Sheet waste crusher

Abstract

The utility model discloses a sheet waste crusher, which belongs to the technical field of sheet processing, can conveniently crush sheets to specified specifications in the working process, can carry out auxiliary screening treatment on the sheets after crushing, and screens out the sheets meeting the specifications after crushing. And the situation that crushed sheets need to be collected and crushed again when the crushed sheets are unqualified is avoided as much as possible, and the overall working efficiency is improved. The sheet waste crusher comprises a crushing box, a crushing assembly is arranged at the top of the crushing box, the crushing assembly comprises a crushing barrel mounted at the top of the crushing box, a containing box is mounted at the top of the crushing barrel, a crushing cavity is formed in the crushing barrel, a sealing plate is mounted on one side edge of the crushing barrel, and a rotating shaft is rotationally arranged on one side of the sealing plate; and crushing cutters for assisting crushing are fixed to the inner side wall of the crushing cavity and the outer side edge of the rotating shaft correspondingly, discharging openings are symmetrically formed in the bottom of the crushing cavity, screening nets are installed at the discharging openings in an inserted mode, and one ends of the screening nets are fixed to the blocking plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of sheet processing, and particularly relates to a sheet waste crusher. Background Art

[0002] As a common form of plastic products, with the continuous growth of demand in China, plastic sheets are increasingly widely used and the consumption is increasing year by year. Plastic sheet waste that fails to meet the factory requirements or remains in the production of downstream products often needs to be outsourced for destruction. When outsourcing for processing due to the failure to meet the factory requirements, the processing party is required to cut and crush it to prevent the waste from flowing into the market.

[0003] Publication number "CN211762822U" discloses a plastic sheet waste edge crusher, including a crusher body. The left side of the top of the crusher body is fixedly connected with a barrel. The right side of the top of the barrel is fixedly connected with a cross plate. The front side and the rear side of the top of the cross plate are both fixedly connected with vertical blocks. The inner sides of the vertical blocks are movably connected with a box body through a rotating shaft. The bottom of the inner wall of the box body is fixedly connected with a motor. By the combined use of the crusher body, the barrel, the cross plate, the vertical blocks, the box body, the motor, the vertical rod, the crushing blades, the moving mechanism, the cylinder, the toothed plate, the incomplete gear, the cross bar and the movable block, the utility model solves the problem that in the process of crushing waste by the existing crusher, the waste is easily blocked due to too much waste, resulting in the inability to feed the waste and affecting the crushing. The plastic sheet waste edge crusher has the advantage of anti-blocking and improves the practicability of the crusher.

[0004] The above-mentioned retrieved plastic sheet waste crusher cannot perform auxiliary screening on the crushed sheet after crushing the sheet. When the crushed sheet is unqualified, it needs to be collected and crushed again, and the overall operation is relatively cumbersome. Therefore, a sheet waste crusher is needed to assist in solving this problem. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a sheet waste crusher, which can conveniently crush the sheet to the specified specifications during the working process and can perform auxiliary screening on the sheet after crushing, screen out the sheets that meet the specifications after crushing, and try to avoid collecting and crushing the unqualified crushed sheets again, so as to improve the overall working efficiency.

[0007] (2) Technical Solutions

[0008] To solve the above technical problems, the present utility model provides a sheet waste crusher, which includes a crushing box. At the top of the crushing box, there is a crushing component for crushing sheet materials. The crushing component includes a crushing cylinder installed at the top of the crushing box. At the top of the crushing cylinder, there is a receiving box. Inside the crushing cylinder, there is a crushing cavity. On one side of the crushing cylinder, there is a sealing plate. On one side of the sealing plate, a rotating shaft is rotatably arranged. On the inner side wall of the crushing cavity and on the outer side of the rotating shaft, there are crushing knives for assisting in crushing. On the side of the sealing plate away from the rotating shaft, there is a crushing motor for driving the rotating shaft to rotate.

[0009] At the bottom of the crushing cavity, discharge ports are symmetrically opened. At the discharge ports, a screening net is inserted and installed. One end of the screening net is fixed on a blocking plate. Inside the blocking plate, there is a positioning cavity. Inside the positioning cavity, there is a positioning component for assisting in positioning. On one side of the crushing cylinder, there is an insertion cavity for inserting the blocking plate. Inside the insertion cavity, positioning holes for cooperating with the positioning component for positioning are symmetrically opened.

[0010] Further, the positioning component includes a rotating disk rotatably arranged in the positioning cavity. On the rotating disk, connecting belts are symmetrically wound. On both sides of the positioning cavity, positioning pins are symmetrically inserted and installed. Inside the positioning cavity, ejecting springs for assisting in pushing out the positioning pins are symmetrically installed. One end of the connecting belt away from the rotating disk is fixed on the positioning pin. Inside the blocking plate, guide wheels for assisting in guiding the connecting belt are installed.

