Automatic hardness detection device for recycled plastic particles

Abstract

The invention provides a reprocessed plastic particle hardness automatic detection device which comprises a base, a conveying assembly is arranged at one end of the outer side of the base, a screening groove is formed above the conveying assembly, a plurality of screening plates are arranged in the screening groove, a material guide groove is formed in the conveying assembly, and the conveying assembly is arranged in the material guide groove. A third air cylinder is fixedly connected to the bottom of the conveying assembly, and the extending end of the third air cylinder penetrates through the screening groove and is fixedly connected with a positioning plate upwards. The screened recycled plastic particles can be conveyed into the detection assembly in batches for hardness detection operation, the device is high in automation degree, manual operation is not needed, the recycled plastic particles with different particle sizes are detected for multiple times, the detection efficiency is improved, meanwhile, the pressure conditions of the different recycled plastic particles can be observed, and the practicability is high. Therefore, the detection accuracy is ensured.

Description

Technical Field

[0001] The invention relates to the field of hardness detection of recycled plastic particles, in particular to an automatic hardness detection device for recycled plastic particles. Background Art

[0002] Recycled plastic refers to the recycling of used plastics. World resources are always a hot topic for human beings. The slogan of saving resources and protecting the environment has gradually penetrated into people's hearts. Plastics will not rot even if buried underground for hundreds of years. Therefore, the awakening of recycling and reusing recycled materials is inevitable. Only by recycling resources can people truly achieve environmental protection and energy saving.

[0003] In the recycling process of recycled plastics, testing the hardness of the particles is one of the essential processing steps. In the existing hardness testing device, when testing the hardness of recycled plastic particles of different particle sizes in the same batch, a steel pressure head is used to apply a certain pressure and maintain the pressure for a period of time. Recycled plastic particles of different sizes will be crushed to different degrees, and it is impossible to judge the hardness of the recycled plastic particles by observing the compression of the recycled plastic particles after compression;

[0004] To this end, this patent proposes an automatic hardness detection device for recycled plastic particles to solve the above problems. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides an automatic hardness detection device for recycled plastic particles, which solves the problem in the prior art that recycled plastic particles of different sizes will be crushed to different degrees and their hardness cannot be judged by observing the compressed state of the recycled plastic particles after being compressed.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the present invention is implemented through the following technical solutions: an automatic hardness detection device for recycled plastic particles, comprising a base, a conveying assembly is arranged at one end of the outer side of the base, a screening slot is provided above the conveying assembly, a plurality of screening plates are arranged inside the screening slot, a material guide slot is provided inside the conveying assembly, a cylinder three is fixedly connected to the bottom of the conveying assembly, an extended end of the cylinder three passes through the screening slot and is fixedly connected to a positioning plate upward, a limited block is fixedly connected to the outer end of the positioning plate, a limited slot is provided at the bottom of the screening slot, the limit block corresponds to the limit slot, and a collection box is provided at the other end of the conveying assembly;

[0009] The material guide trough is penetrated and provided with a material guide plate outwardly, the other end of the material guide plate is fixedly connected to the base, a detection port is penetrated and opened in the upper middle part of the base, the base and the bottom of the conveying assembly are fixedly connected with a bracket, a bottom plate is fixedly connected to the bracket below the base, a cylinder 1 is fixedly connected to the upper middle part of the bottom plate, and an extended end of the cylinder 1 penetrates the detection port and is fixedly connected to a push plate inwardly;

[0010] The upper two ends of the base are fixedly connected with vertical plates, the top of the vertical plates is fixedly connected with a top plate, the upper middle part of the top plate is fixedly connected with cylinder 2, the extended end of cylinder 2 passes through the top plate and is fixedly connected downward with a pressure sensor, the lower end of the pressure sensor is fixedly connected with a connecting rod, and the other end of the connecting rod is fixedly connected with a pressure plate.

