Device for closing and assembling fusion welding type filter element

Abstract

The utility model relates to the technical field of fusion welding type filter element processing, in particular to a fusion welding type filter element closing and assembling device which comprises a base, a sliding block and a taper sleeve, the inside of the base is hollow, a positioning ring coaxial with the base is arranged on the upper section of an inner cavity of the base, and a step used for placing a check ring is arranged on the inner ring face of the positioning ring; vertical first telescopic equipment is arranged at the bottom of the base, the telescopic end of the first telescopic equipment faces upwards, and a plurality of ejector rods capable of vertically sliding and penetrating are evenly arranged at the positions, corresponding to the step of the positioning ring, of the first telescopic equipment, so that after the filter screen is closed up, a check ring is jacked up, and the assembly operation of the fusion welding type filter element is completed; according to the utility model, after the closing operation of the filter screen is completed, the ejector rod is driven by the first telescopic equipment to ascend, and the retainer ring is jacked up by the ejector rod, so that the retainer ring is matched with the framework to complete the assembly operation of the fusion welding type filter element, and compared with the prior art, not only are tools reduced, but also the processing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fusion welding filter element processing, in particular to a device for closing and assembling fusion welding filter elements. Background Art

[0002] The filter elements in the aircraft hydraulic filtration system are mostly made of stainless steel sintered felt welded filter elements. This type of welded filter element requires closing both ends of the filter screen.

[0003] The existing fusion welding type filter element closing device currently includes 6 sliders installed in the cone sleeve, the outer side of the slider is a slope, the cone sleeve is pushed up by the hydraulic cylinder, so that the 6 sliders move centripetally to achieve the closing of the filter screen; for example, a filter element closing device closing mold device disclosed in the Chinese patent publication number CN218076783U; such a device can only close the fusion welding type filter element, and when it is assembled with the frame and the retaining ring, another tooling is required for assembly, and there are two processes, which is not conducive to processing efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model discloses a device for closing and assembling a fusion welding type filter element.

[0005] In order to achieve the above-mentioned invention object, the utility model adopts the following technical solutions:

[0006] A device for closing and assembling a fusion welding filter element, comprising a base, a slider and a cone sleeve, wherein the base is hollow inside, and a coaxial positioning ring is provided at the upper part of the inner cavity of the base, and a step for placing a retaining ring is provided on the inner ring surface of the positioning ring;

[0007] A vertical first telescopic device is provided at the bottom of the base, the telescopic end of the first telescopic device is facing upward, and a plurality of push rods that can slide vertically through are evenly provided at the positions corresponding to the steps of the positioning ring, so as to lift the retaining ring after the filter is closed to complete the assembly operation of the fusion welding filter element.

[0008] Preferably, the positioning ring is provided with a positioning shaft which is coaxial with the positioning ring and extends upward.

[0009] Preferably, a second vertical telescopic device is spaced apart below the base, a mounting bracket is provided at the telescopic end of the second telescopic device, a plurality of push rods are evenly spaced apart along the circumference of the mounting bracket, and the upper ends of the push rods are detachably connected to the cone sleeve.

[0010] Preferably, the top surface of the base is provided with a plurality of guide grooves arranged along its radial direction at even intervals along its circumference, and each guide groove is slidably connected to the sliding block.

[0011] Preferably, the base is provided with an elastic member for pressing the sliding block radially outwards.

[0012] Preferably, the inner side surface of the sliding block is an arc-shaped surface, and the upper section is provided with a slope.

[0013] Preferably, the outer side surface of the slider is an arc-shaped surface adapted to the tapered sleeve.

[0014] Preferably, a rotating clamping assembly is provided above the base at intervals to facilitate adjustment of the filter screen angle during the process of closing the filter screen.

[0015] Preferably, the rotary clamping assembly comprises a fixed bracket arranged above the base, the fixed bracket is rotatably connected to a clamping cylinder, and a clamping claw is provided on a movable part of the clamping cylinder;

[0016] It also includes a driving structure for driving the clamping cylinder to rotate.

