阅读说明：本技术 一种切胶机 (Rubber cutting machine ) 是由 倪少龙 黄彦鹏 李宏宽 于 2020-05-26 设计创作，主要内容包括：本发明是一种切胶机,包括第一转轴、螺旋刀、砧板以及壳体；所述壳体上形成有料槽,壳体内形成有安装空间,所述料槽与安装空间连通；所述第一转轴、螺旋刀以及砧板设置在安装空间内；所述螺旋刀设置多个,并间隙固定在所述第一转轴上随该第一转轴转动,所述砧板设置在螺旋刀间的间隙中,所述壳体一侧面挤出面,所述螺旋刀与砧板配合切割并将被加工物推向所述挤出面；所述挤出面的外侧设置有刮刀,所述刮刀切割从挤出面挤出的被加工物。对胶体的推进和切割结构进行了改进,延长切胶机连续生产时间,提高连续工作时所生产的胶片的质量。(The invention relates to a rubber cutting machine, which comprises a first rotating shaft, a spiral cutter, a chopping block and a shell; a material groove is formed in the shell, an installation space is formed in the shell, and the material groove is communicated with the installation space; the first rotating shaft, the spiral knife and the chopping board are arranged in the mounting space; the spiral knives are arranged in plurality and fixed on the first rotating shaft in a clearance manner to rotate along with the first rotating shaft, the chopping block is arranged in the clearance between the spiral knives, one side surface of the shell is an extrusion surface, and the spiral knives and the chopping block are matched for cutting and pushing the processed object to the extrusion surface; and a scraper is arranged on the outer side of the extrusion surface and used for cutting the processed object extruded from the extrusion surface. The advancing and cutting structure of the colloid is improved, the continuous production time of the rubber cutting machine is prolonged, and the quality of the produced rubber sheets during continuous work is improved.)

1. A rubber cutting machine is characterized by comprising a first rotating shaft, a spiral cutter, a chopping block and a shell; a material groove is formed in the shell, an installation space is formed in the shell, and the material groove is communicated with the installation space; the first rotating shaft, the spiral knife and the chopping board are arranged in the mounting space; the spiral knives are arranged in plurality and fixed on the first rotating shaft in a clearance manner to rotate along with the first rotating shaft, the chopping block is arranged in the clearance between the spiral knives, one side surface of the shell is an extrusion surface, and the spiral knives and the chopping block are matched for cutting and pushing the processed object to the extrusion surface; and a scraper is arranged on the outer side of the extrusion surface and used for cutting the processed object extruded from the extrusion surface.

2. The rubber cutting machine according to claim 1, wherein the helical blades rotate on the rotating shaft to form rotating spaces arranged with gaps, and only one helical blade is arranged in each rotating space.

3. The rubber cutting machine according to claim 1, wherein the spiral knife is provided with an arc-shaped surface facing the extrusion surface, and the arc-shaped surface pushes the processed object to the extrusion surface under the rotation action of the first rotating shaft.

4. The rubber cutting machine according to claim 3, wherein the two sides of the spiral knife engaged with the cutting board or the extrusion surface are configured as cutting edges, the length of the cutting edges is matched with the length of the cutting board, and the cutting edges are in clearance fit with the adjacent cutting board to cut the processed object or are matched with the extrusion surface to extrude the processed object.

5. The rubber cutting machine according to claim 1, further comprising a second rotating shaft, wherein the second rotating shaft rotates coaxially with the first rotating shaft, and the scraper is fixed on the second rotating shaft and rotates with the second rotating shaft to cut the processed object.

6. The rubber cutting machine according to claim 5, wherein the extrusion surface is provided with a circular orifice plate, the middle of the circular orifice plate is hollowed, the hollowed part is used for connecting the first rotating shaft and the second rotating shaft, a plurality of extrusion holes are arranged on the circular orifice plate around the hollowed part, and the processed object is extruded out of the shell through the extrusion holes.

7. The rubber cutting machine according to claim 6, wherein a plurality of extrusion holes are arranged on the circular orifice plate, the range of the scraper rotating along with the second shaft covers all the extrusion holes, and a gap of 1-1.5mm is arranged between the scraper and the circular orifice plate.

