Polishing device for marmite

Abstract

The invention relates to the technical field of polishing, and discloses a marmite polishing device which comprises a box body, an opening is formed in the side wall of the box body, and a sealing block is detachably connected to the opening; a base, a guide block and an inclined groove are arranged in the box body, a rotating shaft is rotationally connected to the base, a placement table is arranged on the rotating shaft, and a positioning mechanism for positioning a marmite is arranged on the placement table; a lifting block is vertically and slidably connected to the guide block, a transverse block is transversely and slidably connected to the lifting block, and an arc-shaped grinding block is arranged on the transverse block; a side block is slidably connected into the inclined groove and fixedly connected with the transverse block. And the driving mechanism is used for driving the lifting block to do vertical reciprocating motion. According to the scheme, the problem that an existing special grinding machine cannot comprehensively grind the surface of the marmite is mainly solved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding, and in particular to a grinding device for a casserole. Background Art

[0002] Clay pots include cast iron casseroles and ceramic casseroles. Cast iron casseroles are mainly made of cast iron, which has uniform and long-lasting heat conduction, is suitable for long-term slow cooking and stewing, and can maintain the moisture and nutrition of food. Most of the existing grinding devices on the market can only grind flat surfaces. Once they encounter curved surfaces, they cannot fit the surface of the casserole well for grinding, and the grinding effect is poor. Manual secondary grinding is required, which has high labor intensity and low work efficiency.

[0003] To solve the above problems, Chinese patent publication number CN220241030U discloses a special machine for grinding special-shaped casseroles, comprising a base, a connecting plate fixedly connected to the top rear side of the base, a top plate fixedly connected to the top of the connecting plate, a motor fixedly connected to the top of the top plate, a fixing plate fixedly connected to the output end of the motor, an electric push rod fixedly connected to the bottom of the fixing plate, a mounting plate fixedly connected to the bottom of the electric push rod, a rotating shaft rotatably connected to the surface of the rotating shaft with a curved rod, a limiting spring fixedly connected to the top of the curved rod, and a grinding block fixedly connected to the bottom of the curved rod; the special grinding machine can drive the grinding block to fit tightly on the special-shaped surface of the casserole for grinding, thereby enhancing the grinding effect, improving work efficiency, and avoiding manual secondary grinding.

[0004] The above-mentioned grinding machine has the following problems during actual use: the grinding block can move downward in the vertical direction, and thus can grind different positions of the casserole, but the grinding block is disc-shaped, so that the contact surface between the grinding block and the casserole is point contact. When the surface position of the casserole and the vertical distance between the mounting seat are equal to the radius of the grinding block, the grinding block cannot continue to move downward, and thus cannot continue to grind the casserole, that is, the surface of the casserole cannot be fully polished. Summary of the invention

[0005] The present invention aims to provide a grinding device for a clay pot, so as to solve the problem that the existing grinding machine cannot fully grind the surface of the clay pot.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a grinding device for a clay pot, comprising a box body, an opening is provided on the side wall of the box body, and a sealing block is detachably connected to the opening; a base, a guide block and an inclined groove are provided in the box body, a rotating shaft is rotatably connected to the base, a placing table is provided on the rotating shaft, and a positioning mechanism for positioning the clay pot is provided on the placing table; a lifting block is vertically slidably connected to the guide block, a transverse block is horizontally slidably connected to the lifting block, and an arc-shaped grinding block is provided on the transverse block; a side block is slidably connected in the inclined groove, and the side block is fixedly connected to the transverse block; and also includes a driving mechanism for driving the lifting block to vertically reciprocate.

