Sponge sorting machine

Abstract

The present invention relates to a sponge sorting machine, which includes a material picking and discharging mechanism and a moving mechanism. The material picking and discharging mechanism is installed on the moving mechanism. The material picking and discharging mechanism includes a main cylinder, an auxiliary cylinder, a connecting plate, a lifting plate, a pressing plate, and a plug rod. The main cylinder is installed on the connecting plate. The telescopic rod at the lower end of the main cylinder passes through the front end of the connecting plate and is connected to the lifting plate. Auxiliary cylinders are also installed on both sides of the lifting plate. The telescopic rods at the lower ends of the two auxiliary cylinders pass through both sides of the lifting plate and are connected to both sides of the pressing plate. The plug rod is installed in the middle position below the lifting plate. A through hole is opened in the middle of the pressing plate, and the plug rod passes through the through hole. The upper end or middle end of the main cylinder is connected to the moving mechanism. The advantages are ingenious design and easy use. The main cylinder controls the plug rod to put a stack of cut sponge blocks on at one time, and can effectively sort a stack of cut small sponge blocks at one time, which is efficient and saves manpower.

Description

Technical Field

[0001] The invention relates to the technical field of sponge production machinery, and in particular to a sponge sorting machine. Background Art

[0002] In the past, after the sponge was produced, it needed to be automatically cut and shaped by a sponge cutting machine. The computer calculated how a sponge block of known size should be cut and arranged, and then the sponge cutting machine automatically cut it according to the arrangement. After cutting, several small finished blocks of various shapes were formed. In addition, a stack of sponges was cut and shaped, so that each upper and lower area was a stack of products of the same size, and finally they were sorted and discharged manually. Manual sorting and discharge were inefficient, and a stack of sponges cut and shaped was more difficult to move. At present, some machines cannot easily take out the cut stacks of sponge blocks from a large sponge at one time. Summary of the invention

[0003] In order to solve the above technical problems, the present invention proposes a sponge sorting machine, which is cleverly designed and easy to use. It can effectively sort a stack of cut small sponge blocks at a time, has high efficiency and saves manpower.

[0004] The technical solution of the present invention:

[0005] A sponge sorting machine comprises a material picking and discharging mechanism and a moving mechanism. The material picking and discharging mechanism is installed on the moving mechanism. The material picking and discharging mechanism comprises a main cylinder, an auxiliary cylinder, a connecting plate, a lifting plate, a pressing plate and an insert rod. The main cylinder is installed on the connecting plate. The telescopic rod at the lower end of the main cylinder penetrates the front end of the connecting plate and is connected to the lifting plate. Auxiliary cylinders are also installed on both sides of the lifting plate. The telescopic rods at the lower ends of the two auxiliary cylinders penetrate the two sides of the lifting plate and are connected to the two sides of the pressing plate. The insert rod is installed in the middle position below the lifting plate. A through hole is opened in the middle of the pressing plate, and the insert rod passes through the through hole. The upper end or middle end of the main cylinder is connected to the moving mechanism.

[0006] The lower end of the telescopic rod of the main cylinder is also fixedly connected to a core rod cylinder, and the lower end of the core rod cylinder is installed in the middle of the lifting plate. The insertion rod is designed to be a hollow insertion rod and a core rod is slidably installed inside. The upper end of the core rod is connected to the telescopic rod of the core rod cylinder, and two sliding grooves are respectively opened on both sides of the insertion rod near the lower end. An upper connecting rod and a lower connecting rod are respectively designed in each sliding groove. The upper end of the upper connecting rod is rotatably installed at the upper end of the sliding groove, and the lower end of the upper connecting rod is rotatably connected to the upper end of the lower connecting rod. A sliding block is also installed at the lower end of the core rod, and the two ends of the sliding block are respectively slidably installed in the sliding grooves on both sides, and the lower end of the lower connecting rod is rotatably installed in the middle of the two ends of the sliding block.

[0007] The lower end of the insert rod is designed to be in a pointed cone shape.

