CN115055938B

CN115055938B - Press-fit device and valve assembly system

Info

Publication number: CN115055938B
Application number: CN202210688794.XA
Authority: CN
Inventors: 房振峰; 李国峰; 邓媞; 檀学莹; 袁高鹏; 孙玉洁; 朱月强
Original assignee: Jike Science and Technology Co Ltd
Current assignee: Jike Science and Technology Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-03-24
Anticipated expiration: 2042-06-17
Also published as: WO2023241328A1; CN115055938A

Abstract

A press-fit device for press-fitting a first fitting to a second fitting, comprising: a support; a pressure head; the pressure head is arranged on the first pressing mechanism and corresponds to the positioning seat, the first pressing mechanism is arranged on the support, and the driving pressure head carries out first press fit on a first accessory and a second accessory on the positioning seat along the press fit direction; the detection mechanism is arranged on the press head and used for detecting the position between the first accessory and the second accessory after the first press fit to obtain a first detection result; and the second pressing mechanism is arranged on the support, and drives the pressure head to perform second press-fit on the first fitting and the second fitting along the press-fit direction according to the first detection result. Therefore, the fine pressing and press-fitting of the first fitting and the second fitting can be divided into the first press-fitting and the second press-fitting, and after the first press-fitting is completed, the position between the first fitting and the second fitting is detected, so that the position between the first fitting and the second fitting after the second press-fitting can meet the precision requirement.

Description

Press-fit device and valve assembly system

Technical Field

The invention relates to the technical field of automatic detection and assembly, in particular to a press-fit device and a valve assembly system.

Background

When valve functional components such as a normally open valve and a normally closed valve are assembled, a press-fit process is often required to press-fit two workpieces together to form a press fit, and meanwhile, certain assembly precision requirements are required to be met. Such as the booster valve shown in fig. 1, requires press-fitting the valve seat and the valve body together such that the push rod projects beyond the upper end surface of the valve body by a distance a ± 0.015 (a being a customer-specified dimension) against the spring force.

However, when the existing press-fit device is used for pressing the valve seat and the valve body, in the press-fit process, the force needs to reach thousands of newtons to complete. If the force is too large or too small, the situation that the press fit is not in place and the distance protruding out of the upper end face of the valve body exceeds the precision requirement can occur. This can result in scrapping of excess workpieces. Therefore, a press-fit device is needed to detect and control the positions of two workpieces during press-fit so that the workpieces after press-fit meet the precision requirement.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a press-fit device and a valve assembly system, which can detect and control the positions of two workpieces during press-fitting so that the precision of the press-fitted workpieces can be satisfied.

The present invention in its first aspect provides a press-fit device for press-fitting a first fitting to a second fitting, comprising: a support; a pressure head; the supporting seat is used for supporting and bearing a positioning tool of the first accessory and the second accessory; the first pressing mechanism is arranged on the support and drives the pressing head to perform first press fit on the first accessory and the second accessory along a press fit direction; the detection mechanism is arranged on the press head and used for detecting the position between the first accessory and the second accessory after the first press fit so as to obtain a first detection result; and the second pressing mechanism is arranged on the support and drives the pressure head to perform second press-fit on the first accessory and the second accessory along the press-fit direction according to the first detection result.

Therefore, the press fit of the first accessory and the second accessory can be divided into the first press fit and the second press fit, after the first press fit is completed, the position between the first accessory and the second accessory can be determined by detecting the position between the first accessory and the second accessory, and therefore the second press fit can be adjusted, and the position between the first accessory and the second accessory after the second press fit can meet the precision requirement.

As a possible implementation manner of the first aspect, the first pressing mechanism includes: the movable plate is connected with the support in a sliding mode, and the pressure head is arranged on the movable plate; the lower air cylinder is arranged on the support and provided with a first driving rod arranged in the press-fit direction, and the first driving rod is fixedly connected with the movable plate.

As a possible implementation manner of the first aspect, the indenter includes: the fixed part is fixedly connected with the movable plate; a main body part slidably connected to the fixing part; the limiting part is arranged on the main body part, and the fixing part is abutted against the limiting part during first press fit.

As a possible implementation manner of the first aspect, the main body portion has a hollow cavity, and a detection port is arranged on a side of the cavity facing the support seat; the detection mechanism includes: the measuring core is arranged in the cavity and can move along the press-fit direction, and is provided with a probe which can extend out of the detection port; and the sensor is arranged in the cavity and used for detecting the displacement of the measuring core.

As a possible implementation manner of the first aspect, the size of the detection port is larger than that of the second fitting.

As a possible implementation manner of the first aspect, the second pressing mechanism includes a servo electric cylinder, the servo electric cylinder is disposed on the bracket, and the servo electric cylinder has a second driving rod disposed along the press-fit direction at a position corresponding to the main body portion; the servo electric cylinder and the supporting seat are respectively positioned on two sides of the pressure head along the press-fit direction.

As a possible implementation manner of the first aspect, the detection mechanism is further configured to detect a position between the first accessory and the second accessory during second press fitting, and obtain a second detection result; and the second pressing mechanism performs second press-fitting according to the second detection result.

Thereby, it is possible to perform the second inspection simultaneously with the second press-fitting, and determine whether or not the first fitting and the second fitting are press-fitted to the predetermined position based on the result of the second inspection, to ensure the accuracy of the press-fitting.

A second aspect of the present invention provides a feeding device, including: the first vibration feeding mechanism is used for providing a first accessory; the second vibration feeding mechanism is used for providing a second accessory; the pushing mechanism is arranged at the outlet positions of the first vibration feeding mechanism and the second vibration feeding mechanism and is used for pushing the first accessory and/or the second accessory so that the first accessory and the second accessory are configured along a first axis; the feeding mechanism is provided with a suction head, the suction head can be driven by the feeding mechanism to move to a position corresponding to the first axis and is positioned above the first accessory and the second accessory, the lower surface of the suction head is provided with an adsorption hole, and a magnetic part is arranged in the adsorption hole; the jacking mechanism is provided with a jacking column, the axis of the jacking column is overlapped with the first axis, is positioned below the first fitting and the second fitting, and can move along the first axis.

From this, feed mechanism can absorb first accessory and second accessory simultaneously through the mode of magnetism to can transport first accessory and second accessory simultaneously.

As a possible implementation manner of the second aspect, the feeding mechanism further includes: the material pushing rod is arranged in the adsorption hole and can move along the direction of the outlet of the adsorption hole.

Therefore, after the first accessory and the second accessory are adsorbed in the adsorption holes and transferred to the target positions, the first accessory and the second accessory can be pushed to be away from the magnetic part through the material pushing rod, so that the first accessory and the second accessory are separated from each other through the adsorption holes, and the first accessory and the second accessory are placed.

As a possible implementation manner of the second aspect, the feeding mechanism further includes: the material moving arm can move in the horizontal direction; the material taking arm is connected with the material moving arm in a sliding mode and can move in the vertical direction, and the suction head is arranged on the material taking arm.

Therefore, the material moving arm can drive the suction head to move in the horizontal direction, and the material taking arm can drive the suction head to move in the vertical direction, so that the suction head can be moved to the positions for adsorbing accessories and placing the accessories.

As a possible implementation manner of the second aspect, the suction head is connected to the material taking arm in a sliding manner along a vertical direction, and the feeding mechanism further includes: and one end of the spring is abutted against the suction head, and the other end of the spring is abutted against the material taking arm.

Therefore, when the suction head is abutted against other devices, the vibration generated during abutment can be absorbed by the spring, and the suction head can be kept in close contact after being abutted against other equipment.

As a possible implementation manner of the second aspect, the outlet of the first vibrating feeding mechanism is higher than the outlet of the second vibrating feeding mechanism.

