CN214865233U

CN214865233U - Sieve plate replacing mechanism of sand sieving machine for building construction

Info

Publication number: CN214865233U
Application number: CN202120271437.4U
Authority: CN
Inventors: 孙蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-26
Anticipated expiration: 2031-01-29

Abstract

The utility model belongs to the technical field of sieve plate replacing devices, in particular to a sieve plate replacing mechanism of a sand sieving machine for building construction, which comprises a fixed frame and a fixer, wherein a sieve plate is arranged inside the fixed frame in a sliding manner, the fixer mainly comprises a clamping plate, a spring, a connecting rod and a fastening block, the upper surface of the clamping plate is fixedly connected with one end of the spring, the spring is sleeved on the outer wall of the connecting rod, and one end of the spring, which is far away from the clamping plate, is fixedly connected with the bottom surface of the top end of the connecting rod; this device is provided with motor, catch bar and push pedal, and the motor drives the catch bar through the worm screw thread A on its output and rotates to make the push pedal pass forward, can release fixed frame with old sieve, demolish the sieve fast, improve and change efficiency, this device is provided with the fixer simultaneously, through the spring. Cardboard and fastening block realize the quick fastening to the sieve, and is easy and simple to handle, offers convenience for the staff.

Description

Sieve plate replacing mechanism of sand sieving machine for building construction

Technical Field

The utility model belongs to the technical field of the sieve is changed, concretely relates to mechanism is changed with screening sand machine sieve to construction.

Background

The condition that the sieve plate is damaged can appear after the sand screening machine is used for a period of time at the construction site, so that the condition that the sieve plate is damaged is checked, and one of the necessary work is carried out before construction. If the sieve plate is damaged, the sieve plate needs to be replaced in time, and if the sieve plate cannot be replaced in time, certain influence is caused on production;

however, the replacement mode of the existing sieve plate is troublesome, and the disassembly and installation time is too long, so that the construction progress is influenced, and the working efficiency is reduced.

In order to solve the problem, the sieve plate replacing mechanism of the sand sieving machine for building construction is provided in the application.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mechanism is changed to screening sand machine sieve for construction has quick replacement, characteristics easy and simple to handle.

In order to achieve the above object, the utility model provides a following technical scheme: a sieve plate replacing mechanism of a sand sieving machine for building construction comprises a fixing frame and a fixer, wherein a sieve plate body is arranged in the fixing frame in a sliding mode, the fixer mainly comprises a clamping plate, a spring, a connecting rod and a fastening block, the upper surface of the clamping plate is fixedly connected with one end of the spring, the spring is sleeved on the outer wall of the connecting rod, one end, away from the clamping plate, of the spring is fixedly connected with the bottom surface of the top end of the connecting rod, the lower surface of the fastening block is fixedly connected with the upper surface of the clamping plate, the top end of the connecting rod is fixedly connected with the outer walls of two sides of the front end of the fixing frame, a box body is fixedly connected with the rear end of the fixing frame, a motor is fixedly arranged in the box body, a limiting block A, a fixing block and a limiting block B are fixedly arranged on the inner side wall of one side of the box body, and the output end of the motor penetrates through the limiting block A, and with the fixed block rotates the connection, the fixed worm screw thread A that is equipped with on the output of motor, the output top of motor is equipped with the catch bar, the one end of catch bar runs through stopper B with fixed frame rear end outer wall, and extend to the inside of fixed frame, the catch bar is located the inside one end of fixed frame is rotated and is connected with the push pedal, the fixed worm screw thread B that is equipped with on the catch bar, motor and external power source electric connection.

As the utility model relates to a sand sieving machine sieve is changed and is constructed preferred, fixed frame is the U type setting, the inside cavity of fixed frame, and its front end, both sides inboard, rear end inboard all are equipped with the opening.

As the utility model relates to a screening sand machine sieve is changed and is constructed preferred, the both sides of fixed frame and rear end opening part are all fixed and are equipped with the sealing strip.

As the utility model relates to a screening sand machine sieve is changed and is constructed preferred, the front end opening part of fixed frame rotates and is equipped with a plurality of pulley.

As the utility model relates to a screening sand machine sieve is changed and is constructed preferred, worm screw thread A with worm screw thread B meshing.

As the utility model relates to a screening sand machine sieve is changed and is constructed preferred, the catch bar is close to the fixed fixture block that is equipped with of stopper B's one end.

As the utility model relates to a screening sand machine sieve is changed and is constructed preferred, the fixer is equipped with two sets ofly altogether, the fastening block with the front end opening block of fixed frame.

