Extruder with extrusion head convenient to replace

Abstract

The utility model relates to the technical field of extrusion head replacement, and discloses an extruder convenient for replacing an extrusion head, which comprises an extrusion head and a discharge pipe, a replacement mechanism is arranged between the extrusion head and the discharge pipe, and a stabilizing mechanism is arranged on the replacement mechanism; the replacing mechanism comprises a connecting assembly and a limiting assembly, the connecting assembly comprises a fixing ring, T-shaped sliding blocks are slidably connected to the periphery in a T-shaped sliding groove, a fixing plate is fixedly connected to the outer sides of the T-shaped sliding blocks, a rotating shaft is rotatably connected to the interior of the right side of the fixing plate, a handle is fixedly connected to one end of the rotating shaft, and an inserting block is fixedly connected to the other end of the rotating shaft. According to the extruder with the extrusion head convenient to replace, the replacement mechanism is arranged, a limiting block moves out of a limiting groove, a limiting table drives a connecting base to move, the connecting base drives a square block to move out of a square groove, a fixing plate drives a T-shaped sliding block to slide in a T-shaped sliding groove, meanwhile, an inserting block moves out of an inserting groove, and the extrusion head can be directly pulled to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of extrusion head replacement, in particular to an extruder which is convenient for replacing the extrusion head. Background Art

[0002] Extruder is a commonly used plastic processing equipment, mainly used for melting and molding plastic materials. The working principle of the extruder is to heat and melt the solid plastic through the rotation of the screw and extrude it through the mold.

[0003] For example, an extruder with announcement number CN210820849U that is easy to replace the extrusion head includes a barrel and a head body, a screw is rotatably connected inside the barrel, a feed port is opened on the top of the barrel, and the screw is rotatably connected to the center of the barrel through a bearing.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, the device can easily disengage the sleeve from the mounting shaft by rotating the plug, thereby realizing the disassembly function. However, the firmness of the installation cannot be fully guaranteed during this operation, and the extruder head cannot be guaranteed to not fall off when the material is extruded through the extruder. Utility Model Content

[0006] The utility model aims to provide an extruder with an extrusion head that is easy to replace, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solutions: an extruder that is easy to replace an extrusion head, comprising an extrusion head and a discharge pipe, wherein the extrusion head is arranged inside the left side of the discharge pipe, a replacement mechanism is arranged between the extrusion head and the discharge pipe, and a stabilizing mechanism is arranged on the replacement mechanism;

[0008] The replacement mechanism comprises a connecting assembly and a limiting assembly, wherein the limiting assembly is arranged on the connecting assembly;

[0009] The connecting assembly includes a fixing ring, which is fixedly connected to the right side surface of the extruder head. A T-shaped groove is provided on the surface of the fixing ring. T-shaped sliders are slidably connected to the inside of the T-shaped groove on all sides. A fixing plate is fixedly connected to the outside of the T-shaped slider. A rotating shaft is rotatably connected to the right side of the fixing plate. A handle is fixedly connected to one end of the rotating shaft, and an insert is fixedly connected to the other end of the rotating shaft. A fixing seat is fixedly connected to the left side surface of the discharge pipe, and a slot is provided inside the fixing seat.

[0010] Preferably, the slot is arranged to be open on one side close to the fixing plate, and the interior of the slot is plugged into the surface of the plug block.

[0011] Preferably, the limit assembly includes a square groove, the square groove is opened inside the plug block, the left and right sides of the square groove are set as openings, the left and right sides of the inner wall of the slot are fixedly connected with springs, the other side of the spring is fixedly connected with a connecting seat, the other side of the connecting seat is fixedly connected with a square block, the surface of the square block is plugged into the inside of the square groove, the connecting seat is fixedly connected with a connecting rod on the side away from the plug block, the other side of the connecting rod is fixedly connected to a limiting platform, the connecting rod is set inside the spring, limiting grooves are densely opened on the top of the connecting rod, the top of the limiting groove is set as an opening, the left and right sides of the fixed seat are fixedly connected with mounting blocks, the bottom of the mounting block is fixedly connected with an electric push rod, the bottom of the electric push rod is fixedly connected with a limiting block, the surface of the limit block is plugged into the inside of the limit groove, and the block is moved out of the square groove to cancel the limit fixation of the position of the plug block.

[0012] Preferably, through-hole grooves are provided on both sides of the fixing seat, and the surface of the connecting rod is inserted into the through-hole grooves provided on both sides of the fixing seat.

