Extrusion die head mechanism for extruder

Abstract

The utility model belongs to the technical field of extruders, and particularly relates to an extrusion die head mechanism for an extruder. The extruding machine comprises an extruding machine body, an extruding head is arranged at the front end of the extruding machine body, a die head assembly is fixedly connected to the extruding head through a bolt, the die head assembly is composed of a mounting plate, a die plate, a connecting plate and an extruding plate, one side of the mounting plate is fixedly mounted on the extruding head through a bolt, and the other side of the mounting plate is fixedly connected with the connecting plate through a bolt. A U-shaped clamping groove is formed in the other side of the mounting plate, the mold plate is placed in the U-shaped clamping groove in an embedded mode, a connecting plate is placed on the other side of the mold plate in an attached mode, and an extrusion plate is fixedly connected to the other side of the connecting plate through a bolt. The cooling assembly is fixedly installed on the extrusion plate, the cooling speed of plastic particle raw materials is increased conveniently, the product quality is improved, meanwhile, the blades are connected to the outer walls of the discharging holes in an attached mode, driving control is conducted through the motor, and therefore the surface cleanliness of the discharging holes can be kept.

Description

Technical Field

[0001] The utility model belongs to the technical field of extruders and relates to an extrusion die head mechanism for an extruder. Background Art

[0002] An extruder is a plastic machine used to produce various plastic products. It generates pressure and shear force through the rotation of the screw, so that the material is fully plasticized and evenly mixed, and finally formed through the die. The extruder originated in the 18th century and was originally used to produce lead pipes and other materials. With the development of technology, modern extruders can be used to produce a variety of plastic products, including pipes, films, plates, profiles and other types of plastic products. The main components of the extruder include the extruder body, screw, die, shaping device, cooling device, traction device, cutting device and feeding device. In the production process, the plastic particles are first added to the hopper, and then heated and melted by the screw and rotated to the die, and then extruded after passing through the die filter, diverter plate and mold shaping.

[0003] The existing machine head and die are usually an integral whole, which are usually collectively referred to as the machine head. However, there are also cases where the machine head and the die are separated. Therefore, it is cumbersome to replace the die, resulting in low work efficiency. At the same time, after the current die head discharges the material, a part of the extruded liquid usually remains in the die head, which makes it impossible to clean the extruder die head in time, causing more extruded liquid to adhere to the die head, thereby affecting the smooth discharge of the liquid next time, and the practicality is not high. Utility Model Content

[0004] The purpose of the utility model is to provide an extrusion die head mechanism for an extruder in view of the above problems.

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

[0006] An extrusion die head mechanism for an extruder comprises an extruder body, an extrusion head is arranged at the front end of the extruder body, a die head assembly is fixedly connected to the extrusion head by bolts, wherein the die head assembly is composed of a mounting plate, a die plate, a connecting plate and an extrusion plate, wherein one side of the mounting plate is fixedly mounted on the extrusion head by bolts, the other side of the mounting plate is provided with a U-shaped groove, the die plate is embedded in the U-shaped groove, a connecting plate is placed in contact with the other side of the die plate, the other side of the connecting plate is fixedly connected to the extrusion plate by bolts, a cooling assembly is fixedly mounted on the extrusion plate, and a scraping mechanism is fixedly mounted below the cooling assembly and on the outer wall of the extrusion plate.

[0007] In the above-mentioned extrusion die head mechanism for an extruder, a number of extrusion holes are evenly formed in the die plate. The extrusion holes are formed through the inside of the die plate. One end of the extrusion hole is provided with a frustum-shaped structure, and the other end extends out and is formed on the outer side of the die plate.

[0008] In the above-mentioned extrusion die head mechanism for an extruder, a square hole is formed through one side of the connecting plate, and one side of the square hole extends out on the outer wall of the connecting plate to form a square clamping block.

[0009] In the above-mentioned extrusion die head mechanism for an extruder, square grooves are correspondingly formed on the inner wall of the extrusion plate. The square grooves are embedded and installed on the square clamping blocks, and a number of discharge holes are evenly arranged inside the extrusion plate.