8. The rubber cutting machine according to claim 1, further comprising a driving device, wherein the output end of the driving device is in transmission connection with the first rotating shaft, and the driving device comprises a frequency converter which controls the output rotating speed of the output end.

9. The rubber cutting machine according to claim 1, further comprising a bin disposed at a lower end of the doctor blade.

10. The rubber cutting machine according to claim 1, wherein the first rotating shaft comprises a main shaft and shaft sleeves, the number of the shaft sleeves is matched with the number of the spiral cutters, the spiral cutters are welded in the middle of the shaft sleeves, and the main shaft is connected with the shaft sleeves through keys.

Technical Field

The invention relates to the field of rubber sheet making equipment, in particular to a rubber cutting machine.

Background

The rubber comprises natural rubber and synthetic rubber, in the industries of high polymer polymerization, plastic modification and the like, the rubber is generally required to be subjected to dissolution pretreatment, the pretreatment is to crush and cut large blocks of rubber into rubber particles with the particle size of 1-1.5mm, the conventional scheme of the rubber dissolution pretreatment is to generally adopt sheet raw materials and adopt a screw to extrude and mold the large blocks of rubber, but the adoption of the sheet raw materials has the defects of high cost, high storage difficulty, unsuitability for large-scale production and the like, the adoption of the screw extrusion molding mode can process the large blocks of rubber, can reduce the production cost of the rubber, but the defects of easiness in rubber overheating, difficulty in controlling the granulation particle size, difficulty in meeting the requirements of large-scale continuous production and the like exist through screw extrusion.

Disclosure of Invention

The invention aims to solve the technical problems and provides a rubber cutting machine, which improves the propelling and cutting structures of rubber, prolongs the continuous production time of the rubber cutting machine and improves the quality of rubber sheets produced during continuous work.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a rubber cutting machine comprises a first rotating shaft, a spiral cutter, a chopping block and a shell; a material groove is formed in the shell, an installation space is formed in the shell, and the material groove is communicated with the installation space; the first rotating shaft, the spiral knife and the chopping board are arranged in the mounting space; the spiral knives are arranged in plurality and fixed on the first rotating shaft in a clearance manner to rotate along with the first rotating shaft, the chopping block is arranged in the clearance between the spiral knives, one side surface of the shell is an extrusion surface, and the spiral knives and the chopping block are matched for cutting and pushing the processed object to the extrusion surface; and a scraper is arranged on the outer side of the extrusion surface and used for cutting the processed object extruded from the extrusion surface.

The processed object is natural rubber or synthetic rubber, the rubber cutting machine can solve the problem of crushing and conveying of large rubber blocks, the large rubber blocks are thrown into the shell through the trough to be crushed and conveyed, and particularly, a device for cutting and pushing the processed object on the first rotating shaft is improved; the spiral knife is arranged in the gap, excessive friction with rubber is avoided, the spiral knife and a chopping board in the gap are matched for cutting, the rubber object is pushed to the extrusion surface, the rubber extruded by the extrusion surface is cut into fluffy rubber pieces by a scraper in the extrusion surface, and the dissolution or modification processing is facilitated.

Further, the spiral blades rotate on the rotating shaft to form rotating spaces arranged at intervals, and only one spiral blade is arranged in each rotating space. The quantity of the spiral knives is reduced, so that the heat productivity of rubber can be reduced, and the granularity of the produced rubber sheet can be conveniently controlled.

Still further, the spiral knife is provided with an arc-shaped surface facing the extrusion surface, and the arc-shaped surface pushes the processed object to the extrusion surface under the rotating action of the first rotating shaft. The arc-shaped surface is beneficial to pushing the rubber to move towards the extrusion surface.

And furthermore, two side edges of the spiral knife matched with the chopping board or the extrusion surface are set into cutting edges, the length of each cutting edge is matched with that of the chopping board, and the cutting edges are in clearance fit with the adjacent chopping board to cut the processed object or are matched with the extrusion surface to extrude the processed object. The length of cutting edge with the length cooperation of chopping block, the spiral sword of being convenient for also the chopping block cooperation cuts rubber and propelling movement rubber gos forward.

