CN216559515U

CN216559515U - Servo pressfitting formula gas tightness test equipment

Info

Publication number: CN216559515U
Application number: CN202122471189.0U
Authority: CN
Inventors: 杨聪良
Original assignee: Dongguan Weisite Intelligent Technology Co ltd
Current assignee: Dongguan Weisite Intelligent Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-05-17
Anticipated expiration: 2031-10-13

Abstract

The utility model relates to servo press-fit type air tightness testing equipment which comprises a machine table and a machine head, wherein the machine table is provided with a lower die for placing a workpiece to be tested, the periphery of the lower die is at least provided with a plug for plugging a hole of the workpiece to be tested, the machine head is arranged above the lower die through a lifting mechanism, the machine head is arranged on a lifting seat of the lifting mechanism, and a spring is arranged between the lifting seat and the machine head. The tool is reasonable in structure, novel in design and high in practicability, lateral hole positions of a product are sealed through the plugs, the lifting mechanism drives the upper die, the lower die and the product to be in contact sealing, the air source is communicated with an air passage of the tool body through the air pipe, and air is exhausted or inflated to a test product between the upper die and the lower die to test the air tightness of the product; the spring absorbs the downward pressing force of the lifting mechanism to perform the function of pre-pressing.

Description

Servo pressfitting formula gas tightness test equipment

Technical Field

The utility model relates to the technical field of mobile phone air tightness testing, in particular to servo press-fit type air tightness testing equipment.

Background

The waterproof and dustproof performance of electronic equipment is an important index, and particularly, the mobile phone which helps people to live more conveniently stores and records important data, and the mobile phone can ensure the safety of the data only by having stronger waterproof and dustproof performance, so that the air tightness test of the mobile phone is very important in the production process of the mobile phone.

The utility model discloses a servo pressfitting formula gas tightness test equipment of chinese utility model that current application number is CN201821857798.1 discloses, an air tightness for testing the product, which comprises a frame, a linear actuator, the mould on the tool, the tool lower mould, a plurality of side inflation group and evacuation ware, a linear actuator is fixed in the frame along vertical direction, the mould is located a linear actuator below on the tool, mould connection in a linear actuator's output on the tool, the tool lower mould is fixed in the frame and is located mould below on the tool, the test product is located mould and tool lower mould on the tool, the side group of inflating is located the tool lower mould, the gas pocket that the side was inflated on the group is just to the test department of test product, the evacuation ware is connected in the gas pocket. The air tightness testing machine can accurately measure the air tightness of a tested product and has a large measuring range.

The jig upper die of the air tightness testing machine is driven to lift through the first linear driver, when in testing, the jig upper die can only seal the space between the jig upper die and the jig lower die through the first linear driver, no buffer exists, and the test product is easy to collide and damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides servo pressing type air tightness testing equipment for testing a mobile phone.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: servo pressfitting formula gas tightness test equipment, including board, aircraft nose, the board is provided with the lower mould of placing the work piece that awaits measuring, the lower mould be provided with one around at least and plug up the end cap in work piece hole that awaits measuring, the aircraft nose sets up the top at the lower mould through a elevating system, the aircraft nose sets up on elevating system's lift seat, be provided with the spring between lift seat and the aircraft nose.

In the above technical scheme, be provided with slide rail, mount pad on the lift seat, the aircraft nose includes sliding seat and last mould, go up the mould setting at the lower extreme of sliding seat, the sliding seat is provided with the slide with slide rail sliding connection, be provided with the guide arm with mount pad sliding connection on the mount pad, the both ends of spring are supported respectively and are leaned on mount pad and sliding seat.

In the technical scheme, a cylindrical pin is arranged between the sliding seat and the mounting seat, the upper end of the cylindrical pin is fixed with the mounting seat, the lower end of the cylindrical pin is connected with the sliding seat in a sliding mode, and the spring is sleeved on the cylindrical pin.

