Automatic recycling and cleaning double-cylinder dosing machine

Abstract

The application discloses a kind of automatic recovery cleaning double-cylinder dosing machine, belong to packaging equipment technical field.It includes: base, two groups of dosing mechanism and pipeline assembly, two groups of dosing mechanism are symmetrically arranged on base, and bottom output end is all communicated with pipeline assembly, dosing mechanism includes shell, cylinder, support frame, piston, push assembly and cleaning assembly, piston top is equipped with guide rod, cleaning assembly is arranged in the bottom side of guide rod, cleaning assembly includes scraping ring and two pipes, scraping ring is fixedly sleeved on the top of guide rod, shell top end is provided with liquid storage cavity, two pipes are all fixedly sleeved in the top of cylinder, and top end is all located in liquid storage cavity, pipe top end is all bent downward, shell rear side is connected with external pump body device, pump body device input end is communicated with liquid storage cavity, push assembly is arranged in the top of guide rod, for the up and down movement of piston.The application effectively solves the problem of residual material in the inner wall of cylinder, which will cause waste if not recovered in time.

Description

Technical Field

[0001] The invention relates to the technical field of packaging equipment, in particular to a double-cylinder quantitative machine with automatic recycling and cleaning. Background Art

[0002] A packaging machine is a type of machine that packages products to protect and beautify them. The discharging device on the packaging machine extrude the processed materials, and the extruded materials enter the packaging bag. The discharging device of the packaging machine in the existing technology mostly adopts quantitative machine equipment to ensure the accuracy of packaging.

[0003] In the prior art, for example, the utility model patent with announcement number CN208559894U discloses a quantitative extrusion device for grease packaging, and the utility model patent with announcement number CN211139744U discloses a discharging device of a packaging machine, which pushes out a quantitative amount of material through the movement of a piston push plate. Due to long-term use, the piston and the cylinder body wear, resulting in a loose seal, and residual material will remain on the inner wall of the cylinder. If it is not recovered in time, it will cause waste. Summary of the Invention

[0004] The purpose of the present invention is to provide a double-cylinder dosing machine with automatic recovery and cleaning, so as to solve the problem raised in the above background technology that due to long-term use, the wear between the piston and the cylinder body leads to poor sealing, and material will remain on the inner wall of the cylinder, which will cause waste if not recovered in time.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A dual-cylinder quantitative machine with automatic recovery and cleaning, comprising: a base, two sets of quantitative mechanisms and a pipeline assembly, wherein the two sets of quantitative mechanisms are symmetrically arranged on the base, and the bottom output ends are both connected to the pipeline assembly;

[0007] The quantitative mechanism includes a housing, a cylinder, a support, a piston, a pushing assembly and a cleaning assembly. The support is fixedly mounted on the base, the housing is vertically fixedly mounted on the top of the support, the cylinder is vertically rotatably sleeved in the housing, and the piston is vertically slidably sleeved in the cylinder.

[0008] A guide rod is provided on the top of the piston, and the cleaning assembly is arranged on the bottom side of the guide rod;

[0009] The cleaning assembly includes a scraper ring and two guide tubes. The scraper ring is fixedly sleeved on the upper side of the guide rod. A liquid storage cavity is opened at the top of the shell. The two guide tubes are fixedly sleeved on the top of the cylinder body, and the top ends are both located in the liquid storage cavity. The top ends of the guide tubes are bent downward. The rear side of the shell is connected to the external pump body device, and the input end of the pump body device is connected to the liquid storage cavity.

[0010] The pushing assembly is arranged at the top end of the guide rod and is used for the up and down movement of the piston;

[0011] The side of the shell is provided with a constant temperature mechanism for ensuring a constant temperature inside the quantitative mechanism.

