CN114425880A - Screw barrel inner wall cleaning structure with dual cleaning effects - Google Patents
Screw barrel inner wall cleaning structure with dual cleaning effects Download PDFInfo
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- CN114425880A CN114425880A CN202210055249.7A CN202210055249A CN114425880A CN 114425880 A CN114425880 A CN 114425880A CN 202210055249 A CN202210055249 A CN 202210055249A CN 114425880 A CN114425880 A CN 114425880A
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- central shaft
- connecting block
- wall
- scraping
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- 238000004140 cleaning Methods 0.000 title claims abstract description 126
- 230000000694 effects Effects 0.000 title claims abstract description 41
- 230000009977 dual effect Effects 0.000 title claims description 6
- 238000007790 scraping Methods 0.000 claims abstract description 59
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 6
- 241000251468 Actinopterygii Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- 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 screw cylinder inner wall cleaning structure with double cleaning effects, which comprises a cleaning head, wherein the cleaning head comprises a bowl brush and a scraper component, the scraper component comprises a central shaft and a scraping knife, the central shaft is fixed with an extension rod, and the scraping knife is fixed on the outer side wall of the central shaft; the central shaft is connected with the bowl brush in an axial sliding mode along the extending rod, and a first spring is arranged between the bowl brush and the central shaft. The invention provides a screw barrel inner wall cleaning structure with double cleaning effects, which can scrape and clean the inner wall of a screw barrel, can scrape large sundries and then clean the sundries by a bowl brush, can increase the cleaning effect and increase 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
With the development of society and the progress of science and technology, the application of the double-screw extruder in the fields of plasticization and chemical industry is more and more extensive, and the double-screw cleaning also becomes an important link. Because the screw rod can be pulled out for cleaning, it is more convenient, and the inner chamber of the screw barrel that a plurality of units are connected is difficult to clean a lot, how to quick, safe, economic clearance screw barrel becomes the difficult problem of a producer, the mode of clearance before mainly has screw barrel unit to pull open and clear up, perhaps manual operation polish the pole clearance. The screw barrel unit is disassembled for cleaning, and the defects of long cleaning time, high labor intensity, high labor cost and high time cost are overcome. The manual operation grinding rod cleaning has the defects of high labor intensity, low safety, unclean cleaning and influence on the performance of subsequent products. And the existing cleaning head has the problems of low cleaning efficiency and poor cleaning effect.
Disclosure of Invention
In order to solve the problems of low cleaning efficiency and poor cleaning effect of the cleaning head in the prior art, the invention provides the screw cylinder inner wall cleaning structure with double cleaning effects, which can scrape and clean the inner wall of the screw cylinder, and can scrape large sundries and then clean the sundries by the bowl brush, thereby increasing the cleaning effect and the cleaning efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cleaning structure for the inner wall of a screw cylinder with double cleaning effects comprises a cleaning head, wherein the cleaning head comprises a bowl brush and a scraper assembly, the scraper assembly comprises a central shaft and a scraping knife, the central shaft is fixed with an extension rod, and the scraping knife is fixed on the outer side wall of the central shaft; the central shaft is connected with the bowl brush in an axial sliding mode along the extending rod, and a first spring is arranged between the bowl brush and the central shaft.
Among the above-mentioned technical scheme, the scraper subassembly can strike off the cleaning to spiral shell inner wall, strikes off bold debris and cleans by the bowl brush again, can increase clean effect, increases cleaning efficiency. Can make the cleaning head stretch into the spiral shell section of thick bamboo through sliding construction after, can make bowl brush and scraper subassembly overlap through the reaction force that compresses tightly the interior terminal surface of spiral shell section of thick bamboo and produce, make the scraper subassembly can strike off the cleanness near the inner wall of the most inside. After the cleaning head stretches into the innermost side of the screw cylinder, the end face of the bowl brush is in contact with the innermost end face of the screw cylinder, the stretching rod continues to stretch into the cleaning head, the acting force of the central shaft for overcoming the first spring continues to move inwards, the bowl brush and the scraper component are overlapped, then the rotation driver is started for cleaning, the stretching rod slowly stretches out after the linear driving mechanism is started, the scraper component slowly stretches out along with the stretching rod, the position of the bowl brush 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 limited 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 scraping knife 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 holder and a central shaft body, the tool holder is fixed on the outer side wall of the central shaft body, and the scraping knife is fixed with the tool holder.
