CN214972205U

CN214972205U - Net changer

Info

Publication number: CN214972205U
Application number: CN202120944639.0U
Authority: CN
Inventors: 张福明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-12-03
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a trade net ware, it is including trading net ware main part and wearing to locate the slide in the main part, be provided with two at least filter plate holes on the slide, be equipped with the filter screen draw-in groove in the feed inlet side on the perforated plate, filter screen card inslot card is equipped with the filter screen, the area of filter screen is greater than the feed inlet, the area of discharge gate, make the fluid passage in the main part be the flaring structure in slide feed inlet side, be the throat structure in slide discharge side, the realization is through increasing filter screen area, make the fluid flaring get into, the binding off flows, form cushioning effect in the fluid passage, avoid causing too big fluctuation to the fluid, a structure is simple, and reasonable design, therefore, the clothes hanger is strong in practicability.

Description

Net changer

Technical Field

The utility model relates to a fuse-element filter screen changes equipment technical field, especially relates to a fluid pressure oscillation's trade net ware when reducing to trade the net.

Background

The screen changer is a manual or automatic switching device comprising one or more screens for filtering out foreign particles and impurities when the flow of plasticized material is filtered through the screens. The filter screen is arranged on a plate-type or column-type carrier, the carrier moves to switch the filter screen between a working position and an off-line non-working position, and the filter screen can be arranged on an extruder, a melt pump, a reactor or other extrusion production lines to filter polymer, rubber and other melts.

Trade the wire stitcher because the filtering action of filter screen, can cause the pressure differential between feed inlet and discharge gate, and current trade wire stitcher filter screen area generally unanimously with the business turn over material mouth size of trading the wire stitcher, like the public utility model discloses a trade the wire stitcher of bulletin number CN 210525798U that 5 month 15 days are published in 2020 year, because the filter screen and the blocking effect of filter material, can cause the pressure differential between trade wire stitcher feed inlet and discharge gate too big, trade the net after, fluid pressure fluctuation influences equipment operation and product quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a trade wire stitcher through increase filter area, can effectively reduce fluidic pressure fluctuation.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes: the utility model provides a trade screen cloth ware, is including trading the screen cloth ware main part and wearing to locate the slide in the main part, and the slide passes through actuating mechanism drive its and slides in the main part, and the main part both sides are feed inlet and discharge gate respectively, are fluid passage between feed inlet and discharge gate, be provided with two at least filter plate holes on the slide, the downthehole perforated plate that is provided with of filter, filter downthehole wall and perforated plate lateral wall have matched with card platform structure, and filter downthehole wall and perforated plate lateral wall tang cooperation are equipped with the filter screen draw-in groove in the feed inlet side on the perforated plate, and the card is equipped with the filter screen in the filter screen card groove, and the area of filter screen is greater than the area of feed inlet, discharge gate, makes the fluid passage in the main part be the flaring structure in slide feed inlet side, is the throat structure in slide discharge side.

The utility model discloses an increase filter screen area, make the fluid flaring get into, the binding off flows, forms cushioning effect in fluid passage to through increase filter area, make the fluid can pass through fast, avoid forming too big pressure differential between the feed inlet side of slide and the discharge gate side, and make the slide fast through actuating mechanism, change the filter screen that corresponds with fluid passage, thereby avoid causing too big fluctuation to the fluid.

The two ends of the sliding plate are provided with limiting end plates matched with the main body, the sliding plate is limited through the limiting end plates, when the filter screen is replaced, the sliding plate can be quickly and accurately positioned, the filter screen is enabled to correspond to the fluid channel, and the screen replacing efficiency and the screen replacing effect are improved.

The driving mechanism is a hydraulic cylinder or an air cylinder arranged at one end of the sliding plate.

The filter screen draw-in groove is including the first inclined plane portion of locating its feed inlet side tip, and first inclined plane portion makes perforated plate feed side be flaring structure, and first inclined plane portion inwardly extends has second inclined plane portion, and second inclined plane portion makes its perforated plate department that corresponds be binding off structure, the filter screen joint is in the binding off structure that second inclined plane portion formed.

The filter screen includes with binding off structure complex loop forming element and the filter screen of setting on the loop forming element, and the filter screen can adopt metal finished piece or high temperature resistant plastic part, through the guide of first inclined plane portion, pack into binding off structure more easily in, the joint is spacing in binding off structure, and its week side contacts closely with the side of second inclined plane portion and perforated plate simultaneously, avoids fluid to flow from its fit clearance and leaks, ensures filterable reliability.

