CN114425880B - Spiral shell section of thick bamboo inner wall clean structure with dual cleaning effect - Google Patents
Spiral shell section of thick bamboo inner wall clean structure with dual cleaning effect Download PDFInfo
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- CN114425880B CN114425880B CN202210055249.7A CN202210055249A CN114425880B CN 114425880 B CN114425880 B CN 114425880B CN 202210055249 A CN202210055249 A CN 202210055249A CN 114425880 B CN114425880 B CN 114425880B
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- scraping
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- 238000004140 cleaning Methods 0.000 title claims abstract description 126
- 230000000694 effects Effects 0.000 title claims abstract description 36
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 9
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 9
- 241001330002 Bambuseae Species 0.000 title claims abstract description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 9
- 239000011425 bamboo Substances 0.000 title claims abstract description 9
- 230000009977 dual effect Effects 0.000 title claims abstract description 7
- 238000007790 scraping Methods 0.000 claims abstract description 59
- 230000008602 contraction Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000006748 scratching Methods 0.000 description 3
- 230000002393 scratching effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/22—Extrusion presses; Dies therefor
- B30B11/24—Extrusion presses; Dies therefor using screws or worms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a spiral shell section of thick bamboo inner wall cleaning structure with dual cleaning effect, including the cleaning head, the said cleaning head includes bowl brush and scraper assembly, the scraper assembly includes central axis and scraping knife, the central axis is fixed with stretching into the pole, scraping knife is fixed on outer sidewall of the central axis; the central shaft is connected with the bowl brush in a sliding way along the axial direction of the extending rod, and a first spring is arranged between the bowl brush and the central shaft. The invention provides a screw cylinder inner wall cleaning structure with double cleaning effects, which can scrape and clean the screw cylinder inner wall, and clean the bowl brush after scraping large sundries, thereby improving the cleaning effect and the cleaning efficiency.
Description
Technical Field
The invention relates to the technical field of equipment cleaning devices, in particular to a screw cylinder inner wall cleaning structure with double cleaning effects.
Background
Along with the development of society and the progress of science and technology, the twin-screw extruder is widely applied in the plasticizing and chemical fields, and twin-screw cleaning is also an important link. The screw rod can be pulled out for cleaning, so that the cleaning is convenient, the inner cavity of the screw barrel connected by a plurality of units is difficult to clean, and the screw barrel is quickly, safely and economically cleaned, so that the problem of a manufacturer is solved. The screw cylinder unit is disassembled for cleaning, and the defects of long cleaning time, high labor intensity and high labor cost and time cost are overcome. The manual operation pole clearance of polishing, the shortcoming is intensity of labour big, and the security is low, and the unclean of clearance influences subsequent product performance. And the existing cleaning head has the problems of low cleaning efficiency and poor cleaning effect.
Disclosure of Invention
The invention provides a screw cylinder inner wall cleaning structure with double cleaning effects, which aims to solve the problems of low cleaning efficiency and poor cleaning effect of a cleaning head in the prior art, can scrape and clean the screw cylinder inner wall, and clean massive sundries by a bowl brush after scraping, so that the cleaning effect can be improved, and the cleaning efficiency is improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a spiral shell section of thick bamboo inner wall cleaning structure with dual cleaning effect, includes the cleaning head, the cleaning head includes bowl brush and scraper subassembly, and the scraper subassembly includes center pin and striking off the sword, and the center pin is fixed with stretching into the pole, strikes off the sword and is fixed on the lateral wall of center pin; the central shaft is connected with the bowl brush in a sliding way along the axial direction of the extending rod, and a first spring is arranged between the bowl brush and the central shaft.
