Combined pin for detecting position accuracy of bolt and bottom hole

Abstract

The utility model discloses a bolt and bottom hole position degree detection combination pin which comprises a positioning sleeve, a bolt detection pin sleeve, a first spring, a bottom hole detection pin and a second spring. The bolt detection pin sleeve penetrates through the positioning sleeve and can ascend or descend in the positioning sleeve, a pin hole and a detection hole are formed in the bolt detection pin sleeve, the detection hole is located in the lower end of the pin hole and used for detecting the bolt position degree of a workpiece, the upper end of the bolt detection pin sleeve is sleeved with the first spring, and the lower end of the first spring abuts against the upper end of the positioning sleeve; the bottom hole detection pin penetrates through the pin hole and the detection hole and can ascend or descend in the pin hole and the detection hole, the lower end of the bottom hole detection pin downwards extends out of the detection hole and is used for detecting the position degree of a bottom hole of a workpiece, the upper end of the bottom hole detection pin is sleeved with the second spring, and the lower end of the second spring abuts against the bolt detection pin sleeve. The device is simple in structure and accurate in detection, can detect the position degree of the bolt and the position degree of the bottom hole, and is convenient and rapid in detection process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the gauge of workpiece, especially a position degree detection combination pin of bolt and bottom hole. BACKGROUND

[0002] At present, in the detection process of automobile plastic parts and other workpieces, the position degree of the bolt and the bottom hole of the workpiece needs to be detected to detect whether the position tolerance of the bolt and the bottom hole is within the range of allowable self-position variation.

[0003] In the prior art, the position degree detection of the workpiece bolt needs to use a bolt position degree gauge to detect, and the position degree detection of the workpiece bottom hole needs to use a bolt position degree gauge to detect, that is, the position degree detection of the bolt and the bottom hole needs to use two different position degree gauges to detect, and the same gauge cannot be used for detection, and when the workpiece has both a bolt and a bottom hole, the bolt position degree gauge and the bottom hole position degree gauge need to be switched constantly to complete the position degree detection of the bolt and the bottom hole of the workpiece, and the detection process is very inconvenient. SUMMARY

[0004] The technical problem to be solved by the utility model is to provide a position degree detection combination pin of bolt and bottom hole, which is simple in structure, accurate in detection, can detect the bolt position degree of the workpiece and the bottom hole position degree of the workpiece, and is convenient and fast in the detection process.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a position degree detection combination pin of bolt and bottom hole, comprising a positioning sleeve, a bolt detection pin sleeve, a first spring, a bottom hole detection pin and a second spring; the bolt detection pin sleeve passes through the positioning sleeve and can ascend or descend in the positioning sleeve, a pin hole and a detection hole are arranged in the bolt detection pin sleeve, the detection hole is located at the lower end of the pin hole, and the detection hole is used for detecting the bolt position degree of the workpiece; the first spring is sleeved on the upper end of the bolt detection pin sleeve, and the lower end of the first spring abuts against the upper end of the positioning sleeve; the bottom hole detection pin passes through the pin hole and the detection hole and can ascend or descend in the pin hole and the detection hole, the lower end of the bottom hole detection pin extends out of the detection hole downward, and the lower end of the bottom hole detection pin is used for detecting the bottom hole position degree of the workpiece; and the second spring is sleeved on the upper end of the bottom hole detection pin, and the lower end of the second spring abuts against the bolt detection pin sleeve.

[0006] In the above technical scheme, the upper end of the bolt detection pin sleeve is provided with a first spring sleeve, the upper end of the first spring abuts against the lower end of the first spring sleeve; the upper end of the bottom hole detection pin is provided with a second spring sleeve, and the upper end of the second spring abuts against the lower end of the second spring sleeve.

[0007] In the above technical scheme, the upper end of the bolt detection pin sleeve is provided with positioning grooves on both sides, the first spring sleeve is provided with positioning screw holes on both sides, the two positioning screw holes are respectively provided with positioning screws, and the inner ends of the positioning screws are in clamping connection with the positioning grooves.

