阅读说明：本技术 一种耐老化超净无屑橡皮擦加工方法 (Processing method of aging-resistant ultra-clean chipless eraser ) 是由 徐亮志 于 2019-09-12 设计创作，主要内容包括：本发明公开了一种耐老化超净无屑橡皮擦加工方法,包括以下步骤：橡皮擦加工、切割、打印、装盒；所述橡皮擦加工是通过橡皮擦加工流水线把橡皮擦的原料制作成大块橡皮擦；所述再通过切割装置对大块橡皮擦进行切割成需要的尺寸大小,所述切割装置包括工作架、定位组件、用于整块橡皮擦纵向切割的第一切割组件、倒角组件、用于橡皮擦横向切割的第二切割组件；对切割后的橡皮擦表面进行打印,最后装盒处理。本发明一种耐老化超净无屑橡皮擦,切割过程中定位准确,切割质量高,减少橡皮擦切割后滚加工工序,降低加工成本。(The invention discloses a method for processing an aging-resistant ultra-clean chipless eraser, which comprises the following steps of: processing an eraser, cutting, printing and boxing; the eraser processing is to manufacture the raw materials of the eraser into a large-block eraser through an eraser processing assembly line; the cutting device comprises a working frame, a positioning assembly, a first cutting assembly for longitudinally cutting the whole eraser, a chamfering assembly and a second cutting assembly for transversely cutting the eraser; printing the surface of the cut eraser, and finally boxing. The aging-resistant ultra-clean chipless eraser has the advantages of accurate positioning in the cutting process, high cutting quality, reduction of the rolling processing procedure after the eraser is cut and reduction of the processing cost.)

1. A processing method of an aging-resistant ultra-clean chipless eraser is characterized by comprising the following steps: the method comprises the following steps:

a. Processing the eraser: the raw materials of the eraser are made into a large-block eraser through an eraser processing assembly line;

b. Cutting: cutting a large block of eraser into small blocks by a cutting device according to the requirements of the eraser;

c. Printing: printing the cut small eraser blocks by using printing equipment;

d. boxing: finally, packaging and boxing the printed eraser;

wherein the cutting device in the step b comprises a working frame (1), a positioning component (2), a first cutting component (3) for longitudinally cutting the whole eraser, a chamfering component (4) and a second cutting component (5) for transversely cutting the eraser, the positioning component (2) comprises a first positioning roller (21) rotatably arranged on the working frame, a second positioning roller (22) arranged on the right side of the first positioning roller in parallel with the first positioning roller, a third positioning roller (23) arranged under the first positioning roller, a fourth positioning roller (24) arranged under the second positioning roller in parallel with the third positioning roller, and a first motor (25) used for driving the first positioning roller to rotate, the rotating directions of the first positioning roller and the third positioning roller are consistent, the rotating directions of the second positioning roller and the fourth positioning roller are consistent, and the rotating directions of the first positioning roller and the second positioning roller are opposite; the whole block of rubber is located between the first positioning roller and the second positioning roller, the first motor drives the first positioning roller to rotate to drive the whole block of rubber to move downwards, and the rubber drives the second positioning roller, the third positioning roller and the fourth positioning roller to rotate.

2. the method for processing the aging-resistant ultra-clean chipless eraser according to claim 1, characterized in that: the eraser in the step a comprises the following raw materials: 4-8 parts of liquid acrylic polymer, 30-50 parts of styrene butadiene rubber, 8-12 parts of natural rubber, 5-10 parts of silicon dioxide, 12-16 parts of dioctyl adipate, 10-12 parts of surfactant, 4-6 parts of softener, 20-30 parts of epoxidized soybean oil, 2-4 parts of spice and 8-1 part of plasticizer.

3. The method for processing the aging-resistant ultra-clean chipless eraser according to claim 2, characterized in that: the surface active agent is fatty glyceride, and the plasticizer is acetic acid tri-n-butyl citrate.

