CN219968517U - Epoxy resin particle mill - Google Patents

Abstract

The utility model relates to the technical field of grinding of chemical material particles, in particular to an epoxy resin particle mill, wherein a grinding particle size fine adjustment mechanism is symmetrically arranged at the front side and the rear side of the top of a ground connecting base respectively, the two grinding particle size fine adjustment mechanisms move synchronously and are matched with each other to realize the adjustment of grinding particle size fineness, a grinding bin is arranged between the two grinding particle size fine adjustment mechanisms, the bottom of the grinding bin is fixedly supported on the ground connecting base through a plurality of upright posts, a discharging bent pipe with a valve is arranged at the bottom of the grinding bin, a pair of roller grinding mechanisms are arranged in a blanking cavity of the grinding bin, and the front end and the rear end of each roller grinding mechanism are respectively connected with the grinding particle size fine adjustment mechanism at the corresponding position. This crocus is used for in the epoxy resin granule abrasive material workshop, can realize the quick crocus to epoxy resin granule, can adjust crocus clearance in advance according to the precision requirement of current crocus when the crocus to reach the purpose of matching different crocus fineness.

Description

Epoxy resin particle mill

Technical Field

The utility model relates to the technical field of grinding of chemical material particles, in particular to an epoxy resin particle grinding device.

Background

Epoxy resin is used as a basic chemical raw material, and many coatings or paints in the market are made of epoxy resin, so that the epoxy resin has excellent chemical property and can be made into various types with different special purposes, including common epoxy resin electronic and electric materials, and the epoxy resin electronic and electric materials are reliable in quality and not easy to corrode, so that the epoxy resin electronic and electric materials are widely applied in various industries.

The granular epoxy resin needs to be milled in advance before being added as an additive to various chemicals. At present, the grinding treatment of the chemical particles is generally carried out by adopting a grinding machine.

For example, patent application number CN202221761442.4 discloses a grinding and pulverizing device for polyester resin, and its main structure includes the rubbing crusher, the intercommunication has the feed cylinder on the rubbing crusher, one side that the rubbing crusher was kept away from to the feed cylinder is equipped with screening plant, screening plant includes the installing frame, one side sliding connection that the rubbing crusher was kept away from to installing frame and feed cylinder, the internal surface sliding connection of installing frame has the screening board, the arc surface fixedly connected with support frame of installing frame, the arc surface sliding connection of support frame has the fixed plate, the arc surface fixed connection of fixed plate and feed cylinder.

It can be seen from the disclosure of the above patent, the grinding and pulverizing device in the prior art mainly achieves the effect of screening the raw materials of the polyester resin before pulverizing, so as to avoid the occurrence of different sizes of the polyester resin particles after the raw materials of the polyester resin with different specifications are put into the pulverizer for grinding by the pulverizer, and mainly improves and optimizes the structure of the screen, so that the actual grinding treatment effect of the product is not greatly different from that of the traditional treatment mode, and the overall grinding effect is poor.

Therefore, the utility model provides a novel pulverizer capable of effectively ensuring the pulverizing effect of epoxy resin particles, so as to better solve the problems in the prior art.

Disclosure of Invention

The utility model aims to solve one of the technical problems, and adopts the following technical scheme: the utility model provides an epoxy particle milling machine, includes fixed mounting is at subaerial even ground base both sides respectively symmetry install a crocus particle diameter fine setting mechanism around the top of even ground base, two crocus particle diameter fine setting mechanism is synchronous motion and mutually support and realize the regulation to crocus particle diameter fineness, two be provided with a crocus storehouse between the crocus particle diameter fine setting mechanism, the bottom of crocus storehouse is supported through a plurality of stand and is fixed on even ground base the bottom of crocus storehouse is provided with the ejection of compact return bend that has the valve crocus storehouse blanking intracavity portion has a pair of roller to grind powder mechanism, both ends are located respectively around the roller to grind powder mechanism crocus particle diameter fine setting mechanism is connected.

