame 10 of the present invention comprises a top plate 11, a bottom plate 12 and a cutting frame 13 with a horizontal turning center installed therebetween, which are fixedly installed on the curtain fabric conveyor body in parallel, a cutting device 30 for cutting the curtain fabric is installed on the cutting frame 13, and the angle of the cutting device 30 to the curtain fabric is changed by rotating the cutting frame 13.

As shown in fig. 1 to 3, an angle adjuster 20 is mounted on the top plate 11 of the present invention, the angle adjuster 20 is used for actuating the cutting frame 13 to rotate to adjust the cutting angle of the cutting device 30, the angle adjuster 20 comprises a bearing 21 rotatably connected between the top plate 11 and a top cross beam 131 of the cutting frame 13, a driven gear 22 fixedly coupled to an outer ring of the bearing 21 for driving the cutting frame 13 to rotate to adjust the cutting angle, and a driving rack mechanism mounted on the top plate 11 for driving the driven gear 22 to rotate, the driving rack mechanism comprises a rack 23 mounted on the top plate 11 and engaged with the driven gear 22, a threaded sleeve 25 for driving the rack 23 to slide, a threaded rod 24 for driving the connecting threaded sleeve 25 to move along, and a hand wheel 26 mounted on an outer side of the top plate 11 and fixedly connected to an end of the threaded rod 24.

As shown in fig. 1 and 2, the angle adjuster 20 is detailed to actuate the horizontal rotation of the cutting frame 13 between the top plate 11 and the bottom plate 12 to adjust the cutting angle of the curtain cloth by the cutting device 30. The hand wheel 26 is rotated to drive the screw rod 24 to rotate, the threaded sleeve 25 moves on the screw rod 24, the threaded sleeve 25 pulls the traction rack 23 to slide, the rack 23 drives the driven gear 22 to rotate, the driven gear 22 drives the cutting frame 13 to horizontally rotate, when the cutting frame 13 rotates to a preset curtain cloth cutting angle, the hand wheel 26 stops rotating, and the curtain cloth cutting angle of the cutting device 30 on the cutting frame 13 can be achieved. And when the screw rod 24 stops rotating, the threaded sleeve 25 cannot move on the screw rod 24, so that the rack 23 cannot slide, namely, the convex teeth of the rack 23 can clamp and lock the tooth grooves of the driven gear 22, the driven gear 22 cannot rotate, the cutting frame 13 is locked in a rotation stop state, the angle of the cord fabric cut by the cutting device 30 is locked, and the cutting angle is accurate.

As shown in fig. 1 to 6, a rodless cylinder 40 for driving the cutting device 30 to cut the curtain cloth is arranged in a top cross beam 131 of the cutting frame 13 of the utility model; the cutting device 30 comprises a sliding block 31 which is arranged at the bottom of the cross beam 131 in a sliding way and is dragged by a rodless cylinder 40, a first lifting cylinder 32 which is fixedly arranged on the sliding block 31, a cutter mounting frame 33 which is arranged at the output end of the first lifting cylinder 32, a cutter passing plate 34 and a cutter anvil plate 35 which are fixedly connected at the bottom of the cutting frame 13 in parallel and are used for curtain cloth to pass through, wherein the cutter passing plate 34 is provided with a long slotted hole 341 for the cutter on the cutter mounting frame 33 to pass through and slide, and an inclined plane hole 342 for the curtain cloth 60 to slide up and down; a component force backing plate 351 is arranged on the knife anvil plate 35 on the side of the knife board 34 where the cord fabric is cut and output, and the component force backing plate 351 enables the conveying belt 50 to form an inclined upward folding surface; the automatic feeding device also comprises two material pressing plates 36 which are arranged on the front side and the rear side of the cutter passing plate 34 in parallel, and each material pressing plate 36 is arranged on the cross beam 131 through a second lifting cylinder 361; up to this point, the installation of the rodless cylinder 40 and the dicing apparatus 30 on the cutting frame 13 is achieved.

As shown in fig. 1 to 6, the working principle of the cut-off curtain cloth of the utility model is explained in detail: the conveyer belt 50 of the conveyer belt body passes through the bottom of the cutter chopping block 35, when the conveyer belt conveys the curtain cloth to the position of the cutter chopping block 35, the curtain cloth 60 is limited at the bottom surface of the cutter passing plate 34, under the guidance of the inclined plane opening 342 on the cutter chopping block 35, the curtain cloth is separated from the conveyer belt 50 at the position of the cutter chopping block 35 and passes through the space between the cutter passing plate 34 and the cutter chopping block 35, when the curtain cloth reaches the preset length position, the conveyer belt 50 stops working, the cylinder rod of the second lifting cylinder 361 drives the material pressing plate 36 to press the curtain cloth at two sides of the cutter chopping block 35 downwards, so that the curtain cloth is flatly pressed on the cutter chopping block 35, then the first lifting cylinder 32 actuates the cutter mounting frame 33 to move downwards, so that the cutter passes through the long slotted hole 341 of the cutter passing plate 34 to reach the edge of the curtain cloth, then the slide block 31 pulled by the rodless cylinder 40 moves to drive the first lifting cylinder 32, the cutter mounting frame 33 and the cutter to linearly and transversely slide together, so that the cutter cuts off the curtain cloth 60 on the cutter chopping block 35, the cutting of the curtain 60 is completed.

