Fixture used for fixing measured part and having free steering function

Abstract

The utility model discloses a clamp used for fixing a measuring part and having a free steering function, comprising a concentric-square-shaped placing rack, a concentric-square-shaped rotating rack and a concentric-square-shaped fixing table, the bottom of the concentric-square-shaped placing rack is connected with supporting legs, and the concentric-square-shaped placing rack and the concentric-square-shaped rotating rack are respectively connected with knob positioning assemblies. The concentric-square-shaped placing frame and the concentric-square-shaped rotating frame are respectively connected with a rotating rod, the concentric-square-shaped rotating frame is arranged in the concentric-square-shaped placing frame, the concentric-square-shaped fixing table is arranged in the concentric-square-shaped rotating frame, the concentric-square-shaped fixing table is provided with an ejector pin installation groove, an ejector pin is arranged in the concentric-square-shaped fixing table, and the ejector pin is connected with the ejector pin installation groove in an inserted mode. The ejector pin is connected with the inner wall of the ejector pin mounting groove through an ejector pin spring. The beneficial effects are that time waste is avoided, operation is simple, and efficiency is high; and effective positioning can be realized, and the measurement precision is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamp devices, in particular to a clamp used for fixing measuring parts and having a free turning function. Background Art

[0002] At present, when using projectors and three-dimensional coordinate measuring equipment to test the dimensions of parts on the market, more traditional fixed fixtures are still commonly used. Traditional fixed fixtures such as Figure 1 As shown, it includes a fixed platform, and the top of the fixed platform is connected with a fixing plate by screws. When in use, the fixing plate is locked by screws to compress and fix the measured parts. Although the traditional fixing fixture can locate the test parts, it is extremely slow in fixing efficiency, and there are difficulties in locating the reference. It takes a long time to find the reference. When measuring different directions of parts, it is necessary to manually remove the parts and re-fix them. The operation is cumbersome, wastes manpower, and consumes time. It seriously affects the measurement speed and is not suitable for mass testing of products. At the same time, the re-positioning of the reference during measurement will accumulate measurement errors, seriously reducing the accuracy of the measurement data. Therefore, there is an urgent need for a convenient and efficient measuring fixture. Utility Model Content

[0003] In order to solve the above problems, especially to address the deficiencies in the prior art, the utility model provides a fixture for fixing a measuring part and having a free turning function to solve the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical means:

[0005] A fixture for fixing measured parts and having a free turning function comprises a return-shaped placement frame, a return-shaped rotating frame, and a return-shaped fixed platform, wherein the corners of the bottom of the return-shaped placement frame are respectively connected with supporting legs, a lateral side of the return-shaped placement frame and a longitudinal side of the return-shaped rotating frame are respectively connected with a knob positioning assembly, the inside of the other lateral side of the return-shaped placement frame and the inside of the other longitudinal side of the return-shaped rotating frame are respectively connected with a rotating rod, the return-shaped rotating frame is arranged in the return-shaped placement frame, one side of the return-shaped rotating frame is transmission-connected with the knob positioning assembly of the return-shaped placement frame, and the return-shaped rotating frame is The other side is rotatably connected to the rotating rod of the circular placement rack, the circular fixed platform is arranged in the circular rotating frame, one side of the circular fixed platform is transmission-connected to the knob positioning assembly of the circular rotating frame, the other side of the circular fixed platform is rotatably connected to the rotating rod of the circular rotating frame, the circular fixed platform is provided with multiple groups of evenly distributed ejector mounting grooves, multiple groups of ejectors corresponding to the multiple groups of ejector mounting grooves are arranged in the circular fixed platform, the ejectors are plugged into the corresponding ejector mounting grooves, and the ejectors are connected to the inner walls of the corresponding ejector mounting grooves through ejector springs.

[0006] A further solution of the utility model is that the circular placement frame and the supporting legs are made in one piece.

[0007] A further solution of the utility model is that the circular placement frame is connected with an inner concave tube corresponding to the knob positioning assembly of the circular rotating frame.

[0008] A further solution of the utility model is that the knob positioning assembly includes a knob frame, a plurality of groups of evenly distributed second slots are opened on the inner side of the knob frame, a knob is inserted into one side of the knob frame, the knob is connected to a positioning block matching the second slots, the positioning block is movably engaged with a group of the second slots, a knob rod is connected to the through end of the knob, a knob spring sleeved on the outside of the knob rod is inserted into the other side of the knob frame, the through end of the knob is in contact with the knob spring, and a knob cover is connected to the top of the knob frame via a fixing screw.

[0009] A further solution of the utility model is that a dial is connected to one side of the knob frame, and the dial has multiple groups of first slots corresponding to multiple groups of second slots one by one, the first slots match the positioning card blocks, and the positioning card blocks are movably connected to a group of the first slots.