Among the above-mentioned technical scheme, scraper assembly can strike off the cleanness to spiral shell section of thick bamboo inner wall, scrapes the back with massive debris and cleans by the bowl brush again, can increase cleaning efficiency, increases cleaning efficiency. After the cleaning head stretches into the screw cylinder through the sliding structure, the bowl brush and the scraper component are overlapped through the reaction force generated by pressing the inner end surface of the screw cylinder, so that the scraper component can scrape and clean the inner wall close to the innermost part. When the cleaning head stretches into the innermost side of the screw cylinder, the bowl brush end face contacts with the innermost end face of the screw cylinder, the stretching rod stretches into continuously, the central shaft moves inwards continuously to overcome the acting force of the first spring, the bowl brush and the scraper component are overlapped, then the rotary driver is started to clean, the deep stretching rod slowly stretches out after the linear driving mechanism is started, the scraper component slowly stretches out along with the deep stretching rod, the bowl brush position is unchanged, the scraper component slowly breaks away from the bowl brush, when the scraper component and the bowl brush are not overlapped any more, the scraper component reaches a limiting position, and the bowl brush and the scraper component slowly stretch out together. The bowl brush and the scraper component are cleaned side by side, so that sundries scraped by the scraper can be prevented from being repeatedly scrubbed by the bowl brush, and the cleaning effect of the cleaning head is improved.
Preferably, the central shaft comprises a tool rest and a central shaft body, the tool rest is fixed on the outer side wall of the central shaft body, and the scraping tool is fixed with the tool rest.
Preferably, the contact surface of the tool rest and the central shaft body has an inclination angle with the axis of the central shaft body, the tool rest is provided with a long groove arranged along the axis direction of the central shaft body, and the fixing screw penetrates through the long groove to fix the tool rest and the central shaft body. The structure can control the radial extension length of the scraping knife through fine adjustment of the axial position of the knife rest, so that a proper gap is kept between the scraping knife and the inner wall of the screw cylinder.
Preferably, the bowl brush comprises an inner supporting shaft and an outer cleaning wire, the outer cleaning wire is arranged and fixed on the outer side wall of the inner supporting shaft, the inner supporting shaft is in sliding connection with the central shaft, two ends of the first spring are respectively connected with the inner supporting shaft and the central shaft, and an avoidance groove for avoiding the tool rest and the scraping knife is formed in the inner supporting shaft.
Preferably, the cleaning head further comprises a scraping component, the scraping component comprises a connecting block and an elastic scraping ring, the elastic scraping ring is sleeved outside the connecting block, and the scraping component are respectively arranged at two ends of the bowl brush. The scraping component can wipe the sundries hung down by the scraping component clean, and the sundries are taken out of the screw cylinder, so that the cleaning effect is improved.
Preferably, the connecting block and the inner support shaft are in sliding connection along the axial direction of the central shaft, the inner support shaft is provided with a first inclined plane, the connecting block is provided with a second inclined plane matched with the first inclined plane, and the connecting block is provided with an elastic piece which enables the connecting block to expand outwards. The structure can realize the expansion of the connecting block, can ensure that the bowl brush can clean the position close to the end part in the initial stage, and simultaneously the connecting block can radially expand, so that the elastic scraping ring can clean the inner wall of the screw cylinder.
Preferably, the cleaning head further comprises a locking structure, the locking structure comprises a locking rod, a second spring and an unlocking rod, the inner supporting shaft is radially provided with a locking groove, a connecting groove and an unlocking groove which are mutually communicated are formed in the connecting block, the unlocking groove is parallel to the axial direction on the inner supporting shaft, the locking rod and the second spring are arranged in the locking groove, the locking rod is in sliding connection with the locking groove, the second spring enables the locking rod to keep an extending state, one end of the locking rod extends into the connecting groove, the unlocking rod is arranged in the unlocking groove and is in sliding connection with the unlocking groove, a third inclined surface is arranged on the end face of the locking rod, a fourth inclined surface is arranged at one end of the unlocking rod, the other end of the unlocking rod extends out of the connecting block, and the third inclined surface is in contact with the fourth inclined surface.
The structure can make the connecting block shrink through manual pressing the connecting block before cleaning, then locking structure can guarantee that the connecting block keeps the shrink state. When the cleaning head stretches into the screw cylinder and clings to the inner end surface of the screw cylinder, the unlocking rod is stressed to shrink inwards to unlock the locking rod, and at the moment, the connecting block can stretch out normally as long as the inner supporting shaft moves outwards relative to the connecting block. The connecting block can keep a shrinkage state when extending into the screw cylinder through the locking structure, so that the cleaning head is more convenient to put in, meanwhile, sundries on the inner wall of the screw cylinder are prevented from scratching the elastic scraping ring when the cleaning head is put in, and the service life and the cleaning effect of the elastic scraping ring are prolonged. When the cleaning head stretches into the end part of the screw cylinder, the locking can be automatically unlocked, and the operation is convenient.
