A CNC polishing machine

Abstract

A CNC polishing machine includes a frame, on which a tooling structure for fixing and rotating a thermos cup, a first polishing structure for polishing the rim of the mouth of the thermos cup, and a second polishing structure for polishing the side wall of the mouth of the thermos cup are arranged. The machine can automatically and efficiently polish the rim and side wall of the mouth of the thermos cup.

Description

Technical Field

[0001] The invention relates to the technical field of automatic polishing, in particular to a numerically controlled polishing machine. Background Art

[0002] During the production process of thermos cups, the mouth of the thermos cup needs to be polished to reduce the roughness of the surface of the cup mouth to obtain a bright and smooth surface. At present, manual polishing is generally used. The main problems of manual polishing are as follows: polishing is a technical job and requires skilled technicians, which requires a lot of labor costs; high-speed particles and sparks will be generated during the polishing process, which will damage the workers' skin; the polishing process will generate vibration and noise, and long-term work will damage the workers' hearing and arm muscles. Due to the many defects of manual polishing, there is an urgent need for an automatic polishing machine for thermos cups to solve the problem of manual polishing. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a CNC polishing machine.

[0004] A numerical control polishing machine comprises a frame, on which a tooling structure for fixing and rotating a thermos cup, a first polishing structure for polishing the rim of the cup mouth of the thermos cup, and a second polishing structure for polishing the side wall of the cup mouth of the thermos cup are arranged;

[0005] The tooling structure includes a first motor, a mounting seat and a first bracket, the first motor is mounted on the top of the frame, the mounting seat is fixedly connected to the output shaft of the first motor, the top of the mounting seat is provided with a slot for inserting the bottom of the thermos cup, the first bracket includes a support plate, a lifting plate and an extension plate, the support plate is vertically fixed to the top of the frame, two first slide rails are symmetrically fixed on one side of the support plate, a first slide seat for being sleeved on the first slide rail and moving along the first slide rail is fixed on the lifting plate, one end of the extension plate is fixedly connected to the top of the lifting plate, the other end of the extension plate corresponds to the position of the mounting seat and is rotatably connected to a pressing block for inserting into the mouth of the thermos cup and pressing the thermos cup; a cylinder is also provided on the support plate, and a piston rod of the cylinder is vertically upward and fixedly connected to the extension plate;

[0006] The first polishing structure includes a first polishing wheel arranged obliquely, a first moving structure for driving the first polishing wheel to move horizontally, and a second moving structure for driving the first polishing wheel to move longitudinally, the first moving structure includes a first base, a first screw rod, a second motor and a first nut seat, the first base is horizontally installed on the top end of the frame, the second motor is installed on the side of the first base away from the mounting seat, the first screw rod is arranged above the first base along the extension direction of the first base and is fixedly connected to the output shaft of the second motor, the first nut seat is sleeved on the outside of the first screw rod, a vertically arranged second bracket is fixed on the first nut seat, two second slide rails distributed on both sides of the first screw rod are fixed on the top end of the first base, and a second screw rod for sleeved on and moving along the second slide rail is fixed on the bottom end of the second bracket. The second sliding seat, the second moving structure includes a second base, a second screw rod, a third motor, a second nut seat and a sliding plate, the second base is fixed to one side of the second bracket along the extension direction of the second bracket, the third motor is installed on the top side of the second base, the second screw rod is arranged on one side of the second base along the extension direction of the second base and is fixedly connected with the output shaft of the third motor, the second nut seat is sleeved on the outside of the second screw rod and is fixedly connected with the sliding plate, two third slide rails distributed on both sides of the second screw rod are fixed on the second base, a third sliding seat for sleeved on the third slide rail and moving along the third slide rail is fixed on one side of the sliding plate, and an inclined fourth motor is installed on the other side of the sliding plate, the first polishing wheel is fixedly connected to the output shaft of the fourth motor, and the first polishing wheel contacts the edge of the cup mouth of the thermos cup;

