CN221268470U - Resin insulation powder pulverizer - Google Patents

Abstract

The utility model discloses a resin insulation powder pulverizer, which comprises a support frame, wherein a feed hopper is arranged above the support frame, a discharge hole is arranged below the support frame, a pulverizing bin is arranged in the middle of the support frame, the upper part of the pulverizing bin is communicated with the feed hopper, the lower part of the pulverizing bin is communicated with the discharge hole, a primary pulverizing mechanism, a secondary pulverizing mechanism and a tertiary pulverizing mechanism are sequentially arranged in the pulverizing bin from top to bottom, the primary pulverizing mechanism comprises a first extruding roller and a second extruding roller which are symmetrically arranged from top to bottom, the secondary pulverizing mechanism comprises a first knife roller and a second knife roller which are symmetrically arranged from top to bottom, the tertiary pulverizing mechanism comprises a third extruding roller and a fourth extruding roller which are symmetrically arranged from top to bottom, and the distance between the third extruding roller and the fourth extruding roller is smaller than the distance between the first extruding roller and the second extruding roller. The present approach may help ensure a more consistent particle size and quality of the final powder product through a multi-stage process.

Description

Resin insulation powder pulverizer

Technical Field

The utility model belongs to the technical field of resin insulation powder production, and particularly relates to a resin insulation powder pulverizer.

Background

Resin insulation powder is generally a material used in the electronic, electrical and power industries for insulating and protecting powder coatings of wires, cables and electronic components. These powders are generally made of resin materials such as epoxy resin, urethane resin, acrylic resin, and the like. Their primary function is to provide electrical insulation, prevent electrical contact between wires and cables, and prevent shorting and other electrical problems. The resin insulation powder needs to be crushed in the production process.

The chinese patent of application number 2021220298108 discloses an insulating powder soaks moulds production line, including base, crushing mechanism, feed mechanism and transport mechanism, the right side at base top is provided with crushing mechanism, the left side at base top is provided with feed mechanism, the right side of base is provided with transport mechanism, crushing mechanism includes crushing case, crushing motor, crushing pivot, crushing blade, screen cloth, discharge gate, movable groove, telescopic link, flitch, reset spring, electric putter, push pedal and feeder hopper. Through smashing motor, smashing pivot, crushing blade, screen cloth, discharge gate, movable groove, telescopic link, flitch, reset spring, electric putter, push pedal and feeder hopper mutually support, solved the relatively poor problem of common insulating powder dipping plastic production line ejection of compact effect, when the ejection of compact for insulating powder can be quick discharge through the discharge gate, thereby avoid causing the jam of discharge gate, thereby greatly improved insulating powder dipping plastic production line's production efficiency.

In the above patent, when the insulating powder is crushed, the crushing blade is driven by the crushing rotating shaft to crush the powder, but when the raw material of the insulating powder is in contact with the crushing blade, the raw material of all the insulating powder is difficult to uniformly crush when the crushing blade is crushed due to the problem of uneven distribution.

Disclosure of utility model

In order to solve the problems, the utility model provides a resin insulation powder pulverizer, which comprises a supporting frame, wherein a feeding hopper is arranged above the supporting frame, a discharge hole is arranged below the supporting frame, a pulverizing bin is arranged in the middle of the supporting frame, the upper part of the pulverizing bin is communicated with the feeding hopper, the lower part of the pulverizing bin is communicated with the discharge hole, a primary pulverizing mechanism, a secondary pulverizing mechanism and a tertiary pulverizing mechanism are sequentially arranged in the pulverizing bin from top to bottom, the primary pulverizing mechanism comprises a first extruding roller and a second extruding roller which are symmetrically arranged from top to bottom, the secondary pulverizing mechanism comprises a first knife roller and a second knife roller which are symmetrically arranged from top to bottom, the tertiary pulverizing mechanism comprises a third extruding roller and a fourth extruding roller which are symmetrically arranged from top to bottom, and the distance between the third extruding roller and the fourth extruding roller is smaller than the distance between the first extruding roller and the second extruding roller.

