Screw extruder

By designing a combined structure of the mobile rack and the cleaning rack in the screw extruder, the automatic cleaning of the extrusion plate is achieved, the problems of blockage and poor cleaning of the extrusion material are solved, and the working efficiency of the device is improved.

CN222681719UActive Publication Date: 2025-03-28ZHEJIANG FANGDA WEAVING RIBBON CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421402226.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-03-28
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

When used in existing screw extruders, the extrusion material can easily clog the extrusion holes on the extrusion plate, affect the working efficiency of the device, and the cleaning effect is poor.

Method used

A screw extruder is designed, adopting a combined structure of a mobile rack and a cleaning rack. The mobile rack is slidally connected to the guide block of the fixing rack through a guide groove. The cleaning column of the cleaning rack can be inserted into the extrusion hole of the extrusion plate, and automatic cleaning of the extrusion plate is achieved through transmission connection.

Benefits of technology

The extrusion material is effectively prevented from clogging the extrusion holes on the extrusion plate, improving the working efficiency of the device, and significantly improving the cleaning effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222681719U_ABST
    Figure CN222681719U_ABST
Patent Text Reader

Abstract

The utility model provides a screw extruder, relates to the technical field of screw extruders, and aims to solve the problems that the working efficiency of a device is easily influenced and the cleaning effect of the device needs to be improved because an extrusion material blocks an extrusion hole in an extrusion plate. A feeding opening is formed in the top of the extrusion barrel, a set of cleaning frames are further slidably installed at the bottom of the extrusion barrel, cleaning columns at the left ends of the cleaning frames are installed in extrusion holes of the extrusion plate in an inserted mode, the cleaning frames are in transmission connection with the rotating rod, and a set of limiting plates are further fixedly connected to the bottom of the fixing frame. The rotating rod rotates, the movable frame moves downwards until the extrusion base on the movable frame makes contact with the limiting plate at the bottom of the fixed frame, the movable frame continues to move downwards, the cleaning frame continues to move leftwards at the same time, and the cleaning columns at the left end of the cleaning frame are inserted into the extrusion holes of the extrusion plate respectively. And therefore, the device can conveniently and quickly penetrate through and clean extrusion holes in the extrusion plate, and the device has a better cleaning effect.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of screw extruders, and more specifically, particularly relates to a screw extruder. Background Art

[0002] The silk thread used for textile Velcro is mixed from a variety of raw materials in proportion, the mixed raw materials are fed into a screw extruder for melt blending, and then the formed silk thread is woven. Therefore, the production of silk thread for textile Velcro requires a screw extruder; when existing similar screw extruders are in use, the extrusion materials clog the extrusion holes on the extrusion plate, which easily affects the working efficiency of the device, and the cleaning effect of the device needs to be improved. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a screw extruder to solve the problems that the extrusion holes on the extrusion plate are easily blocked by the existing similar extrusion materials and the working efficiency of the device is easily affected, and the cleaning effect of the device needs to be improved.

[0004] The screw extruder of the utility model is achieved by the following specific technical means:

[0005] A screw extruder comprises an extrusion barrel;

[0006] A group of feeding ports are provided on the top of the extrusion barrel, a group of extrusion motors are fixed on the side end of the extrusion barrel, a group of extrusion screws are rotatably installed inside the extrusion barrel, a group of fixed frames are fixedly installed on the left end of the extrusion barrel, a driving motor is fixedly installed on the fixed frame, a group of rotating rods are rotatably installed at both ends of the fixed frame, and the outer ends of the rotating rods are fixed on the transmission shaft of the driving motor, a group of mobile frames are slidably installed on the fixed frame, a group of extrusion seats are slidably installed on the mobile frame, a group of extrusion plates are fixedly installed on the extrusion seats, extrusion holes are provided on the extrusion plates, and the mobile frame is transmission-connected with the rotating rod, a group of cleaning frames are slidably installed at the bottom of the extrusion barrel, a cleaning column is correspondingly provided at the left end of the cleaning frame, and the cleaning columns at the left end of the cleaning frame are respectively plugged and installed in the extrusion holes of the extrusion plate, the cleaning frame is transmission-connected with the rotating rod, and a group of limit plates are fixedly connected to the bottom of the fixed frame.

