Weld joint polishing sander

Abstract

The utility model relates to the technical field of polishing weld seam sanders, in particular to a polishing weld seam sander which comprises a polishing mechanism, a clamping mechanism, a turnover mechanism and a rack, the polishing mechanism is arranged at one end of the rack, the turnover mechanism is arranged at the other end of the rack, and a protective cover is arranged on one side of the polishing mechanism. Two groups of symmetrical clamping mechanisms are arranged on the turnover mechanism; a dust collection mechanism is arranged on the side surface of the protective cover; wherein the number of the clamping mechanisms is two, and each clamping mechanism comprises a fixing ring, a clamping jaw assembly, a servo rotating assembly and a displacement assembly; the fixing ring is fixed to one end of a to-be-machined circular pipe, the clamping jaw assembly clamps the other end of the to-be-machined circular pipe, the fixing ring is fixed to the front end of the displacement assembly, the clamping jaw assembly is slidably connected to the displacement assembly, and the tail end of the displacement assembly is connected with the servo rotating assembly. And the servo rotating assembly is fixed on the turnover mechanism. The device can save the installation time, improve the working efficiency and reduce the environmental burden.

Description

Technical Field

[0001] The utility model relates to the technical field of weld seam sanding machines, in particular to a weld seam sanding machine. Background Art

[0002] Weld grinding sander is a kind of equipment specially used for welding seam grinding and polishing. It has the following advantages: high efficiency, using sander can quickly and efficiently complete welding seam grinding and polishing tasks, compared with traditional manual grinding methods, it can significantly save labor and time costs; high precision, sander has extremely high grinding and polishing precision, can meet the needs of high-end crafts and precision processing, ensure the smoothness and consistency of welding seams; easy to operate, the use of sander is relatively easy to master, even beginners can quickly get started, reducing the skill requirements for operators.

[0003] However, existing sanding machines have disadvantages such as environmental pollution and long time to replace the workpiece to be processed. For example, during the operation of the sanding machine, a large amount of dust and waste will be generated, which is easy to cause environmental pollution and may cause potential harm to the health of workers. Utility Model Content

[0004] In order to overcome the existing deficiencies, the utility model provides a welding seam sanding machine.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a weld grinding sanding machine, characterized in that it includes a polishing mechanism, a clamping mechanism, a flipping mechanism and a frame, wherein one end of the frame is provided with a polishing mechanism, the other end is provided with a flipping mechanism, and one side of the polishing mechanism is provided with a protective cover; two groups of symmetrical clamping mechanisms are provided on the flipping mechanism; a dust suction mechanism is provided on the side of the protective cover; wherein the clamping mechanism is provided with two groups, each group includes a fixing ring, a clamping jaw assembly, a servo rotation assembly and a displacement assembly; the fixing ring is fixed to one end of a round tube to be processed, the clamping jaw assembly clamps the other end of the round tube to be processed, the fixing ring is fixed to the front end of the displacement assembly, the clamping jaw assembly is slidably connected to the displacement assembly, and the rear end of the displacement assembly is connected to the servo rotation assembly; the servo rotation assembly is fixed to the flipping mechanism.

[0006] According to another embodiment of the utility model, the polishing mechanism further includes a lifting cylinder, a motor, a connecting arm and an abrasive belt; the output shaft of the lifting cylinder is connected to one end of the connecting rod, and the other end of the connecting rod is fixed with a motor mounting seat; the motor and the connecting arm are installed on the motor mounting seat, the motor output shaft is connected to the driving wheel, and the middle and tail parts of the connecting arm are respectively provided with a driven wheel and an adjusting wheel; the surfaces of the driving wheel, the driven wheel and the adjusting wheel are wrapped with an abrasive belt.

[0007] According to another embodiment of the utility model, the flipping mechanism further includes a base, a flipping motor and a bracket; the base is fixed at one end of the frame, and a flipping motor is installed on the top; the output shaft of the flipping motor is rotatably connected to the center of the bracket; and clamping mechanisms are symmetrically installed on both sides of the bracket.

[0008] According to another embodiment of the utility model, the dust suction mechanism further includes a dust suction pipe, a dust collecting box and a negative pressure fan; the dust collecting box is arranged on the outside of the protective cover, a negative pressure fan is installed on the top, a filter bag is arranged inside, and a dust suction pipe is arranged at the other end; the dust suction pipe passes through the protective cover, and the front end is fixed inside the protective cover by a bracket.