Therefore, the first fitting and the second fitting can be positioned at different heights, and the first fitting and the second fitting are convenient to assemble.

As a possible implementation manner of the second aspect, the material pushing mechanism includes: the first pushing piece can move towards the direction close to the first axis, a first assembling groove is formed in the outlet position of the first vibration feeding mechanism and is a through groove extending in the vertical direction, and the first assembling groove is matched with the first accessory in shape.

As a possible implementation manner of the second aspect, the material pushing mechanism further includes: the second pushes away the material piece, the second pushes away the material piece and can move towards the direction that is close to first axis, the second pushes away the material piece and is in the exit position of second vibration feeding mechanism is provided with the second fitting groove, the second fitting groove is for following the logical groove of vertical direction extension, the second fitting groove with the shape looks adaptation of second accessory.

Thereby, the first fitting and the second fitting can be pushed onto the first axis to facilitate the assembly of the first fitting and the second fitting.

As a possible implementation manner of the second aspect, the material pushing mechanism further includes: the first sliding rail is horizontally arranged, and a first assembling hole for the second accessory and the jacking column to pass through is formed in the corresponding position of the first axis of the first sliding rail; and the second sliding rail is horizontally arranged, and a second assembling hole for the jacking column to pass through is formed in the corresponding position of the first axis of the second sliding rail.

A third aspect of the present invention provides a valve assembly system comprising any one of the press-fit devices of the first aspect; and/or, the feeding device of any one of the second aspect.

A fourth aspect of the present invention provides a valve assembly system comprising: the rotary table device is in linear arrangement and is used for conveying accessories to different stations; the plurality of feeding devices are arranged at one side of the turntable device and are respectively used for placing the accessories on the turntable devices; and the plurality of material moving devices are arranged at the other side of the turntable device and used for transferring accessories on one turntable device to another adjacent turntable device.

From this, can be through setting up loading attachment and moving material device in the both sides of carousel device to when making workman's material loading, can keep away from and move the material device, thereby avoid moving the material device and cause the injury to the workman when shifting the accessory.

As a possible implementation manner of the fourth aspect, the feeding device includes: the vibration feeding mechanism outputs the accessories in sequence through vibration; and the feeding mechanism is arranged at the upper part of the rotary table device and is used for transferring the accessories output by the vibration feeding mechanism to the rotary table device.

Therefore, the feeding mechanism is arranged on the upper portion of the rotary disc device, the space occupied by the valve assembling system can be reduced, and the space utilization rate is improved.

As a possible implementation manner of the fourth aspect, the vibration feeding mechanisms of the multiple feeding devices are linearly arranged at a position on one side of the turntable device. Therefore, the feeding operation of workers can be facilitated.

As a possible implementation manner of the fourth aspect, the turntable device includes: a mounting seat; the rotating disc is arranged on the mounting seat and can rotate on the mounting seat; and the positioning tool is arranged at the edge position of the rotating disc and used for fixing the accessories. Therefore, the rotating disc can convey the accessories to different stations through rotation, a circular conveying mode can be formed, the length of the rotating disc device can be reduced, and the space utilization rate is improved.

As a possible implementation manner of the fourth aspect, the feeding mechanism is disposed on the mounting seat.

As a possible implementation manner of the fourth aspect, the accessory includes a first accessory and a second accessory; the station includes: the first accessory and the second accessory are subjected to pre-pressing press fit at the pre-pressing station, so that the first accessory and the second accessory are in interference fit; the first part and the second part are subjected to coining press-fit in the coining station, so that the first part and the second part reach a preset matching position; the first accessory and the second accessory perform air tightness detection at the air tightness detection station; the pre-pressing station, the fine-pressing station and the air tightness detection station are respectively arranged on different turntable devices.

Thus, different assembly steps can be performed on different carousel devices, and the influence between different carousel devices can be reduced.

Drawings

FIG. 1 is an axial cross-sectional view of a booster valve;

FIG. 2 is a schematic view illustrating an assembly process of the booster valve according to the embodiment of the present application;

FIG. 3 is a schematic view of a valve mounting system according to an embodiment of the present application;

FIG. 4 is a front side perspective view of the valve assembly system of FIG. 3;

fig. 5 is a schematic structural view of a press-fit device B in the embodiment of the present application;

fig. 6 is a partial cross-sectional view of the press-fit device B in fig. 5;

FIG. 7 is an enlarged view of a portion of the crimping portion of FIG. 5;

fig. 8 is a schematic view showing a press-fitting process of the press-fitting device B;

FIG. 9 is a schematic structural diagram of a shell and a moving iron feeding device in an embodiment of the present application;

FIG. 10 is a top schematic view of the housing and the moving iron loading device of FIG. 9;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 10;

FIG. 12 is a schematic structural view of the housing and the moving iron feeding mechanism in FIG. 9;

FIG. 13 is an enlarged view of a portion C of FIG. 12;

FIG. 14 is a second schematic view of the valve mounting system of the present application;

fig. 15 is a third schematic distribution diagram of a valve assembly system according to an embodiment of the present application.

Description of the reference numerals

100. A pressure increasing valve; 110. a valve body; 120. a valve seat; 121. a valve port; 130. a push rod; 140. a spring; 150. moving iron; 160. a housing.

200. A first turntable device; 210. rotating the disc; 220. positioning a tool; 230. and (7) mounting a seat.

300. A second turntable device; 310. rotating the disc; 320. positioning a tool; 330. and (7) mounting a seat.

400. Third rotary table a device; 410. rotating the disc; 420. positioning a tool; 430. and (7) mounting a seat.

500. A valve seat feeding device; 510. a vibration feeding mechanism; 520. valve seat blows material mechanism.

600. A valve body feeding device; 610. a vibration feeding mechanism; 620. valve body feed mechanism.

700. And a press-fit device A.

800. A first detection device.

900. First material moving device.

1100. A spring loading device; 1110. a vibration feeding mechanism; 1120. spring blows material mechanism.

1200. A push rod feeding device; 1210. a vibration feeding mechanism; 1220. the push rod blows the material mechanism.

1300. A press-fit device B; 1310. a support; 1311. a top plate; 1312. a base plate; 1313. a vertical shaft; 1320. a pressure head; 1321. a main body portion; 1322. a fixed part; 1323. a limiting part; 1324. a chamber; 1325. a detection port; 1330. a supporting seat; 1340. a first pressing mechanism; 1341. a movable plate; 1342. pressing down the air cylinder; 1342a first drive rod; 1350. a second pressing mechanism; 1351. an electric cylinder; 1351a second drive rod; 1360. a detection mechanism; 1361. measuring a core; 1361a probe; 1362. a sensor.

1400. And a second detection device.

1500. And the second material moving device.

1600. And a third detection device.

1700. A moving iron feeding device; 1710. a first vibration feeding mechanism; 1711. a first vibrating tray; 1712. a first vibration guide rail; 1720. a second vibration feeding mechanism; 1721. a second vibrating tray; 1722. a second vibration guide rail; 1730. a material pushing mechanism; 1731. a first pusher member; 1731a first fitting groove; 1732. a second pushing member; 1732a second fitting groove; 1733. a first slide rail; 1733a first assembly aperture; 1734. a second slide rail; 1734a second assembly hole; 1740. the shell and the moving iron feeding mechanism; 1741. a support; 1742. a material moving arm; 1743. a material taking arm; 1744. a suction head; 1744a adsorption wells; 1745. a magnetic member; 1746. a material pushing rod; 1747. a spring; 1750. a jacking mechanism; 1751. and (5) jacking the column.

