CN210126098U - Pressing mechanism for automatic tread cutting machine - Google Patents
Pressing mechanism for automatic tread cutting machine Download PDFInfo
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- CN210126098U CN210126098U CN201921072535.4U CN201921072535U CN210126098U CN 210126098 U CN210126098 U CN 210126098U CN 201921072535 U CN201921072535 U CN 201921072535U CN 210126098 U CN210126098 U CN 210126098U
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Abstract
The utility model discloses a hold-down mechanism for an automatic tread cutting machine, which comprises supporting legs, a supporting frame, a top frame, a cylinder, a cutter and a compression roller, wherein the top end of the supporting legs is provided with the top frame, and the supporting frame is arranged at the middle height position of the supporting legs; the middle position of roof-rack is equipped with the dead lever, and the below of dead lever is equipped with the cylinder, and the below of cylinder is equipped with flexible platform, and flexible platform below is equipped with the pneumatic telescopic link that many equidistant settings around, and pneumatic telescopic link's bottom is equipped with the cutter. The utility model discloses set up two compression rollers and carried out the tensioning flattening to the tread rubber of waiting to cut the region, the deformation of tread rubber when having prevented the cutter to cut tread rubber to the compression roller passes through two telescopic links to be connected, the top of telescopic link has set up two meshing gears, the gear makes the corner of two adjacent telescopic links keep unanimous, prevent that one side compression roller from skidding and the inconsistent condition of two telescopic link motions that cause, prevent to appear the fold on the tread rubber.
Description
Technical Field
The utility model relates to a tire tread production field specifically is a hold-down mechanism for automatic tread cutting machine.
Background
In the production process of the existing tire, rubber needs to be wound to form a tread, and the wound rubber needs to be cut into a preset size before being wound. Because the cutter has higher elasticity to rubber, when the cutter was cutting rubber, rubber is because it is great to receive pressure and cause the deflection great, leads to the size of cutting to appear the error, causes the rejection rate to rise. In addition, the rubber is soft, so that the rubber is easy to slip and wrinkle when the pressure is uneven, and the cutting effect is influenced.
Disclosure of Invention
An object of the utility model is to a hold-down mechanism for automatic tread cutting machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a pressing mechanism for an automatic tread cutting machine comprises supporting legs, a supporting frame, a top frame, an air cylinder, a cutter and a pressing roller, wherein the top end of each supporting leg is provided with the top frame; the intermediate position of roof-rack is equipped with the dead lever, both ends all with roof-rack fixed connection around the dead lever, the below of dead lever is equipped with the cylinder, the cylinder passes through the air duct and is connected with air compressor, air compressor sets up subaerial, the below of cylinder is equipped with flexible platform, the top setting of flexible platform is in the inside of cylinder, flexible platform below is equipped with the pneumatic telescopic handle that equidistant setting around many, pneumatic telescopic handle's bottom is equipped with the cutter, the cutter setting is directly over in the clearance between first conveyer belt and second conveyer belt.
As a further aspect of the present invention: the support frame is two vertical boards that the front and back symmetry set up, and both ends are fixed between two vertical boards of support frame through the bearing around the guide roll, and both ends are all fixed between two vertical boards of support frame through the bearing around first conveyer belt and the second conveyer belt.
As a further aspect of the present invention: the bottom cutting edge of the cutter is obliquely arranged.
As a further aspect of the present invention: the front side and the rear side of the telescopic table are both provided with two telescopic rods, the top ends of the telescopic rods are connected with one ends of the extension rods departing from the telescopic table, one ends of the extension rods facing the telescopic table are connected with the side wall of the telescopic table through bearings, gears are sleeved on the extension rods, and the gears on two adjacent extension rods positioned on one side of the telescopic table are meshed with each other; the bottom of telescopic link is connected with fixed axle front and back both ends, and the cover is equipped with the compression roller on the fixed axle, and the equipartition is equipped with a plurality of bumps on the face of cylinder of compression roller.
