CN213700752U - Screening device for mortar raw materials - Google Patents

Abstract

The utility model discloses a sieving mechanism for mortar raw materials, comprising a base plate, both sides all are equipped with the guide rail, every before the upper surface of bottom plate all install two sliders, four on the guide rail the upper surface of slider installs L type backup pad, the connecting seat is installed to the left surface of L type backup pad, rotate the one end that is connected with the connecting rod on the connecting seat, the other end of connecting rod rotates and is connected with the bent axle, the bent axle has the motor through the coupling joint, be equipped with the motor cabinet on the motor, the motor cabinet is installed in the upper surface of bottom plate, the upper surface four corners of L type backup pad all is equipped with spring assembly, four spring assembly's last surface mounting has the screening case, the inside of screening case is equipped with the screen cloth, the lateral surface of screening case is equipped with vibrating motor, the lower surface of bottom plate is. The utility model discloses a reciprocal linear motion can be to the screening case, has improved screening efficiency, and the while during operation noise is little, has reduced the sound pollution.

Description

Screening device for mortar raw materials

Technical Field

The utility model relates to a mortar production technical field, concrete field is a sieving mechanism for mortar raw materials.

Background

Coarse blocks in the sandstone raw materials used for producing the mortar need to be screened out by a vibrating screen, and the existing vibrating screen drives a screen to vibrate by a vibrating motor. The small particles of sand fall through the screen and the coarse particles of sand fall through the upper surface of the screen. The disadvantages are as follows: 1. the motion of the sieve is only vibration, and the coarse gravel falls out slowly from the upper surface of the sieve, so that the feeding cannot be too fast, and the screening speed is influenced. 2. The screen must be placed on springs, which generate a loud noise during operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sieving mechanism for mortar raw materials to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a screening device for mortar raw materials comprises a bottom plate, wherein guide rails are arranged on the front side and the rear side of the upper surface of the bottom plate, two sliding blocks are arranged on each guide rail, L-shaped supporting plates are arranged on the upper surfaces of the four sliding blocks, a connecting seat is arranged on the left side surface of each L-shaped supporting plate, one end of a connecting rod is rotatably connected onto each connecting seat, the other end of each connecting rod is rotatably connected with a crankshaft, each crankshaft is connected with a motor through a coupling, the motor is arranged on a motor base, the motor base is arranged on the upper surface of the bottom plate and positioned on the left sides of the two guide rails, shaft supports are arranged on the crankshafts and positioned on the front side and the rear side of the connecting rods, the two shaft supports are arranged on the upper surface of the bottom plate, spring assemblies are arranged at four corners of the upper, the inside of screening case is provided with spacing seat, the inside of spacing seat is provided with the screen cloth, the up end of screening case is provided with the charge door, the outer lower surface of screening case is provided with the bin outlet, the lateral surface of screening case is provided with vibrating motor, the lower surface four corners of bottom plate all is provided with the landing leg subassembly.

Preferably, spring unit is including installing in the bed plate of L type backup pad upper surface, the upper surface of bed plate is provided with a supporting cylinder, there is I shape support piece supporting cylinder's up end through bolt swing joint, the inside of supporting cylinder just is located and is provided with the spring between bed plate and the I shape support piece, the outer lower surface of screening case links to each other with I shape support piece.

Preferably, the landing leg subassembly is including the interior supporting leg that is fixed in the bottom plate lower surface, the outside of interior supporting leg is provided with outer supporting leg, the lateral surface top of outer supporting leg is provided with lock nut, lock nut's inside threaded connection has locking screw, locking screw's one end is passed the lateral wall of outer supporting leg and is provided with the locking knob with interior supporting leg contact, the other end, the lower terminal surface of outer supporting leg is provided with the base.

Preferably, four sliders are respectively connected with four corners of the lower surface of the L-shaped supporting plate.

Preferably, the bottom plate and the L-shaped supporting plate are both provided with through holes for passing through the discharge port, and the discharge port is positioned between the two guide rails.

Preferably, the upper surface of the bottom plate and the left and right end surfaces of each guide rail are provided with limit blocks.