[0013] Preferably, the limiting platforms are arranged on the left and right sides of the fixing seat, and the outer diameter of the limiting platforms is larger than the outer diameter of the through-hole grooves provided on the left and right sides of the fixing seat.

[0014] Preferably, the stabilizing mechanism includes a connecting ring, which is fixedly connected to the surface of the rotating shaft, and the connecting ring is arranged between the fixing plate and the plug block. The left and right surfaces of the connecting ring are fixedly connected with connecting blocks. The fixing plate is provided with a T-slot on the side close to the plug block. The T-slot is arranged on the left and right sides of the rotating shaft. A T-block is slidably connected inside the T-slot, an inclined plate is fixedly connected to the side of the T-block close to the plug block, and a long block is fixedly connected to the other side of the inclined plate. A long slot is provided inside the connecting block, and bolts are threadedly connected inside the long block and the connecting block.

[0015] Preferably, the top of the long slot is set to be open, and the surface of the long block is plugged into the inside of the long slot. When the plug-in block is plugged into the slot, the rotating shaft can be stably supported to avoid the rotating shaft from breaking.

[0016] Compared with the prior art, the utility model provides an extruder that is easy to replace the extrusion head, and has the following beneficial effects:

[0017] 1. The extruder which is convenient for replacing the extruder head is provided with a replacement mechanism. When the replacement mechanism is in operation, the electric push rod drives the limit block to move out of the limit groove, pulls the limit platform, the limit platform drives the connecting seat to move, the connecting seat drives the block to move out of the square groove, the fixed plate drives the T-shaped slider to slide in the T-shaped slide groove, and at the same time the insert block is moved out of the slot, so that the extruder head can be directly pulled to replace the extruder head.

[0018] 2. The extruder which is easy to replace the extruder head is provided with a stabilizing mechanism. When the stabilizing mechanism is running, the inclined plate is moved, and the inclined plate drives the T-block to slide in the T-slot. At the same time, the inclined plate drives the long block to be inserted in the long slot. The triangular stabilizing principle can be utilized. At this time, when the plug-in block is inserted in the slot, the rotating shaft can be stably supported to avoid the rotating shaft from breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0021] Figure 2 is a schematic diagram of the structure of the connection components;

[0022] Figure 3 for Figure 2 A schematic diagram of the structure of the intercepted part;

[0023] Figure 4 It is a structural schematic diagram of the limit assembly;

[0024] Figure 5 It is a schematic diagram of the structure of the stabilizing mechanism;

[0025] Figure 6 for Figure 5 Enlarged structural diagram at A in the middle.

[0026] In the figure: 1. extruder head; 2. discharge pipe; 3. stabilizing mechanism; 31. connecting ring; 32. T-slot; 33. T-block; 34. inclined plate; 35. bolt; 36. connecting block; 37. long slot; 38. long block; 4. replacement mechanism; 41. connecting assembly; 411. T-shaped slider; 412. fixing plate; 413. handle; 414. rotating shaft; 415. slot; 416. fixing seat; 417. insert block; 418. T-shaped slide groove; 419. fixing ring; 42. limiting assembly; 421. square groove; 422. connecting rod; 423. limiting platform; 424. limiting block; 425. electric push rod; 426. mounting block; 427. limiting slot; 428. block; 429. connecting seat; 4201. spring. 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 in 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] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The utility model provides the following technical solutions:

[0030] Embodiment 1

[0031] Combination Figures 1 to 4 , an extruder for conveniently replacing an extrusion head, comprising an extrusion head 1 and a discharge pipe 2, wherein the extrusion head 1 is arranged inside the left side of the discharge pipe 2, a replacement mechanism 4 is arranged between the extrusion head 1 and the discharge pipe 2, and a stabilizing mechanism 3 is arranged on the replacement mechanism 4;

[0032] The replacement mechanism 4 includes a connecting component 41 and a limiting component 42, and the limiting component 42 is arranged on the connecting component 41;

[0033] The connection assembly 41 includes a fixing ring 419, which is fixedly connected to the right side surface of the extruder head 1. A T-shaped slide groove 418 is provided on the surface of the fixing ring 419. T-shaped sliders 411 are slidably connected to the inside of the T-shaped slide groove 418 on all sides. A fixing plate 412 is fixedly connected to the outside of the T-shaped slider 411. A rotating shaft 414 is rotatably connected to the right side of the fixing plate 412. A handle 413 is fixedly connected to one end of the rotating shaft 414. An insert block 417 is fixedly connected to the other end of the rotating shaft 414. A fixing seat 416 is fixedly connected to the left side surface of the discharge pipe 2. A slot 415 is provided inside the fixing seat 416. The slot 415 is set as an opening near the side of the fixing plate 412, and the inside of the slot 415 is plugged into the surface of the insert block 417.