[0011] Preferably, two ends of the conveying assembly are movably connected with latches, the latches are sleeved with springs, one end of the spring is fixedly connected to the latch, and the other end of the spring is fixedly connected to the conveying assembly.

[0012] Preferably: positioning blocks are fixedly connected to both ends of the sieve plate, positioning grooves are provided at both ends above the conveying assembly, the positioning grooves correspond to the positioning blocks, a through hole is provided inside the positioning block, and the through hole corresponds to the latch.

[0013] Preferably, the outer end of the vertical plate is fixedly connected to a fixing plate, the upper end of the fixing plate is fixedly connected to a vacuum cleaner, and an upper end of the vacuum cleaner is penetrated by a dust suction fan.

[0014] Preferably, the other end of the vacuum cleaner passes through the vertical plate and is provided with a vacuum tube inwardly, a movable plate is movably connected to the top of the base, and the vacuum tube passes through the movable plate and is provided with a vacuum head inwardly.

[0015] Preferably, a slide groove is provided on the top of the base, a slider is fixedly connected to the lower end of the movable plate, and the slider is slidably connected inside the slide groove.

[0016] Preferably, a motor is fixedly connected to one end of the outer side of the top plate, and a slot is provided inside the top plate.

[0017] Preferably, a lead screw is provided inwardly through the slot at the output end of the motor, a threaded block is threadedly connected to the lead screw, and the threaded block passes through the slot downward and is fixedly connected to the movable plate.

[0018] Working principle: when in use, the staff pours the recycled plastic particles of different sizes into the screening slot 402, and screens the recycled plastic particles through the screen 5 in the screening slot 402, so as to classify the recycled plastic particles, and detect the recycled plastic particles of different particle sizes. When classification detection is required, start the cylinder three 404 to drive the positioning plate 405 under the corresponding screen plate 5 to move downward. The positioning plate 405 is set obliquely. In the downward process, the recycled plastic particles fall into the inside of the guide slot 408 and are transported to the inside of the detection port 105 through the guide plate 403 at the outer end, so as to realize the detection operation of plastic particles of different particle sizes. Then start the cylinder one 104 to drive the push plate 109 to move upward, and slowly push the plastic particles inside the detection port 105 upward, so that the staff can observe the state of the plastic particles, and then start the upper cylinder two 2 to drive the detection component to move downward. The pressure sensor 201 is moved to ensure that the pressure plate 203 can contact the recycled plastic particles, and the hardness thereof is observed until the recycled plastic particles are completely crushed. At this time, the pressure value detected by the pressure sensor 201 is recorded to know the hardness of the recycled plastic particles. After the recycled plastic particles are crushed, the push plate 109 completely pushes the crushed recycled plastic particles out of the detection port 105, and the motor 307 is started to drive the lead screw 308 to rotate. Under the action of the threaded connection, the threaded block 305 can drive the movable plate 304 and the dust collection component to move inward. After adjusting to a suitable position, the dust collector 302 is started, so that the crushed recycled plastic particles are sent into the interior of the dust collector 302 through the dust collection head 102 and the dust collection tube 303, so as to facilitate the detection of recycled plastic particles of other different particle sizes, thereby improving the detection efficiency of the entire device, and the entire device is fully automated, without manual operation, saving time and effort.

[0019] (III) Beneficial effects

[0020] The present invention provides an automatic hardness detection device for recycled plastic particles, which has the following beneficial effects:

[0021] 1. The present invention can screen recycled plastic particles of different particle sizes by arranging a conveying component and a screening component. The screened recycled plastic particles can be transported in batches to the detection component for hardness detection. The device has a high degree of automation and does not require manual operation. It can perform multiple tests on recycled plastic particles of different particle sizes, improve the detection efficiency, and observe the pressure conditions of different recycled plastic particles to ensure the accuracy of the detection.

