CN211385227U - A waste crusher - Google Patents

Abstract

The utility model discloses a scrap crusher, which relates to the technical field of metallurgical machinery and solves the technical problem of processing and recycling the scrap generated in the powder metallurgy process. Its technical points include a bracket, a casing for accommodating waste for crushing, a feeding port for feeding, a sieve plate for filtering waste powder and arranged in a ring shape, and several channels for crushing the completed waste powder. The through hole that passes through is used for crushing the waste in the crushing chamber into a powdery crushing device, a driving device for driving the crushing device to crush the waste, and an aggregate device for collecting waste powder; the sieve plate The left and right end surfaces of the machine shell are attached to the inner wall of the casing, and the inner wall and the inner wall of the casing are enclosed to form a pulverizing cavity that communicates with the feeding port, and the outer wall and the inner wall of the casing are enclosed to form a ring pulverizing cavity. With the set discharge chamber, the utility model has the advantages that the waste block can be crushed and the dust overflow can be reduced during the crushing process.

Description

A waste crusher

technical field

The utility model relates to the technical field of metallurgical machinery, in particular to a waste crusher.

Background technique

Powder metallurgy is a process technology for preparing metal powder or using metal powder (or a mixture of metal powder and non-metal powder) as raw material, after forming and sintering, to manufacture metal materials, composite materials and various types of products.

In the process of powder metallurgy forming, a large number of reusable wastes are generated. Because the method of molding is usually used to apply a certain pressure to the loose powder in the mold to form it, the formed green compact has a certain brittleness when it is not sintered and post-processed. , If the shape of the pressed embryo does not meet the requirements, that is, the waste generated in the powder metallurgy process is formed. The waste can be manually crushed, but manual crushing takes a lot of time, and a large amount of dust will be generated at the same time, which not only pollutes the environment, but also affects the human body. At this time, it is necessary to design a crusher, which can process and process the waste material. After crushing and grinding, it can reach the particle size required by the next operation. In the process of processing, the overflow of dust should also be minimized.

Utility model content

In view of the existing technical problems, the purpose of this utility model is to provide a crusher for scrap, which has the advantages of being able to crush the scrap generated in the metallurgical process and reducing the overflow of dust.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including a bracket on which a casing for accommodating waste materials for pulverization is installed, the casing is provided with a feeding port for feeding, and the A sieve plate in the shape of a ring is arranged in the shell for filtering waste powder. The sieve plate is provided with a number of through holes for the crushed powder to pass through. The left and right end surfaces of the sieve plate are connected to the machine. The inner wall of the shell is fitted, the inner wall of the sieve plate and the inner wall of the casing are enclosed to form a pulverizing cavity that communicates with the feeding port, and the outer wall of the sieve plate and the inner wall of the casing are enclosed to form a ring pulverizing cavity circumference To the set discharge chamber, the casing is also provided with a crushing device for crushing the waste in the crushing chamber into powder, and the casing is provided with a crushing device for driving the crushing device to crush the waste. The drive device is provided with a collecting device in communication with the discharging cavity.

By adopting the above technical solution, the driving device is used to drive the crushing device to rotate, and the waste material in the crushing chamber in the casing entering from the feed port is crushed under the repeated action of the crushing device, and the crushed waste powder passes through the sieve plate. The holes fall into the discharge cavity, and the waste powder passing through the discharge cavity further falls into the collecting device.

The utility model is further configured as follows: the crushing device comprises a rotating shaft which is rotatably connected with the casing and arranged coaxially with the crushing cavity, a turntable arranged on the outer wall of the rotating shaft and located in the crushing cavity, and a plurality of pieces of Metal sheets on the outer peripheral side and circumferentially arranged at equal intervals around the axis of the turntable, each of the metal sheets is located on the same side of the turntable and there is a gap between the side away from the axis of the turntable and the inner wall of the sieve plate. The area enclosed by the sheet and the turntable is communicated with the feeding port, and one end of the rotating shaft extends out of the pulverizing cavity and is connected with the driving device.