[0007] In at least some embodiments, a group of first racks are fixedly mounted on the connecting rods at both ends of the movable frame, a group of second gears are fixedly mounted on the rotating rod, and the first racks on the movable frame are meshed and transmission-connected with the second gears on the rotating rod.

[0008] In at least some embodiments, a second rack is fixedly connected to the top of the sliding rod, a first gear is also fixed to the top of the rotating rod, and the second rack on the top of the sliding rod is meshed and transmission-connected with the first gear on the top of the rotating rod.

[0009] In at least some embodiments, a group of connecting rods are fixedly installed at both ends of the movable frame, and a group of connecting plates are fixedly installed on both sides of the bottom of the extrusion seat. A group of guide holes are opened on the connecting plates, and the guide holes on the connecting plates at the bottom of the extrusion seat are slidably installed on the connecting rods at both ends of the movable frame.

[0010] In at least some embodiments, a group of slide rods are fixedly connected to both side ends of the cleaning frame, a group of slide holes are respectively opened at both ends of the fixing frame, and the slide rods at both side ends of the cleaning frame are slidably installed on the slide holes at both ends of the fixing frame.

[0011] In at least some embodiments, a group of elastic members are respectively sleeved and mounted on the connecting rods at both ends of the movable frame, and the bottom ends of the elastic members are in contact with the top surface of the connecting plate on the extrusion seat.

[0012] In at least some embodiments, a group of guide blocks are fixedly connected to both sides of the inner end of the fixed frame, a group of guide grooves are respectively opened at both sides of the inner end of the movable frame, and the guide grooves at both sides of the inner end of the movable frame are respectively slidably installed on the guide blocks at the inner end of the fixed frame.

[0013] Compared with the prior art, the screw extruder of the utility model has the following beneficial effects:

[0014] 1. The setting of the movable frame is conducive to slidingly installing on the guide blocks at the inner ends of the fixed frame through the guide grooves at the inner ends of both sides of the movable frame. In the initial position, the movable frame is placed at the uppermost end, the extrusion plate on the extrusion seat is placed at the left end of the extrusion barrel, and the extrusion holes on the extrusion plate extrude the mixed raw materials through the extrusion screw. The driving motor drives the rotating rod to rotate, and the first rack on the movable frame is respectively meshed with the second gear on the rotating rod for transmission connection. The guide holes on the connecting plate at the bottom of the extrusion seat are respectively slidably installed on the connecting rods at both ends of the movable frame. The movable frame moves downward until the extrusion seat on the movable frame contacts the limit plate at the bottom of the fixed frame. The movable frame continues to move downward, the extrusion seat remains stationary and is placed at the left end of the cleaning frame. The elastic member is compressed so that the device is convenient for the extrusion plate on the extrusion seat to be separated from the left end of the extrusion barrel for easy cleaning.

[0015] 2. The setting of the cleaning frame is conducive to driving the motor to drive the rotating rod to rotate and drive the cleaning frame to move to the left. When the extrusion seat contacts the limit plate at the bottom of the fixed frame, the movable frame continues to move downward, and the cleaning frame continues to move to the left at the same time. The cleaning columns at the left end of the cleaning frame are respectively inserted and installed in the extrusion holes of the extrusion plate, so that the device can automatically and quickly penetrate and clean the extrusion holes on the extrusion plate to avoid the extrusion material clogging the extrusion holes on the extrusion plate and affecting the working efficiency of the device. The device has a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a left side axial view schematic diagram of the utility model.

[0017] Figure 2 It is a right side axial view schematic diagram of the utility model.

[0018] Figure 3 It is a schematic diagram of the installation of the rotating rod of the utility model.

[0019] Figure 4 It is a schematic diagram of disassembly and assembly of the fixing frame of the utility model.

[0020] Figure 5 It is a schematic diagram of disassembly and assembly of the cleaning rack of the utility model.

[0021] Figure 6 It is a schematic diagram of disassembly and assembly of the extrusion seat of the utility model.