Preferably, the contact surface of the tool holder and the center shaft body has an inclination angle with respect to the axis of the center shaft body, the tool holder is provided with a long groove arranged along the axis of the center shaft body, and the tool holder is fixed to the center shaft body by a fixing screw passing through the long groove. The structure can control the radial extension length of the scraping knife by finely adjusting 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 includes interior back shaft and outer clean silk, and outer clean silk setting is on and fixed including the lateral wall of back shaft, interior back shaft and center pin sliding connection, interior back shaft and center pin are connected respectively at the both ends of first spring, and interior epaxial being equipped with of support is used for dodging the knife rest and scraping off the groove of dodging of sword.
Preferably, the cleaning head further comprises a scraping assembly, the scraping assembly comprises a connecting block and an elastic scraping ring, the elastic scraping ring is sleeved outside the connecting block, and the scraping assembly are respectively arranged at two ends of the bowl brush. The scraping component can clean sundries hung on the scraping component, and the sundries are taken out of the screw cylinder, so that the cleaning effect is improved.
Preferably, the connecting block is connected with the inner supporting shaft in a sliding mode along the axial direction of the central shaft, a first inclined plane is arranged on the inner supporting shaft, a second inclined plane matched with the first inclined plane is arranged on the connecting block, and an elastic piece enabling the connecting block to expand outwards is arranged on the connecting block. The structure can realize the flexible of connecting block, can guarantee at the initial stage that the bowl brush can clean the position that is close to the tip, and the connecting block can radially expand simultaneously, can make elasticity strike off the ring and clean spiral shell inner wall.
As preferred, the cleaning head still includes locking structure, locking structure includes the check lock lever, second spring and unblock pole, radially be provided with the locking groove on the interior back shaft, be equipped with the spread groove and the unblock groove of mutual intercommunication in the connecting block, the unblock groove is parallel with the epaxial axis direction of interior support, check lock lever and second spring setting are in the locking groove, check lock lever and locking groove sliding connection, the second spring makes the check lock lever keep stretching out the state, the spread groove is stretched into to the one end of check lock lever, the unblock pole setting is in the unblock inslot and with unblock groove sliding connection, the terminal surface of check lock lever is equipped with the third inclined plane, the one end of unblock pole is equipped with the fourth inclined plane, the connecting block is stretched out to the other end of unblock pole, the contact of third inclined plane and fourth inclined plane.
The structure can be before clean through the manual connecting block of pressing down, makes the connecting block shrink, and then locking structure can guarantee that the connecting block keeps the contraction state. When the cleaning head stretches into the screw cylinder and clings to the end surface in the screw cylinder, the unlocking rod is stressed to contract inwards to unlock the locking rod, and at the moment, the connecting block can normally stretch out as long as the inner supporting shaft moves outwards relative to the connecting block. Can make the connecting block keep the contraction state when stretching into a spiral shell section of thick bamboo through locking structure, it is more convenient to make the cleaning head put into, and the ring is scraped to debris fish tail elasticity of spiral shell section of thick bamboo inner wall when avoiding putting into simultaneously, increases elasticity and scrapes life and the clean effect of ring. When the cleaning head extends into the end part of the screw cylinder, the cleaning head is locked and can be automatically unlocked, and the operation is convenient.
Preferably, the axial force required to retract the connector block inwardly is greater than the axial force required to retract the lock release lever inwardly.
