CN211865811U

CN211865811U - Sand screening machine

Info

Publication number: CN211865811U
Application number: CN202020101640.2U
Authority: CN
Inventors: 邹哲峰; 张红成; 张红义
Original assignee: Wuhan Union Construction Concrete Co ltd
Current assignee: Wuhan Union Construction Concrete Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-11-06
Anticipated expiration: 2030-01-16

Abstract

The utility model belongs to the technical field of the technique of sieve sand equipment and specifically relates to a sand sieving machine is related to, which comprises a housin, the discharge gate has been seted up to the casing, the casing is provided with the screen cloth in discharge gate department, the screen cloth includes fixed frame and wire side, wire side and fixed frame fixed connection, two bearing boards of the inner wall fixedly connected with of casing, fixed frame and bearing board sliding connection, bearing board runs through along its length direction and sets up the support groove with fixed frame sliding adaptation, the installing port has been seted up to the casing, support groove and installing port intercommunication, the casing has the locating plate that is used for fixed frame in the one end sliding connection at installing port place, the casing is provided with in the one end relative with the installing port and separates the baffle, the casing is provided. The utility model discloses a by installing port department with fixed frame slide in the support groove to utilize the fixed frame of locating plate, solved the problem that the filter screen is fragile and can not be changed, realize the effect of the change filter screen of being convenient for, guarantee the sieve sand effect of screen cloth.

Description

Sand screening machine

Technical Field

The utility model belongs to the technical field of the technique of sieve sand equipment and specifically relates to a sand sieving machine is related to.

Background

The sand screening machine is used for screening various finished sand and stones, and adopts the principle that a motor drives a triangular belt and an eccentric block of a vibration exciter to rotate at a high speed, the eccentric block running at the high speed generates great centrifugal force to excite a screen box to vibrate, so that sand and stones on the screen mesh are subjected to impact transmitted by the screen box to generate continuous throwing motion, and sand and stone particles smaller than screen meshes pass through and fall below the screen mesh in the process of collision of the sand and stones with the screen mesh.

Chinese patent with publication number CN208373546U proposes a sandstone screening machine, including sieve case and the screen cloth of fixing in the sieve case, be connected with the shield on the sieve case, the charge door has been seted up on the shield, still be connected with dust extraction on the sieve case, dust extraction is including being located the air exhauster that sets up dust absorption mouth and air intake on the lateral wall of sieve case and the dust absorption mouth links to each other.

The above prior art solutions have the following drawbacks: sand material gets into to sieve the case by the charge door after and sieves in screen cloth department, and screening in-process grit frequently collides with the screen cloth, and the screen cloth warp damage even easily through long-term the use, at this moment need change the screen cloth, but current most screen cloth sets up as an organic whole with the organism, needs the cutting to take off damaged screen cloth, then welds new screen cloth, complex operation has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sand sieving machine which is not enough for the prior art. It has the effect of being convenient for change screen cloth.

The above object of the present invention can be achieved by the following technical solutions:

a sand sieving machine comprises a shell, wherein a discharge hole is formed in the shell, a screen is arranged at the discharge hole of the shell, the screen comprises a fixed frame and a screen surface, the screen surface is fixedly connected with the fixed frame, the inner wall of the shell is fixedly connected with two bearing plates for placing the fixed frame, the fixing frame is connected with the bearing plate in a sliding way, the bearing plate is provided with a bearing groove which is matched with the fixing frame in a sliding way along the length direction of the bearing plate, the shell is provided with an installation port for pushing the bearing plate, the bearing groove is communicated with the installation port, one end of the shell where the mounting opening is located is connected with a positioning plate used for fixing the fixing frame in a sliding manner, the shell is provided with a baffle plate used for preventing sand leakage and preventing the fixed frame from swinging at one end opposite to the mounting opening, the shell is provided with a driving assembly for driving the positioning plate to slide and fix the positioning plate.