[0010] In the above-mentioned extrusion die head mechanism for an extruder, the cooling assembly is composed of a fixing rod, a connecting rod and a cooling fan. One end of the fixing rod is screwed and connected to the outer wall of the extrusion plate through a thread, and the other end of the fixing rod is movably connected with a connecting rod through a pin shaft.

[0011] In the above-mentioned extrusion die head mechanism for an extruder, the other end of the connecting rod is movably connected with a cooling fan through a pin shaft. The cooling fan is arranged and installed on one side above the discharge hole.

[0012] In the above-mentioned extrusion die head mechanism for an extruder, the scraping mechanism is composed of a fixing seat, a sliding rod, a lead screw, a motor and a moving block. The fixing seat is fixedly installed on both sides of the discharge hole through screws and is located on the outer wall of the extrusion plate.

[0013] In the above-mentioned extrusion die head mechanism for an extruder, a sliding rod is fixedly installed between one ends of the fixing seats. The inner wall of the other end of the fixing seat is fixedly connected with a lead screw through a bearing. The other end of the lead screw passes through the fixing seat and is fixedly connected to the driving end of the motor. The motor is fixedly installed on the outer wall of the fixing seat.

[0014] In the above-mentioned extrusion die head mechanism for an extruder, the moving block is sleeved on the sliding rod and the lead screw and is in threaded transmission connection with the lead screw. An inclined chute is arranged inside the moving block, and a spring is placed inside the chute. The spring is fixedly connected to a T-shaped clamping plate.

[0015] In the above-mentioned extrusion die head mechanism for an extruder, a blade is fixedly connected to the inside of the T-shaped clamping plate through a screw. The bottom of the blade is attached and connected to the outer wall of the discharge hole.

[0016] Compared with the existing technology, the advantages of the present utility model are as follows:

[0017] 1. In the present utility model, a mounting plate is fixedly connected to the extrusion head by bolts, and a U-shaped card slot is provided on the other side of the mounting plate. A die plate is embedded in the U-shaped card slot, and a connecting plate is tightly connected to the outside of the die plate. This not only maintains the installation stability of the die plate but also enables the installation and replacement of die plates of different models. On the other side of the connecting plate, an extrusion plate is fixedly installed, and extrusion holes are provided on the outer wall of the bottom of the extrusion plate, so that plastic particles can be extruded and processed. At the same time, a fixing rod is fixedly connected to the outer wall of the extrusion plate by threads, and the other end of the fixing rod is movably connected to a connecting rod by a pin shaft. The other end of the connecting rod is movably connected to a heat dissipation fan by a pin shaft. This not only allows the angle of the heat dissipation fan to be adjusted but also enables the rapid cooling of the extruded raw materials, making the practicability more abundant.

[0018] 2. In the present utility model, fixing seats are fixedly installed on the outer wall of the extrusion plate on both sides of the extrusion holes, a sliding rod and a lead screw are respectively fixedly installed and movably installed between the fixing seats, and a moving block is sleeved on the lead screw and the sliding rod. One end of the lead screw is fixedly connected to the driving end of a motor, and the moving block is in threaded transmission connection with the lead screw, so that the lead screw can be used to drive the moving block to move. At the same time, an inclined chute is provided inside the moving block, and a clamping plate is elastically connected to the inside of the chute by a spring. A blade is fixedly connected to the inside of the clamping plate by screws, and the bottom of the blade is attached to the outer wall of the discharge hole, so that the discharge hole can be cleaned by the blade, further increasing the practicability of the device.

[0019] Other advantages, objectives, and features of the present utility model will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the overall structural schematic diagram of the present utility model.

[0021] Figure 2 is the front view of the mounting plate of the present utility model.

[0022] Figure 3 is the front view of the connecting plate of the present utility model.

[0023] Figure 4 is the front view of the die plate of the present utility model.

[0024] Figure 5 is the side sectional view of the die plate of the present utility model.

[0025] Figure 6 is the internal view of the extrusion plate of the present utility model.