[0011] Further, inside the discharge port, limiting strips are symmetrically and horizontally fixed. On both sides of the screening net, limiting grooves are symmetrically opened. The limiting strips and the limiting grooves are inserted and matched with each other.

[0012] Further, at the top of the receiving box, a cover plate is hingedly installed. The crushing cylinder is communicated with the receiving box. At the bottom of the receiving box, an insertion plate is inserted and installed.

[0013] Further, at the end of the cover plate away from the hinge end, a positioning plate is vertically fixed. In the middle section on one side of the receiving box away from the cover plate, there is a positioning groove. On the positioning groove, there is a fixing hole. On the positioning plate, a positioning bolt is threadedly installed. The positioning bolt and the fixing hole are positioned in cooperation with each other.

[0014] Further, inside the crushing box, there is a screening cavity. Inside the screening cavity, a screening plate is inclinedly installed. At the bottom of the middle section of the screening plate, a vibration motor is installed. On both sides of the crushing box, two discharge ports are inclinedly installed respectively. The inside of the crushing box is communicated with the inside of the crushing cylinder. Inside the screening cavity of the crushing box, equalizing rods are installed at equal intervals and staggered.

[0015] Furthermore, a base frame is fixed at the bottom of the crushing box, and leveling knobs are installed at four corners of the bottom of the base frame. The base frame and the leveling knobs are threadedly matched.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model can conveniently crush the sheet materials to the specified specifications during the working process by means of the screening net inserted into the crushing chamber inside the crushing cylinder and the cooperation between the crushing chamber and the crushing knife on the rotating shaft, and can perform auxiliary screening treatment on the sheet materials after crushing, so as to screen out the sheet materials meeting the specifications after crushing, and avoid the need to collect and crush the unqualified crushed sheet materials as much as possible, thereby improving the overall working efficiency;

[0019] The utility model uses a pluggable screening net, a blocking plate and a positioning component arranged therein. When the screening net needs to be replaced, the rotating disk is reversed, the rotating disk drives the connecting belt to rotate, and the connecting belt drives the positioning pin to move as a whole. During the movement of the positioning pin, the ejection spring is compressed as a whole, so that the positioning pin is pushed out from the positioning hole, and the blocking plate is pulled out as a whole, and the screening net of corresponding specifications is replaced. During operation, the screening net of different specifications can be quickly replaced according to different production needs, thereby improving the overall practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a longitudinal sectional view of the crushing box of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the utility model after the crushing component is disassembled;

[0024] Figure 4 It is a longitudinal cross-sectional view of the blocking plate corresponding to the positioning assembly of the utility model.

[0025] The markings in the attached drawings are: 1. Crushing box; 2. Screening plate; 21. Vibrating motor; 3. Discharge port; 4. Base frame; 5. Leveling knob; 6. Crushing assembly; 7. Crushing cylinder; 8. Sealing plate; 9. Crushing motor; 10. Rotating shaft; 11. Discharge port; 111. Limiting bar; 12. Screening net; 121. Limiting groove; 13. Blocking plate; 14. Positioning assembly; 141. Rotating disk; 142. Guide wheel; 143. Connecting belt; 144. Ejection spring; 145. Positioning pin; 15. Receiving box; 151. Insert plate; 152. Cover plate; 153. Positioning plate; 154. Positioning groove; 155. Positioning bolt; 16. Material balancing rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] This specific embodiment is a sheet waste crusher, such as Figure 1 and Figure 2 As shown, the sheet waste crusher includes a crushing box 1, a screening chamber is opened inside the crushing box 1, a screening plate 2 is installed obliquely inside the screening chamber, a vibration motor 21 is installed at the bottom of the middle section of the screening plate 2, and the vibration motor 21 can stably vibrate and screen the sheet after it falls onto the screening plate 2, two discharge ports 3 are installed obliquely on both sides of the crushing box 1, the crushing box 1 is connected with the inside of the crushing barrel 7, and equalizing rods 16 are equidistantly installed in the screening chamber of the crushing box 1, and the equalizing rods 16 can ensure that the falling sheet waste is evenly distributed during the working process.

[0028] A base frame 4 is fixed at the bottom of the crushing box 1, and leveling knobs 5 are installed at the four corners of the bottom of the base frame 4. The base frame 4 and the leveling knobs 5 are threadedly matched. By setting the leveling knobs 5, the overall stability of the device can be ensured during operation, and the overall shaking of the device can be avoided as much as possible.

