Raw material grinding device for high-elasticity hot melt adhesive label preparation

Abstract

The invention belongs to the technical field of raw material grinding, and discloses a raw material grinding device for high-elasticity hot melt adhesive label preparation, the raw material grinding device comprises a sanding cylinder, a rotating conduction sleeve is rotatably mounted in the sanding cylinder, and dispersion discs are distributed on the outer side face of the rotating conduction sleeve at equal intervals in an array mode. On one hand, grinding beads in the sand grinding cylinder are stirred at a high speed through the dispersing disc and the elastic processing assembly which are matched with each other to rotate, and raw material particles in mixed material liquid are sheared and crushed through high-speed movement of the grinding beads under the stirring effect; the elastic processing assembly is intermittently inflated and expanded, the elastic sleeve frame which is intermittently inflated and expanded is used for providing elastic force for the touched grinding beads, rapid movement of the grinding beads in different directions is accelerated, the movement speed is increased, meanwhile, more complex movement directions are increased, and therefore the material grinding effect is improved; and the poor single-direction shearing and grinding effect is avoided, and the grinding efficiency is greatly improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of raw material grinding, and specifically relates to a raw material grinding device for preparing high-elastic hot-melt adhesive labels. Background Art

[0002] High-elastic hot-melt adhesive labels are a type of flexible label material with hot-melt adhesive as the base material. When the core raw materials of high-elastic hot-melt adhesive labels are processed, they usually need to be ground to obtain raw materials with particle sizes meeting the requirements. The common method is wet grinding using a sand mill.

[0003] In the existing raw material grinding devices for preparing high-elastic hot-melt adhesive labels, during the grinding process, wet grinding is usually achieved using a sand mill. After mixing the materials with a mixed solution, grinding beads are put into the sand mill cylinder to complete the grinding process under agitation. However, during actual agitation grinding, the movement direction of the grinding balls in the grinding chamber is relatively fixed, rotating circumferentially along the agitation direction. When performing shear grinding, due to the single direction, the grinding effect intensity is general, and during the grinding movement, they collide with the dispersion disk, causing relatively large impact damage and noise, and the overall grinding effect is not good. Summary of the Invention

[0004] The purpose of the present invention is to provide a raw material grinding device for preparing high-elastic hot-melt adhesive labels to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A raw material grinding device for preparing high-elastic hot-melt adhesive labels, including a sand mill cylinder. A rotating conduction sleeve is rotatably installed inside the sand mill cylinder. The outer side of the rotating conduction sleeve is equally spaced and arrayed with dispersion disks. An elastic treatment component is fixedly arranged outside the dispersion disks. An elastic inner cylinder is fixedly sleeved on the inner wall of the sand mill cylinder. A power component and a gas supply component are respectively arranged at the outer ends of the sand mill cylinder. Grinding beads are arranged inside the sand mill cylinder. The gas supply component is communicated with the rotating conduction sleeve. The rotating conduction sleeve is internally communicated with the elastic treatment component through the dispersion disks. The gas supply component controls the intermittent expansion of the elastic treatment component through the rotating conduction sleeve. The elastic treatment component includes an elastic pad, a fixed frame, an elastic sleeve frame, and a communication port. The elastic pads are symmetrically fixed on both sides of the dispersion disk. The fixed frame is fixedly connected to both sides of the dispersion disk. The elastic sleeve frame is fixedly sleeved outside the fixed frame and is internally communicated with the fixed frame through the communication port.

[0006] Preferably, a feeding pipe and a filtering and discharging part are respectively arranged at the left and right ends of the sand mill cylinder. The feeding pipe and the filtering and discharging part are both communicated with the inside of the sand mill cylinder. A discharge port is arranged at the bottom of the sand mill cylinder, and a sealing plug is arranged inside the discharge port.

[0007] Preferably, the dispersion disc includes a disc body, a communication cavity and an annular groove. The communication cavity is opened inside the disc body, the annular groove is opened on the annular inner wall of the disc body, the annular groove communicates with the communication cavity, and the other end of the communication cavity communicates with the elastic treatment component.

[0008] Preferably, the communication port is opened on the outer side surface of the fixed frame and communicates with the elastic sleeve frame. The fixed frame communicates with the communication cavity. A side port one is opened on the outer side surface of the rotation conduction sleeve. The annular groove is located outside the side port one and communicates with the side port one.

