CN110281412B

CN110281412B - Open mill

Info

Publication number: CN110281412B
Application number: CN201910692652.9A
Authority: CN
Inventors: 张鸣霆; 张一木; 王体坤; 周文发; 何建武
Original assignee: Zhejiang Baideli Leather Co ltd
Current assignee: Zhejiang Baideli Leather Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-12-25
Anticipated expiration: 2039-07-30
Also published as: CN110281412A

Abstract

The invention relates to an open mill, which relates to the technical field of artificial leather production equipment and comprises a rack, wherein two squeeze rollers driven by a hydraulic motor are arranged on the rack at intervals, a plurality of mounting frames distributed along the axial direction of the squeeze rollers are arranged on the rack and above the squeeze rollers, a hydraulic cylinder is arranged on the lower surface of each mounting frame, a piston rod of the hydraulic cylinder is provided with a fixing frame, the vertical projection of the axial line of the fixing frame and the vertical projection of the axial line of the squeeze rollers are inclined in a staggered manner, a cutting knife and a plurality of guide wheels are arranged on the lower surface of the fixing frame along the length direction, and the cutting knife is inclined. According to the invention, the sheet-shaped rubber material is cut by the cutting knife and rolled by the guide wheel, so that manual operation is replaced, on one hand, the labor intensity of workers is greatly reduced, on the other hand, the potential safety hazard is reduced, and the probability of scalding hands of the workers after long-term work is reduced.

Description

Open mill

Technical Field

The invention relates to the technical field of artificial leather production equipment, in particular to an open mill.

Background

The open mill is called as an open rubber mixing machine, is one of basic equipment in the leather and rubber industry, and generally comprises a frame, a motor arranged on the frame, and two rollers arranged between the frame in parallel and connected with the motor; and the receiving tray is arranged below the roller, wherein the motor drives the roller to move inwards at different rotating speeds, the rubber material is added from the middle of the roller, is rolled into a gap between the two rollers along with the rotation of the roller and is mixed under the action of strong shearing and extrusion, the flaky rubber material falling from the middle of the roller and the overflowing material scattered from the periphery of the roller are received by the receiving tray and are added from the middle of the roller again after being collected together, and the purpose of plastication or mixing is achieved through repeated shearing and extrusion.

In the prior art, the open mill needs to turn over the rubber material in time, so as to play a role in stirring the rubber material and improve the uniformity of the rubber material. In the prior art, a worker uses a knife to cut the rubber material obliquely and turn the rubber material by hand, and the temperature of a roller is higher during open mixing, so that the worker needs to operate beside an open mill all the time, the labor intensity is high, and potential safety hazards exist.

Disclosure of Invention

The invention aims to provide an open mill which cuts sheet-shaped rubber materials through a cutting knife and rolls the sheet-shaped rubber materials through a guide wheel, so that manual operation is replaced, on one hand, the labor intensity of workers is greatly reduced, on the other hand, the potential safety hazard is reduced, and the probability that the hands of the workers are scalded after long-term work is reduced.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an open mill, includes the frame, it is provided with two squeeze rolls by hydraulic motor driven to rotate the interval in the frame, just be located in the frame the squeeze roll top is provided with the edge a plurality of mounting brackets that the axis direction of squeeze roll distributes, the mounting bracket lower surface is provided with the pneumatic cylinder, the piston rod of pneumatic cylinder is provided with the mount, the vertical projection of the axis of mount with the crisscross slope of vertical projection of the axis of squeeze roll, the mount lower surface is provided with cutting knife and a plurality of leading wheel along length direction, the cutting knife is the slope form.