1800. And a press-fit device C.

1900. And a third material moving device.

2000. And a press-fit device D.

2100. And (7) welding the device.

2200. Weld joint detection device.

2300. High voltage detection Provided is a device.

2400. A stroke detection device.

2500. Filter screen subassembly loading attachment.

2600. Filter screen material loading detection device.

2700. The filter screen is pressed and is joined in marriage the device.

2800. Filter screen detection device.

2900 And PWM detection device.

3000. A performance detection device.

3100. Provided is a laser marking device.

3200. Sweep yard detection device.

3300. A blanking device; 3310. a magazine; 3320. a magazine moving mechanism; 3321. an empty station; 3322. a loading station; 3323. a full material station; 3330. a magazine lifting mechanism; 3340. move material robot.

Detailed Description

Next, a detailed description will be given of a specific structure of the valve mounting system in the embodiment of the present application, with reference to the drawings.

Fig. 1 is an axial sectional view of a pressure increasing valve 100, and an example of a press-fit object of the valve assembling system in the embodiment of the present application is described by taking the pressure increasing valve 100 as an example. As shown in fig. 1, the pressure increasing valve 100 includes: valve body 110, valve seat 120, push rod 130, spring 140, moving iron 150, housing 160, and the like.

The valve body 110 has a cylindrical shape, and the valve seat 120, the spring 140, and the push rod 130 are installed inside the valve body 110. The valve seat 120 is a cup-shaped structure with one end provided with a bottom and the other end provided with an opening, and a circular through-hole-shaped valve port 121 is arranged at the bottom axis position of the valve seat 120. During installation, the end of the valve seat 120, which is provided with the valve port 121, needs to be press-fitted into the valve body 110 from the end of the valve body 110, so that the valve seat 120 and the valve body 110 are fixedly connected through interference fit. After installation, one end of the valve seat 120 is positioned inside the valve body 110, and the other end of the valve seat 120 is exposed from the end of the valve body 110. The spring 140 and the push rod 130 are placed into the valve body 110 from the other end of the valve body 110, the spring 140 is sleeved on the outer peripheral surface of one end of the push rod 130, and the other end of the push rod 130 is exposed from the end of the valve body 110. One end of the spring 140 abuts against the push rod 130 and the other end abuts against the valve seat 120, and the spring 140 can separate the push rod 130 from the valve seat 120 by its own elastic force.

The casing 160 is a circular cup-shaped structure with one end closed and the other end open, and the moving iron 150 is arranged in the casing 160 and is matched with the shape of the inside of the casing 160. One end of the opening of the housing 160 is sleeved on the other end of the valve body 110, and can be fixedly connected with the valve body 110 by press-fitting or welding. After the housing 160 and the valve body 110 are installed, the movable iron 150 abuts against the other end of the push rod 130, and the movable iron 150 moves in the housing 160 along the axial direction, so as to push the push rod 130 to compress the spring 140, so that one end of the push rod 130 abuts against the valve port 121, thereby controlling the opening and closing of the valve port 121.

In addition, according to the process requirement, after the valve body 110 is press-fitted to the valve seat 120, the push rod 130 compresses the spring to make one end of the push rod 130 abut against the valve port 121, and then the distance that the other end of the push rod 130 protrudes from the end surface of the valve body 110 is required to be within a predetermined assembly accuracy range.

Fig. 2 is a schematic view showing an assembly process of the pressure increasing valve 100 in the embodiment of the present application. As shown in fig. 2, the assembling step of the pressure increasing valve 100 may include:

and S101, feeding.

The valve body 110, the valve seat 120, the push rod 130, the spring 140, the moving iron 150, the housing 160, and the like are placed in predetermined positions in a predetermined order by a feeding device.

Step S102, press fitting.

After the feeding device places the valve body 110, the valve seat 120, the push rod 130, the spring 140, the moving iron 150, and predetermined components in the housing 160 at predetermined positions, press-fitting is performed by a press-fitting device, so as to achieve interference fit between, for example, the valve body 110 and the valve seat 120 and/or between the valve body 110 and the housing 160, while ensuring that the fit between the valve body 110 and the valve seat 120 and/or between the valve body 110 and the housing 160 is within a predetermined assembly accuracy range.

And step S103, detection.

During and/or after the assembly of the pressure increasing valve 100, the position or airtightness between the parts of the pressure increasing valve 100 which are assembled is detected, thereby ensuring the product quality of the pressure increasing valve 100.

Next, a valve assembling system in the embodiment of the present application will be described in detail with reference to the pressure increasing valve 100 as an example and with reference to assembling steps of the pressure increasing valve 100.

FIG. 3 is a schematic view of a valve mounting system according to an embodiment of the present application; fig. 4 is a front side perspective view of the valve assembly system of fig. 3. As shown in fig. 3 and 4, the valve mounting system in the embodiment of the present application includes: the pressure-sensitive valve assembly comprises a first rotary table device 200, a second rotary table device 300 and a third rotary table device 400, a first feeding device (namely, a valve seat feeding device 500 and a valve body feeding device 600), a second feeding device (namely, a spring feeding device 1100 and a push rod feeding device 1200) and a third feeding device (namely, a shell and moving iron feeding device 1700), a first material moving device 900, a second material moving device 1500 and a third material moving device 1900, and a pressure-fit device A700, a pressure-fit device B1300, a pressure-fit device C1800 or other devices for assembling the pressure-increasing valve 100, which are arranged around the first rotary table device 200, the second rotary table device 300 or the third rotary table device 400, and can be arranged on a workbench or other suitable equipment.

As shown in fig. 3, the first carousel means 200, the second carousel means 300 and the third carousel means 400 are arranged linearly for transporting the parts between the different processing stations. The first feeding device, the second feeding device and the third feeding device are arranged at one side positions of the first rotary table device 200, the second rotary table device 300 and the third rotary table device 400 and are respectively used for placing accessories on the first rotary table device 200, the second rotary table device 300 and the third rotary table device 400. The first material transfer device 900 is disposed at another side position of the first turntable device 200, the second turntable device 300 and the third turntable device 400, and is used for transferring the accessories assembled on the first turntable device 200 to the second turntable device 300. The second material transferring device 1500 is disposed at another side of the first turntable device 200, the second turntable device 300, and the third turntable device 400, and is used for transferring the components assembled on the second turntable device 300 to the third turntable device 400.

From this, set up first loading attachment, second loading attachment and third loading attachment in same side position according to linear arrangement, can make things convenient for the workman to add corresponding accessory in first loading attachment, second loading attachment and the third loading attachment. Meanwhile, the first material transfer device 900 and the second material transfer device 1500 are arranged at the other side positions of the first rotary table device 200, the second rotary table device 300 and the third rotary table device 400, so that the space among the first rotary table device 200, the second rotary table device 300 and the third rotary table device 400 can be reduced, and the whole valve assembling system is more compact. In addition, the first loading device, the second loading device and the third loading device are separated from the first material moving device 900 and the second material moving device 1500 at two sides by the first rotating disc device 200, the second rotating disc device 300 and the third rotating disc device 400, so that when a worker adds accessories to the first loading device, the second loading device and the third loading device, the worker can be far away from the first rotating disc device 200, the second rotating disc device 300 and the third rotating disc device 400, and the first material moving device 900 and the second material moving device 1500 which can rotate or move during working, thereby avoiding the collision between the devices and the worker during the rotation or movement, and ensuring the safety of the worker.

As shown in fig. 3 and 4, the first disk apparatus 200 includes: a rotating disc 210, a positioning tool 220 and a mounting seat 230. The rotating disk 210 is in the shape of a disk or a ring and is provided on the mounting seat 230. The rotating disk 210 is overlapped with the axis of the mounting seat 230, and the top of the mounting seat is exposed, and thus, it can be used for mounting equipment such as a valve body loading mechanism 620 described below. A plurality of positioning tools 220 for placing and fixing accessories may be disposed on the rotating disc 210 near the edge, for example, 6 positioning tools 220 may be uniformly disposed along the edge of the rotating disc 210, and an angle difference between two adjacent positioning tools 220 is 60 °.