[0009] Preferably, the air supply component includes an air pump, a sleeve, a curved pipe and a solenoid valve. The sleeve is sleeved on the outer end of the rotation conduction sleeve. A sealing ring is provided between the sleeve and the rotation conduction sleeve. One end of the curved pipe communicates with the air outlet end of the air pump, and the other end is fixedly connected with the solenoid valve. The solenoid valve is fixed on the end surface of the sleeve.

[0010] Preferably, the power component includes a motor, a gear one and a gear two. The gear one is fixedly connected to the output shaft of the motor. The gear two is fixedly sleeved on the outer side surface of the rotation conduction sleeve. The gear two is meshed with the gear one. The power component controls the rotation of the rotation conduction sleeve.

[0011] Preferably, the filtering and discharging part includes a discharging cylinder, a discharging pipe and filtering holes. The discharging cylinder is fixedly sleeved on the right end of the sanding cylinder. The discharging pipe is fixedly communicated with the end surface of the discharging cylinder. The filtering holes are opened on the outer side surface of the discharging cylinder.

[0012] Preferably, a bearing is fixedly sleeved on the outer side of the inner end of the rotation conduction sleeve. One end of the rotation conduction sleeve is rotatably installed in the filtering and discharging part through the bearing. A cleaning component is fixedly provided at one end of the rotation conduction sleeve. The cleaning component is located in the discharging cylinder.

[0013] Preferably, the cleaning component includes a cleaning arc plate and a connecting rod. One end of the connecting rod is fixedly connected to the cleaning arc plate and the other end is fixed on the rotation conduction sleeve. The outer side surface of the cleaning arc plate contacts the inner wall of the discharging cylinder.

[0014] Preferably, a commutation component is provided inside the rotation conduction sleeve. The commutation component includes an inner pipe, an intermediate port and an electric push rod. A purging port is opened on the outer side surface of the rotation conduction sleeve. The inner pipe is movably sleeved in the rotation conduction sleeve. The intermediate port is opened on the outer side surface of the inner pipe. The purging port is located on the moving path of the intermediate port. The electric push rod is fixed in the rotation conduction sleeve. The movable end of the electric push rod is fixedly connected to the inner pipe through a connecting block and controls the inner pipe to move horizontally in the rotation conduction sleeve. The side port one is located on the moving path of the intermediate port.

[0015] The beneficial effects of the present invention are as follows: (1) In the present invention, by utilizing a power assembly, a gas supply assembly, a rotating conduction sleeve, a dispersion disk, and an elastic treatment assembly, during the wet grinding of raw materials, on the one hand, in cooperation with the rotating dispersion disk and the elastic treatment assembly, the grinding beads in the sanding cylinder are stirred at high speed. By means of the high-speed movement of the grinding beads under the stirring effect, the raw material particles in the mixed material liquid are sheared and broken. On the other hand, through the intermittent ventilation of the gas supply assembly, the elastic treatment assembly is intermittently inflated and expanded. By means of the intermittently inflated and expanded elastic sleeve frame, an elastic force is provided to the touched grinding beads, accelerating the rapid movement of the grinding beads in different directions. While providing the movement speed, more complex movement directions are added, thereby improving the grinding effect on the material, avoiding poor shearing grinding effect in a single direction, and greatly improving the grinding efficiency.

[0016] (2) In the present invention, by utilizing the cooperative effect of the elastic treatment assembly and the elastic inner cylinder, during the high-speed grinding under stirring, in cooperation with the high-speed moving grinding balls, during the impact and collision process, they repeatedly contact the elastic elastic treatment assembly and the inner wall of the elastic inner cylinder. While accelerating the rebound, the noise under rigid collision is reduced, and the grinding noise is lowered.