Compared with the prior art, the beneficial effects of the utility model are that: this device is provided with motor, catch bar and push pedal, and the motor drives the catch bar through the worm screw thread A on its output and rotates to make the push pedal pass forward, can release fixed frame with old sieve, demolish the sieve fast, improve and change efficiency, this device is provided with the fixer simultaneously, through the spring. Cardboard and fastening block realize the quick fastening to the sieve, and is easy and simple to handle, offers convenience for the staff.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the fastener of the present invention;

fig. 4 is a schematic view of a partial internal structure of the present invention;

in the figure: 1. a fixing frame; 101. a sealing strip; 102. a pulley; 2. a box body; 201. a limiting block A; 202. a fixed block; 203. a limiting block B; 3. a motor; 301. a worm thread A; 4. a push rod; 401. a worm thread B; 5. a holder; 501. clamping a plate; 502. a spring; 503. a connecting rod; 504. a fastening block; 6. a sieve plate body; 7. a push plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, the utility model provides a mechanism for replacing a sieve plate of a sand sieving machine for building construction, which comprises a fixed frame 1 and a fixer 5, wherein a sieve plate body 6 is arranged inside the fixed frame 1 in a sliding manner, the fixer 5 mainly comprises a clamping plate 501, a spring 502, a connecting rod 503 and a fastening block 504, the upper surface of the clamping plate 501 is fixedly connected with one end of the spring 502, the spring 502 is sleeved on the outer wall of the connecting rod 503, one end of the spring 502 far away from the clamping plate 501 is fixedly connected with the bottom surface of the top end of the connecting rod 503, the lower surface of the fastening block 504 is fixedly connected with the upper surface of the clamping plate 501, the top end of the connecting rod 503 is fixedly connected with the outer walls of the two sides of the front end of the fixed frame 1, the rear end of the fixed frame 1 is fixedly connected with a box body 2, a motor 3 is fixedly arranged inside the box body 2, a limit block a201, a fixed block 202 and a limit block B203 are fixedly arranged on one side inner wall of the box body 2, the output end of the motor 3 penetrates through the limit block a201, and rotate with fixed block 202 and be connected, the fixed worm screw thread A301 that is equipped with on the output of motor 3, the output top of motor 3 is equipped with catch bar 4, stopper B203 and the fixed frame 1 rear end outer wall are run through to the one end of catch bar 4 to extend to the inside of fixed frame 1, catch bar 4 is located the one end rotation of fixed frame 1 inside and is connected with push pedal 7, fixed worm screw thread B401 that is equipped with on catch bar 4, motor 3 and external power source electric connection.

It should be noted that: in this embodiment, the push rod 4 and the push plate 7 are rotatably connected by a bearing.

It should be noted that: in this embodiment, the position of screening sand by the screening sand machine is by certain inclination, and this device should carry out fixed mounting with the screening sand machine in advance when using.

In this embodiment: the device uses an external power supply to supply power, the power supply is switched on to operate equipment, when workers need to replace the screen plate body 6 of the sand screening machine, two clamping plates 501 are pulled out from the opening at the front end of the fixed frame 1, the motor 3 is started, the output end of the motor 3 rotates, namely, the worm thread A301 rotates, so that the worm thread B401 is driven to rotate, the push rod 4 is pushed forwards, the screen plate body 6 is pushed out from the inside of the fixed frame 1 by the push plate 7 under the action of the push rod 4, and the pulley 102 is arranged at the opening at the front end of the fixed frame 1, so that the screen plate body 6 can be further discharged to the outside of the fixed frame 1; when a new screen plate body 6 is installed, the motor 3 is started, the output end of the motor 3 rotates, namely the worm screw thread A301 rotates, so as to drive the worm screw thread B401 to rotate, the push rod 4 is pulled backwards, the push plate 7 is completely retracted into the rear end of the fixing frame 1 under the action of the push rod 4, the screen plate body 6 is pushed into the fixing frame 1 through the opening of the fixing frame 1, and the pulley 102 is arranged at the opening at the front end of the fixing frame 1, so that the screen plate body 6 can be further promoted to be pushed out of the fixing frame 1, when the screen plate body 6 is completely pushed into the fixing frame 1, the clamping plate 501 is stretched to the front of the fixing frame 1, the fastening block 504 is clamped with the opening at the front end of the fixing frame 1, under the action of the spring 502, the fastening block 504 clamps the screen plate body 6, and the sealing strips 101 are fixedly arranged at the two sides and the opening at the rear end of the fixing frame 1, so that sand grains can be prevented from entering the inside of the device, thereby accomplish whole change flow, for staff's change operation brings the facility, can demolish fast and install, and structure and easy and simple to handle improve work efficiency.

In an alternative embodiment, the frame 1 is U-shaped, the frame 1 is hollow and has openings at its front end, inside sides of the two sides and inside of the rear end.

In this embodiment: because the fixing frame 1 is U-shaped, the inside of the fixing frame 1 is hollow, and the front end, the inner sides of the two sides and the inner side of the rear end are all provided with openings, the sieve plate body 6 can be placed in the fixing frame 1.

In an alternative embodiment, the fixing frame 1 is fixedly provided with sealing strips 101 at both sides and at the opening of the rear end.

In this embodiment: because the sealing strips 101 are fixedly arranged at the two sides and the rear end opening of the fixing frame 1, sand grains can be prevented from entering the device and affecting the use effect of the device.

In an alternative embodiment, a plurality of pulleys 102 are rotatably provided at the front opening of the fixed frame 1.

In this embodiment: because the opening at the front end of the fixed frame 1 is provided with the plurality of pulleys 102 in a rotating way, the sieve plate body 6 can conveniently slide out of the fixed frame 1 and push into the fixed frame 1.

