Positioning clamp for high-precision guide rail grinding machine

Abstract

The utility model relates to the technical field of clamp tools, in particular to a positioning clamp for a high-precision guide rail grinding machine, which comprises a fixed seat and a rotary table, the rotary table is rotatably connected onto the fixed seat, a fastening screw component is arranged on one side of the rotary table and penetrates through the side wall of the rotary table, and the end of the fastening screw component is abutted against the outer wall of the fixed seat. The clamping device has the beneficial effects that the rotating table is arranged on the fixed seat, the clamping block is arranged in the upper end of the rotating table, the transmission lead screw is driven by the driving part, and the transmission lead screw drives the clamping plates to synchronously move oppositely or oppositely, so that a workpiece to be machined is clamped; in the machining process of the workpiece to be machined, different positions can be ground and machined, at the moment, the rotating table can be rotated, the angle of the rotating table can be adjusted, the grinding position of the workpiece can be replaced, operation can be more convenient and faster, the workpiece can be fixed through the threaded bolt assembly, and angle adjustment can be achieved without fixing the workpiece again.

Description

Technical Field

[0001] The utility model relates to the technical field of fixtures and tools, in particular to a positioning fixture used for a high-precision guide rail grinder. Background Art

[0002] A grinder (grinding machine) is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinders use high-speed rotating grinding wheels for grinding, while a few use other grinding tools such as oilstones, abrasive belts, and free abrasives for processing, such as honing machines, superfinishing machines, belt grinders, grinders, and polishers.

[0003] At present, after the workpiece to be processed is fixed on the processing table, it is inconvenient to adjust the angle of the processing table to adjust the angle of the workpiece to be processed during grinding, so the workpiece can only be fixed after the angle is readjusted, which is very inconvenient. Therefore, the utility model proposes a positioning fixture for a high-precision guide rail grinder to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning fixture for a high-precision guide rail grinder to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a positioning fixture for a high-precision guide rail grinder, comprising

[0006] A fixed seat, on which a rotating table is rotatably connected, a fastening screw assembly is arranged on one side of the rotating table, the fastening screw assembly passes through the side wall of the rotating table, and the end portion abuts against the outer wall of the fixed seat, and the relative position of the fixed seat and the rotating table is fixed and limited by the fastening screw assembly;

[0007] The rotating table is provided with a feed slot, a transmission screw is rotatably connected in the feed slot, and clamping blocks are transmission-connected to the outer sides of both ends of the transmission screw, and the clamping blocks are driven by the transmission screw to move synchronously in the feed slot.

[0008] Preferably, the fastening screw assembly includes a threaded sleeve, which is fixedly connected to the inside of a side wall of one side of the rotating table, a fastening thread is provided in the threaded sleeve, a fastening screw is threadedly connected to the threaded sleeve via the fastening thread, and an end of the fastening screw passes through the threaded sleeve and is connected to the inside and abuts against the outer side wall of the fixed seat.

[0009] Preferably, the clamp block is a "T"-shaped plate structure, with a sliding block fixedly connected to the lower end of the clamp block, a threaded hole is provided on the sliding block, the threaded hole is sleeved on the outside of the transmission screw, and is connected and driven by the transmission screw, and a plurality of anti-slip protrusions evenly distributed in an array are protruding from the inner side wall of the clamp block.

[0010] Preferably, one end of the transmission screw passes through the side wall of the feed groove and is connected to the outside, and a driving part is provided at the end, and the driving part includes a positioning plate which is sleeved on the outside of the end of the transmission screw, and one side of the positioning plate is fixedly connected to the outside of the side wall of the turntable, and the positioning plate is in a circular ring shape, and a plurality of positioning holes evenly distributed in a circular array are opened on the outer side wall of the positioning plate.

[0011] Preferably, a folding handle is rotatably mounted on the end of the transmission screw, and the folding handle is provided in two symmetrical groups, and an elastic positioning structure is provided on the inner side of the end of the folding handle.

[0012] Preferably, the elastic positioning structure includes a limiting slide groove provided on the inner side of the end of the folding handle, and a guide slider is connected to the limiting sliding inside the limiting slide groove. The guide slider is square-shaped, and a pull rod is fixedly connected to the upper and lower ends. A movable groove corresponding to the pull rod is provided on the folding handle, and the pull rod passes through the movable groove and is connected to the outside. A positioning plug rod is fixedly connected to the front end of the guide slider, and the front end of the positioning plug rod extends out of the limiting slide groove and is connected to the outside, and is inserted into a positioning hole provided on the outside of the positioning plate to position the folding handle, and then the transmission screw is limited by the folding handle to restrict its rotation. A support spring is also provided in the limiting slide groove, and the support spring support is provided between the end of the limiting slide groove and the guide slider, and the support spring includes an internal telescopic support rod and a spring sleeved on the outside.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model realizes clamping of the workpiece by arranging a rotating table on a fixed seat, arranging a clamping block inside the upper end of the rotating table, and driving a transmission screw through a driving part, and the transmission screw drives the clamping plate to move relatively or oppositely synchronously, and during the processing of the workpiece, it may be necessary to grind different positions, at this time, the rotating table can be rotated, the angle of the rotating table can be adjusted, and the grinding position of the workpiece can be changed, which can make the operation more convenient and quick, and it only needs to be fixed by a threaded bolt assembly, and there is no need to re-fix the workpiece to adjust the angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the left structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the second working state of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the driving part and the clamping block in the utility model;