[0034] The limiting component 42 includes a square groove 421, which is opened inside the plug block 417. The left and right sides of the square groove 421 are set as openings. The left and right sides of the inner wall of the slot 415 are fixedly connected with springs 4201. The other side of the spring 4201 is fixedly connected with a connecting seat 429. The other side of the connecting seat 429 is fixedly connected with a square block 428. The surface of the square block 428 is plugged into the inside of the square groove 421. The connecting seat 429 is fixedly connected with a connecting rod 422 on the side away from the plug block 417. The other side of the connecting rod 422 is fixedly connected to the limiting platform 423, the connecting rod 422 is arranged inside the spring 4201, the top of the connecting rod 422 is densely provided with limiting grooves 427, the top of the limiting grooves 427 is set as an opening, the left and right sides of the fixed seat 416 are fixedly connected with mounting blocks 426, the bottom of the mounting block 426 is fixedly connected with an electric push rod 425, the bottom of the electric push rod 425 is fixedly connected with a limiting block 424, and the surface of the limiting block 424 is plugged into the inside of the limiting groove 427;

[0035] Through holes are provided on both sides of the fixing seat 416, and the surface of the connecting rod 422 is inserted into the through holes provided on both sides of the fixing seat 416. The limit platforms 423 are arranged on both sides of the fixing seat 416, and the outer diameter of the limit platforms 423 is larger than the outer diameter of the through holes provided on both sides of the fixing seat 416.

[0036] Furthermore, the electric push rod 425 drives the limit block 424 to move out of the limit groove 427, pulling the limit platform 423, the limit platform 423 drives the connecting seat 429 to move, the connecting seat 429 drives the block 428 to move out of the square groove 421, the fixed plate 412 drives the T-shaped slider 411 to slide in the T-shaped slide groove 418, and at the same time the insert block 417 is moved out of the slot 415, so that the extruder head 1 can be directly pulled to replace the extruder head 1.

[0037] Embodiment 2

[0038] See also Figure 1-6 On the basis of the first embodiment, the stabilizing mechanism 3 further comprises a connecting ring 31, the connecting ring 31 is fixedly connected to the surface of the rotating shaft 414, the connecting ring 31 is arranged between the fixing plate 412 and the plug block 417, the left and right surfaces of the connecting ring 31 are fixedly connected with connecting blocks 36, the fixing plate 412 is provided with a T-slot 32 on the side close to the plug block 417, the T-slot 32 is arranged on the left and right sides of the rotating shaft 414, a T-block 33 is slidably connected inside the T-slot 32, the T-block 33 is fixedly connected with an inclined plate 34 on the side close to the plug block 417, and a long block 38 is fixedly connected on the other side of the inclined plate 34, a long slot 37 is provided inside the connecting block 36, bolts 35 are threadedly connected inside the long block 38 and the connecting block 36, the top of the long slot 37 is set to be open, and the surface of the long block 38 and the inside of the long slot 37 are plugged in.

[0039] Furthermore, by moving the inclined plate 34, the inclined plate 34 drives the T-block 33 to slide in the T-slot 32, and at the same time, the inclined plate 34 drives the long block 38 to be inserted into the long slot 37. The triangular stability principle can be utilized. At this time, when the insertion block 417 is inserted into the slot 415, the rotating shaft 414 can be firmly supported to prevent the rotating shaft 414 from breaking.

[0040] In actual operation, when the device is used, when it is necessary to obtain materials of different shapes, it is necessary to replace different extruder heads 1. At this time, the electric push rod 425 can drive the limit block 424 to move out of the limit slot 427 under the operation of the electric push rod 425, pull the limit platform 423, so that the limit platform 423 drives the connecting seat 429 to move, and the connecting seat 429 drives the block 428 to move out of the square slot 421, and the fixed plate 412 is dialed again, so that the fixed plate 412 drives the T-shaped slider 411 to slide in the T-shaped slide groove 418, and the fixed plate 412 can also drive the rotating shaft 414 to move, and the rotating shaft 414 drives the plug 417 to move out of the slot 415, so that the extruder head 1 can be directly pulled to replace the extruder head 1;