4. the method for processing the aging-resistant ultra-clean chipless eraser according to claim 1, characterized in that: the first cutting assembly (3) comprises a driving roller (31) which is positioned below the third positioning roller and is rotatably arranged on the working frame, a plurality of blades (32) which are arranged on the driving roller at equal intervals, a plurality of first press roller groups (33) which are positioned between two adjacent blades, a driven roller (34) which is arranged on the right side of the driving roller in parallel with the driving roller, a driving gear (35) which is arranged at one end of the driving roller, a second motor (36) which is arranged at the other end of the driving roller and is used for driving the driving roller to rotate, a first driven gear (37) which is fixedly arranged on the driven roller in a meshed manner with the driving gear, and a plurality of cutter yielding grooves (38; the second motor drives the driving roller to rotate, and the plurality of first press roller groups and the plurality of blades rotate to cut the eraser, so that the driving gear on the driving roller is driven to drive the first driven gear to rotate.

5. the method for processing the aging-resistant ultra-clean chipless eraser according to claim 4, characterized in that: the first compression roller set (33) comprises a rotating ring (331) rotatably arranged on the driving roller, a plurality of first telescopic rods (332) annularly distributed outside the rotating ring, and a first set of rollers (333) simultaneously arranged on the plurality of first telescopic rods, wherein the outer diameter of the first set of rollers is larger than that of the blades.

6. The method for processing the aging-resistant ultra-clean chipless eraser according to claim 1, characterized in that: the chamfering assembly (4) comprises a first chamfering roller (41) which is positioned below the driving roller and is rotatably arranged on the working frame, a second chamfering roller (42) which is parallel to the first chamfering roller and is arranged on the right side of the first chamfering roller, second driven gears (43) which are arranged at two ends of the first chamfering roller, third driven gears (44) which are arranged at two ends of the second chamfering roller, a plurality of chamfering knives (45) which correspond to the blades and are respectively arranged on the first chamfering roller and the second chamfering roller, and a plurality of second press roller groups (46) which are positioned between two adjacent chamfering knives; the first driven gear is meshed with the third driven gear, and the second driven gear is meshed with the third driven gear; the first driven gear rotates to drive the third driven gear to rotate, so that the second driven gear is driven to rotate, the first chamfering roller and the second chamfering roller rotate relatively, chamfering knives on the first chamfering roller and the second chamfering roller rotate relatively respectively, and chamfering of the longitudinally cut eraser is completed.

7. The method for processing the aging-resistant ultra-clean chipless eraser according to claim 1, characterized in that: the second cutting assembly (5) comprises a moving frame (51), a rotating saw tooth (52) arranged on the moving frame, a clamping part (53) used for clamping the eraser, and driving parts (54) positioned at two sides of the clamping part and used for driving the clamping part to be loose and tight; the driving part drives the clamping part to clamp and fix the eraser with the rounded corner, the rotating saw teeth are started, and meanwhile, the moving frame drives the rotating saw teeth to reciprocate to finish transverse cutting of the eraser.

Technical Field

the invention relates to the technical field of eraser processing, in particular to a method for processing an aging-resistant ultra-clean chipless eraser.

Background

A typical eraser contains calcium carbonate as a filler. The addition of the calcium carbonate causes abrasion of the eraser by friction with the paper surface during use, and the resulting eraser dust peels off and collects the lead powder of the handwriting produced by a pencil written on the paper surface as if it were involved, and as a result, the handwriting can be eliminated to achieve erasure.

but many erasers can also produce a lot of eraser bits through friction, so the eraser bits are difficult to eliminate, and because the friction is too big, all have wearing and tearing of different degrees to facial tissue and typeface, some eraser bits are less, but the effect of eliminating words is unsatisfactory, still has to deposit the poor problem of effect of eliminating words after a long time.

the eraser needs to be cut in the eraser processing process, round corners are rounded after cutting, the processing cost is increased, and the quality after cutting is not ideal.

Disclosure of Invention

The invention provides a processing method of an aging-resistant ultra-clean chipless eraser, aiming at overcoming the defects of the prior art.

in order to achieve the purpose, the invention adopts the following technical scheme: a processing method of an aging-resistant ultra-clean chipless eraser comprises the following steps:

a. Processing the eraser: the raw materials of the eraser are made into a large-block eraser through an eraser processing assembly line;

b. Cutting: cutting a large block of eraser into small blocks by a cutting device according to the requirements of the eraser;

c. Printing: printing the cut small eraser blocks by using printing equipment;

d. Boxing: finally, packaging and boxing the printed eraser;

