CN218785159U

CN218785159U - Edge sealing and locking device of filter layer for filter element

Info

Publication number: CN218785159U
Application number: CN202222412296.0U
Authority: CN
Inventors: 秦云朋; 郭静; 任树兰; 鲁小莹
Original assignee: Xinxiang Aviation Industry Group Co Ltd
Current assignee: Xinxiang Aviation Industry Group Co Ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-04-04
Anticipated expiration: 2032-09-09

Abstract

A sealing and locking device of a filter layer for a filter element comprises a lower template, a middle template, an upper template and a V-shaped cutter, wherein the V-shaped cutter is connected to a linear motion mechanism, the middle template is in floating connection with the lower template through a guide pillar and a spring, and a manual clamp and a main cylinder are arranged above the upper template; a folding structure is arranged between the middle template and the upper template, and a bending structure is arranged between the middle template and the lower template; the hem structure is used for carrying out the hem to the limit portion of filtering layer, and V type cut sword is used for carrying out the V type to the hem and bends, and the structure of buckling is used for bending the V type and carries out the pressfitting. The edge sealing and locking device can replace manpower to carry out edge sealing and locking on the filtering layer, eliminates the interference of human factors, improves the processing efficiency and meets the requirements of batch production. The edge sealing and locking device can accurately control the shape and size of the edge sealing and locking port to obtain the metal filter layer with good consistency and stable quality.

Description

Edge sealing and locking device of filter layer for filter element

Technical Field

The utility model relates to a hydraulic component field especially relates to a filter metal filter's banding fore shaft device to and device's application method.

Background

The filter is widely applied to the hydraulic field, the filter contains various metal filter elements, and the filter layer of each metal filter element is formed by combining multiple layers of metal nets. As shown in fig. 1, a rectangular metal filter element needs to perform edge sealing and opening locking on the side edge of the filter layer 12, and after the edge sealing and opening locking, the two side hems of the filter element 12 are required to be arranged regularly in a V shape. However, the metal mesh has high hardness, the steel wires are easy to disperse, and the hems are more. In addition, the requirement on the length after edge sealing is high in process, and the processing difficulty is high.

According to the traditional processing technology, each corrugation of the filtering layer needs to be extruded manually by adopting a poking knife, so that the corrugated filtering layer is in a V-shaped deformation after being extruded, and then is fixed by a tool and then is formed by punching under a press machine. Because the unstable factor of manual extrusion is more, the banding fore shaft effect of filtering layer is uncontrollable, often needs to revise repeatedly. In addition, the uniformity of the size of the filtering layer is poor, each corrugation of the filtering layer needs to be manually extruded, the workload is large, the efficiency is low, and the requirement of normal production cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the background art, the utility model discloses a banding fore shaft device of filtering layer for filter core, its aim at: the edge sealing and locking device is high in machining efficiency, good in precision control and stable and reliable in quality, and meets the requirement for batch machining of the edge sealing and locking of the filter layer.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a sealing and locking device of a filter layer for a filter element comprises a lower template, a middle template, an upper template and a V-shaped cutter, wherein the V-shaped cutter is connected to a linear motion mechanism, the middle template is in floating connection with the lower template through a guide pillar and a spring, and a manual clamp and a main cylinder are arranged above the upper template; a flanging structure is arranged between the middle template and the upper template, and a bending structure is arranged between the middle template and the lower template; the hem structure is used for carrying out the hem to the limit portion of filtering layer, and V type cut sword is used for carrying out the V type to the hem and bends, and the structure of buckling is used for bending the V type and carries out the pressfitting.

The technical scheme is further improved, the improved structure further comprises a bottom plate, and the lower template, the manual clamp and the linear motion mechanism are fixed on the floor.

Further improves the technical proposal that the linear motion mechanism is a rodless cylinder.

The technical scheme is further improved, a frame body is fixed on the bottom plate, and the main cylinder is fixed on the frame body.

Further improves the technical proposal that the included angle of the tool nose of the V-shaped scriber is 30-40 degrees.

Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:

the edge sealing and locking device can replace manual work to carry out edge sealing and locking on the filter layer, eliminates interference of human factors, improves the processing efficiency and meets the requirements of batch production.

The edge sealing and locking device can accurately control the shape and size of the edge sealing and locking port to obtain the metal filter layer with good consistency and stable quality.

Drawings

Fig. 1 shows a schematic edge sealing and locking of a filter layer.

Fig. 2 shows a schematic structural diagram of the edge sealing and locking device.

Fig. 3 is a schematic structural diagram of the lower template, the middle template and the upper template.

Fig. 4 shows a schematic view of crimping a filter layer.

Fig. 5 shows a schematic view of a V-bend of the filter layer.

Fig. 6 shows a schematic view of the filter layer being bent.

In the figure: 1. a base plate; 2. a lower template; 3. a middle template; 4. mounting a template; 5. manually clamping; 6. a master cylinder; 7. a V-shaped cutter; 8. a rodless cylinder; 9. a frame body; 10. a guide post; 11. a spring; 12. a filtering layer; 13. a fixing plate; 14. a tool holder; 15. cushion blocks; 16. and (4) pressing head.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, but do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

An edge sealing and locking device of a filter layer for a filter element is shown in fig. 2 and comprises a bottom plate 1, a lower template 2, a middle template 3, an upper template 4 and a V-shaped cutter 7, and the structure and the function of the edge sealing and locking device are specifically described below.