[0012] Preferably, a plurality of first balls are rollingly embedded in the side wall of the guide rod, a receiving groove is vertically opened on the top of the piston, the guide rod is vertically arranged in the receiving groove, and the plurality of first balls are in rolling contact with the receiving groove, a sleeve is fixedly installed on the top of the cylinder body, a guide groove is opened on the outside of the guide rod, and the guide groove is spiral, and a plurality of second balls are rollingly embedded in the inner wall of the sleeve, and the plurality of second balls are all rollingly embedded in the guide groove.

[0013] Preferably, the pipeline assembly includes a pipe joint, a bracket and two groups of material guiding components. The bracket is vertically fixedly installed on the base, the pipe joint is fixedly sleeved on the bracket, and the material guiding component includes a three-way joint, a first solenoid valve, a second solenoid valve and a connecting pipe. The three-way joint is fixedly embedded in the bottom end of the shell, and the top end is rotatably connected to the bottom end of the cylinder body. The first solenoid valve is fixedly installed on the side of the three-way joint for fixed connection with the output end of the external feeding equipment. The second solenoid valve is fixedly installed at the bottom end of the three-way joint. The two ends of the connecting pipe are respectively fixedly connected and conducted with the second solenoid valve and the pipe joint.

[0014] Preferably, a capsule is fixedly embedded on the outer side of the piston, a pressure mechanism is provided in the placement groove, a cavity is opened on the inner side of the top of the scraper ring, and the capsule and the cavity are both connected to the pressure mechanism.

[0015] Preferably, the pressure mechanism includes a cylinder, a sealing block, two sliding rods, two third balls, two hoses and two connecting pipes, the cylinder is vertically fixedly installed in the piston, the sealing block seals and slides vertically in the cylinder, sliding openings are vertically opened on both sides of the cylinder, the two sliding rods are horizontally and symmetrically fixedly installed on both sides of the sealing block, the two third balls are respectively rollingly embedded in the outer ends of the two sliding rods, the inner wall of the bottom end of the guide rod is opened with an annular groove, the two third balls are rollingly embedded in the groove, a cannula is rotatably installed on the top of the cylinder, the two hoses pass through and are fixedly sleeved in the scraper ring and the guide rod, the two ends of the hoses are respectively fixedly connected and communicated with the side of the cannula and the inside of the cavity, the two connecting pipes are both horizontally fixedly installed in the piston, and the two ends of the connecting pipes are respectively fixedly connected and communicated with the inside of the bottom end side of the cylinder and the inside of the sac.

[0016] Preferably, a suction mechanism is provided on the bottom side of the scraper ring, and the suction mechanism includes a groove ring, multiple groups of guide components and transmission components. The guide components include a bent pipe, a turbine, a rotating shaft and a sleeve. The bent pipe is fixedly sleeved in the scraper ring, and the sleeve is horizontally fixedly installed on the inner side of the bent pipe. The rotating shaft is horizontally rotatably sleeved in the sleeve, and the turbine is fixedly sleeved on the end of the rotating shaft located in the bent pipe.

[0017] Preferably, the transmission component includes multiple first gears, a first gear ring and multiple connecting rods, the multiple connecting rods are vertically fixedly installed on the top of the piston, the inner wall of the first gear ring is fixedly connected to the top of the multiple connecting rods, and the multiple first gears are respectively fixedly sleeved on the ends of multiple rotating shafts.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. When the piston returns, the scraper ring scrapes the inner wall of the cylinder where the material has just been extruded, and the external pump device starts to suck out the residual material cleaned from the inner wall of the cylinder, realizing material recovery and cleaning, reducing waste;

[0020] 2. During the material pushing process, the inner wall of the cylinder is preliminarily cleaned and recycled under the action of the suction mechanism to improve the cleaning efficiency;

[0021] 3. When the guide rod moves up and down, the pressure mechanism cooperates to make the scraper ring and the bladder shrink and expand, ensuring that the work is carried out while reducing the contact time with the cylinder body, thereby reducing wear and ensuring sufficient material pushing and recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of a dual-cylinder dosing machine with automatic recovery and cleaning proposed by the present invention;

