Raw material melting mechanism for plastic product preparation

Abstract

The utility model belongs to the technical field of plastic product preparation equipment, and discloses a plastic product preparation raw material melting mechanism which comprises a heating box body, supporting plates are symmetrically and fixedly connected to the outer side of the heating box body, a stirring box body is arranged above the heating box body, and a crushing box body is arranged above the stirring box body; a feeding frame is arranged at the top of the crushing box, crushing rollers are symmetrically and rotationally connected into the crushing box, a plurality of first blades are fixedly connected to the outer sides of the crushing rollers, guide plates are symmetrically and fixedly connected into the crushing box, and the rear ends of the crushing rollers penetrate through an inner cavity of the side wall of the crushing box and extend to the outer side of the crushing box. The outer side of the crushing roller is fixedly connected with a gear; the problems that large plastic particles are heated slowly, the melting speed is low and the efficiency is low due to the fact that no crushing device is arranged in the prior art are solved.

Description

Technical Field

[0001] The present application relates to the technical field of plastic product preparation equipment, and more specifically, to a raw material melting mechanism for preparing plastic products. Background Art

[0002] The raw materials for plastic products are in solid state. In order to process the plastic into a specific shape, the plastic raw materials need to be heated to make it molten, and then processed by an injection molding machine to make the finished product.

[0003] The search publication (announcement) number: CN213947062U discloses a raw material melting device for preparing artificial flowers, including a device bracket, a raw material stirring mechanism, a heating and melting mechanism, and a discharging mechanism for controlling the discharging of the raw materials. The upper front side of the device bracket is connected to the raw material stirring mechanism... This application uses the raw material stirring mechanism to achieve stirring of different types of artificial flower plastic particles, improves stirring uniformity, and improves product quality. The heating and melting mechanism is used to achieve full melting of the artificial flower raw materials, which is beneficial to the next step of injection molding and improves production efficiency. The discharging mechanism meets the different production needs of the raw materials of the production line, which is convenient for controlling the injection molding and discharging rates of the raw materials. However, the application does not have a crushing device, which causes large pieces of plastic particles to heat slowly, melt slowly, and have low efficiency.

[0004] In order to solve the above problems, the present application provides a raw material melting mechanism for preparing plastic products. Utility Model Content

[0005] The present application provides the following technical solution: a raw material melting mechanism for preparing plastic products, comprising a heating box, a support plate is symmetrically fixedly connected to the outer side of the heating box, a stirring box is arranged above the heating box, a crushing box is arranged above the stirring box, a feeding frame is arranged on the top of the crushing box, a crushing roller is symmetrically rotatably connected to the inside of the crushing box, a plurality of first blades are fixedly connected to the outer side of the crushing roller, a guide plate is symmetrically fixedly connected to the inside of the crushing box, the rear end of the crushing roller passes through the inner cavity of the side wall of the crushing box and extends to the outer side of the crushing box, a gear is fixedly connected to the outer side of the crushing roller, and the crushing box A second motor is fixedly connected to the back side of the body, and the output end of the second motor is fixedly connected to the rear end of one of the crushing rollers, the crushing box and the stirring box are connected by a feed pipe, and a discharge pipe is fixedly connected to the bottom of the stirring box, the outer side of one of the stirring boxes is fixedly connected to the first motor, the output end of the first motor is fixedly connected to a rotating rod, the right end of the rotating rod passes through the side wall cavities of multiple stirring boxes, a crushing mechanism is provided on the lower side of the crushing box, a stirring mechanism is provided on the lower side of the stirring box, a transmission mechanism is provided on the upper side of the stirring box, and a heating mechanism is provided inside the heating box.

[0006] The above technical solution solves the problem that the prior art does not have a crushing device, resulting in slow heating, slow melting speed and low efficiency of large plastic particles.

[0007] Furthermore, the crushing mechanism includes a vertical rod rotatably connected to the inside of the crushing box, the outer side of the vertical rod is symmetrically fixedly connected with a second blade, and the bottom end of the vertical rod passes through the feed pipe and extends to the inside of the mixing box.

[0008] Through the above technical solution, the plastic particles can be better crushed.

[0009] Furthermore, the stirring mechanism includes a stirring shaft rotatably connected to the inside of the stirring box, and a stirring rod is symmetrically fixedly connected to the outside of the stirring shaft.

[0010] Through the above technical solution, the plastic particles are fully mixed.

