Auxiliary cleaning device and extruder

Abstract

The utility model relates to the technical field of extruders, and discloses an auxiliary cleaning device and an extruder, the auxiliary cleaning device comprises a mounting plate, a driving structure and a heating mechanism, the mounting plate is provided with a plurality of supporting pieces, the supporting pieces are used for supporting the extruder so that a heating gap can be formed between the mounting plate and the extruder, and the mounting plate is provided with at least one sliding groove; the sliding groove is formed in the length direction of the mounting plate, and a sliding block is arranged in the sliding groove; the driving mechanism is installed on the installation plate and drives the sliding block to slide along the sliding groove through a transmission assembly. The heating mechanism is connected with the sliding block and located in the heating gap. The heating mechanism is provided with a hot air volatilization hole corresponding to the extruder. According to the auxiliary cleaning device and the extruder, the problems that the interior of the extruder is blocked, and the cleaning effect is poor are solved or improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of extruders, in particular to an auxiliary cleaning device and an extruder. BACKGROUND

[0002] The working principle of the extruder is to extrude and melt plastic particles through a rotating mixing stirrer and output. The rotation of the mixing stirrer generates pressure, causing the plastic particles to rub against the inner wall of the cylinder, thereby melting the plastic particles. At the same time, through special design of the mixing stirrer, plastic mixing, plasticizing, extrusion and other operations can be realized.

[0003] After long-term use of the extruder, plastic residues are cooled and adhered to the inner wall of the cylinder, causing blockage and affecting subsequent production, so the equipment needs to be cleaned. In the related art, the cleaning device can only clean the outside of the extruder, and cannot clean the inside of the equipment. If the inside of the equipment is to be cleaned, the cleaning water is generally delivered to the cylinder, and the mixing stirrer of the extruder is rotated for self-cleaning, but the cleaning effect is poor, or the equipment is disassembled for internal cleaning, but the efficiency is low. CONTENT OF THE INVENTION

[0004] Therefore, the present application provides an auxiliary cleaning device and an extruder to solve or improve the problem of blockage inside the extruder and poor cleaning effect.

[0005] In a first aspect, the present application provides an auxiliary cleaning device, comprising:

[0006] A mounting plate is provided with a plurality of support members for supporting the extruder to form a heating gap between the mounting plate and the extruder. At least one sliding groove is formed on the mounting plate, and the sliding groove is arranged along the length direction of the mounting plate. A sliding block is arranged in the sliding groove.

[0007] A driving mechanism is mounted on the mounting plate, and the driving mechanism drives the sliding block to slide along the sliding groove through a transmission assembly.

[0008] A heating mechanism is connected with the sliding block and located in the heating gap. The heating mechanism is provided with hot gas volatilization holes corresponding to the extruder.

[0009] Beneficial effects: The extruder is mounted on the plurality of support members, and the plurality of support members form a heating gap between the bottom of the extruder and the mounting plate. The heating mechanism is mounted on the sliding block and located in the heating gap. The heating mechanism is provided with a plurality of hot gas volatilization holes corresponding to the bottom of the extruder, which can heat the extruder. The driving mechanism drives the sliding block to move through the transmission assembly. The sliding block delivers the heating mechanism to a suitable position corresponding to the position where the plastic inside the extruder is cooled and solidified, heats the plastic to melt and soften, and then cleans the inside through the stirring of the extruder itself.

[0010] In an alternative embodiment, the transmission assembly comprises:

[0011] The mounting seat is mounted on the mounting plate.

[0012] The screw rod is arranged in the sliding groove and rotationally connected to the mounting seat, one end of the screw rod is in transmission connection with the output end of the driving mechanism, the sliding block is provided with a threaded hole corresponding to the screw rod, and the threaded hole is in threaded connection with the screw rod.

[0013] In an alternative embodiment, the transmission assembly further comprises:

[0014] The first sprocket is mounted on the screw rod.

[0015] The second sprocket is mounted on the output end of the driving mechanism.

[0016] The chain is in transmission connection with the first sprocket and the second sprocket.

[0017] In an alternative embodiment, the sliding groove is provided with two, the two sliding grooves are arranged in parallel, the sliding block is provided with two and is respectively in sliding connection in the two sliding grooves, the screw rod is provided with two and is respectively in threaded connection with the threaded holes of the two sliding blocks, the first sprocket is provided with two and is respectively connected with the two screw rods, and the second sprocket is in transmission connection with the two first sprockets through the chain.

[0018] In an alternative embodiment, the transmission assembly further comprises a bearing, the outer ring of the bearing is mounted on the mounting seat, and the inner ring of the bearing is connected with the screw rod.

