Plastic particle feeding hopper for medical blood collection tube production

Abstract

The utility model relates to the technical field of feed hoppers, in particular to a plastic particle feed hopper for medical blood collection tube production. According to the technical scheme, the device comprises a top cover, a motor is fixedly installed at the upper end of the top cover, the output end of the motor penetrates through the top cover and is connected with a rotating shaft, a plurality of stirring rods are fixedly installed at the position, close to the middle, of the outer wall of the rotating shaft, two inclined rods are fixedly installed at the lower end of the outer wall of the rotating shaft, and scrapers are fixedly installed at the tail ends of the two inclined rods; an oblique cone groove is formed in the bottom end of the rotating shaft. When the device is used, the feeding hopper is firstly fixed above the feeding end of the extruder through the screw hole, plastic particles are fed through the feeding port, the motor is started to drive the rotating shaft at the lower end to rotate, and the stirring rod is driven to stir the plastic particles in the feeding hopper when the rotating shaft rotates, so that the plastic particles in the feeding hopper are uniformly stirred. And when the raw materials reach the lower end of the feeding hopper, the scraper at the lower end of the rotating shaft can process the inclined surface of the feeding hopper.

Description

Technical Field

[0001] The utility model relates to the technical field of feed hoppers, in particular to a plastic particle feed hopper for producing medical blood collection tubes. Background Art

[0002] Medical blood collection tubes are usually made of plastic materials. These plastic materials have good chemical stability and biocompatibility, and can ensure that the collected blood samples are not contaminated or interfered with by the outside world. Common blood collection tube materials include polyethylene (Polyethylene), polypropylene (Polypropylene), polyvinylidene fluoride (Polyvinylidene fluoride), etc. These materials undergo strict quality control during the manufacturing process to ensure that they meet relevant medical and health standards and do not have adverse reactions to the human body. When manufacturing medical blood collection tubes, a plastic particle feed hopper is required. However, in actual use, similar plastic particle feed hoppers still have many defects, such as: the existing plastic particle feed hopper cannot preheat the internal plastic particles during use, the plastic particles are soft in material, and are easily blocked in the narrow area below the feed hopper, affecting the processing progress. Utility Model Content

[0003] The purpose of the utility model is to provide a plastic granule feeding hopper for producing medical blood collection tubes, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic particle feeding hopper for the production of medical blood collection tubes, comprising a top cover, a motor is fixedly mounted on the upper end of the top cover, the output end of the motor passes through the top cover and is connected to a rotating shaft, a plurality of groups of stirring rods are fixedly mounted near the middle of the outer wall of the rotating shaft, two groups of inclined rods are fixedly mounted on the lower end of the outer wall of the rotating shaft, scrapers are fixedly mounted at the ends of the two groups of inclined rods, and an inclined conical groove is provided at the bottom end of the rotating shaft.

[0005] When using the plastic granule feed hopper for the production of medical blood collection tubes, first fix the feed hopper above the feed end of the extruder through the screw hole, put the plastic granules through the feed port, start the motor, the motor will drive the rotating shaft at the lower end to rotate, when the rotating shaft rotates, it will drive the stirring rod to stir the plastic granules in the feed hopper, the stirring rod and the heating rod are staggered to make the raw materials more fully mixed together, when the raw materials reach the lower end of the feed hopper, the scraper at the lower end of the rotating shaft will process the inclined surface of the feed hopper to prevent the plastic granules from sticking to the inside of the feed hopper, when the rotating shaft rotates, the oblique cone groove at the lower end will send the plastic granules in the discharge port downward to prevent blockage, start the heating device, the heating device heats the heating ring through the lead tube, the heating ring will heat the plastic granules in the feed hopper, the electromagnetic coil arranged inside the heating ring is connected to the electromagnetic coil in the heating rod, which will also make the heating rod heat up and preheat the plastic granules at the same time.

[0006] Preferably, a heating device is fixedly mounted on one side of the upper end of the top cover, and a lead tube is fixedly connected to one end of the heating device; by providing the lead tube, the lead tube can transmit the electrical energy of the heating device to the heating ring.

[0007] Preferably, a feed hopper is fixedly mounted on the lower end of the top cover, a plurality of groups of heating rings are fixedly mounted on the outer wall of the feed hopper, and a lead tube is fixedly connected to one end of the plurality of groups of heating rings.