[0009] According to another embodiment of the utility model, the fixing ring is a semicircular structure with a plurality of threaded holes formed thereon; screws are threadedly connected to the threaded holes, and a non-slip gasket is provided at the front end of the screws.

[0010] According to another embodiment of the utility model, the clamping jaw assembly further includes claws and a clamping jaw pneumatic cylinder; the clamping jaw pneumatic cylinder is a cylindrical structure, with three groups of claws distributed on the top circumference, and the bottom is fixed on the U-shaped plate of the displacement assembly.

[0011] According to another embodiment of the utility model, the servo rotation assembly further includes a base plate and a rotary motor; the rotary motor is fixed to the flip mechanism through a motor seat, and the output end is connected to the base plate through a ball bearing; and a displacement assembly is fixed to the base plate.

[0012] According to another embodiment of the utility model, it further includes that the displacement assembly includes a fixed plate, a rodless cylinder and a U-shaped plate, a group of rodless cylinders are respectively provided on the left and right sides of the fixed plate, a fixing ring is provided on the top, and the tail end is fixed to the base plate of the servo rotation assembly, and the two groups of rodless cylinders are respectively slidably connected with sliders; U-shaped plates are installed on the two groups of sliders, and clamping claw assemblies are installed on the sides of the U-shaped plates.

[0013] The beneficial effect of the utility model is that the weld can be rotated, positioned and polished by the clamping mechanism and the polishing mechanism, and the polishing, grinding and installation and removal of the workpiece can be carried out simultaneously by the flipping mechanism in cooperation with the clamping mechanism, thereby improving work efficiency, reducing operation interval time, and reducing the environmental burden during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2This is a top view of the utility model after removing the protective cover and the dust collection mechanism;

[0017] Figure 3 yes Figure 2 The main view;

[0018] Figure 4 It is a structural schematic diagram of the assembly of the clamping mechanism and the flipping mechanism.

[0019] In the figure, 1, polishing mechanism, 2, clamping mechanism, 3, flipping mechanism, 4, frame, 5, protective cover, 6, dust collection mechanism, 7, fixing ring, 8, clamping claw assembly, 9, servo rotation assembly, 10, displacement assembly, 11, lifting cylinder, 12, motor, 13, connecting arm, 14, sanding belt, 15, base, 16, flipping motor, 17, bracket, 18, dust collection pipe, 19, dust collection box, 20, negative pressure fan, 21, claw, 22, clamping claw pneumatic cylinder, 23, base plate, 24, rotating motor, 25, fixed plate, 26, rodless cylinder, 27, U-shaped plate. DETAILED DESCRIPTION

[0020] like Figure 1 It is a structural schematic diagram of the utility model, a weld grinding sanding machine, characterized in that it includes a polishing mechanism 1, a clamping mechanism 2, a flipping mechanism 3 and a frame 4, wherein the frame 4 is provided with a polishing mechanism 1 at one end, and a flipping mechanism 3 at the other end, and a protective cover 5 is provided on one side of the polishing mechanism 1; two groups of symmetrical clamping mechanisms 2 are provided on the flipping mechanism 3; a dust suction mechanism 6 is provided on the side of the protective cover 5; wherein the clamping mechanism 2 is provided with two groups, each group includes a fixing ring 7, a clamping jaw assembly 8, a servo rotation assembly 9 and a displacement assembly 10; the fixing ring 7 is fixed to one end of the round tube to be processed, the clamping jaw assembly 8 clamps the other end of the round tube to be processed, the fixing ring 7 is fixed to the front end of the displacement assembly 10, the clamping jaw assembly 8 is slidably connected to the displacement assembly 10, and the rear end of the displacement assembly 10 is connected to the servo rotation assembly 9; the servo rotation assembly 9 is fixed to the flipping mechanism 3.

[0021] According to another embodiment of the utility model, the polishing mechanism 1 further includes a lifting cylinder 11, a motor 12, a connecting arm 13 and a sanding belt 14; the output shaft of the lifting cylinder 11 is connected to one end of the connecting rod, and the other end of the connecting rod is fixed with a motor 12 mounting seat; the motor 12 and the connecting arm 13 are installed on the motor 12 mounting seat, the output shaft of the motor 12 is connected to the driving wheel, and the middle and tail parts of the connecting arm 13 are respectively provided with a driven wheel and an adjusting wheel; the surfaces of the driving wheel, the driven wheel and the adjusting wheel are wrapped with a sanding belt 14.

