CN212918855U

CN212918855U - Handheld plate groove grinding device

Info

Publication number: CN212918855U
Application number: CN202021841289.7U
Authority: CN
Inventors: 钟洪波; 杨启华; 赵金奎; 曾强; 李绍强; 姚永军; 杨传
Original assignee: Chengdu Xin Jiuda Machinery Equipment Co ltd
Current assignee: Chengdu Xin Jiuda Machinery Equipment Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-09
Anticipated expiration: 2030-08-28

Abstract

The application provides a hand-held type panel groove grinding device, includes: mounting bracket, straining device and sanding area. The mounting frame comprises a fixing frame and an adjusting frame, the fixing frame and the adjusting frame are both L-shaped, the vertical section of the adjusting frame is connected with the vertical section of the fixing frame in a sliding manner, the horizontal section of the adjusting frame is provided with a driven roller, the horizontal section of the fixing frame is provided with a driving wheel, and the driving wheel is connected with a motor; the tensioning mechanism is arranged between the fixing frame and the adjusting frame in a penetrating way and is provided with a tensioning wheel, and the tensioning wheel is adjusted along the vertical direction of the connecting line of the driving wheel and the driven roller; the periphery of drive wheel and passive gyro wheel and take-up pulley is located to the area cover of polishing. The work efficiency is high, and operating stability is good, and it is effectual to polish.

Description

Handheld plate groove grinding device

Technical Field

The utility model belongs to the pipe fitting manufacturing field especially relates to a hand-held type panel groove grinding device.

Background

At present, large-scale steel pipe fittings for various buildings and bridges are usually manufactured by bending, welding and other processes of plates. In order to ensure that the pipe fitting has good welding strength, the upper surface and the lower surface of the edge of the welded plate are required to be subjected to groove processing, the groove processing methods widely applied at present comprise flame cutting, mechanical processing and carbon arc gouging, the plate specifications of the pipe fitting used for manufacturing buildings and bridges are large, and the pipe fitting is more suitable for flame cutting. The groove and the edge are still rough after flame cutting, and the welding quality can be ensured only by further polishing. According to the thickness of the plate, the size of the pipe fitting, the structure of the welding seam and other requirements, the angles of the grooves of different plates are different, and because the plate is large in specification and inconvenient to machine, manual grinding is usually adopted. The traditional polishing mode adopts a traditional blade type polishing machine to polish grooves on two sides and edges of a plate repeatedly in a reciprocating mode, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a hand-held type panel groove grinding device can polish to the groove and border of panel upper and lower face simultaneously, can accomplish the work of polishing along panel border one time, very big improvement work efficiency.

In order to realize the purpose of the utility model, the following scheme is proposed:

a hand-held panel groove grinding device, includes: mounting bracket, straining device and sanding area.

The mounting frame comprises a fixing frame and an adjusting frame, the fixing frame and the adjusting frame are both L-shaped, the vertical section of the adjusting frame is connected with the vertical section of the fixing frame in a sliding manner, the horizontal section of the adjusting frame is provided with a driven roller, the horizontal section of the fixing frame is provided with a driving wheel, and the driving wheel is connected with a motor;

the tensioning mechanism is arranged between the fixing frame and the adjusting frame in a penetrating way and is provided with a tensioning wheel, and the tensioning wheel is adjusted along the vertical direction of the connecting line of the driving wheel and the driven roller;

the periphery of drive wheel and passive gyro wheel and take-up pulley is located to the area cover of polishing.

Furthermore, handles are arranged on two sides of the vertical section of the fixing frame and are of a triangular structure.

Further, straining device includes the carriage, and the mounting groove has been seted up at the carriage middle part, and the spout has been seted up to mounting groove both sides wall, and the wheel fork is located in the take-up pulley rotation, and the spout is located in the wheel fork slip, and the take-up pulley is located the mounting groove.

Furthermore, the wheel fork is movably connected with an adjusting screw rod, the adjusting screw rod is matched with the sliding frame through threads along the moving direction of the tensioning wheel and penetrates through the sliding frame, the adjusting screw rod is provided with a locking nut, and the locking nut is located outside the sliding frame.

