A plastic strip pelletizing line

Abstract

The utility model relates to a kind of plastic strip granulating line, including chassis and the cutting mechanism and positioning mechanism being located at the top of chassis and mutually cooperate;Cutting mechanism includes the first electric sliding table being fixed at the top of chassis and being located below moving frame, the moving frame being movably connected at the top of chassis and being fixed on the moving end of first electric sliding table to have left-right translation function by the aid of first electric sliding table, the second electric sliding table being fixed on moving frame, and the cutting assembly being located on the moving end of second electric sliding table to have front-back translation function by the aid of second electric sliding table;Positioning mechanism includes multiple positioning units being movably connected at the top of chassis to all have left-right translation function and being sequentially set transversely from left to right;The utility model improves processing efficiency, improves cutting quality simultaneously;In addition, it also expands the scope of application to facilitate use.

Description

Technical Field

[0001] This utility model relates to a plastic strip granulation line. Background Technology

[0002] The main production steps of plastic pellets include melting, extrusion, and pelletizing. After extrusion molding, the plastic raw material is in the form of strips. In order to transform the plastic strips into regular pellets, the plastic strips need to be pelletized. The pelletizing process of plastic strips is generally completed by a pelletizer.

[0003] While existing pelletizers can cut multiple plastic strips at once, each strip must be laid flat sequentially, typically in a single layer, limiting the number of strips and thus processing efficiency. Furthermore, they cannot effectively hold the strips in place, causing them to easily skew upon contact with the blades, resulting in inconsistent pellet shapes and sizes and poor cutting quality. In addition, most existing pelletizers can only produce plastic pellets of a single length, limiting their applicability and making them inconvenient to use, thus requiring further improvement. Utility Model Content

[0004] In view of the current state of the prior art, the technical problem to be solved by this utility model is to provide a plastic strip granulation line that improves processing efficiency and cutting quality, and expands the scope of application for ease of use.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a plastic strip granulation line, characterized in that it includes a base frame and a cutting mechanism and a positioning mechanism disposed on the top of the base frame and cooperating with each other;

[0006] The cutting mechanism includes a first electric slide fixed to the top of the base frame and located below the movable frame, a movable frame movably connected to the top of the base frame and fixed to the movable end of the first electric slide to enable left and right translation by means of the first electric slide, a second electric slide fixed on the movable frame, and a cutting component disposed on the movable end of the second electric slide to enable forward and backward translation by means of the second electric slide.

[0007] The positioning mechanism includes multiple positioning units movably connected to the top of the base frame, each having the function of left and right translation, and arranged horizontally from left to right. Each positioning unit includes an L-shaped bracket, two support plates vertically fixed to the inner wall of the lower side of the L-shaped bracket and arranged symmetrically on the left and right, a U-shaped pressure plate inverted above the two support plates, and a positioning electric cylinder fixed to the upper end of the L-shaped bracket. The telescopic end of the positioning electric cylinder is vertically downward and fixed to the top of the U-shaped pressure plate.

[0008] The bottom opening of the U-shaped pressure plate has a positioning plate formed on both the left and right sides. The two positioning plates are staggered from the two support plates. The end edges of the two positioning plates are formed with symmetrical arc-shaped pressure grooves. Correspondingly, the end edges of the two support plates are formed with symmetrical arc-shaped support grooves.

[0009] The L-shaped bracket has an L-shaped cutting groove located between two support plates.

[0010] Preferably, the cutting assembly includes a motor fixed on the moving end of the second electric slide, a first pulley concentrically fixed on the rotating shaft of the motor, a cutting shaft laterally and rotatably connected to the moving end of the second electric slide and located in front of the motor, a blade and a second pulley concentrically fixed at both ends of the cutting shaft, and a belt sleeved on the second pulley and the first pulley, wherein the thickness of the blade is matched with the width of the L-shaped cutting groove.

[0011] Preferably, the base frame is further provided with a receiving hopper, the top opening of which is fixed to the top inner wall of the base frame, and a vertically arranged discharge pipe is inserted into the bottom of the receiving hopper.

[0012] Preferably, a side frame is also fixed to the right side of the base frame, the top height of the side frame is matched with the height of each positioning unit, and two vertically arranged and symmetrically distributed baffles are also fixed to the top of the side frame.

