Material pipe capable of uniformly feeding materials

Abstract

The utility model relates to a material pipe capable of feeding uniformly. The material pipe comprises a pipe body, a flange, a warm oil sleeve and a circulating water ring, wherein the warm oil sleeve and the circulating water ring are sleeved on the periphery of the pipe body; a parallelogram welding gap for welding is formed among the first inclined surface of the warm oil sleeve, the periphery of the third step part and the second inclined surface of the second chamfer part; the flange is arranged on the periphery of the handle part in a sealing and sleeving manner, the flange is provided with a material mixing cavity, a third feeding hole, a fourth feeding hole and two fifth feeding holes, the third feeding hole is formed in the right side surface of the flange, the fourth feeding hole is formed in the upper end surface of the flange, and the fourth feeding hole and the two fifth feeding holes form an inverted T-shaped three-groove structure which is communicated in pairs; the welding area between the warm oil sleeve and the pipe body is increased, the stability and the reliability of connection between the warm oil sleeve and the pipe body are ensured, in addition, after all fed materials are mixed together, water cooling is conducted firstly, then oil cooling is conducted, and the forming quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material pipes, in particular to a material pipe capable of evenly feeding materials. Background Art

[0002] In the existing technology, injection molding machines usually use a material pipe to inject raw materials. Therefore, the material pipe plays an important role in the injection molding of the injection molding machine. Therefore, the comprehensive performance of the material pipe will affect the injection molding effect of the injection molding machine. People design the material pipe according to different usage environment requirements.

[0003] For example, China Publication No. CN208438643U discloses an insulated material pipe that can improve the quality of workpieces, which includes a pipe body, a discharge port, and a feed port. The pipe body has a hollow cavity, and the hollow cavity is respectively connected to the feed port and the discharge port; the inner wall surface of the pipe body is concavely provided with a feed spiral groove, and the outer wall surface of the pipe body is wrapped with an insulating sheath, and the insulating sheath has an insulating layer, a heat reflecting layer and a fire retardant layer sequentially covered from the inside to the outside; and an air outlet pipe and an air inlet pipe are fixedly connected to the outer peripheral surface of the pipe body, and the air outlet pipe and the air inlet pipe are symmetrically distributed on both sides of the pipe body; the air outlet pipe and the air inlet pipe are respectively connected to the hollow cavity, and a breathable anti-overflow pad is provided at the connecting part.

[0004] Although the generation of bubbles can be reduced, the temperature will continue to rise during the heating process. Once it exceeds the preset range, the molding quality will be affected.

[0005] Therefore, in the patent application of this utility model, the applicant has carefully studied a material pipe that can evenly feed the material to solve the above problems. Utility Model Content

[0006] The present invention aims to overcome the deficiencies in the above-mentioned prior art and aims to provide a material pipe capable of uniformly feeding materials, which increases the welding area between the warm oil jacket and the pipe body, thereby ensuring the stability and reliability of the connection between the warm oil jacket and the pipe body. Moreover, after all the feed materials are mixed together, they can be cooled by water first and then by oil cooling, which is beneficial to improving the molding quality.

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0008] A material pipe capable of uniformly feeding materials comprises a pipe body having a hollow cavity, wherein the hollow cavity is respectively formed with a corresponding discharge port and a first feed port at the left and right ends of the pipe body;

[0009] It also includes a flange, a warm oil jacket and a circulating water ring sleeved on the outer periphery of the pipe body;

[0010] The outer diameter of the tube body decreases from right to left, and the tube body includes a first step portion, a first chamfered portion, a second step portion, a second chamfered portion and a third step portion arranged from right to left;

[0011] The right side of the first step portion is connected to the handle portion, and the rear side surface of the first step portion is provided with a second feed port, and the second feed port is connected to the hollow cavity;

