阅读说明：本技术 凸焊螺母电控防漏检测机构 (Automatically controlled leak protection detection mechanism of projection nut ) 是由 江玉保 丁尔胜 于 2020-12-11 设计创作，主要内容包括：本发明提供一种凸焊螺母电控防漏检测机构,通过检测气缸向右推动弹簧顶出销将定位销杆右推；若是定位销杆右端的定位销接触到凸焊螺母,则定位销杆位置不动,弹簧顶出销缩紧,位置传感器始终与位置凸环接触,位置传感器检测到有螺母；若是定位销杆右端的定位销接触不到凸焊螺母,则定位销杆会被向右推动,则位置传感器与位置凸环不接触,检测到位置变化,位置传感器检测到没有螺母；这样采用位置传感器进行电控的检测,效果好效率高,不会发生漏检。(The invention provides an electric control leakage-proof detection mechanism for a projection welding nut, which pushes a spring ejection pin to the right through a detection cylinder to push a positioning pin rod to the right; if the positioning pin at the right end of the positioning pin rod contacts the projection welding nut, the positioning pin rod is fixed, the spring ejection pin contracts, the position sensor always contacts the position convex ring, and the position sensor detects that the nut exists; if the positioning pin at the right end of the positioning pin rod cannot contact the projection welding nut, the positioning pin rod is pushed rightwards, the position sensor is not in contact with the position convex ring, the position change is detected, and the position sensor detects that no nut exists; the position sensor is adopted to carry out electric control detection, the effect is good, the efficiency is high, and missing detection cannot occur.)

1. The utility model provides an automatically controlled leak protection detection mechanism of projection nut, is including setting up cylinder connecting block (1) on welding jig BASS board, its characterized in that: a detection cylinder (2) is arranged on the left side of the cylinder connecting block (1), a guide pin (3) is arranged in the middle of the cylinder connecting block (1), an opening is formed in the position, located at the guide pin (3), of the cylinder connecting block (1), and a piston rod of the detection cylinder (2) extends into the guide pin (3) rightwards; a spring ejection pin (4) is arranged at the left part in the guide pin (3), the left side of the spring ejection pin (4) is connected to a piston rod of the detection cylinder (2), a positioning pin rod (5) is connected to the right side of the spring ejection pin (4), and the right end of the positioning pin rod (5) extends out of the guide pin (3) and the cylinder connecting block (1) rightwards; a positioning block (6) is arranged on the right side of the air cylinder connecting block (1), a positioning hole is formed in the middle of the positioning block (6), the right end of the positioning pin rod (5) extends into the positioning hole, and a positioning pin (7) is arranged at the right end of the positioning pin rod (5); a position sensor (8) is arranged in the cylinder connecting block (1) and above the right part of the positioning pin rod (5), a position convex ring (9) is arranged on the positioning pin rod (5) and at the position of the position sensor (8), and the position sensor (8) is in contact with the position convex ring (9);

the detection cylinder (2) pushes the spring ejection pin (4) to the right to push the positioning pin rod (5) to the right;

if the positioning pin (7) at the right end of the positioning pin rod (5) contacts the projection welding nut, the positioning pin rod (5) is not moved, the spring ejection pin (4) is contracted, the position sensor (8) is always contacted with the position convex ring (9), and the position sensor (8) detects the nut;

if the positioning pin (7) at the right end of the positioning pin rod (5) cannot contact the projection welding nut, the positioning pin rod (5) is pushed rightwards, the position sensor (8) is not in contact with the position convex ring (9), the position change is detected, and the position sensor (8) detects that no nut exists.

2. An electrically controlled leak-proof detection mechanism for projection welding nuts according to claim 1, characterized in that: the locating pin rod (5) is located inside the guide pin (3) and is provided with an upper limiting pin and a lower limiting pin (10), the guide pin (3) is located in the limiting pin (10) and is provided with a transverse limiting groove (11), the limiting pin (10) is located in the limiting groove (11) to move, and the guide pin (3) is prevented from being pushed out completely.

3. An electrically controlled leak-proof detection mechanism for projection welding nuts according to claim 1, characterized in that: and a positioning sleeve (12) is wrapped outside the right end of the positioning pin rod (5).

4. An electrically controlled leak-proof detection mechanism for projection welding nuts according to claim 1, characterized in that: and a handle (13) is arranged on the left side of the detection cylinder (2).