In an alternative embodiment, the worm thread a301 and the worm thread B401 mesh.

In this embodiment: because the worm thread A301 is meshed with the worm thread B401, the rotation of the worm thread A301 can drive the rotation of the worm thread B401, so that the push rod 4 can move forwards or backwards.

In an alternative embodiment, a fixture block is fixedly arranged at one end of the push rod 4 close to the stop block B203.

In this embodiment: because the end of the push rod 4 close to the limit block B203 is fixedly provided with the fixture block, the displacement distance of the push rod 4 can be limited by the combined action of the fixture block and the limit block B203.

In an alternative embodiment, the retainers 5 are provided in two sets, the fastening blocks 504 engaging with the front opening of the fixed frame 1.

In this embodiment: because the two sets of the fixing devices 5 are arranged, the fastening blocks 504 are clamped with the front end opening of the fixing frame 1, and the fastening blocks 504 can clamp the screen plate body 6 to prevent the screen plate body from sliding off.

The utility model discloses a theory of operation and use flow: the device uses an external power supply to supply power, the power supply is switched on to operate equipment, when workers need to replace the screen plate body 6 of the sand screening machine, two clamping plates 501 are pulled out from the opening at the front end of the fixed frame 1, the motor 3 is started, the output end of the motor 3 rotates, namely, the worm thread A301 rotates, so that the worm thread B401 is driven to rotate, the push rod 4 is pushed forwards, the screen plate body 6 is pushed out from the inside of the fixed frame 1 by the push plate 7 under the action of the push rod 4, and the pulley 102 is arranged at the opening at the front end of the fixed frame 1, so that the screen plate body 6 can be further discharged to the outside of the fixed frame 1; when a new screen plate body 6 is installed, the motor 3 is started, the output end of the motor 3 rotates, namely the worm screw thread A301 rotates, so as to drive the worm screw thread B401 to rotate, the push rod 4 is pulled backwards, the push plate 7 is completely retracted into the rear end of the fixing frame 1 under the action of the push rod 4, the screen plate body 6 is pushed into the fixing frame 1 through the opening of the fixing frame 1, and the pulley 102 is arranged at the opening at the front end of the fixing frame 1, so that the screen plate body 6 can be further promoted to be pushed out of the fixing frame 1, when the screen plate body 6 is completely pushed into the fixing frame 1, the clamping plate 501 is stretched to the front of the fixing frame 1, the fastening block 504 is clamped with the opening at the front end of the fixing frame 1, under the action of the spring 502, the fastening block 504 clamps the screen plate body 6, and the sealing strips 101 are fixedly arranged at the two sides and the opening at the rear end of the fixing frame 1, so that sand grains can be prevented from entering the inside of the device, thereby accomplish whole change flow, for staff's change operation brings the facility, can demolish fast and install, and structure and easy and simple to handle improve work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mechanism is changed to screening sand machine sieve for construction, includes fixed frame (1) and fixer (5), its characterized in that: the inside of fixed frame (1) slides and is equipped with sieve body (6), fixer (5) mainly comprise cardboard (501), spring (502), connecting rod (503) and fastening block (504), the upper surface of cardboard (501) with the one end fixed connection of spring (502), spring (502) cover is established the outer wall of connecting rod (503), just spring (502) are kept away from the one end of cardboard (501) with the top bottom surface fixed connection of connecting rod (503), the lower surface of fastening block (504) with the upper surface fixed connection of cardboard (501), the top of connecting rod (503) with the front end both sides outer wall fixed connection of fixed frame (1), the rear end fixed connection of fixed frame (1) has box (2), the inside of box (2) is fixed and is equipped with motor (3), the fixed stopper A (201) that is equipped with of one side inside wall of box (2), Fixed block (202) and stopper B (203), the output of motor (3) runs through stopper A (201), and with fixed block (202) rotates the connection, the fixed worm screw thread A (301) that is equipped with on the output of motor (3), the output top of motor (3) is equipped with catch bar (4), the one end of catch bar (4) runs through stopper B (203) with fixed frame (1) rear end outer wall, and extend to the inside of fixed frame (1), catch bar (4) are located the inside one end of fixed frame (1) is rotated and is connected with push pedal (7), fixed worm screw thread B (401) that is equipped with on catch bar (4), motor (3) and external power source electric connection.

2. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: the U-shaped fixing frame (1) is hollow, and openings are formed in the front end, the inner sides of the two sides and the inner side of the rear end of the U-shaped fixing frame (1).

3. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: sealing strips (101) are fixedly arranged at the two sides of the fixing frame (1) and at the opening of the rear end.

4. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: a plurality of pulleys (102) are rotatably arranged at an opening at the front end of the fixed frame (1).

5. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: the worm thread A (301) and the worm thread B (401) are meshed.

6. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: and a clamping block is fixedly arranged at one end, close to the limiting block B (203), of the push rod (4).

7. The mechanism of claim 1 for changing sieve plate of sand sieving machine in construction, wherein: the fixer (5) is provided with two groups, and the fastening block (504) is clamped with the front end opening of the fixing frame (1).