A pretreatment device for raw materials of plastic products

Abstract

The present invention discloses a pretreatment device for raw materials of plastic products, which relates to the field of plastic products and includes a device base. A first fixing frame is fixedly arranged on the upper side of the device base. A second fixing frame is arranged on the other side of the device base, and the second fixing frame and the first fixing frame are concentrically arranged. A device box is fixedly arranged on the device base between the first fixing frame and the second fixing frame. Under the action of a third rotating rod, a moving rod causes a first rotating rod to drive a pushing rod to horizontally move in the second fixing frame, so that the pushing rod drives a clamping sleeve and a fixing sleeve to cooperate with each other to clamp and fix a plastic rod. A clamping rod frame drives a clamping plate to clamp and fix the lower end of the plastic rod under the action of a second rotating rod. A cutting tool moves to cut the plastic rod through a rotating gear and a straight rack. A polishing rod polishes the inverted mold mark of the plastic rod under the action of the rotating gear, realizing multi-station fixing, cutting, and rough polishing pretreatment.

Description

Technical Field

[0001] The present invention relates to the field of plastic products, and more specifically, it relates to a pretreatment device for raw materials of plastic products. Background Art

[0002] Plastic products are a general term for daily necessities, industrial products, etc. processed mainly with plastics, including products of all processes such as injection molding and thermoforming with plastics as raw materials. Plastic is a type of synthetic polymer material with plasticity. Plastic mainly consists of natural or synthetic resin, and various additives are added. Under certain conditions such as a certain temperature and pressure, it can be molded into a certain shape and maintain the shape unchanged at normal temperature. For a round tube-shaped plastic rod, when the round tube rod is demolded, barbs and indentations from the reverse molding will remain on the plastic rod, and the plastic rod needs to be polished to make it smoother. For a glass rod that needs to be cut, it needs to be clamped and fixed. In the case of a lack of an external power source, manual support is not only inefficient but also affects the processing and production efficiency. Therefore, in summary, relevant innovative designs are needed for the equipment. Summary of the Invention

[0003] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a pretreatment device for raw materials of plastic products, so that during the cutting pretreatment process of a round tube-shaped plastic rod, it is convenient to realize multi-station clamping and fixing of the round tube-shaped plastic rod, and realize rough grinding pretreatment of the plastic rod to improve the pretreatment effect.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A pretreatment device for raw materials of plastic products, characterized in that: it includes a device box, a cutting tool, a motor, a first fixing frame and a second fixing frame, and further includes:

[0005] A device base, on the upper side of the device base, a first fixing frame is fixedly arranged. The second fixing frame is arranged on the other side of the device base, and the second fixing frame and the first fixing frame are concentrically arranged. A device box is fixedly arranged on the device base between the first fixing frame and the second fixing frame;

[0006] A first clamping mechanism, the first clamping mechanism includes a fixed sleeve, a clamping sleeve, a push rod, a first rotating rod, a moving rod and a third rotating rod. The moving rod makes the first rotating rod drive the push rod to horizontally move in the second fixing frame under the action of the third rotating rod, so that the push rod drives the clamping sleeve and the fixed sleeve to cooperate with each other to realize clamping and fixing of the plastic rod;

[0007] A second clamping mechanism, the second clamping mechanism includes a clamping plate, a clamping rod frame and a second rotating rod. The clamping rod frame drives the clamping plate to clamp and fix the lower end of the plastic rod under the action of the second rotating rod;

[0008] Moving grinding mechanism. The moving grinding mechanism includes a straight rack, a rotating gear, and a grinding rod. The rotating gear drives the cutting tool to move and cut the plastic rod through the straight rack, and the grinding rod grinds the inverted mold imprint of the plastic rod under the action of the rotating gear.

[0009] Preferably, a fixed sleeve is fixedly installed on the inner side wall of the first fixing frame. A clamping sleeve is arranged between the first fixing frame and the second fixing frame. One side of the clamping sleeve away from the fixed sleeve is fixedly connected to a pushing rod. The pushing rod is movably installed on the second fixing frame, and one end of the pushing rod located outside the second fixing frame is rotatably connected to a first rotating rod.