Preferably, the axial force required for the inward retraction of the connection block is greater than the axial force required for the inward retraction of the unlocking lever.
Preferably, the locking structure further includes a third spring for making the unlocking lever in an outwardly extended state. The structure can enable the unlocking rod to extend more smoothly.
Preferably, the scraping blade is inclined along a circumferential direction of the central shaft. The structure can lead the scraping knife to generate a spiral effect when rotating, discharge the hung sundries outwards, bring the sundries out, prevent the sundries scraped by the scraping knife from being repeatedly scrubbed by the bowl brush, and increase the cleaning effect of the cleaning head.
The beneficial effects of the invention are as follows: (1) The scraper component can scrape and clean the inner wall of the screw cylinder, and the bowl brush is used for cleaning after scraping large sundries, so that the cleaning effect can be improved, and the cleaning efficiency is improved; (1) The scraper component can stretch and retract relative to the bowl brush, so that the scraper component can scrape and clean the inner wall close to the innermost part, the bowl brush and the scraper component can be cleaned side by side, sundries scraped by the scraper blade are prevented from being repeatedly scrubbed by the bowl brush, and the cleaning effect of the cleaning head is improved; (3) The scraping component can wipe the sundries scraped by the scraping component clean and take out the screw cylinder, so that the cleaning effect is improved; (4) The expansion and contraction of the connecting blocks can be realized, the bowl brush can be ensured to be cleaned in the initial stage, meanwhile, the connecting blocks can be radially expanded, and the inner wall of the intermittent screw cylinder of the elastic scraping ring can be cleaned; (5) The connecting block can be kept in a contracted state when extending into the screw cylinder through the locking structure, so that the cleaning head is more convenient to put in, meanwhile, sundries on the inner wall of the screw cylinder are prevented from scratching the elastic scraping ring when being put in, and the service life and cleaning effect of the elastic scraping ring are prolonged; when the cleaning head stretches into the end part of the screw cylinder, the locking can be automatically unlocked, and the operation is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the cleaning head of the present invention;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along section line E-E of FIG. 2;
FIG. 5 is a cross-sectional view taken along section line F-F in FIG. 2;
fig. 6 is a schematic structural diagram of embodiment 3.
In the figure: the cleaning device comprises a cross beam 1, a fixing frame 2, a linear driving mechanism 3, a roller 3.1, a driving motor 3.2, a rotary driver 4, an extending rod 5, a cleaning head 6, a bowl brush 6.1, an inner supporting shaft 6.1.1, an outer cleaning wire 6.1.2, an avoiding groove 6.1.3, a first inclined surface 6.1.4, a locking groove 6.1.5, a containing groove 6.1.6, a scraper assembly 6.2, a central shaft body 6.2.1, a knife rest 6.2.2, a scraping knife 6.2.3, a first spring 6.2.4, an elongated groove 6.2.5, a fixing screw 6.2.6, a scraping assembly 6.3, a connecting block 6.3.1, an elastic scraping ring 6.3.2, a second inclined surface 6.3.3, an elastic piece 6.3.4, a connecting groove 6.3.5, an unlocking groove 6.3.6, a locking structure 6.4, a locking rod 6.4.1, a second spring 6.4.2, an unlocking rod 6.4.3 and an electric control cabinet 7.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
Example 1:
as shown in fig. 2, 3 and 4, a screw inner wall cleaning structure with dual cleaning effect comprises a cleaning head 6, wherein the cleaning head 6 comprises a bowl brush 6.1 and a scraper assembly 6.2, the scraper assembly 6.2 comprises a central shaft and a scraping knife 6.2.3, the central shaft comprises a central shaft body 6.2.1 and a knife rest 6.2.2, the central shaft body 6.2.1 is fixed with an extending rod 5, the knife rest 6.2.2 is fixed on the outer side wall of the central shaft body 6.2.1, the scraping knife 6.2.3 is fixed with the knife rest 6.2.2, the bowl brush 6.1 comprises an inner supporting shaft 6.1.1 and an outer cleaning wire 6.1.2, the outer cleaning wire 6.1.2 is wrapped and fixed on the outer side wall of the inner supporting shaft 6.1.1, and the inner supporting shaft 6.1.1 is connected with the central shaft body 6.2.1. The contact surface of the tool rest 6.2.2 and the central shaft body 6.2.1 has an inclined angle with the axis of the central shaft body 6.2.1, the tool rest 6.2.2 is provided with a long groove 6.2.5 arranged along the axis direction of the central shaft body 6.2.1, and the fixing screw 6.2.6 passes through the long groove 6.2.5 to fix the tool rest 6.2.2 with the central shaft body 6.2.1. The scraping blades 6.2.3 are inclined in the circumferential direction of the central shaft body 6.2.1.
