CN204471821U - A kind of drawing-in device of rubber preforming machine - Google Patents
A kind of drawing-in device of rubber preforming machine Download PDFInfo
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- CN204471821U CN204471821U CN201520066090.4U CN201520066090U CN204471821U CN 204471821 U CN204471821 U CN 204471821U CN 201520066090 U CN201520066090 U CN 201520066090U CN 204471821 U CN204471821 U CN 204471821U
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- pressure roller
- spreading knife
- rod
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- rubber preforming
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Abstract
The utility model relates to a kind of drawing-in device of rubber preforming machine, comprise a machine barrel, one screw rod, pressure roller and a spreading knife on one side, it is inner that described screw rod is positioned at described machine barrel, the side of described screw rod is provided with a driven wheel, the side of described other pressure roller is provided with a travelling gear, described driven wheel coordinates described travelling gear, described spreading knife is positioned in the middle of described screw rod and described other pressure roller, described spreading knife is fixed on tool rest, described tool rest comprises at least one adjusting screw(rod), described adjusting screw(rod) is connected with described machine barrel through described tool rest, described adjusting screw(rod) can move up and down in described tool rest.The use of described adjusting screw(rod), can adjust described spreading knife in the vertical range of described other pressure roller according to different conditions, be conducive to ensureing the clean intensity to described other pressure roller when protecting described spreading knife.
Description
Technical field
The utility model rubber tooling technical field, particularly a kind of drawing-in device of rubber preforming machine.
Background technology
Rubber preforming machine is one of rubber processing the most basic shaping former, and it is widely used in the Tire production of rubber industry, sebific duct manufacture, sealing strip manufacture, waterproof sheet manufacture and electric wire manufacture.When rubber parts makes, glue stuff compounding needs first to plastify preformed and makes compound blank, then put into forming model and make rubber parts, this method is comparatively complicated, and at present existing research relates to a kind of shape of preformed compound blank or weight and can to adjust at any time as requested and compound blank after preformed does not need cutting and add specially just can put into forming machine and carry out the shaping rubber preforming machine of injection sulfurization.For this preforming machine, the high efficiency keeping feeding ability is very important.But current feeding technology and device still rest among the other pressure roller feeding technology of special feed extruder and the state of device, current cold feed extruder is caused to there is other pressure roller when extruding the sizing material be fed into, rubber very easily sticks on other pressure roller, how rapidly and efficiently other pressure roller is carried out cleanly still there is certain difficulty.
In view of above-mentioned defect, the utility model creator obtains the utility model finally through long research and practice.
Utility model content
The purpose of this utility model is, provides a kind of drawing-in device of rubber preforming machine, in order to solve above-mentioned technological deficiency.
For achieving the above object, the technical solution adopted in the utility model is, a kind of drawing-in device of rubber preforming machine is provided, comprise a machine barrel, one screw rod, pressure roller and a spreading knife on one side, it is inner that described screw rod is positioned at described machine barrel, the side of described screw rod is provided with a driven wheel, the side of described other pressure roller is provided with a travelling gear, described driven wheel coordinates described travelling gear, described spreading knife is positioned in the middle of described screw rod and described other pressure roller, described spreading knife is fixed on tool rest, described tool rest comprises at least one adjusting screw(rod), described adjusting screw(rod) is connected with described machine barrel through described tool rest, described adjusting screw(rod) can move up and down in described tool rest.
Preferably, the cylindrical structure of described other pressure roller, its inner hollow.
Preferably, described other pressure roller inside is provided with a hollow metal bar.
Preferably, described spreading knife is near described other pressure roller.
Preferably, the both sides of described other pressure roller are fixedly installed one first contrary ratchet of gear direction and one second ratchet respectively, and described first ratchet is around the direction of rotation inwardly precession successively of described other pressure roller.
Preferably, described drawing-in device also comprises roll cover on one side, and described other roll cover is connected with described machine barrel, and it is inner that described other pressure roller is fixed on described other roll cover.
Preferably, described drawing-in device also comprises a leading screw, and described leading screw one end is connected with described other roll cover by front swing seat, and one end is connected with described machine barrel by rear swing seat.
Preferably, described drawing-in device also comprises a swinging axle, and described swinging axle is positioned at the downside of described other roll cover, and connects with described other roll cover, and described other roll cover can be moved around described swinging axle.