In any of the above schemes, preferably, the fine adjustment mechanism for the grain size of the powder comprises a horizontally arranged rectangular frame, bottoms of two ends of the rectangular frame are respectively supported on the ground connecting base through vertical seats, a precise screw is installed in an inner frame of the rectangular frame, two ends of the precise screw respectively pass through holes at left and right end surfaces of the rectangular frame through stepped shafts at the ends of the precise screw, a screw driving piece is arranged on the right side of the rectangular frame, an output end of the screw driving piece is connected with the stepped shafts at the right end of the precise screw through a shaft coupling, and a slide seat positioning groove is formed on the side wall of the rectangular frame facing to one side of the powder bin along the left and right directions;

the external threads on the outer side walls of the two sides of the center of the precise screw rod are opposite in rotation direction, a movable slide seat is respectively rotatably installed on the outer side walls of the two sides of the precise screw rod, the two movable slide seats move relatively or oppositely, and the two slide seat positioning grooves at the corresponding positions where the end parts of the two movable slide seats respectively penetrate out are connected with the corresponding end parts of the paired roller grinding mechanism.

In any of the above schemes, it is preferable that a wall penetrating bar-shaped groove opposite to the slide seat positioning groove at the corresponding position is symmetrically arranged on the side walls of the front side and the rear side of the grinding bin.

In any of the above schemes, preferably, the twin roller grinding mechanism includes two grinding rollers disposed in the blanking cavity of the grinding bin relatively, rear ends of respective central shafts of the two grinding rollers respectively penetrate through the bin wall through strip grooves at corresponding positions and are movably inserted into the mounting blind holes of the moving slide seat, front ends of respective central shafts of the two grinding rollers respectively penetrate through the bin wall through strip grooves at corresponding positions and are fixedly connected with the grinding motor fixedly connected to the moving slide seat, the two grinding motors respectively drive the corresponding grinding rollers to operate, and the two grinding rollers synchronously rotate relatively during operation and form a grinding blanking channel therebetween.

In any of the above schemes, it is preferable that a fixed shaft two grinding rollers are installed in the blanking cavity below the two grinding rollers, and two ends of a central shaft fixedly connected to the fixed shaft two grinding rollers respectively and movably pass through holes on corresponding side walls of the grinding bin.

In any of the above schemes, it is preferable that a positioning disc is fixedly connected to the outer side wall of the rear end of the fixed shaft second grinding roller, two sides of the positioning disc are detachably fastened in threaded holes on the side wall of the grinding bin at corresponding positions through locking screws, and the fixed shaft second grinding roller is in a fixed state when the two locking screws are locked.

In any of the above schemes, preferably, a vibrating motor is fixedly installed at the bottom of the grinding bin at two sides of the discharging bent pipe respectively.

In any of the above schemes, preferably, the screw driving member includes a motor stand fixedly mounted at the top of the continuous base on the right side, an adjusting motor is fixedly mounted on the motor stand, and two ends of a motor shaft of the adjusting motor are respectively fixedly connected with stepped shafts at the ends of the precision screw at corresponding positions.

Compared with the prior art, the utility model has the following beneficial effects:

1. this crocus is used for in the epoxy resin granule abrasive material workshop, can realize the quick crocus to epoxy resin granule, can adjust crocus clearance in advance according to the precision requirement of current crocus when the crocus simultaneously to reach the purpose of matching different crocus fineness.

2. In the process of grinding, primary grinding is realized through counter-rotating of the counter-roller grinding mechanism, and the fixed shaft secondary grinding roller below the counter-roller grinding mechanism is matched to realize secondary grinding of the powder after primary grinding, so that the grinding effect is further improved.

3. Powder after the crocus can realize the quick shake material discharge of powder that falls into blanking intracavity portion after the crocus under the shake material effect of two shake material motors.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic top view of embodiment 1 of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 in A-A partially cut-away.

Fig. 3 is a schematic top view of embodiment 2 of the present utility model.