[0019] In an alternative embodiment, the heating mechanism comprises:

[0020] The box body is connected with the sliding block.

[0021] The heating element is mounted in the box body, and the box body is provided with a plurality of hot gas volatilization holes on the side corresponding to the extruder.

[0022] In an alternative embodiment, the sidewall of the box body is provided with a heat dissipation hole.

[0023] In a second aspect, the application further provides an extruder, comprising: a cavity, a stirring rod, a gear box, a stirring motor and an auxiliary cleaning device, the cavity is mounted on a plurality of supporting members, the cavity is provided with a feeding port, the stirring rod is rotationally connected to the inner wall of the cavity, the gear box is mounted on the cavity, the stirring rod is in transmission connection with the gear box, and the stirring motor is mounted on the mounting plate and its output shaft is in transmission connection with the gear box.

[0024] In an alternative embodiment, two cooling mechanisms are further included, the two cooling mechanisms are mounted on the mounting plate and located on both sides of the cavity, and are used for cooling the inside of the cavity.

[0025] In an alternative embodiment, the cooling mechanism comprises:

[0026] The cooling box is installed on the mounting plate, and the cooling box is provided with air holes corresponding to one side of the cavity;

[0027] The cold water pipe is arranged in the cooling box, and the water inlet end and the water outlet end of the cold water pipe both pass through the cooling box. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0029] Figure 1 A structural schematic view of an auxiliary cleaning device according to an embodiment of the present application;

[0030] Figure 2 A structural schematic view of a heating mechanism and a sliding block in an auxiliary cleaning device according to an embodiment of the present application;

[0031] Figure 3 A top view of a mounting plate, a sliding block, a driving mechanism and a transmission assembly in an auxiliary cleaning device according to an embodiment of the present application;

[0032] Figure 4 A structural schematic view of an extruder according to an embodiment of the present application;

[0033] Figure 5 A structural schematic view of a cooling mechanism in an extruder according to an embodiment of the present application.

[0034] Explanation of reference signs:

[0035] 1, auxiliary cleaning device; 101, mounting plate; 102, support; 103, sliding groove; 104, sliding block; 1041, threaded hole; 105, driving mechanism; 106, transmission assembly; 1061, mounting seat; 1062, screw rod; 1063, first sprocket; 1064, second sprocket; 1065, chain; 107, heating mechanism; 1071, hot gas volatilization hole; 1072, box body; 1073, heating element; 1074, heat dissipation hole; 1075, exhaust fan; 108, heating gap; 109, plate body; 2, cavity; 3, gear box; 4, stirring motor; 5, cooling mechanism; 501, air hole; 6, support block; 7, feeding hopper; 8, support table. DETAILED DESCRIPTION

[0036] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0037] The embodiments of the present application are described below with reference to the drawings. Figures 1 to 5 , descriptions of the embodiments of the present application.

[0038] According to the embodiments of the present application, in one aspect, an auxiliary cleaning device is provided, comprising: a mounting plate 101, a driving mechanism 105 and a heating mechanism 107.

[0039] Specifically, as shown in Figures 1 to 3 , the mounting plate 101 is provided with a plurality of support pieces 102 for supporting the extruder so as to form a heating gap 108 between the mounting plate 101 and the extruder. At least one sliding groove 103 is formed on the mounting plate 101, the sliding groove 103 is arranged along the length direction of the mounting plate 101, and a sliding block 104 is arranged in the sliding groove 103. The driving mechanism 105 is installed on the mounting plate 101, and the driving mechanism 105 drives the sliding block 104 to slide along the sliding groove 103 through a transmission assembly 106. The heating mechanism 107 is connected with the sliding block 104 and located in the heating gap 108. The heating mechanism 107 is provided with hot gas volatilization holes 1071 corresponding to the extruder.

[0040] The extruder is installed on the plurality of support pieces 102, so that the bottom of the extruder and the mounting plate 101 form a heating gap 108. The heating mechanism 107 is installed on the sliding block 104 and located in the heating gap 108. The heating mechanism 107 is provided with a plurality of hot gas volatilization holes 1071 corresponding to the bottom of the extruder, which can heat the extruder. The driving mechanism 105 drives the sliding block 104 to move through the transmission assembly 106. The sliding block 104 delivers the heating mechanism 107 to a suitable position corresponding to the position where the plastic inside the extruder is cooled and solidified, heats the plastic, melts and softens it, and then cleans the inside through the stirring of the extruder itself.

[0041] In one specific embodiment, as shown in Figure 4 , the support piece 102 is a protrusion for supporting the extruder so as to be away from the mounting plate 101 and form a heating gap 108 between the mounting plate 101 and the extruder.

