Scratch-proof device for installation of inner net of filter element

Abstract

The utility model discloses an anti-scraping device for mounting an inner net of a filter element. The anti-scraping device comprises a fixed table, a positioning disc, an expansion disc, a conical head rod, an air cylinder, a reset spring and a plurality of positioning pins, a through hole is formed in the middle of the fixing table and matched with the conical head rod. The positioning discs are fan-shaped discs, and a plurality of positioning pin holes are formed in the positioning discs; the expansion discs are a plurality of fan-shaped discs and are arranged in one-to-one correspondence with the positioning discs, the expansion discs are connected with the positioning discs, and the reset springs surround to form a circle and are arranged on the outer sides of the expansion discs; the air cylinder is arranged below the fixed table, and one end of the conical head rod is fixedly connected with an air cylinder telescopic rod; and the bottoms of the positioning pins are connected with the positioning pin holes in the positioning disc and are arranged into a circle. The anti-scraping device for the inner net of the filter element is mounted, so that the inner net of the filter element can be prevented from being hung, the uniformity of product quality is ensured, no repair is needed, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil separation core production auxiliary equipment technical field, concretely to a filter core inner net installation scratchproof device. BACKGROUND

[0002] The oil-gas separator is a device for separating dust, oil, impurities and compressed air in oil-gas mixture. The compressed air separated by the oil-gas separator contains very little oil (usually within 3 PPM / M3 according to the industry standard) and other impurities. The filtered compressed air is widely used in medical industry, textile industry, manufacturing industry and other industries, and different industries have different requirements for compressed air.

[0003] The oil-gas separator includes filter core inner net and outer net. In the production process, when the two surfaces are bonded, the operator needs to manually put the filter core with one bonded surface into the outer net to bond the other surface. At this time, the operator cannot observe the bonding process of the two surfaces and whether the net is hung, which may cause rework or scrap.

[0004] Therefore, it is necessary to design a filter core inner net scratchproof device with strong practicability and rapid bonding for producing filters. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a kind of filter core inner net installation scratchproof device, solve the hanging of net in the bonding process of production bonding two surfaces, to avoid the problem of rework or scrap, improve filter product quality and efficiency.

[0006] Therefore, the utility model provides the following technical scheme:

[0007] A filter core inner net installation scratchproof device, comprising a fixed table, a positioning disc, an expansion disc, a tapered rod, a gas cylinder, a return spring, and a plurality of positioning pins. The fixed table has a through hole in the middle. The through hole is matched with the tapered rod. The positioning disc is a fan-shaped disc and has a plurality of positioning pin holes. The plurality of positioning discs are arranged on the fixed table to form a ring and are movably connected to the fixed table. The ring-shaped center hole formed by the plurality of positioning discs is matched with the tapered rod. The positioning disc has a plurality of positioning pin holes. The expansion disc is a plurality of fan-shaped discs and is matched with the positioning disc one by one. The expansion disc is arranged at the edge of the ring-shaped center hole formed by the plurality of positioning discs. The side of the expansion disc close to the ring-shaped center hole is provided with an upwardly expanding inclined surface. The expansion disc is connected to the positioning disc. The return spring is arranged outside the expansion disc. The gas cylinder is arranged below the fixed table. One end of the tapered rod is fixedly connected to the telescopic rod of the gas cylinder. The other end of the tapered rod is provided with a tapered head that is large at the top and small at the bottom. The taper of the tapered head is matched with the inclined surface of the expansion disc. The bottom of the positioning pin is connected to the positioning pin hole on the positioning disc and is arranged in a circle.