[0022] 2. The present invention can send the crushed recycled plastic particles into the dust collection component by installing a dust collection component on the detection component, thereby reducing the workload of subsequent workers when cleaning them. The entire dust collection component can be adjusted horizontally to perform dust collection operations in different situations, ensuring that no excess recycled plastic particles remain on the work surface;

[0023] 3. The present invention can screen recycled plastic particles of different particle sizes by providing a detachable sieve plate, thereby improving the detection diversity of the entire device, allowing it to collect more test results and improving the detection effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an overall schematic diagram of the present invention;

[0025] Figure 2 is a side view of the present invention;

[0026] Figure 3 It is a bottom view of the present invention.

[0027] Figure 4 It is a top view of the present invention.

[0028] Figure 5 For the present invention Figure 4 Schematic diagram of the structure of A.

[0029] Figure 6 It is a push plate diagram of the present invention.

[0030] Among them, 1. base; 101. bracket; 102. dust suction head; 103. bottom plate; 104. cylinder 1; 105. detection port; 106. slide; 107. slider; 108. top plate; 109. push plate; 1010. vertical plate; 2. cylinder 2; 201. pressure sensor; 202. connecting rod; 203. pressure plate; 3. fixing plate; 301. dust suction fan; 302. vacuum cleaner; 303. dust suction pipe ; 304, movable plate; 305, threaded block; 306, slotting; 307, motor; 308, screw; 4, conveying assembly; 401, collecting box; 402, screening slot; 403, guide plate; 404, cylinder three; 405, positioning plate; 406, limit slot; 407, limit block; 408, guide slot; 5, sieve plate; 501, latch; 502, spring; 503, positioning slot; 504, positioning block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example:

[0033] like Figure 1-6 As shown, an embodiment of the present invention provides an automatic hardness detection device for recycled plastic particles, including a base 1, a conveying component 4 is arranged at one end of the outer side of the base 1, a screening slot 402 is provided above the conveying component 4, a plurality of sieve plates 5 are arranged inside the sieve slot 402, the sieve slot 402 is arranged obliquely, and can screen the recycled plastic particles in cooperation with the sieve plates 5, and the sieve holes of the sieve plates 5 are all different, so that the recycled plastic particles of different particle sizes can be screened, a material guide slot 408 is provided inside the conveying component 4, a cylinder 3 404 is fixedly connected to the bottom of the conveying component 4, an extension end of the cylinder 3 404 passes through the screening slot 402 and is fixedly connected upward to a positioning plate 405, and the positioning plate 405 The outer end of the sieve groove 402 is fixedly connected to a limiting block 407, and a limiting groove 406 is provided at the bottom of the sieve groove 402. The limiting block 407 corresponds to the limiting groove 406. The other end of the conveying assembly 4 is provided with a collecting box 401. The starting cylinder 3 404 drives the positioning plate 405 below the corresponding sieve plate 5 to move downward. The positioning plate 405 is set obliquely. In the downward process, the recycled plastic particles fall into the inside of the guide groove 408, and are transported to the inside of the detection port 105 through the guide plate 403 at the outer end, so as to realize the detection of plastic particles of different particle sizes. The limiting block 407 and the limiting groove 406 can limit the positioning plate 405, and the collecting box 401 can collect the plastic particles that are too small.

[0034] A material guide plate 403 is provided through the material guide groove 408 outwardly, and the other end of the material guide plate 403 is fixedly connected to the base 1. A detection port 105 is provided through the upper middle part of the base 1. The base 1 and the bottom of the conveying component 4 are fixedly connected with a bracket 101. A bottom plate 103 is fixedly connected to the bracket 101 below the base 1. A cylinder 104 is fixedly connected to the upper middle part of the bottom plate 103. The extended end of the cylinder 104 passes through the detection port 105 and is fixedly connected to a push plate 109 inwardly. The material guide plate 403 can stably guide the plastic particles in the conveying component 4 into the interior of the detection port 105, and starting the cylinder 104 can drive the push plate 109 to move, and push the plastic particles falling into the detection port 105 upward to make them leak out of the base 1, so that the staff can observe the pressure state of the plastic particles.