[0008] The material picking and discharging mechanism is designed as two groups of material picking and discharging mechanisms, and the two groups of material picking and discharging mechanisms are controlled and connected by servo motor mechanisms respectively. The servo motor mechanism includes an upper left plate, a lower left plate, an upper right plate, a lower right plate, an upper servo motor, and a lower servo motor. The ends on the same side of the upper left plate and the lower left plate are respectively connected to the main cylinder on the left side, and the ends on the same side of the upper right plate and the lower right plate are respectively connected to the main cylinder on the right side. Flanges are fixedly installed on the output end shafts of the upper servo motor and the lower servo motor, and positioning sleeves are designed on the outside of the flanges. The other side end of the upper left plate is rotatably installed on the outside of the positioning sleeve below the flange at the lower end of the upper servo motor, the other side end of the upper right plate is fixedly installed above the flange at the lower end of the upper servo motor, and the other side end of the lower right plate is rotatably installed on the outside of the positioning sleeve above the flange at the upper end of the upper servo motor, and the other side end of the lower left plate is fixedly installed below the flange at the upper end of the lower servo motor. The upper servo motor and the lower servo motor are designed and installed symmetrically up and down.

[0009] A guide rod and a guide sleeve are also designed on the rear side of the master cylinder. The upper end of the guide sleeve is installed on the same side of the upper left plate and the lower left plate or on the same side of the upper right plate and the lower right plate and is installed close to the master cylinder. The lower end of the guide sleeve is fixed on the connecting plate. The guide rod is installed in the guide sleeve and the lower end of the guide rod passes through the connecting plate and is connected to the lifting plate.

[0010] The moving mechanism described is a mechanical arm or a slide moving mechanism, the slide moving mechanism includes a vertical support frame, a transverse slide, a slide rail, a slider, a skateboard, a driving motor, a driving wheel, a tensioning wheel, a belt, and a conveying platform. Two vertical support frames are respectively installed on both sides of the conveying platform, and the upper ends of the two vertical support frames are respectively connected to the outer side of the transverse slide, and the inner side of the transverse slide is designed with upper and lower horizontal slide rails, the driving motor is installed on the outer side of the skateboard, and two rows of sliders are respectively installed on the upper and lower sides of the inner side of the skateboard. The two rows of sliders are respectively slidably installed on the upper and lower horizontal slide rails, and a driving wheel is installed at the lower end of the driving motor. The belt is a section of belt, and both ends of the belt are fixedly installed at the two end positions of the inner side of the transverse slide. A long groove is opened in the middle of the skateboard, and a tensioning wheel is respectively installed at the two ends of the long groove. The belt passes around from the inner side of the two tensioning wheels and finally passes around from the outer side of the driving wheel.

[0011] The conveying platform comprises a conveying rotating table top, on which a plurality of rows of bristle bricks are arranged.

[0012] A horizontal plate is installed at the upper and lower positions of the outer side of the skateboard, the other end of the upper horizontal plate is correspondingly connected to the bottom of the upper servo motor of the servo motor mechanism, and the other end of the lower horizontal plate is correspondingly connected to the top of the lower servo motor of the servo motor mechanism; the driving motor is installed on the upper horizontal plate, the driving wheel is installed on the rotating shaft, the upper and lower ends of the rotating shaft are respectively rotatably installed on the upper and lower horizontal plates, and the lower end of the driving motor is drivingly connected to the upper end of the rotating shaft.

[0013] The lower ends of the vertical support frames are slidably mounted on both sides of the conveying platform.

[0014] The conveying platform is also designed with a conveying discharge platform on both sides, and the two ends of the transverse slide are designed to extend above the conveying discharge platform on the corresponding side.

[0015] The upper servo motor and the lower servo motor are installed on the same axis.

[0016] The rotation centers of the upper left plate, the lower left plate, the upper right plate and the lower right plate are on the same axis.

[0017] The invention has the advantages of clever design and convenient use. The main cylinder controls the insertion rod to thread a stack of cut sponge blocks at a time, and can effectively sort a stack of cut small sponge blocks at a time, which is highly efficient and saves manpower. The two sets of material taking and discharging mechanisms are used in conjunction to effectively adjust the distance between the two insertion rods, and can effectively thread a stack of large block products. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the present invention.

[0019] Figure 2 It is a schematic diagram of the material taking and discharging mechanism of the present invention.