By adopting the technical scheme, when the screen is installed, the fixing frame is pushed into the bearing plate in the shell along the bearing groove at the installation opening, the fixing frame moves towards the partition plate, the partition plate is utilized to prevent the shell from leaking sand at the partition plate, when the fixing frame is abutted against the partition plate, two adjacent ends of the fixing frame and the partition plate are both positioned in the bearing groove and abutted against the inner wall of the bearing groove, the bearing effect of the bearing plate on the fixing frame is realized, and the movement of the fixing frame in the width direction of the shell is limited;

the positioning plate is driven by the driving assembly to slide towards the fixing frame, so that the positioning plate is fixed at a position for fixing the fixing frame, and the effects of preventing sand grains from leaking out of the mounting opening and fixing the fixing frame are achieved; when changing the screen cloth, slide the locating plate orientation and keep away from the direction of fixed frame, pull out fixed frame along the direction of keeping away from at a distance from the baffle, realize taking out the effect of fixed frame, through changing fixed frame, realize being convenient for change the effect of screen cloth to guarantee the sieve sand effect of screen cloth.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a supporting block and a stud, the supporting block is fixedly connected with the shell, the supporting block is connected with a connecting block in a sliding mode, the stud is connected with the supporting block in a threaded mode, the lower end of the stud is rotatably connected with the connecting block, the connecting block is fixedly connected with the positioning plate, and the positioning plate is abutted to the shell.

Through adopting above-mentioned technical scheme, rotate the double-screw bolt and make the double-screw bolt through the threaded connection with the supporting shoe move down, rotate with the double-screw bolt through the connecting block and be connected and slide along the supporting shoe and make the connecting block not follow the double-screw bolt and rotate, the double-screw bolt passes through the connecting block and drives the fixed frame motion of locating plate orientation, the realization is convenient for drive locating plate and slides and the fixed effect of fixed frame of butt along the casing.

The present invention may be further configured in a preferred embodiment as: it is convenient for to hold be provided with in the groove the subassembly that slides of fixed frame, the subassembly that slides includes guide rail and a plurality of ball, the guide rail with hold the inner wall fixed connection in groove, fixed frame run through set up with the logical groove of guide rail adaptation that slides, it is a plurality of the ball all inlays and locates the up end of guide rail.

Through adopting above-mentioned technical scheme, fixed frame gets into and removes the guide rail when bearing inslot by the installing port and is located logical inslot, and the diapire that leads to the groove and the ball butt on the guide rail up end rotate the ball through fixed frame removal and make, rotate through the ball and reduce the frictional force between fixed frame and the guide rail, realize the fixed frame of being convenient for along the effect that the layer board slided, be favorable to the installation and take out fixed frame.

The present invention may be further configured in a preferred embodiment as: the fixing frame is provided with a limiting groove for the positioning plate to be inserted, two ends of the limiting groove are both provided with openings, and the length of the positioning plate is not less than that of the mounting opening.

Through adopting above-mentioned technical scheme, through the locating plate in spacing inslot and fixed frame butt, strengthen the fixed effect of locating plate to fixed frame to the length of locating plate and casing butt and locating plate is not less than the length of installing port, realizes preventing the effect that the sand grain spills by installing port department.

The present invention may be further configured in a preferred embodiment as: the inner wall of one end of the limiting groove far away from the shell is fixedly connected with a rubber block.

Through adopting above-mentioned technical scheme, elastic deformation power through the block rubber for the locating plate supports tightly with casing and fixed frame, strengthens the fixed of locating plate to fixed frame, prevents fixed frame swing, prevents that the sand grain from spilling by installing port department.

The present invention may be further configured in a preferred embodiment as: the baffle is provided with a baffle groove for inserting the fixing frame, and two ends of the baffle groove are communicated with the bearing groove.

Through adopting above-mentioned technical scheme, the both ends that separate the baffle respectively with two bearing piece butts, the both ends that separate the groove all with bearing groove intercommunication and the both ends that separate the groove are closed setting for fixed frame is in separating the inslot and when separating the baffle butt, is favorable to restricting fixed frame and just prevents that the sand grain from spilling in separating baffle department in vertical direction swing.

The present invention may be further configured in a preferred embodiment as: the fixing frame is arranged in the baffle groove and abutted against the baffle, and the limiting groove is located at the projection position of the positioning plate in the vertical direction.

Through adopting above-mentioned technical scheme, fixed frame and when separating the diapire butt in groove, the locating plate is located the spacing groove directly over, is convenient for move to the spacing inslot along vertical direction through the drive locating plate, is favorable to leaking in installing port department with preventing the sand grain to fixed frame.

The present invention may be further configured in a preferred embodiment as: and one end of the stud, which is far away from the positioning plate, is fixedly connected with a handle.

