Laboratory waste crushing device

Abstract

The utility model discloses a laboratory waste crushing device, which relates to the technical field of laboratory waste crushing, and is characterized in that a sealing protection box is arranged outside crushing equipment, a door plate capable of automatically rotating to be closed is arranged at a waste feeding port, and when waste is crushed, a dustproof door plate and a protection sealing plate are in a closed state; a protective sealing plate is additionally arranged and used for shielding and blocking a feeding opening above a front baffle, dust generated in the crushing process is prevented from leaking out through the feeding opening, meanwhile, a sealing ring is additionally arranged, and in the closed state, a first sealing rubber ring and a second sealing rubber ring are tightly attached together and used for blocking a gap between the protective sealing plate and a rubber ring supporting frame; the sealing effect is further improved, tiny dust or peculiar smell and the like are prevented from leaking out, pollution to a laboratory is prevented, operators can be protected, and splashed materials are prevented from hurting the operators.

Description

TECHNICAL FIELD

[0001] The utility model relates to laboratory waste crushing technical field, concretely is a laboratory waste crushing device. BACKGROUND

[0002] Laboratories produce waste in various shapes and sizes, such as large pieces of glassware and chunks of chemical precipitates. Crushing can significantly reduce the volume of the waste, which is very beneficial for storage and transportation of the waste. For example, large pieces of uncrushed glass can take up a lot of storage space, and after crushing, they can be stored more compactly, reducing the pressure on storage facilities. In terms of transportation, the reduced volume means that more waste can be handled per transport, reducing transportation costs.

[0003] In the Chinese patent CN221433300U, the utility model discloses a kind of rapid laboratory waste treatment devices, is laboratory waste processing technical field, including box, the front of box is equipped with feeding port, the side of box is equipped with observation window, the middle part of box is inserted with push-pull plate, the top of push-pull plate is provided with first crushing mechanism, the bottom of push-pull plate is provided with second crushing mechanism, the front of box and below feeding port is hinged with sealing door, laboratory waste is input into the inside of box through feeding port, waste falls to the top of push-pull plate, first motor can drive first gear to rotate, first gear rotates simultaneously drives second gear to rotate, second gear rotates simultaneously drives coaxial crushing knife to rotate, so that waste on the top of push-pull plate is preliminarily crushed by crushing knife, so that the appearance of this laboratory waste treatment device is simple, structure is simple and compact, and the processing effect and efficiency of laboratory waste are improved by crushing and rolling.

[0004] The existing laboratory waste crushing device has its feeding port in an open state, and is provided with a ventilation opening. When the waste in the laboratory is crushed, the dust and other particulate matters generated are extremely easy to float out from the feeding port or the ventilation opening, affecting the air quality of the laboratory, and possibly contaminating the experimental samples.

[0005] In view of the above problems, a laboratory waste crushing device is proposed. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a laboratory waste crushing device, which solves the problem of dust leakage during crushing in the background art, causing pollution to the laboratory.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a laboratory waste material crushing device, including the crushing device sealed outer box, the front part of crushing device sealed outer box is fixedly connected with the front baffle, the inside installation of front baffle has the drop -off mouth sealing assembly, drop -off mouth sealing assembly includes rubber ring support frame, it is fixedly connected between rubber ring support frame and front baffle, the side fixedly connected of rubber ring support frame has second sealing rubber ring, and the side of second sealing rubber ring away from rubber ring support frame is closely bonded with first sealing rubber ring, the side fixedly connected of first sealing rubber ring away from second sealing rubber ring has the protection sealing plate, the inside nesting of first sealing rubber ring has dust door board, and it is fixedly connected between dust door board and protection sealing plate.

[0008] Preferably, the inside of the crushing device sealed outer box is provided with a crushing assembly, the crushing assembly comprises a first crushing roller, a driving shaft penetrates through the inside of the first crushing roller, and the first crushing roller and the driving shaft are fixedly connected, and the driving shaft and the crushing device sealed outer box are rotatably connected, the side of the first crushing roller is engaged with a second crushing roller, the inside of the second crushing roller penetrates through a driven shaft, and the driven shaft and the second crushing roller are fixedly connected, and the driven shaft and the crushing device sealed outer box are rotatably connected.

