CN211103461U - Grinding head protection device of saw blade grinding machine - Google Patents

Abstract

The utility model discloses a grinding head protection device of a saw blade grinding machine, which comprises a protection mechanism, a gear and a bed body. A rotating groove for rotating and installing a screw rod is horizontally opened on the bed body, and an outer wall of one side of the bed body is provided with a rotating groove. A drive motor is installed, and the protection mechanism includes at least an inner plate, an outer plate and a moving block threaded to connect the screw rod. The moving block extends into the interior of the rotating groove and extends along the length of the bed. There is a threaded hole for the screw rod to pass through. One end of the moving block outside the bed is fixedly connected with the connecting block. The connecting block is welded to the center of the bottom panel wall of the outer plate. In the placement slot, the inner plate vertically lifts and slides along the placement slot, and gears are also installed on the inner side of the outer plate, and the side walls of the outer plate are provided with grooves for the gears to pass through. The grinding head protection device of the saw blade grinder has a reasonable structure, effectively improves processing safety, is convenient to operate, and can be widely used.

Description

A grinding head protection device for a saw blade grinder

technical field

The utility model belongs to the technical field of saw blade grinders, in particular to a grinding head protection device of a saw blade grinder.

Background technique

A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinding machines use high-speed rotating grinding wheels for grinding, and a few use other abrasive tools such as oilstone, abrasive belts, and free abrasives for processing, such as honing machines, superfinishing machine tools, belt grinding machines, grinding machines and polishing. The grinder can process materials with higher hardness, such as hardened steel, cemented carbide, etc.; it can also process brittle materials, such as glass and granite. The grinder can perform high-precision grinding with small surface roughness, as well as high-efficiency grinding, such as strong grinding.

Saw blade grinder is also a kind of grinder. Saw blade grinder is small in size, which is easy to move and widely used in machining fields. Although saw blade grinder is small in size, safety cannot be ignored. Most of the existing small-sized saw blade grinders are not equipped with protective devices. , The saw blade and the workpiece are exposed, and it is very easy to accidentally injure workers during reprocessing, and further improvement is required.

Utility model content

The purpose of the present utility model is to provide a grinding head protection device for a saw blade grinder, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a grinding head protection device for a saw blade grinder, comprising a protection mechanism, a gear and a bed body, and a rotating groove for the screw rod to be rotated and installed is horizontally opened on the bed body, And a drive motor is installed on one side outer wall of the bed body;

The protection mechanism at least includes an inner plate, an outer plate and a moving block threadedly connected with the screw rod. The moving block extends into the interior of the rotating groove and extends along the length direction of the bed body. One end of the moving block outside the bed is fixedly connected with the connecting block, the connecting block is welded with the bottom panel wall of the outer plate in the center, and the outer plate is provided with a placement groove inside, and the inner plate The vertical lift and slide along the placement groove, and the inner side of the outer plate is also equipped with a gear, and the side wall of the outer plate is provided with a groove for the gear to pass through;

The gear meshes with the tooth slots on the side wall of the inner plate, and the tooth slots are distributed in a vertical array along the side and outer walls of the inner plate. The end face of the gear is centered on the center of the gear, and there are multiple sets of clamping holes distributed in an annular array.

Preferably, the two end surfaces of the gear are also fixedly connected to one end of the connecting shaft at the center of the circle, and the other end of the connecting shaft is rotatably connected to the inner wall of the outer plate.

Preferably, two sets of limit blocks are vertically welded on one end wall of the tie rod inside the outer plate, and a spring is arranged between the limit blocks and the inner wall of the outer plate.

Preferably, the springs are distributed horizontally and symmetrically at the upper and lower ends of the pull rod, and the two ends of the spring are respectively fixedly connected to the limiting block and the outer plate.

Preferably, the inner plate is a transparent plate, and a button groove is formed above.

Preferably, the lead screw is connected to the output shaft of the driving motor through the bed body.