Among the above-mentioned technical scheme, scraper assembly 6.2 can strike off clean spiral shell section of thick bamboo inner wall, scrapes the back with massive debris and cleans by bowl brush 6.1 again, can increase cleaning performance, increases cleaning efficiency. The radial extension of the scraper blade 6.2.3 can be controlled by fine tuning the axial position of the blade holder 6.2.2 so that a proper clearance is maintained between the scraper blade 6.2.3 and the inner wall of the screw barrel. The scraper 6.2.3 can lead the scraper 6.2.3 to generate a spiral effect when rotating along the circumferential inclination of the central shaft body 6.2.1, and the suspended sundries are discharged outwards to carry the sundries out, so that the sundries scraped by the scraper 6.2.3 are prevented from being repeatedly scrubbed by the bowl brush 6.1, and the cleaning effect of the cleaning head 6 is improved.
Example 2:
as shown in fig. 2, 3 and 4, on the basis of embodiment 1, the inner support shaft 6.1.1 is slidably connected with the central shaft body 6.2.1 along the axial direction of the extending rod 5, a first spring 6.2.4 for relatively separating the inner support shaft 6.1.1 from the central shaft body 6.2.1 is arranged between the inner support shaft 6.1.1 and the central shaft body 6.2.1, and an avoiding groove 6.1.3 for avoiding the tool rest 6.2.2 and the scraping tool 6.2.3 is arranged on the inner support shaft 6.1.1. As shown in fig. 2 and 5, the cleaning head 6 further comprises a scraping assembly 6.3, the scraping assembly 6.3 comprising 4 connecting blocks 6.3.1 and elastic scraping rings 6.3.2,4 connecting blocks 6.3.1 are evenly arranged along the axial circumference of the central shaft body 6.2.1. The elastic scraping rings 6.3.2 are sleeved outside the 4 connecting blocks 6.3.1, and the scraping knife components 6.2 and the scraping components 6.3 are respectively arranged at two ends of the bowl brush 6.1. The connecting block 6.3.1 is in sliding connection with the inner support shaft 6.1.1 along the axial direction of the central shaft body 6.2.1, a first inclined plane 6.1.4 is arranged on the inner support shaft 6.1.1, a second inclined plane 6.3.3 matched with the first inclined plane 6.1.4 is arranged on the connecting block 6.3.1, and an elastic piece 6.3.4 which enables the connecting block 6.3.1 to expand outwards is arranged on the connecting block 6.3.1. The elastic piece 6.3.4 is a telescopic spring, and the opposite connecting blocks 6.3.1 are connected through the telescopic spring. The inner support shaft 6.1.1 is provided with a receiving groove 6.1.6 for receiving the elastic scraper ring 6.3.2 on the side close to the connecting piece 6.3.1. The axial force required for the inward contraction of the connection block 6.3.1 is smaller than the axial force required for the inward contraction of the first spring 6.2.4.