As a further aspect of the present invention: the telescopic rod comprises a sleeve, a telescopic inner rod, a limiting ring and a spring, the top end of the sleeve is fixedly connected with the extension rod, the limiting ring is arranged at the opening edge of the bottom end of the sleeve, the telescopic inner rod is arranged below the sleeve, the top end of the telescopic inner rod is arranged inside the sleeve, the spring is arranged in the sleeve, the top end of the spring is fixedly connected with the top end of the sleeve, and the bottom end of the spring is fixedly connected with the top end of the telescopic inner rod; and a return spring is arranged between the two adjacent sleeves.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses two compression rollers have been set up and have been carried out the tensioning flattening to the tread rubber of waiting to cut the region, the deformation of tread rubber when having prevented the cutter to cut tread rubber, make the cutting effect better, and the compression roller passes through two telescopic links to be connected, the top of telescopic link has set up two meshing gears, the gear makes the corner of two adjacent telescopic links keep unanimous, prevent that one side compression roller from skidding and the inconsistent condition of two telescopic link movements that cause, prevent to appear the fold on the tread rubber, and set up the bump on the compression roller, the setting up of bump makes the compression roller increase with tread rubber's contact friction, prevent that the compression roller from skidding on tread rubber, make the compression roller only roll on tread rubber.
Drawings
FIG. 1 is a front perspective view of a hold-down mechanism for an automatic tread cutting machine.
FIG. 2 is a rear perspective view of a hold-down mechanism for an automatic tread cutting machine.
FIG. 3 is a bottom perspective view of a hold-down mechanism for an automatic tread cutting machine.
FIG. 4 is a front cross-sectional schematic view of a hold-down mechanism for an automatic tread cutting machine.
Fig. 5 is a schematic perspective view of a pressing roller in a pressing mechanism for an automatic tread cutting machine.
FIG. 6 is a schematic cross-sectional view of a telescoping rod used in a hold-down mechanism of an automatic tread cutting machine.
In the figure: 1. supporting legs; 2. a support frame; 3. a top frame; 4. a guide roller; 5. a tread rubber; 6. a first conveyor belt; 7. a second conveyor belt; 8. fixing the rod; 9. a cylinder; 10. an air compressor; 11. a telescopic table; 12. a pneumatic telescopic rod; 13. a cutter; 14. a compression roller; 141. a fixed shaft; 142. salient points; 15. a telescopic rod; 151. a sleeve; 152. a telescopic inner rod; 153. a limiting ring; 154. a spring; 155. an extension rod; 156. a gear; 16. a return spring.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-6, a pressing mechanism for an automatic tread cutting machine comprises a supporting foot 1, a supporting frame 2, a top frame 3, a cylinder 9, a cutter 13 and a pressing roller 14, wherein the top end of the supporting foot 1 is provided with the top frame 3, a supporting frame 2 is arranged at the middle height position of the supporting foot 1, the supporting frame 2 is two vertical plates which are symmetrically arranged front and back, be equipped with guide roll 4 at the left end of support frame 2, both ends are fixed between two vertical boards of support frame 2 through the bearing around guide roll 4, the inside of support frame 2 is equipped with first conveyer belt 6, the right side of first conveyer belt 6 is equipped with second conveyer belt 7, interval setting about second conveyer belt 7 and the first conveyer belt 6, both ends are all fixed between two vertical boards of support frame 2 through the bearing around first conveyer belt 6 and the second conveyer belt 7, be equipped with tread rubber 5 on the first conveyer belt 6.
A fixed rod 8 is arranged in the middle of the top frame 3, the front end and the rear end of the fixed rod 8 are fixedly connected with the top frame 3, a cylinder 9 is arranged below the fixed rod 8, the cylinder 9 is connected with an air compressor 10 through an air duct, the air compressor 10 is arranged on the ground, a telescopic table 11 is arranged below the cylinder 9, the top end of the telescopic table 11 is arranged inside the cylinder 9, the telescopic table 11 can move up and down inside the cylinder 9, a plurality of pneumatic telescopic rods 12 which are arranged at equal intervals front and back are arranged below the telescopic table 11, a cutter 13 is arranged at the bottom end of the pneumatic telescopic rods 12, the cutter 13 is arranged right above a gap between the first conveyor belt 6 and the second conveyor belt 7, the bottom end cutting edge of the cutter 13 is arranged obliquely, and the oblique cutting edge enables the cutting point to be point contact when the cutter 13 cuts the tread rubber 5, compared with the line contact, the pressure required for the cutter 13 is small, so that the tread rubber 5 is less deformed when being cut.