In the technical scheme, a groove is formed in the position of the central line of the sliding seat in a downward concave mode, connecting portions are arranged on two sides of the groove, the cylindrical pin is inserted into the bottom of the groove, the guide rod is fixed to the upper end of the connecting portion, and the sliding seat is installed at the rear end of the connecting portion.

In the above technical scheme, the sliding seat lower extreme extends perpendicularly has the installation department, be provided with a reinforcement between recess and the installation department, go up the mould parallel fixation at the lower extreme of installation department.

In the technical scheme, the machine table is provided with a vertical plate, the lifting mechanism is arranged at the front end of the vertical plate, and the lifting mechanism comprises a screw rod nut transmission mechanism driven by a servo motor.

In the technical scheme, the upper end of the vertical plate is provided with the support plate, and the support plate is provided with the air source.

In the technical scheme, the lower die comprises a jig body, connecting pieces and connecting plates, the connecting plates are arranged in mounting grooves of the jig body, the four connecting pieces are detachably arranged at the four corners of the jig body, workpieces to be tested are placed between the connecting plates and the four connecting pieces, the jig body is provided with fixing blocks on the outer sides of the connecting pieces, and the fixing blocks are provided with screws fixed with a machine table.

In the technical scheme, the center of the jig body is provided with the air supply head, an air path is arranged on the outer wall of the jig body towards the air supply head, the air supply head is exposed out of the connecting plate, and the sealing ring is arranged between the air supply head and the connecting plate.

In the technical scheme, the plugs are movably arranged around the jig body through the driving air cylinder, and the plugs are charging hole plugs, loudspeaker hole plugs and side key hole plugs.

The tool has the advantages that the tool is reasonable in structure, novel in design and high in practicability, lateral hole positions of a product are sealed through the plugs, the lifting mechanism drives the upper die, the lower die and the product to be in contact sealing, the air source is communicated with an air passage of the tool body through the air pipe, air is exhausted or inflated to a test product between the upper die and the lower die, and the air tightness of the product is tested; the spring absorbs the downward pressing force of the lifting mechanism to perform the function of pre-pressing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention with the housing removed.

Fig. 3 is a schematic perspective view of the present invention with the housing and frame removed.

Fig. 4 is an exploded view of the lower die of the present invention.

In the figure: 1. a frame; 10. a machine platform; 2. a housing; 21. operating a window; 22. a safety grating; 23. touching an industrial control all-in-one machine; 3. a machine head; 31. an upper die; 32. an installation part; 33. a reinforcement; 34. a groove; 35. a connecting portion; 4. a lower die; 41. a jig body; 411. mounting grooves; 412. a gas supply head; 413. a gas circuit; 42. a liner plate; 43. a connecting plate; 44. a connecting member; 45. a speaker hole plug; 46. a charging hole plug; 47. a volume side key hole plug; 48. a plug for a key hole at the power supply side; 5. a spring; 51. a cylindrical pin; 52. a guide bar; 6. a lifting mechanism; 61. a motor; 62. a feed screw nut transmission mechanism; 63. a lifting seat; 64. a slide rail; 65. a mounting seat; 66. a slide base; 7. a gas source; 81. a vertical plate; 82. and a support plate.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-4, the servo press-fit type air tightness testing device includes a frame 1, a casing 2, a machine table 10, and a machine head 3, wherein the machine table 10 is disposed on the frame 1, the casing 2 is disposed on the frame 1 and covers the machine table 10 and the machine head 3, the machine table 10 is provided with a lower die 4 for placing a workpiece to be tested, at least one plug for plugging a hole of the workpiece to be tested is disposed around the lower die 4, the machine head 3 is disposed above the lower die 4 through a lifting mechanism 6, the machine head 3 is disposed on a lifting seat 63 of the lifting mechanism 6, and a spring 5 is disposed between the lifting seat 63 and the machine head 3.

