CN210545511U

CN210545511U - Hot melt adhesive raw materials reducing mechanism

Info

Publication number: CN210545511U
Application number: CN201920840168.1U
Authority: CN
Inventors: 龙其成
Original assignee: Anqing Kangmingna Packaging Co ltd
Current assignee: Anqing Kangmingna Packaging Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-19
Anticipated expiration: 2029-06-05

Abstract

The utility model provides a hot melt adhesive raw materials reducing mechanism, including the cylinder device body, the both ends of the cylinder device body all are to rotate and are connected with the fixed stay plate body, two the both sides of fixed stay plate body are equipped with first driving motor and second driving motor respectively, first driving motor and second driving motor's lower extreme is equipped with the supporting platform board, the both ends symmetry of supporting platform board bottom is equipped with the support bed board, and two the up end of support bed board with install spring shock attenuation subassembly between the bottom of supporting platform board, the second support frame is kept away from one side of the cylinder device body is equipped with control panel, be equipped with into discharge gate on the outer wall of the cylinder device body, the lower extreme of the cylinder device body is equipped with semi-closed arc wall. The utility model discloses utilize inside and outside reverse two modes of rotating, reduced crushing operating time for the crushing work of raw materials is more swift high-efficient.

Description

Hot melt adhesive raw materials reducing mechanism

Technical Field

The utility model relates to a crushing apparatus's technical field specifically is a hot melt adhesive raw materials reducing mechanism.

Background

The Hot melt adhesive (English name: Hot Glue) is a plastic adhesive, the physical state of which changes with the temperature within a certain temperature range, but the chemical property is not changed, and the Hot melt adhesive is non-toxic and tasteless, belongs to an environment-friendly chemical product, and is convenient for packaging, transportation and storage, and has no solvent, pollution and toxicity because the product is a solid; the production process is simple, the added value is high, the bonding strength is high, the speed is high, and the like, so that the adhesive is favored;

the raw materials shredding process needs to be carried out to the raw materials in the raw materials course of working of hot melt adhesive, and current raw materials rubbing crusher majority carries out the rotation of unidirectional for single stirring stick and cuts crushing, and crushing effect is relatively poor to the raw materials remain easily in the corner gap department of smashing the cavity when stirring is smashed, can't be smashed together, has increased the clearance working strength after smashing the end, leads to smashing efficiency slower.

Therefore, it is necessary to optimize the structure of the pulverizing apparatus for enhancing the pulverizing efficiency and improving the pulverizing effect.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a hot melt adhesive raw material reducing mechanism for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a hot melt adhesive raw material crushing device comprises a roller device body, wherein two ends of the roller device body are rotatably connected with fixed supporting plate bodies, one ends, far away from the roller device body, of the two fixed supporting plate bodies are respectively provided with a first driving motor and a second driving motor, the lower end of the first driving motor is fixedly provided with a first supporting frame, the bottom of the first supporting frame is fixedly provided with a supporting platform plate through bolts, two ends of the bottom of the supporting platform plate are symmetrically provided with supporting base plates, and a spring damping assembly is arranged between the upper end surfaces of the two supporting base plates and the bottom of the supporting platform plate; a second support frame is fixed at the lower end of the second driving motor, a control panel is arranged on one side of the second support frame, which is far away from the roller device body, a support rod is fixed at the lower end of the control panel, and the bottoms of the second support frame and the support rod are respectively fixed on the support platform plate through bolts; a crushing and stirring rod body assembly is arranged inside the roller device body and comprises a frame body support, a first support connecting rod and a second support connecting rod are symmetrically welded in a frame body of the frame body support, a first multi-fold structure cutting piece is fixed on one side of the first support connecting rod and the edge frame body of the frame body support through bolts, and a second multi-fold structure cutting piece is fixed on one side of the second support connecting rod, which is far away from the first multi-fold structure cutting piece, and the edge frame body of the frame body support through bolts; the lower extreme of the cylinder device body is equipped with semi-closed arc wall, semi-closed arc wall is big end structure, semi-closed arc wall the big head end with supporting platform board's vertical height is higher than semi-closed arc wall height of stub end, just semi-closed arc wall both sides casing and two of stub end are respectively through the bolt fastening.