[0019] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at point A in the middle.

[0020] In the figure: 1 fixed seat, 2 rotating table, 3 feed groove, 4 clamping block, 5 transmission screw, 6 threaded sleeve, 7 fastening screw, 8 driving part, 9 slider, 10 anti-slip bump, 11 positioning plate, 12 positioning hole, 13 folding handle, 14 limiting slide groove, 15 guide slider, 16 positioning rod, 17 support spring. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0025] See also Figures 1 to 5 The utility model provides a technical solution: a positioning fixture for a high-precision guide rail grinder, comprising

[0026] A fixed seat 1 is rotatably connected to a rotating table 2, a fastening screw assembly is provided on one side of the rotating table 2, the fastening screw assembly passes through the side wall of the rotating table 2, and the end of the fastening screw assembly abuts against the outer wall of the fixed seat 1, and the relative position of the fixed seat 1 and the rotating table 2 is fixed and limited by the fastening screw assembly;

[0027] A rotating table 2 is provided with a feed slot 3, a transmission screw 5 is rotatably connected in the feed slot 3, and clamping blocks 4 are transmission-connected to the outer sides of both ends of the transmission screw 5, and the clamping blocks 4 are driven by the transmission screw 5 to move synchronously in the feed slot 3;

[0028] The fastening screw assembly includes a threaded sleeve 6, which is fixedly connected to the inside of a side wall of the rotating table 2. A fastening thread is arranged in the threaded sleeve 6. A fastening screw 7 is threadedly connected to the threaded sleeve 6 through the fastening thread. The end of the fastening screw 7 passes through the threaded sleeve 6 and is connected to the inside, and abuts against the outside of the side wall of the fixing seat 1. The position of the rotating table 2 is fixed by the fastening screw 7, and the fastening screw 7 can also be used as a handle. The rotating table can be pushed and rotated by the fastening screw 7. The fastening screw 7 facilitates the rotating table 2 to drive the workpiece to rotate, so as to adjust the grinding position and increase the convenience of use.

[0029] The clamp block 4 is a "T"-shaped plate structure, and a slider 9 is fixedly connected to the lower end of the clamp block 4. A threaded hole is formed on the slider 9, and the threaded hole is sleeved on the outside of the transmission screw 5, and is connected and driven by the transmission screw 5. A plurality of anti-slip protrusions 10 evenly distributed in an array are protruded on the inner side wall of the clamp block 4;

[0030] One end of the transmission screw 5 passes through the side wall of the feed groove 3 and is connected to the outside, and a driving part 8 is provided at the end thereof. The driving part 8 includes a positioning plate 11 sleeved on the outside of the end of the transmission screw 5, and one side of the positioning plate 11 is fixedly connected to the outside of the side wall of the rotating table 2. The positioning plate 11 is in a circular ring shape, and a plurality of positioning holes 12 evenly distributed in a circular array are provided on the outer wall of the positioning plate 11. In actual operation, the folded folding handle 13 can be stretched out by pulling out the positioning plug rod 16 at the end of the folding handle 13, so that the transmission screw 4 can be rotated by the folding handle 13, and then the clamping block 4 can be controlled to move relative or opposite to each other by rotating the transmission screw 4 to achieve clamping of the workpiece. When the grinding angle of the workpiece needs to be adjusted during processing, the rotating table 2 can be rotated, and then the position of the rotating table 2 and the fixing seat 1 can be fixed by the tightening screw assembly, and there is no need to re-fix the adjustment of the angle to be processed.