Fig. 4 is a schematic view of the structure of fig. 3 in a partial cross-section B-B.

In the figure, 1, a continuous foundation; 2. grinding into powder storehouse; 3. a column; 4. a discharge elbow; 5. a blanking cavity; 6. a rectangular frame; 7. a vertical seat; 8. a precision screw; 801. a stepped shaft; 9. a slide seat positioning groove; 10. moving the slide; 11. the bin wall is penetrated by a strip-shaped groove; 12. an abrasive roller; 13. a milling motor; 14. a grinding and blanking channel; 15. a second grinding roller with a fixed shaft; 16. a positioning plate; 17. a locking screw; 18. a vibrating motor; 19. adjusting a motor; 20. and a motor stand.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model. The specific structure of the utility model is shown in figures 1-4.

Example 1: the utility model provides an epoxy granule milling machine, includes fixed mounting is at subaerial even ground base 1 both sides are symmetry respectively around the top of even ground base 1 install a crocus particle diameter fine setting mechanism, two crocus particle diameter fine setting mechanism is synchronous motion and mutually support and realize the regulation to crocus particle diameter fineness, two be provided with a crocus storehouse 2 between crocus particle diameter fine setting mechanism, the bottom of crocus storehouse 2 is supported through a plurality of stand 3 and is fixed even on ground base 1 the bottom of crocus storehouse 2 is provided with the ejection of compact return bend 4 that has the valve a pair of roller mill powder mechanism is installed to the blanking chamber 5 internally mounted of crocus storehouse 2, both ends are respectively with the crocus particle diameter fine setting mechanism of corresponding position department is connected around the roller mill powder mechanism. Can adjust two synchronous motion's crocus particle diameter fine setting mechanism in advance as required before the epoxy particle mill work, can drive two abrasive rolls 12 on the inside pair roller crocus mechanism of crocus storehouse 2 through two crocus particle diameter fine setting mechanism's regulation and realize being close to each other or keeping away from each other, can reduce crocus blanking passageway 14's clearance when being close to each other, improve crocus precision, can increase crocus blanking passageway 14's width when keeping away from each other, increase crocus particle diameter, reduce crocus precision, the powder after the crocus can pass through ejection of compact return bend 4 and discharge.

In any of the above schemes, preferably, the fine adjustment mechanism for the grain size of the grinding powder comprises a rectangular frame 6 horizontally arranged, bottoms of two ends of the rectangular frame 6 are respectively supported on the ground connecting base 1 through vertical seats 7, a precise screw rod 8 is installed in an inner frame of the rectangular frame 6, two ends of the precise screw rod 8 respectively pass through holes at left and right end surfaces of the rectangular frame 6 through stepped shafts 801 at the end parts of the precise screw rod 8, a screw rod driving member is arranged on the right side of the rectangular frame 6, an output end of the screw rod driving member is connected with stepped shafts 801 at the right end of the precise screw rod 8 through a coupling, and a slide seat positioning groove 9 is formed on a side wall of the rectangular frame 6 facing one side of the grinding powder bin 2 along the left and right directions; the external threads on the outer side walls of the two sides of the center of the precise screw 8 are opposite in rotation direction, a movable slide seat 10 is respectively installed on the outer side walls of the two sides of the precise screw 8 in a screwed mode, the two movable slide seats 10 move relatively or oppositely, and the slide seat positioning grooves 9 at corresponding positions where the end parts of the two movable slide seats 10 penetrate out respectively are connected with the corresponding end parts of the paired roller grinding mechanism. The two grinding powder grain diameter fine adjustment mechanism mainly drives the two grinding powder grain diameter fine adjustment mechanism to operate by means of a screw rod driving piece at the right end of the two grinding powder grain diameter fine adjustment mechanism, when the two grinding powder grain diameter fine adjustment mechanism operates, the corresponding movable sliding seats 10 are driven to be close to or far away from each other, and finally the purpose of driving the grinding material rollers 12 at the corresponding end parts on the paired roller grinding powder mechanism to move is achieved, so that the adjustment of the interval distance between the two grinding material rollers 12 is achieved.