[0012] The circulating water ring is arranged on the outer periphery of the second step portion, and a gap is maintained between the circulating water ring and the second step portion to form a cooling water flow channel arranged around the second step portion. The inner side surface of the circulating water ring is connected to the outer side surface of the second step portion through a water block, and the cooling water flow channel is formed into a non-closed loop unidirectional cooling water flow channel by the water block; the circulating water ring has a water inlet and a water outlet, and the water inlet and the water outlet are respectively connected to the two ends of the cooling water flow channel;

[0013] The outer periphery of the third step portion is spirally provided with a spiral groove along its circumferential direction. The warm oil jacket sealing sleeve is provided on the outer periphery of the third step portion. The sealing cavity between the inner wall of the warm oil jacket and the spiral groove forms a cooling spiral water channel. The warm oil jacket is provided with a coolant inlet and a coolant outlet, and the coolant inlet and the coolant outlet are both connected to the cooling spiral water channel.

[0014] The right end surface of the warm oil jacket is a tapered surface convex to the right, the tapered surface having a first inclined surface inclined obliquely outward from left to right, the second chamfered portion having a second inclined surface inclined obliquely outward from left to right, the first inclined surface and the second inclined surface having the same inclination, and a parallelogram-shaped welding gap for welding is formed between the first inclined surface, the outer periphery of the third step portion, and the second inclined surface;

[0015] The flange sealing sleeve is arranged on the outer periphery of the handle, and the flange has a mixing cavity connected to the first feed port and a third feed port, a fourth feed port and two fifth feed ports respectively connected to the mixing cavity. The third feed port is located on the right side of the flange, the fourth feed port is located on the upper end surface of the flange, and the two fifth feed ports are symmetrically arranged on the front and rear sides of the fourth feed port, respectively. The fourth feed port and the two fifth feed ports form an inverted T-shaped three-groove structure that is connected to each other.

[0016] As a preferred solution, a right-angled trapezoidal welding gap for welding is formed between the outer side surface of the second step portion, the inclined surface of the first chamfered portion and the rear end surface of the circulating water ring.

[0017] As a preferred solution, the hollow cavity includes a first cylindrical cavity, a truncated cone-shaped cavity that is smaller on the left and larger on the right, and a second cylindrical cavity that are sequentially arranged from left to right;

[0018] The left end of the first cylindrical cavity forms a discharge port, the right end of the first cylindrical cavity forms a first feed port, and the outer diameter of the second cylindrical cavity is greater than the outer diameter of the first cylindrical cavity.

[0019] As a preferred solution, the first cylindrical cavity is located in the third step portion and extends to the right to the second chamfered portion and the second step portion in sequence. The frustum-shaped cavity is simultaneously located in the first step portion, the first chamfered portion and the second step portion, and the second cylindrical cavity is located in the first step portion.

[0020] As a preferred solution, a first hollow joint and a second hollow joint are provided on the outer periphery of the warm oil jacket;

[0021] The first hollow joint is connected to a coolant inlet, and the second hollow joint is connected to a coolant outlet.

[0022] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, the utility model mainly increases the welding area between the warm oil jacket and the pipe body by means of the parallelogram welding gap, thereby ensuring the stability and reliability of the connection between the warm oil jacket and the pipe body. Moreover, through the cooperation of the warm oil jacket and the circulating water ring, all the feed materials can be mixed together and then cooled by water cooling and then by oil cooling, which is conducive to improving the molding quality.

[0023] Secondly, the inverted T-shaped three-groove structure set on the flange is used for feeding, which ensures the uniformity of feeding to a certain extent; moreover, the multiple feed ports are set on the flange, which greatly reduces the damage of the pipe body and is conducive to extending its service life;

[0024] Furthermore, the right-angle trapezoidal welding gap increases the welding area between the circulating water ring and the pipe body, thereby ensuring the stability and reliability of the connection between the circulating water ring and the pipe body.