Be provided with slide rail 64, mount pad 65 on the lift seat 63, aircraft nose 3 includes sliding seat and last mould 31, goes up mould 31 and sets up the lower extreme at the sliding seat, and the sliding seat is provided with slide 66 with slide rail 64 sliding connection, is provided with guide arm 52 with mount pad 65 sliding connection on the mount pad 65, and the both ends of spring 5 support respectively and lean on mount pad 65 and sliding seat.

A cylindrical pin 51 is arranged between the sliding seat and the mounting seat 65, the upper end of the cylindrical pin 51 is fixed with the mounting seat 65, the lower end of the cylindrical pin 51 is connected with the sliding seat in a sliding mode, and the spring 5 is sleeved on the cylindrical pin 51.

The position of the central line of the sliding seat is downwards concavely provided with a groove 34, two sides of the groove 34 are provided with connecting parts 35, a cylindrical pin 51 is inserted at the bottom of the groove 34, a guide rod 52 is fixed at the upper end of the connecting part 35, and a sliding seat 66 is installed at the rear end of the connecting part 35.

The lower end of the sliding seat extends vertically to form a mounting part 32, a reinforcing part 33 is arranged between the groove 34 and the mounting part 32, and the upper die 31 is fixed at the lower end of the mounting part 32 in parallel.

The machine table 10 is provided with a vertical plate 81, the lifting mechanism 6 is installed at the front end of the vertical plate 81, and the lifting mechanism 6 comprises a screw nut transmission mechanism 62 driven by a servo motor 61. Servo motor 61 transmission precision is higher, improves the precision of test.

The upper end of the vertical plate 81 is provided with a support plate 82, and the support plate 82 is provided with an air source 7.

Lower mould 4 includes tool body 41, connecting piece 44, connecting plate 43, and connecting plate 43 sets up in tool body 41's mounting groove 411, and four connecting piece 44 detachable set up on four angles of tool body 41, and the work piece that awaits measuring is placed between connecting plate 43 and four connecting pieces 44, and tool body 41 is provided with the fixed block in the outside of connecting piece 44, and the fixed block is provided with the screw fixed with board 10. Mounting groove 411 tank bottom sets up and is used for fixing a plurality of screw on board 10 with tool body 41, exposes from the mounting groove 411 tank bottom for air feeder 412, places shape assorted welt 42 in the mounting groove 411, lays connecting plate 43 on the welt 42, and connecting plate 43 and connecting piece 44 can carry out quick replacement according to the size of test cell-phone to can improve efficiency of software testing.

The center of the jig body 41 is provided with an air supply head 412, an air passage 413 is arranged on the outer wall of the jig body 41 toward the air supply head 412, the air supply head 412 is exposed out of the connecting plate 43, and a sealing ring is arranged between the air supply head 412 and the connecting plate 43.

The plugs are movably arranged around the jig body 41 through the driving air cylinder, and are charging hole plugs 46, speaker hole plugs 45 and side key hole plugs. A side key hole plug 48 divides the power side key hole plug and the volume side key hole plug 47.

A control console is arranged in front of the machine table 10 and provided with a control switch, an operation window 21 is arranged in front of the machine frame 1 on the shell 2, the operation window 21 is provided with a safety grating 22, and a touch industrial control all-in-one machine 23 and a control key are arranged above the operation window 21 on the shell 2.