[0035] The upper ends of the base 1 are fixedly connected with vertical plates 1010, the top of the vertical plates 1010 is fixedly connected with a top plate 108, the upper middle part of the top plate 108 is fixedly connected with a cylinder 2, the extended end of the cylinder 2 passes through the top plate 108 and is fixedly connected with a pressure sensor 201 downward, the lower end of the pressure sensor 201 is fixedly connected with a connecting rod 202, and the other end of the connecting rod 202 is fixedly connected with a pressing plate 203. Starting the upper cylinder 2 can drive the detection component to move downward, ensuring that the pressing plate 203 can contact the recycled plastic particles and observe their hardness until the recycled plastic particles are completely crushed. At this time, the pressure value detected by the pressure sensor 201 is recorded, and the hardness of the recycled plastic particles can be known. The pressure sensor 201 is electrically connected to the controller, and the detected data can be sent to the controller in the first time for the staff to record;

[0036] The two ends of the conveying component 4 are movably connected with a latch 501, and a spring 502 is sleeved on the latch 501. One end of the spring 502 is fixedly connected to the latch 501, and the other end is fixedly connected to the conveying component 4. The two ends of the sieve plate 5 are fixedly connected with positioning blocks 504. The upper two ends of the conveying component 4 are provided with positioning grooves 503, and the positioning grooves 503 correspond to the positioning blocks 504. The interior of the positioning blocks 504 is provided with through holes, and the through holes correspond to the latch 501. When the sieve plate 5 needs to be replaced, the latches 501 at both ends are pulled outwards. Under the action of the spring 502, the latch 501 can be disengaged from the inside of the through holes. At this time, the staff can directly pull the sieve plate 5 upwards to remove it from the inside of the screening slot 402, thereby completing the rapid replacement of the sieve plate 5 and improving the practicality of the device.

[0037] The outer end of the vertical plate 1010 is fixedly connected to the fixed plate 3, the upper end of the fixed plate 3 is fixedly connected to the dust collector 302, the upper end of the dust collector 302 is penetrated by a dust suction fan 301, the other end of the dust collector 302 penetrates the vertical plate 1010 and is provided with a dust suction pipe 303 inwardly, the upper part of the base 1 is movably connected to a movable plate 304, the dust suction pipe 303 penetrates the movable plate 304 and is provided with a dust suction head 102 inwardly, a slide groove 106 is provided above the base 1, the lower end of the movable plate 304 is fixedly connected to a slider 107, the slider 107 is slidably connected to the inside of the slide groove 106, the outer end of the top plate 108 is fixedly connected to a motor 307, the inside of the top plate 108 is provided with a slot 306, the output end of the motor 307 penetrates the slot 306 and is provided with a lead screw 308 inwardly, and a screw on the lead screw 308 The threaded block 305 is connected to the groove 306, and the threaded block 305 passes through the slot 306 and is fixedly connected to the movable plate 304 downwardly. The starting motor 307 drives the lead screw 308 to rotate. Under the action of the threaded connection, the threaded block 305 can drive the movable plate 304 and the dust collection component to move inward. After adjusting to a suitable position, the vacuum cleaner 302 is started, so that the crushed recycled plastic particles are sent into the interior of the vacuum cleaner 302 through the dust collection head 102 and the dust collection tube 303, so as to facilitate the detection of other recycled plastic particles of different particle sizes, thereby improving the detection efficiency of the entire device. The entire equipment is fully automated, and no manual operation is required, which saves time and effort. The movable plate 304 can move stably under the action of the slider 107 and the slide groove 106, thereby improving the stability of the dust collection component when moving.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic hardness detection device for recycled plastic particles, comprising a base (1), characterized in that: A conveying assembly (4) is provided at one end of the outer side of the base (1), a screening slot (402) is provided above the conveying assembly (4), a plurality of screening plates (5) are provided inside the screening slot (402), a material guide slot (408) is provided inside the conveying assembly (4), a cylinder three (404) is fixedly connected to the bottom of the conveying assembly (4), an extended end of the cylinder three (404) passes through the screening slot (402) and is fixedly connected upwardly to a positioning plate (405), an outer end of the positioning plate (405) is fixedly connected to a limiting block (407), a limiting slot (406) is provided at the bottom of the screening slot (402), the limiting block (407) corresponds to the limiting slot (406), and a collecting box (401) is provided at the other end of the conveying assembly (4); The material guide groove (408) is penetrated by a material guide plate (403) disposed outwardly, the other end of the material guide plate (403) is fixedly connected to the base (1), a detection port (105) is penetrated through the upper middle portion of the base (1), the base (1) and the bottom of the conveying assembly (4) are both fixedly connected to a bracket (101), a bottom plate (103) is fixedly connected to the bracket (101) located below the base (1), a cylinder 1 (104) is fixedly connected to the upper middle portion of the bottom plate (103), and an extended end of the cylinder 1 (104) penetrates the detection port (105) and is fixedly connected inwardly to a push plate (109); The upper ends of the base (1) are fixedly connected to vertical plates (1010), the top of the vertical plates (1010) is fixedly connected to a top plate (108), the middle of the top of the top plate (108) is fixedly connected to a second cylinder (2), the extended end of the second cylinder (2) passes through the top plate (108) and is fixedly connected downward to a pressure sensor (201), the lower end of the pressure sensor (201) is fixedly connected to a connecting rod (202), and the other end of the connecting rod (202) is fixedly connected to a pressure plate (203).