Fluid pressure sensors are respectively arranged on two sides of the sliding plate in the fluid channel, the stability of the fluid pressure can be further improved and guaranteed by monitoring the fluid pressure on two sides of the sliding plate, when the pressure difference on two sides reaches a set pressure difference, the net is changed, the fluid pressure is controlled within a certain range, and the fluid pressure fluctuation is reduced.

And a sealing mechanism is arranged between the two sides of the sliding plate and the main body.

Sealing mechanism is including setting up in the first sealed clamping ring of slide feed inlet side and setting up the sealed clamping ring of second in slide discharge outlet side, the sealed clamping ring of second one side and slide crimping, opposite side and gland nut crimping, gland nut and main part threaded connection, the gland nut center is the discharge gate. Two sides of the sliding plate are pressed by the two sealing press rings to form a bilateral sealing mechanism, so that the sliding plate is hermetically connected with the main body.

First sealed clamping ring one side and slide crimping, a plurality of spring holes have been laid to the opposite side, all are provided with the spring with the main part crimping in each spring hole, through the cooperation of spring and first sealed clamping ring, make first sealed clamping ring elasticity crimping on the slide, both ensure sealed good, avoid again pressing the slide too tightly and unable slip.

Gland nut with be provided with the cooperation tang between the main part, fix a position gland nut through the cooperation tang, make its pressure to the sealed clamping ring of second just make two sealed clamping rings form good sealed effect to the slide, avoid pressure too big to cause the slide card to die can't realize trading the net, simultaneously, also avoid causing liquid to leak because of the pressure undersize.

The utility model discloses simple structure, reasonable in design has effectively alleviated and has reduced the great problem of fluid pressure fluctuation that the net ware traded the net and caused, the steady operation of the production facility of being convenient for and guarantee product quality's stability, and the practicality is strong, excellent in use effect.

Drawings

The invention will be further described with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic cross-sectional structure of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Detailed Description

The specific structure of the present invention will be further described with reference to the following specific embodiments. The following examples are preferred embodiments.

Referring to fig. 1-3, a screen changer comprises a screen changer main body 1 and a sliding plate 2 penetrating through the main body 1, wherein a support 3 is arranged on one side of the main body 1, a driving mechanism 4 such as a hydraulic cylinder or an air cylinder is arranged on the support 3, one end of the sliding plate 2 is driven by the driving mechanism 4 to slide in the main body 1 in a reciprocating manner, a limiting end plate 21 is arranged at the side of the main body 1 at the two ends of the sliding plate 2, the sliding plate 2 is limited and positioned by the limiting end plate 21, a feed port 11 and a discharge port 12 are respectively arranged at the two sides of the main body 1, a fluid channel 13 is formed by communicating the feed port 11 with the discharge port 12, at least two filter plate holes 22 are arranged on the sliding plate 2, a porous plate 6 is arranged in each filter plate hole 22, clamping structures 26 are arranged on the inner walls of the filter plate holes 22 and the side walls of the porous plate 6, the inner walls of the filter plate holes 22 and the side walls of the porous plate 6 are positioned in a matching manner, a filter screen clamping groove 61 is arranged on the side of the feed port of the porous plate 6, filter screen draw-in groove 61 inside callipers is equipped with filter screen 5, the area of filter screen 5 is greater than feed inlet 11, the area of discharge gate 12, make fluid passage 13 in main part 1 be the flaring structure in slide 2 feed side, be the throat structure in slide 2 discharge side, make fluid passage 13 be the big waist of drum structure in the middle of the both ends is little, increase filter screen area on the one hand, on the other hand forms cushioning effect to the fluid, avoid forming too big pressure differential between slide 2's feed inlet side and discharge gate side, and make slide 2 slide fast through actuating mechanism 4, change the filter screen 5 that corresponds with fluid passage 13, thereby avoid causing too big fluctuation to the fluid.

Referring to fig. 2 and 3, the filter screen clamping groove 61 includes a first inclined plane portion 611 disposed at the end of the feed port side, the first inclined plane portion 611 makes the feed side of the porous plate 6 be in a flaring structure, the first inclined plane portion 611 extends inward to form a second inclined plane portion 612, the second inclined plane portion 612 makes the corresponding porous plate be in a closing structure, the filter screen 5 is clamped in the closing structure formed by the second inclined plane portion 612, the filter screen 5 includes a ring member matched with the closing structure and a filter screen disposed on the ring member, in the figure, the filter screen may be made of metal or high temperature resistant plastic, and is guided by the first inclined plane portion 611 to conveniently slide into the closing structure, and is clamped and limited in the closing structure, and the peripheral side of the filter screen is simultaneously in close contact with the second inclined plane portion 621 and the side of the porous plate 6, so as to prevent fluid from leaking from the matching gap, and ensure the reliability of filtering.

