Double-screw extruder convenient for cavity cleaning
By designing disassembly components in twin-screw extruders, the troublesome problem of equipment disassembly and cleaning is solved, enabling more convenient operation and higher sealing.
Patent Information
- Application Number
- CN202421926208.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The existing twin-screw extruder is troublesome and time-consuming and labor-intensive when disassembling and cleaning, making it difficult to effectively remove internal residues.
A twin screw extruder including a disassembly assembly is designed, which includes a toothed plate, a fixing block, a sliding plate, a return spring, a pull plate and a first spring. Through the cooperation of these components, the housing can be easily removed and the interior can be cleaned.
Through the design of disassembly components, the disassembly and cleaning process of the equipment is significantly simplified, and the convenience of operation and the sealing of the equipment is improved.
Smart Images

Figure CN222779983U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of twin-screw extruders, in particular to a twin-screw extruder which is convenient for cavity clearing. Background Art
[0002] The twin screw extruder is the same as the single screw extruder. It is also divided into three sections: feeding section, compression section, and homogenization section. There are many types of twin screw extruders, which are mainly divided according to the rotation direction of the screw and the degree of meshing of the screw. Twin screw extruders are needed in the production process.
[0003] The patent document with the existing technical announcement number CN220946851U provides a twin-screw extruder that is convenient for cavity cleaning, including a device body, a stirring mechanism installed at the top of the feed bin, and a feeding mechanism installed on the inner wall of the feed bin. The utility model is provided with a stirring mechanism, the inner wall of the hopper is fixedly connected with the fixed rod, the motor is installed at the lower end of the fixed rod, and the outer wall of the stirring rod is closely fitted with the inner wall of the hopper. When the device is used, the stirring rod is driven by the motor to rotate and stir, so that the feed in the hopper is fully stirred and fused, and the feed port is prevented from being blocked, thereby increasing the convenience of the device; both ends of the device body are threadedly fixed by the limit rod, and the device body can be disassembled when the device needs to be cleaned, but when the device is disassembled, multiple bolts need to be rotated, which is troublesome, time-consuming and laborious during installation and disassembly. Therefore, the utility model proposes a twin-screw extruder that is convenient for cavity cleaning to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a twin-screw extruder which is convenient for cavity clearing, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a twin-screw extruder that is easy to clear the cavity, comprising a connecting leg, a supporting platform is fixedly installed on the upper end of the connecting leg, a slide groove is opened on the upper end of the supporting platform, a connecting block is slidably connected in the slide groove, a shell is fixedly connected to the upper end of the connecting block, a feed port is provided on the shell, and a disassembly component for disassembling the shell is provided on the shell, the disassembly component comprises a tooth plate, a fixed block, a sliding plate, a reset spring, a pull plate and a first spring, the first spring is arranged in the slide groove on the supporting platform, one end of the first spring is fixedly connected to the supporting platform, and the other end of the first spring is fixedly connected to the connecting block.
[0006] Preferably, a support plate is fixedly connected to the support platform, a fixing plate is fixedly connected to the support plate, and two spiral rods are rotatably connected to the fixing plate.
[0007] Preferably, one end of each of the two spiral rods is fixedly connected to a gear, one end of any one of the gears is connected to a motor, the motor is fixedly connected to the upper end of the support platform, and the two gears are meshed.
[0008] Preferably, there are two shells, the shell on the right side is provided with a sealing strip, the shell on the left side is provided with a sealing groove for the sealing strip to extend into, and the shell is provided with a sliding groove for the fixing plate to slide.
[0009] Preferably, the tooth plate and the fixed block are respectively fixedly connected to the upper ends of the two shells, the tooth plate slides through the fixed block, and a sliding plate is slidably connected inside the fixed block.
[0010] Preferably, a pull plate is fixedly connected to the upper end of the sliding plate, a return spring is connected between the pull plate and the fixed block, and a tooth groove for the sliding plate to be inserted into is formed on the tooth plate.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] By providing a disassembly component, the pull plate is pulled upward, and the pull plate drives the sliding plate to move out of the sliding groove on the tooth plate, thereby releasing the restriction of the sliding plate on the tooth plate. Under the elastic action of the first spring, the two shells are driven away from each other, thereby facilitating the cleaning of the inside of the extruder. With the cooperation of the sealing strip and the sealing groove, the sealing performance of the equipment is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the structure of the utility model after the shell is separated.
[0015] Figure 3 It is a partial structural schematic diagram of the utility model.
[0016] Figure 4 It is a schematic diagram of the disassembly component structure of the utility model.