After the cleaning head 6 stretches into the screw cylinder through the sliding structure, the bowl brush 6.1, the scraper component 6.2 and the scraping component 6.3 can be overlapped through the reaction force generated by pressing the inner end surface of the screw cylinder, so that the scraper component 6.2 can scrape and clean the inner wall close to the innermost part. When the cleaning head 6 stretches into the innermost side of the screw cylinder, the end face of the connecting block 6.3.1 is contacted with the innermost end face of the screw cylinder, the connecting block 6.3.1 is retracted, the stretching rod 5 continues to stretch in, the end face of the bowl brush 6.1 is contacted with the innermost end face of the screw cylinder, the stretching rod 5 continues to stretch in, the central shaft body 6.2.1 continues to move inwards against the acting force of the first spring 6.2.4, the bowl brush 6.1 and the bowl brush 6.2 are overlapped, then the rotary driver 4 is started for cleaning, the linear driving mechanism 3 is started, the deep stretching rod 5 slowly stretches out, the bowl brush 6.2 slowly stretches out along with the linear driving mechanism, the bowl brush 6.1 is unchanged in position, the bowl brush 6.2 slowly breaks away from the bowl brush 6.1, and when the bowl brush 6.1 and the bowl brush 6.2 are not overlapped any more, the bowl brush 6.1 reaches a limiting position, and the bowl brush 6.1 slowly stretches out together with the bowl brush 6.2. Then connecting block 6.3.1 drives elasticity and scrapes ring 6.3.2 and stretch out, bowl brush 6.1, scraper subassembly 6.2 and strike off subassembly 6.3 and clean side by side, can avoid scraping the debris that sword 6.2.3 scraped down and be scrubbed repeatedly by bowl brush 6.1, increases the cleaning performance of cleaning head 6. The bowl brush 6.1 can be guaranteed to clean the position close to the end part in the initial stage, meanwhile, the connecting block 6.3.1 can be expanded radially, and the elastic scraping ring 6.3.2 can clean the inner wall of the screw cylinder.
Example 3:
as shown in fig. 2 and fig. 6, on the basis of embodiment 2, the cleaning head further includes a locking structure 6.4, the locking structure 6.4 includes a locking lever 6.4.1, a second spring 6.4.2 and an unlocking lever 6.4.3, a locking slot 6.1.5 is radially disposed on the inner supporting shaft 6.1.1, a connecting slot 6.3.5 and an unlocking slot 6.3.6 which are mutually communicated are disposed in the connecting block 6.3.1, the unlocking slot 6.3.6 is parallel to the axial direction on the inner supporting shaft 6.1.1, the locking lever 6.4.1 and the second spring 6.4.2 are disposed in the locking slot 6.1.5, the locking lever 6.4.1 is slidably connected with the locking slot 6.1.5, the second spring 6.4.2 keeps the locking lever 6.4.1 in an extended state, one end of the locking lever 6.4.1 extends into the connecting slot 6.3.5, the unlocking lever 6.4.3 is disposed in the unlocking slot 6.3.6 and is in contact with a fourth inclined plane, and a fourth inclined plane is disposed on the other end of the unlocking lever 6.3.1.1, and is in contact with the fourth inclined plane, and is retracted with the fourth inclined plane and is disposed in the axial direction of the connecting lever 6.3.1. The unlocking lever 6.4.3 is provided with a third spring which enables the unlocking lever 6.4.3 to extend outwards
The structure can enable the connecting block 6.3.1 to shrink by manually pressing the connecting block 6.3.1 before cleaning, and then the locking structure 6.4 can ensure that the connecting block 6.3.1 keeps a shrinking state. When the cleaning head 6 stretches into the screw cylinder and clings to the inner end surface of the screw cylinder, the unlocking rod 6.4.3 is stressed to shrink inwards to unlock the locking rod 6.4.1, and at the moment, the connecting block 6.3.1 can stretch out normally as long as the inner supporting shaft 6.1.1 moves outwards relative to the connecting block 6.3.1. Can make connecting block 6.3.1 keep the shrink state when stretching into the spiral shell section of thick bamboo through locking structure 6.4, make cleaning head 6 put into more conveniently, debris fish tail elasticity of spiral shell section of thick bamboo inner wall when avoiding putting into simultaneously strike off ring 6.3.2, increase elasticity and strike off ring 6.3.2's life and cleaning performance. When the cleaning head 6 stretches into the end part of the screw cylinder, the locking can be automatically unlocked, and the operation is convenient.
