Fixing device of grinding machine

Abstract

The utility model discloses a fixing device of a grinding machine, which belongs to the technical field of grinding machines and comprises a working table and a grinding machine body, the working table is arranged on the grinding machine body, a clamping mechanism, a moving mechanism and a limiting mechanism are arranged on the working table, and the clamping mechanism comprises an extrusion plate, a threaded rod, a fixing block, a fixing plate and a sleeve. The fixing plate is in a U shape and fixedly connected with the fixing block, the fixing block is movably connected with the workbench, the squeezing plate is arranged on the squeezing plate, a threaded hole is formed in the fixing plate, the sleeve is fixed to the squeezing plate, the threaded rod is in threaded connection with the threaded hole, and the threaded hole is rotationally connected with the sleeve. The workpiece fixing device has the advantages that the two ends of a workpiece are arranged in the fixing plates respectively, the threaded rod is rotated, then the threaded rod vertically moves into the fixing plates, the threaded rod abuts against the extrusion plate, the extrusion plate moves towards the workpiece till the extrusion plate abuts against the workpiece, the workpiece is fixed in the fixing plates, and then the workpiece is further fixed; and the workpiece is prevented from shaking during machining.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, and more specifically, to a fixing device for a grinding machine. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. It can easily polish the surface of the workpiece. When the grinder is used for processing, a fixed fixture is needed to fix and limit the workpiece, so that the workpiece can be ground and processed later.

[0003] At present, a Chinese patent with application number 202122306365.5 on the market discloses a fixing device for an automobile parts processing grinder, including a fixed chassis, a rotating motor and a groove. A connection port is installed on one side wall of the fixed chassis, a power port is provided on one side of the connection port, and the rotating motor is fixedly installed in the fixed chassis.

[0004] In the above patent, although the clamping angle and height of the fixing device can be freely adjusted without manual adjustment by setting a fixed chassis, a rotating motor, an electric telescopic rod, a micro motor and an electric push rod, thereby improving the processing efficiency of automobile parts, the workpieces cannot be well fixed by simply squeezing the workpieces against each other by the fixed chassis. For example, if the workpiece clamping is offset, precision errors will occur during the processing of the workpiece, resulting in unqualified products. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a fixing device for fixing a workpiece on a grinding machine.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A fixing device for a grinder comprises a workbench and a grinder body. The workbench is placed on the grinder body. A clamping mechanism, a moving mechanism and a limiting mechanism are arranged on the workbench in a rectangular shape. The clamping mechanism cooperates with the moving mechanism and two clamping mechanisms are provided. The clamping mechanism comprises an extrusion plate, a threaded rod, a fixed block, a fixed plate and a sleeve. The fixed plate is U-shaped and fixedly connected to one end of the fixed block. The other end of the fixed block is movably connected to the workbench. The extrusion plate is placed on the extrusion plate. A threaded hole is opened on the fixed plate. The sleeve is fixed to the extrusion plate. The threaded rod is threadedly connected to the threaded hole and the threaded rod passes through the threaded hole and is rotatably connected to the sleeve.

[0008] The utility model is further configured such that the moving mechanism includes a first magnet, a second magnet and a slider, a slide groove is provided on the workbench, a fixed block extends into the slide groove and slides, corresponding moving grooves are provided on both sides of the slide groove, a plurality of limiting grooves are provided on both sides of the slide groove, the plurality of limiting grooves are arranged in sequence and connected with the moving groove, the second magnet is embedded in the plurality of limiting grooves, sliders are fixed on both sides of the fixed block, the slider extends into the moving groove and slides, and a first magnet which is attracted to the second magnet is embedded on the slider.

[0009] The utility model is further configured such that the limiting mechanism includes a resistance block, a hydraulic cylinder and a baffle, the resistance block is arranged in a rectangular shape on the workbench, a positioning groove is opened on the resistance block, the baffle is placed in the positioning groove, the hydraulic cylinder is fixed on the resistance block, and the telescopic end of the hydraulic cylinder extends into the positioning groove and is fixedly connected to the baffle.

[0010] The utility model is further configured that a sealing strip is arranged in the slide groove, an opening is arranged on the sealing strip, and the fixing block extends into the slide groove through the opening.

[0011] The utility model is further configured that the bottom of the extrusion plate is provided with anti-slip grooves.