By adopting the above technical solution, the driving device is used to drive the rotating shaft connected to it to rotate, the rotating shaft drives the turntable and the metal sheet to rotate, and the metal sheet drives the scrap falling on the sieve plate during the rotation of the metal sheet. It falls down, falls on the metal sheet or the sieve plate and is crushed by impact. Repeating this step, the waste is finally broken into powder with a particle size that can pass through the through holes on the sieve plate to complete its crushing effect.

The utility model is further configured as follows: the side of the turntable with the metal sheet is provided with crushing rods arranged around the axis of the turntable at an equal distance in the circumferential direction for crushing waste materials, and the distance from the crushing rod to the rotating shaft is smaller than that of the rotating shaft. The distance from the metal sheet to the rotation axis.

By adopting the above technical solution, the scrap driven by the metal sheet is hit by the crushing rod in the process of falling down due to the action of gravity. The step can break the waste block into powder and finally fall into the collecting device through the through hole of the sieve plate.

The utility model is further provided that: one end of the rotating shaft away from the driving device is provided with a regular polygonal column whose inscribed circle diameter is smaller than the outer diameter of the rotating shaft, and one end of the regular polygonal column away from the driving device is provided with a first A screw, the turntable is sleeved and clamped on the regular polygonal column, and the first screw is threadedly connected with a first threaded sleeve for clamping and fixing the turntable on the end face of the rotating shaft.

By adopting the above technical solution, when the broken rod, metal sheet or the turntable on the turntable is severely worn, the parts need to be replaced. The first threaded sleeve can be loosened, the rotating shaft can be removed, and then the turntable can be removed for replacement. Then tighten the first threaded sleeve.

The utility model is further provided that: the casing includes a cabin body and a cover body, the sieve plate is arranged in the cabin body, and the left and right end surfaces of the sieve plate face the cabin body and the cover body respectively. The set side is attached, the cabin body and the cover body are hinged together through a hinge, and the cabin body is rotatably connected with a second screw whose rotating shaft is perpendicular to the axis of the rotating shaft at a position away from the hinge, A second threaded sleeve is threadedly connected to the second screw, and one end of the second threaded sleeve away from the second screw is provided with a snap-fit protrusion arranged around the axis of the outer wall of the second threaded sleeve.

By adopting the above technical solution, the setting of the sieve plate to fit the two ends of the cabin effectively prevents the powder from overflowing when the crushing device in the crushing chamber is working. The second screw makes the snap-on protrusion on the second screw fit on the cover, and then the second thread sleeve connected with the snap-on protrusion is screwed onto the second screw. At this time, the fit of the cabin and the cover effectively prevents Powder overflow; when the cover needs to be opened to clean the crushing chamber or replace parts, loosen the threaded sleeve to separate the cover from the cabin.

The utility model is further provided that: a rubber ring arranged around the inner wall of the cabin is arranged on one end face of the cabin body facing the cover body, and when the cover body is covered on the cabin body, the cover body The side facing the cabin is fitted with the rubber ring.

By adopting the above technical solution, the sealing between the cabin body and the cover body is enhanced by the rubber ring, and the buffering effect of the rubber ring is used to avoid damage caused by frequent collisions between the cabin body and the cover body.

The utility model is further configured as follows: a baffle plate for preventing waste powder from overflowing is arranged in the feeding port.

By adopting the above technical solution, when the waste is pulverized in the pulverizing cavity, the powder in the cavity is easily flushed out from the feeding port by the air pressure generated by the high-speed rotation of the rotating shaft. Setting a baffle at the feeding port to isolate it can effectively prevent Spill of powder.

The utility model is further configured as follows: the collecting device comprises a box body arranged in the support and a hopper placed in the box body, a box door is arranged on the box body, and a lock is arranged on the box door The box body is provided with a lock hole corresponding to the lock button, and the lock button and the lock hole cooperate to lock the box door.