Preferably, the vertical range of described spreading knife and described other pressure roller is
Wherein, H is the vertical range of described spreading knife and described other pressure roller, and P is the power of motor, T is nominal torque, and R is the radius of described other pressure roller, and l represents the width of elastomeric material, d represents the thickness of elastomeric material, and S represents the surface area of described other pressure roller, and α represents the adhesion coefficient of elastomeric material.
Preferably, the span of described adhesion coefficient is: α ∈ [0.2,0.6].
Compared with prior art, the beneficial effects of the utility model are: the use of adjusting screw(rod), according to the vertical range of different conditions adjustment spreading knife apart from other pressure roller, can be conducive to the clean intensity ensured when protecting spreading knife other pressure roller; The other hollow design of pressure roller and the design of hollow metal bar, be conducive to the circulation of cooling fluid in other pressure roller inside, achieve the cooling to other pressure roller.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of the drawing-in device of a kind of rubber preforming machine of the utility model;
Fig. 2 is the half sectional view of the drawing-in device of a kind of rubber preforming machine of the utility model;
Fig. 3 is the side structure schematic diagram of the drawing-in device of a kind of rubber preforming machine of the utility model;
Fig. 4 is the side sectional view of the drawing-in device of a kind of rubber preforming machine of the utility model;
Fig. 5 is the structural representation of other pressure roller both sides ratchet.
Detailed description of the invention
Understand the technical solution of the utility model and beneficial effect for ease of those skilled in the art, spy describes as follows to detailed description of the invention by reference to the accompanying drawings.
Embodiment one
Referring to figs. 1 through Fig. 4, a kind of drawing-in device of rubber preforming machine, comprises delivery unit, change feeding unit, cleaning unit and cooling unit, wherein:
It is inner that described delivery unit is positioned at preformed machine barrel, travels forward for driving rubber;
Described change feeding unit is positioned at the side of described delivery unit, enters described delivery unit for driving rubber;
Described cleaning unit is positioned at the centre of described delivery unit and described change feeding unit, and rubber residual on clean described change feeding unit, makes rubber can enter described delivery unit completely;
It is inner that described cooling unit is positioned at described change feeding unit, for cooling described change feeding unit, prevents its temperature too high.
Described delivery unit comprises machine barrel 11 and a screw rod 12, and it is inner that described screw rod 12 is positioned at described machine barrel 11, for carrying out stir process to elastomeric material.Described screw rod 12 is fixedly connected with a driven wheel near one end of described other pressure roller 22, and the motion of described screw rod 12 drives the motion of described driven wheel.
Described change feeding unit comprises roll cover 21, other pressure roller 22, swinging axle 23, leading screw 24 and proficiency pulling shaft 25 on one side, wherein:
Described other roll cover 21 is connected with described machine barrel 11, and described other pressure roller 22 is positioned at the inside of described other roll cover 21.
Described other pressure roller 22 is fixedly connected with described machine barrel 11, the cylindrical structure of described other pressure roller 22, its smooth surface.One end of described other pressure roller 22 is fixedly connected with a travelling gear, described travelling gear connects with described driven wheel, the motion of described driven wheel drives described travelling gear to move, thus moves in the opposite direction the while of achieving described screw rod 12 and described other pressure roller 22.Elastomeric material enters between described screw rod 12 and described other pressure roller 22 from spout, due to both counter motions, makes elastomeric material be pressed into described machine barrel 11 by gap between the two inner, achieves feeding.
Described swinging axle 23 is positioned at the downside of described other roll cover 21, and connect with described other roll cover 21, described other roll cover 21 can be moved around described swinging axle 23, achieves described change feeding unit and opens from described machine barrel 11, be convenient to maintenance and the cleaning of described drawing-in device.The two ends of described swinging axle 23 are fixed on described machine barrel 11 respectively by left fixture 231 and right fixture 232.
Described leading screw 24 one end is connected with described other roll cover 21 by front swing seat 241, and one end is connected with described machine barrel 11 by rear swing seat 242.Adjust described leading screw 24, described other roll cover 21 is overturn on described swinging axle 23, thus described other roll cover 21 and described machine barrel 11 are separated.
Describedly pull the upper end that axle 25 is fixedly connected on described other roll cover 21, for opening described other roll cover 21.