By adopting the technical scheme, when the material needs to be turned, the hydraulic cylinder is started, and drives the fixing frame to descend, so that the cutting knife descends to the surface of the extrusion roller to cut the sheet-shaped rubber material, and manual cutting is replaced; and the guide wheel can lead the cut flaky sizing material to curl, so that manual turning is replaced, the purpose of cutting and turning the flaky sizing material is achieved, manual operation is not needed, on one hand, the labor intensity of workers is greatly reduced, on the other hand, the potential safety hazard is reduced, and the probability that the hands are scalded after the workers work for a long time is reduced.

Preferably, the cutting knife is close to one end of the squeezing roller and gradually curls upwards from one end far away from the guide wheel to one end close to the guide wheel.

By adopting the technical scheme, after the sheet rubber is cut off by the cutting knife, the curled end of the cutting knife can guide the sheet rubber to curl, so that the following guide wheel can guide the sheet rubber to be smooth, and the probability that the sheet rubber is clamped on the guide wheel is reduced.

Preferably, the diameter of the guide wheel gradually increases from the end close to the cutting knife to the end far away from the cutting knife.

Through adopting above-mentioned technical scheme, after the cutting of slice sizing material, can curl, and keep away from the cutting knife more, the diameter of curling of slice sizing material is big more, consequently sets up through the grow gradually of leading wheel for adapt to the bigger and bigger slice sizing material of diameter, guarantee the guide effect of leading wheel to slice sizing material.

Preferably, the guide wheel surface is provided with a raised point.

Through adopting above-mentioned technical scheme, increase the roughness on leading wheel surface, improve the frictional force between leading wheel and the slice sizing material, reduce the probability that appears skidding relatively between the two to improve the guide effect to the slice sizing material.

Preferably, a turntable is rotatably mounted on the lower surface of the mounting frame, the mounting frame is provided with a rotating assembly connected with the turntable, and the hydraulic cylinder is mounted on the lower surface of the turntable;

the fixing frame comprises an elastic plate, a piston rod of the hydraulic cylinder is provided with a connecting plate, a first connecting rod and a second connecting rod are respectively arranged on the lower surface of the connecting plate, the first connecting rod and the second connecting rod are hinged to the upper surface of the elastic plate at intervals in the length direction, and the hinged point of the second connecting rod and the elastic plate can slide along the length direction of the elastic plate;

the two ends of the elastic plate in the length direction are respectively provided with a fixed plate, the two fixed plates are respectively provided with a rotating block in a rotating way, an adjusting screw rod is arranged on the two rotating blocks, one end of the adjusting screw rod is rotatably connected with one of the rotating blocks, and the other end of the adjusting screw rod penetrates through the other rotating block in a threaded way;

the lower surface of the elastic plate is provided with a plurality of bases at intervals along the length direction, the guide wheel is rotatably installed on the bases through a rotating shaft, and the cutting knife is installed on the lower surface of the elastic plate and located at one end opposite to the movement direction of the flaky rubber material.

Through adopting above-mentioned technical scheme, because the raw materials of the synthetic leather of different grade type are different, the time that needs the stirring is different with the time of raw materials misce bene, consequently need control the vertical projection of the axis of mount and the contained angle of the vertical projection of the axis of squeeze roll to adjust the time and the number of times of rolling up. When the change is needed, the elastic plate is lifted by retracting the piston rod of the hydraulic cylinder, and then the rotating assembly drives the rotating disc to rotate, so that the elastic plate synchronously rotates; then the elastic plate is put down through the hydraulic cylinder, the adjusting screw rod is rotated, the distance between the two fixing plates is enlarged or reduced, and the bending degree of the elastic plate between the adjacent bases is changed under the driving of the two fixing plates; meanwhile, in order to ensure that the distance between the first connecting rod and the second connecting rod is unchanged, the position of the second connecting rod on the elastic plate also slides, and finally, an arc line formed by the guide wheel and the cutting knife on the elastic plate can be parallel to the surface of the extrusion roller, so that the adjusting process is completed, and the adjusting of the turning time and the turning times of different rubber materials is realized.

