Preheating plastic granulator

Abstract

The utility model discloses a preheating plastic granulator which is characterized in that a granulator main body comprises a device shell, a heating wire is fixedly mounted on the inner wall of the device shell, one end of the side edge of the device shell is fixedly mounted with a motor I, and an output shaft of the motor I penetrates into the device shell and is fixedly connected with a material conveying shaft; the other end of the conveying shaft is rotationally connected with the inner wall of the device shell, a plurality of discharging ports are formed in the surface of the side, away from the first motor, of the device shell, a screw is rotationally connected to the position, below the discharging ports, of the surface of the first motor, the screw is integrally obliquely arranged, and the outer side wall of the screw is sleeved with a sliding plate in a threaded mode; the back face of the sliding plate is in sliding connection with the device shell, an adjusting opening is formed in the outer surface of the sliding plate, and when the sliding plate moves, the overlapping area of the adjusting opening and the discharging opening is changed, so that the plastic strips output from the discharging opening can become the plastic strips with the smaller cross-sectional area after being secondarily extruded by the adjusting opening.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production, in particular to a preheating plastic granulator. Background Art

[0002] A plastic granulator is a device used to process waste plastic or raw plastic into granules. It processes plastic materials into granules through a series of heating, extrusion, cutting and other processes, which can be used to manufacture plastic products or other purposes.

[0003] A Chinese patent discloses a plastic granulator (publication number: CN220373660U). When the device is in use, the plastic raw material is added into the silo, and then chopped into pieces and transported into the main body of the plastic granulator by the spiral feed shaft. During the transportation process, it is heated and melted by the electric heating tube, and then extruded from the extrusion hole. The cutting frame is driven up and down by the electric push rod. During the up and down movement, each group of parallel heating wires contacts each group of plastic strips extruded from the extrusion hole for cutting. Each group of cutting is synchronized, so that the size of the plastic particles produced by cutting is uniform, the error is small, and the quality of the product is guaranteed. However, the device still has the following defects:

[0004] Although the cutting wheel in the above device can cut large pieces of plastic into small pieces, there may be adhesion between the small plastic pieces, which will affect the melting effect during the subsequent heating process, and the size of the plastic cannot be changed when it is output into strips, so it cannot meet various production needs. Therefore, a preheating plastic granulator is proposed for improvement. Utility Model Content

[0005] The technical problems to be solved by the utility model are as follows: small plastic blocks may be adhered to each other, thereby affecting the melting effect in the subsequent heating process, and the size of the plastic strips cannot be changed when they are output, thereby failing to meet various production needs.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A preheating plastic granulator, comprising a slitting mechanism, a granulator body is arranged on the top of the slitting mechanism, the slitting mechanism comprises a cutting knife, and the granulator body comprises a first motor and a second motor;

[0008] The granulator body also includes a device shell, the inner wall of which is fixedly mounted with a heating wire, one end of the side of the device shell is fixedly mounted with a motor 1, the output shaft of the motor 1 penetrates into the device shell and is fixedly connected with a feed shaft, and the other end of the feed shaft is rotatably connected with the inner wall of the device shell;

[0009] The device housing is provided with a plurality of discharge ports on a side surface away from the motor 1, and a screw is rotatably connected to the surface of the motor 1 and below the discharge port. The screw is arranged obliquely as a whole, and a slide plate is threadedly sleeved on the outer wall of the screw, and the back of the slide plate is slidably connected to the device housing;

[0010] Wherein, the outer surface of the slide plate is provided with adjustment openings, and the number and size of the adjustment openings are consistent with the discharge opening.

[0011] As a further solution of the utility model: a feed port is opened at one end of the top of the device shell, the device shell is located inside the feed port and is rotatably connected to a crushing roller, a filter plate is fixedly installed on the inner wall of the device shell and located below the crushing roller, and a movable groove is opened on the inner wall of the device shell and located above the filter plate.

[0012] As a further solution of the utility model: a plurality of filter holes are formed on the outer surface of the filter plate, and an interception plate is fixedly connected to the top of the filter plate and located near the filter holes.