[0017] (3) In the present invention, by utilizing the rotating conduction sleeve, the gas supply assembly, and the commutation assembly again, and in cooperation with the purge port on the outside of the rotating conduction sleeve, after the discharge of materials inside the sanding cylinder is completed, by starting the movement of the commutation assembly, the purge port is opened and the side port 1 is sealed, realizing the bypass purge of the gas introduced into the rotating conduction sleeve, and performing rotary purge on the inside of the sanding cylinder during rotation, realizing internal drying and purge cleaning. Without additional special equipment, the self-cleaning treatment after grinding processing can be quickly realized. Description of the Drawings

[0018] Figure 1 is the structural schematic diagram of the present invention; Figure 2 is the sectional schematic diagram of the present invention; Figure 3 is the installation schematic diagram of the rotating conduction sleeve and the dispersion disk of the present invention; Figure 4 is the sectional schematic diagram of the elastic treatment assembly and the dispersion disk of the present invention; Figure 5 is the sectional schematic diagram of the elastic treatment assembly of the present invention; Figure 6 is the connection schematic diagram of the rotating conduction sleeve and the cleaning assembly of the present invention; Figure 7 is the sectional schematic diagram of the rotating conduction sleeve and the commutation assembly of the present invention; Figure 8 is the schematic diagram of the commutation assembly of the present invention; Figure 9 is the schematic diagram of the gas supply assembly of the present invention; Figure 10 Schematic diagram of the filtering and discharging part of the present invention.

[0019] In the figure: 1, sand grinding cylinder; 2, feeding pipe; 3, filtering and discharging part; 31, discharging cylinder; 32, discharging pipe; 33, filter holes; 4, rotating conduction sleeve; 5, dispersion disc; 51, disc body; 52, communication cavity; 53, annular groove; 6, elastic treatment component; 61, elastic pad; 62, fixed frame; 63, elastic sleeve frame; 64, communication port; 7, elastic inner cylinder; 8, power component; 81, motor; 82, gear one; 83, gear two; 9, air supply component; 91, air pump; 92, sleeve; 93, curved pipe; 94, solenoid valve; 10, commutation component; 101, inner pipe; 102, middle port; 103, electric push rod; 11, cleaning component; 111, cleaning arc plate; 112, connecting rod; 12, side port one; 13, purging port; 14, bearing. Specific embodiments

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] As Figures 1 to 10 shown, the embodiment of the present invention provides a raw material grinding device for preparing a highly elastic hot melt adhesive label, including a sand grinding cylinder 1. A rotating conduction sleeve 4 is rotatably installed inside the sand grinding cylinder 1. Dispersion discs 5 are equally spaced and arrayed on the outer side of the rotating conduction sleeve 4. An elastic treatment component 6 is fixedly arranged outside the dispersion discs 5. An elastic inner cylinder 7 is fixedly sleeved on the inner wall of the sand grinding cylinder 1. A power component 8 and an air supply component 9 are respectively arranged at the outer end of the sand grinding cylinder 1. Grinding beads are arranged inside the sand grinding cylinder 1. The air supply component 9 is communicated with the rotating conduction sleeve 4. The rotating conduction sleeve 4 is communicated with the inside of the elastic treatment component 6 through the dispersion discs 5. The air supply component 9 controls the intermittent expansion of the elastic treatment component 6 through the rotating conduction sleeve 4. The elastic treatment component 6 includes an elastic pad 61, a fixed frame 62, an elastic sleeve frame 63 and a communication port 64. The elastic pads 61 are symmetrically fixed on both sides of the dispersion discs 5. The fixed frame 62 is fixedly connected to both sides of the dispersion discs 5. The elastic sleeve frame 63 is fixedly sleeved on the outside of the fixed frame 62 and is communicated with the inside of the fixed frame 62 through the communication port 64.