The cutting device in the step b comprises a working frame, a positioning assembly, a first cutting assembly for longitudinally cutting the whole eraser, a chamfering assembly and a second cutting assembly for transversely cutting the eraser, wherein the positioning assembly comprises a first positioning roller rotatably arranged on the working frame, a second positioning roller arranged on the right side of the first positioning roller in parallel with the first positioning roller, a third positioning roller arranged right below the first positioning roller, a fourth positioning roller arranged right below the second positioning roller in parallel with the third positioning roller, and a first motor for driving the first positioning roller to rotate; the whole block of rubber is located between the first positioning roller and the second positioning roller, the first motor drives the first positioning roller to rotate to drive the whole block of rubber to move downwards, and the rubber drives the second positioning roller, the third positioning roller and the fourth positioning roller to rotate. The anti-aging ultra-clean chipless eraser is prepared by the raw materials according to the proportion; the position of the eraser is ensured to be fixed in the cutting and feeding process through the arranged first positioning roller, the second positioning roller, the third positioning roller and the fourth positioning roller, so that the size precision is high after cutting; through first cutting assembly, make monoblock wall skin eraser accomplish vertical cutting, through the chamfer subassembly that sets up, carry out the radius angle to the eraser corner after vertical cutting, rethread second cutting assembly cuts into the fritter that requires to the strip eraser of radius angle, and the location is accurate in the cutting process, and cutting quality is high, reduces the rolling process behind the eraser cutting, reduces the processing cost.

the eraser in the step a comprises the following raw materials: 4-8 parts of liquid acrylic polymer, 30-50 parts of styrene butadiene rubber, 8-12 parts of natural rubber, 5-10 parts of silicon dioxide, 12-16 parts of dioctyl adipate, 10-12 parts of surfactant, 4-6 parts of softener, 20-30 parts of epoxidized soybean oil, 2-4 parts of spice and 8-1 part of plasticizer. By the raw materials, the eraser has the advantages that the use effect is not influenced after the eraser is stored for a long time, the eraser has good wear resistance and aging resistance, no scraps are generated in the erasing process, and the erasing effect is good.

The surface active agent is fatty glyceride, and the plasticizer is acetic acid tri-n-butyl citrate. The eraser has good stability, suppresses the head-base separating force in the ordered gathering process, and has good erasing effect.

The first cutting assembly comprises a driving roller, a plurality of blades, a plurality of first compression roller sets, a driven roller, a driving gear, a second motor, a first driven gear and a plurality of cutter relief grooves, the driving roller is positioned below the third positioning roller and is rotatably arranged on the working frame, the plurality of blades are arranged on the driving roller at equal intervals, the plurality of first compression roller sets are positioned between every two adjacent blades, the driven roller is arranged on the right side of the driving roller in parallel with the driving roller, the driving gear is arranged at one end of the driving roller, the second motor is arranged at the other end of the driving roller and is used for driving the driving roller to; the second motor drives the driving roller to rotate, and the plurality of first press roller groups and the plurality of blades rotate to cut the eraser, so that the driving gear on the driving roller is driven to drive the first driven gear to rotate. The second motor drives the driving roller to rotate, so that the plurality of blades on the driving roller longitudinally cut the passing eraser, the eraser is prevented from moving towards the opposite direction of the blades in the cutting process through the arranged driven roller, the eraser on one surface of the cutting blade is fixed through the plurality of first press roller groups, the eraser is prevented from moving towards the direction of the blades in the cutting process, and the eraser can vertically move downwards in the cutting process.

The first compression roller set comprises a rotating ring arranged on the driving roller, a plurality of first telescopic rods distributed on the outer side of the rotating ring in an annular mode, and a first sleeve roller arranged on the plurality of first telescopic rods, wherein the outer diameter of the first sleeve roller is larger than that of the blade. The first compression roller set can integrally rotate through the rotating ring, the eraser is prevented from being damaged in the fixing process, the first set of rollers are fixed to the eraser through the plurality of telescopic rods, the eraser cannot be deformed, the outer diameter of the first set of rollers is larger than that of the blades, the pressure of the first set of rollers to the eraser is increased, and the eraser is better fixed in the cutting process.

