A multi-axis extruder

Abstract

The utility model provides a multi-axis extruder, including a box body, a feeding port is arranged on the top of the box body; a delivery pipe, the number of the delivery pipes is multiple, the multiple delivery pipes are arranged at the bottom of the box body along a first direction, the delivery pipes are arranged horizontally along a second direction, the first direction is perpendicular to the second direction, and the delivery pipes are connected to the box body; a screw, the number of the screws is consistent with the number of the delivery pipes, the screws are arranged on the delivery pipes; a connecting assembly, the connecting assembly is arranged at the end of the delivery pipe away from the box body; a mold, the mold is detachably connected to the connecting assembly, the mold is connected to the delivery pipe, and a mold cavity is arranged inside the mold; a discharge seat, the discharge seat is arranged on the mold, the discharge seat is provided with a discharge port, and the discharge port is connected to the mold cavity; a driving assembly, the driving assembly is connected to the screw to drive the screw to rotate. The multi-axis extruder of the utility model has better sealing performance and more convenient mold replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to a multi-axis extruder. Background Art

[0002] The extruder relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the material, and then forms it through a die. Extruders can be basically classified into twin-screw extruders, single-screw extruders, multi-screw extruders, and screwless extruders.

[0003] Among them, the multi-screw extruder is also called a multi-axis extruder. Most of the current multi-axis extruders have the problem of poor sealing, resulting in poor mixing of materials. In addition, the mold of the current multi-axis extruder is difficult to replace, which makes it very inconvenient to use. Utility Model Content

[0004] The utility model aims to provide a multi-axis extruder, aiming to solve the problems of poor sealing and troublesome mold replacement in the existing multi-axis extruder.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multi-axis extruder is provided, comprising:

[0007] A box body, wherein a feed inlet is provided on the top of the box body;

[0008] A delivery pipe, wherein the number of the delivery pipes is plural, the plurality of the delivery pipes are arranged along a first direction at the bottom of the box, the delivery pipes are horizontally arranged along a second direction, the first direction is perpendicular to the second direction, and the delivery pipes are connected to the box;

[0009] Screws, the number of which is the same as the number of the conveying pipes, and the screws are arranged on the conveying pipes;

[0010] A connecting assembly, the connecting assembly being arranged at an end of the conveying pipe away from the box body;

[0011] A mold, the mold is detachably connected to the connecting assembly, the mold is communicated with the conveying pipe, and a mold cavity is provided inside the mold;

[0012] A discharge seat, the discharge seat is arranged on the mold, the discharge seat is provided with a discharge port, and the discharge port is communicated with the mold cavity;

[0013] A driving assembly is connected to the screw rod to drive the screw rod to rotate.

[0014] Optionally, the connecting assembly includes a first flange and a second flange, the first flange is detachably connected to the second flange, the first flange is connected to the conveying pipe, a limiting protrusion is provided on a side of the mold close to the conveying pipe, and the second flange is provided with a limiting groove matched with the limiting protrusion.

[0015] Optionally, the connection assembly further comprises a fixing plate, which is detachably connected to the second flange, and the fixing plates are provided on both the upper and lower sides of the mold.

[0016] Optionally, the connecting assembly further comprises a fixing hoop, the fixing hoop being detachably connected to the second flange, and the fixing hoop being clamped to the mold and the discharge seat.

[0017] Optionally, the connection assembly further includes a reinforcing rib, one end of the reinforcing rib is connected to the box body, the other end of the reinforcing rib is connected to the first flange, and the bottom of the reinforcing rib is connected to the conveying pipe.

[0018] Optionally, the cross section of the mold is trapezoidal.

[0019] Optionally, the discharge seat includes a fixing portion and a discharge portion, the fixing portion is attached to the bevel on the lower side of the mold, the discharge port is arranged at the discharge portion, and the discharge portion is tubular.

[0020] Optionally, the multi-axis extruder further comprises a positioning sleeve, which is arranged inside the conveying tube, the positioning sleeve is located at one end of the conveying tube close to the mold cavity, the outer wall of the positioning sleeve is in contact with the inner wall of the conveying tube, and the screw is located inside the positioning sleeve.

