CN209477862U - A kind of floor stand grinder for steel watchcase of polishing - Google Patents

Abstract

The utility model discloses a desktop grinder for grinding a steel watch case, relates to the technical field of grinding equipment, and solves the problem that the grinding of a hand-held workpiece can easily lead to sore arms of the staff and affect the grinding effect of the workpiece. Two grinding wheels are installed on the upper end of the workbench, a protective cover is set on the upper end of the worktable, and an operation port is opened on one side of the protective cover. There is an adjustment piece, one side of the adjustment piece is fixed with a support column, and the end of the support column far away from the adjustment piece is raised and lowered to set an adjustment plunger, one end of the adjustment plunger is fixed with a lower wedge, and one side of the lower wedge is hingedly connected with an upper wedge block, and the upper wedge is hingedly connected with the operating table. The utility model prevents the staff from directly holding the workpiece, makes the grinding of the workpiece more labor-saving, realizes the universal rotation of the operation table, makes the grinding work of the workpiece more convenient, and the grinding work efficiency is higher.

Description

A bench grinder for grinding steel watch cases

technical field

The utility model relates to the technical field of grinding equipment, in particular to a desktop grinder for grinding steel watch cases.

Background technique

Grinding machine is a kind of mechanical processing abrasive tool, which is mainly used for sharpening various knives and tools, and is also used for grinding, deburring and cleaning of ordinary small parts. Its main composition is composed of base, grinding wheel, motor or other power source, bracket, protective cover and so on.

The Chinese patent with the authorized notification number CN202174473U proposes a grinder, the base is connected with a column by welding, and a switch of the grinder is fixed, the column is fixed with a desktop grinder by bolts, and the connection between the desktop grinder and the column A cushion is fixed, and a cavity is arranged inside the pillar.

The above-mentioned existing technical solutions have the following defects: during the grinding process, the staff needs to hold the workpiece all the time for grinding, and the long-term grinding will cause the staff to consume a lot of physical strength, which will easily cause the staff's arms to be sore, and the staff will hold the workpiece later. When the arm force is unstable, it will cause uneven grinding of the workpiece and affect the grinding effect of the workpiece.

Utility model content

The purpose of the utility model is to provide a desktop grinder for grinding a steel watch case which is convenient for the staff to hold and hold the workpiece and at the same time facilitates the adjustment of the grinding position of the workpiece.

The utility model is achieved through the following technical solutions:

A desktop grinder for grinding a steel watch case, comprising a workbench, two grinding wheels are rotatably arranged on the upper end surface of the workbench, and a protective cover is set on the upper end surface of the workbench on the circumference of the grinding wheels, One side of the protective cover is provided with an operation port, and the workbench is movably provided with an operation table for placing workpieces at the operation port;

The upper end surface of the workbench is slidably provided with an adjustment piece, the side of the adjustment piece away from the workbench is fixed with a support column, and the end of the support column away from the adjustment piece is lifted and lowered with an adjustment insertion rod, so A lower wedge is fixed on the end of the adjustment plunger far away from the support column, and an upper wedge is hingedly connected to one side of the lower wedge, and the side of the upper wedge far away from the lower wedge is connected with the operation Table hinged connection.

By adopting the above technical solution, place the workpiece on the console, adjust the adjusting piece to a proper position, and raise the adjusting rod to a suitable height. During the grinding process, swing the console to make the workpiece close to the grinding wheel during the rotation. , so as to grind the workpiece. The utility model avoids the staff to directly hold the workpiece by placing the workpiece on the operating table, so that the grinding of the workpiece is more labor-saving. Rotation in the opposite direction makes the grinding work of the workpiece more convenient and improves the working efficiency of the grinding work.

It is further set as: the workbench is fixed with a fixed ring on the side adjacent to the grinding wheel; The chute fits the glide of the fixed rod.

By adopting the above technical solution, the position of the fixed rod is fixed by using the plug-fitting of the fixed rod and the fixed ring, and the sliding range of the adjusting piece is limited by the sliding fit of the fixed rod and the chute.

It is further provided that: the side of the support column far away from the workbench is provided with a threaded hole that is threadedly connected with the adjusting plunger.