[0008] The second surface bonding of the scheme is that the outer net is placed on the anti-scratching device (anti-net hanging device), the inner core is supported on the outer net cover by opening the device inner core, then the inner core is placed into the outer net, the inner net is installed on the tool inner core, and is slid into the glue injection groove at 45 degrees; during production, the outer net is placed in the middle of the filter core inner net anti-scratching device, then the telescopic rod of the cylinder is started to be retracted, the telescopic rod drives the taper head rod to move downwards, the taper head rod expands the expansion disc, the expansion disc drives the positioning plate to be expanded, the positioning plate drives the positioning pin to be expanded outward, the height position of the positioning pin is just clamped on the diameter of the inner hole flange of the outer net cover, at this time, the filter core with the bonded surface is placed into the outer net and pressed slightly, the filter core inner net will slide downwards first by the positioning pin on the positioning plate, smoothly reaches the glue groove inside the outer net cover, then the telescopic rod of the cylinder is started to be ejected, the telescopic rod drives the taper head rod to move upwards, the positioning plate and the expansion disc return to the original position under the action of the reset spring, the positioning pin also returns to the original position with the positioning plate, and finally the product is taken out.

[0009] As a preferred scheme of the utility model, the fixed table bottom is equipped with multiple fixed columns, the fixed table middle part is equipped with a cylinder fixing frame matched with a through hole, and the cylinder is connected with the cylinder fixing frame. This scheme leaves enough space at the fixed table bottom to place the cylinder.

[0010] As a preferred scheme of the utility model, the positioning disc bottom is equipped with positioning blocks, the fixed table is equipped with multiple sliding grooves matched with the positioning disc bottom positioning blocks, and the positioning blocks linearly move in the sliding grooves. The positioning block and sliding groove combined structure of this scheme are used to limit the moving direction of the positioning disc.

[0011] As a preferred scheme of the utility model, multiple positioning pin holes on the positioning disc are distributed on multiple concentric circles with different diameters with the annular center hole as the center, and the positioning pin top is equipped with a positioning cone. This scheme can be used for two surface bonding of filter core inner nets with different diameters, the concentric circle formed by the positioning pin cooperates with the outer net diameter, the concentric circle diameter is smaller than the outer net diameter when not moving, and the concentric circle expands after the positioning pin moves with the positioning plate, so that the outer net can be supported.

[0012] As a preferred scheme of the utility model, the positioning pin hole is a threaded hole, and the positioning pin bottom is equipped with a thread connected with the positioning pin hole. The threaded connection of this scheme is suitable for long-term production and processing, and can prevent the positioning pin from loosening.

[0013] As a preferred scheme of the utility model, the cylinder is equipped with a pneumatic switch, and the pneumatic switch is fixed on the fixed column. The pneumatic switch of this scheme is fixed on the fixed column, which is convenient for the operator to operate on the side.

[0014] As a preferred scheme of the utility model, the middle part of the outer side of the expansion disc is provided with a limiting groove which is concave inward. The limiting groove of the scheme is used for limiting the return spring, that is, the return spring is arranged in the limiting groove to prevent the return spring from being displaced and affecting the elastic force.

[0015] According to the process requirement, the structure of the filter element inner net scratch-proof device is designed, four vertical feet with a height of 200 mm are designed, a circular ring-shaped fixing table with a diameter of φ600*φ100 mm is arranged above the vertical feet, a 63*150 mm air cylinder is arranged below the through hole with a diameter of φ100 mm of the fixing table, the air cylinder is movable up and down, a circular ring-shaped positioning plate of a plate with a diameter of φ600*φ100 mm is reprocessed, a plurality of annular circular holes with a diameter of 10 mm are processed on the positioning plate disc according to different diameters of products, the positioning plate disc is divided into four equal parts by wire cutting and is installed on the fixing table, a plate with a diameter of φ130*φ30*H30 is processed as an expansion disc, a 45° angle with an upper part of 50 mm and a lower part of 30 mm is processed at the diameter of 30 mm, the expansion disc is evenly divided into four equal parts by radial wire cutting and is installed at the φ100 hole of the positioning plate, a reset spring with a diameter of 20 mm is wound around the φ130 annular part of the expansion disc, a tapered head rod is processed, the tapered head rod has a diameter of 50 mm at the top, a diameter of 30 mm at the bottom and a height of 30 mm, and is installed at the center of the telescopic rod of the 63*150 air cylinder, and finally a plurality of positioning pins are processed according to the size of the finished product, the positioning pin has a diameter of 10 mm and a height of 40 mm, a tapered type with a diameter of 13 mm and an angle of 45° is formed at the height of 28 mm, and the positioning pin is installed on the positioning plate.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] By installing the filter element inner net scratch-proof device, 100% of the filter element inner nets can be prevented from being hung, the product quality is ensured to be uniform, no repair is needed, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a top view structural schematic view of the utility model.

