High-precision auxiliary positioning device of surface grinding machine

Abstract

The utility model discloses a high-precision auxiliary positioning device of a surface grinding machine, which relates to the technical field of grinding machine positioning devices, and comprises a bottom fixing plate, the left side and the right side of the top of the bottom fixing plate are respectively welded with a side base plate, and the top end of each side base plate is provided with a clamping plate assembly convenient for accurately clamping a special-shaped workpiece. According to the high-precision auxiliary positioning device of the surface grinding machine, by arranging the side edge base plate, the first electric cylinder, the push plate, the fixing base, the insertion plate sheath, the insertion plate groove and the metal insertion plates, when the high-precision auxiliary positioning device is used, the metal insertion plates with different lengths are selected according to the shape of the side edge of a workpiece, and the metal insertion plates are inserted into the insertion plate groove of the insertion plate sheath; the multiple sets of metal inserting plates with different lengths can be matched with workpieces with different edge shapes, the first electric cylinders on the side edge base plates are started and push the push plates to be close, the metal inserting plates can abut against the edges of the workpieces, accurate positioning is achieved, and the function of accurately clamping the special-shaped workpieces is achieved; the problem that the device does not have the function of accurately clamping special-shaped workpieces is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machine positioning devices, in particular to a high-precision auxiliary positioning device for a surface grinding machine. Background Art

[0002] A surface grinder is a type of grinding machine that mainly uses a grinding wheel to rotate and grind the workpiece to achieve the required flatness. It is mostly used for processing metal workpieces.

[0003] During the machining process, current surface grinders mostly use vises to assist in positioning the workpiece to prevent problems such as workpiece displacement during the grinding process. The vises currently available on the market for positioning workpieces in surface grinders are mostly similar in structure. They are generally flat-mouthed clamps with smooth clamping surfaces and can only clamp workpieces with regular edges. Workpieces with irregular edges cannot be clamped accurately, and are prone to loosening and uneven force. They do not have the function of accurately clamping irregular workpieces.

[0004] Now, a new type of high-precision auxiliary positioning device for surface grinder is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a high-precision auxiliary positioning device for a surface grinder to solve the problem that the background technology mentioned above does not have the function of accurately clamping special-shaped workpieces.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision auxiliary positioning device for a surface grinder, comprising a bottom fixing plate, side pads welded on the left and right sides of the top of the bottom fixing plate, and fixing blocks welded at the middle positions of the left and right sides of the bottom fixing plate, the top of the fixing block is plugged with fixing bolts from top to bottom, and the top of the side pad is provided with a clamping plate assembly for accurately clamping special-shaped workpieces.

[0007] The splint assembly includes two groups of first electric cylinders, which are respectively installed on the top of the side pads. The side of the first electric cylinder near the side pad is fixedly connected to a push plate, and the side of the push plate far from the first electric cylinder is fixedly connected to a fixed seat. The side of the fixed seat far from the first electric cylinder is fixedly connected to multiple groups of plug-in plate sheaths, and the inside of the plug-in plate sheath is provided with a plug-in plate groove, and the inside of the plug-in plate groove is laterally plugged with a metal plug-in plate.

[0008] Preferably, the bottom ends of the push plate and the fixing seat are flush with the top ends of the side pads, and the push plate and the fixing seat can slide left and right along the top ends of the side pads.

[0009] Preferably, the bottom end of the insert plate sheath is higher than the top end of the side pad, and the insert plate sheaths are arranged at equal intervals.

[0010] Preferably, the shape and size of the interior of the plug-in plate slot are adapted to the shape and size of the exterior of the metal plug-in plate, and the metal plug-in plate can be pulled left and right along the interior of the plug-in plate slot.

[0011] Preferably, a support plate is provided on one side of the plug-in slot near the fixed seat, two groups of pressure sensors are installed on one side of the plug-in sheath near the fixed seat, multiple groups of micro-display screens are fixedly connected to the top of the fixed seat, the support plate and pressure sensors are connected, and the pressure sensors and micro-display screens are electrically connected.