Furthermore, the fixed frame is provided with a rectangular hole, and the sliding frame penetrates through the rectangular hole.

Furthermore, the two sides of the fixing frame are provided with baffle plates, and the polishing belt is positioned between the two baffle plates.

Furthermore, the lower section of the vertical section of the fixing frame is provided with a mounting hole, the vertical section of the adjusting frame penetrates through the mounting hole, and the side wall of the mounting hole is provided with a locking screw which is used for fixing the adjusting frame.

Furthermore, the driving wheel, the driven roller and the tensioning wheel are provided with flanges at two end faces, and the polishing belt is positioned between the flanges.

The beneficial effects of the utility model reside in that:

1. the working efficiency is high, the flexibility of the polishing belt is utilized, so that the polishing belt can be simultaneously contacted with the grooves and the edges of the upper surface and the lower surface of the plate, the grooves and the edges of the upper surface and the lower surface of the plate at the same position can be simultaneously polished, and the polishing work can be finished at one time;

2. the flexibility of the polishing belt is utilized, and meanwhile, the movement of the adjusting frame and the tightness of the polishing belt are controlled by matching with the tensioning wheel, so that the polishing device can polish grooves with different angles, and can adjust according to the thickness of a plate, and a better polishing effect is realized;

3. the operation stability is good, and the mount both sides all are equipped with the handle, are convenient for hold, and the handle design is the triangle-shaped structure moreover, can rely on the both sides of handle to carry out the power of all directions when the base of handle is held to the hand, and landing when effectively preventing to operate.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows a construction diagram of the present application;

FIG. 2 illustrates the connection of the tensioning mechanism to the mounting bracket;

FIG. 3 shows an exploded view of the structure of the tensioning mechanism;

fig. 4 shows an embodiment of the present application.

The labels in the figure are: 10-mounting frame, 11-fixing frame, 111-driving wheel, 112-rectangular hole, 12-adjusting frame, 121-driven roller, 13-motor, 14-handle, 15-baffle, 16-locking screw, 17-connecting plate, 20-tensioning mechanism, 21-tensioning wheel, 22-sliding frame, 221-mounting groove, 222-sliding groove, 23-wheel fork, 24-adjusting screw, 25-locking nut, 26-bottom plate and 30-polishing belt.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1-3, a hand-held plate groove grinding device comprises: mounting bracket 10, tensioning mechanism 20, and sanding belt 30.

Specifically, mounting bracket 10 includes mount 11 and alignment jig 12, and mount 11 all is "L" shape with the whole appearance of alignment jig 12, and the cross-section is the rectangle structure, and the vertical section sliding connection of alignment jig 12 is in the vertical section of mount 11, and the hypomere of the vertical section of mount 11 is equipped with the mounting hole, and in the mounting hole was worn to locate by the vertical section of alignment jig 12, the mounting hole lateral wall was equipped with locking screw 16, through 16 fixed alignment jigs 12 of locking screw. The horizontal section of the adjusting bracket 12 is provided with a driven roller 121, the horizontal section of the fixing bracket 11 is provided with a driving wheel 111, and the driving wheel 111 is connected with a motor 13. By moving the relative position of the adjusting frame 12 and the fixing frame 11, the distance between the driving wheel 111 and the driven roller 121 can be changed, and when the plate is thin, the distance between the driving wheel 111 and the driven roller 121 can be shortened, so that the groove of the grinding belt 30 and the plate is attached more tightly. When the plate is thick, the distance between the driving wheel 111 and the driven roller 121 can be properly adjusted.

The fixed frame 11 is welded with a connecting plate 17 at the position of the driving wheel 111, the motor 13 is arranged on the connecting plate 17 through screws, and the rotating shaft of the motor 13 is connected with the driving wheel 111. The motor 13 is connected with a power supply of a factory through a power line, and a control switch is arranged on the power line, so that the control at any time is convenient.

More specifically, handles 14 are arranged on two sides of the vertical section of the fixing frame 11, and the handles 14 are in a triangular structure. For the convenience of operation, the control switch on the power cord is fixedly installed on the handle 14 on one side, and the control switch can be fixed by a ribbon or a screw, so that the assembly and disassembly are convenient. The operator can choose to install the control switch on the left or right side of the handle 14 according to his own habit.