Preferably, the roll shafts of the first extrusion roll and the second extrusion roll extend outwards and are respectively connected with a first transmission gear and a second transmission gear, the first transmission gear is meshed with the second transmission gear, the roll shafts of the third extrusion roll and the fourth extrusion roll extend outwards and are respectively connected with a third transmission gear and a fourth transmission gear, the third transmission gear is meshed with the fourth transmission gear, a driving gear is arranged on the side edge of the supporting frame, and one side of the driving gear is meshed with the first transmission gear and the third transmission gear.

Preferably, the first knife roller comprises a first roller shaft, a plurality of first rotary blades are uniformly arranged on the first roller shaft along the axial direction, the second knife roller comprises a second roller shaft, a plurality of second rotary blades are uniformly arranged on the second roller shaft along the axial direction, and the first rotary blades and the second rotary blades are staggered.

Preferably, the first squeeze roll comprises a squeeze roll shaft (20) and a roller arranged on the outer side of the squeeze roll shaft (20), and a spiral heating resistance wire is arranged in the squeeze roll shaft (20).

Preferably, the bottom of the discharge hole is provided with an inclined conveying ramp.

The utility model has the advantages that:

1. Through multistage crushing mechanism in this scheme, including one-level, second grade and tertiary crushing mechanism, crushing extrusion through one-level crushing mechanism can make raw and other materials more even, and the cutting of second grade crushing mechanism smashes the size that can further adjust control granule, and tertiary crushing mechanism can further refine the granularity of powder through less interval, and the crushing mechanism of every level all has different designs and functions, can accelerate crushing process, improves production efficiency.

2. The primary crushing mechanism and the tertiary crushing mechanism in the scheme all adopt the same power source, so that the coordination of the crushing process is ensured.

3. This scheme adds heliciform heating resistance silk in the inside of the roller of the squeeze roller of one-level crushing mechanism, can provide the heating to the squeeze roller before the extrusion, can heat the powder raw and other materials when the extrusion for the powder raw and other materials become dry, avoid smashing the back and take place to reunite

Drawings

Fig. 1 is an overall external structural view of the present utility model.

FIG. 2 is a view showing the construction of the inside of the pulverizing bin according to the present utility model.

FIG. 3 is a block diagram of the secondary pulverizing mechanism of the present utility model.

Fig. 4 is a schematic view of the gear transmission structure of the present utility model.

FIG. 5 is a schematic view of the heating resistance wires inside the squeeze roll shaft of the present utility model.

In the figure: 1 a supporting frame, 2a feeding funnel, 3a discharge hole, 4 a crushing bin, 5 a first extrusion roller, 6 a second extrusion roller, 7 a first knife roller, 8 a second knife roller, 9 a third extrusion roller, 10 a fourth extrusion roller, 11 a first transmission gear, 12 a second transmission gear, 13 a third transmission gear, 14 a fourth transmission gear, 15 a driving gear, 16 a first roller shaft, 17 a first rotary blade, 18 a second roller shaft, 19 a second rotary blade, 20 extrusion roller shafts, 21 heating resistance wires and 22 a conveying slope.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. Meanwhile, when an element is referred to as being "fixed" or "disposed" on another element, it may be directly on the other element or intervening elements may be present. 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. When an element is referred to as being "fixedly connected to" another element, it can be conventionally connected by welding or bolting or gluing. In summary, it will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this disclosure is to be understood in a specific sense.

Example 1

As shown in fig. 1-4, a resin insulation powder pulverizer comprises a supporting frame 1, a feeding funnel 2 is arranged above the supporting frame 1, a discharge hole 3 is arranged below the supporting frame 1, an inclined material conveying slope 22 is arranged at the bottom of the discharge hole 3, a pulverizing bin 4 is arranged in the middle of the supporting frame 1, the feeding funnel 2 is communicated with the upper part of the pulverizing bin 4, the feeding funnel 2 and the discharge hole 3 are communicated with the lower part of the pulverizing bin 4, the raw materials are put in more conveniently due to the design of the feeding funnel 2 and the discharge hole 3, the operation convenience is improved, and the inclined material conveying slope 22 can help effectively discharge powder from the discharge hole 3, so that dust generation is reduced.