[0013] As a further solution of the utility model: one end of the side wall of the device shell is fixedly installed with motor 2, the output shaft of motor 2 faces downward and is fixedly installed with a rotating plate, one end of the bottom edge of the rotating plate is fixedly connected with a push shaft, the outer side of the push shaft is slidably connected with a movable frame, one end of the side wall of the movable frame is fixedly connected with a connecting rod, one end of the connecting rod penetrates the surface of the device shell and is located inside the movable groove, and the outer wall of the connecting rod is slidably connected to the inner side of the movable groove.

[0014] As a further solution of the utility model: the movable groove is fixedly connected to a movable frame at one end away from the movable frame, the movable frame is located above the filter plate as a whole, a plurality of inner rods are fixedly connected to the inner side of the movable frame, and the length direction of each inner rod is perpendicular to the length direction of the movable frame.

[0015] As a further solution of the utility model: crushing knives are fixedly connected to both sides of the outer wall of each inner rod, and the outer side wall of the crushing knife is in active contact with the interception plate.

[0016] As a further solution of the utility model: the slitting mechanism also includes a base plate, the top of the base plate is fixedly installed with the supporting foot, the top of the supporting foot and one side close to the skateboard is fixedly installed with a limiting frame, the inner side of the limiting frame is slidably connected with a mounting plate, and the inner side of the mounting plate and close to the adjusting port is fixedly installed with the cutting knife.

[0017] Beneficial effects of the utility model:

[0018] (1) The utility model extrude the plastic strips produced in the granulator through the discharge port, and an adjustable and movable slide plate is arranged outside the discharge port, and an adjustment port is provided on the surface of the slide plate. When the slide plate moves, the overlapping area between the adjustment port and the discharge port changes, so that the plastic strips output from the discharge port can be converted into plastic strips with a smaller cross-sectional area after secondary extrusion through the adjustment port, and then the size of the output plastic strips is different according to the movement distance of the slide plate;

[0019] (2) Large pieces of plastic are broken up by the rotating crushing roller and fall onto the filter plate. Smaller pieces of plastic fall normally from the filter holes, while larger pieces of plastic are intercepted by the filter plate. At this time, start the second motor to drive the moving frame to move back and forth. The crushing knife on the inside of the moving frame cuts the plastic pieces above the filter plate back and forth and assists the plastic pieces above the filter plate to pass through the filter holes, thus ensuring the effect of subsequent melting of the plastic pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 It is a schematic diagram of the overall internal structure of the utility model;

[0022] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure of region A;

[0023] Figure 3 It is a side view structural diagram of the slide plate in the utility model;

[0024] Figure 4 It is a schematic diagram of the top view structure of the movable frame in the utility model;

[0025] Figure 5 It is a schematic diagram of the structure of the rotating plate in the utility model when viewed from above.

[0026] In the figure: 1. slitting mechanism; 101. bottom plate; 102. supporting foot; 103. limiting frame; 104. mounting plate; 105. cutting knife; 2. granulator body; 201. device shell; 202. crushing roller; 203. motor 1; 204. feeding shaft; 205. discharging port; 206. motor 2; 207. rotating plate; 208. pushing shaft; 209. movable frame; 210. connecting rod; 211. movable groove; 212. filter plate; 213. filter hole; 214. intercepting plate; 215. moving frame; 216. inner rod; 217. crushing knife; 218. sliding plate; 219. adjusting port; 220. screw; 221. heating wire. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-5 As shown, a preheating plastic granulator includes a slitting mechanism 1, a granulator body 2 is arranged on the top of the slitting mechanism 1, the slitting mechanism 1 includes a cutting knife 105, and the granulator body 2 includes a motor 1 203 and a motor 2 206; the granulator body 2 also includes a device housing 201, a heating wire 221 is fixedly installed on the inner wall of the device housing 201, one end of the side of the device housing 201 is fixedly installed with the motor 1 203, the output shaft of the motor 1 203 penetrates the device housing 201 and is fixedly connected with a feed shaft 204, and the other end of the feed shaft 204 The device housing 201 is rotatably connected to the inner wall thereof; wherein, the device housing 201 is provided with a plurality of discharge ports 205 on the surface of the side away from the motor 1 203, and a screw 220 is rotatably connected to the surface of the motor 1 203 and located below the discharge port 205, the screw 220 is arranged obliquely as a whole, and a slide plate 218 is threadedly sleeved on the outer wall of the screw 220, and the back of the slide plate 218 is slidably connected to the device housing 201; wherein, the outer surface of the slide plate 218 is provided with an adjustment port 219, and the number and size of the adjustment port 219 are consistent with the discharge port 205, such as Figure 3 As shown, the regulating port 219 and the discharge port 205 are both set in a square shape, and the screw 220 and the length direction of the discharge port 205 form an angle of 45 degrees;

