CN202195778U - A special inspection tool for measuring the position of automobile exhaust pipe hole - Google Patents

Abstract

A special checking fixture for measuring the hole position of an automobile exhaust pipe comprises a bottom plate, a workpiece positioning plate, a hole detection pin, a fixture seat and a quick fixture, wherein the bottom plate is provided with a handle for carrying bottom feet; the workpiece positioning plate is provided with a workpiece bottom surface hole positioning pin; the hole detection positioning plate consists of a vertical plate and a transverse plate, and detection holes are respectively formed in the vertical plate and the transverse plate; the hole detection pins comprise vertical hole detection pins and horizontal hole detection pins, and are positioned with the detection holes in the vertical plate and the transverse plate through pin sleeves, and the hole detection pins are in sliding fit with the pin sleeves; the workpiece positioning plate, the clamp seat and the vertical plate are respectively fixed with the bottom plate; the quick clamp is connected and fixed with the clamp seat. The utility model has the advantages that: the special checking fixture has the advantages of simple structure, convenience, practicability and small occupied space; the special checking fixture is accurate and quick in judgment, eliminates the problem of long-time waiting caused by slow detection of the three-coordinate measuring machine, can effectively improve the working efficiency and the detection precision, and is widely applied to processing and manufacturing of automobile castings.

Description

A special inspection tool for measuring the position of automobile exhaust pipe hole

(1) Technical field

The utility model relates to a product measuring tool, in particular to a special inspection tool used for measuring the position of an automobile exhaust pipe hole.

(2) Background technology

At present, in the manufacturing industry, the position of the workpiece hole is generally measured by a three-coordinate measuring instrument. The disadvantage of this measurement method is that the cost of occupying the measuring tool is high, and the detection time is long, and the requirements for the detection personnel are high. In addition, using a three-coordinate measuring instrument to detect the position of the workpiece hole requires the preparation of a detection program and the production of a corresponding support frame, which brings a lot of inconvenience to the measurement work.

(3) Contents of utility model

The purpose of this utility model is to solve the above existing problems and provide a special inspection tool for measuring the position of the exhaust pipe hole of an automobile, which is simple in structure, easy to use, can ensure detection accuracy and improve work efficiency.

Technical scheme of the utility model:

A special inspection tool for measuring the position of automobile exhaust pipe holes, including a base plate, a workpiece positioning plate, a hole detection positioning plate, a hole detection pin, a clamp seat and a quick clamp. The feet are respectively fixed to the bottom plate by screws, and the two sides of the bottom plate are respectively fixed with handling handles; the workpiece positioning plate is rectangular, and the workpiece positioning plate is provided with positioning pins on the bottom surface of the workpiece and fixed on the workpiece positioning plate through interference fit The hole detection positioning plate is composed of a vertical plate and a horizontal plate, the horizontal plate is fixed on the top of the vertical plate by screws, and the vertical plate and the horizontal plate are respectively equipped with detection holes; the hole detection pins include vertical hole detection pins and Horizontal hole detection pin, the hole detection pin is positioned through the pin sleeve and the detection hole on the vertical plate and the horizontal plate, the pin sleeve and the detection hole on the vertical plate and the horizontal plate are fixed by interference fit, and the hole detection pin is slidingly fitted with the pin sleeve , the hole detection pin is provided with a detection pin handle and fixed through threaded connection; the workpiece positioning plate, the fixture seat and the vertical plate of the hole detection positioning plate are respectively fixed to the bottom plate by bolts, wherein the workpiece positioning plate is located in the center of the bottom plate, and the fixture seat and hole detection The vertical plates of the positioning plate are respectively located on both sides of the workpiece positioning plate; the quick clamp is connected and fixed with the clamp seat by bolts.

The utility model has the advantages of simple structure, convenient and practical, and small occupied space; accurate and fast judgment, which eliminates the long-time waiting problem caused by the slow detection of the three-coordinate measuring machine, and improves the frequency of product inspection And reduce the quality risk; can effectively improve work efficiency and detection accuracy, and can be widely used in the processing and manufacturing of automobile castings.

(4) Description of drawings

Figure 1 is a three-dimensional view of the state of the workpiece detected by the special inspection tool.

Figure 2 is a schematic diagram of the front view of the special inspection tool.

Figure 3 is a schematic top view of the special inspection tool.

Figure 4 is a schematic diagram of the side view structure of the special inspection tool.

In the figure: 1. Bottom plate 2. Workpiece positioning plate 3. Fixture seat 4. Quick fixture 5. Foot 6. Detection pin handle 7. Positioning pin of workpiece bottom surface 8. Horizontal plate 9. Vertical plate 10. Vertical hole detection pin 11. Horizontal hole detection pin 12. Pin sleeve 13. Handle for handling

(5) Specific implementation methods

Example:

A special inspection tool for measuring the position of automobile exhaust pipe holes, as shown in Figures 1, 2, 3, and 4: it includes a base plate 1, a workpiece positioning plate 2, a hole detection positioning plate, a hole detection pin, and a fixture seat 3 And quick fixture 4, base plate 1 is rectangle, and the bottom of base plate 1 is provided with four feet 5 and is respectively fixed with base plate 1 by screw, and two sides of base plate 1 are respectively fixed with carrying handle 13; Workpiece positioning plate 2 is Rectangular, the workpiece positioning plate 2 is provided with a positioning pin 7 on the bottom surface of the workpiece and fixed in the round hole on the workpiece positioning plate 2 through interference fit; the hole detection positioning plate is composed of a vertical plate 9 and a horizontal plate 8, and the horizontal plate 8 passes through Screws are fixed on the top of the vertical plate 9, and the vertical plate 9 and the horizontal plate 8 are respectively provided with detection holes; the hole detection pins include vertical hole detection pins 10 and horizontal hole detection pins 11, and the hole detection pins 10, 11 pass through the pin sleeves 12 is positioned with the detection holes on the vertical plate 9 and the horizontal plate 8, and the pin sleeve 12 is fixed with the detection holes on the vertical plate 9 and the horizontal plate 8 through interference fit. Detecting pins 10 and 11 are provided with detecting pin handles 6 and are fixed through threaded connections; workpiece positioning plate 2, fixture seat 3 and vertical plate 9 of hole detection positioning plate are respectively fixed to base plate 1 by bolts, wherein workpiece positioning plate 2 is located on base plate 1 The center of the fixture seat 3 and the vertical plate 9 of the hole detection positioning plate are respectively located on both sides of the workpiece positioning plate 2; the quick clamp 4 is connected and fixed with the fixture seat 3 by bolts.

In this embodiment, according to the actual situation of the measured automobile exhaust pipe hole position, there are two sets of quick clamps 4 and clamp seats 3 for fixing the workpiece; there are 8 positioning pins 7 on the bottom surface of the workpiece on the workpiece positioning plate 2; There are four horizontal hole detection pins 11 on the plate 8; one vertical hole detection pin 10 on the horizontal plate 9.

In this embodiment: the size of the bottom plate is 480×300×25mm, using 45# carbon steel; the size of the positioning plate is 440×110×20mm, using Cr12MoV mold steel; the size of the fixture seat is 64×48.5×135mm, using 45# carbon steel Steel; quick fixture WEI master SSP-12265 standard parts; bottom angle size Φ30×25mm, using 45# carbon steel; detection pin handle size Φ14×74mm, one end is made of external thread M6×1-6H, length 15mm, handle end The surface is knurled, using 45# carbon steel; the positioning pin of the bottom surface is a stepped shaft, the upper end size is Φ12.45+0.02/+0.01mm, the height is 17mm, the lower end size is Φ8mm, and the height of the positioning plate hole is 10mm; the horizontal plate Dimensions 100×45×30mm use carbon steel, vertical plate size 220×30×285mm, use carbon steel; vertical hole detection pins are stepped, major diameter Φ15×79.47mm and pin sleeve sliding fit, detection part diameter Φ6 .05×15mm, using Cr12MoV die steel; the horizontal hole detection pin is stepped, the large diameter Φ15×92mm is slidingly fitted with the pin sleeve, the diameter of the detection part is Φ8.5×16mm, using Cr12MoV die steel; the outer diameter of the pin sleeve is stepped The large diameter is Φ28×15mm, the small diameter is Φ22×30mm, and there is a Φ15mm through hole in the center to slide and cooperate with the vertical and horizontal detection pins. The overall use of Cr12MoV die steel.

The inspection tool is used to detect the position of the automobile exhaust pipe hole, the steps are as follows:

1) Closely stick the bottom surface of the workpiece to the positioning plate, and insert the bottom surface hole into the detection pin on the bottom surface;

2) Close the quick fixture and clamp the workpiece;

3) Slide the vertical detection pin downward in the vertical direction, and slide the horizontal detection pin forward in the horizontal direction;

4) If the bottom surface hole of the workpiece can pass through the bottom surface hole detection pin and is closely attached to the positioning plate surface, the position of the bottom surface hole is qualified, otherwise it is unqualified;

5) If the vertical detection pin and the horizontal detection pin can penetrate into the vertical hole and the horizontal hole of the workpiece, it is judged qualified, otherwise it is unqualified.

The actual production application proves that the inspection tool has a good effect.

Claims (1)

1. appliance special for detecting that is used for measured automobiles exhaust duct aperture position; It is characterized in that: comprise base plate, workpiece location-plate, hole detection positioning plate, hole test pin, clamping fixture seat and quick-speed jigs; Base plate is a rectangle; Be provided with four footing below the base plate and fix with base plate respectively through screw, two sides of base plate are fixed with carrying respectively and use handle; The workpiece location-plate is a rectangle, and the workpiece location-plate is provided with workpiece bottom hole register pin and is fixed in the circular hole on the workpiece location-plate through interference fit; The hole detection positioning plate is made up of riser and transverse slat, and transverse slat is the top through screw retention at riser, is respectively equipped with on riser and the transverse slat to detect the hole; The hole test pin comprises vertically to hole test pin and level to the hole test pin; The hole test pin is through location, the detection hole on guide and riser and the transverse slat; Detection hole on guide and riser and the transverse slat is fixed through interference fit; Hole test pin and guide are slidingly matched, and the hole test pin is provided with test pin handle and fixing through being threaded; The riser of workpiece location-plate, clamping fixture seat and hole detection positioning plate is fixed through bolt and base plate respectively, and wherein the workpiece location-plate is positioned at the center of base plate, and the riser of clamping fixture seat and hole detection positioning plate lays respectively at the both sides of workpiece location-plate; Quick-speed jigs is connected fixing with clamping fixture seat through bolt.

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