[0010] A further solution of the utility model is that the outer side wall of the knob rod is connected with an outer convex strip.

[0011] A further solution of the utility model is that a bearing frame is connected to the inner side of the circular fixing platform.

[0012] A further solution of the utility model is that the ejector mounting groove is connected with an ejector cover via a fixing wire.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model uses the ejector spring to press the ejector against the component, so that the staff can quickly fix and position the component to be measured on the return fixing table, avoiding the time waste caused by the positioning of the component, and the operation is simple and efficient.

[0015] 2. When switching the direction and angle of the measured parts, the utility model can drive the circular rotating frame to rotate through the knob positioning assembly of the circular placing frame, and drive the circular fixed platform to rotate through the knob positioning assembly of the circular rotating frame. The X-axis, Y-axis, and Z-axis directions of the measured parts can be switched through the rotation of the two knob positioning assemblies, and the surface of the parts to be measured can be quickly found and effectively positioned, thereby saving time. Because the fixation of the parts has not changed, the change of the reference caused by the movement of the parts is also eliminated in the measurement, and the cumulative error caused by this is effectively improved, thereby effectively improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of a traditional fixing fixture;

[0017] Figure 2 It is a structural schematic diagram of the utility model;

[0018] Figure 3 It is a usage state diagram of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the knob positioning assembly of the utility model;

[0020] Reference numerals:

[0021] U-shaped placement frame 1, support leg 2, knob positioning assembly 3, inner concave tube 4, rotating rod 5, U-shaped rotating frame 6, U-shaped fixed platform 7, carrying frame 8, ejector cover 9, ejector 10, ejector spring 11, ejector mounting groove 12, knob 301, positioning block 302, dial 303, first groove 304, knob rod 305, outer convex strip 306, knob frame 307, second groove 308, knob spring 309, knob cover 310, fixing screw 311. DETAILED DESCRIPTION

[0022] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on 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.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] 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.

[0025] Example 1

[0026] like Figures 2 to 4 As shown, the utility model provides a fixture for fixing and measuring parts and having a free turning function, including a return-shaped placement frame 1, a return-shaped rotating frame 6, and a return-shaped fixed platform 7. Support legs 2 are respectively connected to the corners of the bottom of the return-shaped placement frame 1, a lateral side of the return-shaped placement frame 1 and a longitudinal side of the return-shaped rotating frame 6 are respectively connected to a knob positioning assembly 3, the inside of the other lateral side of the return-shaped placement frame 1 and the inside of the other longitudinal side of the return-shaped rotating frame 6 are respectively connected to a rotating rod 5, the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1, one side of the return-shaped rotating frame 6 is transmission-connected to the knob positioning assembly 3 of the return-shaped placement frame 1, and the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1. The other side of the rotating frame 6 is rotatably connected to the rotating rod 5 of the circular placement frame 1, and the circular fixed platform 7 is arranged in the circular rotating frame 6. One side of the circular fixed platform 7 is transmission-connected to the knob positioning assembly 3 of the circular rotating frame 6, and the other side of the circular fixed platform 7 is rotatably connected to the rotating rod 5 of the circular rotating frame 6. The circular fixed platform 7 is provided with multiple groups of evenly distributed ejector mounting grooves 12, and multiple groups of ejector pins 10 corresponding to the multiple groups of ejector mounting grooves 12 are arranged in the circular fixed platform 7. The ejector pins 10 are plugged into the corresponding ejector mounting grooves 12, and the ejector pins 10 are connected to the inner walls of the corresponding ejector mounting grooves 12 through ejector springs 11.

[0027] How it works

[0028] The component is placed in the return fixing table 7, and the ejector spring 11 presses the ejector 10 to contact the component, so that the component is quickly positioned in the return fixing table 7;

[0029] The fixture adopts a design of three freely rotatable frame-shaped tables in the shape of a Chinese character U, and is effectively connected and combined into a three-level mechanism through a knob positioning component 3 and a rotating rod 5, that is, the knob positioning component 3 of the U-shaped placing frame 1 drives the U-shaped rotating frame 6 to rotate, and the knob positioning component 3 of the U-shaped rotating frame 6 drives the U-shaped fixed table 7 to rotate. The rotation of the two knob positioning components 3 forms free steering in the X-axis, Y-axis, and Z-axis directions of the measured part, and the rotation of the two knob positioning components 3 can realize the steering and positioning of the measured part quickly. The entire fixture has the advantages of a stable table, simple operation, and quick steering.