[0020] Figure 3 yes Figure 2 A partially enlarged schematic diagram.

[0021] Figure 4 It is a partial schematic diagram of the state in which the lower end of the insertion rod of the present invention forms an inverted tooth.

[0022] Figure 5 yes Figure 4 Schematic cross-sectional view of .

[0023] Figure 6 It is a structural schematic diagram of two groups of material taking and discharging mechanisms of the present invention.

[0024] Figure 7 It is a partial schematic diagram of the slide moving mechanism of the present invention.

[0025] Figure 8 It is a schematic side view of the slide moving mechanism of the present invention.

[0026] Fig. 9 It is a partial cross-sectional view of the flanges of two sets of material taking and discharging mechanisms of the present invention.

[0027] Fig.10 It is a cross-sectional view of the conveying platform of the present invention.

[0028] Fig.11 yes Fig.10 A partial enlarged view of . DETAILED DESCRIPTION

[0029] See attached Figure 1-11 A sponge sorting machine comprises a material picking and discharging mechanism 1 and a moving mechanism. The material picking and discharging mechanism 1 is installed on the moving mechanism. The material picking and discharging mechanism 1 comprises a main cylinder 11, an auxiliary cylinder 12, a connecting plate 13, a lifting plate 14, a pressing plate 15, and an insert rod 16. The main cylinder 11 is installed on the connecting plate 13. The telescopic rod at the lower end of the main cylinder 11 penetrates the front end of the connecting plate 13 and is connected to the lifting plate 14. Auxiliary cylinders 12 are also installed on both sides of the lifting plate 14. The telescopic rods at the lower ends of the two auxiliary cylinders 12 penetrate the two sides of the lifting plate 14 and are connected to the two sides of the pressing plate 15. The insert rod 16 is installed in the middle position below the lifting plate 14. A through hole is opened in the middle of the pressing plate 15, and the insert rod 16 passes through the through hole. The upper end or middle end of the main cylinder 11 is connected to the moving mechanism.

[0030] The lower end of the telescopic rod of the main cylinder 11 is also fixedly connected to a core rod cylinder 17, and the lower end of the core rod cylinder 17 is installed on the middle of the lifting plate 14. The insertion rod 16 is designed as a hollow insertion rod 16 and a core rod 18 is slidably installed inside. The upper end of the core rod 18 is connected to the telescopic rod of the core rod cylinder 17, and two slide grooves 4 are respectively opened on both sides of the insertion rod 16 near the lower end. An upper connecting rod 19 and a lower connecting rod 20 are respectively designed in each slide groove 4. The upper end of the upper connecting rod 19 is rotatably installed on the upper end of the slide groove 4, and the lower end of the upper connecting rod 19 is rotatably connected to the upper end of the lower connecting rod 20. A slider 5 is also installed at the lower end of the core rod 18, and the two ends of the slider 5 are respectively slidably installed in the slide grooves 4 on both sides, and the lower end of the lower connecting rod 20 is rotatably installed in the middle of the two ends of the slider 5.

[0031] The lower end of the insert rod 16 is designed to be in a pointed cone shape.

[0032] The material picking and discharging mechanism 1 is designed as two groups of material picking and discharging mechanisms 1, and the two groups of material picking and discharging mechanisms 1 are controlled and connected by servo motor mechanisms respectively. The servo motor mechanism includes a left upper plate 21, a left lower plate 22, a right upper plate 23, a right lower plate 24, an upper servo motor 25, and a lower servo motor 26. The ends of the same side of the left upper plate 21 and the left lower plate 22 are respectively connected to the main cylinder 11 on the left side, and the ends of the same side of the right upper plate 23 and the right lower plate 24 are respectively connected to the main cylinder 11 on the right side. Flanges are fixedly installed on the output end rotating shafts of the upper servo motor 25 and the lower servo motor 26. 6 and a positioning sleeve 7 is designed on the outer side of the flange (the tension sleeve is used to fix the rotating shaft and the flange), the other side end of the left upper plate 21 is rotatably mounted on the outer side of the positioning sleeve 7 below the flange 6 at the lower end of the upper servo motor 25, the other side end of the right upper plate 23 is fixedly mounted above the flange 6 at the lower end of the upper servo motor 25, the other side end of the right lower plate 24 is rotatably mounted on the outer side of the positioning sleeve 7 above the flange 6 at the upper end of the upper servo motor 25, the other side end of the left lower plate 22 is fixedly mounted below the flange 6 at the upper end of the lower servo motor 26, and the upper servo motor 25 and the lower servo motor 26 are designed and installed symmetrically up and down. The positioning sleeve 7 and the flange 6 are integrally formed, the upper left plate 21 or the lower right plate 24 is rotatably mounted on the outside of the positioning sleeve 7 through the bearing 9, the lower left plate 22 or the upper right plate 23 is fixed to the flange 6 through bolts, and the tensioning sleeve 8 fixes the flange 6 on the output end shaft of the upper servo motor 25 or the lower servo motor 26, so that the upper servo motor 25 rotates to drive the right-side material picking and discharging mechanism to rotate and adjust, and the lower servo motor 26 rotates to drive the left-side material picking and discharging mechanism to rotate and adjust.