[0042] Further, as shown in Figure 1 , the sliding block 104 is connected with a plate body 109, and the heating mechanism 107 is installed on the plate body 109, which increases the force receiving area and improves the stability of the heating mechanism 107.

[0043] In one embodiment, as shown in Figure 3 The transmission assembly 106 includes a mounting seat 1061 mounted on the mounting plate 101 and a screw rod 1062 arranged in the sliding groove 103 and rotationally connected to the mounting seat 1061. One end of the screw rod 1062 is in transmission connection with the output end of the driving mechanism 105, and the sliding block 104 is provided with a threaded hole 1041 corresponding to the screw rod 1062, which is in threaded connection with the screw rod 1062.

[0044] The driving mechanism 105 drives the screw rod 1062 to rotate, which is in threaded connection with the threaded hole 1041 provided on the sliding block 104. The driving mechanism 105 drives the screw rod 1062 to rotate, which drives the sliding block 104 to slide along the sliding groove 103, thereby driving the heating mechanism 107 to move and correspond to different positions of the extruder for heating the position of the solidified plastic, thereby improving the cleaning efficiency.

[0045] Further, the driving mechanism 105 is a servo motor, which can improve the rotation speed and rotation angle of the screw rod 1062, thereby improving the precision of the movement amount of the sliding block 104 and the precision of the heating position.

[0046] In one embodiment, as shown in Figure 3 The transmission assembly 106 further includes a first sprocket 1063, a second sprocket 1064 and a chain 1065. The first sprocket 1063 is mounted on the screw rod 1062, the second sprocket 1064 is mounted on the output end of the driving mechanism 105, and the chain 1065 is in transmission connection with the first sprocket 1063 and the second sprocket 1064.

[0047] The chain 1065 is in power transmission with the first sprocket 1063 and the second sprocket 1064, which has more stable transmission effect and high transmission precision, and is convenient to install and disassemble and maintain.

[0048] In another specific embodiment, the transmission can also be achieved by a belt pulley and a belt.

[0049] In one embodiment, as shown in Figure 3As shown, the chute 103 is provided with two, two parallel arrangement, the slider 104 is provided with two, and is respectively connected in two sliding grooves 103, the screw rod 1062 is provided with two, and respectively with two slider 104's thread hole 1041 screw joint, the first sprocket 1063 is provided with two, and respectively with two screw rod 1062 is connected, the second sprocket 1064 is driven by chain 1065 and two first sprocket 1063 transmission connection. Setting two sliding grooves 103, and two screw rods 1062 respectively drive two sliders 104 synchronous movement, improve the stability of heating mechanism 107 movement.

[0050] Need to be further explained, a second sprocket 1064 through chain 1065 drive two first sprocket 1063 synchronous rotation, two screw rod 1062 the same direction of rotation, while driving two sliders 104 movement.

[0051] Need to be further explained, the plate body 109 is installed on two sliders 104.

[0052] In an embodiment, the transmission assembly 106 further comprises a bearing, the outer ring of the bearing is installed on the mounting seat 1061, and the inner ring of the bearing is connected with the screw rod 1062. The screw rod 1062 is rotatably connected to the mounting seat 1061 through the bearing, and the rotation effect is better, and the bearing has the effect of orientation.

[0053] Further explanation is that the mounting seat 1061 is provided with a mounting hole, and the outer ring of the bearing is fixed to the inner wall of the mounting hole, so as to facilitate the fixation of the bearing.

[0054] In an embodiment, as shown, Figure 2 The heating mechanism 107 comprises: a box body 1072 and a heating element 1073, the box body 1072 is connected with the slider 104; the heating element 1073 is installed in the box body 1072, and a plurality of hot gas volatilization holes 1071 are formed in the side of the box body 1072 corresponding to the extruder. The heating element 1073 generates heat, generates heat, heats the air in the box body 1072, and the hot air overflows from the hot gas volatilization hole 1071 to heat the outer wall of the extruder, softens the plastic solidified in the extruder, and facilitates subsequent cleaning.

[0055] Need to be further explained, the heating element 1073 can adopt heating wire.

[0056] In a specific embodiment, the box body 1072 can contain water, and the heating wire heats the water to generate steam, which overflows from the hot gas volatilization hole 1071 to heat the outer wall of the extruder and soften the plastic solidified in the extruder.

[0057] In an embodiment, as shown, Figure 2As shown, the side wall of the box 1072 is provided with a heat dissipation hole 1074, and the inner wall of the heat dissipation hole 1074 is provided with an exhaust fan 1075. When the plastic in the extruder softens, the heating element 1073 stops heating, and at the same time the exhaust fan 1075 is started to guide the hot air in the box 1072 out, so as to cool it as soon as possible and prevent it from being damaged due to long-term high temperature.