[0017] Preferably, the driving structure comprises a hollow rotating shaft rotatably connected to the fixed bracket and coaxial with the base; a clamping cylinder is provided at the lower end of the hollow rotating shaft, and an airway component communicating with the clamping cylinder is sealed and rotatably connected at the upper end;

[0018] The driving structure also includes a driving motor for driving the hollow rotating shaft to rotate.

[0019] Due to the adoption of the above-mentioned technical solution, the utility model has the following beneficial effects:

[0020] 1. Due to the arrangement of the positioning ring, the first telescopic device and the push rod, after the filter screen is closed, the push rod can be driven up by the first telescopic device, and the push rod lifts the retaining ring, so that the retaining ring cooperates with the frame to complete the assembly of the fusion welding filter element. Compared with the existing technology, it not only reduces the tooling, but also improves the processing efficiency;

[0021] 2. Due to the setting of the rotating clamping assembly, the driving motor can drive the hollow shaft to rotate, and then drive the clamping cylinder to rotate, so that the filter rotates to a specific angle, realizing the function of automatic closing, and combined with the setting of the positioning ring, the first telescopic device and the push rod, the function of automatic assembly is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the first structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the first structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the second structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the rotary clamping assembly in the present invention.

[0026] In the figure: 1. base; 11. elastic member; 2. slider; 3. cone sleeve; 4. positioning ring; 5. first telescopic device; 6. push rod; 7. positioning shaft; 8. second telescopic device; 81. mounting bracket; 82. push rod; 9. rotating clamping assembly; 91. fixed bracket; 92. clamping cylinder; 93. clamping claw; 94. driving structure; 941. hollow rotating shaft; 942. airway assembly; 943. driving motor; 95. lifting cylinder. DETAILED DESCRIPTION

[0027] The present invention can be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right", etc. indicating directions or positional relationships, they only correspond to the drawings of the present application for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction.

[0028] Embodiment 1, in combination with the attached Figure 1-2 , a device for closing and assembling a fusion welding filter element, comprising a base 1, a slider 2 and a cone sleeve 3;

[0029] Specifically, the cone sleeve 3 can move up and down along the base 1, and the slider 2 can move radially along the base 1. There are multiple sliders 2, and preferably, the number of sliders 2 is 3-8. The cone sleeve 3 is in contact with the sliders 2; in this way, when the cone sleeve 3 moves upward, it can squeeze the slider 2, so that the slider 2 moves centripetally, and then squeeze the filter screen to complete the closing operation of the filter screen.

[0030] As needed, in order to ensure the stability of the slider 2, the top surface of the base 1 is provided with a plurality of guide grooves arranged along its radial direction at evenly spaced intervals along its circumference, and each guide groove is slidably connected to the slider 2; further, the cross-section of the guide groove can be U-shaped, inverted T-shaped or dovetail-shaped, etc., or an annular pressure plate is provided above the base 1 to limit the upward deviation of the slider 2.

[0031] According to the needs, in order to ensure that the slider 2 can be reset after the cone sleeve 3 moves downward, the base 1 is provided with an elastic member 11 for pressing the slider 2 outward along its radial direction;

[0032] Furthermore, a clearance groove is provided on the bottom surface of the slider 2 along its length direction, a fixing plate is provided at the bottom of the guide groove corresponding to the inner end of the clearance groove, and an elastic member 11 is provided on the outer end surface of the clearance groove of the fixing plate; the elastic member 11 can be a spring as needed.

[0033] Furthermore, when there is an annular pressure plate, a clearance groove can be provided on the top surface of the slider 2 along its length direction, and a fixing plate is provided on the lower plate surface of the annular pressure plate at a position corresponding to the inner end of the clearance groove, and an elastic member 11 is provided on the outer end surface of the clearance groove of the fixing plate; as needed, the elastic member 11 can be a spring.

[0034] As required, the inner side surface of the slider 2 is an arc-shaped surface, and the upper section is provided with a slope, and the setting of the slope facilitates the installation of the filter screen and the frame.