[0025] To more clearly illustrate the structural features and effects of the present invention, it is described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the first cross-sectional structure of an embodiment of the present utility model (mainly showing the overall structure);

[0027] Figure 2 It is a schematic diagram of the second cross-sectional structure of an embodiment of the present utility model (mainly showing the third feed inlet and the fourth feed inlet);

[0028] Figure 3 This is a third cross-sectional structural diagram of an embodiment of the present utility model (mainly showing the circulating water ring, water inlet, water outlet, cooling water flow channel and water block);

[0029] Figure 4 This is a schematic diagram of the fourth cross-sectional structure of an embodiment of the present utility model (mainly showing the warm oil jacket, the first hollow joint, and the second hollow joint);

[0030] Figure 5 It is a fifth cross-sectional structural diagram of an embodiment of the present utility model (mainly showing a right-angled trapezoidal welding gap and a parallelogram welding gap).

[0031] Description of Figure Numbers:

[0032] 10. Pipe body

[0033] 101, discharge port 102, first feed port

[0034] 103, first cylindrical cavity 104, truncated cone cavity

[0035] 105. Second cylindrical cavity

[0036] 11. First step 111, second feed port

[0037] 12. First chamfered portion 13. Second step portion

[0038] 14. Second chamfered portion 15. Third step portion

[0039] 16. Handle

[0040] 20. Flange

[0041] 21. Mixing chamber 22. Third feeding port

[0042] 23. Fourth feed port 24. Fifth feed port

[0043] 30. Warm oil sleeve 301. Conical surface

[0044] 31. Cooling spiral water channel

[0045] 32. Coolant inlet 33. Coolant outlet

[0046] 34. First hollow joint 35. Second hollow joint

[0047] 40. Circulating water loop

[0048] 401, water inlet 402, water outlet

[0049] 41. Cooling water channel 42. Water barrier

[0050] 51. Right-angle trapezoidal welding gap

[0051] 52. Parallelogram welding gap. DETAILED DESCRIPTION

[0052] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0053] like Figures 1 to 5 As shown, a material pipe capable of uniformly feeding materials includes a pipe body 10, a flange 20, and a warm oil jacket 30 and a circulating water ring 40 sleeved on the outer periphery of the pipe body 10.

[0054] The outer diameter of the tube body 10 decreases from right to left. The tube body 10 has a hollow cavity, and the hollow cavity is respectively formed with a corresponding discharge port 101 and a first feed port 102 at the left and right ends of the tube body 10.

[0055] In this embodiment, the hollow cavity includes a first cylindrical cavity 103 , a truncated cone-shaped cavity 104 that is smaller on the left and larger on the right, and a second cylindrical cavity 105 that are sequentially arranged from left to right.

[0056] The left end of the first cylindrical cavity 103 forms a discharge port 101 , the right end of the first cylindrical cavity 103 forms a first feed port 102 , and the outer diameter of the second cylindrical cavity 105 is greater than that of the first cylindrical cavity 103 .

[0057] The tube body 10 includes a first step portion 11 , a first chamfered portion 12 , a second step portion 13 , a second chamfered portion 14 and a third step portion 15 , which are sequentially arranged from right to left.

[0058] In this embodiment, the first cylindrical cavity 103 is located in the third step portion 15 and extends rightward to the second chamfered portion 14 and the second step portion 13 in sequence. The frustum-shaped cavity 104 is simultaneously located in the first step portion 11, the first chamfered portion 12 and the second step portion 13. The second cylindrical cavity 105 is located in the first step portion 11.

[0059] The right side of the first step portion 11 is connected to the handle portion 16 . The rear side of the first step portion 11 is provided with a second feed port 111 , and the second feed port 111 is connected to the hollow cavity.

[0060] The water circulation ring 40 is sleeved on the outer circumference of the second step portion 13 , and a gap is maintained between the water circulation ring 40 and the second step portion 13 to form a cooling water channel 41 disposed around the second step portion 13 .