[0010] Preferably, a sliding groove is provided on the device base. A moving rod is movably installed inside the sliding groove. The lower end of the moving rod is rotatably connected to a third rotating rod, and the upper end of the moving rod is rotatably connected to the first rotating rod. A limiting plate is fixedly installed on the lower side of the moving rod. A support frame is fixedly installed on the upper side of the device base beside the moving rod. A compression plate is fixedly installed at the upper end of the support frame. The moving rod movably passes through the compression plate, and a first spring is installed on the outer side of the moving rod between the compression plate and the limiting plate.

[0011] Preferably, a placement cylinder base is provided at the concentric position on the lower sides of the clamping sleeve and the fixed sleeve. The placement cylinder base is fixedly installed on the upper side of the device base. A moving groove is provided inside the placement cylinder base, and a moving cylinder is installed inside the moving groove. The moving cylinder is concentrically arranged with the placement cylinder base.

[0012] Preferably, the lower end of the moving cylinder is fixedly connected to a fixed rod, and the lower end of the fixed rod is rotatably connected to the third rotating rod. The third rotating rod is rotatably installed on the device base at a non-end point.

[0013] Preferably, a clamping plate is provided inside the placement cylinder base on the circumferential outer side of the moving cylinder. A second spring is fixedly installed between the clamping plate and the inside of the placement cylinder base. A clamping rod frame is fixedly installed on the side of the clamping plate close to the placement cylinder base. A sliding groove is provided on the placement cylinder base, and the clamping rod frame is slidably installed inside the sliding groove.

[0014] Preferably, the lower end of the clamping rod frame is rotatably connected to a second rotating rod. A device plate is fixedly installed on the lower side of the fixed rod. The other end of the second rotating rod is rotatably installed on the device plate, and a third spring is installed on the fixed rod on the lower side of the device plate.

[0015] Preferably, a rotating gear is rotatably installed in the middle of the device box. Grinding rods are respectively fixedly installed on the upper and lower sides of the rotating gear. The grinding rods can be in close contact with the plastic rod. The upper end of the grinding rod is connected to a motor. A straight rack is movably installed inside the device box on one side of the rotating gear. The straight rack is meshed and connected with the rotating gear, and a cutting tool is fixedly installed at the extending end of the straight rack.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. For the pretreatment equipment of plastic product raw materials described in the present invention, through the combined use of a fixed sleeve, a clamping sleeve, a pushing rod, a first rotating rod, a moving rod and a third rotating rod, the moving rod drives the first rotating rod to drive the pushing rod to move horizontally in the second fixed frame under the action of the third rotating rod, so that the pushing rod drives the clamping sleeve to cooperate with the fixed sleeve to clamp and fix the plastic rod. Through the combined use of a clamping plate, a clamping rod frame and a second rotating rod, the clamping rod frame drives the clamping plate to clamp and fix the lower end of the plastic rod under the action of the second rotating rod.

[0018] 2. For the pretreatment equipment of plastic product raw materials described in the present invention, through the combined use of a straight rack, a rotating gear and a grinding rod, the rotating gear makes the cutting tool move and cut the plastic rod through the straight rack, and the grinding rod grinds the inverted mold mark of the plastic rod under the action of the rotating gear. Brief Description of the Drawings

[0019] Figure 1 is a three-dimensional schematic diagram of the pretreatment equipment for plastic product raw materials provided by the present invention;

[0020] Figure 2 provided by the present invention Figure 1 is an enlarged structural schematic diagram of part A in

[0021] Figure 3 provided by the present invention Figure 1 is a structural schematic diagram of the inside of the device box in

[0022] Figure 4 provided by the present invention Figure 1 is a partial top view structural schematic diagram in

[0023] Figure 5 provided by the present invention Figure 4 is a sectional structural schematic diagram taken along line B - B in

[0024] 1. Device base; 2. Support frame; 3. First spring; 4. Compression plate; 5. Moving rod; 6. Limiting plate; 7. First rotating rod; 8. Pushing rod; 9. Clamping sleeve; 10. First fixed frame; 11. Fixed sleeve; 12. Second fixed frame; 13. Placing cylinder base; 14. Moving cylinder; 15. Clamping plate; 16. Clamping rod frame; 17. Second spring; 18. Moving groove; 19. Motor; 20. Device box; 21. Cutting tool; 22. Grinding rod; 23. Straight rack; 24. Rotating gear; 25. Sliding groove; 27. Second rotating rod; 28. Fixed rod; 29. Third spring; 30. Device plate; 31. Third rotating rod; 32. Sliding groove. Detailed Embodiment

[0025] Refer to Figures 1-5A further description is given of an embodiment of a pretreatment device for a raw material of a plastic product according to the present invention.