In combination with fig. 2, a first-stage crushing mechanism, a second-stage crushing mechanism and a third-stage crushing mechanism are sequentially arranged in the crushing bin 4 from top to bottom, the first-stage crushing mechanism comprises a first extrusion roller 5 and a second extrusion roller 6 which are arranged in a bilateral symmetry manner, the second-stage crushing mechanism comprises a first knife roller 7 and a second knife roller 8 which are arranged in a bilateral symmetry manner, the third-stage crushing mechanism comprises a third extrusion roller 9 and a fourth extrusion roller 10 which are arranged in a bilateral symmetry manner, and the distance between the third extrusion roller 9 and the fourth extrusion roller 10 is smaller than the distance between the first extrusion roller 5 and the second extrusion roller 6.

After the powder raw material enters the crushing bin 4, the powder raw material is extruded and crushed between the first extrusion roller 5 and the second extrusion roller 6, and the size of particles can be effectively reduced through extrusion of the extrusion rollers, so that the powder raw material is more uniform and compact. Meanwhile, the possibility of voids and air being trapped in the particles can be reduced by extrusion of the extrusion roller, so that the density of the particles is improved. After passing between the first squeeze roller 5 and the second squeeze roller 6, the powder raw material enters a secondary pulverizing mechanism. In combination with fig. 3, the secondary crushing mechanism is composed of a first cutter roller 7 and a second cutter roller 8 which are symmetrically arranged left and right, the first cutter roller 7 comprises a first roller shaft 16, a plurality of first rotary blades 17 are uniformly arranged on the first roller shaft 16 along the axial direction, the second cutter roller 8 comprises a second roller shaft 18, a plurality of second rotary blades 19 are uniformly arranged on the second roller shaft 18 along the axial direction, the plurality of first rotary blades 17 and the plurality of second rotary blades 19 are arranged in a staggered manner, the powder raw materials are cut and crushed through the rotary blades, the raw materials can be crushed into smaller particles, and the uniformity of the particles are ensured. After the powder raw material passes through the first knife roller 7 and the second knife roller 8, the powder raw material enters between the third extrusion roller 9 and the fourth extrusion roller 10, and the size of particles can be further reduced through re-extrusion, the density and consistency of the particles are improved, and the distance between the third extrusion roller 9 and the fourth extrusion roller 10 is smaller than the distance between the first extrusion roller 5 and the second extrusion roller 6. This stage helps to further improve the refinement and uniformity of the particles. After being crushed by the three-stage crushing mechanism, the powder raw materials enter an inclined conveying ramp 22 through a discharge hole 3 below a crushing bin 4 and are then collected.

Referring to fig. 4, the shafts of the first squeeze roller 5 and the second squeeze roller 6 extend outwards and are respectively connected with a first transmission gear 11 and a second transmission gear 12, the first transmission gear 11 is meshed with the second transmission gear 12, the shafts of the third squeeze roller 9 and the fourth squeeze roller 10 extend outwards and are respectively connected with a third transmission gear 13 and a fourth transmission gear 14, the third transmission gear 13 is meshed with the fourth transmission gear 14, a driving gear 15 is arranged on the side edge of the support frame 1, and one side of the driving gear 15 is meshed with the first transmission gear 11 and the third transmission gear 13.

When the driving gear 15 rotates counterclockwise, the first transmission gear 11 and the third transmission gear 13 are driven to rotate clockwise, and at the same time, the second transmission gear 12 and the fourth transmission gear 14 rotate counterclockwise. Therefore, when the powder material is crushed, the first and second squeeze rollers 5 and 6 and the third and fourth squeeze rollers 9 and 10 are rotated at the same time and at the same time, so that the uniform rotation ensures that all squeeze rollers and crushing rollers participate in the crushing process at the same speed, thereby improving the uniformity and consistency of the powder. This helps to ensure uniform particle size and shape distribution of the final product.

