Automatic valve element sealing ring assembling mechanism

Abstract

The utility model discloses an automatic valve element sealing ring assembling mechanism which comprises a bearing table, a material returning lifting air cylinder is arranged on the bearing table, the driving direction of the material returning lifting air cylinder is arranged along the Z axis, and the driving end of the material returning lifting air cylinder penetrates through the bearing table and then is connected to a material supporting assembly. The bearing table is provided with a material supporting lifting air cylinder with the driving direction arranged along the Z axis, the driving end of the material supporting lifting air cylinder penetrates through the bearing table and then is connected with one end of a material supporting rod, and the material supporting lifting air cylinder drives the material supporting rod to be slidably connected into a material supporting assembly. A linear guide bearing is arranged on the bearing table in the Z-axis direction, one end of the linear guide bearing is fixedly connected to the bearing table, the other end of the linear guide bearing penetrates through the material supporting assembly and then is fixedly connected with a ring withdrawing plate, and the lower end of the material supporting assembly is slidably connected into the ring withdrawing plate in the Z-axis direction. The valve element sealing ring expanding and assembling device can automatically finish expanding, supporting and assembling procedures of the valve element sealing ring, and is simple in structure and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic technology field especially relates to a valve core sealing ring automatic assembly mechanism. BACKGROUND

[0002] Sealing ring seal is the common method of valve core seal, in the process of assembling sealing ring to valve core, need to expand the sealing ring and support material, make the sealing ring inner diameter become big, thus conveniently its sleeve is installed in the recess on the valve core. Because the sealing ring assembled on the valve core is usually small in size, it is not easy to control the expansion size of the sealing ring each time in the expansion and support material process, thus the sealing ring is easily damaged. In addition, the valve core size is different, and the position of the sealing ring needs to be assembled is different, if relying on manual assembly, it is time-consuming and labor-saving, and the assembly efficiency is low. SUMMARY

[0003] To solve the above technical problem, the utility model provides a valve core sealing ring automatic assembly mechanism, can automatically complete valve core sealing ring expansion and support material and assembly process, its simple structure, practicality is strong.

[0004] The technical scheme of the utility model is:

[0005] A valve core sealing ring automatic assembly mechanism, characterized by comprising a bearing table, the bearing table is equipped with the material withdrawal lifting cylinder of drive direction along Z axle setting, its drive end is connected to the support material assembly after being equipped through the bearing table;

[0006] The bearing table is equipped with the support material lifting cylinder of drive direction along Z axle setting, its drive end is connected to the support material rod one end after being equipped through the bearing table, and the support material lifting cylinder drives the support material rod to be slidably connected in the support material assembly;

[0007] Linear guide bearings are arranged on the bearing table along the Z-axis direction, one end of the linear guide bearings is fixed to the bearing table, the other end of the linear guide bearings is fixed to a ring withdrawal plate after being equipped through the support material assembly, and the lower end of the support material assembly is slidably connected to the ring withdrawal plate along the Z-axis direction.

[0008] Further, the support material assembly comprises a plurality of floating rods, a plurality of elastic members, and a hollow support material seat.

[0009] The plurality of floating rods are arranged in a circular array and are slidably connected to the support material seat in a direction perpendicular to the Z-axis. One end of each elastic member is connected to the inner wall of the support material seat, and the other end is connected to the outer wall of the corresponding floating rod.

[0010] When the support material rod is slidably connected to the plurality of floating rods in the inner diameter formed by the plurality of floating rods, the outer diameter formed by the plurality of floating rods increases or decreases.

[0011] Further, each of the floating rods comprises a sliding seat at the upper end, the bottom of the sliding seat is concave to form a notch part towards the direction close to the supporting rod, and the bottom extends downward to form a limiting part, the lower end of each limiting part and the side surface of the notch part form a slope surface from top to bottom, and the bottom of the slope surface extends downward to form a strip-shaped supporting angle rod; the side surface of each floating rod away from the notch part is arranged close to the floating rod adjacent thereto; one end of each elastic member is connected to the inner wall of the supporting seat, and the other end is connected to each sliding seat.