[0007] The second polishing structure includes a second polishing wheel, a third moving structure for driving the second polishing wheel to move horizontally, and a fourth moving structure for driving the second polishing wheel to move longitudinally. The third moving structure includes a third bracket, a fifth motor, a third screw rod and a third nut seat. The third bracket is installed at the top of the frame. A slide groove is provided in the middle position of the top of the third bracket. Fourth slide rails are fixed on both sides of the top of the third bracket. The fifth motor is installed inside the third bracket. The third screw rod is arranged in the third bracket along the extension direction of the slide groove and is fixedly connected to the output shaft of the fifth motor. The third nut seat is sleeved on the outside of the third screw rod and its top passes through the slide groove. The fourth moving structure includes a fourth bracket, The third base, the fourth screw rod, the fourth nut seat and the sliding block, the bottom end of the fourth bracket is fixedly connected to the third nut seat, the bottom end of the fourth bracket is also fixed with a fourth slide seat for being mounted on the fourth slide rail and moving along the fourth slide rail, the third base is fixed to the fourth bracket on one side close to the mounting seat, the third base is rotatably connected with the fourth screw rod, the fourth nut seat is mounted on the outside of the fourth screw rod, the sliding block is mounted on the outside of the third base and moves along the third base, one side of the sliding block is fixedly connected to the fourth nut seat, the other side of the sliding block is fixed with a sixth motor, the second polishing wheel is fixedly connected to the output shaft of the sixth motor, and the second polishing wheel contacts the side wall of the cup mouth of the thermos cup.

[0008] By adopting the above technical solution, when it is necessary to polish the rim of the thermos cup, the thermos cup is first fixed, the bottom of the thermos cup is inserted into the slot of the mounting seat, and then the cylinder is started. The piston rod of the cylinder contracts, and the piston rod of the cylinder applies a downward force to the extension plate, and the downward force is transmitted to the lifting plate. Since the first slide seat of the lifting plate is slidably connected to the first slide rail, the lifting plate can move on the support plate, so that the piston rod of the cylinder can drive the extension plate to move downward, and the downward movement of the extension plate drives the clamping block to move downward, and the clamping block is inserted into the rim of the thermos cup and presses the thermos cup.

[0009] Then adjust the position of the first polishing structure, start the second motor, the output shaft of the second motor rotates, drives the first screw to rotate, the rotation of the first screw drives the first nut seat to move along the first screw, the first nut seat drives the second bracket to move along the second slide rail, thereby adjusting the position of the first polishing wheel laterally through the first moving structure. Start the third motor, the output shaft of the third motor rotates, drives the second screw to rotate, the second screw drives the second nut seat to move along the second screw, the second nut seat drives the sliding plate to move along the third slide rail, thereby adjusting the position of the first polishing wheel longitudinally through the second moving structure. Finally, the first polishing wheel contacts and presses against the edge of the cup mouth of the thermos cup.

[0010] Then adjust the position of the second polishing structure, start the fifth motor, and the output shaft of the fifth motor rotates, driving the third screw rod to rotate, the third screw rod drives the third nut seat to move along the third screw rod in the slide groove, and the third nut seat drives the fourth bracket to move horizontally along the fourth slide rail, thereby adjusting the position of the second polishing wheel horizontally through the third moving structure. Turn the fourth screw rod, the rotation of the fourth screw rod drives the fourth nut seat to move along the fourth screw rod, and the fourth nut seat drives the sliding block to move along the third base, thereby adjusting the position of the second polishing wheel longitudinally through the fourth moving structure. Finally, the second polishing wheel contacts and presses against the side wall of the mouth of the thermos cup.

[0011] Then, the first motor is started, and the output shaft of the first motor rotates to drive the mounting seat to rotate, and the mounting seat drives the thermos cup and the pressing block to rotate. The fourth motor is started, and the output shaft of the fourth motor rotates in the opposite direction to the output shaft of the first motor, thereby driving the first polishing wheel and the thermos cup to rotate in the opposite direction. The sixth motor is started, and the output shaft of the sixth motor rotates in the opposite direction to the output shaft of the first motor, thereby driving the second polishing wheel and the thermos cup to rotate in the opposite direction. Then, the rim of the cup mouth of the thermos cup and the side wall of the cup mouth are polished. The present invention can automatically and efficiently polish the cup mouth of the thermos cup.

[0012] A further configuration of the present invention is that a reducer is also provided on the first motor, the output shaft of the first motor is connected to the input end of the reducer, and the output end of the reducer is fixedly connected to the mounting seat.