[0012] Preferably, four groups of positioning pins are welded at the middle position of the top of the bottom fixed plate, a workpiece support block is placed horizontally at the middle position of the top of the bottom fixed plate, and positioning grooves are respectively provided at the four corners of the bottom end of the workpiece support block. Two groups of second electric cylinders are installed at the middle position inside the workpiece support block, the position dimensions of the positioning pins correspond to the position dimensions of the positioning grooves, and the bottom end of the second electric cylinder is connected to the top of the bottom fixed plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-precision auxiliary positioning device of the surface grinder not only realizes the function of accurately clamping special-shaped workpieces, but also realizes the function of clamping force feedback and the function of fine-tuning the height of the workpiece;

[0014] (1) By providing a side pad, a first electric cylinder, a push plate, a fixing seat, a plate sheath, a plate slot and a metal plate, when in use, the bottom fixing plate is placed horizontally on the workbench of the grinder and fixed by locking the fixing bolts on the fixing block, then the workpiece is placed horizontally on the top of the workpiece support block and the height is adjusted, and metal plates of different lengths are selected according to the shape of the side of the workpiece, and the metal plates are inserted into the plate slots of the plate sheath. Multiple groups of metal plates of different lengths can adapt to workpieces with different edge shapes, and the first electric cylinder on the side pad is started and pushes the push plate together, so that the metal plate can be pressed against the edge of the workpiece to achieve precise positioning, thereby realizing the function of accurately clamping special-shaped workpieces;

[0015] (2) By providing a support plate, a pressure sensor and a micro-display, when in use, as the metal insert plate is pressed against the edge of the workpiece, the stressed metal insert plate pushes the support plate, and the pressure sensor senses the pressure from the metal insert plate on the support plate in real time, and the micro-display displays the pressure value, making it convenient for the operator to replace the metal insert plate according to the value to make it accurately matched, thereby realizing the function of clamping force feedback;

[0016] (3) By providing a workpiece support block, a positioning groove, a positioning pin rod and a second electric cylinder, the actual height of the workpiece can be adjusted according to the thickness of the workpiece during use. When it needs to be raised, the second electric cylinder in the workpiece support block extends downward, and the workpiece support block is affected by the reaction force and moves upward. The positioning groove and the positioning pin rod can ensure that the workpiece support block moves up and down smoothly and stably, thereby realizing the function of fine-tuning the workpiece height. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front view structural diagram of the utility model;

[0018] Figure 2 This is an enlarged schematic diagram of the fixing seat of the utility model from a top view;

[0019] Figure 3 This is a schematic diagram of an enlarged front cross-sectional structure of the insert plate sheath of the present invention;

[0020] Figure 4 This is a schematic diagram of an enlarged front cross-sectional structure of a workpiece support block of the present invention.

[0021] In the figure: 1. Bottom fixing plate; 2. Side pad; 3. Fixing block; 4. Fixing bolt; 5. First electric cylinder; 6. Push plate; 7. Fixing seat; 8. Insert plate sheath; 9. Insert plate slot; 10. Metal insert plate; 11. Support plate; 12. Pressure sensor; 13. Micro display screen; 14. Workpiece support block; 15. Positioning slot; 16. Positioning pin rod; 17. Second electric cylinder. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figure 1-4 A high-precision auxiliary positioning device for a surface grinder comprises a bottom fixing plate 1, with side pads 2 welded to the left and right sides of the top of the bottom fixing plate 1, and fixing blocks 3 welded to the middle positions of the left and right sides of the bottom fixing plate 1. The top of the fixing block 3 is plugged with fixing bolts 4 from top to bottom. The top of the side pad 2 is provided with a clamping plate assembly for accurately clamping special-shaped workpieces.

