CN217989446U

CN217989446U - Tablet crusher for powder coating

Info

Publication number: CN217989446U
Application number: CN202221748594.0U
Authority: CN
Inventors: 廖叶根; 李嘉诚; 卢丽
Original assignee: Deqing County Jinqiu Plastic Powder Co ltd
Current assignee: Deqing County Jinqiu Plastic Powder Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-09
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a powder coating is with pressing piece rubbing crusher, including the casing, set up in first compression roller in the casing, set up in first compression roller upper right side be used for with first compression roller cooperation extruded second compression roller, set up in first compression roller right side below be used for with first compression roller cooperation extruded third compression roller, set up in be used for supporting in the casing first the first supporting element of first compression roller, set up in be used for supporting in the casing the second supporting element of second compression roller, set up in be used for supporting in the casing the third supporting element of third compression roller, set up in the feed inlet on casing top, set up in the discharge gate of casing bottom, first supporting element horizontal slip set up in inside the casing. This rubbing crusher adjusts the clearance between first compression roller and second compression roller, the third compression roller through the first supporting element of horizontal slip to this satisfies the broken demand of preforming of different materials.

Description

Tablet crusher for powder coating

Technical Field

The utility model relates to a powder coating processing technology field especially relates to a sheet pressing pulverizer for powder coating.

Background

The powder coating is in a completely different form from general coatings, for example, a metallic colored powder coating which exists in a state of fine powder. Since no solvent is used, it is called a powder coating. The powder coating has the main characteristics that: has the characteristics of harmlessness, high efficiency, resource saving and environmental protection.

The production process and production equipment of the powder coating are also different from those of common solvent-based coatings, and the production process of the powder coating generally comprises multiple links of premixing, feeding, melt extrusion, cooling tabletting, grading pulverization and the like. In the prior art, a coating crusher crushes coatings by adopting a crushing method, generally adopts a mode of conveying rollers to convey the coatings, and then presses the coatings at the conveying rollers to crush the coatings.

The patent of application number CN202011345668.1 discloses a preforming extrusion device that production powder coating used, including back extrusion roller and being located the preceding extrusion roller of back extrusion roller preceding top, back extrusion roller with preceding extrusion roller interval sets up and forms the compression clearance that supplies the melting material to flow in and extrude lamellar structure, be formed with the annular protruding piece of interval arrangement about preceding extrusion roller outer tube wall, adjacent two form annular groove between the annular protruding piece. This kind of extrusion device is not very good to material extrusion's effect, and the extrusion clearance of uncontrollable cylinder can't select different compression roller clearances according to the material kind in the pressing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a powder coating is with pressure piece rubbing crusher can slide first supporting element at any time, adjusts the clearance between the compression roller.

In order to achieve the above purpose, the utility model provides a technical scheme as follows: the utility model provides a powder coating is with pressure piece rubbing crusher, including the casing, set up in first compression roller in the casing, set up in first compression roller upper right side be used for with first compression roller cooperation extruded second compression roller, set up in first compression roller right side below be used for with first compression roller cooperation extruded third compression roller, set up in be used for supporting in the casing first support unit of first compression roller, set up in the feed inlet on casing top, set up in the discharge gate of casing bottom, first support unit horizontal slip set up in inside the casing.

Preferably, a guide cylinder for guiding the material to the extrusion position of the first pressing roller and the second pressing roller is arranged below the feeding hole.

Preferably, the surface of the first compression roller is provided with a protruding structure for extruding and crushing materials, and the surfaces of the second compression roller and the third compression roller are provided with groove structures matched with the protruding structure.

Preferably, the raised structures are distributed on the surface of the first compression roller in a matrix form.

Preferably, the first supporting unit comprises two sliding blocks, two supporting rods arranged above the two sliding blocks respectively, and a roller shaft with two ends rotatably connected with the top ends of the two supporting rods respectively, the first pressing roller is sleeved outside the roller shaft, a sliding groove is formed in the bottom of the shell, and the sliding blocks are arranged in the sliding groove in a sliding manner.

