Three-dimensional measuring clamp

Abstract

The utility model discloses a three-dimensional measuring clamp, which comprises a bottom plate, a support plate, a mounting seat and a positioning block, the support plate is fixed on the bottom plate, the mounting seat is mounted on the side surface of the support plate, the side surface of the mounting seat is provided with a vertically arranged positioning circular groove, the support plate and the mounting seat are both provided with communicating holes, and the communicating holes are communicated with the positioning circular groove. Compressing assemblies are arranged on the portions, located on the two sides of the positioning circular groove, of the supporting plate, connecting columns are arranged at the two ends of the side face of the positioning block correspondingly, and two positioning columns are arranged between the inner sides of the connecting columns at the two ends. Connecting holes are formed in the side face, away from the mounting base, of the supporting plate and located on the two sides of the communicating hole, the positioning blocks are arranged on the side face, away from the mounting base, of the supporting plate, and the connecting columns can stretch into the connecting holes; the three-dimensional measurement clamp is high in clamping efficiency, enough space can be provided for measurement after clamping, when the inner hole of the clamping end is measured, the positioning block can be taken out, the inner hole of the clamping end is exposed, and measurement of multiple sizes can be completed through one-time clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measuring fixture, more specifically to a three -dimensional measurement fixture. BACKGROUND

[0002] In industrial production, the accurate measurement of the size precision and shape precision of parts is a key link to ensure product quality. Three-dimensional measurement technology, as a high-precision measurement method, is widely used in the detection of various complex parts. However, the traditional three-dimensional measurement fixture has many shortcomings in practical application, which limits the improvement of measurement efficiency and accuracy.

[0003] Firstly, the clamping process of the traditional fixture is complicated, which needs to be adjusted and positioned several times, resulting in low clamping efficiency. Especially when measuring shaft sleeve products, due to their structural characteristics, the traditional fixture is difficult to quickly and accurately complete positioning and fixing. This not only increases the preparation time before measurement, but also may cause insecure clamping, affecting the accuracy of measurement results.

[0004] Secondly, the traditional fixture lacks enough flexibility in design and cannot meet the measurement needs of parts of various sizes and shapes. For example, when measuring the inner hole size of shaft sleeve products, the traditional fixture often needs to be re-clamped or replaced, increasing the complexity and repeatability of measurement. Such design not only reduces the measurement efficiency, but also may cause the accumulation of measurement errors, affecting product quality control.

[0005] In addition, the overall structure of the traditional fixture is complex, with many parts, which not only increases the manufacturing cost, but also makes it difficult to maintain and disassemble the fixture. In actual use, once the fixture fails or needs to be replaced, the complex structure will greatly prolong the repair time and affect the production progress. UTILITY MODEL CONTENT

[0006] In view of the shortcomings of the prior art, the utility model provides a three-dimensional measurement fixture, which has high clamping efficiency, simple overall structure, enough space for measurement after clamping, and can also take out the positioning block when measuring the inner hole of the measurement clamping end, exposing the inner hole of the shaft sleeve product clamping end, without the need for multiple clamping, and can complete the measurement of multiple sizes at one time.

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a three -dimensional measurement fixture, including bottom plate, support plate, mounting seat and locating block, the support plate is fixed to one side of bottom plate and is vertically arranged, the mounting seat is installed to the side of support plate, and the mounting seat side is provided with the locating circular groove of vertical arrangement, the support plate and mounting seat all are provided with the through -hole, and the through -hole on support plate and mounting seat and the center of locating circular groove coincide, the support plate is provided with the pressing assembly on both sides of locating circular groove, the side both ends of locating block are provided with connecting column respectively, and the inside between both ends connecting column is provided with two symmetrical locating columns, the side of support plate away from mounting seat and located both sides of through -hole are provided with connecting hole, the locating block sets up in the side of support plate away from mounting seat, and connecting column can extend into connecting hole, and locating column can pass through through -hole and with clamping product and is positioned cooperation.

[0009] Further, the pressing assembly comprises an L-shaped pressing plate and a fixing bolt, the mounting seat is provided with a threaded hole on both sides of the locating circular groove, the pressing plate is provided with a through hole, the fixing bolt passes through the through hole and extends into the threaded hole, one end of the pressing plate can abut against the mounting seat, and the other end is located at the locating circular groove.

[0010] Further, the through hole on the pressing plate is a waist-shaped through hole, the mounting seat is provided with a sliding groove on both sides of the locating circular groove, and the end of the pressing plate can slide in the sliding groove.