[0008] Preferably, a plurality of groups of heating rods are fixedly installed on the inner wall of the feed hopper, a support rod is fixedly installed at the inner center of the heating rod, an electromagnetic coil is wrapped around the outer wall of the support rod, and one end of the electromagnetic coil passes through the feed hopper and is connected to the heating ring; by providing the electromagnetic coil, when the electromagnetic coil is energized, the heating rod will generate heat, thereby preheating the particles in the feed hopper.

[0009] Preferably, a discharge port is fixedly mounted at the lower end of the feed hopper, and a screw hole is provided at the lower end of the discharge port.

[0010] Preferably, a feed port is fixedly installed on the other side of the upper end of the top cover, and handles are fixedly installed on both side edges of the upper end of the top cover; by providing the handles, when the equipment needs to be repaired, the top cover can be removed by pulling the handles.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. When using the plastic granule feed hopper for the production of medical blood collection tubes, first fix the feed hopper above the feed end of the extruder through the screw hole, put the plastic granules through the feed port, start the motor, the motor will drive the rotating shaft at the lower end to rotate, and when the rotating shaft rotates, it will drive the stirring rod to stir the plastic granules in the feed hopper. The stirring rod and the heating rod are staggered to make the raw materials more fully mixed together. When the raw materials reach the lower end of the feed hopper, the scraper at the lower end of the rotating shaft will process the inclined surface of the feed hopper to prevent the plastic granules from sticking to the inside of the feed hopper. When the rotating shaft rotates, the oblique cone groove at the lower end will send the plastic granules in the discharge port downward to prevent blockage. Start the heating device, and the heating device heats the heating ring through the lead tube. The heating ring will heat the plastic granules in the feed hopper. The electromagnetic coil arranged inside the heating ring is connected to the electromagnetic coil in the heating rod, which will also make the heating rod heat up and preheat the plastic granules at the same time.

[0013] 2. By setting up a heating rod and starting the heating device, the heating device heats the heating ring through the lead tube, and the heating ring heats the plastic particles in the feed hopper. The electromagnetic coil arranged inside the heating ring is connected to the electromagnetic coil in the heating rod, which also makes the heating rod heat up and preheats the plastic particles at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom half-section structure of the utility model;

[0017] Figure 4 It is a side half-section structure schematic diagram of the utility model.

[0018] In the figure: 1. feed hopper; 2. top cover; 3. feed port; 4. motor; 5. handle; 6. heating device; 7. lead tube; 8. heating ring; 9. discharge port; 10. screw hole; 11. rotating shaft; 12. stirring rod; 13. oblique cone groove; 14. scraper; 15. heating rod; 16. electromagnetic coil; 17. support rod; 18. oblique rod. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0020] Embodiment 1

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the utility model proposes a plastic granule feed hopper for the production of medical blood collection tubes, including a top cover 2, characterized in that: a motor 4 is fixedly installed on the upper end of the top cover 2, the output end of the motor 4 passes through the top cover 2 and is connected to a rotating shaft 11, a plurality of groups of stirring rods 12 are fixedly installed near the middle of the outer wall of the rotating shaft 11, two groups of inclined rods 18 are fixedly installed on the lower end of the outer wall of the rotating shaft 11, scrapers 14 are fixedly installed at the ends of the two groups of inclined rods 18, and an inclined cone groove 13 is opened at the bottom end of the rotating shaft 11.

[0022] A heating device 6 is fixedly mounted on one side of the upper end of the top cover 2 , and a lead tube 7 is fixedly connected to one end of the heating device 6 .

[0023] A feed hopper 1 is fixedly mounted on the lower end of the top cover 2 , and a plurality of groups of heating rings 8 are fixedly mounted on the outer wall of the feed hopper 1 . One end of the plurality of groups of heating rings 8 is fixedly connected to a lead tube 7 .