[0022] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0023] 1. Extrusion barrel; 101. Feed inlet; 102. Extrusion motor; 1021. Extrusion screw; 103. Fixed frame; 1031. Guide block; 1032. Drive motor; 1033. Slide hole; 104. Rotating rod; 1041. First gear; 1042. Second gear; 2. Moving frame; 201. Connecting rod; 2011. First rack; 202. Elastic member; 203. Guide groove; 3. Extrusion seat; 301. Extrusion plate; 3011. Extrusion hole; 302. Connecting plate; 3021. Guide hole; 4. Cleaning frame; 401. Cleaning column; 402. Slide rod; 4021. Second rack. DETAILED DESCRIPTION

[0024] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0025] As attached Figure 1 To Attachment Figure 6 As shown:

[0026] Embodiment 1: The utility model provides a screw extruder, comprising an extrusion barrel 1;

[0027] A group of feed ports 101 are provided at the top of the extrusion barrel 1, a group of extrusion motors 102 are fixed at the side end of the extrusion barrel 1, a group of extrusion screws 1021 are rotatably installed inside the extrusion barrel 1, a group of fixed frames 103 are fixedly installed at the left end of the extrusion barrel 1, a driving motor 1032 is fixedly installed on the fixed frame 103, a group of rotating rods 104 are rotatably installed at both ends of the fixed frame 103, and the outer ends of the rotating rods 104 are fixed on the transmission shaft of the driving motor 1032, a group of moving frames 2 are slidably installed on the fixed frame 103, and a group of moving frames 2 are slidably installed on the moving frame 2. A group of extrusion seats 3 are installed, a group of extrusion plates 301 are fixedly installed on the extrusion seats 3, an extrusion hole 301 is opened on the extrusion plate 301, and the movable frame 2 is connected to the rotating rod 104 in a transmission manner. A group of cleaning frames 4 are also slidably installed at the bottom of the extrusion cylinder 1, and a cleaning column 401 is correspondingly opened at the left end of the cleaning frame 4, and the cleaning columns 401 at the left end of the cleaning frame 4 are respectively inserted and installed in the extrusion holes 3011 of the extrusion plate 301, the cleaning frame 4 is connected to the rotating rod 104 in a transmission manner, and a group of limit plates are also fixedly connected to the bottom of the fixed frame 103.

[0028] like Figures 2 to 6As shown, a group of guide blocks 1031 are fixedly connected to both sides of the inner end of the fixed frame 103, a group of guide grooves 203 are respectively opened at the inner ends of both sides of the mobile frame 2, and the guide grooves 203 at the inner ends of both sides of the mobile frame 2 are respectively slidably installed on the guide blocks 1031 at the inner ends of the fixed frame 103, a group of connecting rods 201 are respectively fixedly installed at both ends of the mobile frame 2, a group of connecting plates 302 are respectively fixedly installed at both sides of the bottom of the extrusion seat 3, a group of guide holes 3021 are opened on the connecting plates 302, and the bottom connecting plates 303 of the extrusion seat 3 are respectively fixedly installed. The guide holes 3021 on the movable frame 2 are respectively slidably mounted on the connecting rods 201 at both ends of the movable frame 2, and a group of elastic members 202 are respectively sleeved and mounted on the connecting rods 201 at both ends of the movable frame 2, and the bottom ends of the elastic members 202 are in contact with the top surface of the connecting plate 302 on the extrusion seat 3, and a group of first racks 2011 are respectively fixedly mounted on the connecting rods 201 at both ends of the movable frame 2, and a group of second gears 1042 are fixedly mounted on the rotating rod 104, and the first racks 2011 on the movable frame 2 are respectively connected to the second gears 1042 on the rotating rod 104. The two gears 1042 are meshed and connected in transmission; specifically, the guide grooves 203 at the inner ends of the two sides of the mobile frame 2 are respectively slidably installed on the guide blocks 1031 at the inner ends of the fixed frame 103. In the initial position, the mobile frame 2 is placed at the uppermost end, the extrusion plate 301 on the extrusion seat 3 is placed at the left end of the extrusion barrel 1, and the extrusion hole 3011 on the extrusion plate 301 extrude the mixed raw materials through the extrusion screw 1021. The driving motor 1032 drives the rotating rod 104 to rotate, and the first rack 2011 on the mobile frame 2 is respectively connected to the rotating rod 104 The second gear 1042 on the upper frame is meshed with the transmission connection, and the guide holes 3021 on the connecting plate 302 at the bottom of the extrusion seat 3 are respectively slidably installed on the connecting rods 201 at both ends of the mobile frame 2. The mobile frame 2 moves downward until the extrusion seat 3 on the mobile frame 2 contacts the limit plate at the bottom of the fixed frame 103. The mobile frame 2 continues to move downward, the extrusion seat 3 remains stationary and is placed at the left end of the cleaning frame 4. The elastic member 202 is compressed to make it easy for the device to detach the extrusion plate 301 on the extrusion seat 3 from the left end of the extrusion barrel 1 to facilitate cleaning.