Preferably, the rotating assembly comprises a rotating motor installed on the lower surface of the mounting frame, a threaded gear installed on an output shaft of the rotating motor, and a gear ring installed on the turntable and engaged with the threaded gear.

By adopting the technical scheme, when the turntable needs to be rotated, the output shaft of the rotating motor drives the threaded gear to rotate, the threaded gear drives the gear ring to rotate, and the turntable and the gear ring synchronously rotate, so that the purpose of rotating the turntable is realized; and the meshing form of the thread gear and the gear ring is similar to the form of a worm gear, and the self-locking function is realized, so that when the rotating motor stops rotating, the position of the rotary table is fixed.

Preferably, keep away from the cutting knife be provided with drive motor on the base, drive motor with correspond pivot on the base is connected, and is adjacent the pivot is connected through scalable universal joint.

By adopting the technical scheme, the guide wheel rotates when the sheet-shaped rubber material moves along the extrusion roller, so that the guide effect on the sheet-shaped rubber material is not good. Through the arrangement of the transmission motor and the telescopic universal joint, the guide wheel is driven by the transmission motor to actively rotate, so that the guide effect of the guide wheel on the sheet-shaped rubber material is improved; because the bending of the elastic plate can be adjusted, the telescopic universal joint is adopted, so that the telescopic universal joint can drive the connected rotating shaft to rotate when the elastic plate is in different bending states.

Preferably, a bendable sliding rod is arranged on the upper surface of the elastic plate and at one end, far away from the adjusting screw, of the elastic plate, which is rotatably connected with the fixed plate, and the axis of the sliding rod is on the bending plane of the elastic plate; the sliding rod is provided with a sliding block in clearance sliding fit, and the second connecting rod is hinged to the sliding block.

Through adopting above-mentioned technical scheme, when the elastic plate takes place the bending, the slider slides along the slide bar to guarantee that the interval between head rod and the second connecting rod keeps unchangeable.

Preferably, be provided with the guide rail in the frame, the length direction of guide rail with squeeze roll's axial direction is parallel, the mounting bracket slides through the wheel and sets up on the guide rail, be provided with on the mounting bracket with the fixed subassembly that the guide rail is connected.

Through adopting above-mentioned technical scheme, when the time variation of stirring, the distribution position of elastic plate also need change, and the quantity of the work of cutting knife also needs to adjust simultaneously. Through the setting of guide rail and fixed subassembly, the part that the staff will not use as required utilizes the pneumatic cylinder to lift, and adjusts the position and the interval of the mount that need work on the guide rail to satisfy different demands.

Preferably, the fixing component comprises a rubber belt arranged on the lower surface of the guide rail and a T-shaped rod which is installed on the lower surface of the mounting frame in a threaded manner and penetrates through the mounting frame to abut against the rubber belt.

Through adopting above-mentioned technical scheme, when the position of having adjusted the mounting bracket, rotate T shape pole, make T shape pole support tightly on the rubber tape, reach the purpose of fixed mounting bracket position.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the sheet-shaped rubber material is cut by the cutter and rolled by the guide wheel, so that manual operation is replaced, the labor intensity of workers is greatly reduced, the potential safety hazard is reduced, and the probability of scalding hands of the workers after long-term work is reduced;

2. the rotating assembly drives the turntable to rotate to change the cutting angle, and the adjusting screw is rotated to change the bending degree of the elastic plate, so that an arc line formed by the guide wheel and the cutting knife on the elastic plate can be parallel to the surface of the extrusion roller, and the adjustment of the rolling time and times of different rubber materials is realized;

3. due to the curling arrangement of the cutting knife, after the sheet rubber is cut off by the cutting knife, the curling end of the cutting knife can guide the sheet rubber to curl, so that the subsequent guide wheel can guide the sheet rubber smoothly, and the probability that the sheet rubber is clamped on the guide wheel is reduced;

4. through the setting of guide rail and fixed subassembly, the part that the staff will not use as required utilizes the pneumatic cylinder to lift, and adjusts the position and the interval of the mount that need work on the guide rail to satisfy different demands.