[0008] In the above technical scheme, the inner diameter of the detection hole is larger than the inner diameter of the pin hole, the bottom hole detection pin comprises a detection pin body and a detection head, the detection head is integrally connected to the lower end of the detection pin body, the detection head is movably arranged in the detection hole, the length of the detection head is smaller than the length of the detection hole, and the detection head can be moved into the upper end of the detection hole when the bolt position degree of the workpiece is detected in the detection hole. Further, the diameter of the detection head is larger than the diameter of the detection pin body and larger than the diameter of the pin hole, and the ratio of the length of the detection head to the length of the detection hole is 1:2-1:4.

[0009] The utility model discloses beneficial effect is: the utility model discloses in the detection process, the positioning sleeve is fixed in the standard position of the detection equipment, and the bolt of the workpiece to be detected can be inserted into the detection hole, and the lower end of the detection pin can be inserted into the bottom hole of the workpiece to be detected. When the bolt of the workpiece needs to be detected, the hand or mechanical hand pushes the bolt detection pin sleeve downward, if the bolt position degree is qualified, then the detection hole of the lower end of the bolt detection pin sleeve can be outside the bolt of the workpiece to be detected, at this time, because the bottom hole detection pin is not held fixed, therefore, the bottom hole detection pin will be moved upward by the reaction force of the bolt, and the bolt position degree detection will not be affected, if the bolt position degree is not good, then the detection hole of the lower end of the bolt detection pin sleeve cannot be outside the bolt of the workpiece to be detected, after the bolt position degree detection ends, the hand or mechanical hand releases the bolt detection pin sleeve, and under the action of the first spring, the bolt detection pin sleeve will be moved upward and reset. When the bottom hole of the workpiece needs to be detected, the hand or mechanical hand holds the bottom hole detection pin and moves downward, if the bottom hole position degree is qualified, then the lower end of the bottom hole detection pin can be inserted into the bottom hole of the workpiece to be detected, if the bottom hole position degree is not good, then the lower end of the bottom hole detection pin cannot be inserted into the bottom hole of the workpiece to be detected, after the bottom hole position degree detection ends, the hand or mechanical hand releases the bottom hole detection pin, and under the action of the second spring, the bottom hole detection pin will be moved upward and reset. Therefore, the utility model can detect the bolt position degree of the workpiece and the bottom hole position degree of the workpiece, and the detection process is convenient and fast, and the overall structure is simple, accurate and simple in structure. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the overall structure diagram of the first visual angle of the utility model.

[0011] Figure 2The second view angle is the whole structure diagram of the utility model.

[0012] Figure 3 The dispersion structure diagram of the utility model.

[0013] Figure 4 The longitudinal section structure diagram of the utility model.

[0014] Figure 5 The structure state section view of the bolt position degree detection of the utility model.

[0015] Figure 6 The structure state section view of the bottom hole position degree detection of the utility model. CONCRETE EMBODIMENT

[0016] The structure principle and working principle of the utility model are further explained in detail below in combination with the drawings.

[0017] As Figures 1-4 shown, the utility model is a bolt and bottom hole position degree detection combination pin, including positioning sleeve 1, bolt detection pin sleeve 2, first spring 3, bottom hole detection pin 4 and second spring 5, bolt detection pin sleeve 2 passes through positioning sleeve 1 and can ascend or descend in positioning sleeve 1, and the inside of bolt detection pin sleeve 2 is equipped with pin hole 21 and detection hole 22, detection hole 22 is located at the lower end of pin hole 21, and detection hole 22 is used for detecting the bolt position degree of a workpiece, first spring sleeve 6 is installed at the upper end of bolt detection pin sleeve 2, and the lower end of first spring 3 abuts against the upper end of positioning sleeve 1, bottom hole detection pin 4 passes through pin hole 21 and detection hole 22 and can ascend or descend in pin hole 21 and detection hole 22, the lower end of bottom hole detection pin 4 extends out of detection hole 22 downwards, and the lower end of bottom hole detection pin 4 is used for detecting the bottom hole position degree of a workpiece, second spring sleeve 7 is installed at the upper end of bottom hole detection pin 4, and the lower end of second spring 5 abuts against bolt detection pin sleeve 2.