Example 4:
as shown in fig. 1, a screw cleaning device comprises a cross beam 1, a fixing frame 2, a linear driving mechanism 3, a rotary driver 4, a stretching rod 5 and a cleaning head 6 in the embodiment 1, wherein an electric control cabinet 7 for controlling the linear driving mechanism 3 and the rotary driver 4 is arranged on the fixing frame 2. The linear driving mechanism 3 drives the fixing frame 2 to transversely move on the cross beam 1, the linear driving mechanism 3 comprises a roller 3.1, a driving motor 3.2 and a belt transmission mechanism, the driving motor 3.2 drives the roller 3.1 to rotate through the belt transmission mechanism, the roller 3.1 is rotationally connected with the fixing frame 2, and the roller 3.1 is arranged in a track on the cross beam 1. The extension rod 5 is rotationally connected with the fixed frame 2, the length direction of the extension rod 5 is parallel to the length direction of the cross beam 1, the rotation driver 4 is arranged on the fixed frame 2, the rotation driver 4 drives the extension rod 5 to rotate, and the cleaning head 6 is fixed at one end of the extension rod 5 rotation driver 4.
When the device is used for cleaning, the double screw rod is pulled out of the screw barrel, the extension rod 5 and the cleaning head 6 extend into the screw barrel, the screw barrel and the cross beam 1 are relatively fixed, the rotary driver 4 and the linear driving mechanism 3 are respectively opened, the cleaning head 6 rotates and moves transversely, and the screw barrel is cleaned. The device can simplify the screw cylinder cleaning process, reduce the labor intensity and improve the cleaning efficiency and the cleaning effect. The device can not pollute materials, equipment is conventional equipment, the practicability is high, and the equipment is firm and wear-resistant.
The beneficial effects of the invention are as follows: (1) The screw cylinder cleaning process is simpler, the labor intensity is reduced, and the cleaning efficiency and the cleaning effect are improved; (2) The pollution to materials can be avoided, the equipment is conventional equipment, the practicability is high, and the equipment is firm and wear-resistant; (3) The inner support shaft 6.1.1 is reliably connected with the extending rod 5, and the extending rod 5 drives the bowl brush 6.1 to rotate through a hexagonal structure; (4) The scraper component 6.2 can scrape the inner wall of the screw cylinder, and the bowl brush 6.1 can clean the large sundries after scraping, so that the cleaning effect can be improved, and the cleaning efficiency can be improved; (5) The scraper assembly 6.2 can stretch and retract relative to the bowl brush 6.1, so that the scraper assembly 6.2 can scrape and clean the inner wall close to the innermost part, the bowl brush 6.1 and the scraper assembly 6.2 can be cleaned side by side, sundries scraped by the scraping knife 6.2.3 are prevented from being repeatedly scrubbed by the bowl brush 6.1, and the cleaning effect of the cleaning head 6 is improved; (6) The scraping component 6.3 can wipe the sundries scraped by the scraping component 6.3 clean and take out the screw cylinder, so that the cleaning effect is improved; (7) The expansion and contraction of the connecting block 6.3.1 can be realized, the bowl brush 6.1 can be ensured to be cleaned in the initial stage, meanwhile, the connecting block 6.3.1 can be radially expanded, and the inner wall of the intermittent screw cylinder of the elastic scraping ring 6.3.2 can be cleaned; (8) The connecting block 6.3.1 can be kept in a contracted state when extending into the screw cylinder through the locking structure 6.4, so that the cleaning head 6 is more convenient to put in, meanwhile, sundries on the inner wall of the screw cylinder are prevented from scratching the elastic scraping ring 6.3.2 when being put in, and the service life and cleaning effect of the elastic scraping ring 6.3.2 are prolonged; when the cleaning head 6 stretches into the end part of the screw cylinder, the locking can be automatically unlocked, and the operation is convenient.