[0007] The principles and advantages of this solution are: this solution uses a positioning mechanism to position the cast iron casserole upside down on the placement table, and uses a driving mechanism to drive the lifting block to reciprocate vertically, the lifting block drives the lateral block to move synchronously, and the lateral block drives the side block to move along the path of the inclined groove, so that the lateral block can also move laterally. Therefore, the lateral block can also move laterally during the vertical movement, so that the lateral block drives the arc-shaped grinding block to always be against the outer wall of the cast iron casserole; compared with the prior art, the arc-shaped grinding block of this solution can be completely fitted with the outer wall of the cast iron casserole, that is, the two are in surface contact, and the outer wall of the cast iron casserole can be fully polished, and the polishing effect is better.

[0008] Furthermore, the driving mechanism includes a circular shaft and a driving part for driving the circular shaft to rotate. A first cylindrical cam is coaxially connected to the circular shaft. A first curved groove is provided on the cylindrical cam. A first auxiliary block is slidably connected in the first curved groove. The first auxiliary block is fixedly connected to the lifting block.

[0009] Through the above arrangement, the driving part drives the circular shaft to rotate, the circular shaft drives the first cylindrical cam to rotate, and the first cylindrical cam drives the lifting block to reciprocate vertically through the first curved groove and the first auxiliary block.

[0010] Furthermore, a driving sprocket is coaxially connected to the circular shaft, a driven sprocket is coaxially connected to the rotating shaft, and an annular chain is sleeved between the driving sprocket and the driven sprocket.

[0011] Through the above arrangement, during the rotation of the circular shaft, the circular shaft drives the active sprocket to rotate, the active sprocket drives the driven sprocket to rotate through the annular chain, the driven sprocket drives the rotating shaft to rotate, the rotating shaft drives the placement table to rotate, and then drives the cast iron casserole to rotate, and the outer wall of the cast iron casserole is polished by the arc-shaped polishing block, the polishing effect is better, and the work efficiency is higher.

[0012] Furthermore, the positioning mechanism includes top grooves opened on both sides of the placement table surface, the top grooves are slidably connected with limit blocks, and also includes an adjustment part for adjusting the distance between the two limit blocks.

[0013] Through the above arrangement, the distance between the two limit blocks is adjusted through the adjustment part, so that the two limit blocks are moved away from each other, so that the two limit blocks are respectively against the inner walls on both sides of the cast iron casserole, thereby realizing the positioning of the cast iron casserole.

[0014] Furthermore, the adjustment part includes a chamber opened inside the placement table and a bidirectional screw rotatably connected to the placement table. The chamber is communicated with the top groove, and two limit blocks are respectively threadedly connected to both ends of the bidirectional screw.

[0015] Through the above arrangement, the two-way screw is rotated to move the two limit blocks away from each other. When the two limit blocks respectively abut against the inner walls on both sides of the cast iron casserole, the rotation of the two-way screw is stopped, thereby stopping the two limit blocks, and then the cast iron casserole is positioned using the two limit blocks.

[0016] Furthermore, a handle is provided on the bidirectional screw.

[0017] Through the above arrangement, the bidirectional screw is driven to rotate by the handle, which makes the operation easier.

[0018] Furthermore, an inner chamber is provided in the base, at least one filter is provided in the inner chamber, and an air outlet is provided on the base; a dust hood and an air pump are provided in the box, the dust hood is located above the placement table, and an air inlet pipe and an air outlet pipe are connected to the air pump, the air inlet pipe is connected to the dust hood, the air outlet pipe is fixedly connected to the base, and the air outlet pipe is connected to the inner chamber.

[0019] Through the above arrangement, during the grinding of the cast iron casserole, the suction pump is started, and the dust generated during the grinding is introduced into the inner room through the dust hood, the air inlet pipe and the air outlet pipe by the suction pump, and the dust in the air is filtered through two filter nets, so that the filtered air is discharged from the air outlet.

[0020] Furthermore, there are two filters; a water tank and a piston cylinder are provided in the box body, a water inlet pipe and a water outlet pipe are connected to the piston cylinder, the water inlet pipe is connected to the water tank, both sides of the water outlet pipe are connected to diversion pipes, the diversion pipes are fixedly connected to the base, the diversion pipes are connected to the inner chamber, and one end of the diversion pipe away from the water outlet pipe is located above the filter; a piston block is slidably connected in the piston cylinder, and the piston block is fixedly connected to the lifting block.