[0019] Fig. 2 It is an internal structure schematic view of the utility model.

[0020] Fig. 3 It is a structure separation schematic view of the utility model.

[0021] In the drawing: 1, fixing table 2, positioning disc 3, expansion disc 4, tapered head rod

[0022] 5, air cylinder 6, reset spring 7, positioning pin 8, through hole

[0023] 9, positioning pin hole 10, annular center hole 11, inclined arc surface

[0024] 12, tapered head 13, fixed column 14, air cylinder fixing frame

[0025] 15. The pneumatic switch 16, limit slot. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Please refer to Figs. 1-3 ,

[0028] The utility model discloses a filter core inner net installation scratchproof device, including fixed platform 1, positioning disc 2, expansion disc 3, cone head rod 4, pneumatic cylinder 5, reset spring 6, a plurality of positioning pin 7, fixed platform 1 middle part is equipped with through -hole 8, and through -hole 8 is cooperated with cone head rod 4 and is set up, positioning disc 2 is fan -shaped disc and is equipped with a plurality of, a plurality of positioning disc 2 is formed annularly and is movablely connected with fixed platform 1 respectively on fixed platform 1, and the annular center hole formed by a plurality of positioning disc 2 is cooperated with cone head rod 4 and is set up, and a plurality of positioning pin hole 9 is equipped on positioning disc 2, expansion disc 3 is a plurality of fan -shaped disc and is set up one by one with positioning disc 2, and expansion disc 3 is equipped at the edge of annular center hole 10 formed by a plurality of positioning disc 2, and the side of expansion disc 3 close to annular center hole 10 is equipped with the inclined surface 11 that enlarges upwards, and expansion disc 3 is connected with positioning disc 2, and reset spring 6 is surrounded and is equipped on the outside of expansion disc 3, pneumatic cylinder 5 is equipped under fixed platform 1, one end of cone head rod 4 is fixedly connected with the telescopic rod of pneumatic cylinder 5, and the other end of cone head rod 4 is equipped with the taper head 12 of big up small, and the taper head 12 gradient is cooperated with the inclined surface 11 of expansion disc 3 and is set up, the bottom of positioning pin 7 is connected with the positioning pin hole 9 on positioning disc 2 and is arranged into a ring, and through -hole 8 and annular center hole 10 are coaxial circles.

[0029] Fixed platform 1 bottom is equipped with a plurality of fixed stand 13, and fixed platform 1 middle part is equipped with pneumatic cylinder fixed frame 14 with through -hole 8 cooperation, and pneumatic cylinder 5 is connected with pneumatic cylinder fixed frame 14.

[0030] The bottom of positioning disc 2 is equipped with positioning block, and fixed platform 1 is equipped with a plurality of sliding grooves matched with the positioning block of the bottom of positioning disc 2, and the positioning block moves linearly in the sliding groove.

[0031] A plurality of positioning pin holes 9 on positioning disc 2 are distributed on a plurality of concentric circles with different diameters with annular center hole 10 as the center, and the top of positioning pin 7 is equipped with a positioning cone.

[0032] Positioning pin hole 9 is a threaded hole, and the bottom of positioning pin 7 is equipped with a thread connected with the thread of positioning pin hole 9.

[0033] The cylinder 5 is provided with a pneumatic switch 15 fixed on the fixed column 13.

[0034] The middle part of the outer side of the expansion disc 3 is provided with a limiting groove 16 concaved inward.