[0023] Figure 2 This is a schematic diagram of a partial cross-section of the front view of a dual-cylinder dosing machine with automatic recovery and cleaning proposed by the present invention;

[0024] Figure 3 This is a schematic diagram of a partial cross-section of the quantitative mechanism in a dual-cylinder quantitative machine with automatic recovery and cleaning proposed by the present invention;

[0025] Figure 4 for Figure 3 A magnified view of the structure at point A;

[0026] Figure 5 for Figure 3 A magnified view of the structure at point B in FIG;

[0027] Figure 6 for Figure 3 A magnified view of the structure at C;

[0028] Figure 7 for Figure 3 A magnified view of the structure at point D in the figure.

[0029] In the figure: 1, base; 2, housing; 3, cylinder; 4, support frame; 5, piston; 6, guide rod; 7, scraper ring; 8, guide tube; 9, liquid storage chamber; 10, first ball; 11, placement groove; 12, pipe joint; 13, bracket; 14, three-way joint; 15, first solenoid valve; 16, second solenoid valve; 17, connecting pipe; 18, sleeve; 19, guide groove; 20, second ball; 21, capsule; 22, cavity; 23, cylinder; 231, plug Tube; 24. Sealing block; 25. Sliding rod; 26. Third ball bearing; 27. Hose; 28. Connecting pipe; 29. ​​Sliding mouth; 30. Slot; 31. Groove ring; 32. Bend pipe; 33. Turbine; 34. Rotating shaft; 35. Bushing; 36. First gear; 37. First gear ring; 38. Connecting rod; 39. Main shaft; 40. Impeller; 41. Electrode ring; 42. Storage chamber; 43. Second gear; 44. Second gear ring; 45. Telescopic cylinder; 46. Column. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, what is described is only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] See Figure 1-Figure 7 A dual-cylinder quantitative machine with automatic recycling and cleaning, comprising: a base 1, two sets of quantitative mechanisms and a pipeline assembly, the two sets of quantitative mechanisms are symmetrically arranged on the base 1, and the bottom output ends are both connected to the pipeline assembly;

[0032] The quantitative mechanism includes a housing 2, a cylinder 3, a support 4, a piston 5, a pushing assembly and a cleaning assembly. The support 4 is fixedly mounted on the base 1, the housing 2 is vertically fixedly mounted on the top of the support 4, the cylinder 3 is vertically rotatably sleeved in the housing 2, and the piston 5 is vertically slidably sleeved in the cylinder 3;

[0033] A guide rod 6 is provided on the top of the piston 5, and a cleaning assembly is provided on the bottom side of the guide rod 6;

[0034] The cleaning assembly includes a scraper ring 7 and two conduits 8. The scraper ring 7 is fixedly sleeved on the upper side of the guide rod 6. A liquid storage chamber 9 is opened at the top of the shell 2. The two conduits 8 are fixedly sleeved on the top of the cylinder 3, and the top ends are both located in the liquid storage chamber 9. The top ends of the conduits 8 are bent downward. The rear side of the shell 2 is connected to the external pump device, and the input end of the pump device is connected to the liquid storage chamber 9.

[0035] The pushing assembly is arranged at the top of the guide rod 6 and is used for the up and down movement of the piston 5. The pushing mechanism includes a telescopic cylinder 45 and a plurality of columns 46. The plurality of columns 46 are vertically fixedly mounted on the top of the housing 2. The telescopic cylinder 45 is vertically fixedly mounted on the top of the plurality of columns 46, and the output end is fixedly connected to the top of the guide rod 6.

[0036] A constant temperature mechanism is provided on the side of the shell 2 to ensure a constant temperature inside the quantitative mechanism.