[0033] A guide rod 27 and a guide sleeve 28 are also designed on the rear side of the master cylinder 11. The upper end of the guide sleeve 28 is installed on the same side of the left upper plate 21 and the left lower plate 22 or on the same side of the right upper plate 23 and the right lower plate 24 and is installed close to the master cylinder 11. The lower end of the guide sleeve 28 is fixed on the connecting plate 13. The guide rod 27 is installed in the guide sleeve 28 and the lower end of the guide rod 27 passes through the connecting plate 13 and is connected to the lifting plate 14.

[0034] The moving mechanism is a mechanical arm or a slide moving mechanism 2, which includes a vertical support frame 29, a horizontal slide 30, a slide rail 31, a slider 39, a slide plate 32, a drive motor 33, a driving wheel 34, a tensioning wheel 35, a belt 36, and a conveying platform 37. Two vertical support frames 29 are respectively installed on both sides of the conveying platform 37. The upper ends of the two vertical support frames 29 are respectively connected to the outer sides of the horizontal slide 30. The inner side of the horizontal slide 30 is designed with two upper and lower horizontal slide rails 31. The drive motor 33 is installed It is installed on the outside of the slide plate 32, and two rows of sliders 39 are installed on the upper and lower inner sides of the slide plate 32 respectively. The two rows of sliders 39 are slidably installed on the upper and lower horizontal slide rails 31 respectively. A driving wheel 34 is installed at the lower end of the driving motor 33. The belt 36 is a section of belt 36. Both ends of the belt 36 are fixedly installed at the two ends of the inner side of the horizontal slide 30. A long groove is opened in the middle of the slide plate 32, and a tensioning wheel 35 is installed at both ends of the long groove. The belt 36 passes around from the inside of the two tensioning wheels 35 and finally passes around from the outside of the driving wheel 34.

[0035] The conveying platform 37 comprises a conveying rotating table, on which a plurality of rows of bristle bricks are evenly mounted.

[0036] A transverse plate 38 is installed at the upper and lower positions of the outer side of the skateboard 32, the other end of the upper transverse plate 38 is correspondingly connected to the lower side of the upper servo motor 25 of the servo motor mechanism, and the other end of the lower transverse plate 38 is correspondingly connected to the upper side of the lower servo motor 26 of the servo motor mechanism; the drive motor 33 is installed on the upper transverse plate 38, the driving wheel 34 is installed on the rotating shaft, the upper and lower ends of the rotating shaft are respectively rotatably installed on the upper and lower transverse plates 38, and the lower end of the drive motor 33 is drivingly connected to the upper end of the rotating shaft.

[0037] The lower ends of the vertical support frames 29 are slidably mounted on both sides of the conveying platform 37 .

[0038] The two sides of the conveying platform 37 are respectively designed with a conveying and discharging platform 3, and the two ends of the transverse slide 30 are respectively designed to extend above the conveying and discharging platform 3 on the corresponding side.

[0039] The upper servo motor 25 and the lower servo motor 26 are installed on the same axis. The advantage of installing on the same axis is that the upper left plate 21, the lower left plate 22, the upper right plate 23 and the lower right plate 24 rotate concentrically to form a concentric swing arm, which can adjust the spacing and the angle at the same time.