Described cleaning unit comprises spreading knife 31, tool rest 32 and an adjusting seat 33, wherein:
Described spreading knife 31 is fixed on described tool rest 32, and described spreading knife 31 is placed between described screw rod 12 and described other pressure roller 22, the rotary motion of described other pressure roller 22, described spreading knife 31 can be scraped remain in the elastomeric material on described other pressure roller 22, what achieve described other pressure roller 22 is clean;
Described tool rest 32 is positioned in described adjusting seat 33, for carrying described spreading knife 31.Described tool rest 32 comprises at least one adjusting screw(rod), and described adjusting screw(rod) is connected with described machine barrel 11 through described tool rest 32, and described adjusting screw(rod) can move up and down in described tool rest 32.By the adjustment to the height of adjusting screw(rod) in described tool rest 32, thus achieve the height of described tool rest 32 is regulated, also achieve and the height of spreading knife 31 is regulated.The height of described spreading knife 31 is different, they are also different relative to the vertical range of described other pressure roller 22, also different to the clean dynamics of described other pressure roller 22, namely described spreading knife 31 is nearer in the vertical range of described other pressure roller 22, and it is larger to the clean dynamics of described other pressure roller 22.Described adjusting screw(rod) can be fixed on described machine barrel by bolt etc.By regulating the height of described adjusting screw(rod), thus change the height of described spreading knife 31.
Described adjusting seat 33 is fixed on described machine barrel 11, and is fixedly connected with described tool rest 32, for supporting described spreading knife 31.
Described cooling unit comprises a metallic rod 41, and it is inner that described metallic rod 41 is positioned at described other pressure roller 22, cylindrical structure and hollow, its both ends open.The continual one end from metallic rod 41 of cooling fluid enters, and exports from the other end, achieves the cooling to described other pressure roller 22.
Composition graphs 5, the both sides of described other pressure roller 22 are fixedly connected with one first ratchet 221 and one second ratchet 222 respectively, the gear direction of described first ratchet 221 and described second ratchet 222 is contrary, both all move in the same way with described other pressure roller 22, and described first ratchet 221 is around the direction of rotation inwardly precession successively of described other pressure roller 22.Elastomeric material on other pressure roller 22 pushes away to the right by described first ratchet 221, elastomeric material on other pressure roller 22 pushes away left by described second ratchet 222, namely the centre of elastomeric material to described other pressure roller 22 pushes away by both actings in conjunction, effectively prevents elastomeric material under high pressure to enter the two ends of other pressure roller 22.
Embodiment two
The drawing-in device of the described rubber preforming machine in embodiment one as above, the present embodiment improves cleaning unit described in it based on described drawing-in device.Described adjusting seat 33 is fixed on described machine barrel 11, by the adjustment to the height of adjusting screw(rod) in described tool rest 32, thus achieves and regulates the height of described tool rest 32, also achieve and regulate the height of spreading knife 31.The height of described spreading knife 31 is different, they are also different relative to the vertical range of described other pressure roller 22, also different to the clean dynamics of described other pressure roller 22, namely described spreading knife 31 is nearer in the vertical range of described other pressure roller 22, and it is larger to the clean dynamics of described other pressure roller 22.If but described spreading knife 31 is excessively near apart from described other pressure roller 22, can cause the excessive use of described spreading knife 31, affect its service life; If described spreading knife 31 is excessively far away apart from described other pressure roller 22, clean dynamics can be caused not enough, cause the elastomeric material of adhesion on described other pressure roller 22 too much.When described spreading knife 31 is identical with the rubber thickness sticked on described other pressure roller 22 apart from the vertical height of described other pressure roller, cleaning efficiency is best, both unduly use described spreading knife 31, and also can clean the elastomeric material in adhesion on described other pressure roller 22 in time.The computing formula that described spreading knife 31 is H, H with the vertical height of described other pressure roller 22 is:
Wherein, v
0represent the linear velocity of described other pressure roller 22, l represents the width of elastomeric material, and d represents the thickness of elastomeric material, and S represents the surface area of described other pressure roller 22, and α represents the adhesion coefficient of rubber, and α ∈ [0.2,0.6].Elastomeric material is when described other pressure roller 22 enters described machine barrel 11, because the adhesion of itself and described other pressure roller 22 can cause a part of elastomeric material to stay the surface of described other pressure roller 22, remain in the thickness on described other pressure roller 22 by elastomeric material in calculating certain hour, thus learn the best vertical range of described spreading knife 31 and described other pressure roller 22.