[0026] See Figure 1 、 Figure 2 and Figure 5 , a pretreatment device for a raw material of a plastic product, including a device box 20, a cutting tool 21, a motor 19, a first fixing frame 10 and a second fixing frame 12, further including a device base 1. A first fixing frame 10 is fixedly arranged on the upper side of the device base 1. The second fixing frame 12 is arranged on the other side of the device base 1 and is concentric with the first fixing frame 10. A device box 20 is fixedly arranged on the device base 1 between the first fixing frame 10 and the second fixing frame 12.

[0027] The first clamping mechanism includes a fixed sleeve 11, a clamping sleeve 9, a push rod 8, a first rotating rod 7, a moving rod 5 and a third rotating rod 31. The moving rod 5 drives the first rotating rod 7 to drive the push rod 8 to move horizontally in the second fixing frame 12 under the action of the third rotating rod 31, so that the push rod 8 drives the clamping sleeve 9 to cooperate with the fixed sleeve 11 to clamp and fix the plastic rod.

[0028] The second clamping mechanism includes a clamping plate 15, a clamping rod frame 16 and a second rotating rod 27. The clamping rod frame 16 drives the clamping plate 15 to clamp and fix the lower end of the plastic rod under the action of the second rotating rod 27.

[0029] A fixed sleeve ۱۱ is fixedly installed on the inner side wall of the first fixing frame 10. A clamping sleeve 9 is arranged between the first fixing frame 10 and the second fixing frame 12. One side of the clamping sleeve 9 away from the fixed sleeve 11 is fixedly connected with a push rod 8. The push rod 8 is movably installed on the second fixing frame 12. One end of the push rod 8 located outside the second fixing frame 12 is rotatably connected with a first rotating rod 7.

[0030] A sliding groove 25 is arranged on the device base 1. The moving rod 5 is movably installed inside the sliding groove 25. The lower end of the moving rod 5 is rotatably connected with a third rotating rod 31. The upper end of the moving rod 5 is rotatably connected with a first rotating rod 7. A limiting plate 6 is fixedly installed on the lower side of the moving rod 5. A support frame 2 is fixedly installed on the upper side of the device base 1 beside the moving rod 5. A compression plate 4 is fixedly installed at the upper end of the support frame 2. The moving rod 5 movably penetrates and is installed in the compression plate 4. A first spring 3 is cooperatively installed on the outer side of the moving rod 5 between the compression plate 4 and the limiting plate 6. [[ID=2〗

[0031] [[ID=24〗A placing cylinder base 13 is arranged at the concentric position on the lower side of the clamping sleeve 9 and the fixed sleeve 11. The placing cylinder base 13 is fixedly installed on the upper side of the device base 1. A moving groove 18 is arranged inside the placing cylinder base 13. A moving cylinder 14 is installed inside the moving groove 18. The moving cylinder 14 is concentric with the placing cylinder base 13. [[ID=25〗 [[ID=26〗

[0032] The lower end of the moving cylinder 14 is fixedly connected to the fixed rod 28. The lower end of the fixed rod 28 is rotatably connected to the third rotating rod 31. The non-end point of the third rotating rod 31 is rotatably installed on the device base 1.

[0033] Inside the placing cylinder base 13 on the circumferential outer side of the moving cylinder 14, there is a clamping plate 15. A second spring 17 is fixedly installed between the clamping plate 15 and the inside of the placing cylinder base 13. On the side of the clamping plate 15 close to the placing cylinder base 13, a clamping rod frame 16 is fixedly installed. The placing cylinder base 13 is provided with a sliding groove 32, and the clamping rod frame 16 is slidably installed inside the sliding groove 32.