[0040] The rotation centers of the upper left plate, lower left plate, upper right plate and lower right plate are on the same axis. The upper left plate 21, lower left plate 22, upper right plate 23 and lower right plate 24 rotate concentrically to form a concentric swing arm, which can adjust the spacing and the angle at the same time.

[0041] When the present invention is in use, the main cylinder 11 of the material picking and discharging mechanism 1 controls the lifting plate 14 to descend, and the insertion rod 16 at the lower end of the lifting plate 14 penetrates the sponge block below. After penetration, the main cylinder 11 drives it to rise, and a stack of sponge blocks are taken out as a whole from the original large sponge block, and then the entire material picking and discharging mechanism 1 is translated to the top of the conveying and discharging platform 3 with the sponge through the moving mechanism, and the main cylinder 11 controls the lifting plate 14 to descend again, so that the stack of sponge blocks penetrated below is located above the conveying and discharging platform 3, and the main cylinder 11 controls the lifting plate 14 to return. At this time, the auxiliary cylinders 12 on both sides of the lifting plate 14 begin to extend, and the active cylinder controls the insertion rod 16 to be retracted, and the two auxiliary cylinders 12 control the pressing plate 15 to press the sponge block down, so that the insertion rod 16 is pulled out from the sponge block, and a stack of sponge blocks falls on the conveying and discharging platform 3, completing the discharging, and the auxiliary cylinder 12 is reset, and the moving mechanism controls the return of the material picking and discharging mechanism 1 to perform the next material picking and discharging operation.

[0042] In order to prevent the sponge from being too heavy and the insertion rod 16 from being unable to wear the sponge block by relying on the friction of the sponge, the present invention also designs a core rod 18, a slide groove, a slider, an upper connecting rod 19 and a lower connecting rod 20 in the insertion rod 16. The core rod cylinder 17 controls the contraction of the core rod 18, and the lower end of the core rod 18 moves upward in the slide groove with the slider. Under the contraction action, the upper connecting rod 19 and the lower connecting rod 20 will be stretched outward, and finally form a reverse tooth, and two reverse teeth are formed on both sides of the insertion rod 16, so that it can be hung under the sponge block through the reverse tooth hook to prevent the sponge block from falling off the insertion rod 16 due to its excessive weight. When discharging the material, it is only necessary to control the extension of the core rod 18 by the core rod cylinder 17, and the lower end of the core rod 18 drives the slider to slide, so that the upper connecting rod 19 and the lower connecting rod 20 are retracted inward into the slide groove, so that there will be no reverse tooth blocking when the insertion rod 16 is pulled out, and the material can be discharged according to the above steps.

[0043] In actual operation, some cut and formed sponge blocks have irregular structures and are relatively large, and one insertion rod 16 cannot safely and effectively retrieve and discharge materials. The present invention is designed to be used with two retrieval and discharge mechanisms 1. Each retrieval and discharge mechanism 1 controls its overall rotation through a servo motor, so that the positions and angles of the two insertion rods 16 inserted into the same sponge block can be adjusted to ensure that the center of gravity does not shift during the retrieval and discharge process, and the center of gravity is stable. The two insertion rods 16 together can retrieve and discharge materials more safely and reliably without damaging the sponge.