Further, first driving motor's output is connected with a transmission axis body, a transmission axis body through connection has gear work protection casing device, gear work protection casing device is half detachable type, just gear work protection casing device with the cylinder device body is kept away from pass through the bolt fastening on the fixed stay plate body of second driving motor one end.

Further, be equipped with the transmission connection pad in the gear work protection casing device, the transmission connection pad is close to the welding has the ring gear cover on first driving motor's the one end casing, be equipped with annular track tooth on the inner wall of ring gear cover, the meshing is connected with the reversing gear one by one on the internal ring tooth of annular track tooth, and is a plurality of the reversing gear passes through the bearing and fixes one by one on the transmission connection pad, just the transmission connection pad with the shell of the cylinder device body passes through bolt fixed connection.

Furthermore, one end, far away from the first driving motor, of the first transmission shaft body is provided with a transmission gear, and the transmission gear is located among the plurality of reverse gears and meshed in a surrounding manner.

Furthermore, the output end of the second driving motor is connected with a second transmission shaft body, one end of the second driving motor is far away from the second transmission shaft body and sequentially penetrates through the shell of the roller device body and the middle parts of the frame bodies at the two ends of the frame support extend to the inner shell of the roller device body, the middle parts of the frame bodies at the two ends of the frame support and the second transmission shaft body are fixedly connected in a ring sleeve mode, and the connection mode is bolt fixing.

Furthermore, a first ball bearing, a spiral cutting piece and a second ball bearing are sequentially arranged in the drum device body from the output end of the second driving motor to the inside of the drum device body on the shaft body of the second transmission shaft body, and the spiral cutting piece is located between the frame bodies at the two ends of the frame body support.

Furthermore, annular sealing boxes are symmetrically arranged on the inner shells at two ends of the roller device body, and the first ball bearing and the second ball bearing are correspondingly clamped in the two annular sealing boxes respectively.

Furthermore, sharp-pointed lugs are arranged on the inner wall of the roller device body one by one, and the plurality of sharp-pointed lugs are fixed with the inner wall of the roller device body through bolts.

Further, be equipped with into discharge gate on the outer wall of the cylinder device body, the both sides of into discharge gate are equipped with screw rod knob setting element, and two screw rod knob setting element one end pierces through the shell of the cylinder device body extends to casing internal connection and has the arc sliding door, be equipped with on the arc sliding door and pull the handle.

Furthermore, the material inlet and outlet is provided with an arc-shaped movable groove, arc-shaped clamping grooves are symmetrically arranged on the groove walls of two sides of the arc-shaped movable groove, and the two arc-shaped clamping grooves are connected with the arc-shaped sliding door in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

one of the two driving motors are reversely driven by the crushing device to drive the roller device body and the crushing stirring rod body assembly to reversely rotate simultaneously, so that the crushing power is improved, and a plurality of sharp bumps in the roller device body are matched with the first multi-fold structure cutting blade, the second multi-fold structure cutting blade and the spiral cutting blade on the crushing stirring rod body assembly to work simultaneously, so that the raw materials are crushed in a diversity manner, the raw material crushing effect is improved, meanwhile, the raw materials are crushed more thoroughly by utilizing the double rotation, the residual materials in the crushing process are reduced, the crushing efficiency is improved better, and the manual cleaning time is shortened;

and secondly, the utility model discloses a reducing mechanism is through the mounting means of business turn over material mouth on the cylinder device body, after smashing the completion, directly pours half closed arc wall into with the raw materials after smashing through business turn over material mouth and collects, then directly adds new raw materials in business turn over material mouth and carry out crushing work, comparatively quick help staff's feeding and ejection of compact work to easy operation is convenient, has saved manpower and operating time.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the crushing and stirring rod assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the gear protection cover device of the present invention;

FIG. 4 is a schematic view of the internal structure of the drum device according to the present invention;

fig. 5 is the structure diagram of the material inlet and outlet of the utility model.