[0022] Embodiment 1: When in use, the grinding beads and the mixed raw materials to be ground are input into the interior of the sand grinding cylinder 1 through the feed pipe 2 on the side of the sand grinding cylinder 1. The power assembly 8 is started, the motor 81 drives the first gear 82 to rotate, and drives the engaged second gear 83 to rotate, so that the sleeved rotating conduction sleeve 4 rotates, thereby driving the dispersion disc 5 in the sand grinding cylinder 1 to rotate. The dispersion disc 5 cooperates with the elastic treatment assembly 6 on the outside to rotate and stir the mixed materials in the sand grinding cylinder 1, and drives the grinding beads to move at high speed. Strong collisions and frictions occur between the grinding beads and the materials, thereby finely grinding the materials. And as the grinding beads moving at high speed collide with the surface of the elastic treatment assembly 6, they move repeatedly under the impact and elastic action. At the same time, the air supply assembly 9 is started. The air pump 91 inputs pressurized air into the rotating conduction sleeve 4 through the curved pipe 93, the solenoid valve 94, and the sleeve 92, and inputs it into the fixed frame 62 through the middle port 102, the side port 12, the annular groove 53, and the communication cavity 52, so that the pressurized air is input into the elastic sleeve frame 63 through the communication port 64, causing the elastic sleeve frame 63 to inflate and expand, and when rapidly expanding, it impacts and pushes the contacting grinding beads, causing the grinding beads to accelerate. And the solenoid valve 94 is controlled to start intermittently, so that the elastic sleeve frame 63 expands and deforms and contracts rapidly in a reciprocating manner, completing the intermittent ejection of the grinding group. The moving direction and speed of the grinding beads in the sand grinding cylinder 1 are both changed, and the materials are ground and refined more fully. And during the rotating grinding process, the rotating conduction sleeve 4 drives the cleaning assembly 11 to rotate rapidly. The cleaning assembly 11 rotates along the inside of the filtering and discharging part 3, and frictionally cleans the filter holes 33, completing the synchronous clogging removal treatment.

[0023] First of all, by using the power assembly 8, the air supply assembly 9, the rotating conduction sleeve 4, the dispersion disc 5, and the elastic treatment assembly 6, when wet grinding the raw materials, on the one hand, in cooperation with the rotating dispersion disc 5 and the elastic treatment assembly 6, the grinding beads in the sand grinding cylinder 1 are stirred at high speed. By using the high-speed movement of the grinding beads under the stirring effect, the raw material particles in the mixed material liquid are sheared and broken. On the other hand, through the intermittent ventilation of the air supply assembly 9, the elastic treatment assembly 6 is intermittently inflated and expanded. By using the intermittently inflated and expanded elastic sleeve frame 63, a elastic force is provided to the touching grinding beads, accelerating the rapid movement of the grinding beads in different directions. While providing the movement speed, more complex movement directions are added, thereby improving the grinding effect on the materials, avoiding poor shearing grinding effect in a single direction, and greatly improving the grinding efficiency.

[0024] In addition, by using the cooperative effect of the elastic treatment assembly 6 and the elastic inner cylinder 7, during the high-speed grinding under stirring, in cooperation with the high-speed moving grinding balls, during the impact collision process, they repeatedly contact the inner wall of the elastic elastic treatment assembly 6 and the elastic inner cylinder 7, accelerating the rebound while reducing the noise under rigid collision, and reducing the grinding noise.

[0025] Embodiment 2: After the grinding process is completed, as the materials and grinding beads in the sand grinding cylinder 1 are discharged, the air supply of the air supply assembly 9 is maintained, so that pressurized air is input into the rotating conduction sleeve 4. The commutation assembly 10 is started, and the electric push rod 103 is started to drive the inner tube 101 to move, so that the middle port 102 is staggered from the side port 12, and after moving, it is communicated with the purge port 13 and purged out through the purge port 13. And as the power assembly 8 drives the rotation of the rotating conduction sleeve 4, the purge port 13 rotates and purges along the inside of the sand grinding cylinder 1 to complete the internal purge cleaning and complete the drying and cleaning process.

[0026] First of all, by reusing the rotating conduction sleeve 4, the air supply assembly 9 and the commutation assembly 10, and cooperating with the purge port 13 outside the rotating conduction sleeve 4, after the discharge of the materials inside the sand grinding cylinder 1 is completed, by starting the movement of the commutation assembly 10, the purge port 13 is opened and the side port 12 is sealed, realizing the bypass purge of the gas introduced into the rotating conduction sleeve 4, and performing rotary purge on the inside of the sand grinding cylinder 1 during rotation, realizing internal drying and purge cleaning. Without additional special equipment, the self-cleaning process after grinding can be quickly realized.

[0027] Among them, a feed pipe 2 and a filtering and discharging part 3 are respectively arranged at the left and right ends of the sand grinding cylinder 1. The feed pipe 2 and the filtering and discharging part 3 are both communicated with the inside of the sand grinding cylinder 1. A drain port is arranged at the bottom of the sand grinding cylinder 1, and a sealing plug is arranged inside the drain port.

[0028] The feed pipe 2 is used to inject materials and grinding beads. The filtering and discharging part 3 is used to filter and screen out materials with appropriate particle sizes. The drain port is used for internal drainage after the treatment is completed, and the drainage is completed by opening the sealing plug.