[0041] When the inclined plate 34 is moved, the inclined plate 34 drives the T-block 33 to slide in the T-slot 32, and at the same time the inclined plate 34 drives the long block 38 to be inserted into the long slot 37, and the bolt 35 threadably fixes the long block 38 and the connecting block 36. At this time, the triangular stability principle can be used. At this time, when the insert block 417 is inserted into the slot 415, the rotating shaft 414 can be firmly supported to prevent the rotating shaft 414 from breaking.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An extruder with an extrusion head that is easy to replace, comprising an extrusion head (1) and a discharge pipe (2), characterized in that: The extrusion head (1) is arranged inside the left side of the discharge pipe (2), a replacement mechanism (4) is arranged between the extrusion head (1) and the discharge pipe (2), and a stabilizing mechanism (3) is arranged on the replacement mechanism (4); The replacement mechanism (4) comprises a connecting component (41) and a limiting component (42), wherein the limiting component (42) is arranged on the connecting component (41); The connecting assembly (41) includes a fixing ring (419), which is fixedly connected to the right side surface of the extruder head (1). The surface of the fixing ring (419) is provided with a T-shaped groove (418). The inside of the T-shaped groove (418) is slidably connected with a T-shaped slider (411) on all sides. The outside of the T-shaped slider (411) is fixedly connected with a fixing plate (412). The right side of the fixing plate (412) is rotatably connected with a rotating shaft (414). One end of the rotating shaft (414) is fixedly connected with a handle (413), and the other end of the rotating shaft (414) is fixedly connected with an insert (417). The left side surface of the discharge pipe (2) is fixedly connected with a fixing seat (416), and a slot (415) is provided inside the fixing seat (416).

2. The extruder for facilitating replacement of an extrusion head according to claim 1, characterized in that: The slot (415) is configured to be open on one side close to the fixing plate (412), and the interior of the slot (415) is plugged into the surface of the plug block (417).

3. The extruder with easy extrusion head replacement according to claim 1, characterized in that: The limiting assembly (42) comprises a square groove (421), the square groove (421) is opened inside the plug block (417), the left and right sides of the square groove (421) are both set as openings, the left and right sides of the inner wall of the slot (415) are fixedly connected with springs (4201), the other side of the spring (4201) is fixedly connected with a connecting seat (429), the other side of the connecting seat (429) is fixedly connected with a square block (428), the surface of the square block (428) is plugged into the inside of the square groove (421), and the side of the connecting seat (429) away from the plug block (417) is fixedly connected with a connecting rod (422), The other side of the connecting rod (422) is fixedly connected to a limiting platform (423); the connecting rod (422) is arranged inside the spring (4201); limiting grooves (427) are densely arranged on the top of the connecting rod (422); the top of the limiting groove (427) is arranged to be open; the left and right sides of the fixed seat (416) are fixedly connected to mounting blocks (426); the bottom of the mounting block (426) is fixedly connected to an electric push rod (425); the bottom of the electric push rod (425) is fixedly connected to a limiting block (424); the surface of the limiting block (424) is plugged into the inside of the limiting groove (427).

4. The extruder with easy extrusion head replacement according to claim 3, characterized in that: The fixing seat (416) has through-hole grooves on both sides thereof, and the surface of the connecting rod (422) penetrates and is inserted into the through-hole grooves on both sides thereof.

5. The extruder with easy extrusion head replacement according to claim 3, characterized in that: The limiting platforms (423) are arranged on both sides of the fixing seat (416), and the outer diameter of the limiting platforms (423) is larger than the outer diameter of the through-hole grooves provided on both sides of the fixing seat (416).

6. The extruder with easy extrusion head replacement according to claim 1, characterized in that: The stabilizing mechanism (3) comprises a connecting ring (31), wherein the connecting ring (31) is fixedly connected to the surface of the rotating shaft (414), the connecting ring (31) is arranged between the fixing plate (412) and the plug block (417), the left and right surfaces of the connecting ring (31) are fixedly connected with connecting blocks (36), the fixing plate (412) is provided with a T-shaped slot (32) on one side close to the plug block (417), the T-shaped slot (32) is arranged on the left and right sides of the rotating shaft (414), a T-shaped block (33) is slidably connected inside the T-shaped slot (32), the T-shaped block (33) is fixedly connected to an inclined plate (34) on one side close to the plug block (417), the other side of the inclined plate (34) is fixedly connected with a long block (38), the connecting block (36) is provided with a long slot (37), and bolts (35) are threadedly connected inside the long block (38) and the connecting block (36).

7. The extruder with easy extrusion head replacement according to claim 6, characterized in that: The top of the long groove (37) is set to be open, and the surface of the long block (38) is plugged into the inside of the long groove (37).

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