Technical Field

The invention relates to the field of projection welding nut detection, in particular to an electric control leakage-proof detection mechanism for a projection welding nut.

Background

Welding process often need be used in automobile parts's the production process, and welding process just welds the projection nut including needs, but some products often can leak welding the projection nut, consequently just need carry out leak protection detection to the projection nut, and the manual work that adopts at present detects, and inefficiency is unprepared, and often the manual work also can leak the detection, consequently needs the automatically controlled mechanism that detects of a sensor. Therefore, it is necessary to solve this problem.

Disclosure of Invention

In order to solve the problems, the invention provides an electric control leakage-proof detection mechanism for a projection welding nut, which pushes a spring ejection pin to push a positioning pin rod to the right by a detection cylinder; if the positioning pin at the right end of the positioning pin rod contacts the projection welding nut, the positioning pin rod is fixed, the spring ejection pin contracts, the position sensor always contacts the position convex ring, and the position sensor detects that the nut exists; if the positioning pin at the right end of the positioning pin rod cannot contact the projection welding nut, the positioning pin rod is pushed rightwards, the position sensor is not in contact with the position convex ring, the position change is detected, and the position sensor detects that no nut exists; the position sensor is adopted to carry out electric control detection, the effect is good, the efficiency is high, the omission phenomenon is avoided, and the problems in the background technology are solved.

The invention aims to provide an electric control leakage-proof detection mechanism for a projection welding nut, which comprises an air cylinder connecting block arranged on a BASS plate of a welding fixture, wherein a detection air cylinder is arranged on the left side of the air cylinder connecting block, a guide pin is arranged in the middle of the air cylinder connecting block, an opening is formed in the air cylinder connecting block at the guide pin, and a piston rod of the detection air cylinder extends into the guide pin rightwards; a spring ejection pin is arranged at the left part in the guide pin, the left side of the spring ejection pin is connected to a piston rod of the detection cylinder, the right side of the spring ejection pin is connected with a positioning pin rod, and the right end of the positioning pin rod extends out of the guide pin and a cylinder connecting block rightwards; a positioning block is arranged on the right side of the cylinder connecting block, a positioning hole is formed in the middle of the positioning block, the right end of the positioning pin rod extends into the positioning hole, and a positioning pin is arranged at the right end of the positioning pin rod; a position sensor is arranged in the cylinder connecting block and above the right part of the positioning pin rod, a position convex ring is arranged on the positioning pin rod and positioned at the position of the position sensor, and the position sensor is contacted with the position convex ring;

the detection cylinder pushes the spring ejection pin rightwards to push the positioning pin rod rightwards;

if the positioning pin at the right end of the positioning pin rod contacts the projection welding nut, the positioning pin rod is fixed, the spring ejection pin contracts, the position sensor always contacts the position convex ring, and the position sensor detects that the nut exists;

if the positioning pin at the right end of the positioning pin rod cannot contact the projection welding nut, the positioning pin rod can be pushed rightwards, the position sensor is not in contact with the position convex ring, the position change is detected, and the position sensor detects that no nut exists.

The further improvement lies in that: the locating pin rod is located inside the guide pin and is provided with an upper limiting pin and a lower limiting pin, the guide pin is located at the limiting pin and is provided with a transverse limiting groove, the limiting pin is located in the limiting groove and moves, and the guide pin is prevented from being pushed out completely.

The further improvement lies in that: and a positioning sleeve is wrapped at the right end of the positioning pin rod.

The further improvement lies in that: and a handle is arranged on the left side of the detection cylinder.

The invention has the beneficial effects that: according to the invention, the spring ejection pin is pushed rightwards by the detection cylinder to push the positioning pin rod rightwards; if the positioning pin at the right end of the positioning pin rod contacts the projection welding nut, the positioning pin rod is fixed, the spring ejection pin contracts, the position sensor always contacts the position convex ring, and the position sensor detects that the nut exists; if the positioning pin at the right end of the positioning pin rod cannot contact the projection welding nut, the positioning pin rod is pushed rightwards, the position sensor is not in contact with the position convex ring, the position change is detected, and the position sensor detects that no nut exists; (ii) a The guide pin is limited to prevent the guide pin from being pushed out of the guide pin; adopt position sensor to carry out automatically controlled detection like this, effectual efficient can not take place to miss and examine, does not need artifical discernment, just can effectively realize the mistake proofing function through equipment, can effectual assurance production arrangement.