The front side and the rear side of the telescopic table 11 are both provided with two telescopic rods 15, the top ends of the telescopic rods 15 are connected with one ends of the extension rods 155 departing from the telescopic table 11, one ends of the extension rods 155 facing the telescopic table 11 are connected with the side wall of the telescopic table 11 through bearings, the extension rods 155 can drive the telescopic rods 15 to rotate, the extension rods 155 are sleeved with gears 156, and the gears 156 on two adjacent extension rods 155 positioned on one side of the telescopic table 11 are meshed with each other; the bottom end of the telescopic rod 15 is connected with the front end and the rear end of the fixing shaft 141, the pressing roller 14 is sleeved on the fixing shaft 141, a plurality of salient points 142 are uniformly distributed on the cylindrical surface of the pressing roller 14, and the salient points 142 enable the contact friction force between the pressing roller 14 and the tread rubber 5 to be increased, so that the pressing roller 14 keeps rolling on the tread rubber 5 and is prevented from slipping.
As shown in fig. 6, the telescopic rod 15 includes a sleeve 151, an inner telescopic rod 152, a limiting ring 153 and a spring 154, the top end of the sleeve 151 is fixedly connected with an extension rod 155, the limiting ring 153 is arranged at the opening edge of the bottom end of the sleeve 151, the inner telescopic rod 152 is arranged below the sleeve 151, the top end of the inner telescopic rod 152 is arranged inside the sleeve 151, the inner telescopic rod 152 cannot fall off from the sleeve 151 due to the limiting ring 153, the spring 154 is arranged in the sleeve 151, the top end of the spring 154 is fixedly connected with the top end of the sleeve 151, and the bottom end of the spring 154 is fixedly connected with the top end of the inner telescopic rod 152; a return spring 16 is provided between the adjacent two sleeves 151.
In the use process of the utility model, the first conveyor belt 6 and the second conveyor belt 7 drive the tread rubber 5 to move to the right intermittently, and the cutter 13 cuts the tread rubber 5 in each movement interval; the air compressor 10 inflates the inside of the air cylinder 9, high-pressure air in the air cylinder 9 pushes the telescopic table 11 to move downwards slowly, so that the distance between the cutting knife 13 and the tread rubber 5 is reduced, the pressing roller 14 is in contact with the tread rubber 5, when the pressing roller 14 is in contact with the tread rubber 5, the two pressing rollers 14 move away from each other due to pressure, the pressing roller 14 tensions and levels the tread rubber 5 in a region to be cut when moving away from each other, the deformation of the tread rubber 5 when the cutting knife 13 cuts is reduced, meanwhile, the two telescopic rods 15 rotate in the opposite direction by overcoming the elastic force of the return spring 16, the elastic force of the spring 154 enables the telescopic inner rod 152 to move downwards, so that the pressing roller 14 is kept in a state of being pressed against the tread rubber 5, meanwhile, the arrangement of the gear 156 enables the rotating angles of the two telescopic rods 15; then, high-pressure air in the air cylinder 9 pushes the pneumatic telescopic rod 12 to extend downwards suddenly, so that the cutting knife 13 cuts off the tread rubber 5 quickly; after the cutting is finished, the pneumatic telescopic rod 12 retracts, the telescopic table 11 drives the pneumatic telescopic rod 12 and the cutter 13 to move upwards, the telescopic rod 15 drives the compression roller 14 to move upwards, and the compression roller 14 releases the compression on the tread rubber 5.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A pressing mechanism for an automatic tread cutting machine comprises supporting legs (1), a supporting frame (2), a top frame (3), an air cylinder (9), a cutter (13) and a pressing roller (14), and is characterized in that the top end of each supporting leg (1) is provided with the top frame (3), the supporting frame (2) is arranged at the middle height position of each supporting leg (1), the left end of each supporting frame (2) is provided with a guide roller (4), a first conveying belt (6) is arranged inside each supporting frame (2), the right side of each first conveying belt (6) is provided with a second conveying belt (7), the second conveying belts (7) and the first conveying belts (6) are arranged at intervals from left to right, and tread rubber (5) is arranged on each first conveying belt (6); the intermediate position of roof-rack (3) is equipped with dead lever (8), both ends all with roof-rack (3) fixed connection around dead lever (8), the below of dead lever (8) is equipped with cylinder (9), cylinder (9) are connected with air compressor (10) through the air duct, air compressor (10) set up subaerial, the below of cylinder (9) is equipped with flexible platform (11), the top setting of flexible platform (11) is in the inside of cylinder (9), flexible platform (11) below is equipped with equidistant pneumatic telescopic rod (12) that set up around many, the bottom of pneumatic telescopic rod (12) is equipped with cutter (13), cutter (13) set up directly over in the clearance between first conveyer belt (6) and second conveyer belt (7).