[0026] Figure 7 It is the bottom view of the extrusion plate of the present utility model.

[0027] Figure 8 It is the overall structural schematic diagram of the scraping mechanism of the present utility model.

[0028] Figure 9 It is the side sectional view of the moving block of the present utility model.

[0029] Figure 10 It is the connection schematic diagram of the blade and the clamping plate of the present utility model.

[0030] Figure 11 It is the present utility model Figure 1 The enlarged schematic diagram at position A.

[0031] In the figure: 1. Extruder main body; 2. Extrusion head; 3. Die head assembly; 4. Mounting plate; 41. U-shaped card slot; 5. Die plate; 51. Extrusion hole; 6. Connecting plate; 61. Square hole; 62. Square card block; 7. Extrusion plate; 71. Square groove; 72. Discharge hole; 8. Cooling assembly; 81. Fixed rod; 82. Link rod; 83. Cooling fan; 84. Pin shaft; 9. Scraping mechanism; 91. Fixed seat; 92. Slide bar; 93. Lead screw; 94. Motor; 95. Moving block; 96. Slide groove; 97. Spring; 98. Clamping plate; 908. Blade. Specific embodiments

[0032] The present utility model will be further described below with reference to the accompanying drawings.

[0033] As Figure 1-11 shown, an extrusion die head mechanism for an extruder includes an extruder main body 1, an extrusion head 2 is provided at the front end of the extruder main body 1, and a die head assembly 3 is fixedly connected to the extrusion head 2 by bolts. The die head assembly 3 is composed of a mounting plate 4, a die plate 5, a connecting plate 6 and an extrusion plate 7. One side of the mounting plate 4 is fixedly installed on the extrusion head 2 by bolts, a U-shaped card slot 41 is provided on the other side of the mounting plate 4, the die plate 5 is embedded and placed in the U-shaped card slot 41, the connecting plate 6 is placed in a fitting manner on the other side of the die plate 5, the extrusion plate 7 is fixedly connected to the other side of the connecting plate 6 by bolts, a cooling assembly 8 is fixedly installed on the extrusion plate 7, and a scraping mechanism 9 is fixedly installed below the cooling assembly 8 and on the outer wall of the extrusion plate 7.

[0034] In this embodiment, an extrusion head 2 is fixedly connected to the front end of the extrusion machine body 1, facilitating the processing and extrusion operations of plastic particle raw materials. An installation plate 4 is fixedly connected to the extrusion head 2 by bolts, facilitating the installation stability of the installation plate 4. At the same time, a U-shaped card slot 41 is provided on the other side of the installation plate 4, so that the mold plate 5 can be placed and used more stably. On the other side of the mold plate 5, a connecting plate 6 is tightly connected by bolts, facilitating the replacement and installation of the mold plate 5 and improving work efficiency. At the same time, an extrusion plate 7 is fixedly connected to the other side of the connecting plate 6 by bolts. This not only maintains the stable installation of the extrusion plate 7 but also enables the extrusion operation of raw materials using the extrusion plate 7. A cooling component 8 and a scraping mechanism 9 are fixedly installed on the extrusion plate 7, which can further improve the processing quality of products and has richer practicability.

[0035] Combined with Figure 4 、 Figure 5 As shown, a number of extrusion holes 51 are evenly formed in the mold plate 5. The extrusion holes 51 are formed through the interior of the mold plate 5. One end of the extrusion hole 51 is a frustum-shaped structure, and the other end extends out of the outer side of the mold plate 5.

[0036] In this embodiment, by evenly forming a number of extrusion holes 51 in the mold plate 5 and setting one end of the extrusion hole 51 as a frustum-shaped structure and the other end extending out of the outer side of the mold plate 5, the plastic particle raw materials can be better guided and conveyed.

[0037] Combined with Figure 3 As shown, a square hole 61 is formed through one side of the connecting plate 6, and one side of the square hole 61 extends out of the outer wall of the connecting plate 6 to form a square block 62.