The technical effects and advantages of the utility model are as follows: the protective device of the grinding head of the saw blade grinding machine can effectively improve the safety of the bed body and protect the operators through the setting of the protective mechanism, and the inner plate is made of transparent material, which is more convenient to observe the working process. The plate and the outer plate are unfolded by stretching, and the operation is convenient. The rotating gear is limited by pulling the pull rod, and then the inner plate is fixed. The principle is easy to realize, the production cost is low, and the use is convenient. The grinding head of the saw blade grinder The protective device has a reasonable structure, effectively improves the processing safety, is easy to operate, and can be widely used.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic structural diagram of a protection mechanism of the present invention;

3 is a schematic diagram of the internal structure of the outer panel of the present invention;

Figure 4 is a side view of the outer panel of the present invention.

In the picture: 1 rotating slot, 2 protective mechanism, 3 screw rod, 4 bed body, 5 driving motor, 6 threaded hole, 7 connecting block, 8 moving block, 9 groove, 10 tooth slot, 11 buckle slot, 12 inner plate , 13 outer plates, 14 gears, 15 placement slots, 16 card holes, 17 connecting shafts, 18 springs, 19 pull rods, 20 limit blocks.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a grinding head protection device for a saw blade grinder as shown in Figures 1-4, which includes a protection mechanism 2, a gear 14 and a bed body 4. The bed body 4 is horizontally provided with a screw rod 3 for rotation. The installed rotating tank 1, and a drive motor 5 is installed on one side outer wall of the bed body 4;

The protection mechanism 2 at least includes an inner plate 12, an outer plate 13 and a moving block 8 that is threadedly connected to the screw rod 3. The moving block 8 extends into the interior of the rotating groove 1 and extends along the length direction of the bed 4 to move. The block 8 is provided with a threaded hole 6 for the screw rod 3 to pass through. One end of the moving block 8 outside the bed body 4 is fixedly connected to the connecting block 7, and the connecting block 7 is centered with the bottom panel wall of the outer plate 13. The outer plate 13 is provided with a placement slot 15, the inner plate 12 vertically lifts and slides along the placement slot 15, and a gear 14 is also installed on the inner side of the outer plate 13. The side wall of the outer plate 13 There is a groove 9 for the gear 14 to pass through;

The gears 14 are engaged with the tooth slots 10 on the side wall of the inner plate 12, and the tooth slots 10 are arranged in a vertical array along the side and outer walls of the inner plate 12. The inner pull rod 19, the end face of the gear 14 takes the center of the gear 14 as the center of the circle, and a plurality of sets of clamping holes 16 are distributed in an annular array. 14 limit, through the setting of the protective mechanism 2, the use safety of the bed body 4 is effectively improved, and the operator is protected.

Specifically, the two ends of the gear 14 are also fixedly connected to one end of the connecting shaft 17 at the center of the circle, and the other end of the connecting shaft 17 is rotatably connected to the inner wall of the outer plate 13. The connecting shaft 17 enables the gear to rotate stably.

Specifically, two sets of limit blocks 20 are vertically welded on one end wall of the tie rod 19 inside the outer plate 13 , and a spring 18 is arranged between the limit blocks 20 and the inner wall of the outer plate 13 , and the elastic force of the spring 18 Reset the lever 19.

Specifically, the springs 18 are distributed horizontally and symmetrically at the upper and lower ends of the pull rod 19 , and the two ends of the spring 18 are respectively fixedly connected to the limiting block 20 and the outer plate 13 .

Specifically, the inner plate 12 is a transparent plate, and a buckle groove 11 is formed on the upper part, and the buckle groove 11 is convenient for pulling by hand.

Specifically, the screw rod 3 is connected to the output shaft of the drive motor 5 through the bed body 4 , and the drive motor 5 drives the screw rod 3 to rotate.