[0030] Example 2

[0031] like Figures 2 to 4 As shown, the utility model provides a fixture for fixing and measuring parts and having a free turning function, including a return-shaped placement frame 1, a return-shaped rotating frame 6, and a return-shaped fixed platform 7. Support legs 2 are respectively connected to the corners of the bottom of the return-shaped placement frame 1, a lateral side of the return-shaped placement frame 1 and a longitudinal side of the return-shaped rotating frame 6 are respectively connected to a knob positioning assembly 3, the inside of the other lateral side of the return-shaped placement frame 1 and the inside of the other longitudinal side of the return-shaped rotating frame 6 are respectively connected to a rotating rod 5, the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1, one side of the return-shaped rotating frame 6 is transmission-connected to the knob positioning assembly 3 of the return-shaped placement frame 1, and the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1. The other side of the rotating frame 6 is rotatably connected to the rotating rod 5 of the circular placement frame 1, and the circular fixed platform 7 is arranged in the circular rotating frame 6. One side of the circular fixed platform 7 is transmission-connected to the knob positioning assembly 3 of the circular rotating frame 6, and the other side of the circular fixed platform 7 is rotatably connected to the rotating rod 5 of the circular rotating frame 6. The circular fixed platform 7 is provided with multiple groups of evenly distributed ejector mounting grooves 12, and multiple groups of ejector pins 10 corresponding to the multiple groups of ejector mounting grooves 12 are arranged in the circular fixed platform 7. The ejector pins 10 are plugged into the corresponding ejector mounting grooves 12, and the ejector pins 10 are connected to the inner walls of the corresponding ejector mounting grooves 12 through ejector springs 11.

[0032] The circular placement frame 1 is made of an integral body with the support leg 2. This arrangement can effectively improve the tightness between the circular placement frame 1 and the support leg 2, and can effectively prevent the circular placement frame 1 and the support leg 2 from breaking.

[0033] The circular placement frame 1 is connected with an inner concave tube 4 corresponding to the knob positioning assembly 3 of the circular rotating frame 6. This arrangement can facilitate the user to rotate the knob positioning assembly 3 of the circular rotating frame 6, effectively improving the working efficiency and working effect of the circular rotating frame 6.

[0034] The inner side of the circular fixed platform 7 is connected with a bearing frame 8. This arrangement can facilitate the circular fixed platform 7 to carry the measured parts, and effectively improve the working efficiency and working effect of the circular fixed platform 7.

[0035] The ejector mounting groove 12 is connected with the ejector cover 9 through a fixing wire. This arrangement can prevent the ejector 10 and the ejector spring 11 from moving outward, and effectively improve the working effect and working efficiency of the ejector 10 and the ejector spring 11.

[0036] Example 3

[0037] like Figures 2 to 4As shown, the utility model provides a fixture for fixing and measuring parts and having a free turning function, including a return-shaped placement frame 1, a return-shaped rotating frame 6, and a return-shaped fixed platform 7. Support legs 2 are respectively connected to the corners of the bottom of the return-shaped placement frame 1, a lateral side of the return-shaped placement frame 1 and a longitudinal side of the return-shaped rotating frame 6 are respectively connected to a knob positioning assembly 3, the inside of the other lateral side of the return-shaped placement frame 1 and the inside of the other longitudinal side of the return-shaped rotating frame 6 are respectively connected to a rotating rod 5, the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1, one side of the return-shaped rotating frame 6 is transmission-connected to the knob positioning assembly 3 of the return-shaped placement frame 1, and the return-shaped rotating frame 6 is arranged in the return-shaped placement frame 1. The other side of the rotating frame 6 is rotatably connected to the rotating rod 5 of the circular placement frame 1, and the circular fixed platform 7 is arranged in the circular rotating frame 6. One side of the circular fixed platform 7 is transmission-connected to the knob positioning assembly 3 of the circular rotating frame 6, and the other side of the circular fixed platform 7 is rotatably connected to the rotating rod 5 of the circular rotating frame 6. The circular fixed platform 7 is provided with multiple groups of evenly distributed ejector mounting grooves 12, and multiple groups of ejector pins 10 corresponding to the multiple groups of ejector mounting grooves 12 are arranged in the circular fixed platform 7. The ejector pins 10 are plugged into the corresponding ejector mounting grooves 12, and the ejector pins 10 are connected to the inner walls of the corresponding ejector mounting grooves 12 through ejector springs 11.

[0038] The knob positioning assembly 3 includes a knob frame 307, and a plurality of groups of evenly distributed second slots 308 are provided on the inner side of the knob frame 307. A knob 301 is inserted into one side of the knob frame 307, and the knob 301 is connected to a positioning block 302 matching the second slots 308. The positioning block 302 is movably connected to a group of second slots 308. The through end of the knob 301 is connected to a knob rod 305, and a knob spring 309 sleeved on the outside of the knob rod 305 is inserted into the other side of the knob frame 307. The through end of the knob 301 is in contact with the knob spring 309, and the top of the knob frame 307 is connected to a knob cover 310 via a fixing screw 311. When rotating, press forward and rotate the knob 301 at the same time, the knob 301 drives the knob rod 305 to rotate, and the knob rod 305 drives the external structure to rotate. When the desired measuring angle is reached, stop pressing the knob 301, and under the action of the knob spring 309, the positioning block 302 of the knob 301 falls into the corresponding second slot 308, so that the knob rod 305 is positioned. The whole action is simple and efficient, which effectively improves the working efficiency and working effect of the knob positioning assembly 3.