[0012] Further, the side surface of each sliding seat facing the supporting rod is provided with a slope surface.

[0013] Further, the bottom end of the supporting rod facing the supporting assembly is conical.

[0014] Further, the supporting seat is provided with a groove bin corresponding to the side surface connected with each sliding seat, each sliding seat is connected to the corresponding groove bin in the supporting seat through the elastic member along the direction perpendicular to the Z-axis, and each notch part is located at the lower end of the bottom surface of the supporting seat, and each supporting angle rod is connected to the uncoiling plate along the Z-axis direction.

[0015] Further, the bottom surface of the supporting seat further comprises a guide bottom plate, and the guide bottom plate is coaxial with the supporting seat and is provided with a bottom plate center hole; the outer periphery of the bottom plate center hole is provided with a sliding groove for the corresponding limiting part to slide in the direction corresponding to each groove bin.

[0016] Further, the uncoiling plate is coaxial with the guide bottom plate and is provided with an uncoiling plate center hole, and the inner diameter of the uncoiling plate center hole is smaller than the inner diameter of the expanded sealing ring and larger than the outer diameter of the valve core to be assembled; and the outer periphery of the uncoiling plate center hole is also provided with a sliding groove corresponding to the position of each sliding groove on the guide bottom plate.

[0017] Further, the fixed end of the supporting lifting cylinder is fixedly connected to a synchronous guide rod, and the other end of the synchronous guide rod is slidably arranged through the bearing table and is fixedly connected to the supporting seat.

[0018] The beneficial technical effects of the utility model are that the valve core sealing ring automatic assembly mechanism can automatically complete the sealing ring expansion supporting and assembly process, can assemble valve cores of different sizes, the assembly process is simple, the labor intensity of workers is reduced, and the production efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view when the valve core is located below the utility model;

[0020] Figure 2 is a schematic view of the utility model as a whole;

[0021] Figure 3 is a sectional view of the utility model;

[0022] Figure 4 is the sectional view of the utility model after removing the supporting rod;

[0023] Figure 5 is the schematic view of the utility model guiding bottom plate;

[0024] Figure 6 is the schematic view of the utility model de-coiling plate;

[0025] Figure 7 is the schematic view of the utility model floating rod.

[0026] Among them:

[0027] 000-sealing ring, 001-valve core, 002-annular groove, 100-bearing table, 200-supporting lifting cylinder, 300-supporting assembly, 301-supporting rod, 302-floating rod, 3021-sliding seat, 3022-limiting part, 3023-notch part, 3024-supporting angle rod, 303-elastic member, 304-supporting seat, 3041-groove bin, 3042-seat body, 3043-side baffle, 3045-guiding bottom plate, 3045a-bottom plate center hole, 305-conical groove, 306-sliding groove, 400-material lifting cylinder, 401-connection block, 500-linear guide bearing, 600-de-coiling plate, 601-de-coiling plate center hole, 602-positioning boss, 700-synchronous guide rod. DETAILED DESCRIPTION

[0028] In order to make the technical means of the utility model more clearly understood, and can be implemented according to the content of the specification, the specific embodiments of the utility model are further described in detail below, the following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0029] As Figures 1-7 Indicated, the utility model provides a kind of valve core sealing ring automatic assembly mechanism, it includes bearing table 100, bearing table 100 is used to provide other parts installation foundation, it can be connected on sealing ring automatic equipment assembly line station, also can be separately connected on manipulator or other driving device.

[0030] Bearing table 100 is equipped with the material lifting cylinder 400 of driving direction along Z axis setting, its driving end is connected with a connection block 401 after being passed through bearing table 100, and connection block 401 is fixedly connected on supporting assembly 300, and material lifting cylinder 400 drives supporting assembly 300 to lift along Z axis direction.