By adopting the above-mentioned technical scheme, the height of the insertion rod relative to the upper end surface of the workbench can be adjusted and adjusted according to the specifications of the workpiece by using the screw transmission of the adjustment rod and the threaded hole, so that it is convenient for the staff to adjust to a suitable grinding angle, and at the same time it is convenient to adjust the insertion rod Installation and disassembly with the support column.

It is further provided that: the outer wall of the support column is pierced with a blocking bolt, and one end of the blocking bolt extends to the inside of the threaded hole and is pressed against the peripheral side of the adjusting insertion rod.

By adopting the above technical solution, the adjusting plunger is pressed against the threaded hole by the pressing bolt, thereby further fixing the adjusting plunger, and avoiding the position shift of the adjusting plunger during the grinding process, which affects the grinding work of the workpiece.

It is further provided that: the end of the protective cover close to the operating table is pierced with a positioning screw, and is covered with an adjustment cover, and the adjustment cover is provided with an arc groove that is slidably adapted to the positioning screw.

By adopting the above technical scheme, the protective area is increased by using the adjustment cover and the protective cover together. At the same time, through the sliding fit between the arc groove and the positioning screw, it is convenient for the staff to adjust the adjustment cover to cover the operation port according to the size of the workpiece. area.

It is further provided that: the workbench is provided with a chip outlet directly below the grinding wheel.

By adopting the above technical proposal, during the grinding process, the grinding waste falls from the chip outlet, preventing the grinding debris from accumulating on the upper surface of the workbench, and making the upper end surface of the workbench cleaner.

It is further provided that: the workbench is fixed with an isolation net at the chip outlet.

By adopting the above-mentioned technical scheme, the isolation net is used for isolation, so as to ensure that only the waste chips of the workpiece can fall into the waste chip box, and avoid the workpiece from falling directly from the chip outlet during the grinding process.

It is further provided that a wear-resistant glass plate is fixed on the side of the operating platform away from the lower wedge.

By adopting the above technical solution, the use of the wear-resistant glass plate can reduce the direct wear of the grinding wheel on the operating table, so that the service life of the operating table is longer.

In summary, the beneficial technical effects of the utility model are:

(1) Use the console to support the workpiece, avoiding the staff holding the workpiece for grinding, so that the grinding work of the workpiece is more labor-saving;

(2) Through the hinged connection of the upper wedge, the lower wedge, and the operation table, the work table can be rotated universally, so that the operation table can be rotated at any time according to the position of the workpiece to be polished, making the grinding work of the workpiece more convenient;

(3) Utilizing the joint action of the fixing ring, the fixing rod, and the adjusting piece, it is convenient to install and disassemble the support column, so as not to affect the grinding of workpieces with larger specifications.

Description of drawings

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

Fig. 2 is a partial enlarged view of part A in Fig. 1;

Fig. 3 is a sectional view along the line B-B in Fig. 1;

Fig. 4 is a partially enlarged view of part C in Fig. 3 .

Reference signs: 1. Workbench; 2. Grinding wheel; 3. Protective cover; 4. Operating port; 5. Operating platform; 6. Adjusting sheet; 7. Support column; 10, upper wedge; 11, fixed ring; 12, fixed rod; 13, chute; 14, threaded hole; 15, pressing bolt; 16, positioning screw; 17, adjusting cover; 18, arc groove; Chip mouth; 20, isolation net; 21, wear-resistant glass plate.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Fig. 1, it is a desktop grinder disclosed by the utility model for grinding a steel case, including a workbench 1, an engine is fixed on the upper surface of the workbench 1, and a rotating shaft is arranged at both ends of the engine, and the rotating shaft is far away from the One end of the engine is fixedly connected with a grinding wheel 2 coaxially. The upper end surface of the workbench 1 is provided with a protective cover 3 on the peripheral side of the grinding wheel 2. One side of the protective cover 3 is provided with an operation port 4. The end of the protective cover 3 away from the workbench 1 is pierced with a set screw 16. The set screw 16 is connected to the The protective cover 3 is threaded. The protective cover 3 is provided with an adjusting cover 17 at one end where the positioning screw 16 is located. The adjusting cover 17 is arranged in a "C" shape. The two ends of the adjusting cover 17 are hingedly connected with both sides of the protective cover 3. The arc groove 18 that fits the positioning screw 16 in a sliding manner. The use of the adjustment cover 17 in conjunction with the protective cover 3 increases the protective area. At the same time, through the sliding fit between the arc groove 18 and the positioning screw 16, it is convenient for the staff to adjust the adjustment cover 17 to cover the operation port 4 according to the size of the workpiece. area.