Specifically, the grinding head protection device of the saw blade grinder is first activated when the saw blade grinder is used for processing, and the moving block 8 is then threadedly driven, the outer plate 13 moves to the required position, and then the pull rod 19 is pulled, the spring 18 shrinks, and the pull rod 19 is removed from the interior of the clamping hole 16, and then the inner plate 12 is pulled, the inner plate 12 rises along the interior of the outer plate 13, the tooth slot 10 on the side wall of the inner plate 12 meshes with the gear 14, and the gear 14 rotates according to the needs of the user After pulling the inner plate 12 to the required height, stop pulling, then release the pull rod 19, reset the pull rod 19 by the elastic force of the spring 18, the pull rod 19 moves towards the gear 14, and fits with it, at this time, the gear 14 is slightly rotated , rotate the clamping hole 16 to the position flush with the pull rod 19, the spring 18 will spring the pull rod 19 into the clamping hole 16, the gear 14 is fixed, and the inner plate 12 is also fixed, so that it cannot be moved down and pulled up, so as to protect the sawing machine processing, It avoids the flying of dangerous objects such as chips, and has high safety. The grinding head protection device of the saw blade grinder has a reasonable structure, effectively improves the processing safety, is convenient to operate, and can be widely used.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a bistrique protector of saw blade grinding machine, includes protection machanism (2), gear (14) and bed body (4), its characterized in that: a rotating groove (1) for the screw rod (3) to be rotatably installed is horizontally formed in the bed body (4), and a driving motor (5) is installed on the outer wall of one side of the bed body (4);

the protection mechanism (2) at least comprises an inner plate (12), an outer plate (13) and a moving block (8) in threaded connection with the lead screw (3), the moving block (8) extends into the rotating groove (1) and extends along the length direction of the bed body (4), a threaded hole (6) for the lead screw (3) to pass through is formed in the moving block (8), one end, outside the bed body (4), of the moving block (8) is fixedly connected with the connecting block (7), the connecting block (7) is welded with the middle of the bottom panel wall of the outer plate (13), a placing groove (15) is formed in the outer plate (13), the inner plate (12) vertically ascends and descends and slides along the placing groove (15), a gear (14) is further installed on the inner side edge of the outer plate (13), and a groove (9) for the gear (14) to pass through is formed in the side wall of the outer plate (13);

gear (14) and interior board (12) the meshing of tooth's socket (10) on the wall of limit, the vertical array of side outer wall of interior board (12) is distributed along tooth's socket (10), still vertically install pull rod (19) that stretch into to inside on the wall of board of planking (13), the terminal surface of gear (14) uses the center of gear (14) as the centre of a circle, and it has multiunit card hole (16) to be annular array distribution, pull rod (19) pass the wall of planking (13) and stretch into to card hole (16) inside with gear (14) spacing.

2. The grinding head protection device of a saw blade grinding machine as claimed in claim 1, wherein: and one end of a connecting shaft (17) is fixedly connected to the two end faces of the gear (14) at the position of the circle center, and the other end of the connecting shaft (17) is rotatably connected with the inner wall of the outer plate (13).

3. The grinding head protection device of a saw blade grinding machine as claimed in claim 1, wherein: the pull rod (19) is vertically welded with two groups of limiting blocks (20) on the rod wall at one end inside the outer plate (13), and springs (18) are arranged between the limiting blocks (20) and the inner wall of the outer plate (13).

4. The grinding head protection device of a saw blade grinding machine as claimed in claim 3, wherein: the springs (18) are horizontally and symmetrically distributed at the upper end and the lower end of the pull rod (19), and the two ends of the springs (18) are respectively fixedly connected with the limiting blocks (20) and the outer plate (13).

5. The grinding head protection device of a saw blade grinding machine as claimed in claim 1, wherein: the inner plate (12) is a transparent plate, and a fastening groove (11) is formed in the upper portion of the inner plate.

6. The grinding head protection device of a saw blade grinding machine as claimed in claim 1, wherein: the screw rod (3) penetrates through the bed body (4) and is connected with an output shaft of the driving motor (5).

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