[0031] The fixed end of the supporting and lifting cylinder 200 arranged along the Z axis is fixed with a synchronous guide rod 700 at both ends, the other end of the synchronous guide rod 700 is slidably arranged through the bearing table 100 and is fixed on the supporting assembly 300, the driving end of the synchronous guide rod 700 is connected with the supporting rod 301 after being arranged through the bearing table 100, and the supporting and lifting cylinder 200 drives the supporting rod 301 to slide in the supporting assembly 300. The supporting rod 301 is a cylindrical shape, and the bottom end thereof facing the supporting assembly 300 is a conical shape, so as to facilitate the entry into the supporting assembly 300.

[0032] As a preferred, each synchronous guide rod 700 is provided with a positioning groove for monitoring the stroke of the supporting rod 301 rising or falling.

[0033] The supporting assembly 300 comprises four floating rods 302, four elastic members 303 and a supporting seat 304. The supporting seat 304 comprises a seat body 3042, four side baffles 3043 and a guide bottom plate 3045.

[0034] The seat body 3042 is a hollow rectangular block, and a rectangular open slot is formed at the lower end of each side surface thereof, and the opening is downward, and each open slot is fixed with a side baffle 3043 on the outer side surface, so that each side baffle 3043 and the corresponding open slot form a groove bin 3041; the bottom surface of the seat body 3042 is fixed with the guide bottom plate 3045, the guide bottom plate 3045 is provided with a bottom plate center hole 3045a, and the inner diameter of the bottom plate center hole 3045a is greater than the outer diameter of the valve core 001 to be assembled, and a sliding groove 306 is formed on the outer periphery of the bottom plate center hole 3045a corresponding to each groove bin 3041.

[0035] Each floating rod 302 is a long strip shape, which comprises a sliding seat 3021 in a rectangular shape at the upper end, the bottom of each sliding seat 3021 is recessed to form a notch part 3023 towards the direction of the supporting rod 301, and then extends downward to form a limiting part 3022, the lower end of the limiting part 3022 and the side surface of the notch part 3023 on the same side form a slope surface from top to bottom, and the bottom of the slope surface extends downward to form a strip-shaped supporting member corner rod 3024. In order to facilitate the connection with the supporting rod 301, the side surface of the sliding seat 3021 away from the notch part 3023 is also provided with a slope surface from top to bottom.

[0036] The sliding seat 3021 of each floating rod 302 is slidingly connected in a groove bin 3041. Specifically, the sliding seat 3021 is connected to one end of an elastic member 303 on the side surface of the notch part 3023, and the other end of the elastic member 303 is connected to the inner wall of a side baffle 3043 on the groove bin 3041. The bottom surface of each sliding seat 3021 abuts against a guide bottom plate 3045, and each limiting part 3022 is slidingly connected in the corresponding sliding groove 306. Each supporting angle rod 3024 is located at the lower end of the bottom surface of the guide bottom plate 3045. When each elastic member 303 is in a non-compressed state, each floating rod 302 abuts against the side surface of the adjacent floating rod 302. At this time, the side surfaces of the four sliding seats 3021 provided with inclined surfaces together form a downward-opening conical groove 305, and the four supporting angle rods 3024 together form a cylinder, the outer diameter range of which is suitable for the inner diameter of the sealing ring 000 in a natural state. After the expanded supporting and assembling of the sealing ring 000 on the four supporting angle rods 3024, the supporting rod 301 is located above the conical groove 305. When the supporting rod 301 is driven by the supporting and lifting cylinder 200 to pass through the conical groove 305 along the Z-axis direction and move downward toward the sealing ring 000, each sliding seat 3021 is compressed to drive the corresponding elastic member 303 to spread outward. At the same time, each limiting part 3022 slides outward along the sliding groove 306 away from the supporting rod 301. The inner diameter range of the cylinder formed by the four floating rods 302 together gradually increases to accommodate the valve core 001 to be assembled. The outer diameter range of the cylinder formed by the four supporting angle rods 3024 together gradually increases, thereby achieving the effect of expanding the inner diameter of the sealing ring 000.