Referring to Fig. 2 and Fig. 3, the workbench 1 is provided with an operation table 5 for placing workpieces at the operation port 4, and the operation table 5 is in the shape of a cuboid. Referring to FIG. 2 and FIG. 4 , a wear-resistant glass plate 21 is fixed on the side of the operating table 5 away from the workbench 1 , and the wear-resistant glass plate 21 is in the shape of a cuboid. Utilizing the wear-resistant glass plate 21 can reduce the direct wear of the grinding wheel 2 on the operating table 5, so that the service life of the operating table 5 is longer.

Referring to Fig. 2 , the upper end surface of the workbench 1 is slidably provided with an adjustment piece 6, the adjustment piece 6 is in the shape of a cuboid, the side of the workbench 1 adjacent to the grinding wheel 2 is fixed with a fixed ring 11, and the axis of the fixed ring 11 is along the vertical direction. Direction setting, a fixed rod 12 is inserted into the fixed ring 11, and the fixed rod 12 is coaxially arranged on the fixed ring 11. The adjusting piece 6 is sleeved on the side of the fixed rod 12, and the adjusting piece 6 is provided with the fixed rod 12 along the length direction. Sliding slots 13 for the fit. The position of the fixed rod 12 is fixed by the plug-fitting of the fixed rod 12 and the fixed ring 11 , and the sliding fit of the fixed rod 12 and the chute 13 is used to limit the sliding range of the adjusting piece 6 .

A support column 7 is fixed on the side of the adjustment piece 6 away from the workbench 1, the axis of the support column 7 is arranged parallel to the axis of the fixed ring 11, and the end of the support column 7 away from the adjustment piece 6 is lifted and adjusted with an adjustment insertion rod 8, referring to Fig. 4 The side of the support column 7 away from the workbench 1 is provided with a threaded hole 14 which is threadedly connected with the adjusting plunger 8 . Utilizing the screw transmission of the adjusting insert rod 8 and the threaded hole 14, it is convenient to adjust and adjust the height of the insert rod 8 relative to the upper end surface of the workbench 1 according to the specifications of the workpiece, so that the staff can adjust to a suitable grinding angle, and at the same time, it is convenient to adjust the insert rod 8 and the upper end surface of the workbench 1. Installation and disassembly between support columns 7.

The outer wall of the support column 7 is perforated with a tension bolt 15, the axis of the tension bolt 15 is arranged vertically to the axis of the adjustment plunger 8, and one end of the tension bolt 15 extends to the inside of the threaded hole 14 and is tight against the adjustment plunger 8. week side. Utilize the pressing bolt 15 to tighten the adjusting plunger 8 in the threaded hole 14, thereby further fixing the adjusting plunger 8, avoiding the position deviation of the adjusting plunger 8 during the grinding process, which affects the grinding work of the workpiece.

Referring to Fig. 2, a lower wedge 9 is fixed on the end of the adjusting plunger 8 away from the support column 7, and the lower wedge 9 is hingedly connected with an upper wedge 10 on the side adjacent to the support column 7, and the upper wedge 10 is formed into an "L" The upper wedge 10 and the lower wedge 9 are arranged in a font shape, and the opposite sides of the upper wedge 10 and the lower wedge 9 are respectively provided with a concave arc surface and a convex arc surface that fit each other. The cooperation of the concave arc surface and the convex arc surface facilitates the swinging of the upper wedge 10 around the axis of the hinge point. When the convex arc surface and the concave arc surface are fully fitted, the upper wedge 10 and the lower wedge 9 are cylindrical as a whole.