[0013] Preferably, the positioning mechanism further includes a first guide rod laterally fixed to the top of the base frame and a second guide rod laterally fixed to the top of the base frame and located above and behind the first guide rod; correspondingly, the positioning unit further includes two sliders respectively fixed to both ends of the L-shaped bracket, and the two sliders are respectively movably sleeved on the first guide rod and the second guide rod.

[0014] Preferably, a knob screw is also screwed into one side of each of the two sliders, and the threaded end of each knob screw abuts against the outer wall of the first guide rod or the second guide rod.

[0015] Preferably, the L-shaped bracket also has two L-shaped guide grooves located on the left and right sides of the L-shaped cutting groove, and the rear edges of the two positioning plates are respectively movably inserted into the two L-shaped guide grooves.

[0016] Compared with the prior art, the advantages of this utility model are as follows: This utility model can squeeze and clamp multiple layers of plastic strips together for cutting, thereby greatly increasing the number of plastic strips that can be processed at one time, thus improving processing efficiency; at the same time, it can effectively fix the plastic strips to prevent skewing during cutting, thereby ensuring uniform particle shape and size, thus improving cutting quality; in addition, the length of the plastic particles can be adjusted as needed, thereby expanding the scope of application and facilitating use. Attached Figure Description

[0017] The above and other features, advantages, and aspects of the embodiments of this application will become more apparent when taken in conjunction with the accompanying drawings and the following detailed description; throughout the drawings, the same or similar reference numerals denote the same or similar elements; it should be understood that the drawings are schematic, and the originals and elements are not necessarily drawn to scale; in the drawings:

[0018] Figure 1 This is a structural diagram of the right rear side of this utility model;

[0019] Figure 2 This is a structural diagram of the left rear side of the positioning unit of this utility model. Detailed Implementation

[0020] Unless otherwise defined, the technical or scientific terms used in this utility model shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.

[0022] like Figures 1-2 As shown, a plastic strip granulation line includes a base frame 1 and a cutting mechanism 2 and a positioning mechanism 3 located on the top of the base frame 1 and cooperating with each other.

[0023] The cutting mechanism 2 includes a first electric slide 29 fixed to the top of the base frame 1 and located below the movable frame 21, a movable frame 21 movably connected to the top of the base frame 1 and fixed to the movable end of the first electric slide 29 to enable left and right translation by means of the first electric slide 29, a second electric slide 22 fixed on the movable frame 21, and a cutting assembly provided on the movable end of the second electric slide 22 to enable forward and backward translation by means of the second electric slide 22;

[0024] The positioning mechanism 3 includes multiple positioning units 33 that are movably connected to the top of the base frame 1 and are arranged horizontally from left to right, each having the function of left and right translation. The positioning unit 33 includes an L-shaped bracket 331, two support plates 332 that are vertically fixed to the lower inner wall of the L-shaped bracket 331 and symmetrically arranged on the left and right, a U-shaped pressure plate 333 that is inverted above the two support plates 332, and a positioning electric cylinder 334 fixed to the upper end of the L-shaped bracket 331. The telescopic end of the positioning electric cylinder 334 is vertically downward and fixed to the top of the U-shaped pressure plate 333.

[0025] The bottom opening of the U-shaped pressure plate 333 has a positioning plate 3331 on both the left and right sides. The two positioning plates 3331 are offset from the two support plates 332 respectively. The end edges of the two positioning plates 3331 are formed with an arc-shaped pressure groove 3331 that is symmetrically arranged. Correspondingly, the end edges of the two support plates 332 are formed with an arc-shaped support groove 3321 that is symmetrically arranged.

[0026] The L-shaped bracket 331 has an L-shaped cutting groove 3311 located between two support plates 332.

[0027] The cutting assembly includes a motor 23 fixed on the moving end of the second electric slide 22, a first pulley 24 concentrically fixed on the rotating shaft of the motor 23, a cutting shaft 25 laterally and rotatably connected to the moving end of the second electric slide 22 and located in front of the motor 23, a blade 28 and a second pulley 27 concentrically fixed at both ends of the cutting shaft 25, and a belt 26 sleeved on the second pulley 27 and the first pulley 24.

[0028] The thickness of the blade 28 is matched with the width of the L-shaped cutting groove 3311.

