CN113858580A - Extruder rubber strip feeder - Google Patents
Extruder rubber strip feeder Download PDFInfo
- Publication number
- CN113858580A CN113858580A CN202111439730.8A CN202111439730A CN113858580A CN 113858580 A CN113858580 A CN 113858580A CN 202111439730 A CN202111439730 A CN 202111439730A CN 113858580 A CN113858580 A CN 113858580A
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- Prior art keywords
- cylinder
- rubber strip
- fixed
- spring
- rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2888—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules in band or in strip form, e.g. rubber strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention relates to a rubber strip feeder of an extruder, which effectively solves the problems of low automation degree, cost saving and labor saving of the existing rubber strip feeding equipment; the technical scheme of its solution includes when this device rubber strip adopts to enter into between two horizontal poles, the both ends of rubber strip are supported by the horizontal pole, the centre supports for the bracing piece, the rubber strip is middle sunken state this moment, but three point support has guaranteed that the rubber strip can not break away from bracing piece and horizontal pole, along with shifting up of bracing piece, middle sunken rubber strip becomes middle bellied state gradually, both ends have the trend that breaks away from the horizontal pole, cutter and rubber strip contact this moment, but be not enough to cut off the rubber strip, realize that the cutter compresses tightly the rubber strip on the bracing piece, it drops when having avoided the rubber strip both ends to break away from the horizontal pole, when finally cutting off the rubber strip, two sections rubber strips all are vertical states, light entering is in the charge pipe of extruder.
Description
Technical Field
The invention relates to the field of rubber pipe production equipment, in particular to a rubber strip feeder of an extruder.
Background
The raw materials that the rubber tube production used are the sheet rubber, the sheet rubber is after the slitter cuts into the strip rubber, throw the material or through the supplementary strip rubber feeding of equipment through artifical manual to the extruder again, the feeding equipment in present stage need with the vertical centre gripping of strip rubber on throwing the material equipment, rotate the strip rubber one by one to the extruder material feeding mouth directly over along with at the uniform velocity of rotation rotating equipment, through unclamping with holding the device and realizing at the strip rubber evenly throwing the material under action of gravity, however such equipment needs the workman to follow the strip rubber of tiling originally in the material frame, arrange into vertical form and adopt the clamping device centre gripping one by one, though the human cost has been practiced thrift to a certain extent, practice thrift the human cost according to in: when the material is thrown to the manual work, a workman can only be responsible for the material loading of an extruder, can realize that a workman is responsible for the material loading of a plurality of extruders simultaneously through equipment, but can not reduce workman's intensity of labour, consequently need a new equipment at present stage, can effectively practice thrift the cost of manpower, can also effectual reduction workman intensity of labour, make things convenient for the rubber strip of workman's operation to throw the material equipment.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the rubber strip feeder of the extruder, which effectively solves the problems of low automation degree, cost saving and labor saving of the conventional rubber strip feeding equipment.
The technical scheme for solving the problems comprises a hopper with a big top and a small bottom and a rectangular horizontal section, wherein a horizontal conveying belt is arranged on the left side of the upper end of the hopper, a plurality of limit stops are uniformly distributed on the belt surface of the conveying belt at intervals, two transverse rods which are arranged side by side in front and back and are arranged below the conveying belt are arranged right above the hopper, the right end of each transverse rod is smoothly connected with a guide rod with the right side inclined upwards, the right end of each guide rod is close to but not in contact with the left end of the conveying belt, a support is arranged above the hopper, a vertical polished rod is slidably arranged on the support, a cutter with a downward cutting part is fixed at the lower end of the polished rod, a first spring is sleeved on the polished rod, one end of the first spring is fixed on the cutter, the other end of the first spring is fixed on the support, an electric cylinder with a downward extending end is fixed on the left side of the support, a support rod arranged right below the cutter is arranged between the two transverse rods, the left end of bracing piece is fixed in the electric cylinder and stretches out the tip, the front side rotation of hopper installs a first band pulley, the dabber of conveyer belt is coaxial to be fixed with a second band pulley, first band pulley is connected through the belt with the second band pulley, the front side coaxial fixation of first band pulley has a ratchet, the ratchet below is equipped with a mounting groove that can horizontally move, the interval equipartition has a plurality of pawls in the mounting groove, the electric cylinder below is equipped with a piston rod and has reset function's first cylinder, the electric cylinder stretches out the end and can contact and extrude with first cylinder piston rod, the below of first cylinder is equipped with one and can drive the second cylinder that removes about the mounting groove, first cylinder is connected through the trachea with the second cylinder.