[0037] Each electrical device is powered by an external power supply, and the entire device is controlled by a control terminal. Since the control terminal is a commonly used device and belongs to existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0038] A plurality of first balls 10 are rollingly embedded in the side wall of the guide rod 6, a placement groove 11 is vertically opened on the top of the piston 5, the guide rod 6 is vertically arranged in the placement groove 11, and the plurality of first balls 10 are in rolling contact with the placement groove 11. A sleeve 18 is fixedly installed on the top of the cylinder body 3, and a lead groove 19 is opened on the outside of the guide rod 6. The lead groove 19 is spiral, and a plurality of second balls 20 are roller-embedded on the inner wall of the sleeve 18. The plurality of second balls 20 are all rollingly embedded in the guide groove 19.

[0039] The pipeline assembly includes a pipe joint 12, a bracket 13 and two sets of material guiding components. The bracket 13 is vertically fixedly installed on the base 1. The pipe joint 12 is fixedly sleeved on the bracket 13. The material guiding components include a three-way joint 14, a first solenoid valve 15, a second solenoid valve 16 and a connecting pipe 17. The three-way joint 14 is fixedly embedded in the bottom end of the shell 2, and the top end is rotatably connected to the bottom end of the cylinder body 3. The first solenoid valve 15 is fixedly installed on the side of the three-way joint 14 for fixed connection to the output end of the external feeding equipment. The second solenoid valve 16 is fixedly installed at the bottom end of the three-way joint 14, and the two ends of the connecting pipe 17 are fixedly connected to the second solenoid valve 16 and the pipe joint 12 respectively.

[0040] A capsule 21 is fixedly embedded on the outside of the piston 5, a pressure mechanism is provided in the placement groove 11, a cavity 22 is opened on the inside of the top of the scraper ring 7, and both the capsule 21 and the cavity 22 are connected to the pressure mechanism.

[0041] The pressure mechanism includes a cylinder 23, a sealing block 24, two slide rods 25, two third balls 26, two hoses 27 and two connecting pipes 28. The cylinder 23 is vertically fixedly installed in the piston 5. The sealing block 24 is sealed and vertically slidably sleeved in the cylinder 23. Slide openings 29 are vertically opened on both sides of the cylinder 23. The two slide rods 25 are horizontally symmetrically fixed on both sides of the sealing block 24. The two third balls 26 are respectively rolled and embedded in the outer ends of the two slide rods 25. The inner wall of the bottom end of the guide rod 6 is provided with an annular groove 30. The two third balls 26 are rolled and embedded. It is arranged in the slot 30. With the cooperation of the third ball 26 and the slot 30, the slide rod 25 can move up and down with the guide rod 6, and can also rotate with the cylinder 23. A plug 231 is rotatably installed on the top of the cylinder 23. Two hoses 27 are fixedly sleeved in the scraper ring 7 and the guide rod 6. The two ends of the hoses 27 are respectively fixedly connected to the side of the plug 231 and the inside of the cavity 22. The two connecting pipes 28 are both horizontally fixedly installed in the piston 5. The two ends of the connecting pipes 28 are respectively fixedly connected to the inside of the bottom side of the cylinder 23 and the inside of the capsule 21.

[0042] A suction mechanism is provided on the bottom side of the scraper ring 7, which includes a groove ring 31, multiple groups of guide components and transmission components. The guide components include a bend pipe 32, a turbine 33, a rotating shaft 34 and a sleeve 35. The bend pipe 32 is fixedly sleeved in the scraper ring 7, the sleeve 35 is horizontally fixedly installed on the inner side of the bend pipe 32, the rotating shaft 34 is horizontally rotatably sleeved in the sleeve 35, and the turbine 33 is fixedly sleeved on the end of the rotating shaft 34 located in the bend pipe 32.

[0043] The transmission components include multiple first gears 36, a first gear ring 37 and multiple connecting rods 38. The multiple connecting rods 38 are vertically fixedly installed on the top of the piston 5. The inner wall of the first gear ring 37 is fixedly connected to the top of the multiple connecting rods 38. The multiple first gears 36 are respectively fixedly sleeved on the ends of the multiple rotating shafts 34.