The linear velocity v of other pressure roller 22
0computing formula be:
Wherein, P is the power of motor, and T is nominal torque, and R is the radius of described other pressure roller 22.Because described screw rod 12 drives described other pressure roller 22 to move, so both linear velocities are identical by described travelling gear and described driven wheel.
Merged by above-mentioned two formula, known, described spreading knife 31 with the best vertical height of described other pressure roller 22 is:
When described spreading knife 31 is H apart from the vertical height of described other pressure roller 22, cleaning efficiency is best, has both unduly used described spreading knife 31, also can clean the elastomeric material in adhesion on described other pressure roller 22 in time.
The foregoing is only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes and amendment in the spirit and scope that the utility model claim limits to it, even equivalence, but all will fall in protection domain of the present utility model.
Claims (10)
1. the drawing-in device of a rubber preforming machine, comprise a machine barrel, one screw rod, pressure roller and a spreading knife on one side, it is inner that described screw rod is positioned at described machine barrel, the side of described screw rod is provided with a driven wheel, the side of described other pressure roller is provided with a travelling gear, described driven wheel coordinates described travelling gear, described spreading knife is positioned in the middle of described screw rod and described other pressure roller, it is characterized in that, described spreading knife is fixed on tool rest, described tool rest comprises at least one adjusting screw(rod), described adjusting screw(rod) is connected with described machine barrel through described tool rest, described adjusting screw(rod) can move up and down in described tool rest.
2. the drawing-in device of rubber preforming machine according to claim 1, is characterized in that, the cylindrical structure of described other pressure roller, its inner hollow.
3. the drawing-in device of rubber preforming machine according to claim 2, is characterized in that, described other pressure roller inside is provided with a hollow metal bar.
4. the drawing-in device of the rubber preforming machine according to Claims 2 or 3, is characterized in that, described spreading knife is near described other pressure roller.
5. the drawing-in device of rubber preforming machine according to claim 4, it is characterized in that, the both sides of described other pressure roller are fixedly installed one first contrary ratchet of gear direction and one second ratchet respectively, and described first ratchet is around the direction of rotation inwardly precession successively of described other pressure roller.
6. the drawing-in device of rubber preforming machine according to claim 1, is characterized in that, described drawing-in device also comprises roll cover on one side, and described other roll cover is connected with described machine barrel, and it is inner that described other pressure roller is fixed on described other roll cover.
7. the drawing-in device of rubber preforming machine according to claim 6, is characterized in that, described drawing-in device also comprises a leading screw, and described leading screw one end is connected with described other roll cover by front swing seat, and one end is connected with described machine barrel by rear swing seat.
8. the drawing-in device of rubber preforming machine according to claim 7, it is characterized in that, described drawing-in device also comprises a swinging axle, and described swinging axle is positioned at the downside of described other roll cover, and connect with described other roll cover, described other roll cover can be moved around described swinging axle.
9. the drawing-in device of rubber preforming machine according to claim 1, is characterized in that, the vertical range of described spreading knife and described other pressure roller is
Wherein, H is the vertical range of described spreading knife and described other pressure roller, and P is the power of motor, T is nominal torque, and R is the radius of described other pressure roller, and l represents the width of elastomeric material, d represents the thickness of elastomeric material, and S represents the surface area of described other pressure roller, and α represents the adhesion coefficient of elastomeric material.
10. the drawing-in device of rubber preforming machine according to claim 9, is characterized in that, the span of described adhesion coefficient is: α ∈ [0.2,0.6].
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066090.4U CN204471821U (en) | 2015-01-30 | 2015-01-30 | A kind of drawing-in device of rubber preforming machine |
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| CN201520066090.4U CN204471821U (en) | 2015-01-30 | 2015-01-30 | A kind of drawing-in device of rubber preforming machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608361A (en) * | 2015-01-30 | 2015-05-13 | 舟山市震勇橡塑机械有限公司 | Feeding device of rubber preforming machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608361A (en) * | 2015-01-30 | 2015-05-13 | 舟山市震勇橡塑机械有限公司 | Feeding device of rubber preforming machine |
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