[0021] Optionally, the positioning sleeve is made of ultra-high molecular weight polyethylene.

[0022] Optionally, the driving assembly includes a motor, a reducer and a transmission gear set, the motor is connected to the reducer, the reducer is connected to the transmission gear set, and the transmission gear set is connected to the screw.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] In the multi-axis extruder provided by the utility model, the screw pushes the material in the box body into the mold cavity of the mold through the conveying pipe for subsequent molding work. By setting the connecting assembly, the mold and the conveying pipe can be tightly connected together, thereby improving the sealing performance of the mold cavity. In addition, the mold can be detachably connected to the connecting assembly, which can make it easier to replace molds of different models and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0026] Figure 1 It is a structural schematic diagram of the multi-axis extruder of the utility model;

[0027] Figure 2 It is a side view of the multi-shaft extruder of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the multi-axis extruder of the utility model after removing the box body and the driving assembly;

[0029] Figure 4 This is a schematic diagram of the internal structure of the multi-axis extruder of the utility model after removing the box body and the drive assembly;

[0030] Figure 5 It is a structural schematic diagram of the connection components, mold and discharge seat of the multi-axis extruder of the utility model;

[0031] Figure 6 This is a structural schematic diagram of the connection components, mold and discharge seat of the multi-axis extruder of the utility model from another angle.

[0032] In the figure: 1. box body; 2. conveying pipe; 3. screw; 4. connecting assembly; 41. first flange; 42. second flange; 43. limiting groove; 44. fixing plate; 45. fixing hoop; 46. reinforcing rib; 5. mold; 51. limiting protrusion; 6. discharge seat; 61. fixing part; 62. discharge part; 7. driving assembly; 71. motor; 72. reducer; 73. transmission gear set; 8. positioning sleeve. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0036] Combine the following Figures 1 to 6 The multi-shaft extruder of the present invention is described.

[0037] like Figures 1 to 6 As shown, the utility model provides a multi-axis extruder, including a box body 1, a conveying pipe 2, a screw 3, a connecting component 4, a mold 5, a discharge seat 6 and a driving component 7.

[0038] For the convenience of explanation, in this embodiment, Figure 1 As shown, the first direction is the left-right direction, and the second direction is the front-back direction.

[0039] Among them, a feed port is provided at the top of the box body 1, and there are multiple conveying pipes 2. Multiple conveying pipes 2 are arranged at the bottom of the box body 1 from left to right along the first direction. The conveying pipes 2 are horizontally arranged from front to back along the second direction. The first direction is perpendicular to the second direction, and the conveying pipes 2 are connected to the box body 1.

[0040] Specifically, a plurality of conveying pipes 2 are arranged from left to right at the bottom of the box body 1, the conveying pipes 2 are horizontally arranged along the front-to-back direction, the number of screws 3 is consistent with the number of conveying pipes 2, the screws 3 are arranged on the conveying pipes 2, the connecting assembly 4 is arranged at the end of the conveying pipes 2 away from the box body 1, the mold 5 is detachably connected to the connecting assembly 4, the mold 5 is communicated with the conveying pipe 2, a mold cavity is arranged inside the mold 5, a discharge seat 6 is arranged on the mold 5, the discharge seat 6 is provided with a discharge port, the discharge port is communicated with the mold cavity, and the driving assembly 7 is connected to the screw 3 to drive the screw 3 to rotate.

[0041] More specifically, the screw 3 extends in the front-to-back direction, the connecting assembly 4 is disposed at the front end of the conveying pipe 2 , the mold 5 is disposed at the front end of the conveying pipe 2 , and the discharge seat 6 is located at the front side of the mold 5 .

[0042] In the multi-shaft extruder provided in this embodiment, the screw 3 pushes the material in the box body 1 from the back to the front through the conveying pipe 2 into the mold cavity of the mold 5 for subsequent molding. By providing the connecting component 4, the mold 5 and the conveying pipe 2 can be tightly connected together, thereby improving the sealing performance of the mold cavity. In addition, the mold 5 is detachably connected to the connecting component 4, and different models of molds 5 can be more conveniently replaced, which is more convenient to use.