Preferably, the locking structure further includes a third spring for urging the lock release lever to the outwardly extended state. The structure can make the unlocking rod extend out more smoothly.
Preferably, the scraping blade is inclined in a circumferential direction of the central shaft. The structure can lead the scraping knife to generate a spiral effect when rotating, and the hung sundries are discharged to the outside to bring out the sundries, thereby avoiding the sundries scraped by the scraping knife from being repeatedly scrubbed by the bowl brush and increasing the cleaning effect of the cleaning head.
The invention has the beneficial effects that: (1) the scraper component can scrape and clean the inner wall of the screw cylinder, and large sundries are scraped and then cleaned by the bowl brush, so that the cleaning effect can be improved, and the cleaning efficiency is improved; (1) the scraper component can stretch relative to the bowl brush, so that the scraper component can scrape and clean the inner wall close to the innermost part, and the bowl brush and the scraper component can be cleaned side by side, thereby avoiding sundries scraped by the scraper from being repeatedly scrubbed by the bowl brush and improving the cleaning effect of the cleaning head; (3) the scraping component can clean sundries scraped by the scraping component and bring the sundries out of the screw cylinder, so that the cleaning effect is improved; (4) the expansion of the connecting block can be realized, the bowl brush can be ensured to be cleaned in the initial stage, and meanwhile, the connecting block can be radially expanded, so that 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 can be more conveniently placed, and meanwhile, the elastic scraping ring is prevented from being scratched by sundries on the inner wall of the screw cylinder when being placed, so that the service life of the elastic scraping ring is prolonged, and the cleaning effect of the elastic scraping ring is improved; when the cleaning head extends into the end part of the screw cylinder, the cleaning head is locked and can be automatically unlocked, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural view 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 line A-A in FIG. 2;
FIG. 4 is a sectional view taken along line E-E in FIG. 2;
FIG. 5 is a sectional view taken along line F-F in FIG. 2;
FIG. 6 is a schematic structural view of embodiment 3.
In the figure: the cleaning device comprises a cross beam 1, a fixed 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 plane 6.1.4, a locking groove 6.1.5, an accommodating groove 6.1.6, a scraper component 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 component 6.3, a connecting block 6.3.1, an elastic scraping ring 6.3.2, a second inclined plane 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 6.3.3, and an electric control cabinet.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 2, fig. 3 and fig. 4, a screw barrel inner wall cleaning structure with dual cleaning effects comprises a cleaning head 6, wherein the cleaning head 6 comprises a bowl brush 6.1 and a scraper component 6.2, the scraper component 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 inclination 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 axial 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 and the central shaft body 6.2.1. The scraping knives 6.2.3 are inclined in the circumferential direction of the central shaft body 6.2.1.
Among the above-mentioned technical scheme, scraper subassembly 6.2 can strike off the cleaning to spiral shell inner wall, strikes off bold debris and cleans by bowl brush 6.1 again after, can increase clean effect, increases clean efficiency. The radial extension of the scraping knife 6.2.3 can be controlled by fine-tuning the axial position of the knife holder 6.2.2, so that a proper clearance is kept between the scraping knife 6.2.3 and the inner wall of the screw cylinder. The scraping knife 6.2.3 can generate a spiral effect when rotating along the circumferential inclination of the central shaft body 6.2.1, hung sundries are discharged to the outside, the sundries are taken out, the 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.