The utility model has reasonable structure, novel design and strong practicability, a product-a mobile phone shell or a semi-finished product of a mobile phone or a finished product of the mobile phone is placed on the jig body 41, matched positioning is carried out through the connecting piece 44 and the connecting plate 43, the driving cylinder drives corresponding plugs-a charging hole plug 46, a loudspeaker hole plug 45 and a side key hole plug to plug a lateral hole of the product for sealing, the lifting mechanism 6 drives the machine head 3 to move downwards, so that the upper die 31 is contacted with the product, the downward pressing acting force of the lifting mechanism 6 is absorbed through the spring 5, the acting force of the upper die 31 on the product is smaller, and a pre-pressing effect is played, a certain sealing binding force is formed between the upper die 31 and the lower die 4 as well as between the upper die 31 and the product, the binding force is determined by the elasticity of the spring 5, and the air tightness test can be carried out on the product at this stage; when the lifting mechanism 6 continues to descend to enable the mounting seat 65 to be in contact with the sliding seat, the acting force of the lifting mechanism 6 is completely acted on the lower die 4 and the product, a larger sealing combination force is provided, and the product can be subjected to an air tightness test at this stage. During the gas tightness test, air supply 7 passes through the trachea and the gas circuit 413 intercommunication of tool body 41, up the test product between mould 31 and the lower mould 4 bleed or aerify to realize the gas tightness test of product, can carry out the gas tightness test of a plurality of different stages to the product through spring 5.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The servo press-fit type air tightness testing device is characterized by comprising a machine table and a machine head, wherein the machine table is provided with a lower die for placing a workpiece to be tested, at least one plug for plugging a hole of the workpiece to be tested is arranged on the periphery of the lower die, the machine head is arranged above the lower die through a lifting mechanism, the machine head is arranged on a lifting seat of the lifting mechanism, and a spring is arranged between the lifting seat and the machine head.

2. The servo press-fit type air tightness testing device as claimed in claim 1, wherein the lifting seat is provided with a slide rail and a mounting seat, the machine head comprises a slide seat and an upper die, the upper die is arranged at a lower end of the slide seat, the slide seat is provided with a slide seat slidably connected with the slide rail, the mounting seat is provided with a guide rod slidably connected with the mounting seat, and two ends of the spring respectively abut against the mounting seat and the slide seat.

3. The servo press-fit type air tightness testing device as claimed in claim 2, wherein a cylindrical pin is disposed between the sliding seat and the mounting seat, an upper end of the cylindrical pin is fixed to the mounting seat, a lower end of the cylindrical pin is slidably connected to the sliding seat, and the spring is sleeved on the cylindrical pin.

4. The servo press-fit type airtightness testing apparatus according to claim 3, wherein a groove is recessed downward from a position of a center line of the sliding seat, connecting portions are provided on both sides of the groove, the cylindrical pin is inserted into a bottom of the groove, the guide rod is fixed to an upper end of the connecting portion, and the sliding seat is mounted to a rear end of the connecting portion.

5. The servo press-fit type airtightness testing apparatus according to claim 4, wherein the lower end of the sliding seat has a mounting portion extending vertically, a reinforcing member is provided between the recess and the mounting portion, and the upper mold is fixed in parallel to the lower end of the mounting portion.

6. The servo press-fit type air tightness testing device as claimed in claim 1, wherein a vertical plate is disposed on the machine platform, the lifting mechanism is mounted at a front end of the vertical plate, and the lifting mechanism comprises a screw nut transmission mechanism driven by a servo motor.

7. The servo press-fit type air tightness testing device according to claim 6, wherein a support plate is arranged at the upper end of the vertical plate, and an air source is arranged on the support plate.

8. The servo pressing type air tightness testing device according to claim 1, wherein the lower mold comprises a fixture body, a connecting member, and a connecting plate, the connecting plate is disposed in the mounting groove of the fixture body, four connecting members are detachably disposed at four corners of the fixture body, the workpiece to be tested is placed between the connecting plate and the four connecting members, the fixture body is provided with a fixing block at an outer side of the connecting member, and the fixing block is provided with a screw fixed to the machine table.

9. The servo pressing type air tightness testing device according to claim 8, wherein a gas supply head is arranged at the center of the jig body, a gas path is arranged on the outer wall of the jig body towards the gas supply head, the gas supply head is exposed out of the connecting plate, and a sealing ring is arranged between the gas supply head and the connecting plate.

10. The servo press-fit type air tightness testing device as claimed in claim 9, wherein the plugs are movably disposed around the jig body by driving cylinders, and the plugs are charging hole plugs, speaker hole plugs, and side key hole plugs.