By adopting the above technical solution, the waste powder that meets the particle size requirements sieved from the middle sieve plate is collected by the hopper, and the hopper is placed in the locked box to prevent a large amount of waste powder from flying out when it falls into the hopper, causing waste and hygiene. question.

The utility model is further configured as follows: the lower end of the discharge cavity is provided with a discharge hopper located in the box and arranged in a funnel shape, and the lower end of the discharge hopper is sleeved with a cloth cylinder.

By adopting the above technical solution, the powder can be collected and discharged through the unloading hopper, and the addition of a cloth cylinder can prevent the waste powder from scattering and overflowing during the falling process to a greater extent.

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

(1) Through the cooperation of the crushing rod and the metal sheet, the waste block can be continuously broken for many times during the crushing process, and the crushing process is accelerated;

(2) Through the baffle on the feeding port, the rubber ring on the casing and the setting of the box, the dust generated during the crushing process of the waste does not overflow the bracket, reducing the impact of the dust in the production process on environmental hygiene;

(3) It is convenient to replace the worn turntable and other parts on the turntable through the cooperation between the regular polygonal column on the rotating shaft, the first screw rod and the first threaded sleeve.

Description of drawings

Fig. 1 is the structural representation of this embodiment;

2 is a schematic structural diagram of a casing in this embodiment;

3 is a side sectional view of the casing in this embodiment;

FIG. 4 is a schematic diagram of the connection structure of the cabin body and the cover body in this embodiment;

Fig. 5 is the structural representation of the feeding port in this embodiment;

FIG. 6 is a schematic structural diagram of the aggregate device in this embodiment.

Reference numerals: 1, bracket; 2, casing; 21, cabin body; 211, rubber ring; 22, cover body; 23, hinge; 24, second screw; 25, second threaded sleeve; 26, snap connection bulge; 3, feed port; 31, baffle; 4, crushing device; 41, rotating shaft; 411, regular polygon column; 412, first screw; 413, first thread sleeve; 42, turntable; 43, metal sheet; 44, crushing rod; 5, drive device; 6, aggregate device; 61, box body; 62, hopper; 63, box door; 64, lock; 65, lock hole; 7, sieve plate; 71, through Hole; 8. Grinding cavity; 9. Discharging cavity; 91. Discharging hopper; 92. Cloth tube.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

An embodiment, a waste crusher, as shown in FIG. 1 and FIG. 2, includes a bracket, a casing installed on the bracket for accommodating waste materials for shredding, the casing is provided with a feeding port for feeding, and the machine is A crushing device for crushing waste is arranged inside the casing, a driving device for driving the crushing device to crush the waste is arranged outside the casing, and a collecting device for collecting waste powder is arranged under the casing in the bracket.

As shown in Figures 2 and 3, the casing is provided with a sieve plate for filtering waste powder. The sieve plate is in a ring shape and is connected to the inner wall of the casing through countersunk bolts so that the sieve plate and the casing are fitted together to prevent The waste and waste powder leak out, and the sieve plate is provided with a number of through holes for the crushed powder to pass through. The outer wall of the casing and the inner wall of the casing are enclosed to form a discharge cavity arranged in the circumferential direction of the ring crushing cavity.

2 and 3, the crushing device includes a rotating shaft rotatably connected to the casing and one end connected to the drive device outside the casing, a turntable arranged on the outer wall of the rotating shaft to rotate together with the rotating shaft, and a plurality of On the outer peripheral side of the turntable and around the axis of the turntable, the metal sheets are arranged at equal distances in the circumferential direction. There is a gap between the side of each metal sheet away from the turntable and the inner wall of the sieve plate. The waste powder rises, and the inner peripheral side of the turntable is provided with crushing rods arranged at equal distances around the axis of the turntable for crushing the waste. When the waste block is lifted up and falls under the action of gravity, it hits the crushing rod or metal When the piece is broken, the connection line between the crushing rod and the axis of the rotating shaft and the connection between the metal sheet and the axis of the rotating shaft are not on the same line, which increases the impact point of the scrap block, so that the scrap block can be impacted and broken faster.