The chamfering assembly comprises a first chamfering roller, a second driven gear, a third driven gear, a plurality of chamfering knives and a plurality of second pressing roller groups, wherein the first chamfering roller is positioned below the driving roller and rotatably arranged on the working frame, the second chamfering roller is parallel to the first chamfering roller and arranged on the right side of the first chamfering roller, the second driven gear is arranged at two ends of the first chamfering roller, the third driven gear is arranged at two ends of the second chamfering roller, the chamfering knives are respectively arranged on the first chamfering roller and the second chamfering roller and correspond to the blades, and the second pressing roller groups are positioned between two adjacent chamfering knives; the first driven gear is meshed with the third driven gear, and the second driven gear is meshed with the third driven gear; the first driven gear rotates to drive the third driven gear to rotate, so that the second driven gear is driven to rotate, the first chamfering roller and the second chamfering roller rotate relatively, chamfering knives on the first chamfering roller and the second chamfering roller rotate relatively respectively, and chamfering of the longitudinally cut eraser is completed. The eraser is conveyed through the first chamfering roller and the second chamfering roller which rotate relatively, the structure of the second pressing roller set is the same as that of the first pressing roller set, and the chamfering knife performs chamfering on the longitudinally cut eraser in the conveying process.

The second cutting assembly comprises a moving frame, a rotating sawtooth arranged on the moving frame, a clamping part used for clamping the eraser, and driving parts which are positioned at two sides of the clamping part and used for driving the clamping part to be loosened and loosened; the driving part drives the clamping part to clamp and fix the eraser with the rounded corner, the rotating saw teeth are started, and meanwhile, the moving frame drives the rotating saw teeth to reciprocate to finish transverse cutting of the eraser. Make the clamping part can the centre gripping and relax the fixed to the eraser through the drive division, locate through rotatory sawtooth and remove on the frame, remove frame reciprocating motion, accomplish the rubber transverse cutting, reduce the vibrations of rotatory sawtooth through removing the frame, make and remove the in-process along a straight line, improve the transverse cutting quality, accomplish through the clamping part and fix the eraser, avoid the transverse cutting in-process eraser to remove, the transverse cutting quality is better.

The invention has the following advantages: the aging-resistant ultra-clean chipless eraser has the advantages of accurate positioning in the cutting process, high cutting quality, reduction of the rolling processing procedure after the eraser is cut and reduction of the processing cost.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the positioning assembly.

Fig. 3 is a schematic front view of the present invention.

Fig. 4 is a front view of the second cutting assembly.

fig. 5 is a schematic structural diagram of a second cutting assembly.

Fig. 6 is a schematic side view of the present invention.

Fig. 7 is a schematic cross-sectional structure of the present invention.

fig. 8 is an enlarged view of fig. 7 at a.

fig. 9 is an enlarged view of fig. 7 at B.

Fig. 10 is a schematic structural view of the driving portion.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A processing method of an aging-resistant ultra-clean chipless eraser is characterized by comprising the following steps: the method comprises the following steps:

a. Processing the eraser: the raw materials of the eraser are made into a large-block eraser through an eraser processing assembly line;

b. Cutting: cutting a large block of eraser into small blocks by a cutting device according to the requirements of the eraser;

c. Printing: printing the cut small eraser blocks by using printing equipment;

d. Boxing: finally, packaging and boxing the printed eraser;

As shown in fig. 1-10, the cutting device in step b includes a work frame 1, a positioning assembly 2, a first cutting assembly 3 for longitudinally cutting the whole eraser, a chamfering assembly 4, and a second cutting assembly 5 for transversely cutting the eraser, where the positioning assembly 2 includes a first positioning roller 21 rotatably disposed on the work frame, a second positioning roller 22 disposed on the right side of the first positioning roller in parallel with the first positioning roller, a third positioning roller 23 disposed directly below the first positioning roller, a fourth positioning roller 24 disposed directly below the second positioning roller in parallel with the third positioning roller, and a first motor 25 for driving the first positioning roller to rotate, the first positioning roller and the third positioning roller rotate in the same direction, the second positioning roller and the fourth positioning roller rotate in the same direction, and the first positioning roller and the second positioning roller rotate in opposite directions; the whole block of rubber is located between the first positioning roller and the second positioning roller, the first motor drives the first positioning roller to rotate to drive the whole block of rubber to move downwards, and the rubber drives the second positioning roller, the third positioning roller and the fourth positioning roller to rotate.