[0035] As required, the outer side surface of the slider 2 is an arc-shaped surface adapted to the tapered sleeve 3 .

[0036] The interior of the base 1 is hollow, and a coaxial positioning ring 4 is provided at the upper section of the inner cavity of the base 1, and a step for placing a retaining ring is provided on the inner surface of the positioning ring 4;

[0037] Furthermore, in order to realize the up and down movement of the cone sleeve 3, a vertical second telescopic device 8 is arranged at intervals below the base 1, and a mounting bracket 81 is provided at the telescopic end of the second telescopic device 8. The mounting bracket 81 is provided with a plurality of push rods 82 evenly spaced along its circumference, and the upper end of the push rod 82 is detachably connected to the cone sleeve 3.

[0038] As required, the second telescopic device 8 is a hydraulic cylinder.

[0039] A vertical first telescopic device 5 is provided at the bottom of the base 1, with the telescopic end of the first telescopic device 5 facing upward, and a plurality of vertically slidable push rods 6 are evenly provided at the positions corresponding to the steps of the positioning ring 4, so as to lift the retaining ring after the filter is closed to complete the assembly operation of the fusion welding filter element.

[0040] As required, the first telescopic device 5 is a cylinder.

[0041] As required, the outer edge of the step of the positioning ring 4 is slightly larger than the outer diameter of the positioning ring 4 .

[0042] During use, when closing and assembling the fusion welding filter element, first place the retaining ring on the step of the positioning ring 4, then insert the filter screen between the sliders 2, and through the upward movement of the cone sleeve 3, drive the slider 2 to move centripetally to squeeze the filter screen. After each squeezing of the filter screen, rotate the filter screen until the lower end of the filter screen is closed, and then put the skeleton on the outside of the filter screen, and then start the first telescopic device 5. The first telescopic device 5 drives the push rod 6 to rise, and the push rod 6 lifts the retaining ring, so that the retaining ring cooperates with the skeleton to complete the assembly operation of the fusion welding filter element.

[0043] Embodiment 2, combined with the attached Figure 1-2 , a device for closing and assembling a fusion welding filter element, based on the first embodiment, in order to ensure the stability of the filter screen closing and the fusion welding filter element assembly, the positioning ring 4 is provided with a positioning shaft 7 which is coaxial with it and extends upward;

[0044] When in use, the filter screen is sleeved on the shaft body of the positioning shaft 7 to ensure that the filter screen is stable when closing.

[0045] Embodiment 3, in combination with the attached Figure 3-4 , a device for closing and assembling a fusion welding filter element, based on the first or second embodiment, in order to realize the automatic rotation of the filter screen, a rotating clamping assembly 9 is provided above the base 1 at intervals, so as to adjust the filter screen angle during the closing process of the filter screen;

[0046] The rotating clamping assembly 9 includes a fixed bracket 91 disposed above the base 1, the fixed bracket 91 is rotatably connected to a clamping cylinder 92, and a clamping claw 93 is disposed on a movable portion of the clamping cylinder 92;

[0047] It also includes a driving structure 94 for driving the clamping cylinder 92 to rotate.

[0048] Furthermore, in order to prevent the air path connected to the clamping cylinder 92 from shaking significantly when the clamping cylinder 92 rotates, the driving structure 94 includes a hollow rotating shaft 941 rotatably connected to the fixed bracket 91 and coaxial with the base 1; the lower end of the hollow rotating shaft 941 is provided with the clamping cylinder 92, and the upper end is sealed and rotatably connected with an air path component 942 connected to the clamping cylinder 92;

[0049] The driving structure 94 further includes a driving motor 943 for driving the hollow rotating shaft 941 to rotate.

[0050] As required, the driving motor 943 is a servo motor or a stepping motor;

[0051] As required, the hollow rotating shaft 941 and the output shaft of the driving motor 943 are both provided with sprockets or pulleys, and the two sprockets or two pulleys are correspondingly matched through chains or belts.

