CN211042611U

CN211042611U - Injection molding gas tightness detection device

Info

Publication number: CN211042611U
Application number: CN201922300284.7U
Authority: CN
Inventors: 常金旺; 杜晟; 荆丰林; 孙辉; 张振; 柳晓龙
Original assignee: Yingming Auto Parts Jiangsu Co ltd
Current assignee: Yingming Auto Parts Jiangsu Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-07-17
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to an injection molding air tightness detection device, which comprises a frame, a vacuum pump, a vacuum chamber and a conduction detection mechanism; the vacuum pump, the vacuum chamber and the conduction detection mechanism are all positioned on the upper end face of the rack, the vacuum pump is connected with the vacuum chamber through an air pipe, and the conduction detection mechanism is positioned on the side face of the vacuum chamber; the vacuum chamber comprises a chamber body, a chamber door and an inner placing box, wherein the chamber body, the chamber door and the inner placing box are all made of transparent materials, and the inner placing box is of a top-opening structure and is positioned inside the chamber body; the conduction detection mechanism comprises a fixing frame, a lifting cylinder, a paint pen and a socket, the paint pen is located on the lifting frame, and the bottom end of the paint pen corresponds to the position of the socket. The utility model discloses can carry out the gas tightness to the plastic shell of sensor and detect, overall structure is succinct, the cost is lower to possess and beat the mark ability.

Description

Injection molding gas tightness detection device

Technical Field

The utility model relates to a sensor detection area, concretely relates to injection molding gas tightness detection device.

Background

The shell of the sensor is mostly a plastic shell, so that in the production and processing process of the sensor, a chip of the sensor needs to be placed into a mold for embedded injection molding, and the shell of the sensor is formed.

After the injection molding is completed, in order to ensure the qualification rate of sensor products delivered from a factory, the air tightness detection is required. However, most of the existing air tightness detection devices have complex structures, high cost and complex actual use and operation processes, and can not mark qualified sensor products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides an injection molding gas tightness detection device can carry out the gas tightness to the plastic shell of sensor and detect, and overall structure is succinct, the cost is lower to possess and beat the mark ability.

In order to achieve the above object, the present invention provides the following technical solutions:

an injection molding air tightness detection device comprises a rack, a vacuum pump, a vacuum chamber and a conduction detection mechanism; the vacuum pump, the vacuum chamber and the conduction detection mechanism are all positioned on the upper end face of the rack, the vacuum pump is connected with the vacuum chamber through an air pipe, and the conduction detection mechanism is positioned on the side face of the vacuum chamber; the vacuum chamber comprises a chamber body, a chamber door and an inner placing box, wherein the chamber body, the chamber door and the inner placing box are all made of transparent materials, the inner placing box is of a top-opening structure and is positioned in the chamber body, and a sensor joint is arranged on the side wall of the chamber body; the conduction detection mechanism comprises a fixing frame, a lifting cylinder, a paint pen and a socket, the paint pen is located on the lifting frame, and the bottom end of the paint pen corresponds to the position of the socket.

Furthermore, a cabin door of the vacuum cabin is hinged with the front side face of the cabin body, an air pipe connector is arranged on the side face of the cabin body, and an air pipe of the vacuum pump is specifically connected with the air pipe connector.

Further, the inner placing box is of an integrated structure with a vertical groove in the middle, and the size of the inner placing box is smaller than that of the inner space of the cabin.

Further, the fixing frame of the conduction detection mechanism is located on the upper end face of the rack, the lifting cylinder is vertically arranged, the cylinder body is connected with the fixing frame, and the bottom end of the piston rod of the lifting cylinder is connected with the lifting frame.

Further, the paint pen is vertically arranged on the lifting frame; the socket is located the lateral wall of mount, be provided with the slot on the socket, the bottom of paint pen is corresponding with the upper and lower position of slot.

The utility model has the advantages that: the utility model provides an injection molding gas tightness detection device, uses through frame, vacuum pump, vacuum chamber and the cooperation that switches on detection mechanism, can carry out the gas tightness to the plastic shell of sensor and detect, compares in current gas tightness detection device, and overall structure is succinct, and the cost is lower, and operation flow is convenient to possess and carry out the ability of beating to detecting qualified sensor.

Drawings

Fig. 1 is the utility model relates to an injection molding gas tightness detection device's overall structure schematic diagram.

Fig. 2 is the utility model relates to an injection molding gas tightness detection device's vacuum chamber internal structure schematic diagram.

Fig. 3 is the utility model relates to an injection molding gas tightness detection device switches on detection mechanism schematic diagram.

In the figure: 1. a frame; 2. a vacuum pump; 3. a vacuum chamber; 31. a cabin body; 32. a cabin door; 33. an inner placing box; 34. a gas pipe joint; 35. a sensor connector; 4. a conduction detection mechanism; 41. a fixed mount; 42. a lifting cylinder; 43. a lifting frame; 44. a paint pen; 46. a socket; 47. and (4) a slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 3, the injection molding part airtightness detection device comprises a rack 1, a vacuum pump 2, a vacuum chamber 3 and a conduction detection mechanism 4; the vacuum pump 2, the vacuum chamber 3 and the conduction detection mechanism 4 are all positioned on the upper end face of the rack 1, the vacuum pump 2 is connected with the vacuum chamber 3 through an air pipe, and the conduction detection mechanism 4 is positioned on the side face of the vacuum chamber 3; the vacuum chamber 3 comprises a chamber body 31, a chamber door 32 and an inner placing box 33, wherein the chamber body 31, the chamber door 32 and the inner placing box 33 are all made of transparent materials, the inner placing box 33 is of a top-open structure and is positioned inside the chamber body 31, and the side wall of the chamber body 31 is provided with a sensor joint 35; the conduction detection mechanism 4 comprises a fixing frame 41, a lifting cylinder 42, a paint pen 44 and a socket 46, the paint pen 44 is located on a lifting frame 43, the bottom end of the paint pen 44 corresponds to the socket 46, and the paint pen 44 is used for marking qualified sensor products.

