Superfinishing polishing machine

Abstract

The invention relates to the technical field of polishing machines, and particularly discloses an ultra-fine polishing machine which comprises a machine box body, a first abrasive paper polishing assembly and a second abrasive paper polishing assembly which are symmetrically arranged are arranged at the top of the machine box body, and the first abrasive paper polishing assembly and the second abrasive paper polishing assembly are driven through a driving motor; a round hole is formed in the middle of the top of the machine box body, and a polishing wheel is arranged in the round hole. The polishing wheel is in transmission connection with the polishing motor; according to the polishing device, a workpiece is placed on the first abrasive paper polishing assembly and the second abrasive paper polishing assembly, the two driving motors drive the first abrasive paper polishing assembly and the second abrasive paper polishing assembly to work, and therefore the two side faces of the workpiece are polished; meanwhile, a polishing motor located at the bottom of the workpiece drives a polishing wheel to rotate at a high speed, so that the bottom of the workpiece is polished; along with the continuous movement of the workpiece, the two sides and the bottom surface of the workpiece can be polished; and the polishing efficiency is greatly improved through simultaneous polishing operation of multiple surfaces.

Description

Technical Field

[0001] The invention relates to the technical field of polishing machines, in particular to a super-finishing polishing machine. Background Art

[0002] In actual production, the surface of the workpiece is usually ground and polished by high-speed rotating polishing tools (such as polishing wheels, polishing pads, etc.) in combination with polishing agents. The polishing tool rotates at high speed driven by the motor to evenly apply the polishing agent to the surface of the workpiece. The tiny particles in the polishing agent rub against the surface of the workpiece under the action of the rotating force, gradually removing the tiny bumps and flaws on the surface of the workpiece, so that the surface of the workpiece becomes smooth and flat. At the same time, some ultra-fine polishing machines can also achieve better polishing effects by precisely controlling polishing parameters such as pressure, speed and time.

[0003] A Chinese patent document with announcement number CN219945742U discloses an integrated high-precision polishing turntable, including a support assembly, a workbench, a connecting assembly, a transmission assembly, a protective assembly and a sealing assembly. The support assembly includes a support frame and a support plate, the connecting assembly includes a support bearing, a connecting shaft one and a connecting shaft two, the transmission assembly includes a servo motor, a planetary reducer and a driver, the protective assembly includes an outer protective cover and an inner protective cover, and the sealing assembly includes a bearing seat seal, a table seal and a shaft seal.

[0004] The high-precision polishing turntable in the above patent can only perform single-side polishing when polishing a workpiece, and cannot achieve multi-side polishing, and the polishing accuracy is low.

[0005] Based on this, the present invention is proposed. Summary of the invention

[0006] In view of this, the present invention aims at the deficiencies in the prior art, and its main purpose is to provide an ultra-fine polishing machine that can achieve multi-faceted polishing with high polishing accuracy.

[0007] To achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A superfinishing polishing machine comprises a machine housing, which is arranged in a trapezoidal shape, and a first sandpaper polishing assembly and a second sandpaper polishing assembly which are symmetrically arranged are arranged on the top of the machine housing, and a driving motor is arranged at the bottom of each of the first sandpaper polishing assembly and the second sandpaper polishing assembly, and the two driving motors are fixed inside the machine housing;

[0009] A screw adjustment assembly is provided on one side of the first sandpaper polishing assembly away from the second sandpaper polishing assembly, and the screw adjustment assembly is connected with the first sandpaper polishing assembly and fixed on the top of the chassis;

[0010] A circular hole is provided in the middle of the top of the housing, and a polishing wheel is provided in the circular hole; the housing is located between the first sandpaper polishing assembly and the second sandpaper polishing assembly; the polishing wheel is in driving connection with the polishing motor;

[0011] The polishing motor is fixed on one side of the mounting plate; the mounting plate is connected with a screw feed assembly, and the screw feed assembly is fixed inside the chassis.

[0012] Furthermore, two guide plates are fixed on the top of the chassis, and the contacting ends of the two guide plates are provided with C-shaped grooves for facilitating the protrusion of the polishing wheel; the upper surface of the polishing wheel is flush with the upper surfaces of the two guide plates; the bottom of the two guide plates away from the chassis are supported and fixed by legs.

