CN215434910U - Cleaning device special for extruder screw - Google Patents
Cleaning device special for extruder screw Download PDFInfo
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- CN215434910U CN215434910U CN202120882443.3U CN202120882443U CN215434910U CN 215434910 U CN215434910 U CN 215434910U CN 202120882443 U CN202120882443 U CN 202120882443U CN 215434910 U CN215434910 U CN 215434910U
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Abstract
The utility model discloses a cleaning device special for an extruder screw, which comprises a screw stepping part, a heating temperature control part and a cleaning part, wherein the screw stepping part is arranged on the screw stepping part; the screw rod step-by-step part is including the left side mechanism and the right side mechanism that the symmetry set up, parallel arrangement's support frame I around left side mechanism and the right side mechanism all include a plurality of is located head and afterbody rotate between the support frame I and be connected with the rotation axis, the cover is equipped with a plurality of gyro wheel on the rotation axis, sets up threaded groove on the rim of each gyro wheel. The screw rod horizontal displacement cleaning device is simple in structure, the screw rod can be horizontally displaced through the screw rod stepping component and sequentially passes through the heating temperature control component and the cleaning component, the cleaning efficiency is high, the manual utilization rate is reduced, the cleaning effect is good, the problem that the screw rod is brittle and deformed in the heating process can be effectively solved, and the service life of the screw rod is prolonged.
Description
Technical Field
The utility model relates to the technical field of cleaning equipment, in particular to a cleaning device special for an extruder screw.
Background
The extruder is one of the common devices in the production industries of polymer alloy blending, PVC pipes, food, pharmacy and the like, and the extruder can fully plasticize and uniformly mix materials mainly by means of pressure and shearing force generated by rotation of a screw. In the production process, when materials are mixed in a screw extruder, viscous substances are easily left on the screw of the extruder, which results in the need of disassembling and cleaning the screw of the extruder when switching raw materials of different products.
The existing method mainly adopted for viscous substances on a screw of an extruder is as follows: after production is finished, when the viscous substance on the screw rod is not cooled and agglomerated, the screw rod is disassembled, the viscous substance is removed by using the cooperation of a screw rod cleaning agent and an iron brush, and the method has the limitation that: the high-quality screw rod cleaning agent is expensive, so that the production cost is increased, and the cleaning requirement is difficult to achieve through iron brush cleaning, so that the problem of residual black spots on the screw rod is caused.
The second method is as follows: after the screw rod is pulled out of the extruder, the residual viscous substance adhered to the screw rod is burnt out by using a spray gun, and then the screw rod is polished by matching an angle grinder with an iron brush or a copper brush, wherein the method has the limitation that: the spray gun directly spouts the screw rod and causes threaded element and dabber local overheat on the screw rod easily for the organizational structure fragility of threaded element risees, and the dabber produces deformation, shortens the life of screw rod or directly leads to the screw rod to scrap, and relatively expends the manpower, has the problem that cleaning efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a cleaning device special for a screw of an extruder so as to solve the problems of high cleaning cost, reduced service life of the screw and low cleaning efficiency of the conventional screw cleaning.
The purpose of the utility model is realized by the following technical scheme:
a cleaning device special for a screw of an extruder comprises a screw stepping part, a heating temperature control part and a cleaning part.
The screw stepping component comprises a left mechanism and a right mechanism which are symmetrically arranged, the left mechanism and the right mechanism respectively comprise a plurality of support frames I which are arranged in parallel front and back, a rotating shaft is rotatably connected between the support frames I positioned at the head part and the tail part, a plurality of rollers are sleeved on the rotating shaft, a threaded groove is formed in the rim of each roller along a circle of the circumference, and a clamping space of a screw to be cleaned is formed between the rollers of the left mechanism and the right mechanism; one end of the rotating shaft is provided with a stepping motor.
The heating temperature control part comprises a supporting seat, a hollow sleeve arranged on the supporting seat and a temperature sensing probe arranged at the top of the hollow sleeve, a heater is arranged in the hollow sleeve, a heating space for the screw to be cleaned is formed in the hollow sleeve, and the front end and the rear end of the hollow sleeve are inlets and outlets of the screw.