[0011] Further, the mounting seat and the support plate are detachably connected.

[0012] Further, the mounting seat is provided with a first mounting hole, the support plate is provided with a second mounting hole, the first mounting hole is provided with an internal thread, the second mounting hole is provided with a mounting bolt, the mounting bolt passes through the second mounting hole and extends into the first mounting hole for threaded connection.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The three-dimensional measurement fixture comprises a bottom plate, a support plate, a mounting seat, a locating block and a pressing assembly, the locating circular groove of the mounting seat and the locating column on the locating block are used to complete the positioning and placement of the shaft sleeve product, then the pressing assembly is used to complete the pressing and fixing of the shaft sleeve product, so that the clamping can be completed, the clamping efficiency is high, the overall structure is simple, enough space can be provided for measurement, when the inner hole of the clamping end of the shaft sleeve product is measured, the locating block can be taken out, the inner hole of the clamping end of the shaft sleeve product is exposed, and multiple measurements of different sizes can be completed at one time. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort, wherein:

[0016] Figure 1 Structure diagram of a three-dimensional measurement fixture Figure One

[0017] Figure 2 Structure diagram of a three-dimensional measurement fixture Figure Two

[0018] Figure 3 Structure diagram of a three-dimensional measurement fixture Figure Three

[0019] Figure 4 Structure diagram of a three-dimensional measurement fixture Figure Four

[0020] In the drawings, 1 is a bottom plate, 2 is a supporting plate, 3 is a mounting seat, 4 is a positioning block, 5 is a pressing plate, 6 is a fixing bolt, 7 is a communication hole, 8 is a connecting column, 9 is a positioning column, 10 is a connecting hole, 11 is a mounting bolt, 12 is a first mounting hole, 13 is a positioning circular groove, 14 is a sliding groove, and 15 is a waist-shaped through hole. DETAILED DESCRIPTION

[0021] In the description of the present application, it should be noted that for the directional words, such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0022] In addition, the terms "first" and "second" are only used for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first" and "second" features can be explicitly or implicitly included one or more features, and in the description of the present application, the meaning of "several" and "several" is two or more than two, unless otherwise explicitly specified.

[0023] ​​​​A three-dimensional measuring fixture, such as Figures 1-4 As shown, the device includes a base plate 1, a support plate 2, a mounting base 3, and a positioning block 4. The support plate 2 is fixed to one side of the base plate 1 and arranged vertically. The mounting base 3 is installed on the side of the support plate 2, and a vertically arranged positioning groove 13 is provided on the side of the mounting base 3. Both the support plate 2 and the mounting base 3 are provided with connecting holes 7, and the centers of the connecting holes 7 and the positioning groove 13 on the support plate 2 and the mounting base 3 coincide. Clamping components are provided on both sides of the positioning groove 13 on the support plate 2. Connecting posts 8 are provided at both ends of the side of the positioning block 4, and two symmetrically arranged positioning posts 9 are provided between the inner sides of the connecting posts 8 at both ends. Connecting holes 10 are provided on the side of the support plate 2 away from the mounting base 3 and on both sides of the connecting holes 7. The positioning block 4 is located on the side of the support plate 2 away from the mounting base 3, and the connecting posts 8 can extend into the connecting holes 10. The positioning posts 9 can pass through the connecting holes 7 and perform positioning and engagement with the clamped product.

[0024] Preferably, the clamping assembly includes an "L"-shaped pressure plate 5 and a fixing bolt 6. The mounting base 3 is provided with threaded holes on both sides of the positioning groove 13. The pressure plate 5 is provided with a through hole. The fixing bolt 6 passes through the through hole and extends into the threaded hole. One end of the pressure plate 5 can contact and abut against the mounting base 3, and the other end is located at the positioning groove 13.

[0025] Preferably, the through hole on the pressure plate 5 is an oblong through hole 15, and the mounting base 3 is provided with sliding grooves 14 on both sides of the positioning circular groove 13, so that the end of the pressure plate 5 can be guided and slid within the sliding grooves 14.

[0026] Preferably, the mounting base 3 and the support plate 2 are detachably connected, which facilitates the overall processing and manufacturing. After processing, only the mounting base 3 and the support plate 2 need to be bolted together, and the subsequent disassembly and maintenance are also relatively convenient.

