CN219563230U - Automatic cutting device of forming machine - Google Patents

Abstract

The utility model discloses an automatic cutting device of a forming machine, which comprises a shell, wherein a row of second conveying rollers are arranged at the upper end of the shell, a cutting mechanism is arranged in the middle of the row of second conveying rollers, the cutting mechanism comprises a base with a round upper end surface, the upper end of the base is rotatably connected with a rotating disc, a bracket is fixedly connected to the rotating disc, the shape of the bracket is U-shaped, and a cutter is connected to the inner side of the bracket in an up-down sliding manner; the middle part top of cutter is provided with the knot pressure head to the lower extreme rotational symmetry of knot pressure head is provided with two archs, bellied lower terminal surface is the spiral shell linear variation, the both ends lower part of cutter all is provided with the second spring, and the lower extreme of second spring supports the rolling disc. According to the utility model, the rotatable rotating disc is arranged, and the cutting angle of the rubber sheet is set, so that the splicing requirement is met.

Description

Automatic cutting device of forming machine

Technical Field

The utility model relates to the technical field of cutting devices, in particular to an automatic cutting device of a forming machine.

Background

Tires are ground-engaging rolling, annular elastomeric rubber articles assembled on a variety of vehicles or machines. The tyre forming machine is one tyre producing apparatus with semi-product parts and assembled tyre blank. In the tire production process, the rubber sheet needs to be cut into a certain length according to the size of the tire. And then combining the material with other components to form a green tire, and then placing the green tire in a molding machine for vulcanization molding.

Most of traditional cutting devices for middle rubber sheets are manually cut, and labor is consumed. The existing automatic cutting device cannot automatically change the cutting angle.

Disclosure of Invention

The utility model aims to provide an automatic cutting device of a forming machine, and provides a rubber sheet cutting device capable of automatically adjusting cutting angles.

In order to achieve the above purpose, the automatic cutting device of the forming machine comprises a shell, wherein a row of second conveying rollers are arranged at the upper end of the shell, a cutting mechanism is arranged in the middle of each row of second conveying rollers, the cutting mechanism comprises a base with a circular upper end face, a rotating disc is rotatably connected to the upper end of the base, a support is fixedly connected to the rotating disc, the shape of the support is inverted U, and a cutter is connected to the inner side of the support in a vertical sliding mode. The cutter can rotate along with the rotating disc, so that the angle of cutting the rubber sheet is changed, and the length of the splicing position of the rubber sheet can be changed.

The middle part top of cutter is provided with the knot pressure head to the lower extreme rotational symmetry of knot pressure head is provided with two archs, bellied lower terminal surface is the spiral shell linear variation, the both ends lower part of cutter all is provided with the second spring, and the lower extreme of second spring supports the rolling disc. In the rotating process of the buckling and pressing head, the cutter can be pressed down to realize cutting, and after the cutter passes over the highest point of the bulge, the cutter is reset under the action of the second spring.

According to the automatic cutting device of the forming machine, the upper end of the support is fixedly connected with a third motor, and the output end of the third motor is fixedly connected with the buckling head. And starting the third motor to realize the rotation of the buckling head.

According to the automatic cutting device of the forming machine, the lower end of the base is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with the rotating disc. The second motor is started to drive the rotating disc to rotate, so that the cutting angle is changed.

According to the automatic cutting device of the forming machine, one side of the shell is fixedly connected with a supporting plate, and an unreeling roller is erected on the upper portion of one side of the supporting plate. For unreeling the rubber sheet to be cut.

According to the automatic cutting device of the forming machine, the middle part of the supporting plate is provided with a compression roller and a first conveying roller side by side, and the compression roller is positioned below the first conveying roller. The rubber sheet passes through the space between the compression roller and the first conveying roller to realize unreeling.

According to the automatic cutting device of the forming machine, the side wall of the supporting plate is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with the first conveying roller. The first motor is started to drive the first conveying roller to rotate, so that the rubber sheet is torn off from the unreeling roller.

According to the automatic cutting device of the forming machine, a stop block is fixedly connected to the side wall of the supporting plate, a first spring is arranged at the upper end of the stop block, and the upper end of the first spring abuts against the compression roller. Under the action of the first spring, the compression roller abuts against the first conveying roller, namely, the rubber sheet is clamped, and unreeling of the rubber sheet is facilitated.