[0038] In this embodiment, by forming a square hole 61 through the connecting plate 6 and extending one side of the square hole 61 out of the outer wall of the connecting plate 6 to form a square block 62, the formed plastic raw materials can be placed and conveyed.

[0039] Combined with Figure 6 、 Figure 11 As shown, square grooves 71 are correspondingly formed on the inner wall of the extrusion plate 7. The square grooves 71 are embedded in the square blocks 62, and a number of discharge holes 72 are evenly arranged inside the extrusion plate 7.

[0040] In this embodiment, a square groove 71 is correspondingly formed on the inner wall of the extrusion plate 7, and the square groove 71 is embedded and installed on the square block 62, which is convenient for keeping the extrusion plate 7 stably installed on the connecting plate 6. At the same time, a number of discharge holes 72 are uniformly arranged inside the extrusion plate 7, so that the raw materials can be output and used.

[0041] Combined with Figure 7 、 Figure 11 As shown, the cooling assembly 8 is composed of a fixed rod 81, a connecting rod 82 and a radiator fan 83. One end of the fixed rod 81 is screwed and connected to the outer wall of the extrusion plate 7, and the other end of the fixed rod 81 is movably connected to the connecting rod 82 through a pin shaft 84.

[0042] In this embodiment, by screwing and connecting the fixed rod 81 to the outer wall of the extrusion plate 7, it is convenient to maintain the installation stability of the fixed rod 81. At the same time, the other end of the fixed rod 81 is movably connected to the connecting rod 82 through a pin shaft 84, so that not only can the connecting rod 82 be kept stable, but also it can be adjusted and rotated at a certain angle.

[0043] Combined with Figure 7 、 Figure 11 As shown, the other end of the connecting rod 82 is movably connected to the radiator fan 83 through a pin shaft 84, and the radiator fan 83 is arranged and installed above one side of the discharge hole 72.

[0044] In this embodiment, by movably connecting the other end of the connecting rod 82 to the radiator fan 83 through a pin shaft 84, not only can the connection stability of the radiator fan 83 be maintained, but also the angle of the radiator fan 83 can be adjusted within a certain range.

[0045] Combined with Figure 8 、 Figure 11 As shown, the scraping mechanism 9 is composed of a fixed seat 91, a sliding rod 92, a lead screw 93, a motor 94 and a moving block 95. The fixed seat 91 is fixedly installed on both sides of the discharge hole 72 through screws and is located on the outer wall of the extrusion plate 7.

[0046] In this embodiment, by fixedly installing the fixed seat 91 on both sides of the discharge hole 72 through screws and being located on the outer wall of the extrusion plate 7, the fixed seat 91 can be stably installed on the extrusion plate 7.

[0047] Combined with Figure 8 、 Figure 11 As shown, a sliding rod 92 is fixedly installed between one ends of the fixed seat 91, and the lead screw 93 is fixedly connected to the inner wall of the other end of the fixed seat 91 through a bearing. The other end of the lead screw 93 passes through the fixed seat 91 and is fixedly connected to the driving end of the motor 94, and the motor 94 is fixedly installed on the outer wall of the fixed seat 91.

[0048] In this embodiment, a slide bar 92 is fixedly installed between one ends of a fixed seat 91. Meanwhile, a lead screw 93 is fixedly connected to the inner wall of the other end of the fixed seat 91 through a bearing. The other end of the lead screw 93 passes through the fixed seat 91 and is fixedly connected to the driving end of a motor 94, so that the motor 94 can be used to drive the lead screw 93 to rotate.

[0049] Combined with Figure 8 、 Figure 9 As shown in the figure, a moving block 95 is sleeved on the slide bar 92 and the lead screw 93 and is in threaded transmission connection with the lead screw 93. An inclined chute 96 is arranged inside the moving block 95, and a spring 97 is placed inside the chute 96. The spring 97 is fixedly connected to a T-shaped clamping plate 98.