Compared with the prior art, the beneficial effects of the utility model are that: a screening device for mortar raw materials, the screening box of the utility model can do reciprocating linear motion while vibrating, and accelerate the falling speed of raw materials meeting the specification from a filter screen, thereby improving the screening efficiency; the spring assembly is arranged outside the filter box and is not directly connected with the filter screen, so that the device has low noise during working and is beneficial to the health of field workers; the utility model discloses a landing leg assembly's design, the device of can being convenient for carries out the altitude mixture control according to the condition on the spot in the use on uneven ground, and the suitability is stronger.

Drawings

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

FIG. 2 is a schematic view of the structure at C-C in FIG. 1;

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

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the device comprises a base plate 1, a guide rail 2, a sliding block 3, an L-shaped supporting plate 4, a connecting seat 5, a connecting rod 6, a crankshaft 7, a motor 8, a motor seat 9, a screening box 10, a screen 11, a feeding port 12, a discharging port 13, a vibrating motor 14, a base plate 15, a supporting cylinder 16, an I-shaped supporting piece 17, a spring 18, an inner supporting leg 19, an outer supporting leg 20, a locking nut 21 and a locking screw 22.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a screening device for mortar raw materials comprises a bottom plate 1, guide rails 2 are arranged on the front side and the rear side of the upper surface of the bottom plate 1, two sliders 3 are mounted on each guide rail 2, the guide rails 2 and the sliders 3 play a role in guiding and supporting, L-shaped supporting plates 4 are mounted on the upper surfaces of the four sliders 3, a connecting seat 5 is mounted on the left side surface of each L-shaped supporting plate 4, one end of a connecting rod 6 is rotatably connected onto each connecting seat 5, the other end of each connecting rod 6 is rotatably connected with a crankshaft 7, each crankshaft 7 is connected with a motor 8 through a coupling, each motor 8 is mounted on a motor base 9, each motor base 9 is mounted on the upper surface of the bottom plate 1 and positioned on the left side of each guide rail 2, shaft bearings are arranged on the crankshaft 7 and positioned on the front side and the rear side of each connecting rod 6, and two shaft, the device has the functions of rolling support, increasing the stability of the crankshaft 7, controlling the work of the motor 8, driving the crankshaft 7 to rotate through the shaft coupling, driving the connecting rod 6 to pull the L-shaped supporting plate 4 to move left and right under the guiding action of the guide rail 2 and the sliding block 3, wherein the four corners of the upper surface of the L-shaped supporting plate 4 are respectively provided with a spring assembly, the four upper surfaces of the spring assemblies are provided with a screening box 10, the spring assemblies are used for supporting and installing the screening box 10, the inside of the screening box 10 is provided with a limiting seat, the inside of the limiting seat is provided with a screen 11 for screening raw materials, the upper end surface of the screening box 10 is provided with a charging hole 12, the outer lower surface of the screening box 10 is provided with a discharging hole 13, the outer side surface of the screening box 10 is provided with a vibrating motor 14 for shaking the screening box 10, and, the function of facilitating the placement of the device on the ground is achieved.

Particularly, spring unit is including installing in the bed plate 15 of 4 upper surfaces of L type backup pad, the upper surface of bed plate 15 is provided with a support section of thick bamboo 16, there is I shape support piece 17 support section of thick bamboo 16's up end through bolt swing joint, support section of thick bamboo 16's inside and lie in and be provided with spring 18 between bed plate 15 and the I shape support piece 17, the outer lower surface and the I shape support piece 17 of screening case 10 link to each other, and when vibrating motor 14 during operation, make screening case 10 rock to transmit the vibration for spring 18 through I shape support piece 17, thereby accomplish the screening work of raw materials.

Particularly, the landing leg subassembly is including being fixed in the interior support leg 19 of bottom plate 1 lower surface, the outside of interior support leg 19 is provided with outer support leg 20, the lateral surface top of outer support leg 20 is provided with lock nut 21, the internal thread connection of lock nut 21 has locking screw 22, the lateral wall that outer support leg 20 was passed to locking screw 22 contacts with interior support leg 19, the other end is provided with the locking knob, the lower terminal surface of outer support leg 20 is provided with the base, rotates the locking knob, through controlling each other between the screw thread, can change the position of locking screw 22 in lock nut 21 to make locking screw 22 press from both sides tightly or loosen interior support leg 19, the final regulation of accomplishing external support leg 20 position.