[0013] Furthermore, a rear bracket is fixed to the upper rear end of the chassis, and the rear bracket is connected to a fixed roller conduction assembly through a U-shaped frame; a movable roller conduction assembly for workpiece transmission is provided on the opposite side of the fixed roller conduction assembly; and suspension rods are fixed to the tops of both ends of the movable roller conduction assembly;

[0014] The suspension rod is arranged in a T-shape, and the upper end of the suspension rod is slidably connected to the slide groove at the bottom of the hanger; the hanger is fixedly connected to the rear side bracket.

[0015] Furthermore, a drive frame is fixed to one end of the movable roller conduction assembly away from the feeding assembly. The drive frame is arranged in an inverted U shape, and the other end of the drive frame is fixed to the cylinder rod of the sliding cylinder; the sliding cylinder is fixed in two U-shaped frames.

[0016] Furthermore, the feeding assembly is fixedly connected to the movable roller conduction assembly through an angle code; the bottom of the feeding assembly is slidably connected to the sliding table, and the sliding table is fixedly connected to the guide plate; a raised plate is fixed on the inner side of the fixed roller conduction assembly near one end of the feeding assembly; the width of the raised plate is the width of the side of the workpiece.

[0017] Furthermore, the feeding assembly comprises a box shell, and two locking holes are provided on the outer side of the box shell; a pushing assembly is movably connected to the inner side of each locking hole, and a pushing plate is fixed to the inner side of the two pushing assemblies;

[0018] The pushing assembly has a guide rod fixed to the pushing plate, and a spring is sleeved on the guide rod; the spring is located between the pushing plate and the inner wall of the box shell; the outer end of the guide rod is also fixed with a rotatable locking block, and the outer end of the block is fixed with a pull ring that penetrates to the outside of the locking hole.

[0019] Furthermore, the connection between the polishing wheel and the polishing motor is located inside the dust collecting hood, and a negative pressure pipe is also connected to the outside of the dust collecting hood.

[0020] Furthermore, a workpiece transmission assembly is mounted on the movable roller transmission assembly; the workpiece transmission assembly includes a trolley frame, and guide wheels sliding on the top and bottom of the movable roller transmission assembly are mounted on the inner side of the trolley frame; a driving wheel is mounted on the outer side of the trolley frame, and the driving wheel is fitted and connected with the movable roller transmission assembly and is in transmission connection with the first transmission assembly;

[0021] The lower end of the trolley frame is equipped with a workpiece driving wheel; the workpiece driving wheel is in transmission connection with the second transmission assembly; and the second transmission assembly is fixed to the trolley frame.

[0022] Furthermore, the movable roller conduction assembly and the fixed roller conduction assembly each include a C-shaped shell, and a plurality of rotating shaft rollers are arranged inside the C-shaped shell.

[0023] Furthermore, a controller is also provided inside the chassis.

[0024] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that:

[0025] 1. In the present invention, a workpiece is placed between a first sandpaper polishing assembly and a second sandpaper polishing assembly, and two driving motors drive the first sandpaper polishing assembly and the second sandpaper polishing assembly to work, thereby grinding two sides of the workpiece; at the same time, a polishing motor located at the bottom of the workpiece drives the polishing wheel to rotate at high speed, thereby polishing the bottom of the workpiece; as the workpiece continues to move, polishing of both sides and the bottom of the workpiece can be achieved; the simultaneous polishing of multiple surfaces greatly improves the polishing efficiency.

[0026] 2. In the present invention, a plurality of L-shaped workpieces (such as acrylic plates, etc.) are stacked inside the box shell; after a certain amount of L-shaped workpieces are placed, the rotatably locked stopper is rotated 90 degrees to release the fixation on the guide rod; at this time, the push plate is pushed by the spring so that the push plate abuts against the inner side of the L-shaped workpiece; under the action of the spring, the plurality of acrylic plates can be transferred one by one, thereby reducing the number of times the staff frequently loads the materials;

[0027] 3. In the present invention, during polishing, the negative pressure pipe is connected to an external negative pressure dust collecting tank. Under the action of negative pressure, the dust generated by polishing is collected in the dust collecting hood, which effectively avoids the occurrence of dust diffusion and ensures the cleanliness of the work site.