[0009] Preferably, the top of the protection sealing plate is fixedly connected with a connecting block, the side of the connecting block is rotatably connected with a rotating shaft, and the rotating shaft and the front baffle are fixedly connected, the outside of the rotating shaft is nested with a torsion spring, one end of the torsion spring and the protection sealing plate are fixedly connected, and the other end of the torsion spring and the front baffle are fixedly connected.

[0010] Preferably, the side of the torsion spring is provided with a silica gel stop sheet, the top end of the silica gel stop sheet and the front baffle are fixedly connected, and the bottom end of the silica gel stop sheet and the protection sealing plate are fixedly connected.

[0011] Preferably, the part of the driving shaft protruding from the outer wall of the crushing device sealed outer box is fixedly connected with a driving gear, the side of the driving gear is engaged with a driven gear, and the driven gear is fixedly connected to the end of the driven shaft.

[0012] Preferably, the outside of the driving gear and the driven gear is covered with a protective cover, and the protective cover and the crushing device sealed outer box are fixedly connected, the outside of the protective cover is provided with a servo motor, and the output end of the servo motor and the driving gear are fixedly connected.

[0013] Preferably, the top of the first crushing roller is provided with a guide plate, the guide plate and the crushing device sealed outer box are fixedly connected, the guide plate is symmetrically provided with two about the vertical central axis of the crushing device sealed outer box, and the guide plate is inwardly inclined.

[0014] Preferably, the bottom of the first crushing roller is provided with a waste collecting box, which is slidingly connected to the inside of the sealed outer box of the crushing device, and the waste collecting box is gap-fitted between the front baffle plates.

[0015] Compared with the prior art, the laboratory waste crushing device has the following beneficial effects:

[0016] The laboratory waste crushing device provided by the utility model, when crushing the waste, the dustproof door plate and the protective sealing plate are used for shielding and plugging the feeding opening above the front baffle plate, preventing the dust generated in the crushing process from leaking out through the feeding opening, and in the closed state, the first sealing rubber ring and the second sealing rubber ring are tightly attached together, used for plugging the gap between the protective sealing plate and the rubber ring supporting frame, further improving the sealing effect, preventing the leakage of fine dust or peculiar smell, preventing the pollution to the laboratory, and also protecting the operators from the splashed materials. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is an internal structure schematic diagram of the utility model as a whole;

[0018] Fig. 2 It is an explosion structure schematic diagram of the feeding opening sealing assembly part of the utility model;

[0019] Fig. 3 It is a three-dimensional structure schematic diagram of the utility model as a whole;

[0020] Fig. 4 It is a three-dimensional structure schematic diagram of the crushing assembly part of the utility model.

[0021] In the drawing: 1, crushing device sealed outer box; 2, front baffle plate; 3, feeding opening sealing assembly; 4, crushing assembly; 5, waste collecting box; 6, guide plate; 301, rotating shaft; 302, connecting block; 303, protective sealing plate; 304, dustproof door plate; 305, first sealing rubber ring; 306, second sealing rubber ring; 307, rubber ring supporting frame; 308, torsion spring; 309, silica gel baffle; 401, first crushing roller; 402, driving shaft; 403, second crushing roller; 404, driven shaft; 405, driving gear; 406, servo motor; 407, protective cover; 408, driven gear. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] In order to further understand the content of the present application, the present application will be described in detail in combination with the drawings.