[0031] A folding handle 13 is rotatably mounted on the end of the transmission screw 5, and the folding handle 13 is provided with two symmetrical groups, and an elastic positioning structure is provided on the inner side of the end of the folding handle 13;

[0032] The elastic positioning structure includes a limiting slide groove 14 opened on the inner side of the end of the folding handle 13, and a guide slider 15 is connected to the limiting slide groove 14 in a limiting sliding manner. The guide slider 15 is in a square shape, and a pull rod is fixedly connected to the upper and lower ends. A movable groove corresponding to the pull rod is opened on the folding handle 13, and the pull rod passes through the movable groove and is connected to the outside. A positioning rod 16 is fixedly connected to the front end of the guide slider 15, and the front end of the positioning rod 16 extends out of the limiting slide groove 14 and is connected to the outside, and is inserted into the positioning hole 12 opened on the outside of the positioning plate 11, so that the folding handle The hand 13 is positioned, and then the transmission screw 4 is limited by the folding handle 13 to restrict its rotation. A support spring 17 is also arranged in the limiting slide groove 14. The support spring 17 is supported and arranged between the end of the limiting slide groove 14 and the guide slider 15. The support spring 17 includes an internal telescopic support rod and a spring sleeved on the outside. In actual use, when the folding handle 13 is folded, it is convenient to insert the positioning rod 16 into the positioning hole 12, so that the transmission screw 5 can be fixed, and the clamping stability of the workpiece to be processed can be ensured.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for a high-precision guide rail grinder, characterized in that: include A fixed seat (1), wherein a rotating platform (2) is rotatably connected to the fixed seat (1), a fastening screw assembly is arranged on one side of the rotating platform (2), the fastening screw assembly passes through the side wall of the rotating platform (2), and the end of the fastening screw assembly abuts against the outer wall of the fixed seat (1), and the relative position of the fixed seat (1) and the rotating platform (2) is fixed and limited by the fastening screw assembly; A rotating table (2) is provided with a feed groove (3), a transmission screw (5) is rotatably connected in the feed groove (3), and clamping blocks (4) are transmission-connected to the outer sides of both ends of the transmission screw (5), and the clamping blocks (4) are driven by the transmission screw (5) to move synchronously in the feed groove (3).

2. A positioning fixture for a high-precision guide rail grinder according to claim 1, characterized in that: The fastening screw assembly comprises a threaded sleeve (6), the threaded sleeve (6) being fixedly connected to the inside of a side wall of a rotating platform (2), the threaded sleeve (6) being provided with a fastening thread, the threaded sleeve (6) being threadedly connected to a fastening screw (7) via the fastening thread, the end of the fastening screw (7) passing through the threaded sleeve (6) and connected to the inside, and abutting against the outside of the side wall of the fixing seat (1).

3. The positioning fixture for a high-precision guide rail grinder according to claim 1, characterized in that: The clamp block (4) is in a T-shaped plate structure. A slider (9) is fixedly connected to the lower end of the clamp block (4). A threaded hole is provided through the slider (9). The threaded hole is sleeved on the outside of the transmission screw (5) and is connected and driven by the transmission screw (5). A plurality of anti-slip protrusions (10) are protruded from the inner side wall of the clamp block (4) and are evenly distributed in an array.

4. The positioning fixture for a high-precision guide rail grinder according to claim 1, characterized in that: One end of the transmission screw (5) passes through the side wall of the feed groove (3) and is connected to the outside, and a driving part (8) is arranged at the end, and the driving part (8) includes a positioning plate (11) sleeved on the outside of the end of the transmission screw (5), one side of the positioning plate (11) is fixedly connected to the outside of the side wall of the rotating table (2), the positioning plate (11) is in a circular ring shape, and a plurality of positioning holes (12) evenly distributed in a circular array are opened on the outer side wall of the positioning plate (11).

5. The positioning fixture for a high-precision guide rail grinder according to claim 1, characterized in that: A folding handle (13) is rotatably mounted on the end of the transmission screw (5), and the folding handle (13) is provided with two symmetrical groups, and an elastic positioning structure is provided on the inner side of the end of the folding handle (13).

6. A positioning fixture for a high-precision guide rail grinder according to claim 5, characterized in that: The elastic positioning structure comprises a limiting slide groove (14) provided on the inner side of the end of the folding handle (13); the limiting slide groove (14) is internally connected to a guide slider (15) in a limiting sliding manner; the guide slider (15) is in a square shape, and a pull rod is fixedly connected to the upper and lower ends; a movable groove corresponding to the pull rod is provided on the folding handle (13); the pull rod passes through the movable groove and is connected to the outside; a positioning rod (16) is fixedly connected to the front end of the guide slider (15); the front end of the positioning rod (16) extends out of the limiting slide groove to prevent the guide slider from sliding out of the limiting slide groove. The slide groove (14) is connected to the outside and inserted into the positioning hole (12) opened on the outside of the positioning plate (11), so as to position the folding handle (13), and then limit the transmission screw (5) through the folding handle (13) to restrict its rotation. A support spring (17) is also arranged in the limiting slide groove (14), and the support spring (17) is supported and arranged between the end of the limiting slide groove (14) and the guide slider (15). The support spring (17) includes an internal telescopic support rod and a spring sleeved on the outside.

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