[0028] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0030] Figure 2 The present invention Figure 1 Schematic diagram of the right side mechanism;

[0031] Figure 3 The present invention Figure 2 Right view of;

[0032] Figure 4 The present invention Figure 1 The main view;

[0033] Figure 5 The present invention Figure 4 AA section view;

[0034] Figure 6 The present invention Figure 4 BB cross-sectional view;

[0035] Figure 7 The present invention Figure 2 Schematic diagram of the internal structure;

[0036] Figure 8 The present invention Figure 7 Schematic diagram from another perspective;

[0037] Fig. 9 The present invention Figure 1 An enlarged schematic diagram of point C;

[0038] Fig.10 The present invention Figure 3 An enlarged schematic diagram of point D;

[0039] Fig.11 The present invention Figure 5 An enlarged schematic diagram of point E;

[0040] Fig.12 The present invention Figure 6 An enlarged schematic diagram of point F;

[0041] Fig.13 The present invention Figure 8 An enlarged schematic diagram of point G;

[0042] Fig.14 It is a structural schematic diagram of the box shell in the present invention.

[0043] The reference numerals are as follows:

[0044] 1-chassis, 2-first sandpaper polishing assembly, 3-second sandpaper polishing assembly, 4-screw adjustment assembly, 5-guide plate, 6-leg, 7-workpiece transmission assembly, 8-movable roller conduction assembly, 9-fixed roller conduction assembly, 10-driving frame, 11-sliding cylinder, 12-U-shaped frame, 13-rear bracket, 14-hanging frame, 15-hanging rod, 16-feeding assembly, 17-sliding table, 18-raised plate, 19-controller, 20-dust cover, 21-polishing wheel, 22-polishing motor, 23-mounting plate, 24-screw feeding assembly, 25-driving motor;

[0045] 71-trolley frame, 72-guide wheel, 73-driving wheel, 74-first transmission assembly, 75-workpiece driving wheel, 76-second transmission assembly;

[0046] 161 - box shell, 162 - push plate, 163 - locking hole, 164 - push assembly, 165 - guide rod, 166 - spring, 167 - pull ring. DETAILED DESCRIPTION

[0047] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0048] In order to enable those skilled in the art to better understand the present application, the following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0049] Please refer to Figure 1-14 As shown, it includes a chassis 1, which is arranged in a trapezoidal shape, and a first sandpaper polishing assembly 2 and a second sandpaper polishing assembly 3 are symmetrically arranged on the top of the chassis 1, and a driving motor 25 is provided at the bottom of the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3, and the two driving motors 25 are fixed inside the chassis 1;

[0050] A screw adjustment assembly 4 is provided on one side of the first sandpaper polishing assembly 2 away from the second sandpaper polishing assembly 3. The screw adjustment assembly 4 is connected with the first sandpaper polishing assembly 2 and fixed on the top of the chassis 1.

[0051] A circular hole is provided in the middle of the top of the housing 1 , and a polishing wheel 21 is provided in the circular hole; the housing 1 is located between the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3 ; and the polishing wheel 21 is in transmission connection with a polishing motor 22 .

[0052] By adopting the above technical solution, when in use, the workpiece is first placed on the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3, and the two driving motors 25 drive the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3 to work, so as to grind the two sides of the workpiece; at the same time, the polishing motor 22 located at the bottom of the workpiece drives the polishing wheel 21 to rotate at high speed, so as to polish the bottom of the workpiece; as the workpiece continues to move, the polishing of both sides and the bottom of the workpiece can be achieved; the simultaneous polishing of multiple surfaces greatly improves the polishing efficiency.

[0053] In this embodiment, two guide plates 5 are fixed on the top of the chassis body 1, and the contacting ends of the two guide plates 5 are provided with a C-shaped groove for facilitating the protrusion of the polishing wheel 21; the upper surface of the polishing wheel 21 is flush with the upper surfaces of the two guide plates 5; the bottom of the two guide plates 5 away from the chassis body 1 is supported and fixed by the support legs 6.