Specifically, the tensioning mechanism 20 is disposed through the fixing frame 11 and located between the fixing frame 11 and the adjusting frame 12, the tensioning mechanism 20 is provided with a tensioning wheel 21, and the tensioning wheel 21 is adjusted along a vertical direction of a connecting line between the driving wheel 111 and the driven roller 121. Because the distance between the driving wheel 111 and the driven roller 121 is changed, the tension of the polishing belt 30 is also changed, and the polishing belt 30 can have a proper tension by adjusting the position of the tension wheel 21. Is helpful for improving the polishing effect.

Specifically, the grinding belt 30 is sleeved on the driving wheel 111, the driven roller 121 and the tensioning wheel 21.

Preferably, the driving wheel 111, the driven roller 121 and the tension wheel 21 are provided with flanges at both end surfaces, and the polishing belt 30 is located between the flanges to prevent the polishing belt 30 from falling off.

More specifically, as shown in fig. 3, the tensioning wheel 21 is installed, the tensioning mechanism 20 includes a sliding frame 22, a height of the sliding frame 22 is smaller than a diameter of the tensioning wheel 21, an installation groove 221 is formed in a middle portion of the sliding frame 22, a width of the installation groove 221 is larger than a thickness of the tensioning wheel 21, sliding grooves 222 are formed in two side walls of the installation groove 221, the sliding grooves 222 are arranged along a moving direction of the tensioning wheel 21, that is, a direction perpendicular to a connecting line between the driving wheel 111 and the driven roller 121, the tensioning wheel 21 is rotatably arranged on a wheel fork 23 through a bearing, the wheel fork 23 is slidably arranged on.

The adjustment of the tension wheel 21 can be performed in various ways, and as shown in fig. 3, the present embodiment adopts a screw adjustment method. Specifically, the outer end face of the wheel fork 23 is movably connected with an adjusting screw 24, the adjusting screw 24 can rotate around the axis of the adjusting screw 24 relative to the wheel fork 23, and the axis of the adjusting screw 24 is intersected with the middle point of the axis of the tension wheel 21. The adjusting screw 24 passes through the sliding frame 22 along the moving direction of the tension wheel 21, and the adjusting screw 24 is in threaded fit with the sliding frame 22, i.e. the hole of the sliding frame 22 for penetrating the adjusting screw 24 is a threaded hole. The adjusting screw 24 is provided with a lock nut 25, the lock nut 25 being located outside the carriage 22. The adjusting screw 24 is locked and fixed by rotating the adjusting screw 24 to adjust the position of the tension wheel 21 in the slide slot 222 and then tightening the lock nut 25 toward the sliding frame 22, and the adjusting screw 24 needs to be held to prevent the rotation. The screw type adjusting mode can realize the adjustment of the random position of the tension wheel 21, and is convenient for controlling the pressure of the grinding belt 30. The tensioning wheel 21 can also adopt a polished rod and positioning pin type adjusting mode, namely, a fixed positioning hole is arranged on the sliding frame 22, a plurality of adjusting holes are arranged on the polished rod along the length direction, the positioning pin simultaneously penetrates through the positioning hole and adjusts the empty position of the tensioning wheel 21, the positioning hole corresponds to different adjusting holes to enable the tensioning wheel 21 to be in different adjusting positions, and the adjusting position of the tensioning wheel 21 is determined according to the distance and the position of the adjusting holes and can only be adjusted at a fixed position.

More specifically, as shown in fig. 2, a rectangular hole 112 is formed in the middle of the vertical section of the fixing frame 11, the direction of the rectangular hole 112 is the same as the adjusting direction of the tensioning wheel 21, the sliding frame 22 is inserted into the rectangular hole 112, and the sliding frame 22 and the rectangular hole 112 may be in interference fit or in clearance fit. In order to increase the stability of the connection, a bottom plate 26 is arranged at the bottom of the sliding frame 22, and the bottom plate 26 is connected to the fixed frame 11 by screws. The base plate 26 is also provided with a threaded hole for attachment of the adjustment screw 24.