[0029] Embodiment 2: On the basis of embodiment 1, a group of slide bars 402 are fixedly connected to both side ends of the cleaning frame 4, and a group of slide holes 1033 are respectively opened at both ends of the fixed frame 103, and the slide bars 402 at both side ends of the cleaning frame 4 are respectively slidably installed on the slide holes 1033 at both ends of the fixed frame 103, and the top of the slide bar 402 is fixedly connected to the second rack 4021, and the top of the rotating rod 104 is also fixed with a first gear 1041, and the second rack 4021 at the top of the slide bar 402 is meshed and driven with the first gear 1041 at the top of the rotating rod 104; the specific function is that the slide bars 402 at both side ends of the cleaning frame 4 are respectively slidably installed on the slide holes 1033 at both ends of the fixed frame 103, and the slide bars The second rack 4021 at the top of 402 is meshed and connected with the first gear 1041 at the top of the rotating rod 104, and the driving motor 1032 drives the rotating rod 104 to rotate and drives the cleaning frame 4 to move to the left. When the extrusion seat 3 contacts the limiting plate at the bottom of the fixed frame 103, the movable frame 2 continues to move downward, and the cleaning frame 4 continues to move to the left at the same time. The cleaning columns 401 at the left end of the cleaning frame 4 are respectively inserted and installed in the extrusion holes 3011 of the extrusion plate 301, so that the device can automatically and quickly penetrate and clean the extrusion holes 3011 on the extrusion plate 301, so as to avoid the extrusion material clogging the extrusion holes 3011 on the extrusion plate 301 and affecting the working efficiency of the device. The device has a better cleaning effect.

[0030] The specific usage and function of this embodiment are as follows:

[0031] When the utility model is in use, in the initial position, the movable frame 2 is placed at the uppermost end, the extrusion plate 301 on the extrusion seat 3 is placed at the left end of the extrusion barrel 1, the extrusion hole 3011 on the extrusion plate 301 extrude the mixed raw materials through the extrusion screw 1021, the driving motor 1032 drives the rotating rod 104 to rotate, the first rack 2011 on the movable frame 2 is respectively meshed with the second gear 1042 on the rotating rod 104 for transmission connection, the guide holes 3021 on the connecting plate 302 at the bottom of the extrusion seat 3 are respectively slidably mounted on the connecting rods 201 at both ends of the movable frame 2, the movable frame 2 moves downward until the extrusion seat 3 on the movable frame 2 contacts the limit plate at the bottom of the fixed frame 103, and the movable frame 2 continues to move downward The extrusion seat 3 remains stationary and is placed at the left end of the cleaning frame 4. The elastic member 202 is compressed, so that the device can easily disengage the extrusion plate 301 on the extrusion seat 3 from the left end of the extrusion barrel 1 to facilitate cleaning; when the extrusion seat 3 contacts the limiting plate at the bottom of the fixed frame 103, the movable frame 2 continues to move downward, and the cleaning frame 4 continues to move to the left at the same time. The cleaning columns 401 at the left end of the cleaning frame 4 are respectively inserted and installed in the extrusion holes 3011 of the extrusion plate 301, so that the device can automatically and quickly penetrate and clean the extrusion holes 3011 on the extrusion plate 301, so as to avoid the extrusion material clogging the extrusion holes 3011 on the extrusion plate 301 and affecting the working efficiency of the device, and the device has a better cleaning effect.