Example 2:
as shown in fig. 2, 3 and 4, based on embodiment 1, the inner support shaft 6.1.1 is connected with the central shaft body 6.2.1 in a sliding manner 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 knife rest 6.2.2 and the scraping knife 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 includes a scraping assembly 6.3, the scraping assembly 6.3 includes 4 connecting blocks 6.3.1 and an elastic scraping ring 6.3.2, and the 4 connecting blocks 6.3.1 are circumferentially and uniformly arranged along the axis of the central shaft body 6.2.1. The elastic scraping ring 6.3.2 is sleeved outside the 4 connecting blocks 6.3.1, and the scraper component 6.2 and the scraping component 6.3 are respectively arranged at two ends of the bowl brush 6.1. The connecting block 6.3.1 is connected with the inner support shaft 6.1.1 in a sliding mode 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 enabling the connecting block 6.3.1 to expand outwards is arranged on the connecting block 6.3.1. The elastic component 6.3.4 is a telescopic spring, and the opposite connecting blocks 6.3.1 are connected through the telescopic spring. The side of the inner support shaft 6.1.1 close to the connecting block 6.3.1 is provided with a receiving groove 6.1.6 for receiving the elastic scraper ring 6.3.2. The axial force required for the inward contraction of the connecting piece 6.3.1 is smaller than the axial force required for the inward contraction of the first spring 6.2.4.
The structure can be through sliding construction, makes cleaning head 6 stretch into the barrel after, can make bowl brush 6.1, scraper subassembly 6.2 and strike off subassembly 6.3 and overlap through the reaction force that compresses tightly the interior terminal surface production of barrel, makes scraper subassembly 6.2 can strike off the cleanness to the inner wall that is close to the innermost. When the cleaning head 6 extends into the innermost side of the screw cylinder, the end face of the connecting block 6.3.1 is in contact with the end face of the innermost side of the screw cylinder, the connecting block 6.3.1 retracts, the extending rod 5 continues to extend, the end face of the bowl brush 6.1 is in contact with the end face of the innermost side of the screw cylinder, the extending rod 5 continues to extend, the central shaft body 6.2.1 continues to move inwards under the action of the first spring 6.2.4, the bowl brush 6.1 is overlapped with the scraper component 6.2, then the rotary driver 4 is started for cleaning, the linear driving mechanism 3 is started and then the deep extending rod 5 slowly extends, the scraper component 6.2 slowly extends out along with the bowl brush 6.1, the position of the bowl brush 6.1 is unchanged, the scraper component 6.2 slowly separates from the bowl brush 6.1, and when the scraper component 6.2 is not overlapped with the bowl brush 6.1 any more, the scraper component 6.2 reaches a limited position, and the bowl brush 6.1 and the scraper component 6.2 slowly extend out together. Then the connecting block 6.3.1 drives the elastic scraping ring 6.3.2 to extend out, the bowl brush 6.1, the scraper component 6.2 and the scraping component 6.3 are cleaned side by side, so that sundries scraped by the scraping knife 6.2.3 can be prevented from being repeatedly scrubbed by the bowl brush 6.1, and the cleaning effect of the cleaning head 6 is improved. Can guarantee bowl brush 6.1 in the initial stage and can clean the position that is close to the tip, connecting block 6.3.1 can radially expand simultaneously, can make elasticity strike off ring 6.3.2 and clean the screw inner wall.