[0018] In the detection process, positioning sleeve 1 is fixed in the standard position set on the detection equipment, the bolt of the workpiece to be detected can be inserted into detection hole 22, and the lower end of the detection pin can be inserted into the bottom hole of the workpiece to be detected.

[0019] As Figure 5As shown, when the position detection combination pin of this utility model is detecting the bolt 101 of the workpiece 100, a person or robot pushes the bolt detection pin sleeve 2 downward. If the position of the bolt 101 is qualified, the detection hole 22 at the lower end of the bolt detection pin sleeve 2 can be fitted over the bolt 101 of the workpiece 100 to be tested. At this time, since the bottom hole detection pin 4 is not held and fixed, the bottom hole detection pin 4 will be moved upward by the reaction force of the bolt 101, which will not affect the bolt position detection. If the position of the bolt 101 is not good, the detection hole 22 at the lower end of the bolt detection pin sleeve 2 cannot be fitted over the bolt 101 of the workpiece 100 to be tested. After the bolt position detection is completed, the person or robot releases the bolt detection pin sleeve 2. Under the action of the first spring 3, the bolt detection pin sleeve 2 will automatically move upward and reset.

[0020] like Figure 6 As shown, when the position detection combination pin of this utility model is detecting the bottom hole 102 of the workpiece 100, a person or a machine pushes the bottom hole detection pin 4 downward. If the position of the bottom hole 102 is qualified, the lower end of the bottom hole detection pin 4 can be inserted into the bottom hole 102 of the workpiece 100 to be tested; if the position of the bottom hole 102 is not good, the lower end of the bottom hole detection pin 4 cannot be inserted into the bottom hole 102 of the workpiece 100 to be tested; after the bottom hole position detection is completed, a person or a machine releases the bottom hole detection pin 4, and under the action of the second spring 5, the bottom hole detection pin 4 will automatically move upward and reset.

[0021] like Figures 1-6 As shown, a first spring sleeve 6 is installed on the upper end of the bolt detection pin sleeve 2, and the upper end of the first spring 3 abuts against the lower end of the first spring sleeve 6; a second spring sleeve 7 is installed on the upper end of the bottom hole detection pin 4, and the upper end of the second spring 5 abuts against the lower end of the second spring sleeve 7. By providing the first spring sleeve 6, this invention serves two purposes: firstly, it abuts against the upper end of the first spring 3; secondly, it prevents the upper end of the bolt detection pin sleeve 2 from loosening downwards from the positioning sleeve 1; and thirdly, it facilitates a human hand or robotic arm to grasp the first spring sleeve 6 and push the bolt detection pin sleeve 2 downwards. Similarly, by providing the second spring sleeve 7, this invention serves two purposes: firstly, it abuts against the upper end of the second spring 5; secondly, it prevents the upper end of the bottom hole detection pin 4 from loosening downwards from the bolt detection pin sleeve 2; and thirdly, it facilitates a human hand or robotic arm to grasp the second spring sleeve 7 and push the bottom hole detection pin 4 downwards.

[0022] like Figures 1-4As shown, the upper end of the bolt detection pin sleeve 2 is provided with positioning grooves 23 on both sides, and the first spring sleeve 6 is provided with positioning screw holes 61 on both sides. The two positioning screw holes 61 are provided with positioning screws (not shown in the figure). The inner end of the positioning screw is engaged with the positioning groove 23. This structure allows the bolt detection pin sleeve 2 and the first spring sleeve 6 to be detachably installed together. In addition, the upper end of the bottom hole detection pin 4 is also detachably connected to the second spring sleeve 7.

