High-precision part measuring and positioning device

Abstract

The utility model discloses a high-precision part measuring and positioning device which comprises a clamp bottom plate, a plurality of positioning blocks, two movable floating blocks, two product supporting pieces and a product length positioning element. At least one row of positioning and mounting sequence is arranged on the clamp bottom plate, and each positioning and mounting sequence comprises a plurality of positioning and mounting parts which are arranged in a straight line at intervals; the plurality of positioning blocks are detachably mounted on one part of the plurality of positioning mounting parts; the two movable floating blocks are detachably fixed to the two positioning blocks installed on the two positioning installation parts in the same positioning installation sequence respectively. The two product supporting pieces are detachably installed on the two movable floating blocks respectively. The product length positioning element is detachably installed on one of the multiple positioning installation parts and is arranged close to one of the two product supporting pieces. According to the utility model, the consistency of multiple measurement results can be improved, errors caused by self deformation of the measurement device can be obviously reduced, and the measurement precision and efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-precision parts measurement, in particular to a high-precision parts measurement and positioning device. Background Art

[0002] With the rapid development of high-end manufacturing, the precision requirements for product components are becoming increasingly stringent, and the accuracy requirements for measuring instruments are also increasing accordingly. Current measuring devices often have certain errors when processing parts of different lengths and sizes. In addition, poor measurement repeatability caused by different measuring devices or manual operation seriously affects the accuracy of measurement results.

[0003] Therefore, technicians in this field are committed to developing a high-precision parts measurement and positioning device that can accurately measure products of different lengths and ensure that the flatness measurement reproducibility and repeatability are within 0.5μm, thereby significantly improving measurement accuracy and detection efficiency. Utility Model Content

[0004] In view of the above-mentioned defects of the prior art, the technical problems to be solved by the present invention are that similar products have different lengths and diversity; the installation method varies from person to person, which is inconvenient and inefficient; and the measurement repeatability of device differences is poor.

[0005] To achieve the above-mentioned objectives, the utility model provides a high-precision parts measuring and positioning device, including a fixture base plate, multiple positioning blocks, two movable floating blocks, two product supports and a product length positioning element; at least one row of positioning installation sequences is provided on the fixture base plate, and each positioning installation sequence includes multiple spaced positioning installation parts arranged in a straight line; the multiple positioning blocks are detachably mounted on a part of the multiple positioning installation parts; the two movable floating blocks are respectively detachably fixed on two positioning blocks installed on two positioning installation parts in the same positioning installation sequence; the two product supports are respectively detachably mounted on the two movable floating blocks; the product length positioning element is detachably mounted on one of the multiple positioning installation parts and is arranged close to one of the two product supports.

[0006] Furthermore, each positioning block is fixed to a corresponding positioning mounting portion provided on the fixture base plate by a first mounting screw and a first positioning pin.

[0007] Furthermore, it also includes a plurality of instrument table floating blocks, which are arranged below the fixture bottom plate.

[0008] Furthermore, each product support member is an L-shaped plate or an inverted T-shaped plate.

[0009] Furthermore, each movable float is fixed to the bottom plate of the corresponding product support by a second mounting screw and a second positioning pin, and the second mounting screw passes through the mounting hole opened at the bottom of the movable float and is screwed into the bottom plate of the corresponding product support.

[0010] Furthermore, each positioning block is provided with a through hole, a fixing pin hole is provided on the side of the through hole, a fixing block is arranged below each movable float at a position corresponding to the through hole, a threaded hole is provided on the fixing block, and the movable float is screwed into the threaded hole on the fixing block through a fixing pin passing through the fixing pin hole, so that the movable float is firmly fixed on the positioning block.

[0011] Furthermore, each product support is fixed to the corresponding movable floating block by a third mounting screw passing through a mounting hole provided in a bottom plate of the product support.

[0012] Furthermore, a pin hole is provided on one side of the upper surface of each product support, and a product quick pin extending out of the upper surface of the product support is provided in the pin hole. The side of the product quick pin is arranged facing the side of the product workpiece, and the product quick pin is passed through the waist-shaped hole provided on the side of the product support by a fourth mounting screw and entered into and fixed in the pin hole.

[0013] Furthermore, a plurality of pad mounting threaded holes in a straight line are provided on the upper surface of the product support, and a portion of the plurality of pad mounting threaded holes are detachably mounted with a plurality of equal-height pads through a fifth mounting screw, and the plurality of equal-height pads are used to support the bottom surface of the product workpiece.

[0014] Furthermore, the product length positioning element includes a length positioning block, a positioning support frame, a movable positioning pin sleeve, a movable positioning pin and a length positioning pin, the length positioning block is detachably mounted on the positioning mounting portion on the side of one of the two product supports, the positioning support frame is detachably mounted on the length positioning block, the movable positioning pin sleeve is detachably mounted on the positioning support frame, the movable positioning pin is arranged through the movable positioning pin sleeve, a plurality of positioning pin holes are provided on the movable positioning pin sleeve, a plurality of positioning pin mounting threaded holes are provided on the movable positioning pin corresponding to the positions of the plurality of positioning pin holes, the length positioning pin is detachably mounted in one of the plurality of positioning pin mounting threaded holes, and is arranged facing the end face of the product workpiece.