[0029] Reference Figure 1 and Figure 3As shown, a crushing assembly 6 for crushing flakes is arranged at the top of the crushing box 1, and the crushing assembly 6 includes a crushing cylinder 7 installed at the top of the crushing box 1, and a accommodating box 15 is installed at the top of the crushing cylinder 7. A crushing chamber is opened inside the crushing cylinder 7, and a sealing plate 8 is installed on one side of the crushing cylinder 7. A rotating shaft 10 is rotatably arranged on one side of the sealing plate 8. Crushing knives for auxiliary crushing are fixed on the inner side wall of the crushing chamber and the outer side of the rotating shaft 10. A crushing motor 9 for driving the rotating shaft 10 to rotate is installed on the side of the sealing plate 8 away from the rotating shaft 10, and a discharge port 11 is symmetrically opened at the bottom of the crushing chamber, and a screening net 12 is plugged and installed at the discharge port 11, and one end of the screening net 12 is fixed on the blocking plate 13.

[0030] Through the cooperation between the screening net 12 installed in the crushing chamber inside the crushing barrel 7 and the crushing knives on the crushing chamber and the rotating shaft 10, the sheets can be conveniently crushed to the specified specifications during the working process and can be subjected to auxiliary screening treatment after crushing to screen out the sheets that meet the specifications after crushing, and to avoid the need to collect and crush unqualified crushed sheets again, thereby improving the overall work efficiency.

[0031] The above-mentioned discharge port 11 has a symmetrically horizontally fixed limit bar 111 inside, and the two sides of the screening net 12 are symmetrically provided with limit grooves 121, and the limit bars 111 and the limit grooves 121 cooperate with each other. Through the cooperation between the limit bars 111 and the limit grooves 121, it can be ensured that the screening net 12 can be stably plugged and installed at the corresponding discharge port 11 during operation, thereby ensuring the overall stability of the screening net 12 after installation.

[0032] A cover plate 152 is hingedly installed on the top of the accommodating box 15, the crushing barrel 7 is connected to the accommodating box 15, a plug plate 151 is plugged and installed at the bottom of the accommodating box 15, a positioning plate 153 is vertically fixed to the cover plate 152 away from the hinged end, a positioning groove 154 is provided in the middle section of one side of the accommodating box 15 away from the cover plate 152, a fixing hole is provided on the positioning groove 154, a positioning bolt 155 is threadedly installed on the positioning plate 153, and the positioning bolt 155 cooperates with the fixing hole for positioning.

[0033] Through the cooperation between the fixing holes on the positioning groove 154 and the positioning bolts 155 on the positioning plate 153, the cover plate 152 can be auxiliary sealed during the sheet crushing process to ensure that the sheet pops out during the subsequent work process.

[0034] Reference Figure 3 and Figure 4As shown in the figure, a positioning cavity is provided inside the baffle plate 13, and a positioning component 14 for auxiliary positioning is installed in the positioning cavity. An insertion cavity for inserting the baffle plate 13 is provided on one side of the crushing cylinder 7, and positioning holes for cooperating with the positioning component 14 for positioning are symmetrically provided in the insertion cavity. The positioning component 14 includes a rotating disk 141 rotatably arranged in the positioning cavity. Connecting belts 143 are symmetrically wound on the rotating disk 141. Positioning pins 145 are symmetrically inserted and installed on both sides of the positioning cavity. Ejecting springs 144 for assisting the positioning pins 145 to eject are symmetrically installed in the positioning cavity. One end of the connecting belt 143 away from the rotating disk 141 is fixed on the positioning pin 145. A guiding wheel 142 for guiding the connecting belt 143 is installed inside the baffle plate 13.

[0035] Through the positioning component 14, when it is necessary to replace the screening mesh 12, reverse the rotating disk 141. The rotating disk 141 drives the connecting belt 143 to rotate, and the connecting belt 143 drives the positioning pins 145 to move as a whole. During the movement of the positioning pins 145, the ejecting springs 144 are compressed as a whole, so that the positioning pins 145 are pushed out of the positioning holes, and the baffle plate 13 is pulled out as a whole, and then the corresponding specification of the screening mesh 12 can be replaced. During operation, the screening mesh 12 with different specifications can be quickly replaced according to different production requirements, improving the overall practicality of the device.

[0036] Working principle: During operation, when it is necessary to process the sheet material, place the sheet material waste in the receiving box 15, cover the cover plate 152 on the receiving box 15, pull out the insertion plate 151, and the sheet material enters the inside of the crushing cylinder 7. Start the crushing motor 9, and the crushing motor 9 drives the rotating shaft 10 to rotate as a whole. The crushing knives on the rotating shaft 10 cooperate with the crushing knives in the crushing cavity for processing, thus completing the overall crushing of the sheet material. After the sheet material is crushed, the crushed sheet material is assisted in screening through the screening mesh 12, so that the sheet material meeting the specifications falls into the crushing box 1, and the sheet material not meeting the specifications continues to be crushed in the crushing cavity. When the sheet material enters the crushing box 1, the sheet material is dispersed as a whole by the material leveling rod 16, and the screening plate 2 is assisted in vibrating and screening by the vibrating motor 21, so that the sheet materials with different crushing degrees are discharged through different discharge ports 3.