[0037] In order to fit the sealing ring 000 on the valve core 001, the carrying table 100 is further provided with a ring removing plate 600.

[0038] The carrying table 100 is provided with a linear guide bearing 500 at each of the four corners of the bottom surface along the Z-axis direction. One end of the linear guide bearing 500 is fixed to the bottom surface of the carrying table 100, and the other end is fixed to the ring removing plate 600 after slidingly penetrating through the seat body 3042 and the guide bottom plate 3045 at the four corners, respectively. The ring removing plate 600 is coaxially provided with a ring removing plate center hole 601 with the guide bottom plate 3045, and the inner diameter of the ring removing plate center hole 601 is greater than the outer diameter of the valve core 001 and less than the inner diameter of the sealing ring 000 after being expanded on the supporting angle rod 3024. The outer periphery of the ring removing plate center hole 601 is also provided with a sliding groove 306 corresponding to the position of the sliding groove 306, so that the corresponding limiting part 3022 slides. Each supporting angle rod 3024 is slidingly positioned in the ring removing plate center hole 601 along the Z-axis direction.

[0039] Further, in order to facilitate the butt joint positioning with the valve core 001, the bottom surface of the ring removing plate 600 surrounds the ring removing plate center hole 601 and is concave downward corresponding to the position of each sliding groove 306 and the ring removing plate center hole 601, forming a positioning boss 602.

[0040] The operation process of the utility model is as follows:

[0041] S1, support material: start the material lifting cylinder 400, make it drive four support angle rods 3024 to be located at the bottom end of the bottom surface of the loop withdrawal plate 600, the sealing ring 000 in the natural state is sleeved on the cylindrical shape formed by the four support angle rods 3024, the support lifting cylinder 200 drives the support rod 301 to descend, the sliding seat 3021 on each floating rod 302 is pressed to drive its corresponding elastic member 303 to spread outward, at the same time, each limiting part 3022 slides outward along the sliding groove 306 on the guide bottom plate 3045 and the loop withdrawal plate 600 in the direction away from the support rod 301, at the same time, the inner diameter range of the cylindrical shape formed by the four floating rods 302 is enlarged, the outer diameter range of the cylindrical shape formed by the four support angle rods 3024 is also gradually enlarged, so that the inner diameter of the sealing ring 000 is expanded, and the material supporting action is completed;

[0042] S2, sealing ring assembly: the valve core 001 to be assembled is moved into the inner diameter range formed by the four floating rods 302 along the Z-axis under the action of external force, when the annular groove 002 at the sealing ring 000 where the valve core 001 needs to be equipped moves to the bottom surface of the positioning boss 602, the material lifting cylinder 400 drives the seat body 3042, the guide bottom plate 3045 and each floating rod 302 to ascend in the direction away from the valve core 001, at the same time, the sealing ring 000 on the four support angle rods 3024 is blocked outside the center hole 601 of the loop withdrawal plate, and then slides off from the support angle rod 3024 and is sleeved on the annular groove 002, at the same time, the synchronous guide rod 700 also drives the support lifting cylinder 200 to ascend, so that the support rod 301 ascends at the conical groove 305, the downward pressure on each floating rod 302 disappears, and each floating rod 302 is reset under the action of the elastic force of the corresponding elastic member 303.

[0043] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A valve core seal automatic assembly mechanism characterized by, Including the bearing platform (100), the bearing platform (100) is equipped with the driving direction along the Z axis setting material lifting cylinder (400), its driving end is connected to the material supporting assembly (300) after being set through the bearing platform (100); The bearing platform (100) is equipped with the driving direction along the Z axis setting material lifting cylinder (200), its driving end is connected to the material supporting rod (301) one end after being set through the bearing platform (100), and the material lifting cylinder (200) drives the material supporting rod (301) slidingly connected in the material supporting assembly (300); The bearing platform (100) is equipped with the linear guide bearing (500) along the Z axis direction, one end of the linear guide bearing (500) is fixedly connected to the bearing platform (100), the other end is set through the material supporting assembly (300) and is fixedly connected to a material returning plate (600), and the lower end of the material supporting assembly (300) is slidingly connected in the material returning plate (600) along the Z axis direction.