[0013] By adopting the above technical solution, the setting of the reducer can make the thermos cup rotate slowly and evenly, so that the cup mouth of the thermos cup can be fully polished.

[0014] A further configuration of the present invention: an inclined plate is fixed on the side of the sliding plate away from the third slide seat, and a fifth screw rod arranged along the extension direction of the inclined plate is rotatably connected to the inclined plate, and two fifth slide rails located on both sides of the fifth screw rod are also fixed to the inclined plate, and a fifth nut seat is sleeved on the outer side of the fifth screw rod, and a connecting plate is fixedly connected to the fifth nut seat, and a fifth slide seat for being sleeved on the fifth slide rail and moving along the fifth slide rail is fixed on the connecting plate, and the fourth motor is fixed to the inclined plate along the extension direction of the inclined plate.

[0015] By adopting the above technical solution, the fifth screw rod is rotated, and the rotation of the fifth screw rod drives the fifth nut seat to move along the fifth screw rod, and the fifth nut seat drives the connecting plate to move obliquely along the fifth slide rail, thereby fine-tuning the position of the fourth motor and the first polishing wheel on the connecting plate.

[0016] A further configuration of the present invention is that a handle is fixedly connected to the fourth screw rod and the fifth screw rod.

[0017] By adopting the above technical solution, the fourth screw rod and the fifth screw rod can be rotated more conveniently through the handle.

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

[0019] The invention discloses a numerically controlled polishing machine, which can automatically and efficiently grind and polish the rim and side wall of the mouth of a thermos cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The structure diagram of a CNC polishing machine of the present invention is shown in FIG. Figure 1 ;

[0021] Figure 2 The structure diagram of a CNC polishing machine of the present invention is shown in FIG. Figure 2 ;

[0022] Figure 3 It is a structural schematic diagram of a tooling structure of a CNC polishing machine of the present invention;

[0023] Figure 4 It is a structural schematic diagram of a first polishing structure of a CNC polishing machine of the present invention;

[0024] Figure 5 for Figure 4 The enlarged view of point A in the middle;

[0025] Figure 6 for Figure 4 The enlarged view of point B in the middle;

[0026] Figure 7 for Figure 4 Enlarged view of point C in the middle;

[0027] Figure 8 The schematic diagram of the second polishing structure of a CNC polishing machine of the present invention is shown in FIG. Figure 1 ;

[0028] Fig. 9 The schematic diagram of the second polishing structure of a CNC polishing machine of the present invention is shown in FIG. Figure 2 .

[0029] Figure numerals: 1, frame; 2, cover; 3, tooling structure; 4, first polishing structure; 5, second polishing structure; 6, first motor; 7, mounting seat; 8, first bracket; 9, slot; 10, support plate; 11, lifting plate; 12, extension plate; 13, first slide rail; 14, first slide seat; 15, clamping block; 16, cylinder; 17, first polishing wheel; 18, first base; 19, first screw rod; 20, second motor; 21, first nut seat; 22, second bracket; 23, second slide rail; 24, second slide seat; 25, second base; 26, second screw rod; 27, third motor; 28, The second nut seat; 29, sliding plate; 30, the third slide rail; 31, the third slide seat; 32, the fourth motor; 33, the second polishing wheel; 34, the third bracket; 35, the fifth motor; 36, the third screw rod; 37, the third nut seat; 38, the slide groove; 39, the fourth slide rail; 40, the fourth bracket; 41, the third base; 42, the fourth screw rod; 43, the fourth nut seat; 44, the sliding block; 45, the fourth slide seat; 46, the sixth motor; 47, the reducer; 48, the tilting plate; 49, the fifth screw rod; 50, the fifth slide rail; 51, the fifth nut seat; 52, the connecting plate; 53, the fifth slide seat; 54, the handle. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] A CNC polishing machine, such as Figure 1-Figure 9 As shown, it includes a frame 1, on which a tooling structure 3 for fixing and rotating a thermos cup, a first polishing structure 4 for polishing the rim of the cup mouth of the thermos cup, and a second polishing structure 5 for polishing the side wall of the cup mouth of the thermos cup are arranged;