Around the outer edge of the rotary disk 210, a plurality of stations are provided, and the arrangement of the plurality of stations may be, for example, 6 stations uniformly provided as shown in fig. 3, and may include a valve seat feeding station, a valve body feeding station, a valve seat press-fitting station a, and a blanking station provided in the assembly order, wherein the valve seat feeding station may be provided at the right side of the rotary disk 210 as shown in fig. 3. Thus, the rotary disk 210 can convey the parts on the positioning tool 220 between the stations by rotating clockwise or counterclockwise by 60 degrees, for example.

As shown in fig. 3, the valve seat feeding device 500 in the embodiment of the present application includes a vibration feeding mechanism 510 and a valve seat blowing mechanism 520. The vibration feeding mechanism 510 may be disposed at a rear side position of the rotary disc 210, and the valve seat blowing mechanism 520 may be disposed at a corresponding position of the valve seat feeding station. The valve seat blowing mechanism 520 may blow the valve seat 120 provided by the vibration feeding mechanism 510 to the positioning tool 220 located at the valve seat feeding station. After the valve seat 120 is placed, the rotary disk 210 rotates 60 ° to transfer the valve seat 120 to the next station.

As shown in fig. 3, a valve body feeding device 600 in the embodiment of the present application may include: a vibration feeding mechanism 610 and a valve body feeding mechanism 620. The valve body feeding mechanism 620 is located at the upper portion of the first rotary disk device 200 and is fixedly mounted at the top position of the mounting seat 230, so as to improve the space utilization rate. The valve body feeding mechanism 620 can clamp the valve body 110 provided by the vibration feeding mechanism 610 by the mechanical claw and then place the valve body on the valve seat 120 located at the valve body feeding station, thereby completing the feeding of the valve body 110.

As shown in fig. 3, a press-fit device a700 is disposed at a corresponding position of the valve seat press-fit station a, and the press-fit device a700 can press-fit the valve body 110 and the valve seat 120 on the positioning tool 220, that is, a part of the valve seat 120 is pressed into the valve body 110, so as to ensure that the valve seat 120 and the valve body 110 are in a connected state, and prevent the valve seat 120 and the valve body 110 from displacing during transfer and affecting the press-fit precision.

The stations around the outer edge of the rotating disk 210 as shown in fig. 3 may further include first sensing stations respectively located at the next stations of the valve seat feeding station, the valve body feeding station, and the valve seat press-fitting station a. According to different detection targets, the first detection station can be further provided with a first detection device 800 with a corresponding detection function so as to ensure that the loading and press-fitting meet a preset assembly standard.

After the valve seat 120 and the valve body 110 are assembled on the first rotary table device 200, the first rotary table device 200 conveys the valve seat 120 and the valve body 110 to a blanking station, and the first material transfer device 900 transfers the valve seat 120 and the valve body 110 to the second rotary table device 300.

As shown in fig. 3, the second turntable device 300 has the same structure as the first turntable device 200, and includes: the rotating disc 310, the positioning tool 320 and the mounting seat 330 are not described in detail herein. Around the outer edge of the rotating disc 310 of the second turntable device 300, a plurality of stations are provided, including a feeding station, a spring feeding station, a push rod feeding station, a press-fit station B, and a blanking station, wherein the feeding station and the blanking station may be provided in the front direction of the rotating disc 310 as shown in fig. 3, the specific feeding station is located at the front side and deflects 30 ° to the left, and the blanking station is located at the front side and deflects 30 ° to the right. So that the first material moving device 900 can place the valve seat 120 and the valve body 110 on the positioning tool 320 of the feeding station conveniently, and the second material moving device 1500 can take down the fittings on the positioning tool 320 of the discharging station to complete discharging.

Therefore, the first material transferring device 900 can place the valve seat 120 and the valve body 110, which are subjected to the predetermined assembly on the first rotary table device 200, on the positioning tool 320 of the feeding station of the second rotary table device 300, so as to complete the feeding. Then, the rotary disk 310 rotates to convey the valve seat 120 and the valve body 110 to the next station.

As shown in fig. 3, the spring loading device 1100 includes a vibratory feed mechanism 1110 and a spring blow mechanism 1120. The two vibrating feeding mechanisms 1110 are arranged at the rear side of the second turntable device 300, and the two vibrating feeding mechanisms 1110 feed materials at the same time, so that feeding rhythm can be improved. The spring blowing mechanism 1120 is arranged at a corresponding position of the positioning tool 320 of the spring loading station. The springs 140 provided by the two vibrating feeding mechanisms 1110 are conveyed to the positioning tool 320 located at the spring loading station by the spring blowing mechanism 1120. Specifically, the fluid is delivered into the valve body 110 located on the positioning tool 320. After the spring 140 is loaded, the rotary disk 310 rotates to transfer the valve seat 120, the valve body 110 and the spring 140 to the next station.

As shown in fig. 3, the push rod loading device 1200 includes: a vibration feeding mechanism 1210 and a push rod blowing mechanism 1220. The vibration feeding mechanism 1210 is disposed at a rear position of the second turntable device 300, and the push rod blowing mechanism 1220 is disposed at a corresponding position of the push rod feeding station. The push rod 130 provided by the vibration feeding mechanism 1210 is conveyed to the positioning tool 320 located at the push rod loading station by the push rod blowing mechanism 1220. Specifically, the push rod 130 is conveyed into the valve body 110 on the positioning tool 320, and partially enters the spring 140 to abut against the spring 140. After the push rod 130 is loaded, the rotating disc 310 rotates to convey the valve seat 120, the valve body 110, the spring 140 and the push rod 130 to the next station.

As shown in fig. 3, the stations around the outer edge of the rotating disk 310 may further include a second inspection station located after the spring loading station and the pusher loading station. The second detection station is provided with a second detection device 1400 to detect the placement positions of the spring 140 and the push rod 130. After the detection is completed, the rotary disk 310 rotates to convey the valve seat 120, the valve body 110, the spring 140 and the push rod 130 to the next station.

As shown in fig. 3, a press-fit device B1300 is provided at a corresponding position of the press-fit station B. The press-fit device B1300 can press-fit the valve seat 120 and the valve body 110 in the positioning tool 320 of the press-fit station B, so that after the push rod 130 compresses the spring 140 and one end of the push rod 130 abuts against the valve port 121, the distance of the other end of the push rod 130 protruding from the end surface of the valve body 110 is within a preset precision range.

Fig. 5 is a schematic structural diagram of a press-fit apparatus B1300 in the embodiment of the present application, and shows one possible implementation form of the press-fit apparatus B1300. As shown in fig. 5, a press-fit device B1300 in the embodiment of the present application includes: a bracket 1310, a ram 1320, a support seat 1330, a first hold-down mechanism 1340, a second hold-down mechanism 1350, and a detection mechanism 1360. The pressing head 1320 is disposed at a position on the first pressing mechanism 1340 corresponding to the positioning tool 320 of the press-fit station B, the first pressing mechanism 1340 is disposed on the bracket 1310, and the driving pressing head 1320 performs a first press-fit operation on the valve seat 120 and the valve body 110 on the positioning tool 320 along a press-fit direction (a displacement direction when the valve body 110 is press-fit connected to the valve seat 120). The detection mechanism 1360 is provided on the ram 1320, and is configured to detect a position between the valve seat 120 and the valve body 110 after the first press-fitting, and acquire a first detection result. The second pressing mechanism 1350 is disposed on the holder 1310, and drives the press head 1320 to perform a second press-fit on the valve seat 120 and the valve body 110 in the press-fit direction according to the first detection result. Therefore, the press-fit of the valve seat 120 and the valve body 110 can be divided into a first press-fit and a second press-fit, after the first press-fit is completed, the position between the valve seat 120 and the valve body 110 can be determined by detecting the position between the valve seat 120 and the valve body 110, and the second press-fit can be adjusted, so that the position between the valve seat 120 and the valve body 110 after the second press-fit can meet the precision requirement.