As shown in Figure 3, the end of the rotating shaft away from the driving device is provided with a regular polygonal column with an inscribed circle diameter smaller than the outer diameter of the rotating shaft, and the end of the regular polygonal column away from the driving device is provided with a first screw. The column is a regular hexagonal column, the turntable is sleeved and clamped on the regular hexagonal column, the first screw is threadedly connected with a first threaded sleeve for clamping and fixing the turntable on the end face of the rotating shaft, the rotating shaft, the regular polygonal column and the The first screw is integrally arranged. When the broken rod, metal sheet or turntable on the turntable is severely worn, it is necessary to replace the part, loosen the first threaded sleeve, remove the rotating shaft, then remove the turntable and replace it, and then replace the rotating shaft and Install the turntable, and then tighten the first threaded sleeve.

As shown in Figures 2 and 4, the casing includes a cabin body and a cover body, the sieve plate is arranged in the cabin body, and the left and right end faces of the sieve plate are respectively attached to the side of the cabin body and the cover body opposite to the cabin body and the cover body. The bodies are hinged together through hinges, and the cabin body is rotatably connected with a second screw rod whose axis of rotation is perpendicular to the axis of the rotation shaft at the position away from the hinge. One end of the two screws is provided with a snap-fit protrusion arranged around the axis of the outer wall of the second threaded sleeve. Wherein, a rubber ring arranged around the inner wall of the cabin is arranged on one end face of the cabin body facing the cover body. When the cover body is covered on the cabin body, the side of the cover body facing the cabin body is fitted with the rubber ring.

When the cabin needs to be cleaned or the components in the cabin need to be replaced, it is only necessary to rotate the snap-on protrusion, and then drive the second threaded sleeve to rotate on the screw to open the cover from the casing, and then lock it after cleaning. Can.

As shown in Figure 5, there is a baffle to prevent the waste powder from overflowing in the feeding port. Open the baffle and send the waste block into the feeding port. After the feeding is finished, cover the baffle to prevent the powder from flowing from the feeding port. overflow.

As shown in FIG. 6 , the collecting device includes a box body arranged in the bracket and a hopper placed in the box body. The box body is provided with a box door, the box door is provided with a lock, and the box body is provided with a corresponding lock The lock hole and the lock hole cooperate to lock the box door. The lower end of the discharge cavity is provided with a discharge hopper located in the box and arranged in a funnel shape, wherein the lower end of the discharge hopper is sleeved with a cloth cylinder.

The funnel-shaped unloading hopper discharges the waste powder into the hopper. Adding a cloth cylinder at the lower end of the unloading hopper allows the powder to follow the cloth cylinder and fall to the hopper. Knot the end of the cloth cylinder away from the discharge hopper. Opening the knot can avoid the air pressure generated in the process of high-speed rotation to blow out the powder in the cloth cylinder, and fly out without falling into the hopper.

The working process of the utility model is as follows:

The cover is set on the cabin and locked, and the driving device drives the rotating shaft to rotate, and the rotating shaft drives the turntable and the crushing rod and the metal sheet on the turntable to rotate together. The scrap powder that meets the particle size requirements falls into the discharge cavity through the through holes on the sieve plate; the waste blocks that do not meet the particle size requirements for discharge are removed by the metal flakes on the turntable. Drive up, due to the influence of gravity, the waste block falls, and hits the rotating crushing rod and metal sheet during the falling process. At this time, the waste block is further broken, and the powder that meets the particle size requirements of the through holes on the sieve plate passes through the sieve. The plate enters the discharge cavity, and the waste blocks that do not meet the particle size requirements repeat the above steps until they meet the discharge requirements and are discharged from the crushing cavity. After the powder reaches the discharge cavity, it reaches the hopper through the discharge hopper, and the crushing of the waste is completed.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (9)