Preferably, the sliding block is of an I-shaped structure.

Preferably, the adjusting unit for adjusting the position of the first pressing roller is arranged in the shell and comprises a fixed block arranged on the inner side wall of the shell, two transmission rods arranged between the two support rods, and a screw rod rotatably connected with the transmission rods at the right end, the fixed block penetrates through a screw hole matched with the screw rod, and the left end of the screw rod penetrates through the screw hole and extends to the outer side of the shell.

Preferably, the left end of the screw is provided with a steering wheel.

Preferably, the side wall of the screw is provided with a limiting block.

Preferably, the first compression roller, the second compression roller and the third compression roller are internally provided with refrigerators for cooling.

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

1. the utility model provides a pair of tablet rubbing crusher for powder coating through the first supporting element of horizontal slip, adjusts the clearance between first compression roller and second compression roller, the third compression roller to this satisfies the broken demand of preforming of different materials.

2. The utility model provides a pair of sheet pressing pulverizer for powder coating adjusts the position of first compression roller through the regulating unit, realizes the accurate control to the clearance between the compression roller.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are illustrative of some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

FIG. 1 is a schematic front view of a crushing mill for powder coating in an embodiment of the present invention;

FIG. 2 is a schematic side view of a first supporting unit of a crushing mill for powder coating in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a front view of a part of a crushing mill for powder coating in an embodiment of the present invention;

fig. 4 is a schematic surface structure diagram of a first pressing roller of a tablet crusher for powder coating in an embodiment of the present invention.

In the figure: 1. a housing; 2. a first supporting unit; 3. a second supporting unit; 4. a third supporting unit; 5. a feed inlet; 6. a discharge port; 7. a guide cylinder; 8. an adjustment unit; 101. a first press roll; 102. a second press roll; 103. a third press roll; 104. a chute; 201. a slider; 202. a support bar; 203. a roll shaft; 801. a fixed block; 802. a transmission rod; 803. a screw; 804. a screw hole; 805. a steering wheel; 806. and a limiting block.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following description will refer to the accompanying drawings to describe specific embodiments of the present invention. It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings and embodiments can be made by those skilled in the art without undue burden. The designation of the design orientation merely indicates the relative positional relationship between the respective members, not the absolute positional relationship.

The specific embodiment is as follows:

referring to fig. 1 to 3, in the present embodiment, a tablet crusher for powder coating includes a housing 1, a first pressing roller 101 disposed in the housing 1, a second pressing roller 102 disposed above and on the right of the first pressing roller 101 and configured to cooperate with the first pressing roller 101 for extrusion, a third pressing roller 103 disposed below and on the right of the first pressing roller 101 and configured to cooperate with the first pressing roller 101 for extrusion, a first supporting unit 2 disposed in the housing 1 and configured to support the first pressing roller 101, a second supporting unit 3 disposed in the housing 1 and configured to support the second pressing roller 102, a third supporting unit 4 disposed in the housing 1 and configured to support the third pressing roller 103, a feeding port 5 disposed at the top end of the housing 1, and a discharging port 6 disposed at the bottom end of the housing 1, where the first supporting unit 2 is disposed inside the housing 1 in a left-right sliding manner.

In the prior art, a driving motor (not shown in the figure) for driving the first press roll 101, the second press roll 102 and the third press roll 103 to rotate is often arranged in the shell 1, so that the materials falling into the gap between the press rolls can be crushed by the press rolls.