[0044] When using this equipment for quantitative conveying, the external material supply device opens the first solenoid valve 15 and closes the second solenoid valve 16 to supply material to the inside of the cylinder 3, so that the material fills the internal area of ​​the cylinder 3 on the bottom side of the piston 5. Then the first solenoid valve 15 is closed and the second solenoid valve 16 is turned on. The telescopic cylinder 45 extends, driving the guide rod 6 to move downward. The guide rod 6 pushes the piston 5 downward to squeeze out the material, and pushes the material into the pipe joint 12 through the second solenoid valve 16 and the connecting pipe 17 to realize the delivery of the material. Then the telescopic cylinder 45 shortens, driving the guide rod 6 to move upward. At the same time, the first solenoid valve 15 is opened and the second solenoid valve 16 is closed. The feeding device supplies material to the inside of the cylinder 3 to prepare for the next quantitative conveying.

[0045] When the material is extruded and the piston 5 returns, the scraper ring 7 scrapes the inner wall of the cylinder 3 where the material has just been extruded, and gathers the scraped residual material to the bottom side of the scraper ring 7. After the piston 5 reaches the upper limit position, the input end of the conduit 8 contacts the inside of the scraper ring 7, and the external pump device starts to suck, and cleans out the residual material cleaned from the inner wall of the cylinder 3, thereby realizing material recovery and cleaning and reducing waste.

[0046] When pushing and extruding, the guide rod 6 moves downward, driving the third ball 26 and the slide rod 25 downward through the card slot 30, thereby pushing the sealing block 24 downward, and the medium at the bottom side of the sealing block 24 in the cylinder 23 is injected into the sac 21 through the two connecting pipes 28, so that the sac 21 expands and contacts closely with the inner wall of the cylinder 3 to achieve sealing, and the piston 5 moves downward to push the material. Due to the downward movement of the sealing block 24, the space in the area above the sealing block 24 in the cylinder 23 becomes larger, and the medium in the cavity 22 at the top of the scraper ring 7 is extracted through the two hoses 27, so that the top tip of the scraper ring 7 contracts. When the piston 5 moves downward to push, the scraper ring 7 does not work. Contraction can avoid contact with the inner wall of the cylinder 3, thereby reducing wear. When pushing is completed, the guide rod 6 moves upward, driving the sealing block 24 upward, thereby causing the sac 21 to contract, reducing wear between it and the inner wall of the cylinder 3, and the top of the scraper ring 7 is tightened and contacts closely with the inner wall of the cylinder 3 to clean up the residual material.

[0047] When the guide rod 6 moves up and down, the pressure mechanism cooperates to make the scraper ring 7 and the bladder 21 contract and expand, ensuring that the work is carried out while reducing the contact time with the cylinder 3, thereby reducing wear and ensuring sufficient material pushing and recovery.

[0048] When the guide rod 6 moves downward, the sleeve 18 rotates with the cooperation of the lead groove 19 and the second ball 20, and the sleeve 18 drives the cylinder 3 to rotate. As the guide rod 6 moves downward, the capsule 21 expands, so that the piston 5 is fully pressed and contacted with the inner wall of the cylinder 3. The guide rod 6 is supported by multiple first balls 10, and the bottom end moves to the bottom end of the placement groove 11, so that the first gear ring 37 is engaged with multiple first gears 36. As the capsule 21 is fully expanded and fits tightly with the inner wall of the cylinder 3, when pushing the material, the piston 5 will move with the cylinder 3 rotates, thereby driving the first gear ring 37 to rotate through multiple connecting rods 38, and the first gear ring 37 drives multiple first gears 36 to rotate. The first gear 36 drives the turbine 33 to rotate through the rotating shaft 34, so that the turbine 33 produces a suction effect, and the material remaining on the inner wall of the cylinder 3 is introduced into the curved pipe 32, and then transported to the inside of the scraper ring 7. When the guide rod 6 moves upward, the first gear ring 37 is disengaged from the first gear 36, and the turbine 33 does not rotate. At this time, the top of the scraper ring 7 expands and contacts the inner wall of the cylinder 3 to perform scraping, cleaning and recovery.