Preferably, the limit stop is provided with a space through which the guide rod can pass.
Preferably, a rotating shaft is rotatably mounted above the conveyor belt, a supporting rod which is inclined towards the left side and is in contact with the surface of the conveyor belt is fixedly arranged on the rotating shaft, and a first torsion spring which can enable the rotating shaft to reset is sleeved on the rotating shaft.
Preferably, the supporting rod is provided with a knife groove.
Preferably, a second spring is arranged in the first cylinder, one end of the second spring is fixed at the upper end of the cylinder body of the first cylinder, the other end of the second spring is fixed on the piston of the first cylinder, a third spring is arranged in the second cylinder, one end of the third spring is fixed at the right end of the cylinder body of the second cylinder, and the other end of the third spring is fixed on the piston of the second cylinder.
Preferably, the pawls are hinged in the mounting groove, and each pawl is provided with a second torsion spring which can reset the pawl.
Compared with the traditional equipment, the device has the following advantages:
1. this device realizes putting the state with the automatic drive of horizontal rubber strip into the perpendicular when throwing the material, and the effectual extruder of having solved at present stage throws the material in-process and can only practice thrift the human cost, but can not solve the big problem of good workman intensity of labour, and when this device adopted the operation, the workman only need with the rubber strip horizontal on the conveyer belt, need not too much operation, the effectual intensity of labour who reduces the workman, raises the efficiency.
2. When this device rubber strip was adopted and is entered into between two horizontal poles, the both ends of rubber strip are supported by the horizontal pole, the centre supports for the bracing piece, the rubber strip is middle sunken state this moment, but three point support has guaranteed that the rubber strip can not break away from bracing piece and horizontal pole, along with shifting up of bracing piece, middle sunken rubber strip becomes middle bellied state gradually, both ends have the trend that breaks away from the horizontal pole, cutter and rubber strip contact this moment, but be not enough to cut off the rubber strip, realize that the cutter compresses tightly the rubber strip on the bracing piece, it drops when breaking away from the horizontal pole to have avoided the rubber strip both ends, when finally cutting off the rubber strip, two sections rubber strips all are vertical states, it is light in the charge-tube that enters into the extruder.
3. This device realizes picking up the cutting off of rubber strip and rubber strip through reciprocating of electric jar, can also realize the unidirectional motion of driving band wheelset simultaneously through the ratchet pawl for the conveyer belt is even with electric jar complex pay-off to the horizontal pole, makes the material loading that whole device can comprehensive efficient solve the rubber strip and throw the material problem.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
FIG. 3 is a top sectional view of the present invention.