[0011] Furthermore, the transmission mechanism includes a fixed box body fixedly connected to the inside of the mixing box body, the rotating rod passes through the interior of the fixed box body, the interior of the fixed box body is provided with a first bevel gear fixedly sleeved on the outside of the rotating rod, and two second bevel gears are provided inside the fixed box body, the bottom end of the vertical rod and the top end of the mixing shaft respectively pass through the top and bottom of the fixed box body and extend to the interior of the fixed box body, and the two second bevel gears are respectively fixedly sleeved on the outside of the vertical rod and the mixing shaft.

[0012] Furthermore, both the front and rear sides of the fixed box body are fixedly connected with connecting rods, one end of the connecting rod away from the fixed box body is fixedly connected to the inner wall of the mixing box body, and the first bevel gear and the second bevel gear are meshed and driven.

[0013] Furthermore, the heating mechanism includes a block and an electric heating tube. The block is symmetrically fixedly connected to the inside of the heating box. The left and right end surfaces of the block and the inner wall of the heating box are both installed with the electric heating tube.

[0014] Through the above technical solution, the plastic particles inside the discharge pipe are melted.

[0015] Furthermore, the bottom end of the discharge pipe passes through the top and bottom of the heating box and extends to the bottom of the heating box, and the upper and lower parts of the discharge pipe are respectively installed with a first valve and a second valve.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] The second motor is controlled to rotate to drive the two gears to rotate in opposite directions, thereby driving the two crushing rollers inside the crushing box to rotate in opposite directions, so that the first blade on the outer side of the crushing roller is used to crush the plastic particles. The first motor is controlled to rotate to drive the rotating rod and the first bevel gear to rotate. The rotation of the first bevel gear drives the two second bevel gears to rotate. The rotation of the two second bevel gears respectively drives the vertical rod and the stirring shaft to rotate. The rotation of the vertical rod drives the second blade to rotate to crush the fallen plastic particles again, thereby improving the crushing effect, thereby crushing large pieces of plastic particles, and the plastic particles broken into small pieces are heated faster, thereby improving the melting rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 It is a top view of a part of the structure of the present application;

[0020] Figure 3 This is a partial structural front and cross-sectional view of the present application.

[0021] Description of the numbers in the figure:

[0022] 1. Support plate; 2. Heating box; 3. Discharge pipe; 4. Stirring box; 5. Feeding pipe; 6. Crushing box; 7. Loading frame; 8. First motor; 9. Rotating rod; 10. Gear; 11. First blade; 12. Crushing roller; 13. Second motor; 14. Guide plate; 15. Vertical rod; 16. Fixed box; 17. First bevel gear; 18. Second bevel gear; 19. Stirring rod; 20. Stirring shaft; 21. Block; 22. Electric heating tube; 23. Second blade. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] Example:

[0027] The present application embodiment discloses a raw material melting mechanism for preparing a plastic product. Figure 1 , Figure 2 and Figure 3 , including a heating box 2, the outer side of the heating box 2 is symmetrically fixedly connected with a support plate 1, a stirring box 4 is arranged above the heating box 2, a crushing box 6 is arranged above the stirring box 4, the outer wall of the crushing box 6 is fixedly connected to the support plate 1, a first reinforcing plate is fixedly connected between two adjacent support plates 1, a second reinforcing plate is fixedly connected to the outer side of the stirring box 4, both ends of the second reinforcing plate are fixedly connected to the support plate 1, a feeding frame 7 is arranged on the top of the crushing box 6, a top cover is hinged on the feeding frame 7, the top cover and the feeding frame 7 are fixed by buckles, and a connection with the feeding frame is opened on the top of the crushing box 6 7 corresponding to the feeding port, the crushing box 6 is symmetrically rotated and connected with a crushing roller 12, the two crushing rollers 12 inside the crushing box 6 are meshed, and the outer side of the crushing roller 12 is fixedly connected with a plurality of first blades 11, and the inner side of the crushing box 6 is symmetrically fixedly connected with a guide plate 14, and the guide plate 14 guides the plastic particles to between the two crushing rollers 12, and the rear end of the crushing roller 12 passes through the inner cavity of the side wall of the crushing box 6 and extends to the outer side of the crushing box 6, and the outer side of the crushing roller 12 is fixedly connected with a gear 10, and the two adjacent gears 10 are meshed and driven, and the back side of the crushing box 6 is fixedly connected with a second motor 13;

