CN217043350U - Concrete square hole sandstone sieve - Google Patents

Abstract

The application belongs to the technical field of the grit screening, discloses concrete square hole grit sieve, including the work box, work box top fixedly connected with fixed plate, install the sieve tray through fixed establishment on the fixed plate, fixed establishment's quantity is three groups at least and is the even setting of linear array, work box top surface symmetry is provided with two dwangs, dwang top lateral surface set up screw thread, fastening nut has been cup jointed to the screw thread on the dwang, fixed plate top surface fixedly connected with backup pad, backup pad bottom surface fixedly connected with and the apron that the sieve tray size of a dimension is the same. This application utilizes reset spring's reset action through setting up fixed plate and a plurality of fixed establishment on the work box, fixes the connecting block between upper junction plate and lower connecting plate to fix the sieve tray on the fixed plate, realize the quick fixed and stable installation of sieve tray, conveniently change the sieve tray simultaneously, reduced intensity of labour, improved work efficiency.

Description

Concrete square hole sandstone sieve

Technical Field

The application belongs to the technical field of the grit screening, especially, relate to concrete square hole grit sieve.

Background

The new standard inspection sieve integrates powder grading and liquid filtering, and is suitable for the accurate analysis of particle size structure and liquid solid content and impurity content in laboratory and quality inspection room.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when the existing square hole sand-stone sieve is used, fastening bolts are usually adopted to install and fix the sieve tray, so that the sieve tray is inconvenient to disassemble, the working strength is increased, and the improvement of the working efficiency is not facilitated.

To this end, we have provided concrete square hole sand screens to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve the problem that the sieve tray that exists is not convenient for load and unload among the prior art, and the concrete square hole grit sieve that provides.

In order to achieve the above purpose, the present application provides the following technical solutions: concrete square hole grit sieve, including the work box, work box top fixedly connected with fixed plate, install the sieve tray through fixed establishment on the fixed plate, fixed establishment's quantity is three group at least and is the linear array and evenly sets up, work box top symmetry is provided with two dwangs, dwang top lateral surface is threaded, fastening nut has been cup jointed to the screw thread on the dwang, fixed plate top surface fixedly connected with backup pad, backup pad bottom surface fixedly connected with and sieve tray size of a dimension the same apron, fastening nut butt in the apron side, the apron bottom surface is laminated with the top surface of sieve tray mutually with the superiors.

Through set up fixed establishment on the fixed plate for the multilayer screen tray is convenient for install and dismantle, has reduced intensity of labour, helps improving work efficiency.

Preferably, the fixing mechanism comprises an upper connecting plate and a lower connecting plate which are fixedly connected to the outer side surface of the fixing plate, the upper connecting plate is connected with a limiting rod in a sliding penetrating mode, a rectangular groove is formed in the fixing plate, a sliding rod is fixedly connected to the inner side of the rectangular groove, a sliding plate is sleeved on the outer side surface of the sliding rod in a sliding mode, the top end of the limiting rod is fixed to the bottom surface of the sliding plate, and a reset spring is sleeved on the outer side surface of the sliding rod above the sliding plate.

Through setting up fixed establishment, utilize reset spring's reset effect, pass the connecting block of connection at the screen tray lateral wall with the gag lever post.

Preferably, the upper connecting plate and the lower connecting plate are arranged in parallel, and the lower connecting plate is provided with a limiting hole for the limiting rod to pass through.

Through setting up upper junction plate and lower connecting plate, be convenient for insert the establishment to the gag lever post to fix the connecting block between upper junction plate and lower connecting plate.

Preferably, the outer side surface of the sieve tray is fixedly connected with a connecting block, and the outer side surface of the limiting rod is movably sleeved with the connecting block.

Through setting up the connecting block, conveniently install the sieve tray.

Preferably, the fixed slot has been seted up to the work box top surface, fixedly connected with dead lever in the fixed slot, the dwang bottom is rotated and is cup jointed at the dead lever lateral surface.

Through setting up fixed slot and dead lever for the dwang can rotate the setting at the work box top, is convenient for carry out the centre gripping to the sieve tray.

Preferably, the top surface of the rotating rod is fixedly connected with a limiting block.

Through setting up the stopper, play limiting displacement, prevent that fastening nut slippage from going out the dwang top.

Preferably, the semicircular clamping grooves used for being matched with the rotating rod are symmetrically formed in the cover plate and the outer side surface of the sieve tray.

Through setting up the semicircle draw-in groove, make things convenient for the dwang card to go into to press from both sides a plurality of sieve trays tight fixed.

Preferably, the top surface of the cover plate is provided with a feed inlet, the feed inlet is connected with a threaded plug in a threaded manner, and the top surface of the threaded plug is fixedly connected with a handle.

Through setting up screw stopper and handle, conveniently open the feed inlet, be convenient for load the material.