Drawings

FIG. 1 is a schematic representation (one) of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view (two) of the three-dimensional structure of the present invention;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

Reference numerals: 1. a frame; 11. a squeeze roll; 12. a guide rail; 2. a mounting frame; 21. a fixing assembly; 211. a rubber belt; 212. a T-shaped rod; 22. a turntable; 23. a rotating assembly; 231. rotating the motor; 232. a threaded gear; 233. a ring gear; 24. a hydraulic cylinder; 25. a connecting plate; 26. a first connecting rod; 27. a second connecting rod; 31. an elastic plate; 311. a fixed seat; 312. a slide bar; 313. a slider; 32. a fixing plate; 321. rotating the block; 33. adjusting the screw rod; 41. a base; 42. a guide wheel; 421. a raised point; 43. a telescopic universal joint; 44. a drive motor; 5. and (5) cutting the knife.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings.

An open mill, refer to fig. 1, including frame 1, rotate interval on frame 1 and be provided with two squeeze rolls 11 by hydraulic motor drive, and frame 1 is just located squeeze rolls 11 top and is fixed and be provided with guide rail 12, and the length direction of guide rail 12 is parallel with the axial of squeeze rolls 11.

Referring to fig. 2 and 3, a plurality of mounting frames 2 are slidably arranged on the guide rail 12 through wheels, and a fixing assembly 21 connected with the guide rail 12 is arranged on the mounting frame 2. The fixing assembly 21 comprises a rubber belt 211 and a T-shaped rod 212, the rubber belt 211 is fixedly arranged on the lower surface of the guide rail 12, the T-shaped rod 212 is installed on the lower surface of the mounting frame 2 in a threaded mode, and the T-shaped rod 212 penetrates through the mounting frame 2 to abut against the rubber belt 211 when being screwed.

The carousel 22 is installed in the rotation of mounting bracket 2 lower surface, and mounting bracket 2 lower surface is provided with the runner assembly 23 of being connected with carousel 22, runner assembly 23 is including rotating motor 231, screw gear 232 and ring gear 233, it sets up at carousel 22 lower surface to rotate motor 231 is fixed, screw gear 232 fixed mounting is on the output shaft that rotates motor 231, the fixed cover of ring gear 233 is established and is installed on the lateral wall of carousel 22, and ring gear 233 and screw gear 232 mesh, the rotation that can drive carousel 22 is rotated to the output shaft that rotates motor 231.

Referring to fig. 1 and 4, a hydraulic cylinder 24 is fixedly arranged on the lower surface of the turntable 22, a piston rod of the hydraulic cylinder 24 moves vertically and is fixedly provided with a connecting plate 25 at one end far away from the turntable 22, the connecting plate 25 is connected with a fixing frame, the fixing frame comprises an elastic plate 31, a first connecting rod 26 and a second connecting rod 27 are fixedly arranged on the lower surface of the connecting plate 25 respectively, and one end, far away from the connecting plate 25, of the first connecting rod 26 is hinged to one end, close to the length direction, of the upper surface.

The other end of the upper surface of the elastic plate 31 close to the length direction is fixedly provided with a fixed seat 311, a bendable sliding rod 312 is fixedly installed on the fixed seat 311, and the axis of the sliding rod 312 is on the bending plane of the elastic plate 31; the sliding block 313 is in clearance sliding fit on the sliding rod 312, and one end of the second connecting rod 27 far away from the connecting plate 25 is hinged on the sliding block 313. The upper surfaces of both ends of the elastic plate 31 in the length direction are fixedly provided with L-shaped fixing plates 32, and the short sides of the fixing plates 32 are closely fixed on the elastic plate 31.