In any of the above schemes, it is preferable that a through bar-shaped groove 11 is symmetrically provided on the side walls of the front and rear sides of the grinding bin 2, respectively, opposite to the slide positioning groove 9 at the corresponding position. The bin wall through bar-shaped groove 11 and the slide seat positioning groove 9 are used for realizing guiding adjustment when the abrasive roller 12 is matched and the slide seat 10 is moved close to or far away from each other.

In any of the above schemes, preferably, the twin roller grinding mechanism includes two opposite grinding rollers 12 disposed in the blanking cavity 5 of the grinding bin 2, rear ends of respective central shafts of the two grinding rollers 12 respectively penetrate through the bin wall penetrating strip groove 11 at the corresponding position and are movably inserted into the mounting blind hole of the moving slide 10, front ends of respective central shafts of the two grinding rollers 12 respectively penetrate through the bin wall penetrating strip groove 11 at the corresponding position and are fixedly connected with the grinding motor 13 fixedly connected to the moving slide 10, the two grinding motors 13 respectively drive the corresponding grinding rollers to operate, and the two grinding rollers synchronously rotate relatively and form the grinding blanking channel 14 therebetween during operation. The two grinding rolls 12 of the opposite roll grinding mechanism realize the movement adjustment along the left and right directions by matching with the movable sliding seat 10 at the corresponding end parts before working mutually, and simultaneously can start the corresponding grinding motor 13 to drive the corresponding grinding rolls 12 to rotate after being adjusted in place, the two grinding rolls 12 rotate oppositely, so that the falling epoxy resin particles can be rapidly ground, and the ground powder falls through the grinding blanking channel 14 and is finally guided out by the discharging bent pipe 4.

In any of the above schemes, it is preferable that a vibrating motor 18 is fixedly installed at the bottom of the grinding bin 2 at both sides of the discharging bent pipe 4, respectively. The vibration motor 18 can ensure the smoothness during discharging when being started, and realizes quick powder discharging through vibration.

In any of the above solutions, preferably, the screw driving member includes a motor stand 20 fixedly mounted on the top of the grounded base 1 on the right side, an adjusting motor 19 is fixedly mounted on the motor stand 20, and two ends of a motor shaft of the adjusting motor 19 are respectively and fixedly connected with a stepped shaft 801 at an end of the precision screw 8 at a corresponding position. When the adjusting motor 19 works, the end part of the corresponding precise screw rod 8 is driven to operate, so that the aim of driving the corresponding movable sliding seats 10 to approach or separate from each other is fulfilled.

Example 2: the utility model provides an epoxy granule milling machine, includes fixed mounting is at subaerial even ground base 1 both sides are symmetry respectively around the top of even ground base 1 install a crocus particle diameter fine setting mechanism, two crocus particle diameter fine setting mechanism is synchronous motion and mutually support and realize the regulation to crocus particle diameter fineness, two be provided with a crocus storehouse 2 between crocus particle diameter fine setting mechanism, the bottom of crocus storehouse 2 is supported through a plurality of stand 3 and is fixed even on ground base 1 the bottom of crocus storehouse 2 is provided with the ejection of compact return bend 4 that has the valve a pair of roller mill powder mechanism is installed to the blanking chamber 5 internally mounted of crocus storehouse 2, both ends are respectively with the crocus particle diameter fine setting mechanism of corresponding position department is connected around the roller mill powder mechanism.