Claims (7)
1. The utility model provides a spiral shell section of thick bamboo inner wall cleaning structure with dual cleaning effect, its characterized in that includes cleaning head (6), cleaning head (6) are including bowl brush (6.1) and scraper subassembly (6.2), and scraper subassembly (6.2) include center pin and scraper blade (6.2.3), and the center pin is fixed with stretching into pole (5), and scraper blade (6.2.3) are fixed on the lateral wall of center pin; the central shaft is connected with the bowl brush (6.1) in a sliding way along the axial direction of the extending rod (5), and a first spring (6.2.4) is arranged between the bowl brush (6.1) and the central shaft;
the center shaft comprises a tool rest (6.2.2) and a center shaft body (6.2.1), an inclination angle exists between the contact surface of the tool rest (6.2.2) and the center shaft body (6.2.1) and the axis of the center shaft body (6.2.1), a long groove (6.2.5) arranged along the axis direction of the center shaft body (6.2.1) is formed in the tool rest (6.2.2), a fixing screw (6.2.6) penetrates through the long groove (6.2.5) to fix the tool rest (6.2.2) and the center shaft body (6.2.1), and a scraping knife (6.2.3) inclines along the circumferential direction of the center shaft body (6.2.1).
2. A screw inner wall cleaning structure with double cleaning effect according to claim 1, characterized in that the tool holder (6.2.2) is fixed on the outer side wall of the central shaft body (6.2.1), and the scraping knife (6.2.3) is fixed with the tool holder (6.2.2).
3. The screw cylinder inner wall cleaning structure with double cleaning effects according to claim 1 or 2, characterized in that the bowl brush (6.1) comprises an inner supporting shaft (6.1.1) and an outer cleaning wire (6.1.2), the outer cleaning wire (6.1.2) is arranged and fixed on the outer side wall of the inner supporting shaft (6.1.1), the inner supporting shaft (6.1.1) is in sliding connection with the central shaft, two ends of the first spring (6.2.4) are respectively connected with the inner supporting shaft (6.1.1) and the central shaft, and an avoidance groove (6.1.3) for avoiding the knife rest (6.2.2) and the scraping knife (6.2.3) is formed in the inner supporting shaft (6.1.1).
4. A screw cylinder inner wall cleaning structure with double cleaning effect as claimed in claim 3, characterized in that the cleaning head (6) further comprises a scraping component (6.3), the scraping component (6.3) comprises a connecting block (6.3.1) and an elastic scraping ring (6.3.2), the elastic scraping ring (6.3.2) is sleeved outside the connecting block (6.3.1), and the scraping component (6.2) and the scraping component (6.3) are respectively arranged at two ends of the bowl brush (6.1).
5. The screw cylinder inner wall cleaning structure with double cleaning effects according to claim 4, wherein the connecting block (6.3.1) is connected with the inner supporting shaft (6.1.1) in a sliding manner along the axial direction of the central shaft, a first inclined surface (6.1.4) is arranged on the inner supporting shaft (6.1.1), a second inclined surface (6.3.3) matched with the first inclined surface (6.1.4) is arranged on the connecting block (6.3.1), and an elastic piece (6.3.4) which enables the connecting block (6.3.1) to expand outwards is arranged on the connecting block (6.3.1).
6. The cleaning structure for the inner wall of the screw cylinder with the dual cleaning effect according to claim 5, wherein the cleaning head (6) further comprises a locking structure (6.4), the locking structure (6.4) comprises a locking rod (6.4.1), a second spring (6.4.2) and an unlocking rod (6.4.3), a locking groove (6.1.5) is radially arranged on the inner supporting shaft (6.1.1), a connecting groove (6.3.5) and an unlocking groove (6.3.6) which are mutually communicated are arranged in the connecting block (6.3.1), the unlocking groove (6.3.6) is parallel to the axial direction on the inner supporting shaft (6.1.1), the locking rod (6.4.1) and the second spring (6.4.2) are arranged in the locking groove (6.1.5), the locking rod (6.4.1) is in sliding connection with the locking groove (6.1.5), the second spring (6.4.2) enables the locking rod (6.4.1) to keep the locking rod (6.1) in a mutually communicated state, the unlocking groove (6.3.6.6) is arranged in the connecting groove (6.1.1) and the unlocking groove (6.3.6) is arranged at the other end face (6.3.1), and the unlocking groove (6.4.1) is arranged at the other end face (6.1) of the unlocking groove (6.1.1.1) and is provided with a third inclined face.
7. A screw inner wall cleaning structure with double cleaning effect according to claim 6, characterized in that the axial force required for the inward retraction of the connecting block (6.3.1) is greater than the axial force required for the inward retraction of the unlocking lever (6.4.3).
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