Reference numerals: 1-roller device body, 1 a-sharp lug, 1 b-annular sealing box, 11-first driving motor, 11 a-first support frame, 11 b-first transmission shaft body, 11b-1 transmission gear, 12-second driving motor, 12 a-second support frame, 12 b-second transmission shaft body, 12 b-1-first ball bearing, 12 b-2-second ball bearing, 13-gear working protective cover device, 13 a-transmission connecting disc, 13 b-annular gear sleeve, 13 b-1-annular track tooth, 13 b-2-reverse gear, 14-material inlet and outlet, 14 a-arc sliding door, 14 a-1-towing handle, 14 b-arc movable groove, 14 b-1-arc clamping groove, 14 c-a screw knob positioning piece, 15-a crushing and stirring rod body component, 15 a-a frame body support, 15 a-1-a first supporting connecting rod, 15 a-2-a second supporting connecting rod, 15 b-a spiral cutting piece, 15 c-a first multi-fold structure cutting piece, 15 d-a second multi-fold structure cutting piece, 2-a fixed supporting plate body, 3-a supporting platform plate, 4-a spring damping component, 5-a supporting base plate, 6-a semi-closed arc-shaped groove, 7-a control panel and 71-a supporting rod.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 in greater detail, a hot melt adhesive raw material pulverizing device comprises a roller device body 1, wherein two ends of the roller device body 1 are rotatably connected with fixed supporting plate bodies 2, one end of each of the two fixed supporting plate bodies 2 away from the roller device body 1 is respectively provided with a first driving motor 11 and a second driving motor 12, the lower end of the first driving motor 11 is fixed with a first supporting frame 11a, the bottom of the first supporting frame 11a is fixed with a supporting platform plate 3 through bolts, two ends of the bottom of the supporting platform plate 3 are symmetrically provided with supporting base plates 5, a spring damping assembly 4 is arranged between the upper end surfaces of the two supporting base plates 5 and the bottom of the supporting platform plate 3, the lower end of the second driving motor 12 is fixed with a second supporting frame 12a, one side of the second supporting frame 12a away from the roller device body 1 is provided with a control panel 7, the lower extreme of control panel 7 is fixed with bracing piece 71, just second support frame 12a with the bottom of bracing piece 71 is fixed in through the bolt respectively on the supporting platform board 3. In the embodiment, the control panel 7 is used for controlling the operation of the first driving motor 11 and the second driving motor 12, and the rotation connection between the roller device body 1 and the two fixed supporting plates 2 is used for realizing the rotation of the roller device body 1, so that the spring damping assembly 4 is used for performing good damping effect on the whole device during operation.

Please refer to fig. 1-3, a crushing and stirring rod assembly 15 is disposed inside the drum device body 1, the crushing and stirring rod assembly 15 includes a frame support 15a, a first support link 15a-1 and a second support link 15a-2 are symmetrically welded in a frame of the frame support 15a, a first multi-fold structure cutting piece 15c is fixed on one side of the first support link 15a-1 and a frame body at an edge of the frame support 15a through bolts, a second multi-fold structure cutting piece 15d is fixed on one side of the second support link 15a-2 away from the first multi-fold structure cutting piece 15c and the frame body at the edge of the frame support 15a through bolts, an output end of the second driving motor 12 is connected with a second transmission shaft 12b, and one end of the second transmission shaft 12b away from the second driving motor 12 sequentially penetrates through a housing of the drum device body 1 and two frame bodies of the frame support 15a The middle of the end frame body extends to the inner shell of the roller device body 1, the middle of the two end frame bodies of the frame body support 15a and the second transmission shaft body 12b are fixedly connected in a ring sleeve mode, the connection mode is bolt fixing, a first ball bearing 12b-1, a spiral cutting piece 15b and a second ball bearing 12b-2 are sequentially arranged on the shaft body of the second transmission shaft body 12b from the output end of the second driving motor 12 to the inner portion of the roller device body 1, and the spiral cutting piece 15b is located between the two end frame bodies of the frame body support 15 a. In this embodiment, through the spiral cutting piece 15b on the first multifold structure cutting piece 15c and the second multifold structure cutting piece 15d cooperation second transmission axis body 12b on the frame support 15a, the variety cutting of raw materials is smashed, the kibbling effect has been promoted, and realized smashing stirring rod body subassembly 15 and the drive of the cylinder device body 1 utilization first driving motor 11 and second driving motor 12 through first ball bearing 12b-1 and second transmission axis body 12b under, reverse rotation carries out, the residue when having reduced the raw materials and smashing.