The cleaning part comprises a support frame II, a cleaning brush arranged on the support frame II and a motor for driving the cleaning brush to rotate, and the cleaning part is positioned on the screw rod outlet side of the heating space.
The output shaft of the stepping motor is rigidly connected with the rotating shaft, and the stepping motors arranged in the left side mechanism and the right side mechanism rotate in the same direction.
The rotating direction of each thread groove is the same as that of the screw to be cleaned.
The heating temperature control components are arranged between any two adjacent support frames I which are arranged in parallel front and back.
The heating temperature control component further comprises a controller, wherein the input end of the controller is connected with the output end of the temperature sensing probe, and the output end of the controller is electrically connected with the switch of the heater.
The heater is an electromagnetic induction eddy current heater.
The cleaning brush is a copper brush.
The cleaning device comprises a first cleaning component, a second cleaning component and a cleaning component, wherein the number of the cleaning components is two, the cleaning components are symmetrically arranged left and right, and copper brushes in the first cleaning component and the second cleaning component are in contact with the surface of a screw to be cleaned.
The roller is made of polytetrafluoroethylene.
The number of the rollers is the same as that of the support frames I, and the rollers correspond to the support frames I one by one.
The utility model has the beneficial effects that:
the screw rod cleaning device is simple in structure, the screw rod can horizontally move through the screw rod stepping component and sequentially passes through the heating temperature control component and the cleaning component, the cleaning efficiency is high, the manual utilization rate is reduced, the heating temperature control component can soften viscous substances on the surface of the screw rod, the copper brush can easily remove the viscous substances attached to the screw rod, the cleaning effect is good, the temperature sensing probe is further arranged, the temperature on the surface of the screw rod can be detected, the heater is controlled to be turned on and turned off in time, the problem that the screw rod is brittle and deformed in the heating process can be effectively solved, and the service life of the screw rod is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the screw stepping assembly of the present invention;
FIG. 3 is a schematic structural diagram of a heating temperature control unit according to the present invention;
FIG. 4 is a schematic view of the structure of the cleaning member of the present invention;
in the figure, 1-a support frame I, 2-a rotating shaft, 3-a roller, 4-a support seat, 5-a hollow sleeve, 6-a temperature sensing probe, 7-a support frame II, 8-a cleaning brush and 9-a motor.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in figures 1-4, a cleaning device special for an extruder screw consists of a support frame I1, a rotating shaft 2, a roller 3, a support seat 4, a hollow sleeve 5, a temperature sensing probe 6, a support frame II 7, a cleaning brush 8 and a motor 9.
The connection mode of the cleaning device special for the screw of the extruder is as follows:
a cleaning device special for a screw of an extruder comprises a screw stepping part, a heating temperature control part and a cleaning part.
The screw stepping component comprises a left mechanism and a right mechanism which are symmetrically arranged, the left mechanism and the right mechanism respectively comprise a plurality of support frames I1 which are arranged in parallel front and back, a rotating shaft 2 is rotatably connected between the support frames I1 positioned at the head part and the tail part, a plurality of rollers 3 are sleeved on the rotating shaft 2, a threaded groove is formed in the rim of each roller 3 along one circle of the circumference, and a clamping space of a screw to be cleaned is formed between the rollers 3 of the left mechanism and the right mechanism; one end of the rotating shaft 2 is provided with a stepping motor.
The heating temperature control part comprises a supporting seat 4, a hollow sleeve 5 arranged on the supporting seat 4 and a temperature sensing probe 6 arranged at the top of the hollow sleeve 5, a heater is arranged in the hollow sleeve 5, a heating space for a screw to be cleaned is formed in the hollow sleeve 5, and the front end and the rear end of the hollow sleeve 5 are inlets and outlets of the screw.
The cleaning part comprises a support frame II 7, a cleaning brush 8 arranged on the support frame II 7 and a motor 9 for driving the cleaning brush to rotate, and the cleaning part is positioned on the outlet side of the screw rod of the heating space.
The output shaft of the stepping motor is rigidly connected with the rotating shaft 2, and the stepping motors arranged in the left side mechanism and the right side mechanism rotate in the same direction.