The first cutting assembly 3 comprises a driving roller 31, a plurality of blades 32, a plurality of first press roller groups 33, a driven roller 34, a driving gear 35, a second motor 36, a first driven gear 37 and a plurality of cutter relief grooves 38, wherein the driving roller 31 is positioned below the third positioning roller and rotatably arranged on the working frame, the blades 32 are arranged on the driving roller at equal intervals, the first press roller groups 33 are positioned between two adjacent blades, the driven roller 34 is arranged on the right side of the driving roller in parallel with the driving roller, the driving gear 35 is arranged at one end of the driving roller, the second motor 36 is arranged at the other end of the driving roller and is used for driving the driving roller to; the second motor drives the driving roller to rotate, and the plurality of first press roller groups and the plurality of blades rotate to cut the eraser, so that the driving gear on the driving roller is driven to drive the first driven gear to rotate.

The first press roller group 33 includes a rotating ring 331 rotatably provided on the drive roller, a plurality of first telescopic bars 332 annularly distributed outside the rotating ring, and a first set of rollers 333 provided on the plurality of first telescopic bars at the same time, and the outer diameter of the first set of rollers is larger than that of the blades.

the chamfering assembly 4 comprises a first chamfering roller 41, a second chamfering roller 42, a second driven gear 43, a third driven gear 44, a plurality of chamfering knives 45 and a plurality of second pressing roller groups 46, wherein the first chamfering roller 41 is positioned below the driving roller and rotatably arranged on the working frame, the second chamfering roller 42 is arranged on the right side of the first chamfering roller in parallel to the first chamfering roller, the second driven gear 43 is arranged at two ends of the first chamfering roller, the third driven gear 44 is arranged at two ends of the second chamfering roller, the chamfering knives correspond to the blades and are respectively arranged on the first chamfering roller and the second chamfering roller, and the second pressing roller groups 46 are positioned between two adjacent chamfering knives; the first driven gear is meshed with the third driven gear, and the second driven gear is meshed with the third driven gear; the first driven gear rotates to drive the third driven gear to rotate, so that the second driven gear is driven to rotate, the first chamfering roller and the second chamfering roller rotate relatively, chamfering knives on the first chamfering roller and the second chamfering roller rotate relatively respectively, and chamfering of the longitudinally cut eraser is completed.

The second cutting assembly 5 comprises a moving frame 51, a rotating sawtooth 52 arranged on the moving frame, a clamping part 53 used for clamping the eraser, and driving parts 54 positioned at two sides of the clamping part and used for driving the clamping part to be loosened and tightened; the driving part drives the clamping part to clamp and fix the eraser with the rounded corner, the rotating saw teeth are started, and meanwhile, the moving frame drives the rotating saw teeth to reciprocate to finish transverse cutting of the eraser.

the clamping part 53 comprises two groups of symmetrical pushing pieces 531 positioned below the chamfering assembly, a first fixing plate 532 and a second fixing plate 533 which are respectively arranged on the two groups of pushing pieces, first rollers 534 arranged at two ends of the first fixing plate, second rollers 535 arranged at two ends of the second fixing plate, two inserting blocks 536 positioned between the first rollers and the second rollers, two moving plates 537 used for moving the two inserting blocks up and down, a connecting plate 538 simultaneously penetrating through the two moving plates, and a plurality of guide columns 539 arranged on the connecting plate, the guide columns are telescopic, and two guide columns are arranged below each rubber; the first roller and the second roller have the same structure, and a V-shaped groove is formed in the first roller; the inserting block is arranged in a conical shape; the movable plate reciprocates and drives the inserted block and reciprocates, makes first fixed plate and second fixed plate relative movement, accomplishes the fixed of eraser and relaxs, and first gyro wheel and second gyro wheel avoid the in-process to cause the damage to both sides, produces thrust to first fixed plate and second fixed plate all the time through pushing away the piece, make first fixed plate and second fixed plate can reset, are equipped with a plurality of guide posts on the rethread connecting plate, lead to the eraser, increase fixed degree of accuracy.

The driving part 54 comprises a first gear 541 rotatably arranged on the working frame, a third motor 542 for driving the first gear to rotate, a second gear 543 and a second gear 544 which are arranged on two sides of the first gear in parallel, and a rack 545 which is arranged between the second gear and the third gear and fixedly arranged at one end of the connecting plate, wherein the second gear and the third gear have the same structure and are meshed with the rack in the rotating process of a part of gear segments; the third motor drives the first gear to rotate, so as to drive the second gear and the third gear to rotate in the same direction, so that the rack positioned between the second gear and the third gear can move up and down, so that the connecting plate moves up and down, the moving plate moves up and down, and the first fixing plate and the second fixing plate always move relatively.