According to the automatic cutting device of the forming machine, the upper end face of the rotating disc is provided with a cutter groove, and the cutter groove is positioned right below the cutter. When cutting, the cutter can extend into the cutter groove to completely cut off the rubber sheet.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the rotating disc is arranged, the rotating disc can be rotated by the second motor, and the cutters arranged on the rotating disc are also changed, so that the cutting angle of the rubber sheet passing through the rotating disc is changed.

2. According to the utility model, the buckling head is provided with the protrusion, and the buckling head is matched with the second spring, so that the up-and-down motion of the cutter can be realized in the rotating process of the buckling head, and the structure can rapidly cut the rubber sheet.

3. According to the utility model, when the rubber sheet is conveyed, the rubber sheet passes through the space between the press roller and the first conveying roller, and the press roller is supported by the first spring, so that the rubber sheet can be clamped between the press roller and the first conveying roller, and the rubber sheet is conveyed conveniently.

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

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic perspective view of an automatic cutting device of a molding machine according to the present utility model;

FIG. 2 is a schematic view of a cutting mechanism of an automatic cutting device of a molding machine according to the present utility model;

FIG. 3 is a schematic view of a crimping head of an automatic cutting device of a molding machine according to the present utility model;

fig. 4 is an enlarged view at a in fig. 1.

Legend description:

1. an unreeling roller; 2. a support plate; 3. a first motor; 4. a press roller; 5. a first conveying roller; 6. a second conveying roller; 7. a cutting mechanism; 8. a stop block; 9. a first spring;

71. a second motor; 72. a base; 73. a cutter; 74. a rotating disc; 75. a knife slot; 76. a bracket; 77. a second spring; 78. a buckling head; 79. a third motor; 710. a protrusion.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the automatic cutting device of the forming machine according to the embodiment of the utility model comprises a casing, the casing is in a cuboid structure, a row of second conveying rollers 6 are arranged at the upper end of the casing, the second conveying rollers 6 are used for conveying rubber sheets, the transmission mode of the automatic cutting device can be linkage arrangement, namely, inside the casing, each second conveying roller 6 is integrally transmitted through a chain wheel structure, or a motor is arranged inside each second conveying roller 6, a cutting mechanism 7 is arranged in the middle of the row of second conveying rollers 6 and used for cutting rubber sheets, the cutting mechanism 7 comprises a base 72 with a round upper end face, a rotating disc 74 is rotatably connected to the upper end of the base 72 and used for changing the cutting angle, the length of a joint is changed, a bracket 76 is fixedly connected to the rotating disc 74, the shape of the bracket 76 is "", a cutter 73 is connected to the inner side of the bracket 76 in a sliding mode, and the cutter 73 acts downwards to cut the rubber sheets.

The middle part top of cutter 73 is provided with withholds the head 78, withholds the head 78 and is cylindrical structure to withhold the lower extreme rotational symmetry of head 78 and be provided with two archs 710, the lower terminal surface of arch 710 is the spiral shell linear variation, and the back of a knife middle part of cutter 73 contacts with the lower extreme of withhold head 78, in withhold head 78 pivoted in-process, the back of a knife slides at the lower terminal surface of arch 710, realize pushing down cutter 73 and carry out cutting treatment, the both ends lower part of cutter 73 all is provided with second spring 77, and the lower extreme of second spring 77 supports rotating disk 74, second spring 77 is used for keeping the state that cutter 73 is located the high position, this structure of cutting has the advantage that cutting speed is fast.

The upper end of the bracket 76 is fixedly connected with a third motor 79, and the output end of the third motor 79 is fixedly connected with a buckling head 78. The third motor 79 drives the buckling head 78 to rotate, so that the cutter 73 moves downwards to cut off the rubber sheet.

The lower end of the base 72 is fixedly connected with a second motor 71, and the output end of the second motor 71 is fixedly connected with a rotating disc 74. The second motor 71 is started for driving the rotary disk 74 to rotate.

One side of the shell is fixedly connected with a supporting plate 2, and an unreeling roller 1 is erected on the upper portion of one side of the supporting plate 2. And the unreeling roller 1 is erected in a preset groove on the supporting plate 2, so that the unreeling roller 1 is prevented from sliding off, and the rubber sheet to be cut is wound on the unreeling roller 1.