[0022] Specifically, the lifting cylinder 11 drives the connecting rod to rotate, thereby driving the motor 12 and the connecting arm 13 to rotate, and the motor 12 drives the driving wheel, the driven wheel and the adjusting wheel to rotate the sanding belt 14 to grind the round pipe weld.

[0023] According to another embodiment of the utility model, the flipping mechanism 3 further includes a base 15, a flipping motor 16 and a bracket 17; the base 15 is fixed at one end of the frame 4, and a flipping motor 16 is installed on the top; the output shaft of the flipping motor 16 is rotated to connect the center of the bracket 17; the clamping mechanism 2 is symmetrically installed on both sides of the bracket 17.

[0024] According to another embodiment of the utility model, the dust suction mechanism 6 further includes a dust suction pipe 18, a dust collecting box 19 and a negative pressure fan 20; the dust collecting box is arranged on the outside of the protective cover 5, and the negative pressure fan 20 is installed on the top, a filter bag is arranged inside, and a dust suction pipe 18 is arranged at the other end; the dust suction pipe 18 passes through the protective cover 5, and the front end is fixed inside the protective cover 5 by a bracket 17.

[0025] Specifically, the negative pressure fan 20 draws the inside of the dust box 19 into a negative pressure, and the dust in the negative pressure environment is sucked into the dust box 19 through the dust suction pipe 18.

[0026] According to another embodiment of the utility model, the fixing ring 7 is a semicircular structure with a plurality of threaded holes formed thereon; screws are threadedly connected to the threaded holes, and a non-slip gasket is provided at the front end of the screw to prevent the round tube from being scratched.

[0027] Specifically, the fixing ring 7 does not need to completely clamp the round tube to be processed. Its function is to cooperate with the clamping jaw assembly 8 for positioning to prevent it from falling off during processing. The main fixation still relies on the clamping jaw assembly 8, and the function of the screw is to adjust the size according to the tube diameter.

[0028] According to another embodiment of the utility model, the clamping jaw assembly 8 further includes claws 21 and a clamping jaw pneumatic cylinder 22; the clamping jaw pneumatic cylinder 22 is a cylindrical structure, with three groups of claws 21 distributed on the top circumference, and the bottom is fixed on the U-shaped plate 27 of the displacement assembly 10.

[0029] According to another embodiment of the utility model, the servo rotation assembly 9 further includes a base plate 23 and a rotary motor 24; the rotary motor 24 is fixed to the flip mechanism 3 through a motor seat, and the output end is connected to the base plate 23 through a ball bearing; and a displacement assembly 10 is fixed to the base plate 23.

[0030] According to another embodiment of the utility model, the displacement assembly 10 further includes a fixed plate 25, a rodless cylinder 26 and a U-shaped plate 27, a group of rodless cylinders 26 are respectively provided on the left and right sides of the fixed plate 25, a fixing ring 7 is provided on the top, and the tail end is fixed to the base plate 23 of the servo rotation assembly 9, and the two groups of rodless cylinders 26 are respectively slidably connected with sliders; U-shaped plates 27 are installed on the two groups of sliders, and clamping jaw assemblies 8 are installed on the sides of the U-shaped plates 27.

[0031] Specifically, the rodless cylinder 26 drives the slider to slide, so that the U-shaped plate 27 is displaced along the direction of the fixed plate 25, which is convenient for grinding the inside of the round tube.

[0032] In the specific operation process, the round tube to be processed is installed on the flipping mechanism 3 through the clamping mechanism 2, flipped to the position of the protective cover 5 through the flipping mechanism 3, and the round tube to be processed is sent into the protective cover 5 through the displacement component 10 in the clamping mechanism 2. The servo rotation component 9 cooperates with the displacement component 10 to rotate and displace, so that the polishing mechanism 1 can grind the weld. The dust and debris generated after grinding are collected by the dust suction mechanism 6. While grinding, the round tube that has been polished is removed from another set of clamping mechanisms 2, and then a new round tube to be processed is fixed in the clamping mechanism 2.