By adopting the technical scheme, the stud can be driven to rotate conveniently by rotating the handle, so that the positioning plate can be driven to move along the shell in the vertical direction conveniently.

To sum up, the utility model discloses a following beneficial technological effect:

1. the fixing frame slides to abut against the blocking groove along the bearing groove at the mounting opening, the positioning plate is driven to descend to be inserted into the limiting groove by rotating the stud, the fixing effect on the fixing frame is achieved, the positioning plate is moved upwards to leave the limiting groove, the fixing frame slides out from the bearing groove, the effect of facilitating replacement of the screen is achieved, and therefore the sand screening effect of the screen is guaranteed;

2. the bolt is in threaded connection with the supporting block and is rotationally connected with the connecting block, the sliding groove limits the rotation of the connecting block, and the connecting block is conveniently driven to drive the positioning plate to lift, so that the fixing frame is conveniently fixed and taken out;

3. the friction between the fixed frame and the guide rail is reduced through the rotation of the balls, the effect that the fixed frame slides along the bearing plate is convenient to realize, and the installation and the taking out of the filter screen are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an enlarged schematic view at B in fig. 1.

In the figure, the device comprises a shell 1, a shell 2, a discharge hole 3, a fixing frame 4, a net surface 5, a bearing plate 6, a bearing groove 7, a mounting hole 8, a baffle plate 9, a baffle groove 10, a positioning plate 11, a limiting groove 12, a rubber block 13, a supporting block 14, a stud 15, a connecting block 16, a sliding groove 17, a handle 18, a guide rail 19, a ball 20 and a through groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a sand sieving machine, including rectangular casing 1, discharge gate 2 has been seted up to the lower extreme of casing 1, casing 1 is provided with the screen cloth in discharge gate 2 department, the screen cloth includes fixed frame 3 and wire side 4, wire side 4 and fixed frame 3 fixed connection, casing 1 is fixedly connected with two bearing plates 5 that are used for placing fixed frame 3 in the inner wall of discharge gate 2 department, bearing plates 5 are symmetrical relative to the vertical plane of symmetry of casing 1 and set up, fixed frame 3 and bearing plates 5 sliding connection, bearing plates 5 run through along its length direction and set up the bearing groove 6 that the opening faces the horizontal direction, casing 1 sets up along its width direction and is used for pushing into bearing plates 5 installing port 7, installing port 7 and bearing groove 6 intercommunication and installing port 7's inner wall and bearing groove 6 are in the coplanar, fixed frame 3 slides the adaptation with bearing groove 6 and installing port 7;

a separation baffle 8 for preventing sand leakage and preventing the fixed frame 3 from swinging is fixedly connected to one end, opposite to the mounting opening 7, of the shell 1, two ends of the separation baffle 8 are respectively abutted to the two bearing blocks, a separation groove 9 for inserting the fixed frame 3 is formed in the separation baffle 8, two ends of the separation groove 9 are both in closed arrangement, and two ends of the separation groove 9 are both communicated with the bearing grooves 6; casing 1 has a locating plate 10 that is used for fixed frame 3 in the one end sliding connection at installing port 7 place, locating

plate

10 and 1 butt of casing, the length of locating plate 10 is greater than the length of installing port 7, fixed frame 3 offers the spacing groove 11 that is used for locating plate 10 to peg graft along the length direction of locating plate 10, the both ends of spacing groove 11 are the opening setting, fixedly connected with block rubber 12 (refer to 4) on the inner wall of casing 1's one end is kept away from to spacing groove 11, fixed frame 3 in separate keep off inslot 9 with when separating baffle 8 butts, spacing groove 11 is located the projection position of locating plate 10 along vertical direction.

Referring to fig. 1 and 2, when the screen is installed, the fixing frame 3 is pushed into the housing 1 along the bearing groove 6 at the installation opening 7, so that one end of the fixing frame 3, which is far away from the installation opening 7, is inserted into the blocking groove 9, and the fixing frame 3 is abutted against the inner wall of the blocking groove 9, which is beneficial to preventing sand from leaking at the blocking plate 8; at the moment, two ends of the fixing frame 3 adjacent to the baffle 8 are both positioned in the bearing groove 6 and are abutted against the inner wall of the bearing groove 6, so that the bearing effect of the bearing plate 5 on the fixing frame 3 is realized, and the bearing plate 5 limits the fixing frame 3 to move in the width direction of the shell 1;