[0015] The beneficial effects of the present invention are: through the innovatively designed quick-change multi-purpose measuring and positioning device, the consistency of multiple measurement results in different environments can be improved, the error caused by the deformation of the measuring device itself can be significantly reduced, the measurement accuracy and efficiency can be improved, and the product quality control level can be improved.

[0016] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a preferred embodiment of the utility model;

[0018] Figure 2 This is an exploded view of a preferred embodiment of the present utility model;

[0019] Figure 3 It is a top view of a preferred embodiment of the present utility model.

[0020] Among them, 1- fixture base plate, 2- positioning block, 3- movable floating block, 4- product support, 5- product length positioning element, 6- positioning mounting part, 7- first mounting screw, 8- first positioning pin, 9- instrument table floating block, 10- second mounting screw, 11- fixed pin, 12- third mounting screw, 13- product quick pin, 14- fourth mounting screw, 15- fifth mounting screw, 16- equal height pad, 17- second positioning pin, 51- length positioning block, 52- positioning support frame, 53- movable positioning pin sleeve, 54- movable positioning pin, 55- length positioning pin, 100- product workpiece. DETAILED DESCRIPTION

[0021] The following describes the preferred embodiments of the present invention with reference to the accompanying drawings to make its technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the scope of protection of the present invention is not limited to the embodiments mentioned herein.

[0022] In the drawings, components with identical structures are denoted by the same reference numerals, and components with similar structures or functions are denoted by similar reference numerals. The dimensions and thicknesses of each component shown in the drawings are arbitrary and are not limited by the present invention. For clarity, the thicknesses of components in some places in the drawings are exaggerated.

[0023] This utility model provides a quick-change, multi-purpose, high-precision parts measurement and positioning device suitable for three-dimensional coordinate measurement. Its main features include rapid replacement and flexible adjustment for workpieces ranging in length from 200mm to 1500mm, reducing manual intervention, enabling rapid positioning, and improving measurement efficiency and accuracy. The design of this utility model enables flatness measurement reproducibility and repeatability to within 0.5μm.

[0024] Example

[0025] like Figure 1-3As shown, this embodiment provides a high-precision part measuring and positioning device, including a fixture base plate 1, multiple positioning blocks 2, two movable floats 3, two product supports 4 and a product length positioning element 5; at least one row of positioning installation sequences is provided on the fixture base plate 1, and each positioning installation sequence includes multiple spaced positioning installation parts 6 arranged in a straight line; multiple positioning blocks 2 are detachably mounted on a part of the multiple positioning installation parts 6; the two movable floats 3 are respectively detachably fixed on two positioning blocks 2 installed on two positioning installation parts 6 in the same positioning installation sequence; the two product supports 4 are respectively detachably mounted on the two movable floats 3; the product length positioning element 5 is detachably mounted on one of the multiple positioning installation parts 6, and is arranged close to one of the two product supports 4.

[0026] Each positioning block 2 is fixed to a corresponding positioning mounting portion 6 provided on the fixture base plate 1 by a first mounting screw 7 and a first positioning pin 8 .

[0027] It also includes a plurality of instrument table floating blocks 9 , which are arranged below the fixture base plate 1 .

[0028] Each product support member 4 is an L-shaped plate or an inverted T-shaped plate.

[0029] Each movable float 3 is fixed to the bottom plate of the corresponding product support 4 by a second mounting screw 10 and a second positioning pin 17 . The second mounting screw 10 passes through the mounting hole opened at the bottom of the movable float 3 and is screwed into the bottom plate of the corresponding product support 4 .

[0030] A through hole is provided on each positioning block 2, and a fixing pin hole is provided on the side of the through hole. A fixing block is arranged below each movable float 3 at a position corresponding to the through hole, and a threaded hole is provided on the fixing block. The movable float 3 passes through the fixing pin hole through the fixing pin hole through the fixing pin 11 and is screwed into the threaded hole on the fixing block, so that the movable float 3 is firmly fixed on the positioning block 2.

[0031] Each product support 4 is fixed to the corresponding movable floating block 3 by a third mounting screw 12 passing through a mounting hole provided in the bottom plate of the product support 4 .

[0032] A pin hole is provided on one side of the upper surface of each product support 4, and a product quick pin 13 extending out of the upper surface of the product support 4 is provided in the pin hole. The side of the product quick pin 13 is arranged facing the side of the product workpiece 100, and the product quick pin 13 passes through the waist-shaped hole provided on the side of the product support 4 through the fourth mounting screw 14 and enters and is fixed in the pin hole.

[0033] The upper surface of the product support 4 is also provided with a plurality of pad mounting threaded holes in a straight line, and a portion of the plurality of pad mounting threaded holes is detachably mounted with a plurality of equal-height pads 16 through a fifth mounting screw 15, and the plurality of equal-height pads 16 are used to support the bottom surface of the product workpiece 100.