Fig. 6 is a partial cross-sectional view of press-fit device B1300 of fig. 5. As shown in fig. 5 and 6, the bracket 1310 includes a top plate 1311 horizontally disposed at the upper portion, a bottom plate 1312 disposed at the bottom portion, and a vertical shaft 1313 vertically disposed at both sides between the top plate 1311 and the bottom plate 1312, respectively, and the top plate 1311 and the bottom plate 1312 are fixedly connected by the vertical shaft 1313 to form a square frame structure. The supporting seat 1330 is disposed on the bottom plate 1312 and located at a corresponding position of the press-fit station B to support the positioning tool 320 located at the press-fit station B, so that the stability of the positioning tool 320 is improved during the first press-fit and the second press-fit.

The first pressing mechanism 1340 includes a movable plate 1341 and a pressing cylinder 1342, the movable plate 1341 is horizontally disposed between the top plate 1311 and the bottom plate 1312, and both ends of the movable plate 1341 are slidably connected to the two upright shafts 1313, respectively. The downward-pressing cylinder 1342 is disposed at the bottom of the top plate 1311, the downward-pressing cylinder 1342 has a first driving rod 1342a disposed vertically downward, and an end of the first driving rod 1342a is connected to the movable plate 1341 and can drive the movable plate 1341 to move up and down along the vertical shaft 1313.

The second push-down mechanism 1350 includes a power cylinder 1351, the power cylinder 1351 being provided on an upper surface of the top plate 1311 and having a second driving rod 1351a vertically extended downward through the top plate 1311, the power cylinder 1351 being capable of controlling the second driving rod 1351a to be extended downward or retracted upward.

Fig. 7 is an enlarged view of a portion of the pressure head 1320 in fig. 5. As shown in fig. 7, the ram 1320 includes a body portion 1321 and a fixing portion 1322. The main body 1321 is a column-shaped structure, and the main body 1321 passes through the fixing portion 1322 and is slidably connected to the fixing portion 1322. The fixing portion 1322 is located in a middle region of the main body portion 1321, and the main body portion 1321 is fixedly mounted at a middle position of the movable plate 1341 through the fixing portion 1322, so that the main body portion 1321 is located right above the positioning tool 320 at the press-fit station B. The diameters of the parts of the body 1321 are different from each other, and a stopper 1323 is formed at a position near the lower end of the body 1321 and at two different diameters. The limiting portion 1323 abuts against the fixing portion 1322, so that when the movable plate 1341 drives the pressing head 1320 to move downward, the main portion 1321 of the pressing head 1320 is fixed relative to the movable plate 1341 by the limiting portion 1323. The body 1321 may be provided with a tapered block coaxial with the body 1321, and the tapered block may be provided with a large upper portion and a small lower portion. The fixing portion 1322 has a tapered hole formed at a position corresponding to the tapered block, and the tapered hole is fitted to the tapered block and is also set in a state where the upper portion is large in size and the lower portion is small in size. Therefore, through the matching between the tapered block and the tapered hole, the fixing portion 1322 may further perform a function of righting the main body portion 1321, so that the main body portion 1321 may keep moving vertically downward, and the main body portion 1321 is prevented from shaking. The main body 1321 is slidably coupled to the fixing portion 1322, and a second driving rod 1351a of the electric cylinder 1351 extends downward and can be in contact with a top end of the main body 1321, thereby driving the main body 1321 to slide downward on the fixing portion 1322.

As shown in fig. 7, a hollow chamber 1324 is further provided in the main body 1321, and the detection mechanism 1360 is provided in the chamber 1324. The chamber 1324 is formed with an open-shaped detection port 1325 at a lower end position, and the size of the detection port 1325 is larger than that of the push rod 130 so as to leave a movable space for the push rod 130 to protrude from the end face of the valve body 110 after press-fit connection. The detection mechanism 1360 includes a core 1361 and a sensor 1362, wherein the core 1361 is disposed in a lower position within the chamber 1324 and the core 1361 is movable up and down within the chamber 1324. The core 1361 has a probe 1361a extending from a lower end thereof, and the probe 1361a passes through the detecting opening 1325 and is exposed downward from the detecting opening 1325. The sensor 1362 is arranged in the cavity 1324 and located at the upper position of the core 1361, the sensor 1362 may include a displacement sensor and a force sensor, the sensor 1362 abuts against the core 1361, and the displacement of the core 1361 and the pressure applied to the core 1361 may be detected by the sensor 1362.

Fig. 8 is a schematic view of a press-fit process performed by the press-fit device B1300. As shown in part (a) of fig. 8, after the rotating disc 310 rotates to transfer the positioning tool 320 to the press-fitting station B, the valve body 110, the valve seat 120, the spring, and the push rod 130 are placed in the positioning tool 320 at predetermined positions. Wherein, the open end of valve seat 120 is downward, sets up in location frock 320, and valve body 110 pressure is pressed in valve seat 120 upper portion, and the upper end part of valve seat 120 stretches into in the valve body 110, and the axis coincidence of valve seat 120 and valve body 110. The push rod 130 and the spring are placed in the valve body 110, the spring is sleeved at one end of the push rod 130, one end of the spring is abutted against the push rod 130, the other end of the spring is abutted against the valve seat 120, and the push rod 130 is supported to be separated from the valve seat 120.

As shown in part (b) of fig. 8, the first press-down mechanism 1340 drives the ram 1320 downward to perform a first press-fit. Specifically, the pressing cylinder 1342 controls the first driving rod 1342a to extend out, so as to drive the movable plate 1341 to move downward, and further drive the pressing head 1320 to move downward, so that the lower end of the main body 1321 abuts against the upper end of the valve body 110. The body portion 1321 presses the valve body 110 to move downward, so that the portion of the valve seat 120 entering the through hole of the valve body 110 gradually increases. When the probe 1361a abuts against the push rod 130, the core 1361 is displaced in the cavity 1324 of the body portion 1321, so that the sensor 1362 can obtain a first detection result. The first detection result may include a distance between the upper end of the push rod 130 and the upper end of the valve body 110, and a driving force of the first driving lever 1342 a. At this time, the first depressing mechanism 1340 stops moving downward, and the first press-fitting ends.

As shown in fig. 8 (c), after the first press-fitting is completed, the second driving rod 1351a of the second press-down mechanism 1350 extends downward to abut against the top end of the main body 1321, and then pushes the main body 1321 to slide downward in the fixing portion 1322, so that the main body 1321 continues to press the valve body 110 to move downward, the portion of the valve seat 120 entering the valve body 110 gradually increases, and the distance between the upper end of the push rod 130 and the upper end of the valve body 110 reaches a predetermined value. The second push-down mechanism 1350 may adjust the length of the second driving rod 1351a protruding downward according to the first detection result, so that the distance between the upper end of the push rod 130 and the upper end of the valve body 110 after the second press-fitting meets the precision requirement. Meanwhile, the sensor 1362 may detect a distance between the upper end of the push rod 130 and the upper end of the valve body 110 in real time during the second press-fitting process, thereby obtaining a second detection result. The second push-down mechanism 1350 may adjust the length of the second driving rod 1351a protruding downward according to the second sensing result, thereby improving the accuracy of the distance between the upper end of the push rod 130 and the upper end of the valve body 110 after the second press-fitting.