[0033] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all will fall within the scope of protection of the present invention.

Claims

1. A weld sanding machine, characterized in that: The invention comprises a polishing mechanism (1), a clamping mechanism (2), a flipping mechanism (3) and a frame (4); the polishing mechanism (1) is provided at one end of the frame (4), the flipping mechanism (3) is provided at the other end, and a protective cover (5) is provided on one side of the polishing mechanism (1); the flipping mechanism (3) is provided with two groups of symmetrical clamping mechanisms (2); a dust collecting mechanism (6) is provided on the side of the protective cover (5); wherein the clamping mechanism (2) is provided with two groups, each group comprising a fixing ring (7), a clamping jaw assembly (8), a servo rotating assembly (9) and a displacement assembly (10); the fixing ring (7) is fixed to one end of a round tube to be processed, the clamping jaw assembly (8) clamps the other end of the round tube to be processed, the fixing ring (7) is fixed to the front end of the displacement assembly (10), the clamping jaw assembly (8) is slidably connected to the displacement assembly (10), and the rear end of the displacement assembly (10) is connected to the servo rotating assembly (9); and the servo rotating assembly (9) is fixed to the flipping mechanism (3).

2. The weld sanding machine according to claim 1, characterized in that: The polishing mechanism (1) comprises a lifting cylinder (11), a motor (12), a connecting arm (13) and an abrasive belt (14); the output shaft of the lifting cylinder (11) is connected to one end of a connecting rod, and a motor mounting seat is fixed to the other end of the connecting rod; the motor (12) and the connecting arm (13) are mounted on the motor mounting seat, the output shaft of the motor (12) is connected to a driving wheel, and a driven wheel and an adjusting wheel are respectively provided at the middle and tail of the connecting arm (13); and the surfaces of the driving wheel, the driven wheel and the adjusting wheel are wound with an abrasive belt (14).

3. The weld sanding machine according to claim 1, characterized in that: The flip mechanism (3) comprises a base (15), a flip motor (16) and a bracket (17); the base (15) is fixed to one end of the frame (4), and the flip motor (16) is installed on the top; the output shaft of the flip motor (16) is rotatably connected to the center of the bracket (17); and the clamping mechanisms (2) are symmetrically installed on both sides of the bracket (17).

4. The weld sanding machine according to claim 1, characterized in that: The dust collection mechanism (6) comprises a dust collection pipe (18), a dust collection box (19) and a negative pressure fan (20); the dust collection box is arranged outside the protective cover (5), the negative pressure fan (20) is installed on the upper side, a filter bag is arranged inside, and a dust collection pipe (18) is arranged at the other end; the dust collection pipe (18) passes through the protective cover (5), and the front end is fixed inside the protective cover (5) by a bracket (17).

5. The weld sanding machine according to claim 1, characterized in that: The fixing ring (7) is a semicircular structure and is provided with a plurality of groups of threaded holes; screws are threadedly connected to the threaded holes, and anti-slip pads are provided at the front ends of the screws.

6. The weld sanding machine according to claim 1, characterized in that: The clamping jaw assembly (8) comprises claws (21) and a clamping jaw pneumatic cylinder (22); the clamping jaw pneumatic cylinder (22) is a cylindrical structure, with three groups of claws (21) distributed around the top circumference, and the bottom is fixed on the U-shaped plate (27) of the displacement assembly (10).

7. The weld sanding machine according to claim 1, characterized in that: The servo rotation assembly (9) comprises a base plate (23) and a rotary motor (24); the rotary motor (24) is fixed to the flip mechanism (3) via a motor seat, and an output end is connected to the base plate (23) via a ball bearing; a displacement assembly (10) is fixed to the base plate (23).

8. The weld sanding machine according to claim 1, characterized in that: The displacement assembly (10) comprises a fixed plate (25), a rodless cylinder (26) and a U-shaped plate (27). A group of rodless cylinders (26) are respectively provided on the left and right sides of the fixed plate (25), with a fixing ring (7) provided at the top and a tail end fixed to a base plate (23) of a servo rotation assembly (9). The two groups of rodless cylinders (26) are respectively slidably connected to sliders; the two groups of sliders are mounted with U-shaped plates (27), and the sides of the U-shaped plates (27) are mounted with a clamping claw assembly (8).

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