Example 3:
as shown in fig. 2 and 6, on the basis of the embodiment 2, the cleaning head further comprises a locking structure 6.4, the locking structure 6.4 comprises a locking rod 6.4.1, the locking device comprises a second spring 6.4.2, an unlocking rod 6.4.3, a locking groove 6.1.5 is radially arranged on an inner support shaft 6.1.1, a connecting groove 6.3.5 and an unlocking groove 6.3.6 which are communicated with each other are arranged in a connecting block 6.3.1, the unlocking groove 6.3.6 is parallel to the axial direction of the inner support shaft 6.1.1, a 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 in an extending state, one end of the locking rod 6.4.1 extends into the connecting groove 6.3.5, the unlocking rod 6.4.3 is arranged in the unlocking groove 6.3.6 and is in sliding connection with the unlocking groove 6.3.6, a third inclined surface of the locking rod 6.4.1 is provided with a third inclined surface, one end of the unlocking rod 6.3, one end of the fourth inclined surface of the unlocking rod is in contact with the fourth inclined surface, and the required axial retracting force of the third inclined surface of the unlocking rod 6.6.3.1 is larger than the required force of the fourth inclined surface of the connecting block. The unlocking rod 6.4.3 is provided with a third spring which enables the unlocking rod 6.4.3 to extend outwards
The structure can be used for manually pressing the connecting block 6.3.1 before cleaning to enable the connecting block 6.3.1 to contract, and then the locking structure 6.4 can ensure that the connecting block 6.3.1 keeps a contracted state. When the cleaning head 6 extends into the screw cylinder and is tightly attached to the inner end surface of the screw cylinder, the unlocking rod 6.4.3 is stressed to contract inwards to unlock the locking rod 6.4.1, and at the moment, the connecting block 6.3.1 can normally extend out 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 contraction state when stretching into the spiral shell section of thick bamboo through locking structure 6.4, make cleaner 6 put into more conveniently, the debris fish tail elasticity of spiral shell section of thick bamboo inner wall strikes off ring 6.3.2 when avoiding putting into simultaneously, increases elasticity and scrapes life and clean effect of ring 6.3.2. When the cleaning head 6 extends into the end part of the screw cylinder, the locking can be carried out, and the automatic unlocking can be carried out, so that the operation is convenient.
Example 4:
as shown in fig. 1, a screw cylinder cleaning device comprises a beam 1, a fixed frame 2, a linear driving mechanism 3, a rotary driver 4, an extension rod 5 and a cleaning head 6 in embodiment 1, wherein an electric control cabinet 7 for controlling the linear driving mechanism 3 and the rotary driver 4 is arranged on the fixed 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 rotatably connected with the fixing frame 2, and the roller 3.1 is arranged in a track on the cross beam 1. Stretch into pole 5 and be connected with mount 2 rotation, the length direction who stretches into pole 5 is parallel with the length direction of crossbeam 1, rotates driver 4 and sets up on mount 2, rotates driver 4 and drives and stretch into pole 5 rotatory, and cleaning head 6 is fixed and is being served at the pole 5 rotation driver 4 that stretches into.
When the device is used for cleaning, the double screws are firstly pulled out of the screw cylinder, then the extension rod 5 and the cleaning head 6 are extended into the screw cylinder, the screw cylinder and the cross beam 1 are relatively fixed, and then the rotary driver 4 and the linear driving mechanism 3 are respectively opened, so that the cleaning head 6 rotates and moves transversely at the same time, and the screw cylinder is cleaned. The device can simplify the cleaning process of the screw cylinder, reduce the labor intensity and simultaneously improve the cleaning efficiency and the cleaning effect. The device can not pollute materials, the equipment is conventional equipment, the practicability is high, and the equipment is firm and wear-resistant.
The invention has the beneficial effects that: (1) the cleaning process of the screw cylinder is simpler, the labor intensity is reduced, and the cleaning efficiency and the cleaning effect are improved; (2) the material cannot be polluted, 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 extension rod 5, and the extension rod 5 drives the bowl brush 6.1 to rotate through a hexagonal structure; (4) the scraper component 6.2 can scrape and clean the inner wall of the screw cylinder, and large sundries are scraped and then cleaned by the bowl brush 6.1, so that the cleaning effect can be improved, and the cleaning efficiency can be improved; (5) the scraper component 6.2 can stretch relative to the bowl brush 6.1, so that the scraper component 6.2 can scrape and clean the inner wall close to the innermost part, and the bowl brush 6.1 and the scraper component 6.2 can be cleaned side by side, thereby avoiding sundries scraped by the scraper 6.2.3 from being repeatedly scrubbed by the bowl brush 6.1 and increasing the cleaning effect of the cleaning head 6; (6) the scraping component 6.3 can wipe the sundries scraped by the scraping component 6.3 clean and bring the sundries out of the screw cylinder, so that the cleaning effect is improved; (7) the expansion 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, and meanwhile, the connecting block 6.3.1 can be radially expanded, so that the inner wall of the intermittent screw cylinder of the elastic scraping ring 6.3.2 can be cleaned; (8) the locking structure 6.4 can keep the connecting block 6.3.1 in a contraction state when extending into the screw cylinder, so that the cleaning head 6 is more convenient to put in, and meanwhile, sundries on the inner wall of the screw cylinder are prevented from scratching the elastic scraping ring 6.3.2 when putting in, the service life of the elastic scraping ring 6.3.2 is prolonged, and the cleaning effect is improved; when the cleaning head 6 extends into the end part of the screw cylinder, the locking can be carried out, and the automatic unlocking can be carried out, so that the operation is convenient.