[0028] A mounting plate is fixedly connected to the lower side of the outer surface of the second motor 13, and the longitudinal section of the mounting plate is arranged in an "L"-shaped structure. Such a design gives way to the gear 10, and the output end of the second motor 13 is fixedly connected to the rear end of one of the crushing rollers 12, the crushing box 6 and the mixing box 4 are connected by a feed pipe 5, and a discharge pipe 3 is fixedly connected to the bottom of the mixing box 4, and a first motor 8 is fixedly connected to the outer side of one of the mixing boxes 4, and a rotating rod 9 is fixedly connected to the output end of the first motor 8, and the right end of the rotating rod 9 is rotatably connected to the inner wall of the rightmost mixing box 4, and the right end of the rotating rod 9 passes through the side wall cavities of multiple mixing boxes 4, a crushing mechanism is arranged on the lower side of the interior of the crushing box 6, a stirring mechanism is arranged on the lower side of the interior of the mixing box 4, a transmission mechanism is arranged on the upper side of the interior of the mixing box 4, and a heating mechanism is arranged inside the heating box 2.

[0029] See also Figure 3 The crushing mechanism includes a vertical rod 15 rotatably connected to the inside of the crushing box 6, a fixed rod is symmetrically fixedly connected to the lower side of the inside of the crushing box 6, and the cross-section of the fixed rod is a circular structure, a fixed ring is fixedly connected between the two fixed rods, the vertical rod 15 is rotatably connected to the inside of the fixed ring, and a second blade 23 is symmetrically fixedly connected to the outside of the vertical rod 15, the bottom end of the vertical rod 15 passes through the discharge pipe 5 and extends to the inside of the mixing box 4, the rotation of the vertical rod 15 drives the second blade 23 to rotate to cut the granular raw material again, thereby improving the crushing effect of the granular raw material.

[0030] See also Figure 3 The stirring mechanism includes a stirring shaft 20 rotatably connected to the inside of the stirring box 4, and a stirring rod 19 is symmetrically fixedly connected to the outer side of the stirring shaft 20. The stirring rod 19 rotates to stir the material, so that the material mixing effect is better.

[0031] See also Figure 3 The transmission mechanism includes a fixed box body 16 fixedly connected to the inside of the stirring box body 4, the rotating rod 9 passes through the inside of the fixed box body 16, and the inside of the fixed box body 16 is provided with a first bevel gear 17 fixedly sleeved on the outside of the rotating rod 9, and the inside of the fixed box body 16 is provided with two second bevel gears 18, the bottom end of the vertical rod 15 and the top end of the stirring shaft 20 respectively pass through the top and bottom of the fixed box body 16, and extend to the inside of the fixed box body 16, and the two second bevel gears 18 are respectively fixedly sleeved on the outside of the vertical rod 15 and the stirring shaft 20.

[0032] See also Figure 3 The front and rear sides of the fixed box body 16 are fixedly connected with connecting rods, and the cross-section of the connecting rod is a circular structure. One end of the connecting rod away from the fixed box body 16 is fixedly connected to the inner wall of the stirring box body 4, and the first bevel gear 17 and the second bevel gear 18 are meshed and driven.

[0033] See also Figure 3 The heating mechanism includes a block 21 and an electric heating tube 22. The block 21 is symmetrically fixedly connected to the inside of the heating box 2. The left and right end surfaces of the block 21 and the inner wall of the heating box 2 are both equipped with electric heating tubes 22. There are multiple electric heating tubes 22, which are arranged on the surrounding side of the discharge pipe 3, so that the electric heating tubes 22 generate heat when working, and heat the discharge pipe 3 in the heating box 2 to complete the melting of the granular raw materials.

[0034] See also Figure 3 The bottom end of the discharge pipe 3 passes through the top and bottom of the heating box 2 and extends to the bottom of the heating box 2. The upper and lower parts of the discharge pipe 3 are respectively installed with a first valve and a second valve. The first valve controls the material inside the stirring box 4 to complete the discharge, and the second valve controls the material inside the discharge pipe 3 to complete the discharge.