[0054] The polishing motor 22 is fixed on one side of the mounting plate 23 ; the mounting plate 23 is connected in cooperation with a screw feed assembly 24 , and the screw feed assembly 24 is fixed inside the chassis 1 .

[0055] By adopting the above technical solution, the height of the polishing motor 22 and the polishing wheel 21 is adjusted through the screw feeding assembly 24 (including a screw, a nut seat, and a bearing seat, which drives the nut seat connected to the mounting plate 23 to slide vertically by rotating the screw), and the polishing accuracy of the workpiece is improved by changing the contact pressure between the polishing wheel 21 and the bottom of the workpiece.

[0056] It is further explained that the setting of the guide plate 5 is to ensure that the workpiece can slide along the guide plate 5 into the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3, and it also has a certain cushioning effect, ensuring that the bottom side of the workpiece is located within the sandpaper polishing range of the first sandpaper polishing assembly 2 and the second sandpaper polishing assembly 3, thereby ensuring the polishing effect of the workpiece.

[0057] In this embodiment, a rear bracket 13 is fixed to the upper rear end of the chassis 1, and the rear bracket 13 is connected to a fixed roller conduction component 9 through a U-shaped frame 12; a movable roller conduction component 8 for workpiece transmission is provided on the opposite side of the fixed roller conduction component 9; and suspension rods 15 are fixed to the tops of both ends of the movable roller conduction component 8;

[0058] The suspension rod 15 is arranged in a T-shape, and the upper end of the suspension rod 15 is slidably connected to the slide groove at the bottom of the suspension bracket 14; the suspension bracket 14 is fixedly connected to the rear side bracket 13.

[0059] To be more specific, a drive frame 10 is fixed to one end of the movable roller conduction component 8 away from the feeding component 16. The drive frame 10 is arranged in an inverted U shape, and the other end of the drive frame 10 is fixed to the cylinder rod of the sliding cylinder 11; the sliding cylinder 11 is fixed in two U-shaped frames 12.

[0060] By adopting the above technical solution, when the sliding cylinder 11 contracts, the driving frame 10 drives the movable roller conduction component 8 to slide along the hanger 14 through the suspension rod 15 set on the top, so that the loading component 16 can be pushed to one side to facilitate the workpiece transmission component 7 to transfer the workpiece remaining on the inner side of the raised plate 18.

[0061] In this embodiment, the loading component 16 is fixedly connected to the movable roller conduction component 8 through an angle code; the bottom of the loading component 16 is slidably connected to the sliding table 17, and the sliding table 17 is fixedly connected to the guide plate 5; a raised plate 18 is fixed to the inner side of the fixed roller conduction component 9 near one end of the loading component 16; the width of the raised plate 18 is the width of the side of the workpiece.

[0062] Specifically, the feeding assembly 16 comprises a box shell 161, and two locking holes 163 are provided on the outer side of the box shell 161; a pushing assembly 164 is movably connected to the inner side of each locking hole 163, and a pushing plate 162 is fixed to the inner side of the two pushing assemblies 164;

[0063] The pushing assembly 164 has a guide rod 165 fixed to the pushing plate 162, and a spring 166 is sleeved on the guide rod 165; the spring 166 is located between the pushing plate 162 and the inner wall of the box shell 161; the outer end of the guide rod 165 is also fixed with a rotatable locking block, and the outer end of the block is fixed with a pull ring 167 that penetrates to the outside of the locking hole 163.

[0064] As a further explanation of this embodiment: acrylic sheets are commonly used in daily life, for example: display cabinets, industrial equipment protective covers, etc. are made of acrylic sheets; sometimes they need to be bonded into an L shape; but after bonding, excess glue will overflow, and the excess glue will also affect the light transmittance of the acrylic sheet; therefore, the bonded parts need to be ultra-polished.

[0065] Since the L-shaped acrylic sheet is rather special, especially when it comes to polishing the bonding parts, the loading method of the L-shaped acrylic sheet is an issue that needs to be optimized urgently, because individual manual loading is very troublesome.