FIG. 4 is a sectional view of the transmission structure of the first cylinder and the second cylinder of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from the drawings 1 to 4, the invention comprises a hopper 1 with a large upper part and a small lower part and a rectangular horizontal section, the hopper 1 is arranged on a feeding pipe of an extruder, a horizontal conveyor belt 2 is arranged at the left side of the upper end of the hopper 1, the conveyor belt 2 is fixed on the hopper 1 through a mounting rack, a plurality of limit stops 3 are uniformly distributed on the belt surface of the conveyor belt 2 at intervals, two cross rods 4 which are arranged side by side in front and back are arranged right above the hopper 1 and are arranged below the conveyor belt 2, the cross rods 4 are fixed on the front side wall and the rear side wall of the hopper 1 through mounting rods, the right end of each cross rod 4 is smoothly connected with a guide rod 5 with an upward inclined right side, the right end of each guide rod 5 is close to but not in contact with the left end of the conveyor belt 2, a support 6 is arranged above the hopper 1, the support 6 is L-shaped, a vertical polish rod 7 is slidably mounted on the support 6, the polish rod 7 is mounted on the horizontal plate part at the upper end of the support 6, a cutter 8 with a downward cutting edge is fixed at the lower end of a polish rod 7, a first spring 9 is sleeved on the polish rod 7, one end of the first spring 9 is fixed on the cutter 8, the other end of the first spring is fixed on a support 6, an electric cylinder 10 with a downward extending end is fixed at the left side of the support 6, a support rod 11 arranged under the cutter 8 is arranged between the two cross rods 4, the left end of the support rod 11 is fixed at the extending end part of the electric cylinder 10, a first belt wheel 12 is rotatably installed at the front side of the hopper 1, a second belt wheel 13 is coaxially fixed on a mandrel of the conveyor belt 2, the size ratio of the first belt wheel 12 to the second belt wheel 13 is satisfied, the first belt wheel 12 rotates once, the second belt wheel 13 drives the conveyor belt 2 to move for a distance which can enable a rubber strip to slide from the conveyor belt 2 to the two cross rods 4 through a guide rod 5, and the first belt wheel 12 is connected with the second belt wheel 13 through a belt, a ratchet wheel 14 is coaxially fixed at the front side of the first belt wheel 12, a mounting groove 15 capable of moving horizontally is arranged below the ratchet wheel 14, a plurality of pawls 16 are uniformly distributed in the mounting groove 15 at intervals, a first air cylinder 17 with a piston rod having a reset function is arranged below the electric cylinder 10, the extending end of the electric cylinder 10 can be contacted and extruded with the piston rod of the first air cylinder 17, a second air cylinder 18 capable of driving the mounting groove 15 to move left and right is arranged below the first air cylinder 17, the first air cylinder 17 is connected with the second air cylinder 18 through an air pipe, the extending end of the electric cylinder 10 drives the support rod 11 to move to the lower part of the cross rod 4 and then starts to extrude the piston rod of the first air cylinder 17, the air in the first air cylinder 17 is extruded into the second air cylinder 18, the second air cylinder 18 extends and drives the mounting groove 15 to move right, in the process, the plurality of pawls 16 drive the ratchet wheel 14 to rotate so as to realize that the first belt wheel 12 drives the second belt wheel 13 to rotate through a belt, when the second cylinder 18 is reset, the pawl 16 rotates around the hinge shaft after contacting the ratchet wheel 14, so that the ratchet wheel 14 is not driven to rotate, and the unidirectional motion of the ratchet wheel 14 is realized.
In order to prevent the limit stopper 3 from contacting the guide rod 5, a space through which the guide rod 5 can pass is provided in the limit stopper 3.
In order to realize that the rubber strip is evenly laid on the conveyor belt 2 and is attached to the limit stop 3, a rotating shaft 19 is rotatably installed above the conveyor belt 2, a supporting rod 20 which is inclined towards the left side and is in contact with the belt surface of the conveyor belt 2 is fixedly arranged on the rotating shaft 19, and a first torsion spring which can enable the rotating shaft to reset is sleeved on the rotating shaft 19.
In order to realize that the cutter 8 can conveniently cut off the rubber strip, the supporting rod 11 is provided with a cutter groove.
In order to realize the resetting of the first cylinder 17 and the second cylinder 18, a second spring 21 is arranged in the first cylinder 17, one end of the second spring 21 is fixed on the upper end of the cylinder body of the first cylinder 17, the other end of the second spring is fixed on the piston of the first cylinder 17, a third spring 22 is arranged in the second cylinder 18, one end of the third spring 22 is fixed on the right end of the cylinder body of the second cylinder 18, and the other end of the third spring is fixed on the piston of the second cylinder 18.
In order to allow the mounting of the pawls 16, said pawls 16 are hinged in the mounting slots 15 and each pawl 16 is provided with a second torsion spring which allows it to be reset.