The rotating direction of each thread groove is the same as that of the screw to be cleaned.
The heating temperature control components are arranged between any two adjacent supporting frames I1 which are arranged in parallel front and back.
The heating temperature control component further comprises a controller, wherein the input end of the controller is connected with the output end of the temperature sensing probe 6, and the output end of the controller is electrically connected with the switch of the heater.
The heater is an electromagnetic induction eddy current heater.
The cleaning brush 8 is a copper brush.
The cleaning device comprises a first cleaning component, a second cleaning component and a cleaning component, wherein the number of the cleaning components is two, the cleaning components are symmetrically arranged left and right, and copper brushes in the first cleaning component and the second cleaning component are in contact with the surface of a screw to be cleaned.
The roller 3 is made of polytetrafluoroethylene.
The quantity of gyro wheel 3 is the same and the one-to-one with the quantity of support frame I1.
It should be noted that the electromagnetic induction eddy current heater in this scheme adopts the electromagnetic induction eddy current heater commonly used, installs the pivot on the cleaning brush 8 in the cleaning unit, and the pivot is connected for rotating with support frame II 7, and the one end cover of pivot is equipped with the band pulley, passes through the belt between motor 9 and the band pulley and is connected.
The stepping motor in the screw stepping component and the rotating shaft can be connected through a coupling, can be rigidly connected in a welding mode, and can also be in a belt transmission and chain transmission mode. The stepping motor drives the rotating shaft to rotate, so that the roller is driven to rotate, the screw to be cleaned is clamped between the rollers of the left mechanism and the right mechanism, and the advancing speed of the screw in the left mechanism and the right mechanism can be adjusted by adjusting the stepping pulse frequency of the stepping motor.
The temperature sensing probe detects the surface temperature of the screw rod during heating, so that an electric signal is transmitted to the controller, a temperature threshold value is preset in the controller, and after the temperature threshold value is exceeded, the output end of the controller controls the on-off of the heater, so that the screw rod is effectively prevented from becoming brittle and deforming due to overhigh surface temperature.
The rim on gyro wheel 3 has seted up threaded groove along the circumferencial direction of rim, and threaded groove's the soon to with wait to wash the screw rod soon to the same, and the step motor rotation direction in left side mechanism and the right side mechanism is the same, and the screw-thread fit on threaded groove and the screw rod is under step motor's drive, waits to wash the screw rod and gets into from the one end of this device, produces horizontal displacement to loop through heating temperature control part and cleaning element.
The working method of the cleaning device special for the screw of the extruder comprises the following steps:
the screw rod to be cleaned is placed in a clamping space formed by the rollers of the left side mechanism and the right side mechanism, the rollers on the left side and the right side generate a clamping force on the screw rod, the stepping motor is started, corresponding stepping pulse frequency is set, the rollers 3 on the left side mechanism and the right side mechanism start to rotate under the drive of the rotating shaft 2, and the driving screw rod enters from the tail end of the device and exits from the front end due to the fact that the rotating directions of the stepping motors in the left side mechanism and the right side mechanism are the same, and a thread groove in the roller 3 is matched with threads on the screw rod.
The screw rod is in step-by-step in-process, loop through heating temperature control part and cleaning element, before the screw rod is step-by-step to begin, set up the output of electromagnetic induction eddy current heater, temperature inductive probe 6 real-time supervision screw rod surface's temperature to transmit the signal of telecommunication for the controller, predetermine the temperature threshold in the controller, after surpassing the temperature threshold, the switch of heater is switched on and off to the output control of controller.
After the temperature control component is heated, the screw rod enters the cleaning component, the copper brush in the cleaning component is driven by the motor, the output frequency of the motor is set to determine the rotating speed of the copper brush, the viscous substance which is heated by the heater and attached to the surface of the screw rod begins to loosen or soften, and the viscous substance on the surface of the screw rod can be effectively removed by washing the viscous substance by the copper brush.