[0050] In this embodiment, by sleeving the moving block 95 on the slide bar 92 and the lead screw 93 and making it in threaded transmission connection with the lead screw 93, the lead screw 93 can be used to drive the moving block 95 to move. Meanwhile, an inclined chute 96 is arranged inside the moving block 95, and a spring 97 is placed inside the chute 96. The spring 97 is fixedly connected to the T-shaped clamping plate 98, which facilitates the clamping plate 98 to move a certain distance inside the chute 96.

[0051] Combined with Figure 9 、 Figure 10 As shown in the figure, a blade 908 is fixedly connected to the inside of the T-shaped clamping plate 98 through screws. The bottom of the blade 908 is in fitting connection with the outer wall of the discharge hole 72.

[0052] In this embodiment, by fixedly connecting the blade 908 to the inside of the clamping plate 98 through screws, the installation stability of the blade 908 can be maintained. Meanwhile, by making the bottom of the blade 908 in fitting connection with the outer wall of the discharge hole 72, the outer wall of the discharge hole 72 can be scraped.

[0053] The working principle of the present utility model is:

[0054] When the utility model is in use, the main body 1 of the extruder is transported to a suitable position. At this time, a mold plate 5 of a suitable size is embedded in the U-shaped card slot 41, and the connecting plate 6 is further fixedly connected to the mounting plate 4, so as to maintain the placement stability of the mold plate 5. At the same time, an extrusion plate 7 is fixedly connected to the outer wall on the other side of the connecting plate 6 by bolts, so that an extrusion plate 7 of a suitable size can be installed and replaced for use, and the operation is more convenient. At the same time, a fixing rod 81 is screwed to the extrusion plate 7 by threads. The other end of the fixing rod 81 is movably connected to a connecting rod 82 by a pin shaft 84. At the same time, the other end of the connecting rod 82 is movably connected to a heat dissipation fan 83 by a pin shaft 84. Thus, not only can the angle of the heat dissipation fan 83 be adjusted, but also the extruded plastic particle raw materials can be cooled more quickly, which is convenient for improving the product quality. At the same time, fixing seats 91 are fixedly installed on the outer wall of the extrusion plate 7 on both sides of the discharge hole 72, and a sliding rod 92 is fixedly installed between one ends of the fixing seats 91. At the same time, a lead screw 93 is fixedly connected to the inner wall of the other end of the fixing seat 91 by a bearing. The other end of the lead screw 93 passes through the fixing seat 91 and is fixedly connected to the driving end of the motor 94. Thus, the motor 94 can be used to drive the lead screw 93 to rotate. The moving block 95 is sleeved on the sliding rod 92 and the lead screw 93 and is in threaded transmission connection with the lead screw 93. Thus, the lead screw 93 can be used to drive the moving block 95 to move. At the same time, an inclined chute 96 is arranged inside the moving block 95, and a spring 97 is placed inside the chute 96. The spring 97 is fixedly connected to the T-shaped clamping plate 98, which is convenient for the clamping plate 98 to move a certain distance in the chute 96. Finally, a blade 908 is fixedly connected to the inside of the clamping plate 98 by screws, which is convenient for maintaining the installation stability of the blade 908. At the same time, when the bottom of the blade 908 is attached to the outer wall of the discharge hole 72, the outer wall of the discharge hole 72 can be scraped, further increasing the practicability of the device.

[0055] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art of the utility model can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the utility model.

[0056] Although terms such as 1. Extruder body; 2. Extrusion head; 3. Die head assembly; 4. Mounting plate; 41. U-shaped card slot; 5. Die plate; 51. Extrusion hole; 6. Connecting plate; 61. Square hole; 62. Square card block; 7. Extrusion plate; 71. Square groove; 72. Discharge hole; 8. Cooling assembly; 81. Fixed rod; 82. Link rod; 83. Cooling fan; 84. Pin shaft; 9. Scraping mechanism; 91. Fixed seat; 92. Slide bar; 93. Lead screw; 94. Motor; 95. Moving block; 96. Slide groove; 97. Spring; 98. Clamping plate; 908. Blade are used more frequently in this text, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the essence of the present utility model, and interpreting them as any additional limitation is contrary to the spirit of the present utility model.