[0012] By adopting the above technical solution, the beneficial effects of the utility model are:

[0013] By placing the two ends of the workpiece in the fixed plate respectively, and then rotating the threaded rod, the threaded rod moves vertically into the fixed plate, and then the threaded rod hits the extrusion plate so that the extrusion plate moves toward the workpiece until the extrusion plate hits the workpiece so that the workpiece is fixed in the fixed plate. At the same time, by providing anti-slip grooves on the extrusion plate, the friction force of the extrusion plate on the workpiece is increased, thereby further fixing the workpiece to prevent the workpiece from shaking during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a fixing device of a grinding machine.

[0015] Figure 2 This is a sectional view of the AA fixture of a grinding machine.

[0016] Figure 3 This is a BB cross-sectional view of a fixing device of a grinding machine.

[0017] Figure 4 is a partial enlarged view of A.

[0018] Figure 5 This is a partial enlarged view of B.

[0019] Description of the drawings: 1-workbench, 2-grinder body, 3-clamping mechanism, 31-extrusion plate, 32-threaded rod, 33-fixed block, 34-fixed plate, 35-sleeve, 4-moving mechanism, 41-first magnet, 42-second magnet, 43-slider, 5-limiting mechanism, 51-resistance block, 52-hydraulic cylinder, 53-baffle, 6-threaded hole, 7-slide groove, 8-moving groove, 9-limiting groove, 10-positioning groove, 11-sealing strip, 12-opening. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 5 The embodiments of the utility model are further described.

[0021] A fixing device for a grinding machine comprises a workbench 1, a grinding machine body 2, a clamping mechanism 3, a moving mechanism 4 and a limiting mechanism 5. The workbench 1 is placed on the grinding machine body 2. The workbench 1 is provided with a clamping mechanism 3 for clamping and fixing a workpiece, a moving mechanism 4 for adjusting the clamping mechanism 3 according to different widths, and a limiting mechanism 5 for adjusting according to different lengths of the workpiece.

[0022] The clamping mechanism 3 includes an extrusion plate 31, a threaded rod 32, a fixed block 33, a fixed plate 34 and a sleeve 35. The holding mechanism is provided with two and is correspondingly placed on the workbench 1. The workbench 1 is provided with a slide groove 7. The fixed blocks 33 on the two clamping mechanisms 3 are both placed in the slide groove 7 to slide. The tops of the two fixed blocks 33 are fixed with fixed plates 34. The fixed plates 34 are U-shaped. The extrusion plate 31 is placed in the fixed plate 34, and the bottom of the extrusion plate 31 is provided with anti-slip grooves. The sleeve 35 is fixed on the extrusion plate 31. The fixed plate 34 is provided with a threaded hole 6. The threaded rod 32 is threadedly connected with the threaded hole 6. The threaded rod 32 penetrates into the fixed plate 34 and is rotatably connected with the sleeve 35.

[0023] By placing the two ends of the workpiece in the fixed plate 34 respectively, and then rotating the threaded rod 32, the threaded rod 32 is vertically moved into the fixed plate 34, and then the threaded rod 32 hits the extrusion plate 31 so that the extrusion plate 31 moves toward the workpiece until the extrusion plate 31 hits the workpiece so that the workpiece is fixed in the fixed plate 34. At the same time, by providing anti-slip grooves on the extrusion plate 31, the friction force of the extrusion plate 31 on the workpiece is increased, thereby further fixing the workpiece to prevent the workpiece from shaking during processing.

[0024] The moving mechanism 4 includes a first magnet 41, a second magnet 42 and a slider 43. Two corresponding moving grooves 8 are formed on both sides of the slide groove 7, and limiting grooves 9 connected to the moving groove 8 are formed on both sides of the slide groove 7. A plurality of limiting grooves 9 are provided and arranged in sequence. Second magnets 42 are embedded in the plurality of limiting grooves 9. A sealing strip 11 is provided in the slide groove 7, and an opening 12 is provided on the sealing strip 11. The fixed block 33 extends into the slide groove 7 through the opening 12. Slide blocks 43 are provided on both sides of the fixed block 33, and the slide blocks 43 slide in the moving groove 8. The slide blocks 43 are provided with first magnets 41 that are mutually attracted to the second magnets 42.

[0025] The fixed block 33 is slid to move in the slide groove 7, and the fixed block 33 drives the slider 43 to move in the moving groove 8. The slider 43 plays a certain guiding role to prevent the fixed block 33 from sliding out of the slide groove 7 when the fixed block 33 moves in the slide groove 7. The slider 43 is inserted into the corresponding limiting groove 9, and the first magnet 41 and the second magnet 42 are attracted to each other to fix the slider 43 in the corresponding limiting groove 9, and then the fixed block 33 is fixed in the slide groove 7.

[0026] The sealing strip 11 is provided to prevent the debris generated during the processing of the workpiece from entering the slide groove 7 , thereby preventing the fixed block 33 from sliding in the slide groove 7 .