[0061] In this embodiment, a right-angled trapezoidal welding gap 51 for welding is formed between the outer side surface of the second step portion 13, the inclined surface of the first chamfered portion 12 and the rear end surface of the circulating water ring 40. The right-angled trapezoidal welding gap 51 is used to fully increase the welding area between the circulating water ring 40 and the pipe body 10, greatly improving the welding efficiency and welding quality, and ensuring the stability and reliability of the connection between the circulating water ring 40 and the material pipe.

[0062] The inner side surface of the circulating water ring 40 is connected to the outer side surface of the second step portion 13 through a water barrier 42, and the cooling water flow channel 41 is formed into a non-closed loop one-way cooling water flow channel 41 by the water barrier 42; the circulating water ring 40 has a water inlet 401 and a water outlet 402, and the water inlet 401 and the water outlet 402 are respectively connected to the two ends of the cooling water flow channel 41.

[0063] The outer periphery of the third step portion 15 is spirally provided with a spiral groove along its circumferential direction. The warm oil jacket 30 is sealed and sleeved on the outer periphery of the third step portion 15. The sealed cavity between the inner wall of the warm oil jacket 30 and the spiral groove forms a cooling spiral water channel 31. The warm oil jacket 30 is provided with a coolant inlet 32 ​​and a coolant outlet 33. Both the coolant inlet 32 ​​and the coolant outlet 33 are connected to the cooling spiral water channel 31.

[0064] In this embodiment, a first hollow joint 34 and a second hollow joint 35 are provided on the outer periphery of the warm oil jacket 30. Preferably, the first hollow joint 34 and the second hollow joint 35 are both welded to the warm oil jacket 30. The first hollow joint 34 is connected to the coolant inlet 32, and the second hollow joint 35 is connected to the coolant outlet 33.

[0065] The right end face of the warm oil jacket 30 is a tapered surface 301 convex to the right, and the tapered surface 301 has a first inclined surface inclined obliquely from left to right and outward, and the second chamfered portion 14 has a second inclined surface inclined obliquely from left to right and outward, and the inclinations of the first inclined surface and the second inclined surface are consistent. A parallelogram welding gap 52 for welding is formed between the first inclined surface, the outer periphery of the third step portion 15, and the second inclined surface, which fully increases the welding area between the warm oil jacket 30 and the pipe body 10, greatly improves the welding efficiency and welding quality, and ensures the stability and reliability of the connection between the warm oil jacket 30 and the material pipe.

[0066] The flange 20 sealing sleeve is arranged on the outer periphery of the handle 16, and the flange 20 has a mixing cavity 21 connected to the first feed port 102 and a third feed port 22, a fourth feed port 23 and two fifth feed ports 24 respectively connected to the mixing cavity 21. The third feed port is located on the right side of the flange 20, the fourth feed port 23 is located on the upper end surface of the flange 20, and the two fifth feed ports 24 are symmetrically arranged on the front and rear sides of the fourth feed port 23 respectively. The fourth feed port 23 and the two fifth feed ports 24 are in an inverted T-shaped three-groove structure that is connected to each other.

[0067] The key points of the design of the utility model are that the parallelogram welding gap is mainly used to increase the welding area between the warm oil jacket and the pipe body, thereby ensuring the stability and reliability of the connection between the warm oil jacket and the pipe body. Moreover, through the cooperation of the warm oil jacket and the circulating water ring, all the feed materials can be mixed together and then cooled by water cooling and then by oil cooling, which is conducive to improving the molding quality.

[0068] Secondly, the inverted T-shaped three-groove structure set on the flange is used for feeding, which ensures the uniformity of feeding to a certain extent; moreover, the multiple feed ports are set on the flange, which greatly reduces the damage of the pipe body and is conducive to extending its service life;

[0069] Furthermore, the right-angle trapezoidal welding gap increases the welding area between the circulating water ring and the pipe body, thereby ensuring the stability and reliability of the connection between the circulating water ring and the pipe body.