[0017] In the figure: 1. connecting leg; 2. supporting platform; 3. motor; 4. gear; 5. fixing plate; 6. housing; 7. disassembly assembly; 8. feed inlet; 9. supporting plate; 10. screw rod; 11. sealing strip; 12. sealing groove; 71. tooth plate; 72. fixing block; 73. sliding plate; 74. reset spring; 75. pull plate; 76. first spring. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figures 1 to 4 The utility model provides a technical solution: a twin-screw extruder for easy cavity clearing, comprising a connecting leg 1, a supporting platform 2 is fixedly mounted on the upper end of the connecting leg 1, a slide groove is provided on the upper end of the supporting platform 2, a connecting block is slidably connected in the slide groove, a shell 6 is fixedly connected to the upper end of the connecting block, a feed port 8 is provided on the shell 6, a disassembly assembly 7 for disassembling the shell 6 is provided on the shell 6, the disassembly assembly 7 comprises a tooth plate 71, a fixed block 72, a sliding plate 73, a reset spring 74, a pull plate 75 and a first spring 76, the first spring 76 The first spring 76 is arranged in the slide groove on the support platform 2, one end of the first spring 76 is fixedly connected to the support platform 2, and the other end of the first spring 76 is fixedly connected to the connecting block. By providing a disassembly component 7, the pull plate 75 is pulled upward, and the pull plate 75 drives the sliding plate 73 to move out of the slide groove on the tooth plate 71, thereby releasing the restriction of the sliding plate 73 on the tooth plate 71. Under the elastic action of the first spring 76, the two shells 6 are driven away from each other, thereby facilitating the cleaning of the inside of the extruder. With the cooperation of the sealing strip 11 and the sealing groove 12, the sealing performance of the equipment is improved.
[0020] A support plate 9 is fixedly connected to the support platform 2, a fixing plate 5 is fixedly connected to the support plate 9, two screw rods 10 are rotatably connected to the fixing plate 5, one end of the two screw rods 10 are fixedly connected to a gear 4, one end of any one of the gears 4 is connected to a motor 3, the motor 3 is fixedly connected to the upper end of the support platform 2, the two gears 4 are meshed, there are two shells 6, a sealing strip 11 is provided on the shell 6 on the right side, a sealing groove 12 for the sealing strip 11 to extend into is provided on the shell 6 on the left side, and a sliding groove for the fixing plate 5 to slide is provided on the shell 6.
[0021] The tooth plate 71 and the fixed block 72 are respectively fixedly connected to the upper ends of the two shells 6, and the tooth plate 71 slides through the fixed block 72. A sliding plate 73 is slidably connected in the fixed block 72. A pull plate 75 is fixedly connected to the upper end of the sliding plate 73. A return spring 74 is connected between the pull plate 75 and the fixed block 72. A tooth groove for the sliding plate 73 to be inserted into is provided on the tooth plate 71. The pull plate 75 drives the sliding plate 73 to move out of the sliding groove on the tooth plate 71, releasing the restriction of the sliding plate 73 on the tooth plate 71. Under the elastic action of the first spring 76, the two shells 6 are driven away from each other, thereby facilitating the cleaning of the inside of the extruder.
[0022] The locking cam 73 is engaged with the locking cam 76 and the spring 76 is engaged with the locking cam 76, thereby locking the locking cam 76 in place and allowing the locking cam 76 to move out of the locking cam 76.
[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A twin-screw extruder for facilitating cavity clearing, comprising a connecting leg (1), characterized in that: A support platform (2) is fixedly mounted on the upper end of the connecting leg (1); a slide groove is provided on the upper end of the supporting platform (2); a connecting block is slidably connected in the slide groove; a shell (6) is fixedly connected to the upper end of the connecting block; a feed port (8) is provided on the shell (6); a disassembly component (7) for disassembling the shell (6) is provided on the shell (6); the disassembly component (7) comprises a tooth plate (71), a fixed block (72), a sliding plate (73), a return spring (74), a pull plate (75) and a first spring (76); the first spring (76) is arranged in the slide groove on the supporting platform (2); one end of the first spring (76) is fixedly connected to the supporting platform (2); and the other end of the first spring (76) is fixedly connected to the connecting block.
2. A twin-screw extruder for easy cavity clearing according to claim 1, characterized in that: A support plate (9) is fixedly connected to the support platform (2), a fixing plate (5) is fixedly connected to the support plate (9), and two screw rods (10) are rotatably connected to the fixing plate (5).
3. A twin-screw extruder for easy cavity clearing according to claim 2, characterized in that: One end of each of the two spiral rods (10) is fixedly connected to a gear (4), one end of any one of the gears (4) is connected to a motor (3), the motor (3) is fixedly connected to the upper end of the support platform (2), and the two gears (4) are meshed.
4. A twin-screw extruder for easy cavity clearing according to claim 3, characterized in that: There are two shells (6), the shell (6) located on the right side is provided with a sealing strip (11), the shell (6) located on the left side is provided with a sealing groove (12) for the sealing strip (11) to extend into, and the shell (6) is provided with a sliding groove for the fixing plate (5) to slide.
5. A twin-screw extruder for easy cavity clearing according to claim 4, characterized in that: The tooth plate (71) and the fixed block (72) are respectively fixedly connected to the upper ends of the two shells (6); the tooth plate (71) slides through the fixed block (72); and a sliding plate (73) is slidably connected inside the fixed block (72).
6. A twin-screw extruder for easy cavity clearing according to claim 5, characterized in that: A pull plate (75) is fixedly connected to the upper end of the sliding plate (73), a return spring (74) is connected between the pull plate (75) and the fixed block (72), and a tooth groove for the sliding plate (73) to be inserted into is formed on the tooth plate (71).
Citation Information
Patent Citations
A twin-screw extruder convenient for cavity cleaning
CN220946851U