[0021] Through the above arrangement, during the vertical reciprocating motion of the lifting block, the lifting block drives the piston block to move synchronously, so that the clean water in the water tank can be continuously introduced into the two branch pipes through the water inlet pipe, the piston cylinder, and the water outlet pipe respectively. The clean water is sprayed out from the branch pipe and acts on the filter net, so as to reduce the dust in the air; and the clean water acting on the filter net can also clean the filter net to avoid clogging of the filter net.

[0022] Furthermore, a side shaft is rotatably connected to the base, and the side shaft is rotatably connected to the two filter screens, and a linkage gear is coaxially connected to the side shaft; a linkage rack is provided on the lifting block, and the linkage gear is located on the movement trajectory of the linkage rack, and the linkage rack can mesh with the linkage gear; a wall groove is horizontally provided in the inner chamber, and a wall block is slidably connected in the wall groove; a second cylindrical cam is coaxially connected to the side shaft, and a second curved groove is provided on the second cylindrical cam, and a second auxiliary block is slidably connected in the second curved groove, and the second auxiliary block is fixed to the wall block; sliding grooves are provided on both sides of the second cylindrical cam on the side shaft, and a sliding block is slidably connected in the sliding groove, and an annular block is provided on the sliding block, and the two annular blocks are located between the two filter screens; the side shaft passes through the inner ring of the annular block and can rotate in the inner chamber; an annular groove is provided at one end of the annular block, and a sponge block is provided at the other end of the annular block, and a side block is slidably connected in the annular groove, and the side block is fixed to the wall block, and the filter screen is located on the movement trajectory of the sponge block.

[0023] Through the above-mentioned arrangement, while the clean water acts on the filter, part of the clean water will act on the sponge block, making the sponge block moist; during the rotation of the side shaft, the side shaft will also drive the second cylindrical cam to rotate, and the second cylindrical cam will drive the wall block to reciprocate laterally through the second curved groove and the second auxiliary block; since the side block slides in the annular groove and the wall block is fixed to the side block, the rotation of the annular block will not be affected during the lateral movement of the wall block; during the lateral reciprocating movement of the wall block, the wall block drives the annular block to move laterally along the path of the slide groove through the side block, so that the sponge block is squeezed and deformed by the filter, so that the water on the sponge block can be squeezed out and act on the filter, thereby realizing the cleaning of the filter, and at the same time, the deformed sponge block can also be used to fully clean the filter, thereby enhancing the cleaning effect of the filter and avoiding clogging of the filter.

[0024] Furthermore, the annular block is provided with a plurality of bristles passing through the sponge block.

[0025] Through the above arrangement, during the vertical reciprocating motion of the lifting block, the lifting block will also drive the linkage rack to move synchronously, the linkage rack engages with the linkage gear to drive the side shaft to rotate, the side shaft drives the annular block to rotate through the slider, the annular block drives the bristles to rotate, and the bristles are used to clean the filter to avoid clogging of the filter; and the bristles combined with water can enhance the cleaning effect of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of an embodiment of a grinding device for a casserole according to the present invention;

[0027] Figure 2 for Figure 1 Partial cross-sectional view in the main viewing direction;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 for Figure 3 Enlarged view of point B in the middle. DETAILED DESCRIPTION

[0030] The following is further described in detail through specific implementation methods:

[0031] The reference numerals in the drawings of the specification include: box body 10, sealing block 11, base 20, guide block 21, rotating shaft 22, placing table 23, top groove 24, limit block 25, chamber 26, bidirectional screw 27, lifting block 30, transverse block 31, arc grinding block 32, inclined groove 33, circular shaft 34, first cylindrical cam 35, motor 36, ring chain 37, inner chamber 40, filter screen 41, air outlet 42, suction Dust cover 43, suction pump 44, air inlet pipe 45, air outlet pipe 46, water tank 50, piston cylinder 51, water inlet pipe 52, water outlet pipe 53, diverter pipe 54, piston block 55, side shaft 60, linkage gear 61, linkage rack 62, wall block 70, second cylindrical cam 71, slide groove 72, slider 73, annular block 74, annular groove 75, sponge block 76, bristles 77, side block 78, drain pipe 80, cast iron casserole 90.