[0024] See also Figure 1-4A high-precision auxiliary positioning device for a surface grinder also includes a clamping plate assembly, which includes two groups of first electric cylinders 5. The two groups of first electric cylinders 5 are respectively installed on the top of the side pads 2. The side of the first electric cylinder 5 near the side pad 2 is fixedly connected to a push plate 6, and the side of the push plate 6 far from the first electric cylinder 5 is fixedly connected to a fixing seat 7. The side of the fixing seat 7 far from the first electric cylinder 5 is fixedly connected to multiple groups of plug-in plate sheaths 8. The inside of the plug-in plate sheath 8 is provided with a plug-in plate slot 9, and the inside of the plug-in plate slot 9 is laterally plugged with a metal plug-in plate 10;

[0025] The bottom ends of the push plate 6 and the fixing seat 7 are flush with the top ends of the side pads 2. The push plate 6 and the fixing seat 7 can slide left and right along the top ends of the side pads 2. The bottom ends of the inserting plate sheaths 8 are higher than the top ends of the side pads 2. The inserting plate sheaths 8 are arranged at equal intervals. The shape and size of the inner part of the inserting plate slot 9 match the shape and size of the outer part of the metal inserting plate 10. The metal inserting plate 10 can be pulled left and right along the inner part of the inserting plate slot 9 to match the edge of the workpiece and achieve precise clamping.

[0026] Specifically, if Figure 1 、 Figure 2 and Figure 3 As shown, metal insert plates 10 of different lengths are selected according to the shape of the side of the workpiece, and the metal insert plates 10 are inserted into the insert plate slots 9 of the insert plate sheath 8. Multiple groups of metal insert plates 10 of different lengths can adapt to workpieces with different edge shapes. The first electric cylinder 5 on the side pad 2 is started and pushes the push plate 6 together, and the metal insert plates 10 can be pressed against the edge of the workpiece to achieve precise positioning.

[0027] Example 2: A support plate 11 is provided on one side of the insert slot 9 near the fixed seat 7. Two sets of pressure sensors 12 are installed on the side of the insert sheath 8 near the fixed seat 7. Multiple sets of micro-displays 13 are fixedly connected to the top of the fixed seat 7. The support plate 11 and the pressure sensors 12 are connected, and the pressure sensors 12 and the micro-displays 13 are electrically connected, so that the insert can be adjusted according to pressure feedback;

[0028] Specifically, if Figure 2 and Figure 3 As shown, the stressed metal insert plate 10 pushes the support plate 11, and the pressure sensor 12 senses the pressure from the metal insert plate 10 on the support plate 11 in real time. The micro display screen 13 displays the pressure value, which makes it convenient for the operator to replace the metal insert plate 10 according to the value to make it accurately matched.

[0029] Example 3: Four groups of positioning pins 16 are welded at the middle position of the top of the bottom fixing plate 1, a workpiece support block 14 is horizontally placed at the middle position of the top of the bottom fixing plate 1, and positioning grooves 15 are respectively provided at the four corners of the bottom end of the workpiece support block 14. Two groups of second electric cylinders 17 are installed at the middle position inside the workpiece support block 14. The position and size of the positioning pins 16 correspond to the position and size of the positioning grooves 15. The bottom end of the second electric cylinder 17 is connected to the top of the bottom fixing plate 1, and the height of the workpiece can be adjusted;

[0030] Specifically, if Figure 1 and Figure 4 As shown, the second electric cylinder 17 in the workpiece support block 14 extends downward, and the workpiece support block 14 will move upward under the influence of the reaction force. The positioning groove 15 and the positioning pin rod 16 can ensure that the workpiece support block 14 moves up and down smoothly and stably.