[0049] During the material pushing process, the inner wall of the cylinder 3 is preliminarily cleaned and recycled under the action of the suction mechanism, thereby improving the cleaning efficiency.

[0050] The two sets of quantitative mechanisms work alternately. When one set pushes the material, the other set feeds the material, which shortens the conveying cycle and improves the packaging efficiency.

[0051] The constant temperature mechanism includes linkage components, multiple main shafts 39, multiple impellers 40 and multiple electrode rings 41. A storage cavity 42 is opened on the inner wall of the shell 2, and the storage cavity 42 is filled with a dielectric liquid. The multiple main shafts 39 are vertically rotatably installed in the storage cavity 42, and the multiple impellers 40 are respectively fixedly sleeved on the multiple main shafts 39. The multiple electrode rings 41 are respectively rotatably sleeved on the top of the multiple main shafts 39. The multiple electrode rings 41 are connected through a circuit, and the main shaft 39 and the impeller 40 are connected to the circuit for heating and constant temperature.

[0052] The linkage component includes multiple second gears 43 and second gear rings 44 . The multiple second gears 43 are fixedly sleeved on the top of the multiple main shafts 39 . The second gear ring 44 is fixedly sleeved on the top of the cylinder body 3 and meshed with the multiple second gears 43 .

[0053] The main shaft 39 and the impeller 40 are both made of resistive materials and can generate heat. An insulating layer is provided in the area where the main shaft 39 contacts the housing 2 , and the second gear 43 is made of insulating material.

[0054] When the cylinder body 3 rotates, it will drive the second gear ring 44 to rotate, and the second gear ring 44 will drive the multiple second gears 43 to rotate, so that the multiple main shafts 39 will drive the impeller 40 located thereon to rotate, fully heating the medium liquid, thereby ensuring that the cylinder body 3 is evenly heated and the quality of material transportation is balanced.

[0055] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A dual-cylinder dosing machine with automatic recovery and cleaning, comprising: A base, two sets of quantitative mechanisms and a pipeline assembly, wherein the two sets of quantitative mechanisms are symmetrically arranged on the base, and the bottom output ends are both connected to the pipeline assembly; The invention is characterized in that the quantitative mechanism comprises a housing, a cylinder, a support, a piston, a pushing assembly and a cleaning assembly, the support is fixedly mounted on the base, the housing is vertically fixedly mounted on the top of the support, the cylinder is vertically rotated and sleeved in the housing, and the piston is vertically slidably sleeved in the cylinder; A guide rod is provided on the top of the piston, and a cleaning assembly is provided on the bottom side of the guide rod; The cleaning assembly includes a scraper ring, which is fixedly sleeved on the upper side of the guide rod; The pushing assembly is arranged at the top of the guide rod and is used for the up and down movement of the piston; A plurality of first balls are rollingly embedded in the side wall of the guide rod, a placement groove is vertically opened on the top of the piston, the guide rod is vertically arranged in the placement groove, and the plurality of first balls are in rolling contact with the placement groove; A capsule is fixedly embedded on the outside of the piston, a pressure mechanism is arranged in the placement groove, a cavity is opened on the inside of the top of the scraper ring, and both the capsule and the cavity are connected to the pressure mechanism; The pressure mechanism includes a cylinder, a sealing block, two sliding rods, two third balls, two hoses and two connecting pipes, the cylinder is vertically fixedly installed in the piston, the sealing block seals and slides vertically in the cylinder, sliding openings are vertically opened on both sides of the cylinder, the two sliding rods are horizontally and symmetrically fixedly installed on both sides of the sealing block, the two third balls are respectively rollingly embedded in the outer ends of the two sliding rods, an annular groove is opened on the inner wall of the bottom end of the guide rod, the two third balls are rollingly embedded in the groove, a cannula is rotatably installed on the top of the cylinder, the two hoses pass through and are fixedly sleeved in the scraper ring and the guide rod, the two ends of the hoses are respectively fixedly connected and communicated with the side of the cannula and the inside of the cavity, the two connecting pipes are both horizontally fixedly installed in the piston, and the two ends of the connecting pipes are respectively fixedly connected and communicated with the inside of the bottom end side of the cylinder and the inside of the sac; During pushing and extrusion, the guide rod moves downward, driving the third ball and the slide rod to move downward through the slot, thereby pushing the sealing block downward, and injecting the medium at the bottom side of the sealing block in the cylinder into the bladder through the two connecting tubes, causing the bladder to expand and closely contact the inner wall of the cylinder to achieve sealing. The piston moves downward to push the material. Due to the downward movement of the sealing block, the space in the area above the sealing block inside the cylinder becomes larger, and the medium in the cavity at the top of the scraper ring is extracted through the two hoses, causing the tip of the scraper ring to shrink, avoiding contact with the inner wall of the cylinder and reducing wear. When pushing is completed, the guide rod moves upward, driving the sealing block to move upward, causing the bladder to shrink, reducing wear between the inner wall of the cylinder and the top of the scraper ring tightens and closely contacts the inner wall of the cylinder to clean up the residual material.

2. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 1, characterized in that: A sleeve is fixedly mounted on the top of the cylinder body, a guide groove is provided on the outside of the guide rod, the guide groove is spiral, a plurality of second balls are embedded in the inner wall of the sleeve, and the plurality of second balls are all rolled and embedded in the guide groove.

3. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 1, characterized in that: The pipeline assembly includes a pipe joint, a bracket and two groups of material guiding components. The bracket is vertically fixedly installed on the base, and the pipe joint is fixedly sleeved on the bracket. The material guiding component includes a three-way joint, a first solenoid valve, a second solenoid valve and a connecting pipe. The three-way joint is fixedly embedded in the bottom end of the shell, and the top end is rotatably connected to the bottom end of the cylinder body. The first solenoid valve is fixedly installed on the side of the three-way joint for fixed connection with the output end of the external feeding equipment. The second solenoid valve is fixedly installed at the bottom end of the three-way joint. The two ends of the connecting pipe are respectively fixedly connected and conducted with the second solenoid valve and the pipe joint.

4. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 1, characterized in that: A suction mechanism is provided on the bottom side of the scraper ring, and the suction mechanism includes a groove ring, multiple groups of guide components and transmission components. The guide components include a bent pipe, a turbine, a rotating shaft and a sleeve. The bent pipe is fixedly sleeved in the scraper ring, and the sleeve is horizontally fixedly installed on the inner side of the bent pipe. The rotating shaft is horizontally rotatably sleeved in the sleeve, and the turbine is fixedly sleeved on the end of the rotating shaft located in the bent pipe.

5. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 4, characterized in that: The transmission component includes multiple first gears, a first gear ring and multiple connecting rods. The multiple connecting rods are vertically fixedly installed on the top of the piston. The inner wall of the first gear ring is fixedly connected to the top of the multiple connecting rods. The multiple first gears are respectively fixedly sleeved on the ends of the multiple rotating shafts.

6. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 5, characterized in that: The cleaning assembly also includes two catheters, a liquid storage cavity is opened at the top of the shell, the two catheters are fixedly mounted on the top of the cylinder body, and the top ends are both located in the liquid storage cavity, the top ends of the catheters are both bent downward, the rear side of the shell is connected to the external pump body device, and the input end of the pump body device is connected to the liquid storage cavity.

7. The automatic recycling and cleaning dual-cylinder quantitative machine according to claim 1, characterized in that: The side of the shell is provided with a constant temperature mechanism for ensuring a constant temperature inside the quantitative mechanism.

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