[0024] Embodiment one

[0025] Please refer to Figs. 1 to 4 The present application discloses a laboratory waste crushing device, which comprises a crushing device sealing outer box 1, a front baffle 2 fixedly connected to the front part of the crushing device sealing outer box 1, a feeding port sealing assembly 3 installed in the inside of the front baffle 2, the feeding port sealing assembly 3 comprising a rubber ring supporting frame 307, the rubber ring supporting frame 307 being fixedly connected with the front baffle 2, a second sealing rubber ring 306 being fixedly connected to the side of the rubber ring supporting frame 307, a first sealing rubber ring 305 being tightly attached to the side of the second sealing rubber ring 306, a protective sealing plate 303 being fixedly connected to the side of the first sealing rubber ring 305 away from the second sealing rubber ring 306, and a dustproof door plate 304 being nested in the inside of the first sealing rubber ring 305 and fixedly connected with the protective sealing plate 303.

[0026] When the waste is crushed, the dustproof door plate 304 and the protective sealing plate 303 are used to shield and block the feeding port above the front baffle 2, so as to prevent the dust generated in the crushing process from leaking out through the feeding port, and in the closed state, the first sealing rubber ring 305 and the second sealing rubber ring 306 are tightly attached together, so as to block the gap between the protective sealing plate 303 and the rubber ring supporting frame 307, further improve the sealing effect, prevent the leakage of fine dust or peculiar smell, and prevent the pollution of the laboratory.

[0027] The top of the protective sealing plate 303 is fixedly connected with a connecting block 302, the side of the connecting block 302 is rotatably connected with a rotating shaft 301, the rotating shaft 301 is fixedly connected with the front baffle 2, the outside of the rotating shaft 301 is nested with a torsion spring 308, one end of the torsion spring 308 is fixedly connected with the protective sealing plate 303, the other end of the torsion spring 308 is fixedly connected with the front baffle 2, the side of the torsion spring 308 is provided with a silica gel stopper 309, the top end of the silica gel stopper 309 is fixedly connected with the front baffle 2, and the bottom end of the silica gel stopper 309 is fixedly connected with the protective sealing plate 303.

[0028] When the waste is put in, the protective sealing plate 303 can be pushed inwards to rotate inwards, so that the waste can be put inwards, and after the waste is put in, the protective sealing plate 303 and the dustproof door plate 304 can be automatically rotated outwards to be closed under the action of the torsion spring 308, so that the first sealing rubber ring 305 and the second sealing rubber ring 306 are tightly attached together, and the operation is simple and convenient.

[0029] The inside of the sealing outer box 1 of the crushing device is provided with a crushing assembly 4, the crushing assembly 4 comprises a first crushing roller 401, a driving shaft 402 is penetrated through the inside of the first crushing roller 401, the first crushing roller 401 and the driving shaft 402 are fixedly connected, the driving shaft 402 and the sealing outer box 1 of the crushing device are rotationally connected, a second crushing roller 403 is engaged on the side of the first crushing roller 401, a driven shaft 404 is penetrated through the inside of the second crushing roller 403, the driven shaft 404 and the second crushing roller 403 are fixedly connected, the driven shaft 404 and the sealing outer box 1 of the crushing device are rotationally connected, a driving gear 405 is fixedly connected to the part of the driving shaft 402 that extends out of the wall of the sealing outer box 1 of the crushing device, a driven gear 408 is engaged on the side of the driving gear 405, the driven gear 408 is fixedly connected to the end of the driven shaft 404, a protective cover 407 is arranged outside the driving gear 405 and the driven gear 408, the protective cover 407 and the sealing outer box 1 of the crushing device are fixedly connected, a servo motor 406 is installed outside the protective cover 407, and the output end of the servo motor 406 and the driving gear 405 are fixedly connected.

[0030] After the waste is put into the inside of the sealing outer box 1 of the crushing device, the servo motor 406 is started, the output end of the servo motor 406 drives the driving gear 405 to rotate, since the driving gear 405 and the driven gear 408 are engaged with each other, the two gears can drive the first crushing roller 401 and the second crushing roller 403 to rotate in opposite directions by the driving shaft 402 and the driven shaft 404, so that the waste on the two crushing rollers can be crushed, and the crushed waste falls into the waste collecting box 5 below.