[0029] Among them, the dispersion disc 5 includes a disc body 51, a communication cavity 52 and an annular groove 53. The communication cavity 52 is opened inside the disc body 51. The annular groove 53 is opened on the annular inner wall of the disc body 51. The annular groove 53 is communicated with the communication cavity 52. The other end of the communication cavity 52 is communicated with the elastic treatment assembly 6. A communication port 64 is opened on the outer side of the fixed frame 62 and is communicated with the elastic sleeve frame 63. The fixed frame 62 is communicated with the communication cavity 52. A side port 12 is opened on the outer side of the rotating conduction sleeve 4. The annular groove 53 is located outside the side port 12 and is communicated with the side port 12.

[0030] The dispersion disc 5 is used to disturb the water flow in the sand grinding cylinder 1, realize the rapid movement of the grinding beads, and complete the grinding process.

[0031] Among them, the air supply assembly 9 includes an air pump 91, a sleeve 92, a curved pipe 93 and a solenoid valve 94. The sleeve 92 is sleeved on the outer end of the rotating conduction sleeve 4. A sealing ring is arranged between the sleeve 92 and the rotating conduction sleeve 4. One end of the curved pipe 93 is communicated with the air outlet end of the air pump 91, and the other end is fixedly connected with the solenoid valve 94. The solenoid valve 94 is fixed on the end face of the sleeve 92.

[0032] The air supply assembly 9 is used to provide pressurized air to achieve the ventilation and expansion of the elastic sleeve frame 63, and under intermittent input, achieve rapid elastic expansion and restoration, so as to generate an elastic force on the abrasive beads by using repeated actions.

[0033] Among them, the power assembly 8 includes a motor 81, a first gear 82 and a second gear 83. The first gear 82 is fixedly connected to the output shaft of the motor 81. The second gear 83 is fixedly sleeved on the outer side of the rotating conduction sleeve 4. The second gear 83 is meshed and connected with the first gear 82, and the power assembly 8 controls the rotation of the rotating conduction sleeve 4.

[0034] The power assembly 8 provides power to achieve the rotation action.

[0035] Among them, the filtering and discharging part 3 includes a discharging cylinder 31, a discharging pipe 32 and filter holes 33. The discharging cylinder 31 is fixedly sleeved on the right end of the sand grinding cylinder 1. The discharging pipe 32 is fixedly communicated with the end face of the discharging cylinder 31. The filter holes 33 are opened on the outer side of the discharging cylinder 31.

[0036] The filtering and discharging part 3 realizes the filtering treatment and allows the materials and water with appropriate sizes after grinding to pass through.

[0037] Among them, a bearing 14 is fixedly sleeved on the outer side of the inner end of the rotating conduction sleeve 4. One end of the rotating conduction sleeve 4 is rotatably installed in the filtering and discharging part 3 through the bearing. A cleaning assembly 11 is fixedly arranged at one end of the rotating conduction sleeve 4, and the cleaning assembly 11 is located in the discharging cylinder 31.

[0038] While the rotating conduction sleeve 4 realizes rotation, it maintains the internal gas conduction to achieve the ventilation control.

[0039] Among them, the cleaning assembly 11 includes a cleaning arc plate 111 and a connecting rod 112. One end of the connecting rod 112 is fixedly connected to the cleaning arc plate 111 and the other end is fixed on the rotating conduction sleeve 4. The outer side of the cleaning arc plate 111 is in contact with the inner wall of the discharging cylinder 31.

[0040] The cleaning assembly 11 cooperates with the rotation effect to synchronously complete the self-cleaning and anti-blocking treatment of the filtering and discharging part 3, avoid blockage, and automatically clean the blockage.

[0041] Among them, a commutation component 10 is provided inside the rotating conduction sleeve 4. The commutation component 10 includes an inner tube 101, an intermediate port 102, and an electric push rod 103. A purge port 13 is formed on the outer side surface of the rotating conduction sleeve 4. The inner tube 101 is movably sleeved in the rotating conduction sleeve 4. The intermediate port 102 is formed on the outer side surface of the inner tube 101. The purge port 13 is located on the moving path of the intermediate port 102. The electric push rod 103 is fixed in the rotating conduction sleeve 4, and the movable end of the electric push rod 103 is fixedly connected to the inner tube 101 through a connecting block and controls the inner tube 101 to move horizontally in the rotating conduction sleeve 4. The side port one 12 is located on the moving path of the intermediate port 102.