[0044] The mobile mechanism for picking up and discharging materials in the present invention can be a mechanical arm in cooperation with a conveying platform 37, the mechanical arm is installed on one side of the conveying platform 37, and a discharging conveying platform 37 is installed on the other side of the mechanical arm, and the mechanical arm controls the insertion rod 16 to pick up and discharge materials in combination with the main cylinder 11; the slide moving mechanism 2 in the present invention can also be used, and the picking up and discharging mechanism 1 can slide left and right on the horizontal slide 30 as a whole, and the belt 36 driven by the servo motor drives the slide plate 32 to slide on the horizontal slide 30. The present invention also designs that the vertical support frame 29 of the slide moving mechanism 2 can slide on both sides of the conveying platform 37, so that the picking up and discharging mechanism 1 can move forward and backward, and the sponge block on the conveying platform 37 can be accurately and quickly punctured and picked up. The sliding method also adopts a driving wheel installed at the lower end of a servo motor, and the servo motor is installed at the lower end of the vertical support frame 29. Slide rails 31 are respectively installed at the upper and lower positions on both sides of the conveying platform 37, and sliders are respectively installed at the upper and lower positions on the inner side of the vertical support frame 29. The sliders are slidably matched on the slide rails 31. The belt 36 is a section of belt 36 and both ends of the belt 36 are installed at the ends on both sides of the conveying platform 37. The belt 36 bypasses from the outside of the driving wheel. A tensioning wheel 35 is designed on both sides of the outer side of the driving wheel near the conveying platform 37 and is pressed against the outside of the belt 36. The two ends of the belt 36 are fixed. The servo motor controls the rotation of the driving wheel, and the driving wheel walks on the belt 36, so that the vertical support frame 29 can slide back and forth. The sliding mechanism of the vertical support frame 29 is the same as the sliding mechanism of the material picking and discharging mechanism 1 on the horizontal slide 30.

[0045] A plurality of rows of bristle bricks 370 are evenly installed on the conveying rotating table surface on the conveying platform 37 of the present invention. In the past, the conveying platform 37 was conveyed by a conveyor belt. However, in the present invention, due to the design of the insertion rod 16, in order to cooperate with the insertion rod 16, the present invention replaces the previous conveyor belt with a conveying chain plate and a plurality of rows of bristle bricks are evenly installed on the conveying chain plate. During transportation, the sponge block is located above the bristle brick, so that the bottom tip of the insertion rod 16 is inserted into the bristle brick and does not contact the conveying chain plate 371. The inverted teeth formed in the bristles of the bristle brick 370 will not hook the bristles. It effectively cooperates with the insertion rod 16 to penetrate the material and hook the bottom of the sponge block without damaging the conveying device, which is safe and reliable. The bristle brick 370 is generally made of rubber, and the bottom is a rubber plate. The rubber plate is designed with a uniform layer of rubber bristles 373, and the bristles stand upright on the rubber plate. The rubber plate 374 is evenly installed in rows on the conveying chain plate 371. The conveying chain plate rotates and drives the bristle brick to rotate together, so the insertion of the rod 16 into the bristle will not damage the bristle. Similarly, the inverted teeth will not hook on the bristle 373 during the formation process.

Claims

1. Sponge sorting machine, characterized in that, The material picking and discharging mechanism comprises a material picking and discharging mechanism and a moving mechanism. The material picking and discharging mechanism is installed on the moving mechanism. The material picking and discharging mechanism comprises a main cylinder, an auxiliary cylinder, a connecting plate, a lifting plate, a pressing plate and an insert rod. The main cylinder is installed on the connecting plate. The telescopic rod at the lower end of the main cylinder passes through the front end of the connecting plate and is connected to the lifting plate. Auxiliary cylinders are also installed on both sides of the lifting plate. The telescopic rods at the lower ends of the two auxiliary cylinders pass through both sides of the lifting plate and are connected to both sides of the pressing plate. The insert rod is installed in the middle position below the lifting plate. A through hole is opened in the middle of the pressing plate, and the insert rod passes through the through hole. The moving mechanism is connected at the upper end or middle end of the main cylinder. The material picking and discharging mechanism is designed as two groups of material picking and discharging mechanisms. The two groups of material picking and discharging mechanisms are connected by controlling the servo motor mechanism respectively. The servo motor mechanism comprises an upper left plate, a lower left plate and an upper right plate. Plate, right lower plate, upper servo motor, lower servo motor, the ends on the same side of the upper left plate and the lower left plate are respectively connected to the main cylinder on the left, the ends on the same side of the upper right plate and the lower right plate are respectively connected to the main cylinder on the right, flanges are fixedly installed on the output end shafts of the upper servo motor and the lower servo motor, and positioning sleeves are designed on the outside of the flanges, the other end of the upper left plate is rotatably installed on the outside of the positioning sleeve below the flange at the lower end of the upper servo motor, the other end of the upper right plate is fixedly installed above the flange at the lower end of the upper servo motor, the other end of the lower right plate is rotatably installed on the outside of the positioning sleeve above the flange at the upper end of the upper servo motor, the other end of the lower left plate is fixedly installed under the flange at the upper end of the lower servo motor, and the upper servo motor and the lower servo motor are designed and installed symmetrically up and down; the lower end of the plug rod is designed to be a pointed cone.