The lower template 2 is fixed on the bottom plate 1, and the middle template 3 and the upper template 4 are respectively positioned above the lower template 2. A frame body 9 is further fixed on the bottom plate 1, a main air cylinder 6 is fixed on the frame body 9, the head end of the rod of the main air cylinder 6 is connected with a pressure head 16, and the pressure head 16 is used for pressing the upper template 4. A pair of manual clamps 5 are respectively arranged at the front side and the rear side of the upper template 4, and the manual clamps 5 are fixed on the bottom plate 1 through cushion blocks 15. A pair of rodless cylinders 8 are respectively arranged on the left side and the right side of the upper template 4, a tool rest 14 is installed on a sliding body of each rodless cylinder 8, a V-shaped scriber 7 is installed on the tool rest 14, and the included angle of the tool tips of the V-shaped scribers 7 is 30 degrees. After the rodless cylinder 8 is ventilated, the sliding body can drive the V-shaped scriber 7 to horizontally slide. One end of the bottom plate 1 is provided with a sliding chute, the rodless cylinder 8 is connected to a fixed plate 13, and the fixed plate 13 can move left and right along the sliding chute. This enables the distance of the V-shaped scriber 7 from the upper die plate 4 to be adjusted.

As shown in fig. 3-6, a pair of guide post holes are provided on the bottom plate 1 and the lower template 2, a pair of guide posts 10 are provided on the middle template 3, and the middle template 3 is connected with the lower template 2 in a floating manner through the guide posts 10 and the springs 11. The upper template 4 is provided with a pressing groove, the middle template 3 is provided with a convex block corresponding to the pressing groove, and a folding structure is formed between the pressing groove and the convex block. The lower bottom surface of the bump is provided with an inclined surface, the upper surface of the lower template 2 is also provided with an inclined surface, and the two inclined surfaces form a bending structure.

In operation, as shown in fig. 4, the filter layer 12 is first placed between the middle and

upper die plates

3 and 4 and aligned with the upper die plate 4, and then the upper and

middle die plates

4 and 3 are aligned by the positioning pins. In order to avoid scratching of the filter layer 12, a sheet of paper may be placed between the filter layer 12 and the upper mold plate 4 for protection. And then, applying pre-pressure to the upper template 4 by using the manual clamp 5, so that the edge folding structures on the middle template 3 and the upper template 4 fold the side edges of the filter layer 12. The manual clamp 5 can provide a pre-pressure of around 2000N which enables the folding of the sides of the filter layer 12.

As shown in fig. 5, the V-shaped cutting blade 7 slides horizontally under the driving of the rodless cylinder 8, so that the folded edge of the filter layer 12 is bent inward in a V-shape. Specifically, the diameter of the rodless cylinder 8 is 30mm, the driving air pressure is 0.6MPa, and the rodless cylinder 8 drives the V-shaped cutting knife 7 to slide at a constant speed, so that the filter layer 12 deforms in a V-shaped regular manner. The depth of the V-shaped bend is 4mm, and the height is 3mm.

As shown in fig. 6, the main cylinder 6 is ventilated, the air pressure is 0.6MPa, the main cylinder 6 acts on the upper template 4 through the pressure head 16, so that the upper template 4, the middle template 3 and the lower template 2 are pressed together, at this time, the middle template 3 moves downwards through the guide pillar 10, so that the spring 11 is compressed, and the bending structure between the middle template 3 and the lower template 2 bends the V-shaped bend, so that the opening of the V-shaped bend is reduced. Specifically, the cylinder diameter of the main cylinder 6 is 100mm, 4700N pressure can be provided at the maximum, the pressure can press the folded edge into a required edge sealing and locking shape, and the middle part of the filter screen can be solidified and molded. In this embodiment, the middle portion of the screen is a flat surface. According to the design requirement, the middle part of the filter screen can also be a curved surface, and the press groove on the upper template 4 and the convex block on the middle template 3 are designed into curved surfaces.

And finally, taking the filter layer 12 subjected to edge sealing and locking from the middle template 3, clamping the edge sealing and locking in an edge sealing ring sleeve, and putting the edge sealing and locking in a press machine for pressing to obtain a finished product of the filter layer 12.

The details of which are not described in the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a banding fore shaft device of filter layer for filter core, characterized by: the device comprises a lower template, a middle template, an upper template and a V-shaped scriber, wherein the V-shaped scriber is connected to a linear motion mechanism, the middle template is in floating connection with the lower template through a guide pillar and a spring, and a manual clamp and a main cylinder are arranged above the upper template; a folding structure is arranged between the middle template and the upper template, and a bending structure is arranged between the middle template and the lower template; the hem structure is used for carrying out the hem to the limit portion of filtering layer, and V type cut sword is used for carrying out the V type to the hem and bends, and the structure of buckling is used for bending the V type and carries out the pressfitting.

2. An edge sealing and locking device for a filter layer of a filter element as claimed in claim 1, wherein: the lower template, the manual clamp and the linear motion mechanism are fixed on the floor.

3. An edge sealing and locking device for a filter layer of a filter element as claimed in claim 2, wherein: the linear motion mechanism is a rodless cylinder.

4. An edge banding and locking device for a filter layer of a filter cartridge as claimed in claim 2, wherein: a frame body is fixed on the bottom plate, and the main cylinder is fixed on the frame body.

5. An edge sealing and locking device for a filter layer of a filter element as claimed in claim 1, wherein: the included angle of the tool nose of the V-shaped scriber is 30-40 degrees.