2. The pressing mechanism for the automatic tread cutting machine according to claim 1, wherein the supporting frame (2) is two vertical plates symmetrically arranged in front and back, the front end and the back end of the guide roller (4) are fixed between the two vertical plates of the supporting frame (2) through bearings, and the front end and the back end of the first conveyor belt (6) and the front end and the back end of the second conveyor belt (7) are fixed between the two vertical plates of the supporting frame (2) through bearings.
3. Pressing mechanism for automatic tread cutting machines according to claim 1, characterized in that the bottom edge of the cutting knife (13) is arranged obliquely.
4. The pressing mechanism for the automatic tread cutting machine is characterized in that two telescopic rods (15) are arranged on the front side and the rear side of the telescopic table (11), the top ends of the telescopic rods (15) are connected with one ends of the extension rods (155) departing from the telescopic table (11), one ends of the extension rods (155) facing the telescopic table (11) are connected with the side walls of the telescopic table (11) through bearings, gears (156) are sleeved on the extension rods (155), and the gears (156) on two adjacent extension rods (155) on one side of the telescopic table (11) are meshed with each other; the bottom end of the telescopic rod (15) is connected with the front end and the rear end of the fixed shaft (141), the fixed shaft (141) is sleeved with the pressing roller (14), and a plurality of salient points (142) are uniformly distributed on the cylindrical surface of the pressing roller (14).
5. The pressing mechanism for the automatic tread cutting machine is characterized in that the telescopic rod (15) comprises a sleeve (151), an inner telescopic rod (152), a limiting ring (153) and a spring (154), the top end of the sleeve (151) is fixedly connected with an extension rod (155), the limiting ring (153) is arranged at the edge of an opening at the bottom end of the sleeve (151), the inner telescopic rod (152) is arranged below the sleeve (151), the top end of the inner telescopic rod (152) is arranged inside the sleeve (151), the spring (154) is arranged in the sleeve (151), the top end of the spring (154) is fixedly connected with the top end of the sleeve (151), and the bottom end of the spring (154) is fixedly connected with the top end of the inner telescopic rod (152); and a return spring (16) is arranged between the two adjacent sleeves (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072535.4U CN210126098U (en) | 2019-07-10 | 2019-07-10 | Pressing mechanism for automatic tread cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072535.4U CN210126098U (en) | 2019-07-10 | 2019-07-10 | Pressing mechanism for automatic tread cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN210126098U true CN210126098U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072535.4U Active CN210126098U (en) | 2019-07-10 | 2019-07-10 | Pressing mechanism for automatic tread cutting machine |
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| Country | Link |
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| CN (1) | CN210126098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092074A (en) * | 2020-09-07 | 2020-12-18 | 泉州市良创信息科技有限公司 | Novel rubber cutting machine for rubber preparation |
| CN112458742A (en) * | 2020-11-24 | 2021-03-09 | 江西美宝利医用敷料有限公司 | Integrated medical gauze forming device |
-
2019
- 2019-07-10 CN CN201921072535.4U patent/CN210126098U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092074A (en) * | 2020-09-07 | 2020-12-18 | 泉州市良创信息科技有限公司 | Novel rubber cutting machine for rubber preparation |
| CN112458742A (en) * | 2020-11-24 | 2021-03-09 | 江西美宝利医用敷料有限公司 | Integrated medical gauze forming device |
| CN112458742B (en) * | 2020-11-24 | 2021-12-24 | 江西美宝利医用敷料有限公司 | Integrated medical gauze forming device |
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