This embodiment is through multistage crushing mechanism, including one-level, second grade and tertiary crushing mechanism, crushing extrusion through one-level crushing mechanism can make raw and other materials more even, and the cutting of second grade crushing mechanism is smashed and to be adjusted the size of control granule, and tertiary crushing mechanism can further refine the granularity of powder through less interval, and the crushing mechanism of every level all has different designs and functions, can accelerate crushing process, improves production efficiency

Example 2

Referring to fig. 5, this embodiment has the same parts as embodiment 1 except that a heating resistance wire 21 is provided in the squeeze roller shaft 20 of the first squeeze roller 5, and includes the squeeze roller shaft 20 and a roller provided outside the squeeze roller shaft 20, and a spiral heating resistance wire 21 is provided inside the squeeze roller shaft 20. The spiral heating resistance wire 21 can heat the squeeze roller 20, and heat can be transferred to the roller through the squeeze roller 2020 and then to the passing insulating powder through the roller. By heating the extrusion roller before extrusion, the powder raw material can be heated during extrusion, so that the powder raw material becomes dry, and agglomeration after crushing is avoided.

In this embodiment, the heating resistance wire 21 may be installed in the other squeeze rolls except the first squeeze roll 5, thereby increasing the heating effect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A resin insulation powder pulverizer, characterized by: including support frame (1), the top of support frame (1) is equipped with feed hopper (2), the below of support frame (1) is equipped with discharge gate (3), the centre of support frame (1) is equipped with crushing storehouse (4), the top intercommunication feed hopper (2) of crushing storehouse (4), the below intercommunication discharge gate (3) of crushing storehouse (4), from last one-level crushing mechanism, second grade crushing mechanism and the tertiary crushing mechanism of being equipped with down in proper order in crushing storehouse (4), first squeeze roll (5) and second squeeze roll (6) that the one-level crushing mechanism set up including bilateral symmetry, second grade crushing mechanism includes first knife roll (7) and second knife roll (8) that bilateral symmetry set up, third crushing mechanism includes third squeeze roll (9) and fourth squeeze roll (10) that bilateral symmetry set up, interval between third squeeze roll (9) and fourth squeeze roll (10) is less than the interval between first squeeze roll (5) and the second squeeze roll (6).

2. The resin insulation powder shredder according to claim 1, wherein: the novel extrusion device is characterized in that the roll shafts of the first extrusion roll (5) and the second extrusion roll (6) extend outwards and are respectively connected with a first transmission gear (11) and a second transmission gear (12), the first transmission gear (11) is meshed with the second transmission gear (12), the roll shafts of the third extrusion roll (9) and the fourth extrusion roll (10) extend outwards and are respectively connected with a third transmission gear (13) and a fourth transmission gear (14), the third transmission gear (13) is meshed with the fourth transmission gear (14), a driving gear (15) is arranged on the side edge of the support frame (1), and one side of the driving gear (15) is meshed with the first transmission gear (11) and the third transmission gear (13).

3. The resin insulation powder shredder according to claim 2, wherein: the first knife roll (7) comprises a first roll shaft (16), a plurality of first rotary blades (17) are uniformly arranged on the first roll shaft (16) along the axial direction, the second knife roll (8) comprises a second roll shaft (18), a plurality of second rotary blades (19) are uniformly arranged on the second roll shaft (18) along the axial direction, and a plurality of first rotary blades (17) and a plurality of second rotary blades (19) are arranged in a staggered mode.

4. A resin insulation powder shredder according to claim 3, wherein: the first extrusion roller (5) comprises an extrusion roller shaft (20) and a roller arranged on the outer side of the extrusion roller shaft (20), and a spiral heating resistance wire (21) is arranged in the extrusion roller shaft (20).

5. The resin insulation powder shredder according to claim 4, wherein: the bottom of the discharge hole (3) is provided with an inclined conveying ramp (22).