Preferably, the two sides of the fixing frame 11 are provided with the baffles 15, and the polishing belt 30 is positioned between the two baffles 15. The purpose is to protect the operator and prevent the sanding belt 30 from causing injury to the operator.

The specific implementation process comprises the following steps: firstly, adjusting the distance between the driving wheel 111 and the driven roller 121 according to the thickness of the plate, wherein the smaller the plate is, the smaller the distance is, and the adjusting frame 12 is fixed by using a locking screw 16; in the trial operation, the handle 14 is held by hand to attach the polishing belt 30 to the edge of the plate, the tightness of the polishing belt 30 is sensed, and the tensioning wheel 21 is adjusted in a state that the polishing belt 30 can completely cover the grooves on the upper and lower surfaces of the plate, so that the polishing belt 30 is in a tightened state. The adjustment of the tensioning wheel 21 can be referred to above and will not be described here. The sanding operation can then be started by holding the handle 14 with both hands and turning on the control switch to move the sanding device from one end of the sheet material to the other.

The foregoing is merely a preferred embodiment of the invention and is not intended to be exhaustive or to limit the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a hand-held type panel groove grinding device which characterized in that includes:

the mounting frame (10) comprises a fixing frame (11) and an adjusting frame (12), the fixing frame (11) and the adjusting frame (12) are both L-shaped, the vertical section of the adjusting frame (12) is connected to the vertical section of the fixing frame (11) in a sliding mode, the horizontal section of the adjusting frame (12) is provided with a driven roller (121), the horizontal section of the fixing frame (11) is provided with a driving wheel (111), and the driving wheel (111) is connected with a motor (13);

the tensioning mechanism (20) is arranged between the fixed frame (11) and the adjusting frame (12) in a penetrating mode, a tensioning wheel (21) is arranged on the tensioning mechanism (20), and the tensioning wheel (21) is adjusted in the vertical direction of a connecting line of the driving wheel (111) and the driven roller (121);

and the grinding belt (30) is sleeved on the periphery of the driving wheel (111), the driven roller (121) and the tension wheel (21).

2. The hand-held plate groove grinding device according to claim 1, wherein handles (14) are arranged on two sides of the vertical section of the fixing frame (11), and the handles (14) are in a triangular structure.

3. The handheld plate groove grinding device according to claim 1, wherein the tensioning mechanism (20) comprises a sliding frame (22), a mounting groove (221) is formed in the middle of the sliding frame (22), sliding grooves (222) are formed in two side walls of the mounting groove (221), the tensioning wheel (21) is rotatably arranged on a wheel fork (23), the wheel fork (23) is slidably arranged on the sliding grooves (222), and the tensioning wheel (21) is located in the mounting groove (221).

4. A hand-held plate groove grinding device according to claim 3, wherein an adjusting screw (24) is movably connected to the wheel fork (23), the adjusting screw (24) is engaged with the screw in the moving direction of the tension wheel (21) and passes through the sliding frame (22), the adjusting screw (24) is provided with a lock nut (25), and the lock nut (25) is located outside the sliding frame (22).

5. The hand-held plate groove grinding device according to claim 3 or 4, wherein the fixing frame (11) is provided with a rectangular hole (112), and the sliding frame (22) is arranged through the rectangular hole (112).

6. The hand-held plate groove grinding device according to claim 1, wherein two sides of the fixing frame (11) are provided with baffle plates (15), and the grinding belt (30) is located between the two baffle plates (15).

7. The handheld plate groove grinding device according to claim 1, wherein a mounting hole is formed in a lower section of a vertical section of the fixing frame (11), a vertical section of the adjusting frame (12) penetrates through the mounting hole, a locking screw (16) is arranged on a side wall of the mounting hole, and the adjusting frame (12) is fixed through the locking screw (16).

8. The device for groove grinding of plate material according to claim 1, wherein the driving wheel (111) and the driven roller (121) and the tension wheel (21) are provided with flanges at both end faces, and the grinding belt (30) is located between the flanges.