[0066] By adopting the above technical solution, when in use, first pull the pull ring 167 outward so that the guide rod 165 drives the push plate 162 to slide outward. After the rotatable locking block passes through the locking hole 163, the rotatable locking block is rotated 90 degrees so that the guide rod 165 maintains this state; at this time, there is a large space between the push plate 162 and the fixed roller conduction assembly 9, which is convenient for placing the L-shaped acrylic plate.

[0067] Then, multiple L-shaped acrylic plates are stacked inside the box shell 161; after a certain amount of L-shaped acrylic plates are placed, the rotatable locking block is rotated 90 degrees to release the fixation of the guide rod 165; at this time, the push plate 162 is pushed by the spring 166 so that the push plate 162 rests on the inner side of the L-shaped acrylic plate.

[0068] A protruding plate 18 is also fixed at one end of the fixed roller conduction component 9, and the thickness of the protruding plate 18 is the thickness of the vertical side of the L-shaped acrylic plate; therefore, when the movable roller conduction component 8 pushes the box shell 161 to move toward the outer end, an L-shaped acrylic plate will remain in place under the stop of the protruding plate 18; so as to facilitate the transmission of the L-shaped acrylic plate by the workpiece transmission component 7.

[0069] In this embodiment, the connection between the polishing wheel 21 and the polishing motor 22 is located inside the dust collecting cover 20, and the outer side of the dust collecting cover 20 is also connected to a negative pressure pipe.

[0070] During polishing, the negative pressure pipe is connected to an external negative pressure dust collecting tank. Under the action of negative pressure, the dust generated by polishing is collected in the dust collecting hood 20, which effectively avoids the occurrence of dust diffusion and ensures the cleanliness of the work site.

[0071] In this embodiment, the movable roller transmission assembly 8 is equipped with a workpiece transmission assembly 7; the workpiece transmission assembly 7 includes a trolley frame 71, and guide wheels 72 sliding on the top and bottom of the movable roller transmission assembly 8 are equipped on the inner side of the trolley frame 71 (that is, one guide wheel is provided at the top and one guide wheel is provided at the bottom); a driving wheel 73 is equipped on the outer side of the trolley frame 71, and the driving wheel 73 is closely connected with the movable roller transmission assembly 8 and is in transmission connection with the first transmission assembly 74;

[0072] A workpiece driving wheel is mounted on the lower end of the trolley frame 71 ; the workpiece driving wheel is in transmission connection with the second transmission assembly 76 ; the second transmission assembly 76 is fixed to the trolley frame 71 .

[0073] By adopting the above technical solution, when the movable roller conduction component 8 pushes the feeding component 16 to move, the first transmission component 74 drives the driving wheel 73 to rotate, and moves toward one end of the L-shaped acrylic plate along the movable roller conduction component 8 with the cooperation of the two guide wheels 72. When the workpiece driving wheel 75 moves to the L-shaped acrylic plate and fits therewith, the second transmission component 76 drives the workpiece driving wheel 75 to rotate. At this time, the L-shaped acrylic plate will slide along the rotating shaft roller inside the fixed roller conduction component 9 under the drive of the workpiece driving wheel 75; then the cylinder rod of the sliding cylinder 11 extends out, and drives the movable roller conduction component 8 to return to its original position through the driving frame 10. At this time, the L-shaped acrylic plate will gradually enter between the first sandpaper polishing component 2 and the second sandpaper polishing component 3, thereby polishing the L-shaped acrylic plate.

[0074] After the edge of the bonding place at the bottom of the L-shaped acrylic plate and the outer surface of the overflowed glue are polished, the first transmission component 74 drives the driving wheel 73 to rotate, and transmits it out with the cooperation of the rotating shaft rollers inside the movable roller conduction component 8 and the fixed roller conduction component 9, so as to facilitate the polishing of the next L-shaped acrylic plate; this greatly reduces the tediousness of frequent manual loading, thereby improving work efficiency.

[0075] In this embodiment, the movable roller conduction assembly 8 and the fixed roller conduction assembly 9 both include a C-shaped shell, and a plurality of rotating shaft rollers are arranged inside the C-shaped shell.

[0076] In this embodiment, a controller 19 is further disposed inside the chassis 1; the controller 19 is used for electrically controlling each driving element of the device.