2. The automatic hardness detection device for recycled plastic particles according to claim 2 is characterized in that: The two ends of the conveying component (4) are movably connected with a latch (501), and a spring (502) is sleeved on the latch (501). One end of the spring (502) is fixedly connected to the latch (501), and the other end is fixedly connected to the conveying component (4).

3. The automatic hardness detection device for recycled plastic particles according to claim 1 is characterized in that: The two ends of the sieve plate (5) are fixedly connected with positioning blocks (504), the upper two ends of the conveying assembly (4) are provided with positioning grooves (503), the positioning grooves (503) correspond to the positioning blocks (504), and the positioning blocks (504) are provided with through holes inside, and the through holes correspond to the latches (501).

4. The automatic hardness detection device for recycled plastic particles according to claim 1 is characterized in that: The outer end of the vertical plate (1010) is fixedly connected to a fixed plate (3), the upper end of the fixed plate (3) is fixedly connected to a dust collector (302), and a dust suction fan (301) is provided through the upper end of the dust collector (302).

5. The automatic hardness detection device for recycled plastic particles according to claim 4 is characterized in that: The other end of the vacuum cleaner (302) passes through the vertical plate (1010) and is provided with a vacuum tube (303) inwardly, and a movable plate (304) is movably connected to the top of the base (1), and the vacuum tube (303) passes through the movable plate (304) and is provided with a vacuum head (102) inwardly.

6. The automatic hardness detection device for recycled plastic particles according to claim 5 is characterized in that: A slide groove (106) is provided on the top of the base (1), and a slider (107) is fixedly connected to the lower end of the movable plate (304), and the slider (107) is slidably connected inside the slide groove (106).

7. The automatic hardness detection device for recycled plastic particles according to claim 6 is characterized in that: A motor (307) is fixedly connected to one end of the outer side of the top plate (108), and a slot (306) is provided inside the top plate (108).

8. The automatic hardness detection device for recycled plastic particles according to claim 7 is characterized in that: The output end of the motor (307) passes through the slot (306) and is provided with a lead screw (308) inwardly, and a threaded block (305) is threadedly connected to the lead screw (308), and the threaded block (305) passes through the slot (306) and is fixedly connected to the movable plate (304) downward.

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