Special-shaped spring length rapid positioning detection tool

Abstract

The utility model discloses a special-shaped spring length rapid positioning detection tool, which comprises a bottom plate, the bottom plate is sequentially provided with a front limiting device, a spring limiting column, a rear limiting device and a measuring device, the front limiting device comprises a limiting drag hook and a drag hook limiting block, the drag hook limiting block is provided with a through hole, the limiting drag hook is provided with a baffle block and a drag hook, and the baffle block is provided with a through hole. The baffle block and the drag hook are respectively arranged at two sides of the drag hook limiting block, a compression spring is also arranged between the baffle block and the drag hook limiting block, the measuring device comprises a zeroing guide rod fixing block, a zeroing guide rod, a measuring guide rod auxiliary block, a measuring guide rod, a dial indicator auxiliary block and a dial indicator, the zeroing guide rod is arranged on the zeroing guide rod fixing block, and the measuring guide rod is arranged on the measuring guide rod auxiliary block. The measuring guide rod is installed on the measuring guide rod auxiliary block, the rear end of the measuring guide rod is connected with the dial indicator, the dial indicator is installed on the rear side of the dial indicator auxiliary block, detection is convenient and fast, detection efficiency is high, and detection accuracy is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of spring processing, and in particular relates to a tool for quickly positioning and detecting the length of a special-shaped spring. Background Art

[0002] As customers' quality requirements continue to increase, the requirements for the size of special-shaped springs are becoming more and more stringent. The traditional length measurement method is to use an imaging device. The measurement principle of the imaging device is projection imaging, and lines are taken on the formed image for measurement. When the special-shaped spring has a spatial angle, the image formed by the imager will appear blurred. Different inspectors have different recognition of blurred images, so the position of the line will be different, which ultimately leads to different test results. In addition, the operation of the imager is cumbersome and the detection efficiency is low. Therefore, it is necessary to develop a fast positioning and detection tool for special-shaped springs. Utility Model Content

[0003] In order to overcome the above technical problems existing in the prior art, the purpose of the present invention is to provide a tool for quickly positioning and detecting the length of special-shaped springs, which is convenient and fast to detect, has high detection efficiency and high detection accuracy.

[0004] The utility model provides a tool for quickly positioning and detecting the length of a special-shaped spring, comprising a base plate, on which a front limit device, a spring limit column, a rear limit device, and a measuring device are sequentially arranged. The front limit device comprises a limit hook and a hook limit block. The hook limit block is provided with a through hole, and the limit hook is provided with a stop block and a hook. The stop block and the hook are respectively arranged on both sides of the hook limit block, and a compression spring is further provided between the stop block and the hook limit block. The measuring device comprises a zeroing guide rod fixing block, a zeroing guide rod, a measuring guide rod auxiliary block, a measuring guide rod, a dial indicator auxiliary block, and a dial indicator. The zeroing guide rod is installed on the zeroing guide rod fixing block, the measuring guide rod is installed on the measuring guide rod auxiliary block, the rear end of the measuring guide rod is connected to the dial indicator, and the dial indicator is installed on the rear side of the dial indicator auxiliary block.

[0005] The zeroing guide rod passes through the zeroing guide rod fixing block, the measuring guide rod passes through the measuring guide rod auxiliary block, and the zeroing guide rod and the measuring guide rod are vertically arranged.

[0006] The spring limiting columns are arranged between the front limiting device and the rear limiting device. There are three groups of spring limiting columns, with two columns in each group.

[0007] The two spring limiting columns of the first two groups of the three groups are arranged in parallel and symmetrically, and the gap between the two spring limiting columns of the first group is smaller than the gap between the two spring limiting columns of the second group. The two spring limiting columns of the third group are staggered front to back.

[0008] The zeroing guide rod fixing block is fixed on the base plate, the measuring guide rod auxiliary block is fixed on the base plate close to the zeroing guide rod fixing block, and the ends of the zeroing guide rod fixing block and the measuring guide rod auxiliary block are staggered, the rear limit device includes a rear limit block and a rear limit column, the rear limit column is installed on the rear limit block, and the rear end of the rear limit block is located in the space where the ends of the zeroing guide rod fixing block and the measuring guide rod auxiliary block are staggered.

[0009] The measuring guide rod and the dial indicator are respectively positioned and installed on the measuring guide rod auxiliary block and the dial indicator auxiliary block through positioning pins or positioning bolts.

[0010] The draw hook limiting block and the rear limiting block are fixed to the bottom plate by bolts.

[0011] The utility model provides a tool for quickly positioning and detecting the length of a special-shaped spring. Its beneficial effect is that the detection effect is convenient and fast, the detection efficiency is improved by 50%, manual measurement errors are avoided, the accuracy of detection is improved, and it is highly practical. Special-shaped springs of different lengths can be detected by replacing the limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0013] Figure 2 It is a structural diagram of an embodiment of the utility model;

[0014] Note in the figure:

[0015] 1. Base plate; 2. Draw hook limit block; 3. Spring limit column; 4. Special-shaped spring; 5. Zeroing guide rod; 6. Measuring guide rod auxiliary block; 7. Dial indicator auxiliary block; 8. Dial indicator; 9. Measuring rod; 10. Measuring guide rod; 11. Zeroing guide rod fixing block; 12. Rear limit block; 13. Rear limit column; 14. Draw hook; 15. Compression spring; 16. Stop block. DETAILED DESCRIPTION

[0016] The following describes in detail a tool for quickly positioning and detecting the length of a special-shaped spring provided by the present invention with reference to the accompanying drawings and in combination with an embodiment.