The two fixing plates 32 are rotatably provided with rotating blocks 321, the two rotating blocks 321 are provided with adjusting screws 33, one end of each adjusting screw 33 is rotatably connected with one rotating block 321, and the other end of each adjusting screw 33 penetrates through the other rotating block 321. When the adjusting screw 33 is rotated, since the adjusting screw 33 is engaged with one of the threads, the distance between the two rotating blocks 321 changes, so that the distance between the two fixing plates 32 changes, and when the distance between the two fixing plates 32 changes, the degree of bending of the elastic plate 31 changes.

Referring to fig. 4, a plurality of bases 41 are fixedly arranged on the lower surface of the elastic plate 31 at intervals along the length direction, guide wheels 42 are rotatably mounted on the bases 41 through rotating shafts, adjacent rotating shafts are connected through a telescopic universal joint 43, and the telescopic universal joint 43 is a GA-HA type telescopic universal joint coupler produced by shanghai continuous transmission system limited.

When the elastic plate 31 is bent, the portion of the elastic plate 31 between the adjacent bases 41 is bent. A cutting knife 5 is fixedly arranged at one end of the length direction of the lower surface of the elastic plate 31, the cutting knife 5 is inclined, and the cutting knife 5 is gradually curled upwards from one end, which is close to the squeezing roller 11, to one end, which is close to the guide wheel 42. A transmission motor 44 is fixedly arranged on the base 41 far away from the cutting knife 5, and the transmission motor 44 is connected with a rotating shaft on the corresponding base 41.

The sheet-shaped rubber material on the extrusion roller 11 is firstly cut by the cutting knife 5, the cut sheet-shaped rubber material obliquely moves to the guide wheel 42, meanwhile, the curling trend is generated under the guide of the curling end of the cutting knife 5, after the sheet-shaped rubber material moves to the guide wheel 42, the transmission motor 44 drives the guide wheel 42 to rotate, and the sheet-shaped rubber material is enabled to curl by the rotation of the guide wheel 42, so that the purpose of turning the rubber material is achieved.

Since the curling radius of the sheet-like rubber compound is larger the farther from the cutter 5, the diameter of the guide wheel 42 is gradually increased from the end closer to the cutter 5 to the end farther from the cutter 5, as required. Meanwhile, the raised points 421 are arranged on the surface of the guide wheel 42 to increase the friction force between the guide wheel 42 and the sheet-shaped rubber material, reduce the relative slip between the guide wheel 42 and the sheet-shaped rubber material, and improve the curling effect.

The working principle of the embodiment is as follows:

when in use, the cutting knife 5 cuts the sheet-shaped sizing material attached to the surface of the extrusion roller 11 and rolls up under the action of the guide wheel 42.

When it is desired to change the turn-up time, i.e. to change the angle of the elastic plate 31, the T-bar 212 is first unscrewed and the position of the mounting frame 2 on the guide rail 12 is adjusted. If time needs to be increased, the distance between the adjacent mounting frames 2 is reduced, and the angle is increased; if the time is to be reduced, several of them are not used and then the spacing between the several mounting brackets 2 used is increased, in such a way that the elastic plate 31 is lifted by the hydraulic cylinder 24.

The used elastic plate 31 is lifted up through the piston rod of the hydraulic cylinder 24, then the motor 231 is rotated to drive the turntable 22 to rotate, then the hydraulic cylinder 24 drives the elastic plate 31 to descend, the adjusting screw 33 is rotated to change the bending degree of the elastic plate 31, so that the guide wheel 42 and the cutting knife 5 can be attached to the surface of the extrusion roller 11, and the adjustment is completed.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an open mill, includes frame (1), it is provided with two squeeze rolls (11) by hydraulic motor driven to rotate the interval in frame (1), its characterized in that: a plurality of mounting frames (2) distributed along the axis direction of the squeeze roll (11) are arranged on the rack (1) and above the squeeze roll (11), a hydraulic cylinder (24) is arranged on the lower surface of each mounting frame (2), a piston rod of each hydraulic cylinder (24) is provided with a fixing frame, the vertical projection of the axis of each fixing frame and the vertical projection of the axis of the squeeze roll (11) are inclined in a staggered mode, a cutting knife (5) and a plurality of guide wheels (42) are arranged on the lower surface of each fixing frame along the length direction, and the cutting knife (5) is inclined;