when the fixing frame 3 is abutted against the inner wall of the blocking groove 9, one part of one end of the fixing frame 3 close to the mounting opening 7 is positioned outside the shell 1, the upper end surface and the lower end surface of the fixing frame 3 are abutted against the shell 1 at the mounting opening 7, the positioning plate 10 is slid along the direction towards the mounting plate, the positioning plate 10 is inserted in the limiting groove 11, the positioning plate 10 is abutted against the shell 1 and the fixing frame 3 through the rubber block 12 (refer to fig. 4), the length of the positioning plate 10 is greater than that of the mounting opening 7, the effect of preventing sand grains from leaking from the mounting opening 7 is realized, and the effect of fixing the fixing frame 3 is realized through the fixing positioning plate 10;

when changing the screen cloth, slide locating plate 10 towards the direction of keeping away from fixed frame 3 for locating plate 10 leaves spacing groove 11, with fixed frame 3 along keeping away from the direction of separating baffle 8 and pulling out, realize the effect of the fixed frame 3 of separation and casing 1, through changing fixed frame 3 and being fixed in the wire side 4 on it, realize being convenient for to change the effect of screen cloth, in order to guarantee the screening sand effect of screen cloth.

Referring to fig. 2 and 3, in order to facilitate driving of the positioning plate 10 to slide along the casing 1 and fix the positioning plate 10, a driving assembly for fixing the positioning plate 10 is arranged between the positioning plate 10 and the casing 1, the driving assembly includes a supporting block 13 and a stud 14, the supporting block 13 is L-shaped and is fixedly connected with the casing 1 along one end of the length direction, the supporting block 13 is slidably connected with a connecting block 15 along the vertical direction, the connecting block 15 is fixedly connected with a T-shaped slider (not shown in the figure), the supporting block 13 is provided with a chute 16 matched with the slider in a sliding manner along the vertical direction, the connecting block 15 is fixedly connected with the positioning plate 10 towards one end of the casing 1, the upper end of the supporting block 13 is provided with a screw hole (not shown in the figure), the stud 14 is connected with the supporting block 13.

Referring to fig. 2 and 3, when fixing frame 3 and the inner wall butt of separating groove 9, spacing groove 11 is located under locating plate 10, turning handle 17 makes double-screw bolt 14 move down through the threaded connection with supporting shoe 13, rotate with connecting block 15 through double-screw bolt 14, and spout 16 restriction connecting block 15 rotates, make double-screw bolt 14 drive connecting block 15 move down, connecting block 15 drives locating plate 10 towards spacing groove 11 and moves to pegging graft in spacing groove 11, the effect of being convenient for drive locating plate 10 along casing 1 and sliding and being fixed in spacing groove 11 department is realized, just peg graft in spacing groove 11 through locating plate 10 and casing 1 butt, realize the effect of fixed fixing frame 3.

Referring to fig. 3 and 4, in order to facilitate the fixed frame 3 to slide in the bearing plate 5, a sliding assembly convenient for the fixed frame 3 to slide is arranged in the bearing groove 6, the sliding assembly comprises a guide rail 18 and a plurality of balls 19, the guide rail 18 is arranged along the length direction of the bearing groove 6 and is fixedly connected with the inner wall of the bearing groove 6 in the horizontal direction, the fixed frame 3 is provided with a through groove 20 matched with the guide rail 18 in a sliding manner in a penetrating manner along the horizontal direction, the opening direction of the through groove 20 is downward, and the balls 19 are embedded in the upper end surface of the guide rail 18 at equal intervals; when fixed frame 3 got into by installing port 7 and held in the groove 6, lead to groove 20 and aim at guide rail 18 along the opening of horizontal direction, guide rail 18 was located logical groove 20 when fixed frame 3 moved to holding groove 6 in, and the diapire that leads to groove 20 and the ball 19 butt on the guide rail 18 up end, fixed frame 3 removes and makes ball 19 rotate, rotate the frictional force that reduces between fixed frame 3 and the guide rail 18 through ball 19, the effect that the fixed frame 3 of realization being convenient for slided along holding board 5, be favorable to the installation and take out fixed frame 3.