Still further, still include the second pivot, the second pivot with first pivot coaxial rotation, the scraper is fixed in on the second pivot, rotates along with this second pivot and cuts the thing by the processing. The existing rubber cutting machine generally cuts rubber strips in a non-coaxial rotating manner, so that the cutting efficiency is low; the utility model provides a first pivot and the synchronous cutting of second pivot improve the production efficiency of cutting rubber sheet.

And furthermore, a circular pore plate is arranged on the extrusion surface, the middle of the circular pore plate is hollow, the hollow part is used for connecting the first rotating shaft and the second rotating shaft, a plurality of extrusion holes are arranged on the circular pore plate around the hollow part, and the processed object is extruded out of the shell from the extrusion holes.

And furthermore, a plurality of extrusion holes are formed in the circular pore plate, the scraper covers all the extrusion holes in the range rotating along with the second shaft, and a gap of 1-1.5mm is formed between the scraper and the circular pore plate. The extruded rubber strip is cut into 1-1.5mm rubber sheets by a convenient scraper.

Still further, still include drive arrangement, drive arrangement's output is connected with first pivot transmission, drive arrangement includes the converter, and the output rotational speed of output is controlled to this converter. The output rotating speed of the frequency converter control output end is convenient for controlling the yield and the granularity.

Still further, still include the feed bin, the feed bin setting is in the lower extreme of scraper.

Still further, first pivot includes main shaft and axle sleeve, the quantity of axle sleeve with the quantity cooperation of spiral sword, spiral sword weld in the axle sleeve middle part, the main shaft with the axle sleeve passes through the key-type connection.

Drawings

FIG. 1 is a perspective view of the bale cutter of the present invention;

FIG. 2 is a perspective view of a first shaft of the present invention;

FIG. 3 is a schematic cross-sectional view of the bale cutter of the present invention;

fig. 4 is a working flow of the rubber cutting machine of the invention.

Detailed Description

The invention relates to a rubber cutting machine, which is described by combining the attached drawings.

The rubber cutting machine shown in fig. 1 to 4 comprises a first rotating shaft 2, a second rotating shaft 4, a spiral knife 6, a bin 5, a cutting board and a shell 1; a trough 12 is formed on the shell 1, an installation space is formed in the shell 1, and the trough 12 is communicated with the installation space; the first rotating shaft 2, the spiral knife 6 and the chopping block are arranged in the mounting space; a plurality of spiral knives 6 are arranged and fixed on the first rotating shaft 2 at intervals to rotate along with the first rotating shaft 2, the chopping blocks are arranged in the gaps among the spiral knives 6, one side surface of the shell 1 is extruded to form a surface 11, and the spiral knives 6 are matched with the chopping blocks to cut and push the processed object to the extruded surface 11; a scraper 3 is arranged on the outer side of the extrusion surface 11, and the scraper 3 cuts the processed object extruded from the extrusion surface 11; the bin 5 is arranged at the lower end of the scraper 3; the second rotating shaft 4 and the first rotating shaft 2 rotate coaxially, and the scraper 3 is fixed on the second rotating shaft 4 and rotates with the second rotating shaft 4 to cut the processed object. The existing rubber cutting machine generally cuts rubber strips in a non-coaxial rotating manner, so that the cutting efficiency is low; the utility model provides a first pivot 2 and 4 synchronous cutting of second pivot improve the production efficiency of cutting rubber sheet.

As shown in fig. 4, the working process of the rubber cutting machine includes: the big block of rubber is thrown into the shell 1 from the trough 12, the chopping block below the trough 12 and the spiral knife 6 between the chopping blocks form an open spiral, and two functions are realized: 1 is that spiral sword 6 catches on the piece of gluing, and the while is rotatory cuts the piece of gluing on the chopping block, 2 is that spiral sword 6 is whole to be the heliciform, cooperates the rotation of first pivot 2, forms open spiral with the chopping block, promotes forward at the colleague of cutting rubber to good rubber. Under the action of the spiral knife 6 and the first rotating shaft 2, rubber is pushed to the extrusion surface 11, rubber strips are extruded from the extrusion surface 11, and the rubber strips are cut by the scraper 3 outside the extrusion surface 11 to form fluffy rubber sheets, so that the rubber is conveniently dissolved or modified.