The specific working process of the invention is as follows: when the device is used, a rubber strip is placed on a conveyor belt 2 and is separated by a limit stop 3, the extending end of an electric cylinder 10 extends to enable a support rod 11 to be placed below a cross rod 4 in an initial state, the extending end of the electric cylinder 10 does not extrude a piston rod of a first air cylinder 17, the extending end of the electric cylinder 10 is opened to extend downwards and extrude the first air cylinder 17 to enable air in the first air cylinder 17 to be conveyed into a second air cylinder 18 through an air pipe, so that the extension of the second air cylinder 18 is realized, a second spring 21 is stretched in the process, a third spring 22 is compressed, the second air cylinder 18 extends to drive a mounting groove 15 to move rightwards, a plurality of pawls 16 drive ratchet wheels 14 to rotate anticlockwise, the rotation of the ratchet wheels 14 drives the conveyor belt 2 to move through a pulley set, one rubber strip rotating the left end of the conveyor belt 2 falls from the conveyor belt 2 and slides to the cross rod 4 through a guide rod 5, at the moment, the two end parts of the rubber strip are supported by the cross rods 4, the middle part of the rubber strip is supported by the support rod 11, so that one rubber strip is supported by three points, meanwhile, the rubber strip has certain hardness and flexibility, the rubber strip is ensured not to be separated from the cross rods 4 and the support rod 11, at the moment, the electric cylinder 10 extends to the limit position and begins to retract, the first air cylinder 17 and the second air cylinder 18 realize the backflow of gas in the second air cylinder 18 to the first air cylinder 17 under the reset action of the second spring 21 and the third spring 22, the retraction of the second air cylinder 18 realizes the left movement of the installation groove 15, the pawl 16 does not drive the ratchet wheel 14 to rotate around the rotation of the articulated shaft in the retraction process, the support rod 11 moves gradually from the lower part of the cross rod 4 to the upper part of the cross rod 4 and is gradually contacted with the cutter 8 under the action of the first spring 9, at the moment, the rubber strip cannot be cut off the rubber strip by the initial cutter 8 contacted with the cutter 8, but move up at the in-process drive cutter 8 that electric cylinder 10 retracted, this in-process rubber strip is by original centre undercut, become the middle proud state upwards, and along with constantly shifting up of bracing piece 11, make the both ends of rubber strip break away from horizontal pole 4 gradually, the rubber strip becomes to tend to vertical state this moment, along with electric cylinder 10 continuously retracts, first pressure spring is constantly extruded, finally cutter 8 cuts off the vertical downward rubber strip in both ends from the centre, the rubber strip after cutting off drops to in the funnel and places in the feed pipe.
After the resetting and extending of the electric cylinder 10 are completed, when the first air cylinder 17 is extruded again, the next rubber strip can be driven to enter the cross rod 4 and finally be lifted and cut off, then the feeding is carried out, and the uniform feeding of the rubber strips can be realized by repeating the above actions.
According to the invention, the transverse rubber strips are firstly lifted and cut off from the middle during feeding, so that the rubber strips are transversely placed during placement, the operation of workers is convenient, the labor cost is saved, the labor intensity of the workers is reduced, the transverse rubber strips are driven to be vertical during feeding to the extruder, the feeding is convenient, two rubber strips can be fed at one time, and the whole feeding process is more efficient and reasonable.