[0031] The top of the first crushing roller 401 is provided with a guide plate 6, the guide plate 6 and the sealing outer box 1 of the crushing device are fixedly connected, the guide plate 6 is symmetrically provided with two guide plates 6 about the vertical central axis of the sealing outer box 1 of the crushing device, and the guide plate 6 is inwardly inclined.

[0032] The bottom of the first crushing roller 401 is provided with a waste collecting box 5 which is slidingly connected to the inside of the sealed outer box 1 of the crushing device and is gap-fitted between the front baffle 2. The waste collecting box 5 is used to collect the waste after crushing and can be pulled out from the inside of the sealed outer box 1 of the crushing device. After being filled, the waste collecting box 5 can be taken out for disposal.

[0033] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A laboratory waste shredding device, characterized by: The application relates to a sealing outer box of a crushing device, which is provided with a front baffle fixedly connected to the front part of the sealing outer box of the crushing device, a feeding port sealing assembly is arranged in the inside of the front baffle, the feeding port sealing assembly comprises a rubber ring supporting frame fixedly connected between the front baffle and the feeding port sealing assembly, a second sealing rubber ring is fixedly connected to the side of the rubber ring supporting frame, a first sealing rubber ring is tightly attached to the side, away from the second sealing rubber ring, of the second sealing rubber ring, a protective sealing plate is fixedly connected to the side, away from the second sealing rubber ring, of the first sealing rubber ring, a dustproof door plate is arranged in the inside of the first sealing rubber ring and is fixedly connected between the dustproof door plate and the protective sealing plate. A crushing assembly is arranged in the inside of the sealing outer box of the crushing device, the crushing assembly comprises a first crushing roller, a driving shaft is arranged in the inside of the first crushing roller, the first crushing roller is fixedly connected with the driving shaft and is rotationally connected with the sealing outer box of the crushing device, a second crushing roller is engaged with the side of the first crushing roller, a driven shaft is arranged in the inside of the second crushing roller, the second crushing roller is fixedly connected with the driven shaft and is rotationally connected with the sealing outer box of the crushing device.

2. A laboratory waste shredding device according to claim 1, characterized in that: A connecting block is fixedly connected to the top of the protective sealing plate, a rotating shaft is rotationally connected to the side of the connecting block and is fixedly connected with the front baffle, a torsion spring is arranged in the outside of the rotating shaft, one end of the torsion spring is fixedly connected with the protective sealing plate, and the other end of the torsion spring is fixedly connected with the front baffle.

3. A laboratory waste shredding device according to claim 2, wherein: A silica gel stop sheet is arranged on the side of the torsion spring, the top end of the silica gel stop sheet is fixedly connected with the front baffle, and the bottom end of the silica gel stop sheet is fixedly connected with the protective sealing plate.

4. The laboratory waste shredding device of claim 1, wherein: The part, extending out of the outer wall of the sealing outer box of the crushing device, of the driving shaft is fixedly connected with a driving gear, a driven gear is engaged with the side of the driving gear and is fixedly connected to the end of the driven shaft.

5. A laboratory waste shredding device according to claim 4, wherein: The outer cover of the driving gear (405) and the driven gear (408) is provided with a protective cover (407), and the protective cover (407) is fixedly connected between the sealing outer box (1) of the crushing device, the outer portion of the protective cover (407) is provided with a servo motor (406), and the output end of the servo motor (406) is fixedly connected with the driving gear (405).

6. A laboratory waste shredding device according to claim 1, characterized in that: The top of the first crushing roller (401) is provided with a material guide plate (6), the material guide plate (6) is fixedly connected between the sealing outer box (1) of the crushing device, the material guide plate (6) is symmetrically provided with two about the vertical central axis of the sealing outer box (1) of the crushing device, and the material guide plate (6) is inwardly inclined.

7. A laboratory waste shredding device according to claim 1, characterized in that: The bottom of the first crushing roller (401) is provided with a waste collecting box (5), the waste collecting box (5) is slidingly connected to the inside of the sealing outer box (1) of the crushing device, and the waste collecting box (5) is gap-fitted between the front baffle (2).

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