[0032] The tooling structure 3 includes a first motor 6, a mounting seat 7 and a first bracket 8. The first motor 6 is installed on the top of the frame 1. The mounting seat 7 is fixedly connected to the output shaft of the first motor 6. A slot 9 for inserting the bottom of the thermos cup is provided at the top of the mounting seat 7. The first bracket 8 includes a support plate 10, a lifting plate 11 and an extension plate 12. The support plate 10 is vertically fixed to the top of the frame 1. Two first slide rails 13 are symmetrically fixed on one side of the support plate 10. A first slide seat 14 for being sleeved on the first slide rail 13 and moving along the first slide rail 13 is fixed on the lifting plate 11. One end of the extension plate 12 is fixedly connected to the top of the lifting plate 11. The other end of the extension plate 12 corresponds to the position of the mounting seat 7 and is rotatably connected to a pressing block 15 for inserting into the mouth of the thermos cup and pressing the thermos cup. A cylinder 16 is also provided on the support plate 10. The piston rod of the cylinder 16 is vertically upward and fixedly connected to the extension plate 12.

[0033] The first polishing structure 4 includes an inclined first polishing wheel 17, a first moving structure for driving the first polishing wheel 17 to move horizontally, and a second moving structure for driving the first polishing wheel 17 to move longitudinally. The first moving structure includes a first base 18, a first screw rod 19, a second motor 20 and a first nut seat 21. The first base 18 is horizontally installed on the top of the frame 1, and the second motor 20 is installed on the side of the first base 18 away from the mounting seat 7. The first screw rod 19 is arranged above the first base 18 along the extension direction of the first base 18 and is fixedly connected to the output shaft of the second motor 20. The first nut seat 21 is sleeved on the outside of the first screw rod 19, and a vertically arranged second bracket 22 is fixed on the first nut seat 21. Two second slide rails 23 distributed on both sides of the first screw rod 19 are fixed on the top of the first base 18, and a second slide seat for sleeved on and moving along the second slide rail 23 is fixed at the bottom of the second bracket 22. 24, the second moving structure includes a second base 25, a second screw rod 26, a third motor 27, a second nut seat 28 and a sliding plate 29, the second base 25 is fixed to one side of the second bracket 22 along the extension direction of the second bracket 22, the third motor 27 is installed on the top side of the second base 25, the second screw rod 26 is arranged on one side of the second base 25 along the extension direction of the second base 25 and is fixedly connected to the output shaft of the third motor 27, the second nut seat 28 is sleeved on the outside of the second screw rod 26 and is fixedly connected to the sliding plate 29, two third slide rails 30 distributed on both sides of the second screw rod 26 are fixed on the second base 25, a third slide seat 31 for sleeved on the third slide rail 30 and moving along the third slide rail 30 is fixed on one side of the sliding plate 29, an inclined fourth motor 32 is installed on the other side of the sliding plate 29, the first polishing wheel 17 is fixedly connected to the output shaft of the fourth motor 32, and the first polishing wheel 17 contacts the edge of the cup mouth of the thermos cup;

[0034] The second polishing structure 5 includes a second polishing wheel 33, a third moving structure for driving the second polishing wheel 33 to move horizontally, and a fourth moving structure for driving the second polishing wheel 33 to move longitudinally. The third moving structure includes a third bracket 34, a fifth motor 35, a third screw rod 36 and a third nut seat 37. The third bracket 34 is installed at the top of the frame 1. A slide groove 38 is provided in the middle position of the top of the third bracket 34. Fourth slide rails 39 are fixed on both sides of the top of the third bracket 34. The fifth motor 35 is installed inside the third bracket 34. The third screw rod 36 is arranged in the third bracket 34 along the extension direction of the slide groove 38 and is fixedly connected to the output shaft of the fifth motor 35. The third nut seat 37 is sleeved on the outside of the third screw rod 36 and its top passes through the slide groove 38. The fourth moving structure includes a fourth bracket 40, a third The base 41, the fourth screw rod 42, the fourth nut seat 43 and the sliding block 44, the bottom end of the fourth bracket 40 is fixedly connected to the third nut seat 37, and the bottom end of the fourth bracket 40 is also fixed with a fourth slide seat 45 for being mounted on the fourth slide rail 39 and moving along the fourth slide rail 39, the third base 41 is fixed to the side of the fourth bracket 40 close to the mounting seat 7, the fourth screw rod 42 is rotatably connected in the third base 41, the fourth nut seat 43 is mounted on the outside of the fourth screw rod 42, the sliding block 44 is mounted on the outside of the third base 41 and moves along the third base 41, one side of the sliding block 44 is fixedly connected to the fourth nut seat 43, and the other side of the sliding block 44 is fixed with the sixth motor 46, the second polishing wheel 33 is fixedly connected to the output shaft of the sixth motor 46, and the second polishing wheel 33 contacts the side wall of the cup mouth of the thermos cup.