[0029] The base frame 1 is also equipped with a receiving hopper 4. The top opening of the receiving hopper 4 is fixed to the top inner wall of the base frame 1, and the bottom of the receiving hopper 4 is also connected to a vertically arranged discharge pipe 7.

[0030] A side frame 5 is also fixed on the right side of the base frame 1. The top height of the side frame 5 is matched with the height of each positioning unit 33.

[0031] The top of the side frame 5 is also fixed with two vertically arranged baffles 6 that are symmetrically distributed front and back.

[0032] The positioning mechanism 3 includes a first guide rod 32 that is laterally fixed to the top of the base frame 1 and a second guide rod 31 that is laterally fixed to the top of the base frame 1 and located above and behind the first guide rod 32; correspondingly, the positioning unit 33 also includes two sliders 335 that are respectively fixed to both ends of the L-shaped bracket 331, and the two sliders 335 are respectively movably sleeved on the first guide rod 32 and the second guide rod 31.

[0033] Each of the two sliders 335 has a knob screw 336 screwed into one side, and the threaded end of each knob screw 336 is pressed against the outer wall of the first guide rod 32 or the second guide rod 31.

[0034] The positioning unit 33 also includes a limiting rod 337 movably connected to the upper end of the L-shaped bracket 331 to have the function of vertical movement up and down. The lower end of the limiting rod 337 is fixed to the top of the U-shaped pressure plate 333.

[0035] The L-shaped bracket 331 also has two L-shaped guide grooves 3312 located on the left and right sides of the L-shaped cutting groove 3311, respectively. The rear edges of the two positioning plates 3331 are movably inserted into the two L-shaped guide grooves 3312 to prevent the two positioning plates 3331 from shifting left and right.

[0036] Working principle:

[0037] A certain number of plastic strips are placed horizontally on the top of the side frame 5 and between the two baffles 6. Then, the telescopic end of the positioning electric cylinder 334 in each positioning unit 33 is driven to retract inward to drive the U-shaped pressure plate 333 to move upward, so that the two positioning plates 3331 are respectively located above the two support plates 332.

[0038] Then, the left end of each plastic strip is moved to the left and placed into the arc-shaped groove 3321 on the support plate 332 in each positioning unit 33. Then, each positioning unit 33 is moved left and right according to the length of the particle to adjust the distance between any two positioning units 33 to the predetermined size. Then, the telescopic end of the positioning electric cylinder 334 is extended outward to drive the U-shaped pressure plate 333 to move down until the arc-shaped pressure groove 3331 on the two positioning plates 3331 presses each plastic strip down, so that each plastic strip is tightly attached to each other and prevents it from moving up, down, left, or right. At this time, each positioning plate 3331 is located on the left or right side of the corresponding support plate 332.

[0039] Next, the motor 23 in the cutting assembly is started to rotate its rotating shaft, which in turn drives the cutting shaft 25 to rotate via the first pulley 24, the second pulley 27 and the belt 26, thereby driving the blade 28 to rotate. Then, the moving end of the first electric slide 29 is driven to move to the left, so that the cutting assembly can be driven to move to the left via the moving frame 21 and the second electric slide 22, until the blade 28 is located directly behind the L-shaped cutting groove 3311 on the L-shaped bracket 331 in the leftmost positioning unit 33. Then, the moving end of the second electric slide 22 is driven to move forward, so that the cutting assembly can move forward, thereby causing the blade 28 to gradually move forward into the L-shaped cutting groove 3311, thereby cutting each compressed plastic strip. The cut short pieces automatically fall into the receiving hopper 4 for collection and are discharged outward through the discharge pipe 7.

[0040] After the first cut is completed, the moving end of the second electric slide 22 is driven to move backward, so that the blade 28 is moved backward to the L-shaped cutting groove 3311 on the L-shaped bracket 331 in the leftmost positioning unit 33. Then, the moving end of the first electric slide 29 is driven to move left, so that the cutting assembly is moved right, until the blade 28 is located behind the L-shaped cutting groove 3311 on the L-shaped bracket 331 in the second positioning unit 33 from the left. Then, the moving end of the second electric slide 22 is driven to move forward, so that the cutting assembly moves forward, and then each compressed plastic strip is cut a second time. The cut short pieces automatically fall into the receiving hopper 4 for collection and are discharged out through the discharge pipe 7, and so on.