As shown in fig. 2, a 2 structures of first pivot convenient to installation and repair is provided, first pivot 2 includes main shaft and axle sleeve 22, and the both ends of main shaft are provided with axle head 21 and are used for connecting second pivot 4 and drive arrangement's output, and the quantity of axle sleeve 22 is equipped with a plurality ofly, axle sleeve 22 the quantity with the quantity cooperation of spiral sword 6, the quantity of spiral sword 6 is no less than axle sleeve 22's quantity promptly, guarantees all to be fixed with a spiral sword 6 on every axle sleeve 22, and the quantity of the spiral sword 6 of fixing on preferred every axle sleeve 22 is all the same, conveniently forms the consumptive material, makes things convenient for the change of spiral sword 6, spiral sword 6 weld in axle sleeve 22 middle part, the main shaft with axle sleeve 22 passes through the key-type connection. With the structure, when the spiral cutter 6 is broken, the new shaft sleeve 22 and the corresponding spiral cutter 6 can be conveniently replaced.

The spiral blades 6 rotate on the rotating shaft to form rotating spaces of gaps, and only one spiral blade 6 is arranged in each rotating space. The quantity of the spiral knives 6 is reduced, so that the heat productivity of rubber can be reduced, and the granularity of the produced rubber sheet can be conveniently controlled. The spiral knife 6 is provided with an arc surface 62 facing the extrusion surface 11, and the arc surface 62 pushes the processed object to the extrusion surface 11 under the rotation action of the first rotating shaft 2. The arcuate surface 62 is beneficial in pushing the rubber toward the extrusion face 11. The two side edges of the spiral knife 6 matched with the chopping block or the extrusion surface 11 are set into cutting edges 61, the length of the cutting edges 61 is matched with that of the chopping block, and the cutting edges 61 are in clearance fit with the adjacent chopping block to cut the processed object or are matched with the extrusion surface 11 to extrude the processed object. The length of cutting edge 61 with the length cooperation of chopping block, the spiral sword 6 of being convenient for also the chopping block cooperation cuts rubber and propelling movement rubber gos forward.

The extrusion surface 11 is provided with a circular pore plate 111, the middle of the circular pore plate 111 is hollow, the hollow part is used for connecting the first rotating shaft 2 and the second rotating shaft 4, a plurality of extrusion holes are arranged on the circular pore plate 111 around the hollow part, and the processed object is extruded out of the shell 1 from the extrusion holes. The circular pore plate 111 is provided with a plurality of extrusion holes, the scraper 3 covers all the extrusion holes along with the rotation range of the second shaft, and a gap of 1-1.5mm is arranged between the scraper 3 and the circular pore plate 111. The extruded rubber strip is cut into 1-1.5mm rubber sheets by a convenient scraper 3.

The device further comprises a driving device (not shown in the figure), wherein the output end of the driving device is in transmission connection with the first rotating shaft 2, and the driving device comprises a frequency converter which controls the output rotating speed of the output end. The output rotating speed of the frequency converter control output end is convenient for controlling the yield and the granularity.

The processed object is natural rubber or synthetic rubber, the rubber cutting machine can solve the problem of crushing and conveying of large rubber blocks, the large rubber blocks are thrown into the shell 1 through the trough 12 to be crushed and conveyed, and a device for cutting and pushing the processed object on the first rotating shaft 2 is improved specifically, the spiral cutter 6 arranged in the gap and a chopping block structure arranged in the gap are adopted to replace a traditional screw rod structure, so that the problems that the rubber is overheated due to too much extrusion friction between the screw rod and the rubber, and the granulation granularity is difficult to control are solved; the spiral knife 6 is arranged in the gap to avoid excessive friction with rubber, the spiral knife 6 is matched with a cutting board in the gap to cut and push the rubber object to the extrusion surface 11, and the scraper 3 in the extrusion surface 11 cuts the rubber extruded by the extrusion surface 11 into fluffy rubber sheets, so that the dissolution or modification processing is facilitated.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.