As shown in fig. 6, after the curtain cloth 60 is cut off by the cutter 331, the conveyor 50 is started to operate, and at the outlet between the knife passing plate 34 and the knife anvil 35, the component force pad 351 makes the conveyor 50 form an upward folding surface, which increases the instantaneous upward pressure of the conveyor 50 on the curtain cloth 60, i.e. increases the instantaneous friction of the conveyor 50 on the curtain cloth 60, so that the conveyor 50 can more easily peel and carry the curtain cloth 60 off from the knife passing plate 34, and the curtain cloth 60 and the knife passing plate 34 can be prevented from being peeled off in time to cause blockage.

As shown in fig. 1, 4, 5 and 6, the center of the bottom plate 12 of the present invention is rotatably connected to the center of the bottom of the knife anvil 35 via a pivot 121, so that the top center of the cutting frame 13 is rotatably supported and connected to the center of the top plate 11 via the bearing 21, and the bottom center of the cutting frame 13 is rotatably supported and connected to the center of the bottom plate 12 via the pivot 121, so that the cutting frame 13 can be easily and flexibly rotated between the top plate 11 and the bottom plate 12, and the rack 23 of the present invention can drive the driven gear 22 to rotate the cutting frame 13 without using too much force, which is also the reason why the present invention preferentially uses the hand wheel 26 to drive the screw rod 24, the screw rod 24 to drive the screw sleeve 25, and the screw sleeve 25 to drive the rack 23. Therefore, even if the cutting frame 13 loaded with the rodless cylinder 40 and the cutting device 30 is heavy, the hand wheel 26 can be slightly rotated by hand, the angle adjuster 20 can actuate the driven gear 22 to drive the cutting frame 13 to rotate, and the curtain cutting angle of the cutting device 30 can be easily adjusted.

As shown in fig. 1, the combination of the bearing 21 and driven gear 22 of the present invention can be replaced by an external-tooth rotary support bearing.

The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore, all equivalent technical solutions should also fall within the scope of the present invention, which is defined by the claims.

Claims

1. The utility model provides a tire cord fabric cutting device of institutional advancement, includes a frame (10), its characterized in that:

the frame (10) comprises a top plate (11) which can be fixedly arranged on the curtain fabric conveyer belt body in parallel, a bottom plate (12) and a cutting frame (13) which is horizontally rotatably and centrally arranged between the top plate and the bottom plate, and a cutting device (30) for cutting the curtain fabric is arranged on the cutting frame (13);

roof (11) on install one and be used for actuating cutting frame (13) rotation regulation cutting device (30) angle regulator (20) of cutting the angle, this angle regulator (20) contain one rotate connect bearing (21) between roof (11) and cutting frame (13), a suit is fixed and is used for driving cutting frame (13) rotation angle regulation's driven gear (22) in bearing (21) outer lane.

2. The improved tire cord cutting apparatus of claim 1 wherein: the angle regulator (20) further comprises a motion gear mechanism, a motion rack mechanism or a motion worm mechanism which is arranged on the top plate (11) and is used for meshing and driving the driven gear (22) to rotate.

3. The improved tire cord cutting apparatus of claim 2 wherein: the actuating rack mechanism comprises a rack (23) which is arranged on the top plate (11) and is meshed with the driven gear (22), a threaded sleeve (25) which pulls the rack (23) to slide, and a screw rod (24) which drives the connecting threaded sleeve (25) to move along the threaded sleeve.

4. A tire cord cutting apparatus with improved structure as claimed in claim 3, wherein: the actuating rack mechanism also comprises a hand wheel (26) which is arranged on the outer side of the top plate (11) and fixedly connected to the end part of the screw rod (24) or a servo motor which is arranged on the top plate (11) and is used for actuating the screw rod (24) to rotate.

5. The improved tire cord cutting apparatus of claim 1 wherein: the top of the cutting frame (13) is provided with a cross beam (131), and a rodless cylinder (40) for driving the cutting device (30) to cut the curtain cloth is arranged in the cross beam (131).

6. The improved tire cord cutting apparatus of claim 5 wherein: the cutting device (30) comprises a sliding block (31) which is slidably mounted at the bottom of the cross beam (131) and is pulled by a rodless cylinder (40), a first lifting cylinder (32) which is fixedly mounted on the sliding block (31), and a cutter mounting frame (33) which is mounted at the output end of the first lifting cylinder (32).

7. The improved tire cord cutting apparatus of claim 6 wherein:

the cutting device (30) further comprises a knife passing plate (34) and a knife anvil plate (35) which are fixedly connected to the bottom of the cutting frame (13) in parallel and used for curtain cloth to pass through, wherein the knife passing plate (34) is provided with a long slotted hole (341) through which a cut knife on the cut knife mounting frame (33) slides and an inclined plane opening (342) through which the curtain cloth (60) slides up and down;

a component force backing plate (351) is arranged on a cutting chopping board (35) on the side of the curtain cloth cutting output of the cutter passing board (34), and the component force backing plate (351) enables the conveying belt (50) to form an inclined upward folding surface.

8. The improved tire cord cutting apparatus of claim 6 wherein: the cutting device (30) further comprises two pressing plates (36) which are arranged on the front side and the rear side of the cutter passing plate (34) in parallel, and each pressing plate (36) is arranged on the cross beam (131) through a second lifting cylinder (361).

9. The improved tire cord cutting apparatus of claim 6 wherein: the center of the bottom plate (12) is rotatably connected with the bottom center of the chopping block (35) through a pivot (121).

10. The improved tire cord cutting apparatus of claim 1 wherein: the connecting combination of the bearing (21) and the driven gear (22) can be replaced by an external tooth rotary supporting bearing.