Drawings

Fig. 1 is an exploded schematic view of the present invention.

Fig. 2 is a perspective view of the present invention.

FIG. 3 is a schematic view of the present invention with the cylinder connecting block and locating block removed.

Wherein: 1-cylinder connecting block, 2-detection cylinder, 3-guide pin, 4-spring ejection pin, 5-positioning pin rod, 6-positioning block, 7-positioning pin, 8-position sensor, 9-position convex ring, 10-limiting pin, 11-limiting groove, 12-positioning sleeve and 13-handle.

Detailed Description

For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.

As shown in fig. 1-3, the embodiment provides an electronic control leakage-proof detection mechanism for projection welding nuts, which includes a cylinder connecting block 1 disposed on a BASS plate of a welding fixture, a detection cylinder 2 is disposed on the left side of the cylinder connecting block 1, a guide pin 3 is disposed in the middle of the cylinder connecting block 1, an opening is disposed at the guide pin 3 in the cylinder connecting block 1, and a piston rod of the detection cylinder 2 extends into the guide pin 3 rightward; a spring ejection pin 4 is arranged at the left part in the guide pin 3, the left side of the spring ejection pin 4 is connected to a piston rod of the detection cylinder 2, a positioning pin rod 5 is connected to the right side of the spring ejection pin 4, and the right end of the positioning pin rod 5 extends out of the guide pin 3 and the cylinder connecting block 1 rightwards; a positioning block 6 is arranged on the right side of the cylinder connecting block 1, a positioning hole is formed in the middle of the positioning block 6, the right end of the positioning pin rod 5 extends into the positioning hole, and a positioning pin 7 is arranged at the right end of the positioning pin rod 5; a position sensor 8 is arranged in the cylinder connecting block 1 above the right part of the positioning pin rod 5, a position convex ring 9 is arranged on the positioning pin rod 5 at the position of the position sensor 8, and the position sensor 8 is in contact with the position convex ring 9;

the detection cylinder 2 pushes the spring ejection pin 4 to the right to push the positioning pin rod 5 to the right;

if the positioning pin 7 at the right end of the positioning pin rod 5 contacts the projection welding nut, the positioning pin rod 5 is not moved, the spring ejection pin 4 is contracted, the position sensor 8 is always contacted with the position convex ring 9, and the position sensor 8 detects that the nut exists;

if the positioning pin 7 at the right end of the positioning pin rod 5 is not in contact with the projection welding nut, the positioning pin rod 5 is pushed rightwards, the position sensor 8 is not in contact with the position convex ring 9, the position change is detected, and the position sensor 8 detects that no nut exists. The locating pin rod 5 is located inside the guide pin 3 and is provided with an upper limiting pin and a lower limiting pin 10, the guide pin 3 is located at the limiting pin 10 and is provided with a transverse limiting groove 11, the limiting pin 10 is located in the limiting groove 11 and moves, and the guide pin 3 is prevented from being pushed out completely. And a positioning sleeve 12 is wrapped at the right end of the positioning pin rod 5. A handle 13 is arranged on the left side of the detection cylinder 2.

The spring ejection pin 4 is pushed rightwards by the detection cylinder 2 to push the positioning pin rod 5 rightwards; if the positioning pin 7 at the right end of the positioning pin rod 5 contacts the projection welding nut, the positioning pin rod 5 is not moved, the spring ejection pin 4 is contracted, the position sensor 8 is always contacted with the position convex ring 9, and the position sensor 8 detects that the nut exists; if the positioning pin 7 at the right end of the positioning pin rod 5 cannot contact the projection welding nut, the positioning pin rod 5 is pushed rightwards, the position sensor 8 is not in contact with the position convex ring 9, the position change is detected, and the position sensor 8 detects that no nut exists; (ii) a The guide pin 3 is limited by the limiting pin 10 and the limiting groove 11, so that the guide pin 3 is prevented from being pushed out of the guide pin; adopt position sensor 8 to carry out automatically controlled detection like this, effectual efficient can not take place to miss and examine, does not need artifical discernment, just can effectively realize the mistake proofing function through equipment, can effectual assurance production arrangement.