[0029] A feed port is provided at one end of the top of the device housing 201. A crushing roller 202 is rotatably connected to the device housing 201 located inside the feed port. A filter plate 212 is fixedly installed on the inner wall of the device housing 201 and located below the crushing roller 202. A movable groove 211 is provided on the inner wall of the device housing 201 and located above the filter plate 212. A plurality of filter holes 213 are provided on the outer surface of the filter plate 212. An interception plate 214 is fixedly connected to the top of the filter plate 212 and located near the filter holes 213. Figure 4 As shown, the filter plate 212 blocks the connected plastic blocks;

[0030] One end of the side wall of the device housing 201 is fixedly installed with the second motor 206, the output shaft of the second motor 206 faces downward and is fixedly installed with a rotating plate 207, one end of the bottom edge of the rotating plate 207 is fixedly connected with a push shaft 208, the outer side of the push shaft 208 is slidably connected with a movable frame 209, one end of the side wall of the movable frame 209 is fixedly connected with a connecting rod 210, one end of the connecting rod 210 penetrates the surface of the device housing 201 and is located inside the movable groove 211, and the outer wall of the connecting rod 210 is slidably connected with the inner side of the movable groove 211, as shown in FIG. Figure 2 , Figure 4 As shown, the push shaft 208 pushes the inner side of the movable frame 209 to move, and the connecting rod 210 connected to the movable frame 209 is limited by the movable groove 211, so that the movable frame 209 can only reciprocate in a single direction;

[0031] The movable groove 211 is located at one end away from the movable frame 209 and is fixedly connected to a movable frame 215. The movable frame 215 is located above the filter plate 212 as a whole. A plurality of inner rods 216 are fixedly connected to the inner side of the movable frame 215, and the length direction of each inner rod 216 is perpendicular to the length direction of the movable frame 215. Both sides of the outer wall of each inner rod 216 are fixedly connected to crushing knives 217. The outer side wall of the crushing knife 217 is in active contact with the interception plate 214, such as Figure 4 As shown, the interception plate 214 prevents the plastic block to be cut from moving around, so that the crushing knife 217 can better cut the plastic block;

[0032] The slitting mechanism 1 also includes a bottom plate 101, the top of the bottom plate 101 is fixedly installed with the support foot 102, the top of the support foot 102 and one side close to the slide plate 218 is fixedly installed with a limit frame 103, the inner side of the limit frame 103 is slidably connected with a mounting plate 104, and the inner side of the mounting plate 104 and the cutting knife 105 are fixedly installed near the adjustment port 219, such as Figure 1 As shown, the cutting knife 105 is an electric heating cutting knife, which is convenient for quickly cutting the plastic strips into particles. This is a prior art and will not be elaborated on.

[0033] The working principle of this utility model:

[0034] When the device is in use, the plastic pieces are placed above the crushing roller 202, and the rotating crushing roller 202 crushes the large plastic pieces. The crushed plastic pieces fall on the top of the filter plate 212, and the second motor 206 is started to drive the rotating plate 207 and its push shaft 208 to rotate. The push shaft 208 pushes the inner side of the movable frame 209 and drives the movable frame 209 to reciprocate inside the device housing 201 through the connecting rod 210, so that the inner rod 216 drives the crushing knives 217 on both sides to move back and forth to cut the plastic pieces, and the interception plate 214 above the filter plate 212 limits the plastic pieces to improve the cutting efficiency;

[0035] Secondly, the motor 203 drives the feed shaft 204 to rotate and transport the plastic block to the discharge port. During the transportation process, the plastic block is preheated by the heating wire 221 on one side and finally heated and melted by the heating wires 221 on both sides. The rotating screw 220 drives the slide plate 218 to move near the discharge port 205. The overlapping area of ​​the discharge port 205 and the adjustment port 219 changes, and the melted plastic block is shaped and output on the inner side of the overlapping area of ​​the discharge port 205 and the adjustment port 219. Then, the movable mounting plate 104 moves on the limit frame 103, and the cutting knife 105 cuts the reshaped plastic strips.