Specifically, in this embodiment, the material to be crushed can enter the inside of the housing 1 through the feeding hole 5. In order to make the material smoothly fall into the gap between the press rolls, a guide cylinder 7 may be disposed below the feed port 5, and the material may slide along the guide cylinder 7 to a gap between the first press roll 101 and the second press roll 102. Then through motor drive first compression roller 101 clockwise turning, drive second compression roller 102 anticlockwise rotation for the material gets into gap department along with the compression roller, can carry out the extrusion crushing for the first time to the material. After the crushed material is extruded for the first time, the crushed material can fall into a gap between the first pressing roller 101 and the third pressing roller 103, the third pressing roller 103 is driven to rotate anticlockwise along with the continuous clockwise rotation of the first pressing roller 101, the crushed material can be extruded for the second time by the first pressing roller 101 and the third pressing roller 103, and finally the crushed material falls into the bottom in the shell 1 to be collected. This embodiment can effectively promote the crushing effect of material through twice extrusion.

The second supporting unit 3 and/or the third supporting unit 4 may be fixed on the inner side wall of the housing 1, or may be fixed at the bottom inside the housing 1, that is, it is sufficient to ensure that the second supporting unit 3 and the third supporting unit 4 are fixedly arranged.

In order to further improve the crushing rate of the material, as shown in fig. 4, in this embodiment, the surface of the first pressing roller 101 is provided with a convex structure for extruding the crushed material, and the surfaces of the second pressing roller 102 and the third pressing roller 103 are provided with a concave structure adapted to the convex structure. Set up like this, when the compression roller rotated, protruding structure can imbed inside the groove structure, the material that falls into compression roller clearance department can by protruding structure fully extrudees crushing, and then promotes the crushing rate of material.

The protruding structures are distributed on the surface of the first pressure roller 101 in a matrix manner. The more evenly the protruding structures are distributed, the more evenly the material is extruded.

In this embodiment, the first supporting unit 2 includes two sliding blocks 201, two supporting rods 202 respectively disposed above the two sliding blocks 201, and a roller 203 having two ends rotatably connected to the top ends of the two supporting rods 202, the first pressing roller 101 is sleeved on the outer side of the roller 203, a sliding groove 104 is disposed at the bottom of the casing 1, and the sliding blocks 201 are slidably disposed in the sliding groove 104.

Specifically, as shown in fig. 3, the sliding direction of the sliding groove 104 is a left-right direction, that is, the sliding block 201 can slide left and right in the sliding groove 104, and further drive the supporting rods 202 to slide left and right, and when the two supporting rods 202 are kept to slide left and right synchronously, the first pressing roller 101 can be driven to slide left and right, and further the gap between the pressing rollers can be adjusted. For example, when the sliding block 201 is slid leftward, the first pressing roll 101 may be driven to move leftward, at this time, a distance between the first pressing roll 101 and the second pressing roll 102 becomes larger, and when a material passes through a gap between the first pressing roll 101 and the second pressing roll 102, an extrusion effect becomes weaker, and a pulverization rate becomes smaller. Similarly, the distance between the first pressing roll 101 and the third pressing roll 103 is increased, and when the material passes through the gap between the first pressing roll 101 and the third pressing roll 103, the extrusion effect is weakened, and the crushing rate is reduced. On the contrary, when the slider 201 is slid rightward, the squeezing effect becomes strong and the pulverization rate becomes large. The position of the first pressing roll 101 can be adjusted according to the type of the material or the extrusion requirement, so that different requirements can be met.

Wherein, the slider 201 is an I-shaped structure. The bottom of the sliding block 201 is embedded into the sliding groove 104, and the sliding block 201 can stably slide in the sliding groove 104.

Since the distance between the press rolls tends to be small, precise control of the movement of the first press roll 101 is required. In this embodiment, an adjusting unit 8 for adjusting the position of the first pressing roller 101 is disposed in the casing 1, the adjusting unit 8 includes a fixed block 801 disposed on the inner side wall of the casing 1, a transmission rod 802 disposed between the two support rods 202, and a screw 803 rotationally connected to the transmission rod 802 at the right end, the fixed block 801 is provided with a screw hole 804 matched with the screw 803 in a penetrating manner, and the left end of the screw 803 extends to the outside of the casing 1 through the screw hole 804.