Claims (6)
1. A rubber strip feeder of an extruder comprises a hopper (1) with a rectangular upper end and a rectangular lower end, and is characterized in that a horizontal conveyor belt (2) is arranged on the left side of the upper end of the hopper (1), a plurality of limit stops (3) are uniformly distributed on the belt surface of the conveyor belt (2) at intervals, two transverse rods (4) which are arranged in parallel at intervals are arranged right above the hopper (1) front and back and are arranged below the conveyor belt (2), the right end of each transverse rod (4) is smoothly connected with a guide rod (5) with the right side inclined upwards, the right end of each guide rod (5) is close to but not in contact with the left end of the conveyor belt (2), a support (6) is arranged above the hopper (1), a vertical polish rod (7) is slidably mounted on the support (6), a cutter (8) with a downward cutting part is fixed at the lower end of the polish rod (7), a first spring (9) is sleeved on the polish rod (7), one end of a first spring (9) is fixed on a cutter (8), the other end of the first spring is fixed on a support (6), an electric cylinder (10) with a downward extending end is fixed on the left side of the support (6), a support rod (11) arranged under the cutter (8) is arranged between two cross rods (4), the left end of the support rod (11) is fixed on the extending end part of the electric cylinder (10), a first belt wheel (12) is rotatably arranged on the front side of a hopper (1), a second belt wheel (13) is coaxially fixed on a mandrel of a conveyor belt (2), the first belt wheel (12) is connected with the second belt wheel (13) through a belt, a ratchet wheel (14) is coaxially fixed on the front side of the first belt wheel (12), a mounting groove (15) capable of moving horizontally is arranged below the ratchet wheel (14), a plurality of pawls (16) are uniformly distributed in the mounting groove (15) at intervals, a first air cylinder (17) with a piston rod having a resetting function is arranged below the electric cylinder (10), the extending end of the electric cylinder (10) can be contacted and extruded with a piston rod of the first cylinder (17), a second cylinder (18) capable of driving the installation groove (15) to move left and right is arranged below the first cylinder (17), and the first cylinder (17) is connected with the second cylinder (18) through an air pipe.
2. The feeder according to claim 1, characterized in that the limit stop (3) is provided with a space through which the guide rod (5) can pass.
3. The feeder of rubber strips for extruder according to claim 1, wherein a rotating shaft (19) is rotatably installed above the conveyor belt (2), a support rod (20) which inclines leftwards and contacts with the belt surface of the conveyor belt (2) is fixed on the rotating shaft (19), and a first torsion spring which can make the rotating shaft (19) rotate in a resetting way is sleeved on the rotating shaft (19).
4. The feeder of rubber strips for extruders according to claim 1, characterized in that the support bar (11) is provided with a knife slot.
5. The feeder for rubber strips of extruders as set forth in claim 1, wherein a second spring (21) is provided in the first cylinder (17), one end of the second spring (21) is fixed on the upper end of the cylinder body of the first cylinder (17), the other end is fixed on the piston of the first cylinder (17), a third spring (22) is provided in the second cylinder (18), one end of the third spring (22) is fixed on the right end of the cylinder body of the second cylinder (18), and the other end is fixed on the piston of the second cylinder (18).
6. An extruder rubber strip batch feeder according to claim 1, characterized in that the pawls (16) are hinged in the mounting groove (15) and each pawl (16) is provided with a second torsion spring for resetting it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111439730.8A CN113858580B (en) | 2021-11-30 | 2021-11-30 | Extruder rubber strip feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111439730.8A CN113858580B (en) | 2021-11-30 | 2021-11-30 | Extruder rubber strip feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113858580A true CN113858580A (en) | 2021-12-31 |