Referring to fig. 1 again, the lower end of the drum device body 1 is provided with a semi-closed arc-shaped groove 6, the semi-closed arc-shaped groove 6 is of a large and small head structure, the vertical height of the large end of the semi-closed arc-shaped groove 6 and the supporting platform plate 3 is higher than the height of the small end of the semi-closed arc-shaped groove 6, and the two side shells of the large end of the semi-closed arc-shaped groove 6 and the side walls of the two fixed supporting plate bodies 2 are fixed by bolts respectively. In this embodiment, through the big or small head structure of semi-closed arc wall 6 to big head end is higher than the design of little head end, has realized that the raw materials after smashing can be better by the collection.

Please refer to fig. 1 and 3, an output end of the first driving motor 11 is connected with a first transmission shaft 11b, the first transmission shaft 11b is connected with a gear work protection cover device 13 in a penetrating manner, the gear work protection cover device 13 is in a half-and-half detachable manner, the gear work protection cover device 13 is fixed with a fixed support plate 2 at one end of the drum device body 1 far away from the second driving motor 12 through bolts, a transmission connection plate 13a is arranged in the gear work protection cover device 13, a ring gear sleeve 13b is welded on a shell at one end of the transmission connection plate 13a close to the first driving motor 11, ring track teeth 13b-1 are arranged on an inner wall of the ring gear sleeve 13b, and reverse gears 13b-2 are meshed one by one on an inner ring tooth of the ring track teeth 13b-1, the plurality of reverse gears 13b-2 are fixed on the transmission connecting disc 13a one by one through bearings, the transmission connecting disc 13a is fixedly connected with the shell of the roller device body 1 through bolts, one end, far away from the first driving motor 11, of the first transmission shaft body 11b is provided with a transmission gear 11b-1, and the transmission gear 11b-1 is located among the plurality of reverse gears 13b-2 and meshed in a surrounding mode. In the embodiment, the gear is well protected during installation by the semi-detachable type of the gear working protective cover device 13, the gear can be conveniently detached when maintenance is needed, and the circular track teeth 13b-1 and the transmission connecting disc 13a are driven to reversely rotate when the transmission gear 11b-1 on the first transmission shaft body 11b drives the plurality of reverse gears 13b-2 to rotate, so that the roller device body 1 is driven to rotate.

Please refer to fig. 4, wherein the inner housings at two ends of the roller device body 1 are symmetrically provided with annular sealing boxes 1b, the first ball bearing 12b-1 and the second ball bearing 12b-2 are respectively and correspondingly clamped in the two annular sealing boxes 1b, the inner wall of the roller device body 1 is provided with sharp protrusions 1a one by one, and the sharp protrusions 1a and the inner wall of the roller device body 1 are fixed by bolts. In the present embodiment, the roller device body 1 is well sealed by the two annular seal cases 1b, the first ball bearing 12b-1 and the second ball bearing 12b-2 are also well protected, and the plurality of sharp protrusions 1a on the inner wall of the roller device body 1 help the crushing work to be further strengthened.

Please refer to fig. 1 and 5, a material inlet and outlet 14 is disposed on an outer wall of the roller device body 1, screw knob positioning members 14c are disposed on two sides of the material inlet and outlet 14, one end of each of the two screw knob positioning members 14c penetrates through a housing of the roller device body 1 and extends into the housing, an arc sliding door 14a is connected to the inside of the housing, a dragging handle 14a-1 is disposed on the arc sliding door 14a, the material inlet and outlet 14 includes an arc movable groove 14b, arc clamping grooves 14b-1 are symmetrically disposed on two side walls of the arc movable groove 14b, and the two arc clamping grooves 14b-1 are slidably connected to the arc sliding door 14 a. In this embodiment, the arc-shaped sliding door 14a is matched with the arc-shaped clamping grooves 14b-1 on two sides of the arc-shaped movable groove 14b, and then the dragging handle 14a-1 on the arc-shaped sliding door 14a is utilized, so that the material inlet and outlet 14 is quickly and conveniently opened and closed, the arc-shaped sliding door 14a is well fixed by the two screw knob positioning pieces 14, the random sliding of the arc-shaped sliding door is prevented, and the danger and the inconvenience are reduced.