After the press-fit is completed, the rotating disc 310 rotates to convey the valve seat 120, the valve body 110, the spring 140 and the push rod 130 to the blanking station, and the second material moving device 1500 can transfer the valve seat 120, the valve body 110, the spring and the push rod 130 to the third rotating disc device 400 through the mechanical claw.

As shown in fig. 3, the third turntable device 400 has the same structure as the first turntable device 200, and includes: the rotating disc 410, the positioning tool 420 and the mounting seat 430 are not described in detail herein. Around the outer edge of the rotating disc 410 of the third turntable device 400, a plurality of stations are provided, which may include a feeding station, a housing and moving iron feeding station, a press-fitting station C, and a discharging station, wherein the positions of the feeding station and the discharging station are the same as the positions of the feeding station and the discharging station of the second turntable device 300.

Therefore, the second material transferring device 1500 can transfer the valve seat 120, the spring 140 of the valve body 110 and the push rod 130 after press-fitting from the blanking station of the rotating disc 310 to the positioning tool 420 of the third rotating disc device 400 located at the feeding station.

As shown in fig. 3, a third detection station may be further disposed on an outer edge of the rotary disc 410, where the third detection station may be an air tightness detection station, and a third detection device 1600 is disposed at a corresponding position of the third detection station, and is configured to detect air tightness after the push rod 130 abuts against the valve port 121 of the valve seat 120. After the detection is completed, the rotating disc 410 rotates to transfer the valve seat 120, the valve body 110, the spring 140 and the push rod 130 to the shell and moving iron loading station, and the shell and moving iron loading device 1700 places the shell 160 and the moving iron 150 on the valve seat 120.

Fig. 9 is a schematic structural diagram of a feeding device 1700 for a shell and a moving iron in the embodiment of the present application; FIG. 10 is a top schematic view of the housing and moving iron loading apparatus 1700 of FIG. 9; fig. 11 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 10. As shown in fig. 9, 10, and 11, the feeding device 1700 for the casing and the moving iron in the embodiment of the present application includes: the device comprises a first vibrating feeding mechanism 1710, a second vibrating feeding mechanism 1720, a pushing mechanism 1730, a shell and moving iron feeding mechanism 1740 and a jacking mechanism 1750.

The first vibratory feeding mechanism 1710 is configured to provide the housing 160, and the first vibratory feeding mechanism 1710 includes a first vibratory tray 1711 and a first vibratory guide track 1712. After the casing 160 is poured into the first vibratory tray 1711, the first vibratory tray 1711 vibrates to move the casing 160 to the outlet of the first vibratory tray 1711 in sequence along the spiral guide rails arranged on the first vibratory tray 1711. The first vibration guide track 1712 is linear, the inlet of the first vibration guide track 1712 is connected to the outlet of the first vibration tray 1711, and after the housing 160 enters the first vibration guide track 1712 from the first vibration tray 1711, the first vibration guide track 1712 vibrates to move and output the housing 160 along the first vibration guide track 1712.

The second vibratory feeding mechanism 1720 comprises a second vibratory tray 1721 and a second vibratory guide rail 1722, and the second vibratory feeding mechanism 1720 is identical to the first vibratory feeding mechanism 1710 in structure and is not described again here. The second vibratory feeding mechanism 1720 is different from the first vibratory feeding mechanism 1710 in that the second vibratory feeding mechanism 1720 is used for providing the moving iron 150, the first vibratory feeding mechanism 1710 and the second vibratory feeding mechanism 1720 are arranged side by side, the first vibratory guide rail 1712 is arranged in parallel with the second vibratory guide rail 1722, the outlets of the first vibratory guide rail 1712 and the second vibratory guide rail 1722 are aligned in the left-right direction, and the outlet of the first vibratory guide rail 1712 is higher than the outlet of the second vibratory guide rail 1722 by a certain distance.

The pushing mechanism 1730 is disposed at the exit of the first vibrating feeding mechanism 1710 and the second vibrating feeding mechanism 1720, and is configured to push the casing 160 and the moving iron 150 to be located on the first axis L, and the pushing mechanism 1730 includes: a first pushing member 1731, a second pushing member 1732, a first sliding rail 1733 and a second sliding rail 1734.

The first slide rail 1733 is horizontally disposed at an outlet of the first vibration guide track 1712 along the left-right direction, and the upper surface of the first slide rail 1733 is connected to an outlet of the first vibration guide track 1712. The second slide rail 1734 is horizontally disposed at an outlet of the second vibration rail 1722 along the left-right direction, and an upper surface of the second slide rail 1734 is connected to an outlet of the second vibration rail 1722. Between the exit of the first vibration guide 1712 and the exit of the second vibration guide 1722, the right end of the first slide 1733 extends to the upper left end of the second slide 1734. The right end of the first slide rail 1733 is provided with a first assembly hole 1733a, the left end of the second slide rail 1734 is provided with a second assembly hole 1734a, and the axle centers of the first assembly hole 1733a and the second assembly hole 1734a coincide with the first axis L which is vertically arranged.

The first pushing member 1731 is disposed on the first sliding rail 1733 and can move along the first sliding rail 1733 under the driving of an air cylinder or a motor. The first pushing member 1731 is provided with a first fitting groove 1731a at an outlet position of the first vibratory feeding mechanism 1710. The first assembling groove 1731a is a through groove extending in a vertical direction, and the first assembling groove 1731a is adapted to the shape of the housing 160, so that the housing 160 can enter the first assembling groove 1731a after being discharged from the outlet of the first vibratory feeding mechanism 1710. The second pushing member 1732 is disposed on the second rail 1734 and can move along the second rail 1734 under the driving of a cylinder or a motor. The second pushing member 1732 is provided with a second assembly slot 1732a at the outlet of the second vibratory feeding mechanism 1720. The second assembling groove 1732a is a through groove extending in a vertical direction, and the second assembling groove 1732a is adapted to the shape of the moving iron 150, so that the moving iron 150 can enter the second assembling groove 1732a after being discharged from the outlet of the second vibratory feeding mechanism 1720.

The first pushing member 1731 can push the housing 160 in the first assembling groove 1731a to move to the first assembling hole 1733a, so that the axial center of the housing 160 coincides with the first axis L. The second pushing member 1732 can push the moving iron 150 in the second assembling groove 1732a to move to the second assembling hole 1734a, so that the axis of the moving iron 150 coincides with the first axis L. The diameters of the first and

second assembly holes

1733a and 1734a are larger than the diameter of the lifting post 1751, which will be described below, so that the lifting post 1751 can pass through the first and

second assembly holes

1733a and 1734 a. The second assembly hole 1734a has a diameter smaller than that of the moving iron 150 so that the moving iron 150 is stably held on the second assembly hole 1734 a. The diameter of the first assembly hole 1733a is smaller than the diameter of the housing 160 and larger than the diameter of the moving iron 150, so that the housing 160 is stably held on the first assembly hole 1733a, and the moving iron 150 can pass through the first assembly hole 1733a into the housing 160.

The jacking mechanism 1750 is located below the pushing mechanism 1730 and is provided with a cylindrical jacking column 1751, the axis of the jacking column 1751 is overlapped with the first axis L, and the jacking column 1751 can move along the first axis L under the driving of the air cylinder. So that the lifting column 1751 can be lifted up, pass through the second assembly hole 1734a and abut against the moving iron 150 in the second assembly groove 1732a, and push the moving iron 150 to move upwards. So that the moving iron 150 is pushed by the lifting post 1751 to pass through the first assembly hole 1733a into the housing 160, the assembly of the housing 160 and the moving iron 150 is realized. The lift pin 1751 continues to rise and may also push the moving iron 150 and housing 160 into the suction head 1744 described below.