[0027] Preferably, the mounting base 3 is provided with a first mounting hole 12, and the support plate 2 is provided with a second mounting hole. The first mounting hole 12 is provided with an internal thread, and the second mounting hole is provided with a mounting bolt 11. The mounting bolt 11 passes through the second mounting hole and extends into the first mounting hole 12 for threaded connection, thereby realizing the detachable connection between the mounting base 3 and the support plate 2.

[0028] Clamping process:

[0029] When measuring the bushing product, first install the positioning block 4 on the side of the support plate 2 away from the mounting base 3. During installation, insert the connecting post 8 into the connecting hole 10 and insert the positioning post 9 into the connecting hole 7 on the support plate 2 and the mounting base 3 to complete the installation of the positioning block 4.

[0030] Then the end of the shaft sleeve product is inserted into the positioning circular groove 13 for positioning and placing, and when placed, the shaft sleeve product is matched with the positioning circular groove 13 and the positioning column 9 (the positioning column 9 is inserted into the positioning hole of the shaft sleeve product) to complete the positioning and placing;

[0031] Finally, the clamping of the shaft sleeve product is completed by pressing one end of the pressing plate 5 against the mounting seat 3 and the other end of the pressing plate 5 against the shaft sleeve product, selecting a suitable pressing area by moving the pressing plate 5, and then tightening the fixing bolt 6.

[0032] Subsequently, when detecting, the three-coordinate detection instrument can measure the shaft sleeve product from both sides, and when the inner hole size of the shaft sleeve product needs to be measured, the positioning block 4 is pulled out to expose the inner hole of the shaft sleeve product (as shown in Figure 3 ).

[0033] The three-dimensional measurement clamp of the utility model sets up the bottom plate 1, the supporting plate 2, the mounting seat 3, the positioning block 4 and the pressing assembly, uses the positioning circular groove 13 of the mounting seat 3 and the positioning column 9 on the positioning block 4 to complete the positioning and placing of the shaft sleeve product, then uses the pressing assembly to complete the pressing and fixing of the shaft sleeve product, so that the clamping is completed, the clamping efficiency is high, the overall structure is simple, enough space can be provided for measurement, and when the inner hole of the clamping end is measured, the positioning block 4 can be taken out to expose the inner hole of the clamping end of the shaft sleeve product, so that multiple sizes can be measured by clamping once without multiple clamping.

[0034] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiment, and any technical scheme under the idea of the utility model belongs to the protection scope of the utility model. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.

Claims

1. A three-dimensional measuring fixture, characterized in that: The device includes a base plate, a support plate, a mounting base, and a positioning block. The support plate is fixed to one side of the base plate and arranged vertically. The mounting base is installed on the side of the support plate, and the side of the mounting base is provided with a vertically arranged positioning groove. Both the support plate and the mounting base are provided with connecting holes, and the centers of the connecting holes and the positioning grooves on the support plate and the mounting base coincide. The support plate is provided with clamping components on both sides of the positioning groove. The positioning block is provided with connecting posts at both ends of its side, and two symmetrically arranged positioning posts are provided between the inner sides of the connecting posts at both ends. The support plate is provided with connecting holes on the side away from the mounting base and on both sides of the connecting holes. The positioning block is located on the side of the support plate away from the mounting base, and the connecting posts can extend into the connecting holes. The positioning posts can pass through the connecting holes and perform positioning and engagement with the clamped product.

2. The three-dimensional measuring fixture according to claim 1, characterized in that: The clamping assembly includes an "L"-shaped pressure plate and a fixing bolt. The mounting base is provided with threaded holes on both sides of the positioning groove. The pressure plate is provided with a through hole. The fixing bolt passes through the through hole and extends into the threaded hole. One end of the pressure plate can contact and abut against the mounting base, and the other end is located at the positioning groove.

3. A three-dimensional measuring fixture according to claim 2, characterized in that: The through hole on the pressure plate is an oblong through hole, and the mounting base is provided with sliding grooves on both sides of the positioning circular groove, so that the end of the pressure plate can be guided and slid within the sliding groove.

4. A three-dimensional measuring fixture according to claim 1, characterized in that: The mounting base and the support plate are detachably connected.

5. A three-dimensional measuring fixture according to claim 4, characterized in that: The mounting base is provided with a first mounting hole, and the support plate is provided with a second mounting hole. The first mounting hole is provided with an internal thread, and the second mounting hole is provided with a mounting bolt. The mounting bolt passes through the second mounting hole and extends into the first mounting hole for threaded connection.

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