Compared with the prior art, the beneficial effect of this application is:

1. this application utilizes reset spring's reset action through setting up fixed plate and a plurality of fixed establishment on the work box, fixes the connecting block between upper junction plate and lower connecting plate to fix the sieve tray on the fixed plate, realize the quick fixed and stable installation of sieve tray, conveniently change the sieve tray simultaneously, reduced intensity of labour, improved work efficiency.

2. This application utilizes the dwang that two symmetries set up through setting up fixed slot, dead lever, dwang and fastening nut on the work box, presss from both sides a plurality of sieve trays tightly to it is fixed with dwang and apron through revolving wrong fastening nut, thereby makes the fixed more firm to the sieve tray, has strengthened the stability of sieve tray.

Drawings

FIG. 1 is a schematic view of the overall structure of a concrete square hole sand screen provided by the present application;

FIG. 2 is a partial schematic structural view of a concrete square hole sand screen proposed in the present application;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 4 is a schematic structural diagram of a sieve tray and a connecting block in the concrete square-hole sand sieve provided by the application.

In the figure: 1. a work box; 2. a fixing plate; 3. an upper connecting plate; 4. a lower connecting plate; 5. a limiting rod; 6. a rectangular groove; 7. a slide bar; 8. a return spring; 9. a sliding plate; 10. a sieve tray; 11. connecting blocks; 12. fixing grooves; 13. a fixing rod; 14. rotating the rod; 15. a limiting block; 16. a support plate; 17. a threaded plug; 18. a handle; 19. fastening a nut; 20. and a cover plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

Referring to fig. 1, concrete square hole grit sieve, including work box 1, 1 top fixedly connected with fixed plate 2 of work box installs screen tray 10 through fixed establishment on the fixed plate 2, and fixed establishment's quantity is three groups at least and be the even setting of linear array, through setting up fixed establishment, can install screen tray 10 fast, and convenient the dismantlement is maintained and is cleared up, has reduced intensity of labour, helps improving work efficiency.

Referring to fig. 1-2, two rotating rods 14 are symmetrically arranged on the top surface of the work box 1, threads are arranged on the outer side surface of the top of each rotating rod 14, a fastening nut 19 is sleeved on each rotating rod 14 in a threaded manner, and each fastening nut 19 abuts against the upper side surface of the cover plate 20. 2 top surface fixedly connected with backup pad 16 of fixed plate, 16 bottom surfaces fixedly connected with of backup pad and the same apron 20 of sieve tray 10 size of a dimension, the top surface of apron 20 bottom surface and the superiors sieve tray 10 is laminated mutually, through setting up apron 20, play sealed effect, carry out the closing cap to the sieve tray 10 of superiors, prevent the device and produce the phenomenon that the material dropped in the course of the work, cause the cost extravagant, press from both sides a plurality of sieve trays 10 tightly through two dwang 14, turning soon fastening nut 19, make dwang 14 fix on apron 20, thereby it is fixed firm with a plurality of sieve trays 10.

Referring to fig. 3, the fixing mechanism includes an upper connecting plate 3 and a lower connecting plate 4 fixedly connected to the outer side of a fixing plate 2, a limit rod 5 is slidably connected to the upper connecting plate 3, a rectangular groove 6 is formed in the fixing plate 2, a sliding rod 7 is fixedly connected to the inside of the rectangular groove 6, a sliding plate 9 is slidably sleeved on the outer side of the sliding rod 7, the top end of the limit rod 5 is fixed to the bottom surface of the sliding plate 9, a return spring 8 is sleeved on the outer side of the sliding rod 7 above the sliding plate 9, the upper connecting plate 3 and the lower connecting plate 4 are arranged in parallel, a limit hole for the limit rod 5 to pass through is formed in the lower connecting plate 4, a connecting block 11 is fixedly connected to the outer side of a sieve tray 10, the connecting block 11 is movably sleeved on the outer side of the limit rod 5 and is clamped between the upper connecting plate 3 and the lower connecting plate 4, when the sieve tray 10 is installed, the sliding plate 9 is lifted upwards to compress the return spring 8, then with connecting block 11 alignment gag lever post 5 on the sieve dish 10, the sliding plate 9 of lifting on the pine this moment, reset spring 8 automatic re-setting to drive sliding plate 9 and descend, make after gag lever post 5 passed connecting block 11, inject down in the spacing hole on the connecting plate 4, thereby fix sieve dish 10 on fixed plate 2, realize sieve dish 10 quick installation and stable fixed, help improving work efficiency.

Referring to fig. 2, fixed slot 12 has been seted up to 1 top surface of work box, fixedly connected with dead lever 13 in the fixed slot 12, and dwang 14 bottom is rotated and is cup jointed at 13 lateral surfaces of dead lever, uses through the cooperation of fixed slot 12 with dead lever 13 for dwang 14 can rotate to articulate at 1 top surface of work box, is convenient for press from both sides tight fixedly to a plurality of trays 10.