[0035] The working principle and use process of the utility model are as follows: during production, the outer net is placed in the middle of the filter core inner net scratch-proof device, outside the circle formed by the positioning pin 7, then the telescopic rod of the cylinder 5 is started to retract, the telescopic rod drives the taper head rod 4 to move downward, the taper head rod 4 spreads the expansion disc 3, the expansion disc 3 drives the positioning plate 2 to spread together, the positioning plate 2 drives the positioning pin 7 to spread outward, until the height position of the positioning pin 7 is just clamped on the diameter of the inner hole flange of the outer net cover, at this time, the filter core with one side adhered is placed in the outer net and pressed slightly, the filter core inner net will slide downward first and fall on the positioning pin 7 on the positioning plate 2, successfully reaches the inside of the outer net cover glue groove, then the telescopic rod of the cylinder 5 is started to eject, the telescopic rod drives the taper head rod 4 to move upward, the positioning plate 2 and the expansion disc 3 return to the original position under the action of the reset spring 6, the positioning pin 7 also returns to the original position together with the positioning plate 2, finally the product is taken out.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A scratch prevention device for installing an inner screen of a filter cartridge, characterized by: Including fixed platform, positioning disc, expansion disc, cone head rod, cylinder, reset spring, several positioning pins; The middle part of the fixed platform is provided with a through hole, and the through hole is matched with the cone head rod; The positioning disc is a fan-shaped disc and is provided with a plurality of positioning discs, the plurality of positioning discs are arranged on the fixed platform to form a ring and are movably connected with the fixed platform, a center hole of the ring formed by the plurality of positioning discs is matched with the cone head rod, and the positioning disc is provided with a plurality of positioning pin holes; The expansion disc is a plurality of fan-shaped discs and is matched with the positioning disc one by one, the expansion disc is arranged at the edge of the center hole of the ring formed by the plurality of positioning discs, the side of the expansion disc close to the center hole of the ring is provided with an upwardly enlarged inclined arc surface, the expansion disc is connected with the positioning disc, and the reset spring is arranged outside the expansion disc. The cylinder is arranged below the fixed platform, one end of the cone head rod is fixedly connected with the telescopic rod of the cylinder, the other end of the cone head rod is provided with a tapered head with a large upper part and a small lower part, and the taper of the tapered head is matched with the inclined arc surface of the expansion disc. The bottom of the positioning pin is connected with the positioning pin hole on the positioning disc and is arranged in a circle.

2. The anti-scratch device for installing the inner net of a filter cartridge according to claim 1, characterized in that: The bottom of the fixed platform is provided with a plurality of fixed columns, the middle part of the fixed platform is provided with a cylinder fixing frame matched with the through hole, and the cylinder is connected with the cylinder fixing frame.

3. The anti-scratch device for installing the inner screen of a filter cartridge according to claim 1, characterized in that: The bottom of the positioning disc is provided with a positioning block, the fixed platform is provided with a plurality of sliding grooves matched with the positioning block at the bottom of the positioning disc, and the positioning block moves linearly in the sliding groove.

4. The anti-scratch device for installing the inner screen of a filter cartridge according to claim 1, characterized in that: The plurality of positioning pin holes on the positioning disc are distributed on the circumferences of a plurality of concentric circles with different diameters and with the center hole as the center, and the top of the positioning pin is provided with a positioning cone.

5. A scratch prevention device for installing an inner screen of a filter cartridge according to claim 4, characterized in that: The positioning pin hole is a threaded hole, and the bottom of the positioning pin is provided with a thread matched with the thread of the positioning pin hole.

6. The anti-scratch device for installing the inner screen of a filter cartridge according to claim 2, characterized in that: The cylinder is provided with a pneumatic switch, and the pneumatic switch is fixed on the fixed column.

7. The anti-scratch device for installing the inner net of a filter cartridge according to claim 1, characterized in that: The middle part of the outer side of the expansion disc is provided with a limiting groove recessed inward.

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