[0077] The working principle of the present invention is as follows: when in use, first pull the pull ring 167 outward so that the guide rod 165 drives the push plate 162 to slide outward, and after the rotatable locking block passes through the locking hole 163, the rotatable locking block is rotated 90 degrees so that the guide rod 165 maintains this state; at this time, there is a large space between the push plate 162 and the fixed roller conduction component 9 that is convenient for placing an L-shaped acrylic plate.

[0078] Then, multiple L-shaped acrylic plates are stacked inside the box shell 161; after a certain amount of L-shaped acrylic plates are placed, the rotatable locking block is rotated 90 degrees to release the fixation of the guide rod 165; at this time, the push plate 162 is pushed by the spring 166 so that the push plate 162 is against the inner side of the L-shaped acrylic.

[0079] A protruding plate 18 is also fixed at one end of the fixed roller conduction component 9, and the thickness of the protruding plate 18 is the thickness of the vertical side of the L-shaped acrylic plate; therefore, when the movable roller conduction component 8 pushes the box shell 161 to move toward the outer end, an L-shaped acrylic plate will remain in place under the stop of the protruding plate 18; so as to facilitate the transmission of the L-shaped acrylic plate by the workpiece transmission component 7.

[0080] When the movable roller transmission assembly 8 pushes the feeding assembly 16 to move, the first transmission assembly 74 drives the driving wheel 73 to rotate, and moves toward one end of the L-shaped acrylic plate along the movable roller transmission assembly 8 with the cooperation of the two guide wheels 72. When the workpiece driving wheel 75 moves to the L-shaped acrylic plate and fits with it, the second transmission assembly 76 drives the workpiece driving wheel 75 to rotate. At this time, the L-shaped acrylic plate will slide along the rotating shaft roller inside the fixed roller transmission assembly 9 under the drive of the workpiece driving wheel 75; then the cylinder rod of the sliding cylinder 11 extends out through the driving frame 10 The movable roller conduction component 8 is driven to return to its original position. At this time, the L-shaped acrylic plate will gradually enter between the first sandpaper polishing component 2 and the second sandpaper polishing component 3. The two driving motors 25 drive the first sandpaper polishing component 2 and the second sandpaper polishing component 3 to work, so as to grind the two sides of the workpiece; at the same time, the polishing motor 22 located at the bottom of the workpiece drives the polishing wheel 21 to rotate at high speed, so as to polish the bottom of the workpiece; as the workpiece continues to move, the polishing treatment of both sides and the bottom of the workpiece can be realized; the simultaneous polishing operation of multiple surfaces greatly improves the polishing efficiency.

[0081] After the edge of the bonding place at the bottom of the L-shaped acrylic plate and the outer surface of the overflowed glue are polished, the first transmission component 74 drives the driving wheel 73 to rotate, and transmits it out with the cooperation of the rotating shaft rollers inside the movable roller conduction component 8 and the fixed roller conduction component 9, so as to facilitate the polishing of the next L-shaped acrylic plate; this greatly reduces the tediousness of frequent manual loading, thereby improving work efficiency.

[0082] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A superfinishing polishing machine, characterized in that: The invention comprises a chassis (1), the chassis (1) being arranged in a trapezoidal shape, a first sandpaper polishing assembly (2) and a second sandpaper polishing assembly (3) being arranged symmetrically on the top of the chassis (1), a driving motor (25) being arranged at the bottom of each of the first sandpaper polishing assembly (2) and the second sandpaper polishing assembly (3), and being connected in a transmission manner, and the two driving motors (25) being fixed inside the chassis (1); A screw adjustment assembly (4) is provided on a side of the first sandpaper polishing assembly (2) away from the second sandpaper polishing assembly (3); the screw adjustment assembly (4) is connected to the first sandpaper polishing assembly (2) and is fixed to the top of the chassis (1); A circular hole is provided in the middle of the top of the housing (1), and a polishing wheel (21) is provided in the circular hole; the housing (1) is located between the first sandpaper polishing assembly (2) and the second sandpaper polishing assembly (3); the polishing wheel (21) is drivingly connected to a polishing motor (22); The polishing motor (22) is fixed on one side of the mounting plate (23); the mounting plate (23) is connected in cooperation with a screw feeding assembly (24), and the screw feeding assembly (24) is fixed inside the chassis (1).