[0036] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A preheating plastic granulator, comprising a slitting mechanism (1), a granulator body (2) is arranged on the top of the slitting mechanism (1), the slitting mechanism (1) comprises a cutting knife (105), and the granulator body (2) comprises a motor 1 (203) and a motor 2 (206); It is characterized in that The granulator body (2) further comprises a device housing (201), a heating wire (221) is fixedly mounted on the inner wall of the device housing (201), one end of the side of the device housing (201) is fixedly mounted with a motor 1 (203), an output shaft of the motor 1 (203) penetrates into the device housing (201) and is fixedly connected with a feed shaft (204), and the other end of the feed shaft (204) is rotatably connected with the inner wall of the device housing (201); The device housing (201) is provided with a plurality of discharge ports (205) on a surface of a side away from the motor one (203); a screw rod (220) is rotatably connected to the surface of the motor one (203) and located below the discharge port (205); the screw rod (220) is disposed obliquely as a whole; a slide plate (218) is threadedly sleeved on the outer wall of the screw rod (220); and the back side of the slide plate (218) is slidably connected to the device housing (201); The outer surface of the slide plate (218) is provided with adjustment openings (219), and the number and size of the adjustment openings (219) are consistent with the discharge opening (205).

2. A preheating plastic granulator according to claim 1, characterized in that: A feed port is provided at one end of the top of the device housing (201); a crushing roller (202) is rotatably connected to the device housing (201) located inside the feed port; a filter plate (212) is fixedly installed on the inner wall of the device housing (201) and located below the crushing roller (202); and a movable groove (211) is provided on the inner wall of the device housing (201) and located above the filter plate (212).

3. A preheating plastic granulator according to claim 2, characterized in that: The outer surface of the filter plate (212) is provided with a plurality of filter holes (213), and an interception plate (214) is fixedly connected to the top of the filter plate (212) and located near the filter holes (213).

4. A preheating plastic granulator according to claim 1, characterized in that: One end of the side wall of the device housing (201) is fixedly mounted to the second motor (206); the output shaft of the second motor (206) faces downward and is fixedly mounted with a rotating plate (207); one end of the bottom edge of the rotating plate (207) is fixedly connected to a push shaft (208); the outer side of the push shaft (208) is slidably connected to a movable frame (209); one end of the side wall of the movable frame (209) is fixedly connected to a connecting rod (210); one end of the connecting rod (210) penetrates the surface of the device housing (201) and is located inside the movable groove (211); and the outer wall of the connecting rod (210) is slidably connected to the inner side of the movable groove (211).

5. A preheating plastic granulator according to claim 2, characterized in that: The movable groove (211) is located at one end away from the movable frame (209) and is fixedly connected to a movable frame (215). The movable frame (215) is located above the filter plate (212) as a whole. A plurality of inner rods (216) are fixedly connected to the inner side of the movable frame (215), and the length direction of each inner rod (216) is perpendicular to the length direction of the movable frame (215).

6. A preheating plastic granulator according to claim 5, characterized in that: Crushing knives (217) are fixedly connected to both sides of the outer wall of each inner rod (216), and the outer side walls of the crushing knives (217) are in active contact with the interception plate (214).

7. A preheating plastic granulator according to claim 1, characterized in that: The slitting mechanism (1) further comprises a bottom plate (101), the top of the bottom plate (101) being fixedly mounted to a supporting foot (102), a limiting frame (103) being fixedly mounted to the top of the supporting foot (102) and on a side close to the slide plate (218), a mounting plate (104) being slidably connected to the inner side of the limiting frame (103), and a cutting knife (105) being fixedly mounted to the inner side of the mounting plate (104) and close to the adjustment port (219).

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