CN214537654U

CN214537654U - Utensil is examined to product warpage nature

Info

Publication number: CN214537654U
Application number: CN202120643461.6U
Authority: CN
Inventors: 李军; 闫富宏
Original assignee: Taicang Diyang Automobile Equipment Co ltd
Current assignee: Taicang Diyang Automobile Equipment Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-10-29
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a product warpage inspection tool, which is used for detecting the warpage condition at the apex angle of a plate-shaped workpiece. The workpiece includes a reference apex angle and a to-be-inspected apex angle. It is used to clamp at least two reference apex angles of the workpiece; the detection mechanism is used to detect whether the warpage of the apex angle of the workpiece to be inspected is qualified. , the calibration plate is provided with interconnected detection holes, reset holes and positioning holes, the longitudinal length of the detection hole is greater than the longitudinal length of the positioning hole, the thickness of the positioning hole and the lever match, used to calibrate the reference height of the measuring block; The height of the measuring block is changed by sliding between the detection hole, reset hole and positioning hole. The utility model can realize the rapid detection of the warpage degree, does not need to read frequently, and has high detection efficiency.

Description

Utensil is examined to product warpage nature

Technical Field

The utility model belongs to the technical field of examine the utensil, concretely relates to utensil is examined to product warpage nature.

Background

For sheet metal parts, the vertex angles of the workpieces are easy to warp in the processing and transporting processes, the warping degree of the workpieces with the convex vertex angles is particularly obvious, and the subsequent geometric tolerance detection precision of the workpieces is greatly influenced by whether the warping degree is qualified or not, so that the warping degree of the workpieces needs to be checked before detection.

Patent document with application number CN201820744524.5 discloses a simply examine utensil for detecting panel beating roughness, including the carousel, the surface of carousel is provided with operating panel, the surperficial both ends of carousel are run through and are provided with the measuring stick, the inside top of measuring stick is provided with the sensor, the bottom scarf joint of sensor has the spring, the bottom of measuring stick is provided with the measuring head, one side scarf joint of measuring stick has measuring device, measuring device's surface scarf joint has the counter, the bottom middle part of carousel is provided with the sucking disc, the top of sucking disc is provided with the supporting seat. The utility model relates to a rationally, convenient to use through being provided with measuring head, spring and sensor, thereby can make the flexible transmission signal of spring give the sensor through the direct contact of measuring head on the sheet metal component surface, through being provided with the sucking disc, is convenient for carry out the adsorption to the sheet metal surface, prevents that the carousel from producing the skew in the measurement process, influences the measuring accuracy.

However, the gauge needs to observe the reading of the measuring head and compare whether the reading is in a qualified range to judge the flatness of the sheet metal part, the operation process is complicated, and the measuring efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an utensil is examined to product warpage nature that detection efficiency is high.

The utility model provides a following technical scheme:

the utility model provides an utensil is examined to product warpage nature for detect the warpage situation of platelike work piece apex angle department, the work piece includes the benchmark apex angle and waits to examine the apex angle, and this utensil is examined to product warpage nature includes:

the datum fixture is used for clamping at least two datum vertex angles of the workpiece;

the detection mechanism is used for detecting whether the warping degree of the vertex angle to be detected of the workpiece is qualified or not, the detection mechanism comprises a detection block, a shifting rod and a calibration plate, the detection block is in transmission connection with the shifting rod, the calibration plate is provided with a detection hole, a reset hole and a positioning hole which are mutually communicated, the longitudinal length of the detection hole is larger than that of the positioning hole, and the positioning hole is matched with the shifting rod in thickness and used for calibrating the reference height of the detection block; the shifting lever slides among the detection hole, the reset hole and the positioning hole to change the height of the measuring block.

Preferably, the detection mechanism further comprises two sensing elements, the two sensing elements are respectively installed on the left side and the right side of the detection hole and the positioning hole and are respectively used for sensing whether the shifting lever is shifted into the detection hole or the positioning hole, and the sensing elements are connected with the prompt output terminal through data lines.

Preferably, the sensing element is a proximity switch or a micro switch or an ultrasonic ranging sensor.

Preferably, the calibration plate is provided with bending surfaces and a transition surface, the bending surfaces form an included angle with each other, the transition surface is used for connecting the two bending surfaces, the detection hole and the positioning hole are respectively located in the two bending surfaces, the reset hole is located in the transition surface, and the upper end and the lower end of the reset hole respectively extend up and down relative to the detection hole so that the shift lever can slide up and down along the reset hole.