[0041] After the blade 28 completes the last cut, the telescopic end of the positioning electric cylinder 334 in each positioning unit 33 is driven to retract inward to drive the U-shaped pressure plate 333 to move upward, thereby releasing each plastic strip. Then, each plastic strip is moved to the left to complete the feed. Subsequently, the U-shaped pressure plate 333 is forced to move downward again to press each plastic strip tightly, and then the second round of cutting can be carried out.

[0042] This invention can squeeze and clamp multiple layers of plastic strips together for cutting, thereby greatly increasing the number of plastic strips that can be processed at one time and thus improving processing efficiency; at the same time, it can effectively fix the plastic strips to prevent them from skewing during cutting, thereby ensuring that the shape and size of the particles are uniform and thus improving the cutting quality; in addition, the length of the plastic particles can be adjusted as needed, thereby expanding the scope of application and making it more convenient to use.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A plastic strip granulation line, characterized in that, It includes a base frame and a cutting mechanism and a positioning mechanism located on top of the base frame and cooperating with each other; The cutting mechanism includes a first electric slide fixed to the top of the base frame and located below the movable frame, a movable frame movably connected to the top of the base frame and fixed to the movable end of the first electric slide to enable left and right translation by means of the first electric slide, a second electric slide fixed on the movable frame, and a cutting component disposed on the movable end of the second electric slide to enable forward and backward translation by means of the second electric slide. The positioning mechanism includes multiple positioning units movably connected to the top of the base frame, each having the function of left and right translation, and arranged horizontally from left to right. Each positioning unit includes an L-shaped bracket, two support plates vertically fixed to the inner wall of the lower side of the L-shaped bracket and arranged symmetrically on the left and right, a U-shaped pressure plate inverted above the two support plates, and a positioning electric cylinder fixed to the upper end of the L-shaped bracket. The telescopic end of the positioning electric cylinder is vertically downward and fixed to the top of the U-shaped pressure plate. The bottom opening of the U-shaped pressure plate has a positioning plate formed on both the left and right sides. The two positioning plates are staggered from the two support plates. The end edges of the two positioning plates are formed with symmetrical arc-shaped pressure grooves. Correspondingly, the end edges of the two support plates are formed with symmetrical arc-shaped support grooves. The L-shaped bracket has an L-shaped cutting groove located between two support plates.

2. The plastic strip granulation line according to claim 1, characterized in that, The cutting assembly includes a motor fixed on the moving end of the second electric slide, a first pulley concentrically fixed on the rotating shaft of the motor, a cutting shaft laterally and rotatably connected to the moving end of the second electric slide and located in front of the motor, a blade and a second pulley concentrically fixed at both ends of the cutting shaft, and a belt sleeved on the second pulley and the first pulley. The thickness of the blade is matched with the width of the L-shaped cutting groove.

3. The plastic strip granulation line according to claim 1, characterized in that, The base frame is also equipped with a receiving hopper. The top opening of the receiving hopper is fixed to the top inner wall of the base frame, and a vertically arranged discharge pipe is inserted into the bottom of the receiving hopper.

4. A plastic strip granulation line according to claim 1, characterized in that, A side frame is also fixed to the right side of the base frame. The top height of the side frame is matched with the height of each positioning unit. Two vertically arranged and symmetrically distributed baffles are also fixed to the top of the side frame.

5. A plastic strip granulation line according to claim 1, characterized in that, The positioning mechanism includes a first guide rod that is laterally fixed to the top of the base frame and a second guide rod that is laterally fixed to the top of the base frame and located above and behind the first guide rod; correspondingly, the positioning unit also includes two sliders that are respectively fixed to both ends of the L-shaped bracket, and the two sliders are respectively movably sleeved on the first guide rod and the second guide rod.

6. A plastic strip granulation line according to claim 5, characterized in that, Each of the two sliders is also screwed into one side with a knob screw, and the threaded end of each knob screw is pressed against the outer wall of the first guide rod or the second guide rod.

7. A plastic strip granulation line according to claim 1, characterized in that, The L-shaped bracket also has two L-shaped guide grooves located on the left and right sides of the L-shaped cutting groove, respectively, and the rear edges of the two positioning plates are respectively movably inserted into the two L-shaped guide grooves.

Images