[0058] It should be further explained that the exhaust fan 1075 is provided with two, and the opposite sides of the box 1072 are provided with heat dissipation holes 1074, and the two exhaust fans 1075 are respectively installed in the two heat dissipation holes 1074.

[0059] According to the embodiment of the present application, in another aspect, an extruder is also provided, comprising: a cavity 2, a stirring rod, a gear box 3, a stirring motor 4 and an auxiliary cleaning device 1, the cavity 2 is installed on a plurality of supporting members 102, the cavity 2 is provided with a feeding port, the stirring rod is rotatably connected to the inner wall of the cavity 2, the gear box 3 is installed on the cavity 2, the stirring rod is in transmission connection with the gear box 3, and the stirring motor 4 is installed on the mounting plate 101 and its output shaft is in transmission connection with the gear box 3.

[0060] It should be further explained that the gear box 3 is provided with a power input end and a power output end, the cavity 2 is provided with a communication hole, and the power output end penetrates through the communication hole and is in transmission connection with the stirring rod.

[0061] As shown in the figure, Figure 4 The output shaft of the stirring motor 4 is in transmission connection with the power input end of the gear box 3, the power output end of the gear box 3 is in transmission connection with the stirring rod, and the stirring rod stirs the various plastic particles in the cavity 2 to form a mixture in a molten state. When the extruder stops, the temperature in the cavity 2 decreases, and the residual plastic will solidify and adhere to the inner wall of the cavity 2 or the stirring rod. The heating mechanism 107 heats the position of the residual solidified plastic, softens the plastic, and then injects the cleaning liquid into the cavity 2 from the feeding port, and the stirring rod rotates to clean the residual plastic inside.

[0062] It should be further explained that the chute 103 is arranged along the axial direction of the stirring rod.

[0063] In one specific embodiment, it further comprises a support table 8, the support table 8 is fixed on the mounting plate 101, the gear box 3 is fixed on the support table 8, and the support table 8 is used to increase the height of the gear box 3 so that it is located above the heating gap 108, which is convenient for corresponding connection with the cavity 2.

[0064] It should be further explained that the feeding port is provided with a feeding funnel 7.

[0065] Further, the stirring rods are arranged in two, and the two stirring rods are rotationally connected in the cavity 2 and drivingly connected with the gear box 3, and the two stirring rods rotate towards each other, improving the stirring and mixing effect on the plastic.

[0066] In one embodiment, as shown in Figures 4 to 5 two cooling mechanisms 5 are further included, and the two cooling mechanisms 5 are installed on the mounting plate 101 and located at two sides of the cavity 2, for cooling the inside of the cavity 2. The temperature inside the extruder is high when working, facilitating the melting of the plastic, and the cooling mechanism 5 cools the outer wall of the cavity 2, preventing the high temperature inside the cavity 2 from being transmitted to the outside, ensuring the use safety of the equipment and preventing the high temperature from damaging other equipment outside the cavity 2.

[0067] In one embodiment, the cooling mechanism 5 includes a cooling box and a cold water pipe, the cooling box is installed on the mounting plate 101, and the cooling box is provided with a ventilation hole 501 corresponding to one side of the cavity 2; and the cold water pipe is surrounded in the cooling box, and the water inlet end and the water outlet end of the cold water pipe are both penetrated out of the cooling box.

[0068] In one specific embodiment, the bottom of the cooling box is provided with a supporting block 6, the supporting block 6 is connected to the mounting plate 101, improving the height of the cooling box and making the cooling box correspond to the cavity 2.

[0069] Among them, the cooling mechanism 5 can select a vapor compression type cooler or an absorption type refrigerator.

[0070] It needs to be further explained that the heating wire, the servo motor, the stirring motor 4 and the refrigeration part are all controlled by the PLC controller.

[0071] Next, an embodiment is taken to combine Figures 1 to 5 to comprehensively describe all the above solutions.