Fig. 12 is a schematic structural view of the housing and moving iron feeding mechanism 1740 in fig. 9. As shown in fig. 12, the housing and moving iron feeding mechanism 1740 includes: a bracket 1741, a material moving arm 1742, a material taking arm 1743 and a suction head 1744. The support 1741 may be installed on the upper portion of the mounting base 430 as shown in fig. 3, and the material moving arm 1742 is horizontally disposed on the support 1741 and may be driven by the air cylinder and the motor to move in the horizontal direction. The material taking arm 1743 is vertically arranged at the end part of the material moving arm 1742, is connected with the material moving arm 1742 in a sliding mode, and can move in the vertical direction under the driving of an air cylinder and a motor. The suction head 1744 is disposed at the lower end of the material taking arm 1743, and can realize displacement in the horizontal and vertical directions through the movement of the material moving arm 1742 and the material taking arm 1743.

Fig. 13 is a partially enlarged view of a portion C in fig. 12. As shown in fig. 13, the suction head 1744 has a cylindrical shape, and the lower surface of the suction head 1744 is provided with a suction hole 1744a, and the shape of the suction hole 1744a is adapted to the shape of the housing 160. A magnetic member 1745 made of a permanent magnet or an electromagnet is provided in the adsorption hole 1744a, the magnetic member 1745 may be formed in a circular ring shape, and an axis of the magnetic member 1745 coincides with an axis of the adsorption hole 1744a. After the housing 160 and the moving iron 150 enter the absorption hole 1744a, the magnetic member 1745 can magnetically absorb the housing 160 and the moving iron 150 in the absorption hole 1744a.

A material pushing rod 1746 is further arranged in the adsorption hole 1744a, the material pushing rod 1746 is cylindrical, and the axis of the material pushing rod 1746 coincides with the axis of the adsorption hole 1744a. The material pushing rod 1746 can move along the axis of the material pushing rod 1746 under the driving of the air cylinder. The magnetic member 1745 is inserted through the center of the magnetic member 1745 and abuts against the outer shell 160 inside the suction hole 1744a, and the outer shell 160 and the moving iron 150 are pushed to separate the outer shell 160, the moving iron 150 and the magnetic member 1745, so that the outer shell 160 and the moving iron 150 are pushed out of the suction hole 1744a.

The suction head 1744 is connected to the material taking arm 1743 in a sliding manner in the vertical direction, and a spring 1747 is wound around the outer peripheral surface of the suction head 1744. One end of the spring 1747 abuts against the material taking arm 1743, and the other end abuts against the suction head 1744. The suction head 1744 is kept in a downwardly extended state by the elastic force of the spring 1747.

Thus, the housing 160 provided by the first vibratory feeding mechanism 1710 enters the first fitting groove 1731a from the outlet, with the opening of the housing 160 facing downward; the moving iron 150 provided by the second vibratory feeding mechanism 1720 enters the second assembly groove 1732a through the outlet. The first pushing member 1731 pushes the housing 160 toward the direction close to the first axis L along the first sliding rail 1733, so that the axis of the housing 160 coincides with the first axis L; the second pushing member 1732 pushes the moving iron 150 along the second sliding rail 1734 toward the direction close to the first axis L, so that the axis of the moving iron 150 coincides with the first axis L, and at this time, the housing 160 is located right above the moving iron 150.

The suction head 1744 is moved by the material transfer arm 1742 so that the axis of the suction hole 1744a coincides with the first axis L. Then, the suction head 1744 is moved downward along the first axis L by the pick-up arm 1743, so that the suction head 1744 abuts against the first pusher 1731 to make the inner surface of the suction hole 1744a abut against the inner surface of the first assembly groove 1731a. When the suction head 1744 abuts against the first material pushing member 1731, the suction head 1744 can slide on the material taking arm 1743 in the vertical direction, so that the shock generated during abutting is absorbed, and meanwhile, the suction head 1744 is pushed to abut against the first material pushing member 1731 by the elastic force of the spring 1747, so that a gap between the suction head 1744 and the first material pushing member 1731 is avoided, and the assembly effect is prevented from being influenced.

Jacking post 1751 of jacking mechanism 1750 is upwards removed along first axis L under the drive of cylinder, with the inside of moving iron 150 jacking entering shell 160, then drives shell 160 and continues to rise, gets into in the absorption hole 1744a. Then, the jacking rod 1751 is driven by the cylinder to move downwards along the first axis L, and the magnetic member 1745 in the suction hole 1744a can magnetically suck the housing 160 and the moving iron 150 into the suction hole 1744a. The suction head 1744 is driven by the material moving arm 1742 and the material taking arm 1743 to move in the horizontal direction and the vertical direction, so that the housing 160 and the moving iron 150 can be moved to a target position, for example, a corresponding position on the third turntable device 400. After the suction head 1744 reaches the target position, the material pushing rod 1746 inside the suction head 1744 moves downward under the driving of the air cylinder, and pushes the housing 160 and the moving iron 150 to separate from the magnetic member 1745, so that the housing 160 and the moving iron 150 fall to the corresponding positions on the third turntable device 400 through the suction holes 1744a, and the assembly and the transfer of the housing 160 and the moving iron 150 are completed.

After the housing 160 and the moving iron 150 are placed on the valve body 110, the rotating disc 410 rotates to transfer the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150 and the housing 160 to the press-fitting station C. The press-fit device C1800 is arranged at the corresponding position of the press-fit station C, the press-fit device C1800 can press-fit the shell 160 and the valve body 110 on the positioning tool 420, the valve body 110 enters the preset position in the shell 160, the shell 160 and the valve body 110 are fixed through interference fit, press-fit and welding fixation are performed subsequently, and meanwhile, the situation that the spring 140, the push rod 130 and the moving iron 150 in the valve seat 120 are displaced in the transfer process to influence the assembly precision is avoided.

After the press-fitting of the housing 160 and the valve body 110 is completed, the rotary disc 410 rotates to transfer the valve seat 120, the valve body 110, the spring 140, the push rod 130, the moving iron 150 and the housing 160 to a blanking station. The third material moving device 1900 is further disposed at a front position of the third turntable device 400, and the valve seat 120, the valve body 110, the spring 140, the push rod 130, the moving iron 150 and the outer shell 160 which are assembled on the positioning tool 420 of the material discharging position can be taken down from the positioning tool 420 by the gripper and transferred to the next processing flow.

Fig. 14 is a second distribution diagram of the valve assembly system according to the embodiment of the present application. As shown in fig. 14, the valve assembling system in the embodiment of the present application may further include a press-fit device D2000, the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150, and the housing 160, which are press-fitted by the press-fit device C1800, may be conveyed to the press-fit device D2000 by the conveyance of the mechanical claw and the rotating disc, and the press-fit device D2000 performs press-fit on the housing 160, so that the valve body 110 enters the housing 160, and reaches a predetermined position, so as to complete the press-fit of the valve body 110 and the housing 160.

As shown in fig. 14, the valve assembling system in the embodiment of the present application may further include a welding device 2100, after the press-fitting device D2000 performs the press-fitting on the valve body 110 and the housing 160, the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150, and the housing 160 may be conveyed to the welding device 2100 by the conveying of the gripper and the rotating disc, and the welding device 2100 may weld the position where the valve body 110 and the housing 160 are connected, so as to achieve the welding fixation between the valve body 110 and the housing 160, and close the gap between the position where the valve body 110 and the housing 160 are connected.

As shown in fig. 14, the valve assembling system in the embodiment of the present application may further include a weld detecting apparatus 2200, and the weld detecting apparatus 2200 may be a CCD detector or other type of detecting device. The valve body 110 and the housing 160 welded by the welding apparatus 2100 may be transferred to the weld detecting apparatus 2200 by transferring the rotating disk, and the weld may be detected by the weld detecting apparatus 2200 to ensure the welding quality.