A hinge piece is fixed on the side of the console 5 facing the workbench 1 , and the console 5 is hingedly connected to an end of the upper wedge 10 away from the lower wedge 9 through the hinge piece. Through the hinged connection of the console 5, the upper wedge 10, and the lower wedge 9, the console 5 can be moved along the hinge axis of the console 5 and the upper wedge 10 and the hinge axis of the upper wedge 10 and the lower wedge 9 respectively. swing, so that the console 5 can rotate universally.

Referring to Figure 1, the workbench 1 is provided with a chip outlet 19 right below the grinding wheel 2. During the grinding process, the grinding waste falls from the chip outlet 19 to prevent the grinding debris from accumulating on the upper surface of the workbench 1. , so that the upper end surface of the workbench 1 is cleaner. The workbench 1 is fixed with an isolation net 20 at the chip outlet 19 . Use the isolation net 20 to play an isolation role, avoiding the workpiece from falling directly from the chip outlet 19 during the grinding process.

Implementation principle and beneficial effect of the present embodiment are:

Place the workpiece on the workbench 1, adjust the position of the adjusting piece 6 and the height of the inserting rod 8, and use the pressing bolt 15 to tighten the adjusting inserting rod 8. During the grinding process, according to the position of the workpiece to be polished Swing operating platform 5, workpiece is polished. The utility model can avoid manually holding the workpiece for grinding, so that the grinding work is more labor-saving. At the same time, the universally rotating operation table 5 is convenient for grinding multiple angles of the workpiece, making the grinding work simpler and more convenient, and the efficiency of the grinding work is higher.

The embodiments of this specific embodiment are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model accordingly: all equivalent changes made according to the structure, shape and principle of the present utility model are all valid. Should be covered within the protection scope of the present utility model.

Claims (8)

1. A desktop grinder for grinding steel watch cases, characterized in that it includes a workbench (1), the upper end of the workbench (1) is rotatably provided with two grinding wheels (2), and the workbench The upper end surface of (1) is provided with a protective cover (3) on the peripheral side of the grinding wheel (2), and an operation port (4) is opened on one side of the protective cover (3). An operating platform (5) for placing workpieces is movable at the operating port (4); The upper end surface of the workbench (1) is slidably provided with an adjustment piece (6), and the side of the adjustment piece (6) away from the workbench (1) is fixed with a support column (7), and the support column (7) The end far away from the adjustment piece (6) is provided with an adjustment insertion rod (8), and the end of the adjustment insertion rod (8) away from the support column (7) is fixed with a lower wedge (9), One side of the lower wedge (9) is hingedly connected with an upper wedge (10), and the side of the upper wedge (10) away from the lower wedge (9) is hinged to the operating platform (5) connect. 2. A desktop grinder for grinding steel watch cases according to claim 1, characterized in that, the workbench (1) is fixed with a fixed ring ( 11), the fixing ring (11) is inserted with a fixing rod (12), and the adjusting piece (6) is sheathed on the peripheral side of the fixing rod (12) and is provided to slide with the fixing rod (12). Move the adapted chute (13). 3. A desktop grinder for grinding steel watch cases according to claim 2, characterized in that, the side of the support column (7) away from the workbench (1) is provided with a The threaded hole (14) for the threaded connection of the plunger (8). 4. A desktop grinder for grinding steel watch cases according to claim 3, characterized in that, the outer wall of the support column (7) is pierced with a tension bolt (15), and the tension bolt (15) One end of (15) extends to the inside of the threaded hole (14) and abuts against the peripheral side of the adjusting insertion rod (8). 5. A desktop grinder for grinding steel watch cases according to claim 1, characterized in that, the end of the protective cover (3) close to the console (5) is pierced with a set screw (16 ), and is provided with an adjusting cover (17), and the adjusting cover (17) is provided with an arc groove (18) slidingly adapted to the positioning screw (16). 6. A desktop grinder for grinding steel watch cases according to claim 1, characterized in that the workbench (1) is provided with a chip outlet directly below the grinding wheel (2) ( 19). 7. A desktop grinder for grinding steel watch cases according to claim 6, characterized in that, the workbench (1) is fixed with an isolation net (20) at the chip outlet (19) . 8. A desktop grinder for grinding steel watch cases according to claim 1, characterized in that wear-resistant glass is fixed on the side of the console (5) away from the lower wedge (9) board (21).