[0034] The product length positioning element 5 includes a length positioning block 51, a positioning support frame 52, a movable positioning pin sleeve 53, a movable positioning pin 54 and a length positioning pin 55. The length positioning block 51 is detachably mounted on the positioning mounting portion 6 on the side of one of the two product supports 4. The positioning support frame 52 is detachably mounted on the length positioning block 51. The movable positioning pin sleeve 53 is detachably mounted on the positioning support frame 52. The movable positioning pin 54 is arranged through the movable positioning pin sleeve 53. A plurality of positioning pin holes are provided on the movable positioning pin sleeve 53. A plurality of positioning pin mounting threaded holes are provided on the movable positioning pin 54 corresponding to the positions of the plurality of positioning pin holes. The length positioning pin 55 is detachably mounted in one of the plurality of positioning pin mounting threaded holes and is arranged facing the end face of the product workpiece 100.

[0035] The innovation of the present invention is that the positioning block 2 can be quickly inserted and replaced according to the length of the product workpiece 100. Through this high-precision parts measurement and positioning device, the length positioning pin 55, the equal height pad 16 and the product quick pin 13 can be quickly switched at will, thereby conveniently detecting product workpieces 100 of different lengths.

[0036] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A high-precision parts measuring and positioning device, characterized in that: It includes a fixture base plate, multiple positioning blocks, two movable floating blocks, two product supports and a product length positioning element; at least one row of positioning installation sequences is provided on the fixture base plate, and each positioning installation sequence includes multiple spaced positioning installation parts arranged in a straight line; the multiple positioning blocks are detachably mounted on a part of the multiple positioning installation parts; the two movable floating blocks are respectively detachably fixed on two positioning blocks installed on two positioning installation parts in the same positioning installation sequence; the two product supports are respectively detachably mounted on the two movable floating blocks; the product length positioning element is detachably mounted on one of the multiple positioning installation parts and is arranged close to one of the two product supports.

2. The high-precision parts measuring and positioning device according to claim 1, characterized in that: Each positioning block is fixed to a corresponding positioning mounting portion provided on the fixture bottom plate by a first mounting screw and a first positioning pin.

3. The high-precision parts measuring and positioning device according to claim 1, characterized in that: It also includes a plurality of instrument table floats, which are arranged below the fixture bottom plate.

4. The high-precision parts measuring and positioning device according to claim 1, characterized in that: Each product support is an L-shaped plate or an inverted T-shaped plate.

5. The high-precision parts measuring and positioning device according to claim 4, characterized in that: Each movable float is fixed to the bottom plate of the corresponding product support by a second mounting screw and a second positioning pin. The second mounting screw passes through a mounting hole provided at the bottom of the movable float and is screwed into the bottom plate of the corresponding product support.

6. The high-precision parts measuring and positioning device according to claim 5, characterized in that: A through hole is provided on each positioning block, and a fixing pin hole is provided on the side of the through hole. A fixing block is arranged below each movable float at a position corresponding to the through hole, and a threaded hole is provided on the fixing block. The movable float passes through the fixing pin hole through the fixing pin hole and is screwed into the threaded hole on the fixing block, so that the movable float is firmly fixed on the positioning block.

7. The high-precision parts measuring and positioning device according to claim 5, characterized in that: Each product support is fixed on the corresponding movable floating block by a third mounting screw passing through a mounting hole opened on the bottom plate of the product support.

8. The high-precision parts measuring and positioning device according to claim 1, characterized in that: A pin hole is provided on one side of the upper surface of each product support, and a product quick pin extending out of the upper surface of the product support is provided in the pin hole. The side of the product quick pin is arranged facing the side of the product workpiece, and the product quick pin is passed through the waist-shaped hole provided on the side of the product support by a fourth mounting screw and entered into and fixed in the pin hole.

9. The high-precision parts measuring and positioning device according to claim 8, characterized in that: The upper surface of the product support is also provided with a plurality of pad installation threaded holes in a straight line, and a portion of the plurality of pad installation threaded holes is detachably mounted with a plurality of equal-height pads through a fifth mounting screw, and the plurality of equal-height pads are used to support the bottom surface of the product workpiece.

10. The high-precision parts measuring and positioning device according to claim 9, characterized in that: The product length positioning element includes a length positioning block, a positioning support frame, a movable positioning pin sleeve, a movable positioning pin and a length positioning pin. The length positioning block is detachably mounted on the positioning mounting portion on the side of one of the two product supports, the positioning support frame is detachably mounted on the length positioning block, the movable positioning pin sleeve is detachably mounted on the positioning support frame, the movable positioning pin is arranged through the movable positioning pin sleeve, a plurality of positioning pin holes are provided on the movable positioning pin sleeve, a plurality of positioning pin mounting threaded holes are provided on the movable positioning pin corresponding to the positions of the plurality of positioning pin holes, the length positioning pin is detachably mounted in one of the plurality of positioning pin mounting threaded holes, and is arranged facing the end face of the product workpiece.

Images