2. The superfinishing machine according to claim 1, characterized in that: Two guide plates (5) are fixed on the top of the chassis (1), and the contacting ends of the two guide plates (5) are provided with a C-shaped groove for facilitating the protrusion of the polishing wheel (21); the upper surface of the polishing wheel (21) is flush with the upper surfaces of the two guide plates (5); and the bottoms of the two guide plates (5) at the ends away from the chassis (1) are supported and fixed by legs (6).

3. The superfinishing machine according to claim 1, characterized in that: A rear bracket (13) is fixed to the upper rear end of the chassis (1), and the rear bracket (13) is connected to a fixed roller conduction assembly (9) via a U-shaped frame (12); a movable roller conduction assembly (8) for workpiece transmission is provided on the opposite side of the fixed roller conduction assembly (9); suspension rods (15) are fixed to the tops of both ends of the movable roller conduction assembly (8); The suspension rod (15) is arranged in a T-shape, and the upper end of the suspension rod (15) is slidably connected to the slide groove at the bottom of the suspension bracket (14); the suspension bracket (14) is fixedly connected to the rear side bracket (13).

4. The superfinishing machine according to claim 3, characterized in that: A driving frame (10) is also fixed to one end of the movable roller conduction component (8) away from the feeding component (16); the driving frame (10) is arranged in an inverted U shape, and the other end of the driving frame (10) is fixed to the cylinder rod of the sliding cylinder (11); the sliding cylinder (11) is fixed in two U-shaped frames (12).

5. The superfinishing machine according to claim 4, characterized in that: The feeding assembly (16) is fixedly connected to the movable roller conduction assembly (8) via an angle code; the bottom of the feeding assembly (16) is slidably connected to a sliding platform (17), and the sliding platform (17) is fixedly connected to the guide plate (5); a raised plate (18) is fixedly provided on the inner side of one end of the fixed roller conduction assembly (9) close to the feeding assembly (16); the width of the raised plate (18) is the width of the side surface of the workpiece.

6. The superfinishing machine according to claim 5, characterized in that: The loading assembly (16) comprises a box shell (161), and the outer side of the box shell (161) is provided with two locking holes (163); the inner side of each locking hole (163) is movably connected with a pushing assembly (164), and the inner sides of the two pushing assemblies (164) are fixed with pushing plates (162); The pushing assembly (164) comprises a guide rod (165) fixed to the pushing plate (162), and a spring (166) is sleeved on the guide rod (165); the spring (166) is located between the pushing plate (162) and the inner wall of the box shell (161); a rotatably locked stopper is also fixed to the outer end of the guide rod (165), and a pull ring (167) is fixed to the outer end of the stopper and extends to the outside of the locking hole (163).

7. The superfinishing machine according to claim 1, characterized in that: The connection between the polishing wheel (21) and the polishing motor (22) is located inside the dust collecting cover (20), and the outside of the dust collecting cover (20) is also connected to a negative pressure pipe.

8. The superfinishing machine according to claim 3, characterized in that: The movable roller transmission component (8) is co-installed with a workpiece transmission component (7); the workpiece transmission component (7) comprises a trolley frame (71), on the inner side of which a guide wheel (72) is co-installed and slides on the top and bottom of the movable roller transmission component (8); on the outer side of the trolley frame (71), a driving wheel (73) is co-installed, the driving wheel (73) is closely connected to the movable roller transmission component (8), and is transmission-connected to the first transmission component (74); A workpiece driving wheel is mounted on the lower end of the trolley frame (71); the workpiece driving wheel is in driving connection with a second transmission assembly (76); and the second transmission assembly (76) is fixed to the trolley frame (71).

9. The superfinishing machine according to claim 3, characterized in that: The movable roller conduction assembly (8) and the fixed roller conduction assembly (9) both comprise a C-shaped shell, and a plurality of rotating shaft rollers are arranged inside the C-shaped shell.

10. The superfinishing machine according to claim 1, characterized in that: A controller (19) is also provided inside the chassis (1).

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