[0035] The implementation principle of the embodiment of the present application is as follows: the plastic granule raw material is added to the inside of the crushing box 6 through the feeding frame 7, the second motor 13 is controlled to rotate and drive the two gears 10 to rotate in opposite directions, thereby driving the two crushing rollers 12 in the crushing box 6 to rotate in opposite directions, so that the first blade 11 on the outer side of the crushing roller 12 is used to crush the plastic granules, the first motor 8 is controlled to rotate, the first motor 8 rotates to drive the rotating rod 9 and the first bevel gear 17 to rotate, the first bevel gear 17 rotates to drive the two second bevel gears 18 to rotate, the two second bevel gears 18 rotate to respectively drive the vertical rod 15 and the stirring shaft 20 to rotate, the vertical rod 15 rotates to drive the second blade 23 to rotate again to crush the falling plastic granules, and improve the crushing effect. The crushed plastic granules fall into the inside of the stirring box 4, the stirring shaft 20 rotates to drive the stirring rod 19 to rotate to stir the plastic granules, and finally the plastic granules flow into the inside of the discharge pipe 3, so that the electric heating pipe 22 works to generate heat, heats the discharge pipe 3 in the heating box 2 to complete the melting of the granule raw material, and finally, opens the second valve to complete the discharge of the molten granule raw material through the discharge pipe 3.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A raw material melting mechanism for preparing plastic products, comprising a heating box (2), characterized in that: The outer side of the heating box (2) is symmetrically fixedly connected with a support plate (1); a stirring box (4) is arranged above the heating box (2); a crushing box (6) is arranged above the stirring box (4); a feeding frame (7) is arranged on the top of the crushing box (6); a crushing roller (12) is symmetrically rotatably connected inside the crushing box (6); a plurality of first blades (11) are fixedly connected to the outer side of the crushing roller (12); a guide plate (14) is symmetrically fixedly connected inside the crushing box (6); the rear end of the crushing roller (12) passes through the inner cavity of the side wall of the crushing box (6) and extends to the outer side of the crushing box (6); a gear (10) is fixedly connected to the outer side of the crushing roller (12); and a second motor is fixedly connected to the back side of the crushing box (6). (13), and the output end of the second motor (13) is fixedly connected to the rear end of one of the crushing rollers (12), the crushing box (6) and the stirring box (4) are connected via a feed pipe (5), the bottom of the stirring box (4) is fixedly connected to a feed pipe (3), the outer side of one of the stirring boxes (4) is fixedly connected to a first motor (8), the output end of the first motor (8) is fixedly connected to a rotating rod (9), the right end of the rotating rod (9) passes through the inner cavities of the side walls of the stirring boxes (4), a crushing mechanism is arranged on the lower side of the crushing box (6), a stirring mechanism is arranged on the lower side of the stirring box (4), a transmission mechanism is arranged on the upper side of the stirring box (4), and a heating mechanism is arranged on the inside of the heating box (2).

2. A raw material melting mechanism for preparing plastic products according to claim 1, characterized in that: The crushing mechanism comprises a vertical rod (15) rotatably connected to the inside of the crushing box (6), a second blade (23) is symmetrically fixedly connected to the outer side of the vertical rod (15), and the bottom end of the vertical rod (15) passes through the feed pipe (5) and extends to the inside of the mixing box (4).

3. The raw material melting mechanism for preparing plastic products according to claim 1, characterized in that: The stirring mechanism comprises a stirring shaft (20) rotatably connected to the inside of the stirring box (4), and a stirring rod (19) is symmetrically fixedly connected to the outside of the stirring shaft (20).

4. A raw material melting mechanism for preparing plastic products according to claim 2, characterized in that: The transmission mechanism comprises a fixed box body (16) fixedly connected to the inside of the stirring box body (4); the rotating rod (9) passes through the inside of the fixed box body (16); a first bevel gear (17) fixedly sleeved on the outside of the rotating rod (9) is arranged inside the fixed box body (16); and two second bevel gears (18) are arranged inside the fixed box body (16); the bottom end of the vertical rod (15) and the top end of the stirring shaft (20) respectively pass through the top and bottom of the fixed box body (16) and extend to the inside of the fixed box body (16); and the two second bevel gears (18) are respectively fixedly sleeved on the outside of the vertical rod (15) and the stirring shaft (20).

5. A raw material melting mechanism for preparing plastic products according to claim 4, characterized in that: The front and rear sides of the fixed box body (16) are fixedly connected with connecting rods, and one end of the connecting rod away from the fixed box body (16) is fixedly connected to the inner wall of the stirring box body (4), and the first bevel gear (17) and the second bevel gear (18) are meshingly connected.

6. The raw material melting mechanism for preparing plastic products according to claim 1, characterized in that: The heating mechanism comprises a block (21) and an electric heating pipe (22); the block (21) is symmetrically fixedly connected to the interior of the heating box (2); and the left and right end surfaces of the block (21) and the inner wall of the heating box (2) are both equipped with the electric heating pipe (22).

7. The raw material melting mechanism for preparing plastic products according to claim 1, characterized in that: The bottom end of the discharge pipe (3) passes through the top and bottom of the heating box (2) and extends to the bottom of the heating box (2). The upper part and the lower part of the discharge pipe (3) are respectively installed with a first valve and a second valve.

Images