[0034] The lower end of the clamping rod frame 16 is rotatably connected to the second rotating rod 27. A device plate 30 is fixedly installed on the lower side of the fixed rod 28. The other end of the second rotating rod 27 is rotatably installed on the device plate 30. A third spring 29 is installed on the fixed rod 28 on the lower side of the device plate 30.

[0035] When it is necessary to perform pre-treatment cutting on the plastic round tube-shaped long rod just taken out of the mold, the plastic rod is placed from the upper side of the device between the fixed sleeve 11 fixedly installed on the first fixed frame 10 and the clamping sleeve 9 movably installed on the second fixed frame 12. Under the action of gravity, the plastic rod moves downward to the upper side inside the placing cylinder base 13 and contacts the moving cylinder 14. Subsequently, under the action of gravity, the plastic rod continues to move downward and drives the moving cylinder 14 to move downward in the moving groove 18, so that the moving cylinder 14 drives the fixed rod 28 fixedly installed on it to move downward inside the device base 1 under the heavy pressure of the plastic rod. When the fixed rod 28 moves downward under pressure, the fixed rod 28 drives one end of the third rotating rod 31 rotatably connected to its lower end to rotate, and the other end of the third rotating rod 31 rotates in the opposite direction to make the moving rod 5 move upward and extend. When the moving rod 5 moves upward, it will drive the first rotating rod 7 rotatably connected to its upper end to rotate. When the first rotating rod 7 rotates, it will drive the pushing rod 8 rotatably connected to its other end to slide in the second fixed frame 12. The pushing rod 8 moves toward the side close to the first fixed frame 10 in the second fixed frame 12, and further makes the clamping sleeve 9 fixedly installed on the pushing rod 8 move toward the side close to the fixed sleeve 11. Therefore, the moving clamping sleeve 9 and the fixed sleeve 11 cooperate with each other to clamp and fix the plastic rod placed therebetween, realizing the fixed clamping of the upper position of the plastic rod. During the process of the moving rod 5 moving upward and extending, the moving rod 5 also slides out of the compression plate 4, and at the same time, the limiting plate 6 fixedly installed on the moving rod 5 also moves upward accordingly, so that the first spring 3 installed between the limiting plate 6 and the compression plate 4 is compressed by the extrusion force of the upward movement of the limiting plate 6. The function of the first spring 3 is to perform shock absorption and buffering on the moving process of the moving rod 5.

[0036] Secondly, during the downward movement of the fixed rod 28, the fixed rod 28 also drives the device plate 30 fixedly installed thereon to move downward. During the downward movement of the device plate 30, the second rotating rod 27 rotatably installed thereon is driven to rotate. The clamping rod frame 16 connected to the second rotating rod 27 moves in the sliding groove 32 and extends outward. The clamping rod frame 16 drives the clamping plates 15 fixedly installed thereon to gather together, so that the clamping plates 15 clamp and fix the plastic rod placed on the upper side of the moving cylinder 14, realizing the fixed clamping of the lower end of the plastic rod. In summary, the upper and lower ends of the plastic rod are clamped and fixed by the self-weight of the plastic rod.

[0037] See Figure 1 and Figure 3 , the mobile grinding mechanism includes a straight rack 23, a rotating gear 24 and a grinding rod 22. The rotating gear 24 makes the cutting tool 21 move and cut the plastic rod through the straight rack 23, and the grinding rod 22 grinds the inverted mold mark of the plastic rod under the action of the rotating gear 24.

[0038] A rotating gear 24 is rotatably installed in the middle of the device box 20. Grinding rods 22 are fixedly installed on the upper and lower sides of the rotating gear 24 respectively. The grinding rods 22 can be in close contact with the plastic rod. The upper end of the grinding rod 22 is connected to the motor 19. A straight rack 23 is movably installed inside the device box 20 on one side of the rotating gear 24. The straight rack 23 is meshed and connected with the rotating gear 24, and a cutting tool 21 is fixedly installed at the extending end of the straight rack 23.