[0037] When it is necessary to replace the screening mesh 12, reverse the rotating disk 141. The rotating disk 141 drives the connecting belt 143 to rotate, and the connecting belt 143 drives the positioning pins 145 to move as a whole. During the movement of the positioning pins 145, the ejecting springs 144 are compressed as a whole, so that the positioning pins 145 are pushed out of the positioning holes, and the baffle plate 13 is pulled out as a whole, and then the corresponding specification of the screening mesh 12 can be replaced.

[0038] All the technical features in this embodiment can be freely combined according to actual needs.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A sheet waste crusher, comprising a crushing box (1), characterized in that: A crushing assembly (6) for crushing flakes is arranged at the top of the crushing box (1), the crushing assembly (6) comprises a crushing cylinder (7) mounted at the top of the crushing box (1), a containing box (15) is mounted at the top of the crushing cylinder (7), a crushing chamber is provided inside the crushing cylinder (7), a sealing plate (8) is mounted on one side of the crushing cylinder (7), a rotating shaft (10) is rotatably arranged on one side of the sealing plate (8), crushing knives for assisting crushing are fixed on the inner side wall of the crushing chamber and the outer side of the rotating shaft (10), and a crushing motor (9) for driving the rotating shaft (10) to rotate is mounted on the side of the sealing plate (8) away from the rotating shaft (10); A discharge port (11) is symmetrically provided at the bottom of the crushing chamber, a screening net (12) is plugged and installed at the discharge port (11), one end of the screening net (12) is fixed on a blocking plate (13), a positioning cavity is provided inside the blocking plate (13), a positioning assembly (14) for auxiliary positioning is installed in the positioning cavity, an insertion cavity for inserting the blocking plate (13) is provided on one side of the crushing cylinder (7), and positioning holes for cooperating with the positioning assembly (14) for positioning are symmetrically provided in the insertion cavity.

2. A sheet waste crusher according to claim 1, characterized in that: The positioning assembly (14) comprises a rotating disk (141) rotatably arranged in a positioning cavity, a connecting belt (143) symmetrically wound on the rotating disk (141), positioning pins (145) symmetrically inserted and installed on both sides of the positioning cavity, an ejection spring (144) for assisting the positioning pin (145) to be pushed out symmetrically installed in the positioning cavity, one end of the connecting belt (143) away from the rotating disk (141) is fixed to the positioning pin (145), and a guide wheel (142) for guiding the auxiliary connecting belt (143) is installed inside the blocking plate (13).

3. A sheet waste crusher according to claim 2, characterized in that: A limiting strip (111) is symmetrically fixed horizontally inside the discharge port (11), and limiting grooves (121) are symmetrically provided on both sides of the screening net (12), and the limiting strip (111) and the limiting grooves (121) are plugged in a matching manner.

4. A sheet waste crusher according to claim 1, characterized in that: A cover plate (152) is hingedly mounted on the top of the accommodating box (15), the crushing cylinder (7) is connected to the accommodating box (15), and a plug plate (151) is plugged and mounted on the bottom of the accommodating box (15).

5. A sheet waste crusher according to claim 4, characterized in that: A positioning plate (153) is vertically fixed to the cover plate (152) away from the hinged end, a positioning groove (154) is provided at the middle section of one side of the accommodating box (15) away from the cover plate (152), a fixing hole is provided on the positioning groove (154), a positioning bolt (155) is threadedly installed on the positioning plate (153), and the positioning bolt (155) cooperates with the fixing hole for positioning.

6. A sheet waste crusher according to claim 1, characterized in that: The crushing box (1) has a screening chamber inside, a screening plate (2) is obliquely installed inside the screening chamber, a vibration motor (21) is installed at the bottom of the middle section of the screening plate (2), two discharge ports (3) are obliquely installed on both sides of the crushing box (1), the crushing box (1) is connected to the inside of the crushing cylinder (7), and equalizing rods (16) are equidistantly and staggeredly installed in the screening chamber of the crushing box (1).

7. A sheet waste crusher according to claim 6, characterized in that: A base frame (4) is fixed at the bottom of the crushing box (1), and leveling knobs (5) are installed at the four corners of the bottom of the base frame (4), and the base frame (4) and the leveling knobs (5) are threadedly matched.

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