2. The sponge sorting machine according to claim 1, characterized in that: The lower end of the telescopic rod of the main cylinder is also fixedly connected to a core rod cylinder, and the lower end of the core rod cylinder is installed in the middle of the lifting plate. The insertion rod is designed to be a hollow insertion rod and a core rod is slidably installed inside. The upper end of the core rod is connected to the telescopic rod of the core rod cylinder, and two sliding grooves are respectively opened on both sides of the insertion rod near the lower end. An upper connecting rod and a lower connecting rod are respectively designed in each sliding groove. The upper end of the upper connecting rod is rotatably installed at the upper end of the sliding groove, and the lower end of the upper connecting rod is rotatably connected to the upper end of the lower connecting rod. A sliding block is also installed at the lower end of the core rod, and the two ends of the sliding block are respectively slidably installed in the sliding grooves on both sides, and the lower end of the lower connecting rod is rotatably installed in the middle of the two ends of the sliding block.

3. The sponge sorting machine according to claim 1, characterized in that: A guide rod and a guide sleeve are also designed on the rear side of the master cylinder. The upper end of the guide sleeve is installed on the same side of the upper left plate and the lower left plate or on the same side of the upper right plate and the lower right plate and is installed close to the master cylinder. The lower end of the guide sleeve is fixed on the connecting plate. The guide rod is installed in the guide sleeve and the lower end of the guide rod passes through the connecting plate and is connected to the lifting plate.

4. The sponge sorting machine according to claim 1, 2 or 3, characterized in that: The moving mechanism is a mechanical arm or a slide moving mechanism, the slide moving mechanism includes a vertical support frame, a transverse slide, a slide rail, a slider, a skateboard, a driving motor, a driving wheel, a tensioning wheel, a belt, and a conveying platform. Two vertical support frames are respectively installed on both sides of the conveying platform, and the upper ends of the two vertical support frames are respectively connected to the outer side of the transverse slide, and the inner side of the transverse slide is designed with upper and lower horizontal slide rails, the driving motor is installed on the outer side of the skateboard, and two rows of sliders are respectively installed on the upper and lower sides of the inner side of the skateboard. The two rows of sliders are respectively slidably installed on the upper and lower horizontal slide rails, and a driving wheel is installed at the lower end of the driving motor. The belt is a section of belt, and both ends of the belt are fixedly installed at the two end positions of the inner side of the transverse slide. A long groove is opened in the middle of the skateboard, and a tensioning wheel is respectively installed at the two ends of the long groove. The belt passes around from the inner side of the two tensioning wheels and finally passes around from the outer side of the driving wheel; the conveying platform includes a conveying rotating table top, and a plurality of rows of bristle bricks are designed on the conveying rotating table top.

5. The sponge sorting machine according to claim 4, characterized in that: A horizontal plate is installed at the upper and lower positions of the outer side of the skateboard, the other end of the upper horizontal plate is correspondingly connected to the bottom of the upper servo motor of the servo motor mechanism, and the other end of the lower horizontal plate is correspondingly connected to the top of the lower servo motor of the servo motor mechanism; the driving motor is installed on the upper horizontal plate, the driving wheel is installed on the rotating shaft, the upper and lower ends of the rotating shaft are respectively rotatably installed on the upper and lower horizontal plates, and the lower end of the driving motor is drivingly connected to the upper end of the rotating shaft.

6. The sponge sorting machine according to claim 4, characterized in that: The lower ends of the vertical support frames are slidably mounted on both sides of the conveying platform; both sides of the conveying platform are also respectively designed with conveying discharge platforms, and both ends of the horizontal slide are respectively designed to extend above the conveying discharge platforms on the corresponding sides.

7. The sponge sorting machine according to claim 1, characterized in that: The upper servo motor and the lower servo motor are installed on the same axis.

8. The sponge sorting machine according to claim 1, characterized in that: The rotation centers of the upper left plate, the lower left plate, the upper right plate and the lower right plate are on the same axis.

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