The utility model discloses a concrete operation as follows:

firstly, under the condition of switching on the power supply, opening an arc-shaped sliding door 14a on a feeding and discharging port 14, putting raw materials into the interior of a roller device body 1, then closing the arc-shaped sliding door 14a, fixing the arc-shaped sliding door 14a through two screw knob positioning pieces 14, after the fixation is confirmed, controlling the work of a first driving motor 11 and a second driving motor 12 through a control panel 7 to enable the first driving motor 11 to rotate to drive a first transmission shaft body 11b and a transmission gear 11b-1 to rotate, then utilizing a plurality of reverse gears 13b-2 meshed with the transmission gear 11b-1 to rotate, then utilizing an annular gear sleeve 13b meshed with the plurality of reverse gears 13b-2 to rotate, and utilizing a transmission connecting disc 13a welded with the annular gear sleeve 13b to rotate, wherein the transmission connecting disc 13a is fixed on the roller device body 1, thereby driving the drum device body 1 to rotate;

the second driving motor 12 is driven by the control panel 7 to drive the second transmission shaft body 12b to rotate, and meanwhile, the first ball bearing 12b-1, the spiral cutting blade 15b and the second ball bearing 12b-2 which are connected with the second transmission shaft body 12b, and the frame body support 15a on the crushing and stirring rod body assembly 15 and the roller device body 1 rotate reversely;

when the roller device body 1 and the frame support 15a rotate reversely, the plurality of sharp projections 1a on the inner wall of the roller device body 1 cooperate with the first multi-fold structure cutting blade 15c and the second multi-fold structure cutting blade 15d on the frame support 15a and the spiral cutting blade 15b on the second transmission shaft body 12b to simultaneously perform reverse rotation crushing cutting work;

after the crushing work is finished, the stop device of the control panel 7 is used for working, when the crushing work is stopped, the material inlet and outlet are required to face the direction of the semi-closed arc-shaped groove 6, then the arc-shaped sliding door 14a on the material inlet and outlet 14 is opened after the two screw knob positioning parts 14 are unscrewed, the arc-shaped sliding door 14a is fixed by the two screw knob positioning parts 14 again, and the raw materials can fall into the semi-closed arc-shaped groove 6 for collection.

The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.

Claims

1. The utility model provides a hot melt adhesive raw materials reducing mechanism, including the cylinder device body (1), its characterized in that: the roller device is characterized in that the two ends of the roller device body (1) are rotatably connected with fixed supporting plate bodies (2), one ends, far away from the roller device body (1), of the two fixed supporting plate bodies (2) are respectively provided with a first driving motor (11) and a second driving motor (12), the lower end of the first driving motor (11) is fixedly provided with a first supporting frame (11 a), the bottom of the first supporting frame (11 a) is fixedly provided with a supporting platform plate (3) through bolts, the two ends of the bottom of the supporting platform plate (3) are symmetrically provided with supporting base plates (5), and a spring damping assembly (4) is arranged between the upper end faces of the two supporting base plates (5) and the bottom of the supporting platform plate (3);

a second support frame (12 a) is fixed at the lower end of the second driving motor (12), a control panel (7) is arranged on one side, away from the roller device body (1), of the second support frame (12 a), a support rod (71) is fixed at the lower end of the control panel (7), and the bottoms of the second support frame (12 a) and the support rod (71) are respectively fixed on the support platform plate (3) through bolts;

a crushing and stirring rod body assembly (15) is arranged inside the roller device body (1), the crushing and stirring rod body assembly (15) comprises a frame body support (15 a), a first support connecting rod (15 a-1) and a second support connecting rod (15 a-2) are symmetrically welded in a frame body of the frame body support (15 a), a first multi-fold structure cutting piece (15 c) is fixed on one side of the first support connecting rod (15 a-1) and the frame body at the edge of the frame body support (15 a) through bolts, and a second multi-fold structure cutting piece (15 d) is fixed on one side, away from the first multi-fold structure cutting piece (15 c), of the second support connecting rod (15 a-2) and the frame body at the edge of the frame body support (15 a) through bolts;

the lower extreme of the roller device body (1) is equipped with semi-closed arc wall (6), semi-closed arc wall (6) are big end structure, the major part end of semi-closed arc wall (6) with the vertical height of supporting platform board (3) is higher than the height of the minor part end of semi-closed arc wall (6), just the both sides casing and two of the major part end of semi-closed arc wall (6) the lateral wall of fixed stay plate body (2) passes through the bolt fastening respectively.