The middle part of the support plate 2 is provided with a press roller 4 and a first transfer roller 5 side by side, and the press roller 4 is located below the first transfer roller 5. The rubber sheet passes between the pressing roller 4 and the first conveying roller 5.

The lateral wall fixedly connected with first motor 3 of backup pad 2, the output and the first conveying roller 5 fixed connection of first motor 3. The first motor 3 is started to rotate the first conveying roller 5, thereby unreeling the rubber sheet.

The lateral wall fixedly connected with dog 8 of backup pad 2, the upper end of dog 8 is provided with first spring 9, and the upper end of first spring 9 supports compression roller 4. The first spring 9 props against the press roller 4 to realize that the press roller 4 clamps the rubber sheet passing through the press roller, thereby being beneficial to increasing the friction force between the rubber sheet and the first conveying roller 5 and improving the conveying effect on the rubber sheet.

The upper end surface of the rotating disk 74 is provided with a sipe 75, and the sipe 75 is located directly below the cutter 73. The rubber sheet is cut off more thoroughly.

Working principle: in use, the rubber sheet is wound on the unreeling roller 1 and placed on the supporting plate 2, the rubber sheet is torn off to pass through between the pressing roller 4 and the first conveying roller 5 and placed on the second conveying roller 6, then the second motor 71 is started, the rotating disc 74 rotates and rotates to a specified angle, then the first motor 3 is started to convey the rubber sheet forwards, the rubber sheet passes under the cutter 73, at the moment, the third motor 79 can be started, the buckling head 78 rotates, the cutter 73 moves downwards due to the pushing of the protrusion 710, the cutting of the rubber sheet is realized, meanwhile, the cutter back passes through the highest point along with the continued rotation of the buckling head 78, and the cutter 73 is reset under the action of the second spring 77.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. The automatic cutting device of the forming machine is characterized by comprising a shell, wherein a row of second conveying rollers (6) are arranged at the upper end of the shell, a cutting mechanism (7) is arranged in the middle of the row of second conveying rollers (6), the cutting mechanism (7) comprises a base (72) with a round upper end face, a rotating disc (74) is rotatably connected to the upper end of the base (72), a bracket (76) is fixedly connected to the rotating disc (74), the shape of the bracket (76) is U-shaped, and a cutter (73) is vertically and slidably connected to the inner side of the bracket (76);

the upper part of the middle part of the cutter (73) is provided with a buckling head (78), the lower end of the buckling head (78) is rotationally symmetrically provided with two protrusions (710), the lower end faces of the protrusions (710) are in spiral linear change, the lower parts of the two ends of the cutter (73) are respectively provided with a second spring (77), and the lower ends of the second springs (77) are propped against the rotating disc (74).

2. The automatic cutting device of a forming machine according to claim 1, wherein the upper end of the bracket (76) is fixedly connected with a third motor (79), and the output end of the third motor (79) is fixedly connected with the buckling head (78).

3. The automatic cutting device of a forming machine according to claim 1, wherein the lower end of the base (72) is fixedly connected with a second motor (71), and the output end of the second motor (71) is fixedly connected with the rotating disc (74).

4. The automatic cutting device of a forming machine according to claim 1, wherein a supporting plate (2) is fixedly connected to one side of the housing, and an unreeling roller (1) is erected on an upper portion of one side of the supporting plate (2).

5. The automatic cutting device of a molding machine according to claim 4, characterized in that the middle part of the supporting plate (2) is provided with a press roll (4) and a first transfer roll (5) side by side, and the press roll (4) is located below the first transfer roll (5).

6. The automatic cutting device of a forming machine according to claim 5, wherein the side wall of the supporting plate (2) is fixedly connected with a first motor (3), and the output end of the first motor (3) is fixedly connected with the first conveying roller (5).

7. The automatic cutting device of a forming machine according to claim 5, wherein a stop block (8) is fixedly connected to the side wall of the supporting plate (2), a first spring (9) is arranged at the upper end of the stop block (8), and the upper end of the first spring (9) abuts against the press roller (4).

8. The automatic cutting device of a molding machine according to claim 1, wherein the upper end surface of the rotating disc (74) is provided with a cutter groove (75), and the cutter groove (75) is located directly below the cutter (73).