[0039] After the plastic rod is fixedly clamped, the motor 19 is started. The motor 19 drives the rotating gear 24 fixedly connected to the grinding rod 22 to rotate synchronously through the grinding rod 22. When the grinding rod 22 rotates, it segments and grinds the upper and lower sides of the plastic rod. When the rotating gear 24 rotates, it drives the straight rack 23 meshed with it to move horizontally inside the device box 20, so that the cutting tool 21 fixedly installed on the straight rack 23 gradually moves toward the side close to the plastic rod, realizing the moving cutting of the plastic rod. The plastic rod located below the cutting tool 21 after cutting is taken out. At this time, the plastic rod is the processed plastic rod after cutting and rough grinding. After the lower plastic rod is taken out, the plastic rod located above will move downward accordingly, repeating the above movement process to realize the cyclic processing of the plastic rod.

[0040] Working principle: A plastic rod is placed into the device from the upper side between the fixed sleeve 11 fixedly installed on the first fixed frame 10 and the clamping sleeve 9 movably installed on the second fixed frame 12. Under the action of gravity, the plastic rod moves downward to the inside of the upper side of the placing cylinder base 13 and contacts the moving cylinder 14, causing the moving cylinder 14 to be pressed by the plastic rod and drive the fixed rod 28 fixedly installed with it to move downward inside the device base 1. One end of the third rotating rod 31 is driven to rotate by the fixed rod 28, and the other end of the third rotating rod 31 drives the first rotating rod 7 to rotate accordingly. When the first rotating rod 7 rotates, it drives the pushing rod 8 to slide in the second fixed frame 12, and the clamping sleeve 9 on the pushing rod 8 moves toward the side close to the fixed sleeve 11, realizing the fixed clamping of the upper position of the plastic rod. During the downward movement of the fixed rod 28, the fixed rod 28 also drives the device plate 30 to move downward. During the downward movement of the device plate 30, the second rotating rod 27 is driven to rotate, and the clamping rod frame 16 connected to the second rotating rod 27 moves in the sliding groove 32 and extends outward. The clamping rod frame 16 drives the clamping plates 15 fixedly installed with it to gather together, so that the clamping plates 15 clamp and fix the plastic rod placed on the upper side of the moving cylinder 14. The motor 19 drives the rotating gear 24 fixedly connected to the grinding rod 22 to rotate synchronously through the grinding rod 22. When the grinding rod 22 rotates, it performs segmented grinding on the upper and lower sides of the plastic rod. When the rotating gear 24 rotates, it drives the straight rack 23 to move horizontally inside the device box 20, and then makes the cutting tool 21 gradually move toward the side close to the plastic rod for cutting. The plastic rod located below the cutting tool 21 after cutting is taken out. At this time, the plastic rod is the processed plastic rod after cutting and rough grinding pretreatment. After the lower plastic rod is taken out, the plastic rod located on the upper side will move downward accordingly, repeating the above movement process to realize the cyclic processing of the plastic rod.

[0041] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A pretreatment device for plastic product raw materials, characterized in that: It includes a device box (20), a cutting tool (21), a motor (19), a first fixing bracket (10) and a second fixing bracket (12), and further includes: A device base (1), on the upper side of the device base (1), a first fixing bracket (10) is fixedly arranged. The second fixing bracket (12) is arranged on the other side of the device base (1), and the second fixing bracket (12) and the first fixing bracket (10) are arranged concentrically. On the device base (1) between the first fixing bracket (10) and the second fixing bracket (12), a device box (20) is fixedly arranged; A first clamping mechanism, the first clamping mechanism includes a fixed sleeve (11), a clamping sleeve (9), a pushing rod (8), a first rotating rod (7), a moving rod (5) and a third rotating rod (31). Under the action of the third rotating rod (31), the moving rod (5) makes the first rotating rod (7) drive the pushing rod (8) to move horizontally in the second fixing bracket (12), so that the pushing rod (8) drives the clamping sleeve (9) and the fixed sleeve (11) to cooperate with each other to clamp and fix the plastic rod; A second clamping mechanism, the second clamping mechanism includes a clamping plate (15), a clamping rod frame (16) and a second rotating rod (27). Under the action of the second rotating rod (27), the clamping rod frame (16) drives the clamping plate (15) to clamp and fix the lower end of the plastic rod; A moving grinding mechanism, the moving grinding mechanism includes a straight rack (23), a rotating gear (24) and a grinding rod (22). The rotating gear (24) makes the cutting tool (21) move and cut the plastic rod through the straight rack (23), and the grinding rod (22) grinds the inverted mold mark of the plastic rod under the action of the rotating gear (24).