In any of the above schemes, preferably, the fine adjustment mechanism for the grain size of the grinding powder comprises a rectangular frame 6 horizontally arranged, bottoms of two ends of the rectangular frame 6 are respectively supported on the ground connecting base 1 through vertical seats 7, a precise screw rod 8 is installed in an inner frame of the rectangular frame 6, two ends of the precise screw rod 8 respectively pass through holes at left and right end surfaces of the rectangular frame 6 through stepped shafts 801 at the end parts of the precise screw rod 8, a screw rod driving member is arranged on the right side of the rectangular frame 6, an output end of the screw rod driving member is connected with stepped shafts 801 at the right end of the precise screw rod 8 through a coupling, and a slide seat positioning groove 9 is formed on a side wall of the rectangular frame 6 facing one side of the grinding powder bin 2 along the left and right directions;

the external threads on the outer side walls of the two sides of the center of the precise screw 8 are opposite in rotation direction, a movable slide seat 10 is respectively installed on the outer side walls of the two sides of the precise screw 8 in a screwed mode, the two movable slide seats 10 move relatively or oppositely, and the slide seat positioning grooves 9 at corresponding positions where the end parts of the two movable slide seats 10 penetrate out respectively are connected with the corresponding end parts of the paired roller grinding mechanism.

The two grinding powder grain diameter fine adjustment mechanism mainly drives the two grinding powder grain diameter fine adjustment mechanism to operate by means of a screw rod driving piece at the right end of the two grinding powder grain diameter fine adjustment mechanism, when the two grinding powder grain diameter fine adjustment mechanism operates, the corresponding movable sliding seats 10 are driven to be close to or far away from each other, and finally the purpose of driving the grinding material rollers 12 at the corresponding end parts on the paired roller grinding powder mechanism to move is achieved, so that the adjustment of the interval distance between the two grinding material rollers 12 is achieved.

In any of the above schemes, it is preferable that a through bar-shaped groove 11 is symmetrically provided on the side walls of the front and rear sides of the grinding bin 2, respectively, opposite to the slide positioning groove 9 at the corresponding position.

The bin wall through bar-shaped groove 11 and the slide seat positioning groove 9 are used for realizing guiding adjustment when the abrasive roller 12 is matched and the slide seat 10 is moved close to or far away from each other.

In any of the above schemes, preferably, the twin roller grinding mechanism includes two opposite grinding rollers 12 disposed in the blanking cavity 5 of the grinding bin 2, rear ends of respective central shafts of the two grinding rollers 12 respectively penetrate through the bin wall penetrating strip groove 11 at the corresponding position and are movably inserted into the mounting blind hole of the moving slide 10, front ends of respective central shafts of the two grinding rollers 12 respectively penetrate through the bin wall penetrating strip groove 11 at the corresponding position and are fixedly connected with the grinding motor 13 fixedly connected to the moving slide 10, the two grinding motors 13 respectively drive the corresponding grinding rollers to operate, and the two grinding rollers synchronously rotate relatively and form the grinding blanking channel 14 therebetween during operation.

The two grinding rolls 12 of the opposite roll grinding mechanism realize the movement adjustment along the left and right directions by matching with the movable sliding seat 10 at the corresponding end parts before working mutually, and simultaneously can start the corresponding grinding motor 13 to drive the corresponding grinding rolls 12 to rotate after being adjusted in place, the two grinding rolls 12 rotate oppositely, so that the falling epoxy resin particles can be rapidly ground, and the ground powder falls through the grinding blanking channel 14 and is finally guided out by the discharging bent pipe 4.

In any of the above schemes, it is preferable that a fixed-axis two-grinding roller 15 is installed in the blanking cavity 5 below the two grinding rollers, and two ends of a central shaft fixedly connected to the fixed-axis two-grinding roller 15 respectively and movably pass through holes on corresponding side walls of the grinding bin 2.

The purpose of the fixed-axis second grinding roller 15 is to be used in combination with the two upper grinding rollers 12, which can realize the re-grinding of the powder processed by the two grinding rollers 12, and the clearance between the fixed-axis second grinding roller 15 and the two grinding rollers 12 is smaller than the clearance of the grinding blanking channel 14, so that finer grinding can be realized.

In any of the above schemes, it is preferable that a positioning disc 16 is fixedly connected to the outer sidewall of the rear end of the fixed shaft two grinding roller 15, two sides of the positioning disc 16 are detachably fastened in threaded holes on the sidewall of the grinding bin at corresponding positions through locking screws 17, and the fixed shaft two grinding roller 15 is in a fixed state when the two locking screws 17 are locked.