Preferably, the detection mechanism further comprises a vertical plate, a guide rail and a sliding block, the guide rail is vertically installed on the vertical plate, the sliding block is provided with a sliding groove matched with the guide rail, the measuring block is fixed at the top of the sliding block, the shifting lever is hinged to the sliding block, and the sliding block moves up and down along the guide rail when the shifting lever is shifted up and down.

Preferably, the top of the measuring block is provided with a horizontal end face.

Preferably, the benchmark anchor clamps with detection mechanism all includes the elbow and presss from both sides, rotates the handle back clamp that the elbow pressed from both sides tightly the benchmark apex angle and the apex angle that awaits measuring of work piece.

Furthermore, the positioning device also comprises at least two positioning pins arranged on the bottom plate at intervals, and the positioning pins are matched with pin holes in the workpiece to position the workpiece.

Preferably, the positioning pin comprises a pin seat and a pin body, the pin seat is provided with a strip-shaped hole extending along the longitudinal direction, the pin body is fastened in the strip-shaped hole through a bolt, and the installation height of the pin body is adjusted through the strip-shaped hole.

The utility model has the advantages that:

the utility model discloses whether the angularity that detects plate-like work piece by the cooperation of benchmark anchor clamps and detection mechanism is qualified. The method comprises the steps of firstly using a reference fixture to position a reference vertex angle of a workpiece to enable the vertex angle to be detected to be in a free state, and then using a detection mechanism to detect the vertex angle to be detected of the workpiece. The detection mechanism comprises a detection block, a shifting rod and a calibration plate, the detection block is in transmission connection with the shifting rod, a detection hole, a reset hole and a positioning hole which are communicated with each other are formed in the calibration plate, the positioning hole is matched with the shifting rod in thickness, and the shifting rod can slide among the detection hole, the reset hole and the positioning hole to change the height of the detection block.

Specifically, the longitudinal length of the detection hole is greater than that of the positioning hole, the shifting rod can slide in the detection hole within a certain range to judge whether the warping degree of the workpiece is qualified, and when the workpiece is seriously warped downwards, the shifting rod cannot enter the detection hole, so that subsequent detection work is not needed. The detection tool replaces a detection method for judging whether the warping degree is qualified or not by reading the reading of the measuring head, and the working efficiency is improved.

The positioning hole is used for calibrating the reference height of the measuring block, when the warping degree is detected to be qualified, the shifting lever is shifted into the positioning hole, the measuring block keeps the reference height, and the clearance between the measuring block and the bottom surface of the workpiece is measured by using the feeler gauge or the stop gauge, so that the detection result is accurate and reliable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic structural view of the detecting mechanism of the present invention;

fig. 3 is another view structure diagram of the detecting mechanism of the present invention;

fig. 4 is a schematic view of another perspective structure of the detecting mechanism of the present invention;

fig. 5 is a schematic structural view of the positioning pin of the present invention.

Labeled as: 1. a workpiece; 2. a reference vertex angle; 3. a vertex angle to be detected; 4. a reference jig; 5. a holder; 6. an elbow clip; 7. a vertical plate; 8. a guide rail; 9. a slider; 10. measuring blocks; 11. a deflector rod; 12. calibrating the plate; 13. a base plate; 14. a rotating shaft; 15. a detection hole; 16. a reset hole; 17. positioning holes; 18. a bending surface; 19. a transition surface; 20. a sensing element; 21. a strip-shaped hole; 22. positioning pins; 23. a pin boss; 24. a pin body.

Detailed Description

Example 1

As shown in figures 1 to 4, the product warpage detection tool is used for detecting warpage conditions of top corners of plate-shaped workpieces, the workpieces 1 comprise reference top corners 2 and top corners 3 to be detected, and the product warpage detection tool comprises a reference clamp 4 and a detection mechanism.

As shown in fig. 1, the reference jig 4 is used for clamping at least two reference vertex angles 2 of the workpiece, for example, for an approximately triangular workpiece, two reference vertex angles 2 other than a vertex angle to be inspected 3 are clamped by the reference jig 4; for a workpiece which is approximately quadrangular, three reference vertex angles 2 except the vertex angle 3 to be detected are clamped by a reference clamp 4, and the like. Benchmark anchor clamps 4 and detection mechanism all include holder 5 and install the elbow on holder 5 and press from both sides 6, and the benchmark apex angle 2 or the apex angle 3 that awaits measuring of tight work piece are pressed from both sides behind the handle of rotating elbow clamp 6.