Claims (8)
1. The screw cylinder inner wall cleaning structure with the double cleaning effects is characterized by comprising a cleaning head (6), wherein the cleaning head (6) comprises a bowl brush (6.1) and a scraper component (6.2), the scraper component (6.2) comprises a central shaft and a scraping knife (6.2.3), the central shaft is fixed with an extending rod (5), and the scraping knife (6.2.3) is fixed on the outer side wall of the central shaft; the central shaft is connected with the bowl brush (6.1) in an axial sliding manner along the extending rod (5), and a first spring (6.2.4) is arranged between the bowl brush (6.1) and the central shaft.
2. The barrel inner wall cleaning structure with the dual cleaning effect as claimed in claim 1, wherein the central shaft comprises a tool holder (6.2.2) and a central shaft body (6.2.1), 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 inner wall cleaning structure of the screw cylinder with double cleaning effects as claimed in claim 2, wherein the contact surface of the tool holder (6.2.2) and the central shaft body (6.2.1) has an inclination angle with the axis of the central shaft body (6.2.1), the tool holder (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 holder (6.2.2) and the central shaft body (6.2.1).
4. The inner wall cleaning structure of the screw cylinder with the dual cleaning effect as claimed in claim 1, 2 or 3, wherein 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 connected with the central shaft in a sliding manner, 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 the inner supporting shaft (6.1.1) is provided with an avoiding groove (6.1.3) for avoiding the knife rest (6.2.2) and the scraping knife (6.2.3).
5. The screw barrel inner wall cleaning structure with the dual cleaning effect as claimed in claim 4, wherein 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).
6. The screw barrel inner wall cleaning structure with the double cleaning effect as claimed in claim 5, 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, the inner supporting shaft (6.1.1) is provided with a first inclined surface (6.1.4), the connecting block (6.3.1) is provided with a second inclined surface (6.3.3) matched with the first inclined surface (6.1.4), and the connecting block (6.3.1) is provided with an elastic member (6.3.4) for expanding the connecting block (6.3.1) outwards.
7. The cleaning structure for the inner wall of the screw cylinder with the double cleaning effects as claimed in claim 6, 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), the locking groove (6.1.5) is radially arranged on the inner supporting shaft (6.1.1), the connecting groove (6.3.5) and the unlocking groove (6.3.6) which are communicated with each other 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 slidably connected 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 the sliding state, and one end of the locking rod (6.3) extends into the unlocking groove (6.1.5) and is connected with the locking groove (6.6.1), the terminal surface of check lock pole (6.4.1) is equipped with the third inclined plane, and the one end of unblock pole (6.4.3) is equipped with the fourth inclined plane, and the other end of unblock pole (6.4.3) stretches out connecting block (6.3.1), and the third inclined plane contacts with the fourth inclined plane.
8. The barrel inner wall cleaning structure with double cleaning effect as claimed in claim 7, wherein the axial force required for inward retraction of the connecting block (6.3.1) is larger than the axial force required for inward retraction of the unlocking lever (6.4.3).
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| CN2021112651018 | 2021-10-28 | ||
| CN202111265101 | 2021-10-28 |
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Cited By (1)
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| CN114425880B (en) | 2024-04-05 |
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