Referring to fig. 2, the top surface of the rotating rod 14 is fixedly connected with a limiting block 15 for preventing the fastening nut 19 from slipping out of the top end of the rotating rod 14, so that the limiting effect is achieved, and the stability of the device is improved.

Referring to fig. 2, the feed inlet has been seted up to apron 20 top surface, and feed inlet internal thread connection has screw plug 17, and screw plug 17 top surface fixedly connected with handle 18 is convenient for open the feed inlet through setting up screw plug 17 and handle 18, and the material that will treat the screening is filled into sieve tray 10, has improved the practicality of device.

Referring to fig. 4, the cover plate 20 and the outer side surface of the sieve tray 10 are symmetrically provided with semicircular clamping grooves used for being matched with the rotating rod 14, and the same semicircular grooves are formed in the cover plate 20 and the sieve tray 10, so that the rotating rod 14 can better clamp the sieve tray 10, and the fixing stability and firmness are improved.

The working principle is as follows: at first successive layer installation sieve dish 10 lifts upwards sliding plate 9 earlier for reset spring 8 compresses, then aims at gag lever post 5 with connecting block 11 on the sieve dish 10, and the sliding plate 9 that lifts on the pine this moment, and reset spring 8 automatic re-setting drives sliding plate 9 and descends, makes after gag lever post 5 passes connecting block 11, injects down in the spacing hole on the connecting plate 4, thereby fixes sieve dish 10 on fixed plate 2.

Then, the two rotating rods 14 are rotated to be in a vertical state, so that the rotating rods 14 are clamped in the semicircular grooves on the side surfaces of the screen tray 10 and the cover plate 20, and then the fastening nuts 19 are screwed, so that the rotating rods 14 and the cover plate 20 are firmly fixed, and further, the stable fixation of the screen tray 10 is realized.

And finally, screwing the screw plug 17, opening a feed inlet at the top of the cover plate 20, filling the material to be screened into the topmost screen plate 10, starting a vibrating motor arranged in the working box 1, and driving the multilayer screen plates 10 to vibrate, so that efficient screening is realized.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Concrete square hole grit sieve, including work box (1), its characterized in that: work box (1) top fixedly connected with fixed plate (2), install sieve tray (10) through fixed establishment on fixed plate (2), fixed establishment's quantity is three groups at least and is the linear array and evenly sets up, work box (1) top surface symmetry is provided with two dwang (14), dwang (14) top lateral surface is seted up threadedly, fastening nut (19) have been cup jointed to dwang (14) upper thread, fixed plate (2) top surface fixedly connected with backup pad (16), the same apron (20) of backup pad (16) bottom surface fixedly connected with and sieve tray (10) size of a dimension, fastening nut (19) butt is in apron (20) upper flank, the top surface of apron (20) bottom surface and superiors sieve tray (10) is laminated mutually.

2. The concrete square hole sand screen of claim 1, wherein: the fixing mechanism comprises an upper connecting plate (3) and a lower connecting plate (4), the upper connecting plate is fixedly connected with the outer side face of a fixing plate (2), a limiting rod (5) is connected to the upper connecting plate (3) in a sliding and penetrating mode, a rectangular groove (6) is formed in the fixing plate (2), a sliding rod (7) is fixedly connected in the rectangular groove (6), a sliding plate (9) is sleeved on the outer side face of the sliding rod (7) in a sliding mode, the top end of the limiting rod (5) is fixed to the bottom face of the sliding plate (9), and a reset spring (8) is sleeved on the outer side face of the sliding rod (7) above the sliding plate (9).

3. The concrete square hole sand screen of claim 2, wherein: the upper connecting plate (3) and the lower connecting plate (4) are arranged in parallel, and a limiting hole for the limiting rod (5) to penetrate through is formed in the lower connecting plate (4).

4. The concrete square hole sand screen of claim 3, wherein: sieve dish (10) lateral surface fixedly connected with connecting block (11), connecting block (11) activity cover is established at gag lever post (5) lateral surface.

5. The concrete square hole sand screen of claim 1, wherein: fixed slot (12) have been seted up to work box (1) top surface, fixedly connected with dead lever (13) in fixed slot (12), dwang (14) bottom is rotated and is cup jointed at dead lever (13) lateral surface.

6. The concrete square hole sand screen of claim 1, wherein: dwang (14) top surface fixedly connected with stopper (15).

7. The concrete square hole sand screen of claim 1, wherein: the cover plate (20) and the outer side surface of the sieve tray (10) are symmetrically provided with semicircular clamping grooves used for being matched with the rotating rod (14).

8. The concrete square hole sand screen of claim 1, wherein: the feed inlet has been seted up to apron (20) top surface, feed inlet female connection has screw plug (17), screw plug (17) top surface fixedly connected with handle (18).

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