[0070] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A material pipe capable of uniformly feeding materials, comprising a pipe body having a hollow cavity, wherein the hollow cavity is respectively formed with a corresponding discharge port and a first feed port at the left and right ends of the pipe body, characterized in that: It also includes a flange, a warm oil jacket and a circulating water ring sleeved on the outer periphery of the pipe body; The outer diameter of the tube body decreases from right to left, and the tube body includes a first step portion, a first chamfered portion, a second step portion, a second chamfered portion and a third step portion arranged from right to left; The right side of the first step portion is connected to the handle portion, and the rear side surface of the first step portion is provided with a second feed port, and the second feed port is connected to the hollow cavity; The circulating water ring is arranged on the outer periphery of the second step portion, and a gap is maintained between the circulating water ring and the second step portion to form a cooling water flow channel arranged around the second step portion. The inner side surface of the circulating water ring is connected to the outer side surface of the second step portion through a water block, and the cooling water flow channel is formed into a non-closed loop unidirectional cooling water flow channel by the water block; the circulating water ring has a water inlet and a water outlet, and the water inlet and the water outlet are respectively connected to the two ends of the cooling water flow channel; The outer periphery of the third step portion is spirally provided with a spiral groove along its circumferential direction. The warm oil jacket sealing sleeve is provided on the outer periphery of the third step portion. The sealing cavity between the inner wall of the warm oil jacket and the spiral groove forms a cooling spiral water channel. The warm oil jacket is provided with a coolant inlet and a coolant outlet, and the coolant inlet and the coolant outlet are both connected to the cooling spiral water channel. The right end surface of the warm oil jacket is a tapered surface convex to the right, the tapered surface having a first inclined surface inclined obliquely outward from left to right, the second chamfered portion having a second inclined surface inclined obliquely outward from left to right, the first inclined surface and the second inclined surface having the same inclination, and a parallelogram-shaped welding gap for welding is formed between the first inclined surface, the outer periphery of the third step portion, and the second inclined surface; The flange sealing sleeve is arranged on the outer periphery of the handle, and the flange has a mixing cavity connected to the first feed port and a third feed port, a fourth feed port and two fifth feed ports respectively connected to the mixing cavity. The third feed port is located on the right side of the flange, the fourth feed port is located on the upper end surface of the flange, and the two fifth feed ports are symmetrically arranged on the front and rear sides of the fourth feed port, respectively. The fourth feed port and the two fifth feed ports form an inverted T-shaped three-groove structure that is connected to each other.

2. The material pipe capable of uniform feeding according to claim 1, characterized in that: A right-angled trapezoidal welding gap for welding is formed between the outer side surface of the second step portion, the inclined surface of the first chamfered portion and the rear end surface of the circulating water ring.

3. The material pipe capable of uniform feeding according to claim 1, characterized in that: The hollow cavity includes a first cylindrical cavity, a truncated cone cavity that is smaller on the left and larger on the right, and a second cylindrical cavity that is arranged in sequence from left to right; The left end of the first cylindrical cavity forms a discharge port, the right end of the first cylindrical cavity forms a first feed port, and the outer diameter of the second cylindrical cavity is greater than the outer diameter of the first cylindrical cavity.

4. The material pipe capable of uniform feeding according to claim 3, characterized in that: The first cylindrical cavity is located in the third step portion and extends to the right to the second chamfered portion and the second step portion in sequence. The frustum-shaped cavity is located in the first step portion, the first chamfered portion and the second step portion at the same time. The second cylindrical cavity is located in the first step portion.

5. The material pipe capable of uniform feeding according to claim 1, characterized in that: A first hollow joint and a second hollow joint are provided on the outer periphery of the warm oil jacket; The first hollow joint is connected to a coolant inlet, and the second hollow joint is connected to a coolant outlet.

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