Ball pin neck mistake proofing mechanism

Abstract

The utility model discloses a ball pin neck mistake proofing mechanism which comprises a detection tool, a pneumatic sliding table, an air cylinder, a sensor and a controller. The detection tool is in fastening connection with the pneumatic sliding table, and the cylinder is in driving connection with the pneumatic sliding table; the air cylinder can drive the pneumatic sliding table and the detection tool to do linear reciprocating displacement. The detection tool is provided with a U-shaped stepped open slot matched with the neck of the ball pin; the bottom width of the U-shaped stepped open slot is smaller than the end width; the bottom of the U-shaped stepped open slot is matched with the thin neck of the first ball pin in size; the end part is matched with the thick neck size of the second ball pin; according to the utility model, two parts can be accurately and reliably distinguished, and the phenomenon of material mixing is prevented, so that the quality risk is avoided. A detection tool does not need to be replaced; the working rhythm of the equipment is not influenced, and the action can be performed synchronously with the thread existence detection action.

Description

Technical Field

[0001] The utility model belongs to the technical field of error prevention detection, and relates to a ball pin neck error prevention mechanism, which is particularly suitable for efficient automatic production error prevention. Background Art

[0002] Similar parts with roughly the same structure can use common clamps and common inspection tools in production and manufacturing, which can reduce costs and improve efficiency. However, the differences between similar parts cannot be accurately identified, resulting in parts of different models being mistakenly installed on the product, posing the risk of quality accidents such as mixing and misinstallation.

[0003] There are a large number of similar ball pins; similar ball pins have different lengths, or differences in the presence or absence of threads, or differences in the shape and size of the ball pin neck. Currently, there are ball pin length and thread detection for ball pin error prevention, but there is a lack of ball pin neck error prevention. Efficient automated production requires a fast and accurate ball pin neck error prevention mechanism. Summary of the invention

[0004] The utility model discloses a ball pin neck anti-mistake mechanism to solve the problem that the prior art lacks anti-mistake mechanism for the ball pin neck.

[0005] The utility model includes a detection tooling, a pneumatic slide, a cylinder, a sensor, and a controller; the detection tooling is tightly connected to the pneumatic slide, and the cylinder is drivingly connected to the pneumatic slide; the cylinder can drive the pneumatic slide and the detection tooling to move back and forth in a straight line; the detection tooling is provided with a U-shaped stepped opening groove matching the neck of a ball pin; the bottom width of the U-shaped stepped opening groove is smaller than the end width; the bottom of the U-shaped stepped opening groove matches the thin neck size of the first ball pin; the end matches the thick neck size of the second ball pin; when the bottom of the U-shaped stepped opening groove of the detection tooling contacts the thin neck of the first ball pin, the stroke of the detection tooling driven by the cylinder slide is long; when the end of the U-shaped stepped opening groove contacts the thick neck of the second ball pin, the stroke of the detection tooling driven by the cylinder slide is short; the sensor is installed on the corresponding side relative to the pneumatic slide, and the sensor is electrically connected to the controller; the sensor senses the stroke position of the cylinder slide, and transmits the sensed displacement signal of the pneumatic slide to the controller; the controller distinguishes the models according to the displacement difference of the pneumatic slide, and performs conveying or removal control error prevention.

[0006] The travel distance of the pneumatic slide table 2 of the utility model is 10mm-150mm; the sensor 3 is normally open for output, and the sensing distance is 2mm.

[0007] The positive effects of the utility model are: it can accurately and reliably distinguish two parts, prevent the phenomenon of mixing materials, and cause quality risks. It does not need to replace the detection tooling; it does not affect the working rhythm of the equipment, and can be synchronized with the action of detecting the existence of the thread. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a schematic diagram of the neck structure of the first type of workpiece ball pin;

[0009] Figure 2 This is a schematic diagram of the neck structure of the second workpiece ball pin;

[0010] Figure 3 It is a schematic diagram of the structure of the utility model;

[0011] Figure 4 This is a schematic diagram of the detection tooling structure of the utility model.