The implementation principle of the embodiment is as follows:

when the screen is installed, the fixing frame 3 is pushed into the bearing groove 6 at the installation opening 7, the bearing plate 5 bears the fixing frame 3 and limits the fixing frame 3 to move in the width direction of the shell 1, the fixing frame 3 moves along the guide rail 18 to enable the balls 19 to rotate, and the fixing frame 3 is convenient to move through the balls 19; when the fixing frame 3 moves to abut against the bottom wall of the blocking groove 9, the stud 14 drives the connecting block 15 to move downwards by rotating the handle 17, the sliding groove 16 limits the connecting block 15 to rotate, so that the connecting block 15 drives the positioning plate 10 to move downwards to be inserted into the limiting groove 11, the effect of fixing the fixing frame 3 is realized, the positioning plate 10 abuts against the shell 1, the length of the positioning plate 10 is greater than that of the mounting opening 7, and the effect of preventing sand grains from leaking from the mounting opening 7 is realized;

when changing the screen cloth, turning handle 17 makes double-screw bolt 14 drive connecting block 15 and locating plate 10 move up for locating plate 10 leaves the inserting groove, pulls out fixed frame 3 along the direction of keeping away from at a distance from baffle 8, realizes the effect of the fixed frame 3 of separation and casing 1, through changing fixed frame 3 and rather than fixed wire side 4, realizes the effect of being convenient for change the screen cloth, in order to guarantee the screening sand effect of screen cloth.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sand sieving machine, comprising a housing (1), characterized in that: the screen cloth is characterized in that the shell (1) is provided with a discharge port (2), the shell (1) is provided with a screen cloth at the discharge port (2), the screen cloth comprises a fixed frame (3) and a net surface (4), the net surface (4) is fixedly connected with the fixed frame (3), the inner wall of the shell (1) is fixedly connected with two bearing plates (5) for placing the fixed frame (3), the fixed frame (3) is slidably connected with the bearing plates (5), the bearing plates (5) penetrate through a bearing groove (6) matched with the fixed frame (3) in a sliding manner along the length direction of the bearing plates, the shell (1) is provided with a mounting port (7) for pushing the bearing plates (5), the bearing groove (6) is communicated with the mounting port (7), and one end of the shell (1) at the mounting port (7) is slidably connected with a positioning plate (10) for fixing the fixed frame (3), casing (1) in with the one end that installing port (7) are relative is provided with and is used for preventing to leak sand and prevent fixed frame (3) wobbling baffle (8) that separate, casing (1) is provided with and is used for the drive locating plate (10) slide and fix the drive assembly of locating plate (10).

2. A sand screening machine according to claim 1, wherein: the driving assembly comprises a supporting block (13) and a stud (14), the supporting block (13) is fixedly connected with the shell (1), the supporting block (13) is connected with a connecting block (15) in a sliding mode, the stud (14) is connected with the supporting block (13) in a threaded mode, the lower end of the stud (14) is rotatably connected with the connecting block (15), the connecting block (15) is fixedly connected with the positioning plate (10), and the positioning plate (10) is abutted to the shell (1).

3. A sand screening machine according to claim 2, wherein: be provided with in holding groove (6) and be convenient for the subassembly that slides of fixed frame (3), the subassembly that slides includes guide rail (18) and a plurality of ball (19), guide rail (18) with hold the inner wall fixed connection of holding groove (6), fixed frame (3) run through set up with logical groove (20) of guide rail (18) adaptation that slides, it is a plurality of ball (19) all inlay and locate the up end of guide rail (18).

4. A sand screening machine according to claim 3, wherein: the fixing frame (3) is provided with a limiting groove (11) for the positioning plate (10) to be inserted, the two ends of the limiting groove (11) are both provided with openings, and the length of the positioning plate (10) is not less than that of the mounting opening (7).

5. A sand screen as claimed in claim 4, wherein: the inner wall of one end of the limiting groove (11) far away from the shell (1) is fixedly connected with a rubber block (12).

6. A sand screen as claimed in claim 5, wherein: the baffle (8) is provided with a baffle groove (9) for inserting the fixing frame (3), and two ends of the baffle groove (9) are communicated with the support groove (6).

7. A sand screen as claimed in claim 6, wherein: the fixing frame (3) is arranged in the baffle groove (9) and abutted against the baffle (8), and the limiting groove (11) is located at the projection position of the positioning plate (10) along the vertical direction.

8. A sand screen as claimed in claim 7, wherein: and one end of the stud (14) far away from the positioning plate (10) is fixedly connected with a handle (17).