[0035] Additionally, a reducer 47 is provided on the first motor 6, the output shaft of the first motor 6 is connected to the input end of the reducer 47, and the output end of the reducer 47 is fixedly connected to the mounting base 7. The setting of the reducer 47 enables the thermos cup to rotate slowly and uniformly, so that the mouth of the thermos cup can be fully polished.

[0036] An inclined plate 48 is fixed on the side of the sliding plate 29 away from the third slide seat 31, and a fifth screw rod 49 arranged along the extending direction of the inclined plate 48 is rotatably connected to the inclined plate 48. Two fifth slide rails 50 located on both sides of the fifth screw rod 49 are also fixed to the inclined plate 48. A fifth nut seat 51 is sleeved on the outside of the fifth screw rod 49, and a connecting plate 52 is fixedly connected to the fifth nut seat 51. A fifth slide seat 53 for sleeved on and moving along the fifth slide rail 50 is fixed to the connecting plate 52. The fourth motor 32 is fixed to the inclined plate 48 along the extending direction of the inclined plate 48. The fifth screw rod 49 is rotated, and the rotation of the fifth screw rod 49 drives the fifth nut seat 51 to move along the fifth screw rod 49, and the fifth nut seat 51 drives the connecting plate 52 to move obliquely along the fifth slide rail 50, thereby fine-tuning the positions of the fourth motor 32 and the first polishing wheel 17 on the connecting plate 52.

[0037] The fourth screw rod 42 and the fifth screw rod 49 are both fixedly connected with a handle 54 , and the fourth screw rod 42 and the fifth screw rod 49 can be rotated more conveniently through the handle 54 .

[0038] In order to prevent the dust generated by grinding and polishing from damaging the human body, a cover body 2 can be set on the frame 1 to wrap around the tooling structure 3, the first polishing structure 4 and the second polishing structure 5, and connected to a vacuum cleaner (not shown in the figure) through a pipe.

[0039] Working principle: when it is necessary to polish the rim of the thermos cup, first fix the thermos cup, insert the bottom of the thermos cup into the slot 9 of the mounting seat 7, and then start the cylinder 16. The piston rod of the cylinder 16 contracts, and the piston rod of the cylinder 16 applies a downward force to the extension plate 12. The downward force is transmitted to the lifting plate 11. Since the first slide seat 14 of the lifting plate 11 is slidably connected with the first slide rail 13, the lifting plate 11 can move on the support plate 10, so that the piston rod of the cylinder 16 can drive the extension plate 12 to move downward, and the downward movement of the extension plate 12 drives the clamping block 15 to move downward, and the clamping block 15 is inserted into the rim of the thermos cup and presses the thermos cup.

[0040] Then adjust the position of the first polishing structure 4, start the second motor 20, the output shaft of the second motor 20 rotates, drives the first screw 19 to rotate, the rotation of the first screw 19 drives the first nut seat 21 to move along the first screw 19, the first nut seat 21 drives the second bracket 22 to move along the second slide rail 23, thereby adjusting the position of the first polishing wheel 17 horizontally through the first moving structure. Start the third motor 27, the output shaft of the third motor 27 rotates, drives the second screw 26 to rotate, the second screw 26 drives the second nut seat 28 to move along the second screw 26, the second nut seat 28 drives the sliding plate 29 to move along the third slide rail 30, thereby adjusting the position of the first polishing wheel 17 longitudinally through the second moving structure. Finally, the first polishing wheel 17 contacts and presses against the edge of the cup mouth of the thermos cup.