[0052] This arrangement allows the clamping claws 93 to clamp the filter screen through the clamping cylinder 92 when closing. When rotation is required, the hollow shaft 941 is driven by the driving motor 943 to rotate, thereby driving the clamping cylinder 92 to rotate, so that the filter screen rotates a specific angle.

[0053] As needed, the rotating clamping assembly 9 may also include a lifting cylinder 95 for driving the fixed bracket 91 to rise and fall. The lifting cylinder 95 drives the fixed bracket 91, and finally drives the filter to rise and fall, thereby completing the function of placing in or taking out the fusion welding filter element.

[0054] During specific implementation, the base 1, the second telescopic device 2 and the lifting cylinder 95 can be fixed on a rack to ensure that the positions of the three are fixed.

[0055] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and it is intended that all changes that fall within the meaning and scope of equivalent elements are included in the present invention.

Claims

1. A device for closing and assembling a fusion welding filter element, comprising a base (1), a slider (2) and a cone sleeve (3), characterized in that: The interior of the base (1) is hollow, and a coaxial positioning ring (4) is provided at the upper section of the inner cavity of the base (1), and a step for placing a retaining ring is provided on the inner surface of the positioning ring (4); A vertical first telescopic device (5) is provided at the bottom of the base (1), the telescopic end of the first telescopic device (5) is facing upward, and a plurality of vertically slidable push rods (6) are evenly arranged at positions corresponding to the steps of the positioning ring (4), so as to facilitate lifting the retaining ring after the filter screen is closed to complete the assembly operation of the fusion welding type filter element.

2. A device for closing and assembling a fusion welding filter element according to claim 1, characterized in that: The positioning ring (4) is provided with a positioning shaft (7) which is coaxial with the positioning ring and extends upward.

3. A device for closing and assembling a fusion welding filter element according to claim 2, characterized in that: A second vertical telescopic device (8) is spaced apart below the base (1), and a mounting bracket (81) is provided at the telescopic end of the second telescopic device (8). The mounting bracket (81) is provided with a plurality of push rods (82) at even intervals along its circumference, and the upper ends of the push rods (82) are detachably connected to the cone sleeve (3).

4. The device for closing and assembling a fusion welding filter element according to claim 1, characterized in that: The top surface of the base (1) is provided with a plurality of guide slots arranged along its radial direction at evenly spaced intervals along its circumference, and each guide slot is slidably connected to the slider (2).

5. The device for closing and assembling a fusion welding filter element according to claim 1, characterized in that: The base (1) is provided with an elastic member (11) for pressing the sliding block (2) outward in its radial direction.

6. The device for closing and assembling a fusion welding filter element according to claim 4, characterized in that: The inner side surface of the sliding block (2) is an arc-shaped surface, and the upper section is provided with a slope.

7. The device for closing and assembling a fusion welding filter element according to claim 4, characterized in that: The outer side surface of the sliding block (2) is an arc-shaped surface adapted to the cone sleeve (3).

8. The device for closing and assembling a fusion welding filter element according to claim 1, characterized in that: A rotating clamping assembly (9) is provided above the base (1) at intervals to facilitate adjustment of the filter screen angle during the process of closing the filter screen.

9. A device for closing and assembling a fusion welding filter element according to claim 8, characterized in that: The rotary clamping assembly (9) comprises a fixed bracket (91) arranged above the base (1), the fixed bracket (91) is rotatably connected to a clamping cylinder (92), and a clamping claw (93) is provided on a movable part of the clamping cylinder (92); It also includes a driving structure (94) for driving the clamping cylinder (92) to rotate.

10. A device for closing and assembling a fusion welding filter element according to claim 9, characterized in that: The driving structure (94) comprises a hollow rotating shaft (941) rotatably connected to the fixed bracket (91) and coaxial with the base (1); a clamping cylinder (92) is provided at the lower end of the hollow rotating shaft (941), and an airway component (942) in communication with the clamping cylinder (92) is sealed and rotatably connected at the upper end; The driving structure (94) further comprises a driving motor (943) for driving the hollow rotating shaft (941) to rotate.

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