[0042] Through the movement and commutation of the commutation component 10, the closed air flow is directed towards the conduction inside the dispersion disc 5 and directly bypassed and purged along the purge port 13, so as to realize the purge treatment inside the sanding cylinder 1.

[0043] The working principle and use process of the present invention are as follows: when in use, the grinding beads and the mixed raw materials to be ground are fed into the interior of the sand mill 1 through the feeding pipe 2 on the side of the sand mill 1, the power assembly 8 is started, the motor 81 drives the gear 1 82 to rotate, and drives the meshing gear 2 83 to rotate, so that the sleeved rotating guide sleeve 4 rotates, thereby driving the dispersion plate 5 in the sand mill 1 to rotate, and the dispersion plate 5 cooperates with the elastic processing assembly 6 on the outside to rotate and stir the mixed materials in the sand mill 1, and drives the grinding beads to move at high speed, and there is a strong collision and Friction, thereby finely grinding the material, and as the high-speed moving grinding beads collide with the surface of the elastic processing component 6, they move repeatedly under the action of impact and elasticity, and at the same time start the air supply component 9, the air pump 91 inputs the pressurized air into the rotating guide sleeve 4 through the curved pipe 93, the electromagnetic valve 94, and the sleeve 92, and inputs it into the fixed frame 62 through the middle port 102, the side port 12, the annular groove 53 and the connecting cavity 52, so that the pressurized air is input into the elastic sleeve frame 63 through the connecting port 64, so that the elastic sleeve frame 63 is inflated and expands at a fast speed. When expanding, the impact pushes the contacting grinding beads, causing the grinding beads to accelerate their movement, and the control solenoid valve 94 is intermittently started, causing the elastic sleeve frame 63 to rapidly expand, deform and contract back and forth, completing the intermittent ejection of the grinding group, and the movement direction and speed of the grinding beads in the sand mill 1 are changed, and the material is more fully ground and refined; and in the process of rotary grinding, the rotating guide sleeve 4 drives the cleaning component 11 to rotate rapidly, and the cleaning component 11 rotates along the inside of the filter discharge part 3, and frictionally cleans the filter hole 33, completing the synchronous clearing process; when the grinding is completed After processing, as the material and grinding beads in the sand mill 1 are discharged, the ventilation of the air supply component 9 is maintained so that the pressurized air is input into the rotating conductive sleeve 4, the reversing component 10 is started, the electric push rod 103 is started and drives the inner tube 101 to move, so that the middle port 102 is staggered with the side port 12, and after moving, it is connected with the purge port 13 and blown out through the purge port 13. As the power component 8 drives the rotating conductive sleeve 4 to rotate, the purge port 13 rotates and blows along the inside of the sand mill 1, completing the internal purge cleaning, and completing the drying and cleaning process.

[0044] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A raw material grinding device for preparing a highly elastic hot melt adhesive label, comprising a sand grinding cylinder (1), characterized in that: A rotating conduction sleeve (4) is rotatably installed inside the abrasive cylinder (1). The outer side of the rotating conduction sleeve (4) is evenly and arrayed with dispersion discs (5). An elastic treatment assembly (6) is fixedly arranged on the outer side of the dispersion disc (5). An elastic inner cylinder (7) is fixedly sleeved on the inner wall of the abrasive cylinder (1). A power assembly (8) and an air supply assembly (9) are respectively arranged at the outer ends of the abrasive cylinder (1). There are abrasive beads inside the abrasive cylinder (1). The air supply assembly (9) is communicated with the rotating conduction sleeve (4). The rotating conduction sleeve (4) is internally communicated with the inside of the elastic treatment assembly (6) through the dispersion disc (5). The air supply assembly (9) controls the intermittent expansion of the elastic treatment assembly (6) through the rotating conduction sleeve (4). The elastic treatment assembly (6) includes an elastic pad (61), a fixed frame (62), an elastic sleeve frame (63) and a communication port (64). The elastic pads (61) are symmetrically fixed on both sides of the dispersion disc (5). The fixed frame (62) is fixedly connected to both sides of the dispersion disc (5). The elastic sleeve frame (63) is fixedly sleeved on the outside of the fixed frame (62) and is internally communicated with the fixed frame (62) through the communication port (64).