[0024] The working principle of a plastic granule feed hopper for producing medical blood collection tubes based on Example 1 is as follows: when using the plastic granule feed hopper for producing medical blood collection tubes, first fix the feed hopper 1 above the feed end of the extruder through the screw hole 10, put the plastic granules in through the feed port 3, start the motor 4, the motor 4 will drive the rotating shaft 11 at the lower end to rotate, and when the rotating shaft 11 rotates, it will drive the stirring rod 12 to stir the plastic granules in the feed hopper 1, the stirring rod 12 and the heating rod 15 are staggered to make the raw materials more fully mixed together, and when the raw materials reach the bottom of the feed hopper 1 When the rotating shaft 11 is turned to the left, the scraper 14 at the lower end of the rotating shaft 11 will process the inclined surface of the feed hopper 1 to prevent the plastic particles from sticking to the inside of the feed hopper 1. When the rotating shaft 11 rotates, the oblique cone groove 13 at the lower end will send the plastic particles in the discharge port 9 downward to prevent blockage. The heating device 6 is started, and the heating device 6 heats the heating ring 8 through the lead tube 7. The heating ring 8 heats the plastic particles in the feed hopper 1. The electromagnetic coil 16 arranged inside the heating ring 8 is connected to the electromagnetic coil 16 in the heating rod 15, which will also make the heating rod 15 heat up and preheat the plastic particles at the same time.

[0025] Embodiment 2

[0026] like Figure 3 As shown, the utility model proposes a plastic granule feed hopper for the production of medical blood collection tubes. Compared with the first embodiment, this embodiment also includes: a plurality of groups of heating rods 15 are fixedly installed on the inner wall of the feed hopper 1, a support rod 17 is fixedly installed at the inner center of the heating rod 15, an electromagnetic coil 16 is wound around the outer wall of the support rod 17, one end of the electromagnetic coil 16 passes through the feed hopper 1 and is connected to the heating ring 8, a discharge port 9 is fixedly installed at the lower end of the feed hopper 1, a screw hole 10 is opened at the lower end of the discharge port 9, a feed port 3 is fixedly installed on the other side of the upper end of the top cover 2, and handles 5 are fixedly installed on the edges of both sides of the upper end of the top cover 2.

[0027] In this embodiment, Figure 1 As shown, by providing a lead tube 7, the lead tube 7 can transmit the electric energy of the heating device 6 to the heating ring 8; Figure 3 As shown, by providing an electromagnetic coil 16, when the electromagnetic coil 16 is energized, the heating rod 15 generates heat, thereby preheating the particles in the feed hopper 1; Figure 2 As shown, by providing a handle 5 , when the device needs to be repaired, the top cover 2 can be removed by pulling the handle 5 .

[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A plastic granule feed hopper for producing medical blood collection tubes, comprising a top cover (2), characterized in that: A motor (4) is fixedly mounted on the upper end of the top cover (2); an output end of the motor (4) passes through the top cover (2) and is connected to a rotating shaft (11); a plurality of groups of stirring rods (12) are fixedly mounted near the middle of an outer wall of the rotating shaft (11); two groups of inclined rods (18) are fixedly mounted on the lower end of the outer wall of the rotating shaft (11); scrapers (14) are fixedly mounted at the ends of the two groups of inclined rods (18); and an inclined cone groove (13) is provided at the bottom end of the rotating shaft (11).

2. A plastic granule feed hopper for producing medical blood collection tubes according to claim 1, characterized in that: A heating device (6) is fixedly mounted on one side of the upper end of the top cover (2), and a lead tube (7) is fixedly connected to one end of the heating device (6).

3. A plastic granule feed hopper for producing medical blood collection tubes according to claim 2, characterized in that: A feed hopper (1) is fixedly mounted on the lower end of the top cover (2), and a plurality of groups of heating rings (8) are fixedly mounted on the outer wall of the feed hopper (1), and one end of each of the plurality of groups of heating rings (8) is fixedly connected to a lead tube (7).

4. A plastic granule feed hopper for producing medical blood collection tubes according to claim 3, characterized in that: A plurality of groups of heating rods (15) are fixedly mounted on the inner wall of the feed hopper (1), a support rod (17) is fixedly mounted at the inner center of the heating rod (15), an electromagnetic coil (16) is wound around the outer wall of the support rod (17), and one end of the electromagnetic coil (16) passes through the feed hopper (1) and is connected to the heating ring (8).

5. A plastic granule feed hopper for producing medical blood collection tubes according to claim 4, characterized in that: A discharge port (9) is fixedly mounted at the lower end of the feed hopper (1), and a screw hole (10) is provided at the lower end of the discharge port (9).

6. A plastic granule feed hopper for producing medical blood collection tubes according to claim 5, characterized in that: A feed port (3) is fixedly mounted on the other side of the upper end of the top cover (2), and handles (5) are fixedly mounted on both side edges of the upper end of the top cover (2).

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