[0023] like Figures 1-4 As shown, the lower outer periphery of the bolt detection pin sleeve 2 is provided with a protruding ring 24 to prevent the bolt detection pin sleeve 2 from loosening upward from the positioning sleeve 1.

[0024] like Figures 1-6 As shown, the inner diameter of the detection hole 22 is larger than the inner diameter of the pin hole 21. The bottom hole detection pin 4 includes a detection pin body 41 and a detection head 42. The detection head 42 is integrally connected to the lower end of the detection pin body 41. The detection head 42 is movably disposed within the detection hole 22, and the length of the detection head 42 is less than the length of the detection hole 22. When detecting the bolt position of the workpiece in the detection hole 22, the detection head 42 can move to the upper end of the detection hole 22. Preferably, the diameter of the detection head 42 is larger than the diameter of the detection pin body 41 and larger than the diameter of the pin hole 21. The ratio of the length of the detection head 42 to the length of the detection hole 22 is 1:2 to 1:4.

[0025] The above description is merely a preferred embodiment of this utility model. Any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical solution of this utility model shall fall within the scope of the technical solution of this utility model.

Claims

1. A combination pin for detecting the position of a bolt and a bottom hole, characterized in that: The device includes a positioning sleeve, a bolt detection pin sleeve, a first spring, a bottom hole detection pin, and a second spring. The bolt detection pin sleeve passes through the positioning sleeve and can rise or fall within it. The bolt detection pin sleeve has a pin hole and a detection hole inside, with the detection hole located at the lower end of the pin hole. The detection hole is used to detect the bolt position of the workpiece. The first spring is fitted onto the upper end of the bolt detection pin sleeve, and its lower end abuts against the upper end of the positioning sleeve. The bottom hole detection pin passes through the pin hole and the detection hole and can rise or fall within them. The lower end of the bottom hole detection pin extends downwards from the detection hole, and its lower end is used to detect the bottom hole position of the workpiece. The second spring is fitted onto the upper end of the bottom hole detection pin, and its lower end abuts against the bolt detection pin sleeve.

2. The bolt and bottom hole position detection combination pin according to claim 1, characterized in that: A first spring sleeve is installed on the upper end of the bolt detection pin sleeve, and the upper end of the first spring abuts against the lower end of the first spring sleeve; a second spring sleeve is installed on the upper end of the bottom hole detection pin, and the upper end of the second spring abuts against the lower end of the second spring sleeve.

3. The bolt and bottom hole position detection combination pin according to claim 2, characterized in that: The upper end of the bolt detection pin sleeve is provided with positioning grooves on both sides, and the first spring sleeve is provided with positioning screw holes on both sides. The two positioning screw holes are provided with positioning screws, and the inner end of the positioning screws is engaged with the positioning grooves.

4. The bolt and bottom hole position detection combination pin according to claim 2, characterized in that: The lower outer periphery of the bolt detection pin sleeve is provided with a protruding ring to prevent the bolt detection pin sleeve from loosening upward from the positioning sleeve.

5. The bolt and bottom hole position detection combination pin according to claim 1, characterized in that: The inner diameter of the detection hole is larger than the inner diameter of the pin hole. The bottom hole detection pin includes a detection pin body and a detection head. The detection head is integrally connected to the lower end of the detection pin body. The detection head is movably disposed inside the detection hole. The length of the detection head is less than the length of the detection hole. When the detection hole detects the bolt position of the workpiece, the detection head can move to the upper end of the detection hole.

6. The bolt and bottom hole position detection combination pin according to claim 5, characterized in that: The diameter of the detection head is larger than the diameter of the detection pin body and larger than the diameter of the pin hole. The ratio of the length of the detection head to the length of the detection hole is 1:2 to 1:4.

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