Fluid pressure sensors (not shown) are respectively arranged on two sides of the sliding plate 2 in the fluid channel 13, and the stability of the fluid pressure can be further improved and ensured by monitoring the fluid pressure on two sides of the sliding plate 2, so that the fluid pressure is controlled within a certain range, and the fluid pressure fluctuation is reduced.

Set up sealing mechanism between 2 both sides of slide and main part, sealing mechanism is including setting up in the first sealed clamping ring 71 of 2 feed inlets sides of slide and setting up the sealed clamping ring 72 of second in 2 discharge outlets sides of slide, the sealed clamping ring 73 one side of second and the 2 crimping of slide, opposite side and gland nut 74 crimping,

gland nut

74 and 1 threaded connection of main part, and gland nut 74 center is discharge gate 12, gland nut 74 with be provided with the cooperation tang 75 between 1 of main part, fix a position gland nut 74 through cooperation tang 75, make its pressure to the sealed clamping ring 72 of second just make two sealed clamping rings form good sealing action to slide 2, avoid pressure too big to cause the slide card to die unable realization of trading net, simultaneously, also avoid causing liquid leakage because of pressure. First sealed clamping ring 71 one side and 2 crimping of slide, a plurality of spring holes have been laid to the opposite side, all are provided with the spring 73 with the main part crimping in each spring hole, through the cooperation of spring 73 with first sealed clamping ring 71, make first sealed clamping ring 71 elasticity crimping on slide 2, both ensure sealed good, avoid again pressing slide 2 too tightly and can't slide. Two sealing

press rings

71 and 72 are pressed on two sides of the sliding plate to form a double-side sealing mechanism, so that the sliding plate 2 is hermetically connected with the main body 1.

The above embodiments only describe some embodiments of the present invention, and the present invention is not limited by the above embodiments, and the present invention can also have various changes, equivalent replacements and improvements without departing from the spirit and scope of the present invention, and these changes, equivalent replacements and improvements all fall into the protection scope of the present invention.

Claims

1. The utility model provides a trade wire stitcher, is including trading the wire stitcher main part and wearing to locate the slide in the main part, and the slide slides in the main part through actuating mechanism drive it, and the main part both sides are feed inlet and discharge gate respectively, are fluid passage, its characterized in that between feed inlet and discharge gate: be provided with two at least filter plate holes on the slide, the downthehole perforated plate that is provided with of filter, filter downthehole wall and perforated plate lateral wall have matched with card platform structure, and filter downthehole wall and perforated plate lateral wall tang cooperation are equipped with the filter screen draw-in groove in the feed inlet side on the perforated plate, and the card is equipped with the filter screen in the filter screen draw-in groove, and the area of filter screen is greater than the area of feed inlet, discharge gate, makes the fluid passage in the main part be the flaring structure in slide feed side, be the throat structure in slide discharge side.

2. The screen changer of claim 1, wherein: and two ends of the sliding plate are provided with limiting end plates matched with the main body.

3. The screen changer of claim 1, wherein: the driving mechanism is a hydraulic cylinder or an air cylinder arranged at one end of the sliding plate.

4. The screen changer of claim 1, wherein: the filter screen draw-in groove is including the first inclined plane portion of locating its feed inlet side tip, and first inclined plane portion makes perforated plate feed side be flaring structure, and first inclined plane portion inwardly extends has second inclined plane portion, and second inclined plane portion makes its perforated plate department that corresponds be binding off structure, the filter screen joint is in the binding off structure that second inclined plane portion formed.

5. The screen changer of claim 4, wherein: the filter screen includes the loop forming element and the filter screen of setting on the loop forming element that cooperate with binding off structure.

6. The screen changer of claim 1, wherein: and fluid pressure sensors are respectively arranged on two sides of the sliding plate in the fluid channel.

7. The screen changer of claim 1, wherein: and a sealing mechanism is arranged between the two sides of the sliding plate and the main body.

8. The screen changer of claim 7, wherein: sealing mechanism is including setting up in the first sealed clamping ring of slide feed inlet side and setting up the sealed clamping ring of second in slide discharge outlet side, the sealed clamping ring of second one side and slide crimping, opposite side and gland nut crimping, gland nut and main part threaded connection.

9. The screen changer of claim 8, wherein: one side of the first sealing compression ring is in compression joint with the sliding plate, a plurality of spring holes are distributed in the other side of the first sealing compression ring, and springs in compression joint with the main body are arranged in the spring holes.

10. The screen changer of claim 8, wherein: and a matching spigot is arranged between the compression nut and the main body.