2. The hot melt adhesive raw material pulverizing apparatus according to claim 1, characterized in that: the output of first driving motor (11) is connected with first transmission axis body (11 b), first transmission axis body (11 b) through connection has gear work protection casing device (13), gear work protection casing device (13) are half detachable, just gear work protection casing device (13) with the cylinder device body (1) is kept away from pass through the bolt fastening on the fixed stay plate body (2) of second driving motor (12) one end.

3. The hot melt adhesive raw material pulverizing apparatus according to claim 2, characterized in that: be equipped with transmission connection pad (13 a) in gear work protection casing device (13), transmission connection pad (13 a) are close to the welding has annular gear cover (13 b) on the one end casing of first driving motor (11), be equipped with annular track tooth (13 b-1) on the inner wall of annular gear cover (13 b), meshing one by one is connected with reversing gear (13 b-2) on the internal ring tooth of annular track tooth (13 b-1), and is a plurality of reversing gear (13 b-2) are fixed one by one through the bearing on transmission connection pad (13 a), just transmission connection pad (13 a) with the shell of the cylinder device body (1) passes through bolt fixed connection.

4. The hot melt adhesive raw material pulverizing apparatus according to claim 3, characterized in that: one end, far away from the first driving motor (11), of the first transmission shaft body (11 b) is provided with a transmission gear (11 b-1), and the transmission gear (11 b-1) is located among the reverse gears (13 b-2) and meshed in a surrounding mode.

5. The hot melt adhesive raw material pulverizing apparatus according to claim 1, characterized in that: the output of second driving motor (12) is connected with second transmission axis body (12 b), keep away from second transmission axis body (12 b) the one end of second driving motor (12) runs through in proper order the casing of the cylinder device body (1) with the department extends to in the middle of the both ends framework of framework support (15 a) on the inside casing of the cylinder device body (1), just in the middle of the both ends framework of framework support (15 a) with second transmission axis body (12 b) are ring cover fixed connection, and the connected mode is the bolt fastening.

6. The hot melt adhesive raw material pulverizing apparatus according to claim 5, characterized in that: and a first ball bearing (12 b-1), a spiral cutting piece (15 b) and a second ball bearing (12 b-2) are sequentially arranged from the output end of the second driving motor (12) to the inside of the roller device body (1) on the shaft body of the second transmission shaft body (12 b), and the spiral cutting piece (15 b) is positioned between the frame bodies at the two ends of the frame body support (15 a).

7. The hot melt adhesive raw material pulverizing apparatus according to claim 6, characterized in that: annular sealing boxes (1 b) are symmetrically arranged on the inner shells at the two ends of the roller device body (1), and the first ball bearing (12 b-1) and the second ball bearing (12 b-2) are correspondingly clamped in the two annular sealing boxes (1 b) respectively.

8. The hot melt adhesive raw material pulverizing apparatus according to claim 1, characterized in that: the roller device is characterized in that sharp bumps (1 a) are arranged on the inner wall of the roller device body (1) one by one, and the sharp bumps (1 a) are fixed with the inner wall of the roller device body (1) through bolts.

9. The hot melt adhesive raw material pulverizing apparatus according to claim 1, characterized in that: be equipped with on the outer wall of the cylinder device body (1) and advance discharge gate (14), the both sides of advancing discharge gate (14) are equipped with screw knob setting element (14 c), and two screw knob setting element (14 c) one end pierces through the shell of the cylinder device body (1) extends to casing internal connection and is connected with arc sliding door (14 a), be equipped with on arc sliding door (14 a) and pull handle (14 a-1).

10. The hot melt adhesive raw material pulverizing apparatus according to claim 9, characterized in that: the feeding and discharging port (14) comprises arc-shaped movable grooves (14 b), arc-shaped clamping grooves (14 b-1) are symmetrically arranged on the groove walls on two sides of each arc-shaped movable groove (14 b), and the two arc-shaped clamping grooves (14 b-1) are in sliding connection with the arc-shaped sliding door (14 a).