The positioning and rotation prevention of the fixed-axis second grinding roller 15 can be realized through the fastening and positioning of the locking screw 17, and when the material is blocked, the fixed-axis rotation of the fixed-axis second grinding roller 15 can be realized through the disassembly of the two fixed-axis second grinding rollers 15, so that the aim of adjustment is fulfilled; similarly, when the problem of blockage caused by primary grinding occurs, the ground powder can be discharged first, and then the two grinding rolls 12 are controlled to be far away from each other, so that blockage cleaning is realized.

In any of the above schemes, it is preferable that a vibrating motor 18 is fixedly installed at the bottom of the grinding bin 2 at both sides of the discharging bent pipe 4, respectively.

The vibration motor 18 can ensure the smoothness during discharging when being started, and realizes quick powder discharging through vibration.

In any of the above solutions, preferably, the screw driving member includes a motor stand 20 fixedly mounted on the top of the grounded base 1 on the right side, an adjusting motor 19 is fixedly mounted on the motor stand 20, and two ends of a motor shaft of the adjusting motor 19 are respectively and fixedly connected with a stepped shaft 801 at an end of the precision screw 8 at a corresponding position.

When the adjusting motor 19 works, the end part of the corresponding precise screw rod 8 is driven to operate, so that the aim of driving the corresponding movable sliding seats 10 to approach or separate from each other is fulfilled.

Working principle:

can adjust two synchronous motion's crocus particle diameter fine setting mechanism in advance as required before the epoxy particle mill work, can drive two abrasive rolls 12 on the inside pair roller crocus mechanism of crocus storehouse 2 through two crocus particle diameter fine setting mechanism's regulation and realize being close to each other or keeping away from each other, can reduce crocus blanking passageway 14's clearance when being close to each other, improve crocus precision, can increase crocus blanking passageway 14's width when keeping away from each other, increase crocus particle diameter, reduce crocus precision, the powder after the crocus can pass through ejection of compact return bend 4 and discharge. The two grinding powder grain diameter fine adjustment mechanism mainly drives the two grinding powder grain diameter fine adjustment mechanism to operate by means of a screw rod driving piece at the right end of the two grinding powder grain diameter fine adjustment mechanism, when the two grinding powder grain diameter fine adjustment mechanism operates, the corresponding movable sliding seats 10 are driven to be close to or far away from each other, and finally the purpose of driving the grinding material rollers 12 at the corresponding end parts on the paired roller grinding powder mechanism to move is achieved, so that the adjustment of the interval distance between the two grinding material rollers 12 is achieved.

After the adjustment is finished, the equipment is started, epoxy resin particles to be treated are fed into the feeding port of the grinding bin 2 at the upper parts of the two grinding rolls 12 for grinding, the ground powder directly falls into the blanking cavity 5, and finally the powder is discharged from the discharging bent pipe 4 under the vibration action of the vibration motor.

The pulverizer is used in an epoxy resin particle abrasive workshop, can realize rapid pulverizing of epoxy resin particles, and can adjust pulverizing gaps in advance according to the accuracy requirement of the current pulverizing during pulverizing so as to achieve the purpose of matching different pulverizing fineness; in the grinding process, primary grinding is realized through the counter-rotation of the counter-roller grinding mechanism, and the fixed-axis secondary grinding roller 15 below the counter-roller grinding mechanism is matched to realize secondary grinding of the powder after primary grinding, so that the grinding effect is further improved; the powder after grinding can realize the rapid vibration discharge of the powder which falls into the blanking cavity 5 after grinding under the vibration action of the two vibration motors 18.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model and are intended to be within the scope of the appended claims and description; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (8)