Specifically, four sliders 3 are connected to four corners of the lower surface of the L-shaped support plate 4, respectively.

Specifically, all open the through-hole that is used for passing through bin outlet 13 on bottom plate 1 and the L type backup pad 4, bin outlet 13 is located between two guide rails 2, plays the effect of the row of being convenient for material.

Specifically, the upper surface of the bottom plate 1 and the left and right end surfaces of each guide rail 2 are provided with limiting blocks, so that the limiting effect is achieved.

The working principle is as follows: the utility model discloses in the use, control vibrating motor 14 work to make screening case 10 rock, can accomplish raw materials screening work, when screening case 10 rocked, can transmit the vibration to spring 18 through I-shaped support piece 17, because spring 18 has elasticity, can increase the frequency of rocking of screening case 10, help accomplishing the screening work of raw materials; simultaneously, 8 work of control motor drive bent axle 7 through the shaft coupling and rotate, under the guide effect of guide rail 2 and slider 3, drive connecting rod 6 pulling L type backup pad 4 and remove, and then make screening case 10 and control and rock, do reciprocal linear motion, more help the screening of raw materials, make the quick discharge from bin outlet 13 of following of thick piece in the grit, improve work efficiency.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

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

Claims (6)

1. The utility model provides a sieving mechanism for mortar raw materials, includes bottom plate (1), its characterized in that: the front and back sides of the upper surface of the bottom plate (1) are provided with guide rails (2), each guide rail (2) is provided with two sliding blocks (3), the upper surfaces of the four sliding blocks (3) are provided with L-shaped supporting plates (4), the left side surface of each L-shaped supporting plate (4) is provided with a connecting seat (5), one end of a connecting rod (6) is rotatably connected onto each connecting seat (5), the other end of each connecting rod (6) is rotatably connected with a crankshaft (7), each crankshaft (7) is connected with a motor (8) through a coupling, each motor (8) is arranged on a motor base (9), each motor base (9) is arranged on the upper surface of the bottom plate (1) and positioned on the left side of each guide rail (2), shaft bearings are arranged on the crankshafts (7) and positioned on the front and back sides of the connecting rods (6), and are arranged on the upper surface of the bottom plate (1, the utility model discloses a screening box, including L type backup pad (4), spring assembly, screening case (10), the inside of screening case (10) is provided with spacing seat, the inside of spacing seat is provided with screen cloth (11), the up end of screening case (10) is provided with charge door (12), the outer lower surface of screening case (10) is provided with bin outlet (13), the lateral surface of screening case (10) is provided with vibrating motor (14), the lower surface four corners of bottom plate (1) all is provided with landing leg assembly.

2. The screening device for mortar raw materials according to claim 1, characterized in that: spring unit is including installing in bed plate (15) of L type backup pad (4) upper surface, the upper surface of bed plate (15) is provided with a support section of thick bamboo (16), there are I shape support piece (17) through bolt swing joint in the up end of a support section of thick bamboo (16), the inside of a support section of thick bamboo (16) just is located and is provided with spring (18) between bed plate (15) and I shape support piece (17), the outer lower surface and the I shape support piece (17) of screening case (10) link to each other.

3. The screening device for mortar raw materials according to claim 1, characterized in that: the landing leg subassembly is including being fixed in interior supporting leg (19) of bottom plate (1) lower surface, the outside of interior supporting leg (19) is provided with outer supporting leg (20), the lateral surface top of outer supporting leg (20) is provided with lock nut (21), the inside threaded connection of lock nut (21) has lock screw (22), the lateral wall that outer supporting leg (20) were passed to the one end of lock screw (22) contacts with interior supporting leg (19), the other end is provided with the locking knob, the lower terminal surface of outer supporting leg (20) is provided with the base.

4. The screening device for mortar raw materials according to claim 1, characterized in that: the four sliding blocks (3) are respectively connected with four corners of the lower surface of the L-shaped supporting plate (4).

5. The screening device for mortar raw materials according to claim 1, characterized in that: all open the through-hole that is used for passing through bin outlet (13) on bottom plate (1) and L type backup pad (4), bin outlet (13) are located between two guide rails (2).

6. The screening device for mortar raw materials according to claim 1, characterized in that: the upper surface of the bottom plate (1) is provided with limiting blocks at the left end surface and the right end surface of each guide rail (2).

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