The detection mechanism is used for detecting whether the lower warping degree of the workpiece to be detected at the top angle 3 is qualified or not. As shown in fig. 2 to 4, the detection mechanism includes a vertical plate 7, a guide rail 8, a slide block 9, a measuring block 10, a shift lever 11, and a calibration plate 12. The vertical plate 7 is fixedly arranged on the bottom plate 13, the guide rail 8 is vertically arranged on the vertical plate 7, the guide rail 8 is a dovetail-shaped guide rail, the sliding block 9 is provided with a sliding groove matched with the guide rail 8, the measuring block 10 is fixed at the top of the sliding block 9, and a gap is formed between the measuring block 10 and the bottom surface of the workpiece 1; the deflector rod 11 is hinged on the sliding block 9 through a vertical rotating shaft 14, and when the deflector rod 11 is moved up and down, the sliding block 9 moves up and down along the guide rail 8, so that the height of the measuring block 10 is changed.

As shown in fig. 3 and 4, the calibration plate 12 is provided with a detection hole 15, a reset hole 16, and a positioning hole 17, which communicate with each other. The calibration plate 12 has bending surfaces 18 forming an included angle with each other and a transition surface 19 connecting the two bending surfaces 18, the detection hole 15 and the positioning hole 17 are respectively located in the two bending surfaces 18, and the reset hole 16 is located in the transition surface 19.

The longitudinal length of the detection hole 15 is larger than that of the positioning hole 17, so that the deflector rod 11 and the measuring column 10 can move within a certain height range, and a judgment basis of a qualified range is provided for detecting the warping degree of the workpiece 1. The thickness of the positioning hole 17 is matched with that of the deflector rod 11, and after the warping degree is detected to be qualified, the deflector rod 11 is pulled into the positioning hole 17 to calibrate the reference height of the measuring block 10, so that the subsequent detection work can be accurately finished. The upper and lower ends of the reset hole 16 respectively extend up and down relative to the detection hole 15, and the shift lever 11 can slide up and down along the reset hole 16. Before the detection action, the shifting lever 11 is positioned in the reset hole 16 and supported by the bottom of the reset hole 16, and during the detection, the shifting lever 11 is lifted upwards and rotated into the detection hole 15. Through the above structure, the position of the shift lever 11 is changed corresponding to the stage to be measured, the detection stage and the positioning stage, respectively, so that the shift lever 11 slides among the detection hole 15, the reset hole 16 and the positioning hole 17 to change the height of the measuring block 10.

The top of the measuring block 10 is provided with a horizontal end face so as to be horizontally attached to a detection tool, and detection precision is guaranteed.

The working process of the gauge is as follows:

placing a workpiece 1 on a reference clamp 4, and clamping a reference vertex angle 2 of the workpiece except for an to-be-detected vertex angle 3 by using the reference clamp 4, wherein the to-be-detected vertex angle 3 and the reference vertex angle 2 of the workpiece may not be on the same plane; the shift lever 11 is positioned at the lowest part of the reset hole 16, namely the measuring block 10 is positioned at the lowest movable point;

lifting the deflector rod 11 upwards along the reset hole 16, rotating the deflector rod into the detection hole 15, judging that the downward warping degree of the workpiece 1 is qualified if the deflector rod 11 can enter the detection hole 15, then rotating the deflector rod 11 into the positioning hole 17, positioning the measuring block 10 according to a reference, detecting the size of a gap between the measuring column and the bottom surface of the workpiece by using a feeler gauge, a stop gauge and the like, clamping the elbow clamp on the vertex angle 3 to be detected, and detecting other parts of the workpiece; if the deflector rod 11 cannot enter the detection hole 15, the warping degree of the workpiece is judged to be unqualified, and the workpiece is taken away from the detection tool.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that the present embodiment further includes two sensing elements 20, and the two sensing elements 20 are respectively installed at the left and right sides of the detection hole 15 and the positioning hole 17 and are respectively used for sensing whether the shift lever 11 is shifted into the detection hole 15 or the positioning hole 17. The sensing element 20 may be a proximity switch, a micro switch, a photoelectric sensor or an ultrasonic distance measuring sensor. The sensing element 20 is connected to a prompt output terminal, such as a display, an audible and visual prompt, etc., through a data line. When the shift lever 11 is shifted into the detection hole 15, the sensing element 20 beside the hole sends a detection signal to the prompt output terminal, so that the warping degree is qualified, and the next detection can be carried out; when the dial 11 is dialed into the positioning hole 17, the sensing element 20 beside the hole sends a detection signal to the prompt output terminal, which prompts that the measuring column 20 is sent into the reference plane.