[0032] Example

[0033] Basically as attached Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 As shown: a grinding device for a casserole comprises a box body 10, a side wall of the box body 10 is provided with an opening, and a sealing block 11 is threadedly connected to the opening.

[0034] A base 20 and a guide block 21 are fixedly connected in the box body 10. A rotating shaft 22 is rotatably connected to the base 20. A placing table 23 is fixedly connected to the rotating shaft 22. A positioning mechanism for positioning the casserole is provided on the placing table 23. The positioning mechanism includes top grooves 24 provided on both sides of the surface of the placing table 23. Limiting blocks 25 are slidably connected in the top grooves 24. It also includes an adjusting part for adjusting the distance between the two limiting blocks 25. The adjusting part includes a chamber 26 provided inside the placing table 23 and a bidirectional screw 27 rotatably connected to the placing table 23. The chamber 26 is connected to the top groove 24. The two limiting blocks 25 are respectively threadedly connected to the two ends of the bidirectional screw 27. A handle is fixedly connected to the bidirectional screw 27.

[0035] The guide block 21 is vertically slidably connected with a lifting block 30, and the lifting block 30 is horizontally slidably connected with a horizontal block 31. The horizontal block 31 is provided with an arc-shaped grinding block 32, and the contact surface between the arc-shaped grinding block 32 and the cast iron casserole 90 is an arc-shaped surface, so that the two can fully contact; an inclined groove 33 is opened on the inner wall of the box body 10, and the inclined groove 33 is inclined from left to right, and the left end of the inclined groove 33 is higher than the right end of the inclined groove 33, and a side block is slidably connected in the inclined groove 33, and the side block is fixedly connected to the horizontal block 31; it also includes a driving mechanism for driving the lifting block 30 to reciprocate vertically, and the driving mechanism includes a round shaft 34, and a round shaft for driving the round shaft The circular shaft 34 is rotatably connected to the inner wall of the housing 10, a first cylindrical cam 35 is coaxially connected to the circular shaft 34, a first curved groove is formed on the cylindrical cam, a first auxiliary block is slidably connected in the first curved groove, and the first auxiliary block is fixedly connected to the lifting block 30; the driving part is a motor 36, the motor 36 is fixedly connected to the housing 10, and an output shaft of the motor 36 is coaxially connected to the circular shaft 34; a driving sprocket is coaxially connected to the circular shaft 34, a driven sprocket is coaxially connected to the rotating shaft 22, an annular chain 37 is sleeved between the driving sprocket and the driven sprocket, and the lifting block 30 can move vertically in the gap of the annular chain 37.

[0036] An inner chamber 40 is opened in the base 20, and two filter screens 41 are fixedly connected in the inner chamber 40. An air outlet 42 is opened on the base 20; a dust hood 43 and an air pump 44 are fixedly connected in the box body 10, the dust hood 43 is located above the placement table 23, and the air pump 44 is connected to an air inlet pipe 45 and an air outlet pipe 46, the air inlet pipe 45 is connected to the dust hood 43, the air outlet pipe 46 is fixedly connected to the base 20, and the air outlet pipe 46 is connected to the inner chamber 40. A water tank 50 and a piston cylinder 51 are fixedly connected in the box body 10, and a water inlet pipe 52 and a water outlet pipe 53 are connected to the piston cylinder 51. The water inlet pipe 52 is connected to the water tank 50, and both sides of the water outlet pipe 53 are connected to diverter pipes 54, which are fixedly connected to the base 20, and are connected to the inner chamber 40. The end of the diverter pipe 54 away from the water outlet pipe 53 is located above the filter screen 41; a first one-way valve for one-way fluid entering the piston cylinder 51 from the water tank 50 is installed on the water inlet pipe 52, and a second one-way valve for one-way fluid entering the diverter pipe 54 from the piston cylinder 51 is installed on the water outlet pipe 53; a piston block 55 is slidably connected in the piston cylinder 51, and the piston block 55 is fixedly connected to the lifting block 30.