[0072] When the inner cavity of the cavity 2 is blocked by the solidified plastic or the inner wall of the cavity 2 is adhered with a large amount of plastic residues, the PLC controller controls the servo motor to drive the second sprocket 1064 to rotate, the second sprocket 1064 drives the two first sprockets 1063 to rotate through the chain 1065, the two first sprockets 1063 drive the two screws 1062 to rotate, and then the two screws 1062 drive the two sliding blocks 104 to move along the sliding grooves 103, when the sliding blocks 104 deliver the heating mechanism 107 to the appropriate position of the cavity 2, the PLC controller controls the heating wire to heat, the hot air in the box 1072 is output from the hot gas volatilization hole 1071 to heat the cavity 2 at this position, so that the internal plastic residues adhered due to cooling and hardening are heated and melted, then the cleaning liquid is poured from the feeding port, and then the stirring motor 4 is started to clean the inside by using the two stirring rods, the cleaning liquid and the plastic residues are discharged outward, the inner cavity of the cavity 2 is cleaned, the extruder does not need to be disassembled, when the temperature in the cavity 2 is too high, cold water is input into the cold water pipe, the cold air emitted from the cold water pipe is output from the air hole 501 to cool the cavity 2, and the use safety of the device is ensured.

[0073] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. An auxiliary cleaning device, characterized in that, The utility model relates to an extruder heating device, including: Mounting plate (101) is provided with a plurality of support (102), a plurality of support (102) are used for supporting extruder to make the mounting plate (101) with extruder form heating gap (108), at least one chute (103) is opened on the mounting plate (101), the chute (103) is arranged along the length direction of mounting plate (101), and the sliding block (104) is arranged in the chute (103); Driving mechanism (105) is installed on the mounting plate (101), and the driving mechanism (105) drives the sliding block (104) to slide along the chute (103) through transmission assembly (106); Heating mechanism (107) is connected with the sliding block (104) and is located in the heating gap (108), and the heating mechanism (107) is opened with hot gas volatilization hole (1071) corresponding the extruder.

2. The auxiliary cleaning device of claim 1, wherein, The transmission assembly (106) includes: Mounting seat (1061) is installed on the mounting plate (101); Screw rod (1062) is arranged in the chute (103) and is rotatably connected on the mounting seat (1061), one end of the screw rod (1062) is in transmission with the output end of the driving mechanism (105), and the sliding block (104) is opened with threaded hole (1041) corresponding the screw rod (1062), and the threaded hole (1041) is in threaded connection with the screw rod (1062).

3. The auxiliary cleaning device of claim 2, wherein, The transmission assembly (106) further includes: First sprocket (1063) is installed on the screw rod (1062); Second sprocket (1064) is installed on the output end of the driving mechanism (105); Chain (1065) is in transmission with the first sprocket (1063) and the second sprocket (1064).

4. The auxiliary cleaning device of claim 3, wherein, The chute (103) is provided with two, two chute (103) parallel arrangement, the sliding block (104) is provided with two, and is slidably connected in two chute (103), the screw rod (1062) is provided with two, and is respectively with the threaded hole (1041) of two sliding block (104) screw joint, the first sprocket (1063) is provided with two, and is respectively connected with two screw rod (1062), and the second sprocket (1064) is in transmission with two first sprocket (1063) through chain (1065).

5. The auxiliary cleaning device according to any one of claims 2 to 4, characterized in that The transmission assembly (106) further includes a bearing, the outer ring of the bearing is installed on the mounting seat (1061), and the inner ring of the bearing is connected with the screw rod (1062).

6. The auxiliary cleaning device according to any one of claims 2 to 4, characterized in that The heating mechanism (107) includes: Box (1072) is connected with the sliding block (104); Heating piece (1073) is installed in the box (1072), and a plurality of hot gas volatilization holes (1071) are opened on the side of the box (1072) corresponding the extruder.

7. The auxiliary cleaning device of claim 6, wherein, The side wall of the box (1072) is opened with a heat dissipation hole (1074).

8. An extruder characterized by, The utility model relates to an extruder heating device, including: The cavity (2), the stirring rod, the gear box (3), the stirring motor (4) and the auxiliary cleaning device (1) of any one of claims 1 to 7 are installed on a plurality of the support members (102), a feeding port is formed on the cavity (2), the stirring rod is rotatably connected to the inner wall of the cavity (2), the gear box (3) is installed on the cavity (2), the stirring rod is in transmission connection with the gear box (3), and the stirring motor (4) is installed on the mounting plate (101) and its output shaft is in transmission connection with the gear box (3).

9. The extruder of claim 8, wherein, Two cooling mechanisms (5) are further included, the two cooling mechanisms (5) are installed on the mounting plate (101) and located on both sides of the cavity (2) for cooling the inside of the cavity (2).

10. The extruder of claim 9, wherein The cooling mechanism (5) comprises: A cooling box is installed on the mounting plate (101), and air holes (501) are formed on the side of the cooling box corresponding to the cavity (2); A cold water pipe is surrounded in the cooling box, and the water inlet end and the water outlet end of the cold water pipe both pass through the cooling box.

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