As shown in fig. 1, the present embodiment further includes at least two positioning pins 22 disposed on the bottom plate at intervals, and the positioning pins 22 are matched with the pin holes on the workpiece 1 to position the workpiece 1, so as to facilitate finding the position of the corner 3 to be inspected and other measuring points of the workpiece.

As shown in fig. 5, the positioning pin 22 includes a pin seat 23 and a pin body 24, the pin seat 23 is provided with a strip-shaped hole 21 extending in a longitudinal direction, the pin body 24 is fastened in the strip-shaped hole 21 by a bolt, and the installation height of the pin body 24 is adjusted by the strip-shaped hole 21, so that the height of the pin body 24 is changed to be adapted to pin holes of different heights.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A product warpage inspection tool is used to detect the warpage condition at the apex angle of a plate-shaped workpiece, and the workpiece includes a reference apex angle and a to-be-checked apex angle, and is characterized in that the product warpage inspection tool includes:

A reference fixture for clamping at least two reference top angles of the workpiece;

A detection mechanism is used to detect whether the warpage of the top angle of the workpiece to be tested is qualified. The detection mechanism includes a measuring block, a lever and a calibration plate. A detection hole, a reset hole and a positioning hole that are connected to each other are provided, the longitudinal length of the detection hole is greater than the longitudinal length of the positioning hole, and the thickness of the positioning hole matches the thickness of the lever for calibrating the reference height of the measuring block; The lever slides among the detection hole, the reset hole and the positioning hole to change the height of the measuring block.

2 . The product warpage inspection tool according to claim 1 , wherein the detection mechanism further comprises a sensing element, and two of the sensing elements are respectively installed at the positions of the detection hole and the positioning hole. 3 . The left and right sides are respectively used to sense whether the lever is inserted into the detection hole or the positioning hole, and the sensing element is connected to the prompt output terminal through a data line.

3 . The product warpage inspection tool according to claim 2 , wherein the sensing element is a proximity switch or a micro switch or an ultrasonic ranging sensor. 4 .

4. The product warpage inspection tool according to claim 1 or 2, wherein the calibration plate has a bending surface forming an angle with each other and a transition surface connecting the two bending surfaces, and the detection hole The positioning hole and the positioning hole are respectively located in the two bending surfaces, the reset hole is located in the transition surface, and the upper and lower ends of the reset hole respectively extend up and down relative to the detection hole so that the lever can move along the The reset hole slides up and down.

5 . The product warpage inspection tool according to claim 4 , wherein the detection mechanism further comprises a vertical plate, a guide rail and a slider, the guide rail is vertically installed on the vertical plate, and the The slider has a chute adapted to the guide rail, the measuring block is fixed on the top of the slider, the lever is hinged on the slider, and the slider is moved up and down when the lever is moved up and down Elevating motion is performed along the guide rail.

6 . The product warpage inspection tool according to claim 1 , wherein the top of the measuring block has a horizontal end surface. 7 .

7 . The product warpage inspection tool according to claim 1 , wherein the reference clamp and the detection mechanism both comprise an elbow clamp, and the reference top of the workpiece is clamped after rotating the handle of the elbow clamp. 8 . angle and the vertex angle to be measured.

8 . The product warpage inspection tool according to claim 1 , further comprising at least two positioning pins arranged on the bottom plate at intervals, and the positioning pins cooperate with pin holes on the workpiece to locate the workpiece. 9 .

9 . The product warpage inspection tool according to claim 8 , wherein the positioning pin comprises a pin seat and a pin body, the pin seat is provided with a longitudinally extending strip hole, and the pin body is formed by the The bolt is fastened in the strip hole, and the installation height of the pin body is adjusted by the strip hole.