[0043] In some embodiments, the connecting assembly 4 includes a first flange 41 and a second flange 42, the first flange 41 is detachably connected to the second flange 42, the first flange 41 is connected to the conveying pipe 2, a limiting protrusion 51 is provided on the side of the mold 5 close to the conveying pipe 2, and the second flange 42 is provided with a limiting groove 43 matched with the limiting protrusion 51. Specifically, the first flange 41 is located on the rear side of the second flange 42, the first flange 41 is fixedly connected to the conveying pipe 2, and the second flange 42 is connected to the first flange 41 by bolts, so that the second flange 42 can be more conveniently removed or installed on the first flange 41, and the operation is more convenient. In addition, a stepped limiting protrusion 51 is provided on the rear side of the mold 5, and the second flange 42 is provided with a stepped limiting groove 43 matched with the mold 5, which can tightly limit the mold 5 between the first flange 41 and the second flange 42. While ensuring the convenience of disassembly and assembly, it also improves the installation stability of the mold 5, thereby improving the safety of the entire equipment.

[0044] In some embodiments, the connecting assembly 4 also includes a fixing plate 44, which is detachably connected to the second flange 42. The fixing plates 44 are provided on the upper and lower sides of the mold 5. Specifically, the fixing plates 44 are detachably mounted on the second flange 42 by bolts. The fixing plates 44 can better limit the movement of the mold 5, and the installation of the mold 5 is more stable.

[0045] In some embodiments, the connecting assembly 4 also includes a fixing hoop 45, which is detachably connected to the second flange 42, and the fixing hoop 45 is clamped to the mold 5 and the discharge seat 6. Specifically, the main body of the fixing hoop 45 is located on the front side of the mold 5, and the fixing hoop 45 is detachably installed on the second flange 42 by bolts. The fixing hoop 45 can press the mold 5 tightly against the first flange 41 and the second flange 42, further improving the installation stability of the mold 5, and the overall connection structure is more stable, thereby improving the safety of the entire equipment.

[0046] In some embodiments, the connection assembly 4 also includes a reinforcing rib 46, one end of the reinforcing rib 46 is connected to the box body 1, the other end of the reinforcing rib 46 is connected to the first flange 41, and the bottom of the reinforcing rib 46 is connected to the conveying pipe 2. By providing the reinforcing rib 46, the stability of the overall structure can be further improved.

[0047] In some embodiments, the cross-section of the mold 5 is a trapezoid. Specifically, the rear side of the fixing hoop 45 is also a matching trapezoidal structure, which can more firmly press the mold 5 against the first flange 41 and the second flange 42, further improving the installation stability of the mold 5, and the overall connection structure is more stable, thereby improving the safety of the entire equipment.

[0048] In some embodiments, the discharge seat 6 includes a fixing portion 61 and a discharge portion 62, the fixing portion 61 is attached to the bevel on the lower side of the mold 5, the discharge port is arranged at the discharge portion 62, and the discharge portion 62 is tubular. Specifically, the fixing hoop 45 can press the fixing portion 61 tightly against the bevel on the lower side of the mold 5, thereby pressing the entire discharge seat 6 and the mold 5 tightly against the first flange 41 and the second flange 42, further improving the installation stability of the mold 5, and the overall connection structure is more stable, thereby improving the safety of the entire equipment.

[0049] In some embodiments, the multi-axis extruder also includes a positioning sleeve 8, which is arranged inside the conveying tube 2. The positioning sleeve 8 is located at one end of the conveying tube 2 close to the mold cavity. The outer wall of the positioning sleeve 8 is attached to the inner wall of the conveying tube 2, and the screw 3 is located in the positioning sleeve 8. By setting the positioning sleeve 8, the material can be better guided to the mold cavity.

[0050] In some embodiments, the positioning sleeve 8 is made of ultra-high molecular weight polyethylene, which has more stable performance and can reduce interference with materials.