[0032] In this article, there are a few points to note:

[0033] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0034] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0035] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A screw extruder, comprising an extrusion barrel (1); A group of feed ports (101) are provided at the top of the extrusion barrel (1), which are characterized by: A group of extrusion motors (102) are fixed at the side end of the extrusion barrel (1), a group of extrusion screws (1021) are rotatably installed inside the extrusion barrel (1), a group of fixed frames (103) are fixedly installed at the left end of the extrusion barrel (1), a driving motor (1032) is fixedly installed on the fixed frame (103), a group of rotating rods (104) are rotatably installed at both ends of the fixed frame (103), and the outer ends of the rotating rods (104) are fixed on the transmission shaft of the driving motor (1032), a group of moving frames (2) are slidably installed on the fixed frame (103), and a group of extrusion seats (3) are slidably installed on the moving frame (2), and the extrusion barrel (103) is provided with a plurality of extrusion seats (3). A group of extrusion plates (301) are fixedly mounted on the outlet seat (3), an extrusion hole (3011) is provided on the extrusion plate (301), and the movable frame (2) is connected to the rotating rod (104) by transmission. A group of cleaning frames (4) are also slidably mounted on the bottom of the extrusion barrel (1), a cleaning column (401) is correspondingly provided at the left end of the cleaning frame (4), and the cleaning columns (401) at the left end of the cleaning frame (4) are respectively inserted and mounted in the extrusion hole (3011) of the extrusion plate (301), the cleaning frame (4) is connected to the rotating rod (104) by transmission, and a group of limit plates are also fixedly connected to the bottom of the fixed frame (103).

2. A screw extruder according to claim 1, characterized in that: A group of guide blocks (1031) are fixedly connected to both sides of the inner end of the fixed frame (103), and a group of guide grooves (203) are respectively opened at both sides of the inner end of the movable frame (2), and the guide grooves (203) at both sides of the inner end of the movable frame (2) are respectively slidably mounted on the guide blocks (1031) at the inner end of the fixed frame (103).

3. A screw extruder according to claim 1, characterized in that: A group of connecting rods (201) are fixedly mounted on both ends of the movable frame (2), and a group of connecting plates (302) are fixedly mounted on both sides of the bottom of the extrusion seat (3). A group of guide holes (3021) are formed on the connecting plates (302), and the guide holes (3021) on the connecting plates (302) at the bottom of the extrusion seat (3) are slidably mounted on the connecting rods (201) at both ends of the movable frame (2).

4. A screw extruder according to claim 1, characterized in that: A group of elastic members (202) are respectively sleeved and installed on the connecting rods (201) at both ends of the movable frame (2), and the bottom ends of the elastic members (202) are in contact with the top surface of the connecting plate (302) on the extrusion seat (3).

5. A screw extruder according to claim 1, characterized in that: A group of first racks (2011) are fixedly mounted on the connecting rods (201) at both ends of the moving frame (2), a group of second gears (1042) are fixedly mounted on the rotating rod (104), and the first racks (2011) on the moving frame (2) are meshed and transmission-connected with the second gears (1042) on the rotating rod (104).

6. A screw extruder according to claim 1, characterized in that: A group of sliding rods (402) are fixedly connected to both side ends of the cleaning frame (4), and a group of sliding holes (1033) are respectively opened at both ends of the fixed frame (103), and the sliding rods (402) at both side ends of the cleaning frame (4) are respectively slidably mounted on the sliding holes (1033) at both ends of the fixed frame (103).

7. A screw extruder according to claim 6, characterized in that: The top of the sliding rod (402) is fixedly connected with a second rack (4021), the top of the rotating rod (104) is also fixed with a first gear (1041), and the second rack (4021) at the top of the sliding rod (402) is meshed and transmission-connected with the first gear (1041) at the top of the rotating rod (104).