1. A crusher for waste materials, characterized in that: comprises a bracket, a shell for containing waste materials and crushing is arranged on the bracket, a feed inlet for feeding is arranged on the shell, the machine shell is internally provided with a sieve plate which is used for filtering waste powder and is arranged in a ring shape, the sieve plate is provided with a plurality of through holes for the crushed waste powder to pass through, the left end surface and the right end surface of the sieve plate are attached to the inner wall of the casing, a crushing cavity communicated with the feeding hole is formed by the inner wall of the sieve plate and the inner wall of the casing in a surrounding manner, a material discharge cavity which is circumferentially arranged in the ring crushing cavity is enclosed between the outer wall of the sieve plate and the inner wall of the machine shell, the shell is also provided with a crushing device for crushing the waste in the crushing cavity into powder, the outer portion of the shell is provided with a driving device used for driving the crushing device to crush the waste materials, and the support is internally provided with a material collecting device communicated with the material discharging cavity.

2. The scrap crusher in accordance with claim 1 wherein: the crushing device comprises a rotating shaft and a plurality of metal sheets, wherein the rotating shaft is connected with the shell in a rotating mode and is arranged in the crushing cavity, the metal sheets are arranged on the outer peripheral side of the rotary table in an equidistant mode around the axis of the rotary table in the circumferential direction, the metal sheets are located on the same side face of the rotary table, the metal sheets are far away from one face of the rotary table in the axial direction and the inner wall of the sieve plate, a gap is reserved between the metal sheets and the inner wall of the sieve plate, the metal sheets and the rotary table are arranged in a surrounding mode, an area formed by the metal sheets and the rotary table are communicated with a feed inlet, and one.

3. The scrap crusher in accordance with claim 2 wherein: the carousel is provided with the one side of sheetmetal and is provided with the broken pole that ring carousel axis circumference equidistance arranged the setting in order to be used for broken waste material, broken pole arrives the distance of rotation axis is less than the distance of sheetmetal to rotation axis.

4. The scrap crusher in accordance with claim 2 wherein: the rotation axis is kept away from drive arrangement's one end is provided with the regular polygon post that inscribed circle diameter is less than the rotation axis external diameter, the regular polygon post is kept away from drive arrangement's one end is provided with first screw rod, the carousel cover establish the joint in on the regular polygon post, threaded connection has and is used for pressing from both sides the tight first thread bush of fixing on the rotation axis terminal surface of carousel.

5. The scrap crusher in accordance with claim 4 wherein: the casing includes the cabin body and lid, the sieve set up in the cabin is internal, just about the sieve both ends face respectively with the cabin body with the one side laminating that the lid set up in opposite directions, the cabin body with it is in the same place articulated through the hinge between the lid, the position that the hinge was kept away from to the cabin body rotate be connected with the pivot with the axis vertically second screw rod of rotation axis, threaded connection has the second thread bush on the second screw rod, the second thread bush is kept away from the one end of second screw rod is provided with the ring the joint that second thread bush outer wall axis set up is protruding.

6. The scrap crusher in accordance with claim 5 wherein: the cabin body orientation be provided with the rubber circle that the inner wall of the ring cabin body set up on the terminal surface of lid, work as the lid is located when the cabin body is last, the lid orientation the one side of the cabin body with the rubber circle laminating.

7. The scrap crusher in accordance with claim 1 wherein: and a baffle plate for preventing waste powder from overflowing is arranged in the feed inlet.

8. The scrap crusher in accordance with claim 1 wherein: the material collecting device comprises a box body arranged in the support and a hopper arranged in the box body, wherein a box door is arranged on the box body, a lock catch is arranged on the box door, a lock hole corresponding to the lock catch is arranged on the box body, and the lock catch is matched with the lock hole to lock the box door.

9. The scrap crusher in accordance with claim 8 wherein: the discharge chamber lower extreme is provided with and is located the box and be the discharge hopper that leaks hopper-shaped setting, the lower pot head of discharge hopper is equipped with the cloth section of thick bamboo.

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