[0051] In some embodiments, the driving assembly 7 includes a motor 71, a reducer 72 and a transmission gear set 73. The motor 71 is connected to the reducer 72, the reducer 72 is connected to the transmission gear set 73, and the transmission gear set 73 is connected to the screw 3, which can better drive the screw 3 to rotate.

[0052] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-shaft extruder, characterized in that: include: A box body (1), wherein a feed inlet is provided at the top of the box body (1); A delivery pipe (2), wherein the number of the delivery pipes (2) is plural, the plurality of delivery pipes (2) are arranged at the bottom of the box body (1) in a row along a first direction, the delivery pipes (2) are arranged horizontally along a second direction, the first direction is perpendicular to the second direction, and the delivery pipes (2) are connected to the box body (1); Screws (3), the number of the screws (3) being the same as the number of the conveying pipes (2), and the screws (3) being arranged on the conveying pipes (2); A connecting assembly (4), the connecting assembly (4) being arranged at an end of the conveying pipe (2) away from the box body (1); A mold (5), the mold (5) being detachably connected to the connecting assembly (4), the mold (5) being in communication with the conveying pipe (2), and a mold cavity being provided inside the mold (5); A discharge seat (6), the discharge seat (6) being arranged on the mold (5), the discharge seat (6) being provided with a discharge port, the discharge port being communicated with the mold cavity; A driving assembly (7), wherein the driving assembly (7) is connected to the screw rod (3) to drive the screw rod (3) to rotate.

2. The multi-shaft extruder according to claim 1, characterized in that: The connecting assembly (4) comprises a first flange (41) and a second flange (42), the first flange (41) being detachably connected to the second flange (42), the first flange (41) being connected to the conveying pipe (2), a limiting protrusion (51) being provided on a side of the mold (5) close to the conveying pipe (2), and the second flange (42) being provided with a limiting groove (43) matched with the limiting protrusion (51).

3. The multi-shaft extruder according to claim 2, characterized in that: The connecting assembly (4) further comprises a fixing plate (44), wherein the fixing plate (44) is detachably connected to the second flange (42), and the fixing plates (44) are provided on both the upper and lower sides of the mold (5).

4. The multi-shaft extruder according to claim 3, characterized in that: The connecting assembly (4) further comprises a fixing hoop (45), wherein the fixing hoop (45) is detachably connected to the second flange (42), and the fixing hoop (45) is clamped to the mold (5) and the discharge seat (6).

5. The multi-shaft extruder according to claim 4, characterized in that: The connection assembly (4) further comprises a reinforcing rib (46), one end of the reinforcing rib (46) being connected to the box body (1), the other end of the reinforcing rib (46) being connected to the first flange (41), and the bottom of the reinforcing rib (46) being connected to the conveying pipe (2).

6. The multi-shaft extruder according to claim 4, characterized in that: The cross section of the mold (5) is trapezoidal.

7. The multi-shaft extruder according to claim 6, characterized in that: The discharge seat (6) comprises a fixing portion (61) and a discharge portion (62), wherein the fixing portion (61) is attached to the oblique edge of the lower side of the mold (5), the discharge port is arranged at the discharge portion (62), and the discharge portion (62) is tubular.

8. The multi-shaft extruder according to claim 1, characterized in that: The multi-axis extruder also includes a positioning sleeve (8), which is arranged inside the conveying tube (2). The positioning sleeve (8) is located at one end of the conveying tube (2) close to the mold cavity, the outer wall of the positioning sleeve (8) is in contact with the inner wall of the conveying tube (2), and the screw (3) is located inside the positioning sleeve (8).

9. The multi-shaft extruder according to claim 8, characterized in that: The positioning sleeve (8) is made of ultra-high molecular weight polyethylene.

10. The multi-shaft extruder according to claim 1, characterized in that: The driving assembly (7) comprises a motor (71), a reducer (72) and a transmission gear set (73); the motor (71) is connected to the reducer (72); the reducer (72) is connected to the transmission gear set (73); and the transmission gear set (73) is connected to the screw rod (3).

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