[0037] A side shaft 60 is rotatably connected to the base 20, and the side shaft 60 is rotatably connected to the two filter screens 41. A linkage gear 61 is coaxially connected to the side shaft 60; a linkage rack 62 is fixedly connected to the side wall of the lifting block 30, and the linkage gear 61 is located on the motion trajectory of the linkage rack 62, and the linkage rack 62 can engage with the linkage gear 61.

[0038] A wall groove is transversely opened in the inner chamber 40, and a wall block 70 is slidably connected in the wall groove; a second cylindrical cam 71 is coaxially connected to the side shaft 60, and the second cylindrical cam 71 is located between the two filter screens 41. A second curved groove is opened on the second cylindrical cam 71, and a second auxiliary block is slidably connected in the second curved groove. The second auxiliary block is fixedly connected to the wall block 70; sliding grooves 72 are transversely opened on both sides of the second cylindrical cam 71 on the side shaft 60, and a slider 73 is transversely slidably connected in the sliding groove 72. The slider 73 An annular block 74 is fixedly connected to the upper part, and two annular blocks 74 are located between the two filter screens 41; the side shaft 60 passes through the inner ring of the annular block 74, and the annular block 74 can rotate and move laterally in the inner chamber 40; an annular groove 75 is formed at one end of the annular block 74 close to the second cylindrical cam 71, and a sponge block 76 is fixedly connected to one end of the annular block 74 close to the filter screen 41, and a side block 78 is slidably connected in the annular groove 75, and the side block 78 is fixedly connected to the wall block 70, and the filter screen 41 is located on the movement track of the sponge block 76. A plurality of bristles 77 passing through the sponge block 76 are fixedly connected to one end of the annular block 74 close to the filter screen 41; during the lateral movement of the annular block 74, the bristles 77 can pass through the filter screen 44.

[0039] The specific implementation process is as follows:

[0040] When in use, the cast iron casserole 90 is inverted so that the bottom of the cast iron casserole 90 faces upward and the opening of the cast iron casserole 90 faces downward; the cast iron casserole 90 is then placed on the placement table 23 so that the two limit blocks 25 extend into the interior of the cast iron casserole 90, and the width of the cast iron casserole 90 gradually increases from top to bottom; the two-way screw 27 is driven by the handle to rotate so that the two limit blocks 25 are separated, and when the two limit blocks 25 are respectively against the inner walls of both sides of the cast iron casserole 90, the rotation of the two-way screw 27 is stopped, that is, the two limit blocks 25 are stopped, and then the cast iron casserole 90 is positioned by the two limit blocks 25. The sealing block 11 is connected to the opening to achieve the sealing of the box body 10.

[0041] Start the motor 36, the output shaft of the motor 36 drives the circular shaft 34 to rotate, the circular shaft 34 drives the first cylindrical cam 35 to rotate, and the first cylindrical cam 35 drives the lifting block 30 to reciprocate vertically through the first curved groove and the first auxiliary block; during the vertical reciprocating motion of the lifting block 30, the lifting block 30 drives the transverse block 31 to move synchronously, and the transverse block 31 drives the side block to move along the path of the inclined groove 33, so that the transverse block 31 can also move laterally. Therefore, the transverse block 31 can also move laterally during the vertical motion, so that the transverse block 31 drives the arc-shaped grinding block 32 to always be against the outer wall of the cast iron casserole 90.