2. The raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 1, wherein: A feed pipe (2) and a filtering and discharging part (3) are respectively arranged at the left and right ends of the abrasive cylinder (1). The feed pipe (2) and the filtering and discharging part (3) are both communicated with the inside of the abrasive cylinder (1). A drain opening is arranged at the bottom of the abrasive cylinder (1), and a sealing plug is arranged inside the drain opening.

3. The raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 2, wherein: The dispersion disc (5) includes a disc body (51), a communication cavity (52) and an annular groove (53). The communication cavity (52) is opened inside the disc body (51). The annular groove (53) is opened on the annular inner wall of the disc body (51). The annular groove (53) is communicated with the communication cavity (52). The other end of the communication cavity (52) is communicated with the elastic treatment assembly (6).

4. A raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 3, characterized in that: The communication port (64) is opened on the outer side of the fixed frame (62) and is communicated with the elastic sleeve frame (63). The fixed frame (62) is communicated with the communication cavity (52). A side opening one (12) is opened on the outer side of the rotating conduction sleeve (4). The annular groove (53) is located outside the side opening one (12) and is communicated with the side opening one (12).

5. A raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 4, characterized in that: The air supply assembly (9) includes an air pump (91), a sleeve (92), a curved pipe (93) and a solenoid valve (94). The sleeve (92) is sleeved on the outer end of the rotating conduction sleeve (4). A sealing ring is arranged between the sleeve (92) and the rotating conduction sleeve (4). One end of the curved pipe (93) is communicated with the air outlet end of the air pump (91), and the other end is fixedly connected to the solenoid valve (94). The solenoid valve (94) is fixed on the end face of the sleeve (92).

6. The raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 5, characterized in that: The power assembly (8) includes a motor (81), a first gear (82) and a second gear (83). The first gear (82) is fixedly connected to the output shaft of the motor (81). The second gear (83) is fixedly sleeved on the outer side surface of the rotating conduction sleeve (4). The second gear (83) is meshed with the first gear (82). The power assembly (8) controls the rotation of the rotating conduction sleeve (4).

7. A raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 6, characterized in that: The filtering and discharging part (3) includes a discharging cylinder (31), a discharging pipe (32) and filtering holes (33). The discharging cylinder (31) is fixedly sleeved on the right end of the sanding cylinder (1). The discharging pipe (32) is fixedly communicated with the end surface of the discharging cylinder (31). The filtering holes (33) are formed on the outer side surface of the discharging cylinder (31).

8. The raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 7, characterized in that: A bearing (14) is fixedly sleeved on the outer side of the inner end of the rotating conduction sleeve (4). One end of the rotating conduction sleeve (4) is rotatably installed in the filtering and discharging part (3) through the bearing. One end of the rotating conduction sleeve (4) is fixedly provided with a cleaning assembly (11). The cleaning assembly (11) is located in the discharging cylinder (31).

9. A raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 8, characterized in that: The cleaning assembly (11) includes a cleaning arc plate (111) and a connecting rod (112). One end of the connecting rod (112) is fixedly connected to the cleaning arc plate (111), and the other end is fixed on the rotating conduction sleeve (4). The outer side surface of the cleaning arc plate (111) is in contact with the inner wall of the discharging cylinder (31).

10. The raw material grinding device for preparing a highly elastic hot melt adhesive label according to claim 9, characterized in that: A commutation assembly (10) is arranged inside the rotating conduction sleeve (4). The commutation assembly (10) includes an inner pipe (101), an intermediate port (102), and an electric push rod (103). A blowing port (13) is formed on the outer side surface of the rotating conduction sleeve (4). The inner pipe (101) is movably sleeved in the rotating conduction sleeve (4). The intermediate port (102) is formed on the outer side surface of the inner pipe (101). The blowing port (13) is located on the moving path of the intermediate port (102). The electric push rod (103) is fixed in the rotating conduction sleeve (4), and the movable end of the electric push rod (103) is fixedly connected to the inner pipe (101) through a connecting block and controls the inner pipe (101) to move horizontally in the rotating conduction sleeve (4). The first side port (12) is located on the moving path of the intermediate port (102).

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