2. The pretreatment equipment for a plastic product raw material according to claim 1, characterized in that: On the inner side wall of the first fixing bracket (10), a fixed sleeve (11) is fixedly installed. Between the first fixing bracket (10) and the second fixing bracket (12), a clamping sleeve (9) is arranged. One side of the clamping sleeve (9) far from the fixed sleeve (11) is fixedly connected with a pushing rod (8). The pushing rod (8) is movably installed on the second fixing bracket (12). One end of the pushing rod (8) located outside the second fixing bracket (12) is rotatably connected with a first rotating rod (7).

3. The pretreatment device for plastic product raw materials according to claim 1, characterized in that: On the device base (1), a sliding groove (25) is arranged. The moving rod (5) is movably installed inside the sliding groove (25). The lower end of the moving rod (5) is rotatably connected with a third rotating rod (31). The upper end of the moving rod (5) is rotatably connected with a first rotating rod (7). A limiting plate (6) is fixedly installed on the lower side of the moving rod (5). On the upper side of the device base (1) beside the moving rod (5), a support frame (2) is fixedly installed. On the upper end of the support frame (2), a compression plate (4) is fixedly installed. The moving rod (5) movably penetrates and is installed in the compression plate (4). A first spring (3) is cooperatively installed on the outer side of the moving rod (5) between the compression plate (4) and the limiting plate (6).

4. The pretreatment equipment for plastic product raw materials according to claim 2, characterized in that: A placing cylinder base (13) is arranged at the concentric position on the lower sides of the clamping sleeve (9) and the fixing sleeve (11). The placing cylinder base (13) is fixedly installed on the upper side of the device base (1). A moving groove (18) is arranged inside the placing cylinder base (13), and a moving cylinder (14) is installed inside the moving groove (18). The moving cylinder (14) is arranged concentrically with the placing cylinder base (13).

5. The pretreatment equipment for a plastic product raw material as described in claim 4, wherein: The lower end of the moving cylinder (14) is fixedly connected to a fixing rod (28). The lower end of the fixing rod (28) is rotatably connected to a third rotating rod (31). The non-end point of the third rotating rod (31) is rotatably installed on the device base (1).

6. The pretreatment device for plastic product raw materials according to claim 5, wherein: A clamping plate (15) is arranged inside the placing cylinder base (13) on the outer circumference of the moving cylinder (14). A second spring (17) is fixedly installed between the clamping plate (15) and the inside of the placing cylinder base (13). A clamping rod frame (16) is fixedly installed on the side of the clamping plate (15) close to the placing cylinder base (13). A sliding groove (32) is arranged on the placing cylinder base (13), and the clamping rod frame (16) is slidably installed inside the sliding groove (32).

7. The pretreatment equipment for raw materials of plastic products according to claim 6, characterized in that: The lower end of the clamping rod frame (16) is rotatably connected to a second rotating rod (27). A device plate (30) is fixedly installed on the lower side of the fixing rod (28). The other end of the second rotating rod (27) is rotatably installed on the device plate (30). A third spring (29) is installed on the fixing rod (28) on the lower side of the device plate (30).

8. The pretreatment equipment for raw materials of plastic products according to claim 1, characterized in that: A rotating gear (24) is rotatably installed in the middle of the device box (20). Grinding rods (22) are fixedly installed on the upper and lower sides of the rotating gear (24) respectively. The grinding rods (22) can be in close contact with the plastic rod. The upper end of the grinding rod (22) is connected to a motor (19). A straight rack (23) is movably installed inside the device box (20) on one side of the rotating gear (24). The straight rack (23) is meshed and connected with the rotating gear (24). A cutting tool (21) is fixedly installed at the extending end of the straight rack (23).

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