| CN113858580B CN113858580B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111439730.8A Active CN113858580B (en) | 2021-11-30 | 2021-11-30 | Extruder rubber strip feeder |
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| Country | Link |
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| CN (1) | CN113858580B (en) |
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| WO2004007165A1 (en) * | 2002-07-17 | 2004-01-22 | Suzuka Engineering Co., Ltd. | Rubber kneading machine |
| JP2004262194A (en) * | 2003-03-04 | 2004-09-24 | Yokohama Rubber Co Ltd:The | Method for supplying belt-like rubber material and device using this method |
| KR100909339B1 (en) * | 2008-03-18 | 2009-07-24 | 금호타이어 주식회사 | Apparatus for winding of the rubber strip for making tires |
| CN203697435U (en) * | 2013-06-09 | 2014-07-09 | 东莞市天桉硅胶科技有限公司 | Silicone rubber cutting/extruding machine |
| CN205630744U (en) * | 2016-05-27 | 2016-10-12 | 重庆福信强橡塑制品有限公司 | Full automotive vehicle window glass rubber strip cutter of borduring |
| CN208645442U (en) * | 2018-08-29 | 2019-03-26 | 长春市汇融密封材料有限公司 | A kind of cutting transmission device of rubber |
| CN109605437A (en) * | 2018-11-22 | 2019-04-12 | 贵州玉洁食品有限公司 | A kind of dried bean curd surface cutting machine |
| CN110370589A (en) * | 2019-07-24 | 2019-10-25 | 重庆海塑建材有限公司 | Sash plastic-steel section bar extrusion molding production line |
| DE102018111735A1 (en) * | 2018-05-16 | 2019-11-21 | KraussMaffei Extrusion GmbH | Method for feeding an extruder with rubber material strips and rubber extrusion machine system |
| CN211763323U (en) * | 2020-02-28 | 2020-10-27 | 荣成市威程橡胶制品有限公司 | Cold feed extruder is used in rubber production |
| CN211941101U (en) * | 2020-04-28 | 2020-11-17 | 漯河市邦威橡胶有限公司 | Rubber sheet raw material slitter |
| CN212021620U (en) * | 2020-04-28 | 2020-11-27 | 漯河市邦威橡胶有限公司 | Rubber strip feeding device for extruder |
| CN212193266U (en) * | 2020-05-25 | 2020-12-22 | 漯河市利道液压科技有限公司 | Rubber sheet slitter |
| CN213320291U (en) * | 2020-08-11 | 2021-06-01 | 广州市荻亚机电设备有限公司 | High accuracy rubber strip cutting equipment |
| WO2021196302A1 (en) * | 2020-04-01 | 2021-10-07 | 南京美高美新材料有限公司 | Full-automatic quantitative feeding device for feeding extruder |
-
2021
- 2021-11-30 CN CN202111439730.8A patent/CN113858580B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004007165A1 (en) * | 2002-07-17 | 2004-01-22 | Suzuka Engineering Co., Ltd. | Rubber kneading machine |
| JP2004262194A (en) * | 2003-03-04 | 2004-09-24 | Yokohama Rubber Co Ltd:The | Method for supplying belt-like rubber material and device using this method |
| KR100909339B1 (en) * | 2008-03-18 | 2009-07-24 | 금호타이어 주식회사 | Apparatus for winding of the rubber strip for making tires |
| CN203697435U (en) * | 2013-06-09 | 2014-07-09 | 东莞市天桉硅胶科技有限公司 | Silicone rubber cutting/extruding machine |
| CN205630744U (en) * | 2016-05-27 | 2016-10-12 | 重庆福信强橡塑制品有限公司 | Full automotive vehicle window glass rubber strip cutter of borduring |
| DE102018111735A1 (en) * | 2018-05-16 | 2019-11-21 | KraussMaffei Extrusion GmbH | Method for feeding an extruder with rubber material strips and rubber extrusion machine system |
| CN208645442U (en) * | 2018-08-29 | 2019-03-26 | 长春市汇融密封材料有限公司 | A kind of cutting transmission device of rubber |
| CN109605437A (en) * | 2018-11-22 | 2019-04-12 | 贵州玉洁食品有限公司 | A kind of dried bean curd surface cutting machine |
| CN110370589A (en) * | 2019-07-24 | 2019-10-25 | 重庆海塑建材有限公司 | Sash plastic-steel section bar extrusion molding production line |
| CN211763323U (en) * | 2020-02-28 | 2020-10-27 | 荣成市威程橡胶制品有限公司 | Cold feed extruder is used in rubber production |
| WO2021196302A1 (en) * | 2020-04-01 | 2021-10-07 | 南京美高美新材料有限公司 | Full-automatic quantitative feeding device for feeding extruder |
| CN211941101U (en) * | 2020-04-28 | 2020-11-17 | 漯河市邦威橡胶有限公司 | Rubber sheet raw material slitter |
| CN212021620U (en) * | 2020-04-28 | 2020-11-27 | 漯河市邦威橡胶有限公司 | Rubber strip feeding device for extruder |
| CN212193266U (en) * | 2020-05-25 | 2020-12-22 | 漯河市利道液压科技有限公司 | Rubber sheet slitter |
| CN213320291U (en) * | 2020-08-11 | 2021-06-01 | 广州市荻亚机电设备有限公司 | High accuracy rubber strip cutting equipment |
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| CN113858580B (en) | 2023-06-30 |
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