1. Epoxy granule milling machine, its characterized in that: including fixed mounting in subaerial even ground base both sides symmetry respectively install a crocus particle diameter fine setting mechanism around the top of ground base, two crocus particle diameter fine setting mechanism is synchronous motion and mutually support and realize the regulation to crocus particle diameter fineness, two be provided with a crocus storehouse between the crocus particle diameter fine setting mechanism, the bottom of crocus storehouse is supported through a plurality of stand and is fixed on the ground base the bottom of crocus storehouse is provided with the ejection of compact return bend that has the valve the blanking chamber internally mounted of crocus storehouse has a pair of roller powder grinding mechanism, both ends respectively with corresponding position department around the roller powder grinding mechanism crocus particle diameter fine setting mechanism is connected.

2. The epoxy resin particle mill of claim 1, wherein: the fine-tuning mechanism for the grain size of the powder comprises a horizontally arranged rectangular frame, wherein bottoms of two ends of the rectangular frame are respectively supported on the ground base through vertical seats, a precise lead screw is installed in an inner frame of the rectangular frame, two ends of the precise lead screw movably penetrate through holes in the left end face and the right end face of the rectangular frame through stepped shafts at the ends of the precise lead screw, a lead screw driving piece is arranged on the right side of the rectangular frame, an output end of the lead screw driving piece is connected with the stepped shafts at the right end of the precise lead screw through a coupler, and a slide seat positioning groove is formed in the side wall of the rectangular frame facing one side of the powder bin along the left-right direction;

the external threads on the outer side walls of the two sides of the center of the precise screw rod are opposite in rotation direction, a movable slide seat is respectively rotatably installed on the outer side walls of the two sides of the precise screw rod, the two movable slide seats move relatively or oppositely, and the two slide seat positioning grooves at the corresponding positions where the end parts of the two movable slide seats respectively penetrate out are connected with the corresponding end parts of the paired roller grinding mechanism.

3. The epoxy resin particle mill according to claim 2, wherein: the side walls on the front side and the rear side of the grinding bin are symmetrically provided with a bin wall penetrating strip-shaped groove opposite to the sliding seat positioning groove at the corresponding position.

4. An epoxy resin pellet mill as claimed in claim 3, wherein: the pair roller grinding mechanism comprises two opposite grinding rolls arranged in a blanking cavity of the grinding bin, the rear end parts of respective central shafts of the two grinding rolls respectively penetrate through the bin wall through strip-shaped grooves at corresponding positions and are movably inserted into the installation blind holes of the movable sliding seat, the front end parts of the respective central shafts of the two grinding rolls respectively penetrate through the bin wall through strip-shaped grooves at corresponding positions and are fixedly connected with grinding motors fixedly connected with the movable sliding seat, the two grinding motors respectively drive the corresponding grinding rolls to operate, and the two grinding rolls synchronously rotate relatively during operation and form grinding blanking channels between the two grinding rolls.

5. The epoxy resin particle mill of claim 4, wherein: and two fixed shaft two grinding rollers are arranged in the blanking cavity below the two grinding rollers, and two ends of a central shaft fixedly connected to the fixed shaft two grinding rollers respectively movably penetrate through holes in the corresponding side walls of the grinding bin.

6. The epoxy resin particle mill of claim 5, wherein: a locating disc is fixedly connected to the outer side wall of the rear end of the fixed shaft second grinding roller, two sides of the locating disc are detachably fastened in threaded holes in the side wall of the grinding bin at corresponding positions through locking screws, and the fixed shaft second grinding roller is in a fixed state when the locking screws are locked.

7. The epoxy resin particle mill of claim 6, wherein: the bottoms of the grinding bins at two sides of the discharging bent pipe are respectively and fixedly provided with a vibrating motor.

8. The epoxy resin particle mill of claim 7, wherein: the screw driving piece comprises a motor vertical seat fixedly arranged at the top of the continuous base seat on the right side, an adjusting motor is fixedly arranged on the motor vertical seat, and two ends of a motor shaft of the adjusting motor are fixedly connected with stepped shafts at the end parts of the precise screws at corresponding positions respectively.