[0012] In the figure:

[0013] 1 detection tooling, 1a bottom opening slot, 1b end opening slot, 2 pneumatic slide, 3 sensor. DETAILED DESCRIPTION

[0014] An embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

[0015] There are two types of ball pins in production. The structures of the two ball pins are roughly the same, with the same length and thread. Only the shape and size of the ball pin neck are inconsistent.

[0016] like Figure 1 As shown, the minimum size of the front rod ball pin neck of the first model is 9.5mm.

[0017] like Figure 2 As shown, the minimum size of the front rod ball pin neck of the second model is 10mm.

[0018] The utility model is implemented as follows Figure 3 As shown, it includes a detection tool 1, a pneumatic slide 2, a cylinder, a sensor 3, and a controller; the detection tool 1 is firmly connected to the pneumatic slide 2, and the cylinder is drivingly connected to the pneumatic slide 2; the cylinder can drive the pneumatic slide 2 and the detection tool 1 to move back and forth in a straight line.

[0019] like Figure 3 , Figure 4 As shown, the detection tool 1 has a U-shaped stepped opening groove that matches the neck of the ball pin; the width of the bottom 1a of the U-shaped stepped opening groove is smaller than the width of the end 1b.

[0020] like Figure 1 , Figure 4 As shown, the bottom 1a of the U-shaped stepped opening groove matches the thin neck ball pin.

[0021] like Figure 2 , Figure 4 As shown, the U-shaped stepped opening groove end 1b matches the thick neck ball pin.

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, when the bottom 1a of the U-shaped stepped opening groove of the detection tooling 1 contacts the neck of the thin-necked ball pin, the cylinder slide 2 drives the detection tooling 1 to have a long stroke; when the end 1b of the U-shaped stepped opening groove contacts the neck of the thick-necked ball pin, the cylinder slide 2 drives the detection tooling 1 to have a short stroke.

[0023] like Figure 3 As shown, the sensor 3 is installed on the corresponding side relative to the pneumatic slide 2, the sensor 3 is normally open output, and the sensing distance is 2mm; the sensor 3 is electrically connected to the controller; the stroke distance of the pneumatic slide 2 is 10mm---150mm; the sensor 3 senses the stroke position of the cylinder slide 2, and transmits the sensed displacement signal of the pneumatic slide 2 to the controller; the controller distinguishes the model according to the displacement difference of the pneumatic slide 2, and performs error prevention for conveying or removal control.

Claims

1. A ball pin neck error prevention mechanism, characterized in that: It includes a detection tooling, a pneumatic slide, a cylinder, a sensor, and a controller; the detection tooling is tightly connected to the pneumatic slide, and the cylinder is drivingly connected to the pneumatic slide; the cylinder can drive the pneumatic slide and the detection tooling to move back and forth in a straight line; the detection tooling is provided with a U-shaped stepped opening groove matching the neck of the ball pin; the bottom width of the U-shaped stepped opening groove is smaller than the end width; the bottom of the U-shaped stepped opening groove matches the thin neck size of the first ball pin; the end matches the thick neck size of the second ball pin; when the bottom of the U-shaped stepped opening groove of the detection tooling contacts the thin neck of the first ball pin, the stroke of the detection tooling driven by the cylinder slide is long; when the end of the U-shaped stepped opening groove contacts the thick neck of the second ball pin, the stroke of the detection tooling driven by the cylinder slide is short; the sensor is installed on the corresponding side relative to the pneumatic slide, and the sensor is electrically connected to the controller; the sensor senses the stroke position of the cylinder slide, and transmits the sensed pneumatic slide displacement signal to the controller.

2. A ball pin neck error prevention mechanism according to claim 1, characterized in that: The travel distance of the pneumatic slide is 10mm---150mm; the sensor is normally open output, and the sensing distance is 2mm.

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