[0031] Working principle: When the present invention is in use, first, the bottom fixing plate 1 is placed horizontally on the workbench of the grinder and fixed by tightening the fixing bolts 4 on the fixing block 3. Then, the workpiece is placed horizontally on top of the workpiece support block 14 and the height is adjusted. According to the shape of the side of the workpiece, metal insert plates 10 of different lengths are selected and the metal insert plates 10 are inserted into the insert plate slots 9 of the insert plate sheath 8. Multiple groups of metal insert plates 10 of different lengths can be adapted to workpieces with different edge shapes. The first electric cylinder 5 on the side pad 2 is started and pushes the push plate 6 together, so that the metal insert plate 10 can be pressed against the edge of the workpiece to achieve precise positioning. As the metal insert plate 10 presses against the edge of the workpiece, the stressed metal insert plate 10 pushes the support plate 11. The pressure sensor 12 senses the pressure from the metal insert plate 10 on the support plate 11 in real time. The micro display screen 13 displays the pressure value, which is convenient for the operator to replace the metal insert plate 10 according to the value to make it accurately matched. The actual height can be adjusted according to the thickness of the workpiece. When it needs to be raised, the second electric cylinder 17 in the workpiece support block 14 extends downward, and the workpiece support block 14 will move upward under the influence of the reaction force. The positioning groove 15 and the positioning pin rod 16 can ensure that the workpiece support block 14 moves up and down smoothly and stably.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A high-precision auxiliary positioning device for a surface grinder, comprising a bottom fixing plate (1), characterized in that: Side pads (2) are welded to the left and right sides of the top of the bottom fixing plate (1), and fixing blocks (3) are welded to the middle positions of the left and right sides of the bottom fixing plate (1). The top of the fixing block (3) is plugged with a fixing bolt (4) from top to bottom. The top of the side pad (2) is provided with a clamping plate assembly for accurately clamping special-shaped workpieces. The splint assembly includes two groups of first electric cylinders (5), and the two groups of the first electric cylinders (5) are respectively installed on the top of the side pad (2), and the side of the first electric cylinder (5) near the side pad (2) is fixedly connected to a push plate (6), and the side of the push plate (6) far from the first electric cylinder (5) is fixedly connected to a fixed seat (7), and the side of the fixed seat (7) far from the first electric cylinder (5) is fixedly connected to multiple groups of plug-in plate sheaths (8), and the plug-in plate slot (9) is provided inside the plug-in plate slot (9), and a metal plug-in plate (10) is horizontally inserted inside.

2. The high-precision auxiliary positioning device for a surface grinder according to claim 1, characterized in that: The bottom ends of the push plate (6) and the fixing seat (7) are flush with the top ends of the side pads (2), and the push plate (6) and the fixing seat (7) can slide left and right along the top ends of the side pads (2).

3. The high-precision auxiliary positioning device for a surface grinder according to claim 1, characterized in that: The bottom end of the insert plate sheath (8) is higher than the top end of the side pad (2), and the insert plate sheaths (8) are arranged at equal intervals.

4. The high-precision auxiliary positioning device for a surface grinder according to claim 1, characterized in that: The shape and size of the interior of the inserting plate slot (9) are adapted to the shape and size of the exterior of the metal inserting plate (10), and the metal inserting plate (10) can be pulled left and right along the interior of the inserting plate slot (9).

5. The high-precision auxiliary positioning device for a surface grinder according to claim 1, characterized in that: A support plate (11) is provided on one side of the insert plate slot (9) near the fixed seat (7), two groups of pressure sensors (12) are installed on one side of the insert plate sheath (8) near the fixed seat (7), and multiple groups of micro display screens (13) are fixedly connected to the top of the fixed seat (7), the support plate (11) and the pressure sensor (12) are connected, and the pressure sensor (12) and the micro display screen (13) are electrically connected.

6. The high-precision auxiliary positioning device for a surface grinder according to claim 1, characterized in that: Four groups of positioning pins (16) are welded at the middle position of the top of the bottom fixed plate (1), a workpiece support block (14) is horizontally placed at the middle position of the top of the bottom fixed plate (1), and positioning grooves (15) are respectively provided at the four corners of the bottom of the workpiece support block (14). Two groups of second electric cylinders (17) are installed at the middle position inside the workpiece support block (14), the position size of the positioning pins (16) corresponds to the position size of the positioning grooves (15), and the bottom end of the second electric cylinder (17) is connected to the top of the bottom fixed plate (1).

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