2. The automatic spool seal ring assembly mechanism of claim 1, wherein, The material supporting assembly (300) comprises a plurality of floating rods (302), a plurality of elastic members (303) and a hollow material supporting seat (304); A plurality of the floating rods (302) are arranged in a circular array and are slidingly connected in the material supporting seat (304) along the direction perpendicular to the Z axis, one end of each of the elastic members (303) is connected to the inner wall of the material supporting seat (304), and the other end is connected to the outer wall of the corresponding floating rod (302); When the material supporting rod (301) is slidingly driven by the material lifting cylinder (200) in the inner diameter formed by the plurality of floating rods (302) collectively surrounding, the outer diameter formed by the plurality of floating rods (302) collectively changes.

3. The automatic spool seal ring assembly mechanism of claim 2, wherein, Each of the floating rods (302) comprises a sliding seat (3021) at the upper end, the bottom of the sliding seat (3021) is concave to form a notch portion (3023) towards the material supporting rod (301), and then extends downward to form a limiting portion (3022), the side surface of each limiting portion (3022) at the lower end and the notch portion (3023) forms a slope surface from top to bottom, and the bottom of the slope surface extends downward to form a strip-shaped material supporting corner rod (3024); the side surface of each of the floating rods (302) away from the notch portion (3023) is arranged in abutment with the adjacent floating rod (302); one end of each of the elastic members (303) is connected to the inner wall of the material supporting seat (304), and the other end is connected to each of the sliding seats (3021).

4. The automatic spool seal ring assembly mechanism of claim 3, wherein, The side surface of each of the sliding seats (3021) facing the material supporting rod (301) is provided with a slope surface.

5. The automatic spool seal ring assembly mechanism of claim 1, wherein, The bottom end of the material supporting rod (301) facing the material supporting assembly (300) is conical.

6. The automatic spool seal ring assembly mechanism of claim 3, wherein, The side surface of the material supporting seat (304) corresponding to each of the sliding seats (3021) is provided with a groove bin (3041), each of the sliding seats (3021) is slidingly connected in the corresponding groove bin (3041) along the direction perpendicular to the Z axis through the elastic member (303), each of the notch portions (3023) is located at the lower end of the bottom surface of the material supporting seat (304), and each of the material supporting corner rods (3024) is slidingly connected in the material returning plate (600) along the Z axis direction.

7. The automatic spool seal ring assembly mechanism of claim 3, wherein The bottom surface of the supporting seat (304) further comprises a guide bottom plate (3045) coaxial with the supporting seat (304) and provided with a bottom plate center hole (3045a); and the outer periphery of the bottom plate center hole (3045a) is provided with a sliding groove (306) corresponding to the sliding of the corresponding limiting part (3022) of each groove bin (3041).

8. The automatic spool seal ring assembly mechanism of claim 7, wherein, The uncoiling plate (600) is coaxial with the guide bottom plate (3045) and provided with an uncoiling plate center hole (601), and the inner diameter of the uncoiling plate center hole (601) is smaller than the inner diameter of the expanded sealing ring and greater than the outer diameter of the valve core to be assembled; and the outer periphery of the uncoiling plate center hole (601) is also provided with a sliding groove (306) corresponding to the position of each sliding groove (306) on the guide bottom plate (3045).

9. The automatic spool seal ring assembly mechanism of claim 2, wherein, The fixed end of the supporting lifting air cylinder (200) is fixedly connected to a synchronous guide rod (700), the other end of the synchronous guide rod (700) is slidably arranged through the bearing table (100) and fixedly connected to the supporting seat (304).

Images