[0042] During the rotation of the circular shaft 34, the circular shaft 34 drives the active sprocket to rotate, and the active sprocket drives the driven sprocket to rotate through the annular chain 37, and the driven sprocket drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the placement table 23 to rotate, thereby driving the cast iron casserole 90 to rotate, and the outer wall of the cast iron casserole 90 is polished by the arc-shaped polishing block 32; the arc-shaped polishing block 32 can be completely fitted with the outer wall of the cast iron casserole 90, that is, the two are in surface contact, and the outer wall of the cast iron casserole 90 can be fully polished, and the polishing effect is better.

[0043] During the polishing of the cast iron casserole 90 , the suction pump 44 is started, and the dust generated during the polishing is introduced into the inner chamber 40 through the dust hood 43 , the air inlet pipe 45 , and the air outlet pipe 46 by the suction pump 44 , and the dust in the air is filtered through two filter nets 41 , so that the filtered air is discharged from the air outlet 42 .

[0044] During the vertical reciprocating motion of the lifting block 30, the lifting block 30 drives the piston block 55 to move synchronously, so that the clean water in the water tank 50 can be continuously introduced into the two branch pipes 54 through the water inlet pipe 52, the piston cylinder 51, and the water outlet pipe 53 respectively. The clean water is sprayed out from the branch pipe 54 and acts on the filter 41, so as to reduce the dust in the air; moreover, the clean water acting on the filter 41 can also clean the filter 41 to avoid clogging of the filter 41.

[0045] During the vertical reciprocating motion of the lifting block 30, the lifting block 30 will also drive the linkage rack 62 to move synchronously. The linkage rack 62 is engaged with the linkage gear 61 to drive the side shaft 60 to rotate. The side shaft 60 drives the annular block 74 to rotate through the slider 73. The annular block 74 drives the bristles 77 to rotate. The bristles 77 are used to clean the filter 41 to avoid clogging of the filter 41. Moreover, the bristles 77 combined with moisture can enhance the cleaning effect of the filter 41.

[0046] During the period when the clean water acts on the filter screen 41, part of the clean water will act on the sponge block 76, making the sponge block 76 moist; during the rotation of the side shaft 60, the side shaft 60 will also drive the second cylindrical cam 71 to rotate, and the second cylindrical cam 71 drives the wall block 70 to reciprocate laterally through the second curved groove and the second auxiliary block; since the side block 78 slides in the annular groove 75, the wall block 70 is fixedly connected to the side block 78, so that the rotation of the annular block 74 is not affected during the lateral movement of the wall block 70; during the lateral reciprocating movement of the wall block 70, the wall block 70 drives the annular block 74 to move laterally along the path of the slide groove 72 through the side block 78, so that the sponge block 76 is squeezed and deformed by the filter screen 41, so that the water on the sponge block 76 can be squeezed out and act on the filter screen 41, so as to achieve the cleaning of the filter screen 41, and at the same time, the deformed sponge block 76 can also be used to fully clean the filter screen 41, thereby enhancing the cleaning effect of the filter screen 41 and avoiding clogging of the filter screen 41.

[0047] In this embodiment, a sewage pipe 80 passing through the box body 10 is fixedly connected to the base 20 , and the sewage pipe 80 is communicated with the inner chamber 40 ; the mixture of sewage and dust can be discharged through the sewage pipe 80 .

[0048] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A grinding device for a casserole, characterized in that: It includes a box body, an opening is provided on the side wall of the box body, and a sealing block is detachably connected to the opening; a base, a guide block and an inclined groove are provided in the box body, the base is rotatably connected to a rotating shaft, the rotating shaft is provided with a placing table, and the placing table is provided with a positioning mechanism for positioning the casserole; a lifting block is vertically slidably connected to the guide block, and a transverse block is horizontally slidably connected to the lifting block, and an arc-shaped grinding block is provided on the transverse block; a side block is slidably connected in the inclined groove, and the side block is fixedly connected to the transverse block; and it also includes a driving mechanism for driving the lifting block to move vertically back and forth.