[0017] Example

[0018] Reference Figure 1-Figure 2, a tool for quickly positioning and detecting the length of a special-shaped spring in this embodiment includes a base plate 1, on which a front limit device, a spring limit column 3, a rear limit device, and a measuring device are sequentially arranged. The front limit device includes a limit hook and a hook limit block 2. The hook limit block 2 is provided with a through hole, and the limit hook is provided with a stopper 16 and a hook 14. The stopper 16 and the hook 14 are respectively arranged on both sides of the hook limit block 2, and a compression spring 15 is also provided between the stopper 16 and the hook limit block 2. The measuring device includes a zeroing guide rod fixing block 11, a zeroing guide rod 5, a measuring guide rod auxiliary block 6, a measuring guide rod 10, a dial indicator auxiliary block 7, and a dial indicator 8. The zeroing guide rod 5 is installed on the zeroing guide rod fixing block 11, and the measuring guide rod 10 is installed on the measuring guide rod auxiliary block 6. The rear end of the measuring guide rod 10 is connected to the measuring rod 9 of the dial indicator, and the dial indicator 8 is installed on the rear side of the dial indicator auxiliary block 7.

[0019] The zeroing guide rod 5 passes through the zeroing guide rod fixing block 11, and the measuring guide rod 10 passes through the measuring guide rod auxiliary block 6. The zeroing guide rod 5 and the measuring guide rod 10 are arranged vertically, and a U-shaped groove is provided at the end of the measuring guide rod 10.

[0020] The spring limiting columns 3 are arranged between the front limiting device and the rear limiting device. There are three groups of spring limiting columns, with two columns in each group.

[0021] The two spring limiting columns of the first two groups of the three groups are arranged in parallel and symmetrically, and the gap between the two spring limiting columns of the first group is smaller than the gap between the two spring limiting columns of the second group. The two spring limiting columns of the third group are staggered front to back.

[0022] The zeroing guide rod fixing block 11 is fixed on the base plate 1, and the measuring guide rod auxiliary block 6 is fixed on the base plate 1 close to the zeroing guide rod fixing block 11, and the ends of the zeroing guide rod fixing block 11 and the measuring guide rod auxiliary block 6 are staggered. The rear limit device includes a rear limit block 12 and a rear limit column 13, and the rear limit column 13 is installed on the rear limit block 12. The rear end of the rear limit block 12 is located in the space where the ends of the zeroing guide rod fixing block 11 and the measuring guide rod auxiliary block 6 are staggered.

[0023] The measuring guide rod 10 and the dial indicator 8 are respectively positioned and installed on the measuring guide rod auxiliary block 6 and the dial indicator auxiliary block 7 through positioning pins or positioning bolts.

[0024] The hook limit block 2 and the rear limit block 12 are fixed to the base plate 1 by bolts.

[0025] Press the red switch button of the dial indicator and push the zeroing guide rod 5 into the U-shaped groove of the measuring guide rod 10. When the dial indicator displays the reading as zero, push the limit hook to clamp one end of the special-shaped spring 4 into the hook 14. The special-shaped spring 4 is placed in the U-shaped groove between each group of spring limit columns 3, between the rear limit columns 13, and the measuring guide rod 10 in turn, and the measuring guide rod is pushed. At this time, the dial indicator will display the reading, and the length of the special-shaped spring can be measured.

Claims

1. A tool for quickly positioning and detecting the length of a special-shaped spring, characterized by: It includes a base plate, on which a front limit device, a spring limit column, a rear limit device, and a measuring device are sequentially arranged. The front limit device includes a limit hook and a hook limit block. The hook limit block is provided with a through hole. The limit hook is provided with a stop block and a hook. The stop block and the hook are respectively arranged on both sides of the hook limit block. A compression spring is also provided between the stop block and the hook limit block. The measuring device includes a zeroing guide rod fixing block, a zeroing guide rod, a measuring guide rod auxiliary block, a measuring guide rod, a dial indicator auxiliary block, and a dial indicator. The zeroing guide rod is installed on the zeroing guide rod fixing block, the measuring guide rod is installed on the measuring guide rod auxiliary block, the rear end of the measuring guide rod is connected to the dial indicator, and the dial indicator is installed on the rear side of the dial indicator auxiliary block.

2. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 1, characterized in that: The zeroing guide rod passes through the zeroing guide rod fixing block, the measuring guide rod passes through the measuring guide rod auxiliary block, and the zeroing guide rod and the measuring guide rod are vertically arranged.

3. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 1, characterized in that: The spring limiting columns are arranged between the front limiting device and the rear limiting device. There are three groups of spring limiting columns, with two columns in each group.

4. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 3, characterized in that: The two spring limiting columns of the first two groups of the three groups are arranged in parallel and symmetrically, and the gap between the two spring limiting columns of the first group is smaller than the gap between the two spring limiting columns of the second group. The two spring limiting columns of the third group are staggered front to back.

5. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 1, characterized in that: The zeroing guide rod fixing block is fixed on the base plate, the measuring guide rod auxiliary block is fixed on the base plate close to the zeroing guide rod fixing block, and the ends of the zeroing guide rod fixing block and the measuring guide rod auxiliary block are staggered, the rear limit device includes a rear limit block and a rear limit column, the rear limit column is installed on the rear limit block, and the rear end of the rear limit block is located in the space where the ends of the zeroing guide rod fixing block and the measuring guide rod auxiliary block are staggered.

6. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 1, characterized in that: The measuring guide rod and the dial indicator are respectively positioned and installed on the measuring guide rod auxiliary block and the dial indicator auxiliary block through positioning pins or positioning bolts.

7. The tool for quickly positioning and detecting the length of a special-shaped spring according to claim 5, characterized in that: The draw hook limiting block and the rear limiting block are fixed to the bottom plate by bolts.

Images