[0041] Then, the position of the second polishing structure 5 is adjusted, and the fifth motor 35 is started. The output shaft of the fifth motor 35 rotates, driving the third screw rod 36 to rotate, and the third screw rod 36 drives the third nut seat 37 to move along the third screw rod 36 in the slide groove 38, and the third nut seat 37 drives the fourth bracket 40 to move laterally along the fourth slide rail 39, thereby adjusting the position of the second polishing wheel 33 laterally through the third moving structure. The fourth screw rod 42 is rotated, and the rotation of the fourth screw rod 42 drives the fourth nut seat 43 to move along the fourth screw rod 42, and the fourth nut seat 43 drives the sliding block 44 to move along the third base 41, thereby adjusting the position of the second polishing wheel 33 longitudinally through the fourth moving structure. Finally, the second polishing wheel 33 contacts and is pressed against the side wall of the mouth of the thermos cup.

[0042] Then, the first motor 6 is started, and the output shaft of the first motor 6 rotates to drive the mounting seat 7 to rotate, and the mounting seat 7 drives the thermos cup and the pressing block 15 to rotate. The fourth motor 32 is started, and the output shaft of the fourth motor 32 rotates in the opposite direction to the output shaft of the first motor 6, thereby driving the first polishing wheel 17 to rotate in the opposite direction to the thermos cup. The sixth motor 46 is started, and the output shaft of the sixth motor 46 rotates in the opposite direction to the output shaft of the first motor 6, thereby driving the second polishing wheel 33 to rotate in the opposite direction to the thermos cup. Then, the rim of the cup mouth of the thermos cup and the side wall of the cup mouth are polished. The present invention can automatically and efficiently polish the cup mouth of the thermos cup.