[0027] The limiting mechanism 5 includes a resisting block 51, a hydraulic cylinder 52 and a baffle 53. The resisting block 51 is arranged in a rectangular shape on the workbench 1. A positioning groove 10 is formed on the resisting block 51. The baffle 53 is placed in the positioning groove 10. The hydraulic cylinder 52 is fixed on the resisting block 51, and the telescopic end of the hydraulic cylinder 52 extends into the positioning groove 10 and is fixedly connected to the baffle 53.

[0028] When the workpiece is fixed on the fixing plate 34 , the hydraulic cylinder 52 is started to extend the telescopic end of the hydraulic cylinder 52 , thereby driving the baffle 53 to move horizontally until it contacts the workpiece, and then all four baffles 53 contact the workpiece to further fix the workpiece.

[0029] Working principle: first, slide the fixed block 33 in the slide groove 7, and the first magnet 41 on the slider 43 and the second magnet 42 in the limit groove 9 are attracted to each other so that the slider 43 is fixed in the corresponding limit groove 9, and then the workpiece is placed in the fixed plate 34, and then the threaded rod 32 is rotated to make the threaded rod 32 contact the extrusion plate 31, so that the extrusion plate 31 moves toward the surface of the workpiece until the anti-slip groove of the extrusion plate 31 contacts the surface of the workpiece, thereby fixing the workpiece, and then starting the hydraulic cylinder 52 on the four contact blocks 51, so that the telescopic end on the hydraulic cylinder 52 is extended to drive the baffle 53 to move horizontally, until the four baffles 53 all contact the workpiece, thereby further fixing the workpiece, and then starting the grinder body 2 to process the fixed workpiece.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any common changes and substitutions made by those skilled in the art within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device for a grinding machine, comprising a workbench (1) and a grinding machine body (2), wherein the workbench (1) is placed on the grinding machine body (2), and characterized in that: The workbench (1) is provided with a clamping mechanism (3), a moving mechanism (4) and a limiting mechanism (5), wherein the limiting mechanism (5) is arranged in a rectangular shape on the workbench (1), the clamping mechanism (3) and the moving mechanism (4) cooperate, and the clamping mechanism (3) is provided with two. The clamping mechanism (3) comprises an extrusion plate (31), a threaded rod (32), a fixing block (33), a fixing plate (34) and a sleeve (35); the fixing plate (34) is U-shaped and fixedly connected to one end of the fixing block (33); the other end of the fixing block (33) is movably connected to the workbench (1); the extrusion plate (31) is placed on the extrusion plate (31); a threaded hole (6) is formed on the fixing plate (34); the sleeve (35) is fixed to the extrusion plate (31); the threaded rod (32) is threadedly connected to the threaded hole (6); and the threaded rod (32) passes through the threaded hole (6) and is rotatably connected to the sleeve (35).

2. A fixing device for a grinding machine according to claim 1, characterized in that: The moving mechanism (4) comprises a first magnet (41), a second magnet (42) and a slider (43); a slide groove (7) is provided on the workbench (1); the fixed block (33) extends into the slide groove (7) and slides; corresponding moving grooves (8) are provided on both sides of the slide groove (7); a plurality of limiting grooves (9) are provided on both sides of the slide groove (7); the plurality of limiting grooves (9) are arranged in sequence and communicate with the moving groove (8); the second magnet (42) is embedded in the plurality of limiting grooves (9); sliders (43) are fixed on both sides of the fixed block (33); the slider (43) extends into the moving groove (8) and slides; and the slider (43) is embedded with a first magnet (41) that is mutually attracted to the second magnet (42).

3. A fixing device for a grinding machine according to claim 1, characterized in that: The limiting mechanism (5) comprises a resistance block (51), a hydraulic cylinder (52) and a baffle (53); the resistance block (51) is arranged in a rectangular shape on the workbench (1); a positioning groove (10) is formed on the resistance block (51); the baffle (53) is placed in the positioning groove (10); the hydraulic cylinder (52) is fixed to the resistance block (51); and the telescopic end of the hydraulic cylinder (52) extends into the positioning groove (10) and is fixedly connected to the baffle (53).

4. A fixing device for a grinding machine according to claim 2, characterized in that: A sealing strip (11) is provided in the slide groove (7), an opening (12) is provided on the sealing strip (11), and the fixing block (33) passes through the opening (12) and extends into the slide groove (7).

5. The fixing device for a grinding machine according to claim 1, characterized in that: The bottom of the extrusion plate (31) is provided with anti-slip grooves.

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