The screw rod cleaning device is simple in structure, the screw rod can horizontally move through the screw rod stepping component and sequentially passes through the heating temperature control component and the cleaning component, the cleaning efficiency is high, the manual utilization rate is reduced, the heating temperature control component can soften viscous substances on the surface of the screw rod, the copper brush can easily remove the viscous substances attached to the screw rod, the cleaning effect is good, the temperature sensing probe is further arranged, the temperature on the surface of the screw rod can be detected, the heater is controlled to be turned on and turned off in time, the problem that the screw rod is brittle and deformed in the heating process can be effectively solved, and the service life of the screw rod is prolonged.
Claims (10)
1. The utility model provides a cleaning device of extruder screw rod which characterized in that: comprises a screw stepping component, a heating temperature control component and a cleaning component;
the screw stepping component comprises a left mechanism and a right mechanism which are symmetrically arranged, the left mechanism and the right mechanism respectively comprise a plurality of support frames I (1) which are arranged in parallel front and back, a rotating shaft (2) is rotatably connected between the support frames I (1) positioned at the head part and the tail part, a plurality of rollers (3) are sleeved on the rotating shaft (2), a threaded groove is formed in the rim of each roller (3) along one circle of the circumference, and a clamping space of a screw to be cleaned is formed between the rollers (3) of the left mechanism and the right mechanism; one end of the rotating shaft (2) is provided with a stepping motor;
the heating temperature control component comprises a supporting seat (4), a hollow sleeve (5) arranged on the supporting seat (4) and a temperature sensing probe (6) arranged at the top of the hollow sleeve (5), a heater is arranged in the hollow sleeve (5), a heating space for a screw to be cleaned is formed in the hollow sleeve (5), and the front end and the rear end of the hollow sleeve (5) are inlets and outlets of the screw;
the cleaning part comprises a support frame II (7), a cleaning brush (8) arranged on the support frame II (7) and a motor (9) for driving the cleaning brush to rotate, and the cleaning part is positioned on the outlet side of the screw rod of the heating space.
2. A cleaning device for extruder screws according to claim 1, characterized in that: the output shaft of the stepping motor is rigidly connected with the rotating shaft (2), and the stepping motors arranged in the left side mechanism and the right side mechanism rotate in the same direction.
3. A cleaning device for extruder screws according to claim 1, characterized in that: the rotating direction of each thread groove is the same as that of the screw to be cleaned.
4. A cleaning device for extruder screws according to claim 1, characterized in that: the heating temperature control components are arranged between any two adjacent support frames I (1) which are arranged in parallel front and back.
5. A cleaning device for extruder screws according to claim 1, characterized in that: the heating temperature control component further comprises a controller, the input end of the controller is connected with the output end of the temperature sensing probe (6), and the output end of the controller is electrically connected with the switch of the heater.
6. A cleaning device for extruder screws according to claim 1, characterized in that: the heater is an electromagnetic induction eddy current heater.
7. A cleaning device for extruder screws according to claim 1, characterized in that: the cleaning brush (8) is a copper brush.
8. A cleaning device special for the screw of an extruder according to claim 7, characterized in that: the cleaning device comprises a first cleaning component, a second cleaning component and a cleaning component, wherein the number of the cleaning components is two, the cleaning components are symmetrically arranged left and right, and copper brushes in the first cleaning component and the second cleaning component are in contact with the surface of a screw to be cleaned.
9. A cleaning device for extruder screws according to claim 1, characterized in that: the roller (3) is made of polytetrafluoroethylene.
10. A cleaning device for extruder screws according to claim 1, characterized in that: the quantity of gyro wheel (3) is the same and one-to-one with the quantity of support frame I (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882443.3U CN215434910U (en) | 2021-04-27 | 2021-04-27 | Cleaning device special for extruder screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120882443.3U CN215434910U (en) | 2021-04-27 | 2021-04-27 | Cleaning device special for extruder screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215434910U true CN215434910U (en) | 2022-01-07 |
Family
ID=79705763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120882443.3U Active CN215434910U (en) | 2021-04-27 | 2021-04-27 | Cleaning device special for extruder screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215434910U (en) |
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2021
- 2021-04-27 CN CN202120882443.3U patent/CN215434910U/en active Active
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