[0043] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A CNC polishing machine, comprising a frame (1), Features: The frame (1) is provided with a tooling structure (3) for fixing and rotating the thermos cup, a first polishing structure (4) for polishing the rim of the thermos cup, and a second polishing structure (5) for polishing the side wall of the thermos cup. The tooling structure (3) comprises a first motor (6), a mounting seat (7) and a first bracket (8); the first motor (6) is mounted on the top of the frame (1); the mounting seat (7) is fixedly connected to the output shaft of the first motor (6); a slot (9) for inserting the bottom of a thermos cup is provided at the top of the mounting seat (7); the first bracket (8) comprises a support plate (10), a lifting plate (11) and an extension plate (12); the support plate (10) is vertically fixed to the top of the frame (1); two first brackets (12) are symmetrically fixed on one side of the support plate (10) A slide rail (13), a first slide seat (14) is fixed on the lifting plate (11) and is used to be sleeved on the first slide rail (13) and move along the first slide rail (13), one end of the extension plate (12) is fixedly connected to the top of the lifting plate (11), the other end of the extension plate (12) corresponds to the position of the mounting seat (7) and is rotatably connected to a pressing block (15) for inserting into the mouth of the thermos cup and pressing the thermos cup, and a cylinder (16) is also arranged on the support plate (10), and the piston rod of the cylinder (16) is vertically upward and fixedly connected to the extension plate (12); The first polishing structure (4) comprises a first polishing wheel (17) arranged obliquely, a first moving structure for driving the first polishing wheel (17) to move transversely, and a second moving structure for driving the first polishing wheel (17) to move longitudinally, the first moving structure comprising a first base (18), a first screw rod (19), a second motor (20) and a first nut seat (21), the first base (18) being transversely mounted on the top end of the frame (1), the second motor (20) being mounted on a side of the first base (18) away from the mounting seat (7), the first screw rod (19) The first nut seat (21) is arranged above the first base (18) along the extension direction of the first base (18) and is fixedly connected to the output shaft of the second motor (20); the first nut seat (21) is sleeved on the outside of the first screw rod (19); a second bracket (22) arranged vertically is fixed on the first nut seat (21); two second slide rails (23) distributed on both sides of the first screw rod (19) are fixed on the top of the first base (18); a second slide seat (24) for sleeved on the second slide rail (23) and moving along the second slide rail (23) is fixed on the bottom of the second bracket (22). The second movable structure comprises a second base (25), a second screw rod (26), a third motor (27), a second nut seat (28) and a sliding plate (29), wherein the second base (25) is fixed to one side of the second bracket (22) along the extension direction of the second bracket (22), the third motor (27) is installed on the top side of the second base (25), the second screw rod (26) is arranged on one side of the second base (25) along the extension direction of the second base (25) and is fixedly connected to the output shaft of the third motor (27), and the second nut seat (28) is sleeved on the second screw rod ( The second base (25) is fixedly connected to the outside of the second base (26) and is fixedly connected to the sliding plate (29), two third slide rails (30) distributed on both sides of the second screw rod (26) are fixedly provided on the second base (25), a third slide seat (31) for being sleeved on the third slide rail (30) and moving along the third slide rail (30) is fixedly provided on one side of the sliding plate (29), a fourth motor (32) arranged obliquely is installed on the other side of the sliding plate (29), the first polishing wheel (17) is fixedly connected to the output shaft of the fourth motor (32), and the first polishing wheel (17) is in contact with the edge of the cup mouth of the thermos cup; The second polishing structure (5) comprises a second polishing wheel (33), a third moving structure for driving the second polishing wheel (33) to move horizontally, and a fourth moving structure for driving the second polishing wheel (33) to move longitudinally. The third moving structure comprises a third bracket (34), a fifth motor (35), a third screw rod (36) and a third nut seat (37). The third bracket (34) is mounted on the top of the frame (1). A slide groove (38) is provided in the middle of the top of the third bracket (34). Fourth slide rails (39) are fixed on both sides of the top of the third bracket (34). The fifth motor (35) is mounted inside the third bracket (34). The third screw rod (36) is arranged in the third bracket (34) along the extension direction of the slide groove (38) and is fixedly connected to the output shaft of the fifth motor (35). The third nut seat (37) is sleeved on the outside of the third screw rod (36) and its top passes through the slide groove (38). The fourth moving structure comprises a fourth bracket (40), a third base (41), and a third screw rod (36). 1), a fourth screw rod (42), a fourth nut seat (43) and a sliding block (44), the bottom end of the fourth bracket (40) is fixedly connected to the third nut seat (37), the bottom end of the fourth bracket (40) is also fixed with a fourth slide seat (45) for being sleeved on the fourth slide rail (39) and moving along the fourth slide rail (39), the third base (41) is fixed to a side of the fourth bracket (40) close to the mounting seat (7), and the fourth screw rod (42) is rotatably connected in the third base (41) ), the fourth nut seat (43) is sleeved on the outside of the fourth screw rod (42), the sliding block (44) is sleeved on the outside of the third base (41) and moves along the third base (41), one side of the sliding block (44) is fixedly connected to the fourth nut seat (43), the other side of the sliding block (44) is fixed with a sixth motor (46), the second polishing wheel (33) is fixedly connected to the output shaft of the sixth motor (46), and the second polishing wheel (33) is in contact with the side wall of the mouth of the thermos cup; The frame (1) is provided with a cover body (2) which wraps around the tooling structure (3), the first polishing structure (4) and the second polishing structure (5), and is connected to a vacuum cleaner via a pipeline.

2. A CNC polishing machine according to claim 1, Features: A reducer (47) is also provided on the first motor (6); the output shaft of the first motor (6) is connected to the input end of the reducer (47); and the output end of the reducer (47) is fixedly connected to the mounting seat (7).

3. A CNC polishing machine according to claim 2, Features: An inclined plate (48) is fixed on the side of the sliding plate (29) away from the third slide seat (31), and a fifth screw rod (49) arranged along the extension direction of the inclined plate (48) is rotatably connected to the inclined plate (48). Two fifth slide rails (50) located on both sides of the fifth screw rod (49) are also fixed to the inclined plate (48). A fifth nut seat (51) is sleeved on the outside of the fifth screw rod (49), and a connecting plate (52) is fixedly connected to the fifth nut seat (51). A fifth slide seat (53) for sleeved on the fifth slide rail (50) and moving along the fifth slide rail (50) is fixed to the connecting plate (52), and the fourth motor (32) is fixed to the inclined plate (48) along the extension direction of the inclined plate (48).

4. A CNC polishing machine according to claim 3, Features: The fourth screw rod (42) and the fifth screw rod (49) are both fixedly connected with a handle (54).

Images