a turntable (22) is rotatably mounted on the lower surface of the mounting rack (2), a rotating assembly (23) connected with the turntable (22) is arranged on the mounting rack (2), and the hydraulic cylinder (24) is mounted on the lower surface of the turntable (22);

the fixing frame comprises an elastic plate (31), a piston rod of the hydraulic cylinder (24) is provided with a connecting plate (25), the lower surface of the connecting plate (25) is respectively provided with a first connecting rod (26) and a second connecting rod (27), the first connecting rod (26) and the second connecting rod (27) are hinged to the length direction of the upper surface of the elastic plate (31) at intervals, and the hinged point of the second connecting rod (27) and the elastic plate (31) can slide along the length direction of the elastic plate (31);

fixing plates (32) are arranged at two ends of the elastic plate (31) in the length direction, rotating blocks (321) are rotatably mounted on the two fixing plates (32), adjusting screws (33) are arranged on the two rotating blocks (321), one end of each adjusting screw (33) is rotatably connected with one of the rotating blocks (321), and the thread at the other end of each adjusting screw (33) penetrates through the other rotating block (321);

elastic plate (31) lower surface is provided with a plurality of bases (41) along length direction interval, leading wheel (42) rotate through the pivot and install on base (41), cutting knife (5) are installed the lower surface of elastic plate (31) just is located the one end to slice sizing material direction of motion.

2. An open mill according to claim 1, characterized in that: the cutting knife (5) is close to one end of the squeezing roller (11) and gradually curls upwards from one end far away from the guide wheel (42) to one end close to the guide wheel (42).

3. An open mill according to claim 1, characterized in that: the diameter of the guide wheel (42) is gradually increased from one end close to the cutting knife (5) to one end far away from the cutting knife (5).

4. An open mill according to claim 3, characterized in that: the surface of the guide wheel (42) is provided with a convex point (421).

5. An open mill according to claim 1, characterized in that: the rotating assembly (23) comprises a rotating motor (231) arranged on the lower surface of the mounting frame (2), a threaded gear (232) arranged on an output shaft of the rotating motor (231), and a gear ring (233) arranged on the rotary disc (22) and meshed with the threaded gear (232).

6. An open mill according to claim 1, characterized in that: keep away from cutting knife (5) be provided with driving motor (44) on base (41), driving motor (44) with correspond pivot on base (41) is connected, and is adjacent the pivot is connected through scalable universal joint (43).

7. An open mill according to claim 1, characterized in that: one end, which is arranged on the upper surface of the elastic plate (31) and is far away from the adjusting screw rod (33), of the rotary connection with the fixed plate (32) is provided with a bendable sliding rod (312), and the axis of the sliding rod (312) is arranged on the bending plane of the elastic plate (31); the sliding rod (312) is in clearance sliding fit with a sliding block (313), and the second connecting rod (27) is hinged to the sliding block (313).

8. An open mill according to claim 1, characterized in that: be provided with guide rail (12) on frame (1), the length direction of guide rail (12) with the axial direction parallel of squeeze roll (11), mounting bracket (2) slide through the wheel and set up on guide rail (12), be provided with on mounting bracket (2) with fixed subassembly (21) that guide rail (12) are connected.

9. An open mill according to claim 8, characterized in that: the fixing component (21) comprises a rubber belt (211) arranged on the lower surface of the guide rail (12), and a T-shaped rod (212) which is installed on the lower surface of the mounting rack (2) in a threaded mode and penetrates through the mounting rack (2) to abut against the rubber belt (211).