Specifically, the right end of the screw 803 is rotatably connected to the middle of the transmission rod 802, and the transmission rod 802 remains unchanged when the screw 803 is rotated. And the screw 803 is axially parallel to the sliding direction of the sliding chute 104. By rotating the screw 803, the screw 803 can be moved left and right to drive the transmission rod 802 to move left and right, so as to drive the support rod 202 and the first pressing roller 101 to move left and right, thereby realizing accurate control of left and right movement of the first pressing roller 101.

Wherein, the left end of the screw 803 is provided with a steering wheel 805. The steering wheel 805 facilitates rotation of the screw 803.

A limit block 806 is arranged on the side wall of the screw 803. When the first pressing roller 101 is abutted to the second pressing roller 102 or the third pressing roller 103, the limiting block 806 is abutted to the outer side wall of the shell 1, so that the pressing rollers are prevented from being extruded mutually, and the pressing rollers are prevented from being damaged.

Finally, in this embodiment, refrigerators (not shown in the figure) for cooling are disposed inside the first pressing roll 101, the second pressing roll 102, and the third pressing roll 103. Through the refrigerator, the surface temperature of the compression roller can be reduced, and the material is prevented from being adhered to the surface of the compression roller.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended to limit the invention to the specific embodiments thereof. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a crushing mill for powder coating, its characterized in that, including casing (1), set up in first compression roller (101) in casing (1), set up in first compression roller (101) upper right side be used for with first compression roller (101) cooperation extruded second compression roller (102), set up in first compression roller (101) right side below be used for with first compression roller (101) cooperation extruded third compression roller (103), set up in be used for supporting in casing (1) first support element (2) of first compression roller (101), set up in feed inlet (5) on casing (1) top, set up in discharge gate (6) of casing (1) bottom, first support element (2) horizontal slip set up in inside casing (1).

2. The crushing mill for powder coating material according to claim 1, wherein a guide cylinder (7) for guiding the material to the gap between the first pressing roll (101) and the second pressing roll (102) is provided below the feed opening (5).

3. The crushing machine for powder coating according to claim 1, wherein the surface of the first pressing roller (101) is provided with a convex structure for extruding and crushing materials, and the surfaces of the second pressing roller (102) and the third pressing roller (103) are provided with a groove structure matched with the convex structure.

4. The crushing mill for powder coating material according to claim 3, wherein the protrusions are distributed on the surface of the first pressing roll (101) in a matrix form.

5. The crushing machine of claim 1, wherein the first supporting unit (2) comprises two sliding blocks (201), supporting rods (202) arranged on the sliding blocks (201), and a roller shaft (203) with two ends rotatably connected with the top ends of the two supporting rods (202), the first pressing roller (101) is sleeved outside the roller shaft (203), a sliding groove (104) is arranged at the bottom in the shell (1), and the sliding blocks (201) are slidably arranged in the sliding groove (104).

6. The crushing mill for powder coating material according to claim 5, wherein the slide block (201) has an I-shaped structure.

7. The crushing mill for powder coating according to claim 5, wherein an adjusting unit (8) for adjusting the position of the first pressing roll (101) is arranged in the housing (1), the adjusting unit (8) comprises a fixed block (801) arranged on the inner side wall of the housing (1), a transmission rod (802) arranged between the two support rods (202), and a screw (803) rotatably connected with the transmission rod (802) at the right end, the fixed block (801) is provided with a screw hole (804) matched with the screw (803) in a penetrating manner, and the screw (803) sequentially penetrates through the screw hole (804) and the side wall of the housing (1) and extends to the outside of the housing (1).

8. The crushing machine for powder coating material as claimed in claim 7, wherein the screw (803) is provided at its left end with a steering wheel (805).

9. The crushing machine for powder coating according to claim 7, wherein the screw (803) is provided with a stopper (806) on the side wall.

10. The crushing machine for powder coating according to claim 1, wherein the first pressing roll (101), the second pressing roll (102) and the third pressing roll (103) are internally provided with a refrigerator for cooling.