2. The sanding device for casserole according to claim 1, characterized in that: The driving mechanism includes a circular shaft and a driving part for driving the circular shaft to rotate. The circular shaft is coaxially connected with a first cylindrical cam, the cylindrical cam is provided with a first curved groove, a first auxiliary block is slidably connected in the first curved groove, and the first auxiliary block is fixedly connected to the lifting block.

3. The sanding device for casserole according to claim 2, characterized in that: A driving sprocket is coaxially connected to the circular shaft, a driven sprocket is coaxially connected to the rotating shaft, and an annular chain is sleeved between the driving sprocket and the driven sprocket.

4. The sanding device for a casserole according to claim 3, characterized in that: The positioning mechanism comprises top grooves arranged on both sides of the surface of the placing table, wherein limit blocks are slidably connected in the top grooves, and also comprises an adjusting part for adjusting the distance between the two limit blocks.

5. The sanding device for casserole according to claim 4, characterized in that: The adjusting part comprises a chamber opened inside the placing table and a bidirectional screw rotatably connected to the placing table. The chamber is communicated with the top groove, and two limit blocks are respectively threadedly connected to the two ends of the bidirectional screw.

6. The sanding device for casserole according to claim 5, characterized in that: The bidirectional screw rod is provided with a handle.

7. The sanding device for a casserole according to claim 6, characterized in that: An inner chamber is provided in the base, in which at least one filter is provided, and an air outlet is provided on the base; a dust hood and an air pump are provided in the box, the dust hood is located above the placement table, and an air inlet pipe and an air outlet pipe are connected to the air pump, the air inlet pipe is connected to the dust hood, the air outlet pipe is fixedly connected to the base, and the air outlet pipe is connected to the inner chamber.

8. The sanding device for a clay pot according to claim 7, characterized in that: There are two filters; a water tank and a piston cylinder are provided in the box body, a water inlet pipe and a water outlet pipe are connected to the piston cylinder, the water inlet pipe is connected to the water tank, both sides of the water outlet pipe are connected to diversion pipes, the diversion pipes are fixedly connected to the base, the diversion pipes are connected to the inner chamber, and the end of the diversion pipe away from the water outlet pipe is located above the filter; a piston block is slidably connected to the piston cylinder, and the piston block is fixedly connected to the lifting block.

9. The sanding device for a casserole according to claim 8, characterized in that: A side shaft is rotatably connected to the base, and the side shaft is rotatably connected to the two filter screens, and a linkage gear is coaxially connected to the side shaft; a linkage rack is provided on the lifting block, and the linkage gear is located on the movement trajectory of the linkage rack, and the linkage rack can mesh with the linkage gear; a wall groove is horizontally provided in the inner chamber, and a wall block is slidably connected in the wall groove; a second cylindrical cam is coaxially connected to the side shaft, and a second curved groove is provided on the second cylindrical cam, and a second auxiliary block is slidably connected in the second curved groove, and the second auxiliary block is fixed to the wall block; sliding grooves are provided on both sides of the second cylindrical cam on the side shaft, and a sliding block is slidably connected in the sliding groove, and an annular block is provided on the sliding block, and the two annular blocks are located between the two filter screens; the side shaft passes through the inner ring of the annular block and can rotate in the inner chamber; an annular groove is provided at one end of the annular block, and a sponge block is provided at the other end of the annular block, and an edge block is slidably connected in the annular groove, and the edge block is fixed to the wall block, and the filter screen is located on the movement trajectory of the sponge block.

10. The sanding device for a clay pot according to claim 9, characterized in that: The annular block is provided with a plurality of bristles which pass through the sponge block.

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