The cabin door 32 of the vacuum cabin 3 is hinged to the front side face of the cabin body 31, the side face of the cabin body 31 is provided with an air pipe connector 34, an air pipe of the vacuum pump 2 is specifically connected with the air pipe connector 34, and the vacuum pump 2 is used for vacuumizing the cabin body 31, so that air tightness detection is performed.

The internal placement box 33 is of an integrated structure with a vertical groove in the middle, the groove is used for containing clear water and placing a sensor product to be detected, and the size of the internal placement box 33 is smaller than that of the internal space of the cabin 31.

The fixing frame 41 of the conduction detection mechanism 4 is located on the upper end face of the rack 1, the lifting air cylinder 42 is vertically arranged and the cylinder body is connected with the fixing frame 41, the bottom end of the piston rod of the lifting air cylinder 42 is connected with the lifting frame 43, and the lifting air cylinder 42 is used for driving the lifting frame 43 to move up and down.

The paint pen 44 is vertically arranged on the lifting frame 43; the socket 46 is located on the side wall of the fixing frame 41, a slot 47 is arranged on the socket 46, the bottom end of the painting pen 44 corresponds to the up-down position of the slot 47, and the slot 47 is matched with a plug at the end of a sensor product.

The utility model discloses a theory of operation does: firstly, a certain amount of water is injected into an inner placing box 33 in a vacuum chamber 3, then one end of a sensor product which is to be subjected to air tightness detection and is subjected to injection molding is placed into the water of the inner placing box 33, the other end of the sensor product is connected with a sensor connector 35, a chamber door 32 is closed, a vacuum pump 2 starts to work for air suction, air in a chamber body 31 is pumped out by the vacuum pump 2 through an air pipe connector 34 and an air pipe, and at the moment, whether bubbles emerge in the water can be observed through the transparent chamber door 31, the chamber body 31 and the inner placing box 33; since the sensor connector 35 is communicated with the outside, if air bubbles appear in the inner placing box 33, the air enters the interior of the cabin 31 through the sensor connector 35 and the sensor product, and the air tightness of the sensor product is not qualified.

When the bubble does not appear, then explain that preliminary detection is qualified, the internal gas pressure of the cabin body 31 resumes this moment, open the hatch door 32, take out the sensor product, then insert slot 47 on the socket 46 with the end department of sensor product in, the stitch in the slot 47 contacts with the stitch on the sensor product, realize the power supply to can judge whether appear switching on the phenomenon between a plurality of stitches of sensor product, if there is switching on the phenomenon, then explain that there is water to lead to circuit or stitch short circuit in getting into the plastic shell of sensor product.

If the conduction detection result is insulation, the lifting cylinder 42 drives the lifting frame 43 to move downwards, and the paint pen 44 can mark on the sensor product to indicate that the detection is qualified.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The utility model provides an injection molding gas tightness detection device which characterized in that: comprises a frame (1), a vacuum pump (2), a vacuum chamber (3) and a conduction detection mechanism (4); the vacuum pump (2), the vacuum chamber (3) and the conduction detection mechanism (4) are all located on the upper end face of the rack (1), the vacuum pump (2) is connected with the vacuum chamber (3) through an air pipe, and the conduction detection mechanism (4) is located on the side face of the vacuum chamber (3); the vacuum chamber (3) comprises a chamber body (31), a chamber door (32) and an inner placing box (33), wherein the chamber body (31), the chamber door (32) and the inner placing box (33) are all made of transparent materials, the inner placing box (33) is of a top-opening structure and is positioned inside the chamber body (31), and a sensor joint (35) is arranged on the side wall of the chamber body (31); the conduction detection mechanism (4) comprises a fixed frame (41), a lifting cylinder (42), a paint pen (44) and a socket (46), the paint pen (44) is located on a lifting frame (43), and the bottom end of the paint pen (44) corresponds to the position of the socket (46).

2. The injection molding part airtightness detection device according to claim 1, wherein: the vacuum cabin is characterized in that a cabin door (32) of the vacuum cabin (3) is hinged with the front side face of the cabin body (31), an air pipe joint (34) is arranged on the side face of the cabin body (31), and an air pipe of the vacuum pump (2) is specifically connected with the air pipe joint (34).

3. The injection molding part airtightness detection device according to claim 2, wherein: the internal placement box (33) is of an integrated structure with a vertical groove in the middle, and the size of the internal placement box (33) is smaller than that of the internal space of the cabin body (31).

4. The injection molding part airtightness detection device according to claim 3, wherein: the fixing frame (41) of the conduction detection mechanism (4) is located on the upper end face of the rack (1), the lifting air cylinder (42) is vertically arranged, the cylinder body is connected with the fixing frame (41), and the bottom end of the piston rod of the lifting air cylinder (42) is connected with the lifting frame (43).

5. The injection molding part airtightness detection device according to claim 4, wherein: the paint pen (44) is vertically arranged on the lifting frame (43); the socket (46) is located on the side wall of the fixing frame (41), a slot (47) is formed in the socket (46), and the bottom end of the paint pen (44) corresponds to the upper position and the lower position of the slot (47).