As shown in fig. 14, the valve assembling system in the embodiment of the present application may further include a high pressure detecting device 2300. After the welding seam detection is completed by the welding seam detection device 2200, the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150 and the shell 160 after the welding seam detection can be placed on the feeding sliding table by a manipulator, the manipulator can grab the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150 and the shell 160 after the welding seam detection is completed on the feeding sliding table and place the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150 and the shell 160 after the welding seam detection on the high-pressure detection device 2300, and the high-pressure detection device 2300 performs air tightness detection and performance detection on the valve seat 120, the valve body 110, the spring, the push rod 130, the moving iron 150 and the shell 160 after the welding seam detection. In order to adapt to the production rhythm, the high-pressure detection device 2300 can be set to a double-station parallel measurement mode, that is, two detection stations which are not interfered with each other are arranged, and the pressure increasing valve 100 can be independently detected so as to improve the detection efficiency. After the high pressure detection device 2300 completes the detection, the detected valve seat 120, valve body 110, spring, push rod 130, moving iron 150 and housing 160 are placed on the discharging sliding table by the mechanical claw.

FIG. 15 is a third schematic view of the valve mounting system of the present application; as shown in fig. 14 and 15, the valve assembling system in the embodiment of the present application may further include a stroke detection device 2400, or a feeding and press-fitting device of other components that may be included in the pressure increasing valve 100. When, for example, pressure booster valve 100 further includes a screen, the corresponding valve assembly system may further include a screen assembly feeder 2500, a screen feeder test 2600, a screen press-fit device 2700, and a screen test 2800. The valve mounting system of the embodiments of the present application may further include other detection devices, such as PWM detection device 2900, performance detection device 3000. Finally, the pressurizing valve 100 may be marked by the laser marking device 3100, the marking effect on the pressurizing valve 100 may be detected by the code scanning detection device 3200, and then the following blanking device 3300 may perform blanking.

As shown in fig. 15, an embodiment of the present application further provides a blanking apparatus 3300, which may include: a magazine 3310, a magazine moving mechanism 3320, a magazine lifting mechanism 3330, and a transfer robot 3340. Wherein, the whole square structure that is of magazine 3310, the top of the four corners position of magazine 3310 are provided with the constant head tank, and the bottom is provided with the locating pin with constant head tank relevant position to when making a magazine 3310 place on another magazine 3310, the locating pin can get into in the constant head tank, so that more stable when connecting with the mode of piling up between the magazine 3310. The cartridge 3310 is provided with a plurality of mounting grooves in an array, and the shape of the mounting grooves may be, for example, adapted to the shapes of the assembled valve seat 120, valve body 110, spring 140, push rod 130, moving iron 150 and housing 160.

The material box moving mechanism 3320 is provided with an empty material station 3321, a loading station 3322 and a full material station 3323, and the material box lifting mechanism 3330 is arranged at the corresponding positions of the empty material station 3321, the loading station 3322 and the full material station 3323 of the material box moving mechanism 3320. The empty material station 3321 may be configured to stack a plurality of empty cartridges 3310, the cartridge lifting mechanism 3330 may lift the cartridges 3310 on the lowermost cartridge 3310, so that the lowermost cartridge 3310 may be lowered onto the cartridge moving mechanism 3320, the cartridge moving mechanism 3320 may move the cartridges 3310 to the loading station 3322, and the remaining cartridges 3310 of the empty material station 3321 may be replaced by the cartridge lifting mechanism 3330. After the empty cartridge 3310 reaches the loading station 3322, the cartridge lifting mechanism 3330 may lift the cartridge 3310, and the robot places the assembled valve seat 120, valve body 110, spring 140, push rod 130, moving iron 150, and housing 160 into the receiving slot of the cartridge 3310 by using the gripper. When the mounting grooves of the cartridges 3310 of the charging stations 3322 are filled, the cartridge lifting mechanism 3330 can lift the cartridges 3310 of the full-charge stations 3323, place the cartridges 3310 of the charging stations 3322 on the cartridge moving mechanism 3320, and move the cartridges 3310 of the charging stations 3322 to the full-charge stations 3323 from the cartridge moving mechanism 3320. The cartridge lifting mechanism 3330 then places the cartridge 3310 lifted up from the full feed station 3323 onto the cartridge 3310 newly delivered by the cartridge moving mechanism 3320. Thus, blanking can be accomplished by the blanking device 3300.

Further, the blanking device 3300 in the embodiment of the present application is not limited to blanking, and may also be used for feeding. The feeding mode of the feeding device 3300 is opposite to the feeding mode, and is not described herein again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A press-fit device for press-fit connection of a first fitting and a second fitting, so that after a push rod in the first fitting is abutted against the second fitting, a predetermined size is kept between an upper end face of the push rod and an upper end face of the first fitting, the press-fit device is characterized by comprising:

a support;

the pressure head comprises a fixing part and a main body part, and the main body part is connected with the fixing part in a sliding manner; the main body part is provided with a conical block, the axis of the conical block is the same as that of the main body part, the upper part of the conical block is larger in size, the lower part of the conical block is smaller in size, and the fixing part is provided with a conical hole matched with the conical block;

the supporting seat is used for supporting and bearing the first accessory, the second accessory and a positioning tool of the push rod;

the first pressing mechanism comprises a movable plate, the movable plate is connected with the support in a sliding mode, the fixing portion of the pressure head is fixed to the position, corresponding to the support seat, of the movable plate, the first pressing mechanism is arranged on the support, and the movable plate slides relative to the support so as to drive the main body portion of the pressure head to perform first pressing and assembling on the first part and the second part along a pressing and assembling direction;

the detection mechanism is arranged on the main body part of the pressure head, is provided with a probe, is provided with a detection port at the lower end of the main body part of the pressure head, extends out of the detection port and is used for detecting the distance between the upper end surface of the first accessory and the upper end surface of the push rod after the first press fit so as to obtain a first detection result;

the second pressing mechanism is arranged on the bracket, drives the main body part of the pressure head to slide relative to the fixing part according to the first detection result so as to perform second press fit on the first accessory and the second accessory along the press fit direction, and is also used for detecting the distance between the upper end surface of the first accessory and the upper end surface of the push rod during second press fit to obtain a second detection result; the second pressing mechanism performs the second press-fit according to the second detection result,

when the first press-fitting and the second press-fitting are performed, the lower end of the main body portion of the indenter contacts the upper end face of the first fitting, and the probe contacts the upper end face of the push rod.

2. The press-fit arrangement according to claim 1, wherein the first press-down mechanism comprises:

the lower air cylinder is arranged on the support and provided with a first driving rod arranged in the press-fit direction, and the first driving rod is fixedly connected with the movable plate.

3. The press-fit device according to claim 2, wherein the ram includes: the limiting part is arranged on the main body part, and the fixing part is abutted against the limiting part during first press fit.

4. The press-fit device according to claim 1, wherein the main body portion has a hollow cavity provided with a detection port on a side facing the support base; the detection mechanism includes:

the measuring core is arranged in the cavity and can move along the press-fit direction, the measuring core is provided with the probe, and the probe can extend out of the detection port;

and the sensor is arranged in the cavity and used for detecting the displacement of the measuring core.

5. The press-fit device according to claim 4, wherein the detection port is larger in size than the push rod.

6. The press-fit device according to claim 5, wherein the second press-down mechanism includes a servo-electric cylinder provided on the bracket, the servo-electric cylinder having a second drive lever provided in the press-fit direction at a position corresponding to the main body portion; the servo electric cylinder and the supporting seat are respectively positioned on two sides of the pressure head along the press-fit direction.

7. A valve fitting system comprising the press-fit device of any one of claims 1-5.