Claims

1. An extrusion die head mechanism for an extruder, comprising an extruder body (1), characterized in that: The front end of the extruder body (1) is provided with an extrusion head (2), and a die head assembly (3) is fixedly connected to the extrusion head (2) by bolts, wherein the die head assembly (3) is composed of a mounting plate (4), a die plate (5), a connecting plate (6) and an extrusion plate (7), wherein one side of the mounting plate (4) is fixedly mounted on the extrusion head (2) by bolts, and the other side of the mounting plate (4) is provided with a U-shaped groove (41), and the die plate (5) is embedded in the U-shaped groove (41), and the other side of the die plate (5) is fitted with a connecting plate (6), and the other side of the connecting plate (6) is fixedly connected to the extrusion plate (7) by bolts, and a cooling assembly (8) is fixedly mounted on the extrusion plate (7), and a scraping mechanism (9) is fixedly mounted below the cooling assembly (8) and on the outer wall of the extrusion plate (7).

2. The extrusion die head mechanism for an extruder according to claim 1, characterized in that: A plurality of extrusion holes (51) are evenly arranged on the mold plate (5), and the extrusion holes (51) are through-opened inside the mold plate (5), wherein one end of the extrusion hole (51) is set as a truncated cone structure, and the other end extends out and is opened outside the mold plate (5).

3. The extrusion die head mechanism for an extruder according to claim 2, characterized in that: A square hole (61) is formed through one side of the connecting plate (6), and one side of the square hole (61) extends out from the outer wall of the connecting plate (6) to form a square clamping block (62).

4. The extrusion die head mechanism for an extruder according to claim 3, characterized in that: A square groove (71) is correspondingly provided on the inner wall of the extrusion plate (7), wherein the square groove (71) is embedded in the square clamping block (62), and a plurality of discharge holes (72) are evenly arranged inside the extrusion plate (7).

5. The extrusion die head mechanism for an extruder according to claim 4, characterized in that: The cooling assembly (8) is composed of a fixing rod (81), a connecting rod (82) and a heat dissipation fan (83), wherein one end of the fixing rod (81) is screwed to the outer wall of the extrusion plate (7) through a thread, and the other end of the fixing rod (81) is movably connected to the connecting rod (82) through a pin shaft (84).

6. The extrusion die head mechanism for an extruder according to claim 5, characterized in that: The other end of the connecting rod (82) is movably connected to a heat dissipation fan (83) via a pin shaft (84), wherein the heat dissipation fan (83) is arranged and installed on one side above the discharge hole (72).

7. The extrusion die head mechanism for an extruder according to claim 6, characterized in that: The scraping mechanism (9) is composed of a fixed seat (91), a sliding rod (92), a screw rod (93), a motor (94) and a moving block (95), wherein the fixed seat (91) is fixedly mounted on both sides of the discharge hole (72) by screws and is located on the outer wall of the extrusion plate (7).

8. The extrusion die head mechanism for an extruder according to claim 7, characterized in that: A slide rod (92) is fixedly installed between one end of the fixed seat (91), and a screw rod (93) is fixedly connected to the inner wall of the other end of the fixed seat (91) through a bearing. The other end of the screw rod (93) passes through the fixed seat (91) and is fixedly connected to the driving end of the motor (94), and the motor (94) is fixedly installed on the outer wall of the fixed seat (91).

9. The extrusion die head mechanism for an extruder according to claim 8, characterized in that: The moving block (95) is sleeved on the slide rod (92) and the screw rod (93) and is threadedly connected to the screw rod (93), wherein an inclined slide groove (96) is arranged inside the moving block (95), a spring (97) is placed inside the slide groove (96), and the spring (97) is fixedly connected to the T-shaped clamp plate (98).

10. The extrusion die head mechanism for an extruder according to claim 9, characterized in that: A blade (908) is fixedly connected to the inside of the T-shaped clamp (98) by screws, wherein the bottom of the blade (908) is closely connected to the outer wall of the discharge hole (72).

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