[0039] A dial plate 303 is connected to one side of the knob frame 307. The dial plate 303 is provided with a plurality of groups of first slots 304 corresponding to a plurality of groups of second slots 308. The first slots 304 match the positioning blocks 302. The positioning blocks 302 are movably connected to a group of first slots 304. This arrangement can facilitate the user to distinguish the rotation angle and position, and effectively improve the working efficiency and working effect of the knob 301.

[0040] The outer wall of the knob rod 305 is connected with an outer convex strip 306. This arrangement can facilitate the knob rod 305 to clamp the external structure, facilitate the knob rod 305 to drive the external structure to rotate, and effectively improve the working efficiency and working effect of the knob rod 305.

[0041] The examples given in the present invention are not limitations on the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here, and the obvious changes or modifications derived from them are still within the scope of protection of the present invention.

Claims

1. A fixture for fixing a measuring part and having a free turning function, characterized in that: The invention comprises a circular placement frame (1), a circular rotating frame (6), and a circular fixed platform (7), wherein the corners of the bottom of the circular placement frame (1) are respectively connected to support legs (2), a lateral side of the circular placement frame (1) and a longitudinal side of the circular rotating frame (6) are respectively connected to a knob positioning assembly (3), the interior of the other lateral side of the circular placement frame (1) and the interior of the other longitudinal side of the circular rotating frame (6) are respectively connected to a rotating rod (5), the circular rotating frame (6) is arranged in the circular placement frame (1), one side of the circular rotating frame (6) is drivingly connected to the knob positioning assembly (3) of the circular placement frame (1), and the other side of the circular rotating frame (6) is rotatingly connected to the rotating rod (5) of the circular placement frame (1). The circular fixed platform (7) is dynamically connected, the circular fixed platform (7) is arranged in the circular rotating frame (6), one side of the circular fixed platform (7) is transmission-connected to the knob positioning assembly (3) of the circular rotating frame (6), and the other side of the circular fixed platform (7) is rotationally connected to the rotating rod (5) of the circular rotating frame (6), the circular fixed platform (7) is provided with a plurality of groups of evenly distributed ejector mounting grooves (12), the circular fixed platform (7) is provided with a plurality of groups of ejector pins (10) corresponding to the plurality of groups of ejector pin mounting grooves (12), the ejector pins (10) are plugged into the corresponding ejector pin mounting grooves (12), and the ejector pins (10) are connected to the inner walls of the corresponding ejector pin mounting grooves (12) through ejector pin springs (11).

2. A fixture for fixing a measuring part and having a free turning function according to claim 1, characterized in that: The circular placement frame (1) and the supporting legs (2) are manufactured in one piece.

3. A fixture for fixing a measuring part and having a free turning function according to claim 2, characterized in that: The circular placement frame (1) is connected to an inner concave tube (4) corresponding to the knob positioning assembly (3) of the circular rotating frame (6).

4. A fixture for fixing a measuring part and having a free turning function according to claim 1, characterized in that: The knob positioning assembly (3) comprises a knob frame (307), the inner side of which is provided with a plurality of groups of evenly distributed second slots (308), a knob (301) is inserted into one side of the knob frame (307), the knob (301) is connected with a positioning block (302) matching the second slots (308), the positioning block (302) is movably engaged with a group of the second slots (308), the through end of the knob (301) is connected with a knob rod (305), the other side of the knob frame (307) is inserted with a knob spring (309) sleeved on the outside of the knob rod (305), the through end of the knob (301) is in contact with the knob spring (309), and the top of the knob frame (307) is connected with a knob cover (310) via a fixing screw (311).

5. A fixture for fixing a measuring part and having a free turning function according to claim 4, characterized in that: A dial (303) is connected to one side of the knob frame (307), and the dial (303) is provided with a plurality of groups of first slots (304) corresponding one to one with a plurality of groups of second slots (308), and the first slots (304) match the positioning slots (302), and the positioning slots (302) are movably engaged with a group of the first slots (304).

6. A fixture for fixing a measuring part and having a free turning function according to claim 4, characterized in that: The outer side wall of the knob rod (305) is connected with an outer convex strip (306).

7. A fixture for fixing a measuring part and having a free turning function according to claim 1, characterized in that: The inner side of the circular fixing platform (7) is connected to a bearing frame (8).

8. A fixture for fixing a measuring part and having a free turning function according to claim 1, characterized in that: The ejector pin installation groove (12) is connected to the ejector pin cover (9) via a fixing thread.

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