CN210292747U

CN210292747U - Linear vibration pushing mechanism

Info

Publication number: CN210292747U
Application number: CN201920778198.4U
Authority: CN
Inventors: 詹姆斯·达格拉斯·维勒; 千吉松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-04-10
Anticipated expiration: 2029-05-28

Abstract

The utility model provides a linear vibration pushing mechanism, which relates to the technical field of grain processing and agricultural machinery, and comprises a frame, a screen mechanism and a linkage mechanism, wherein the screen mechanism consists of a plurality of screen groups which are correspondingly arranged up and down, and each screen group consists of an upper screen and a lower screen which have the same structure and are correspondingly arranged up and down; the linkage mechanism comprises a variable speed motor, a rhombic linkage rod, a cam and a linkage rod, wherein an eccentric slideway is arranged on the disc-shaped surface of the cam, a roller driven piece capable of sliding in the eccentric slideway in a reciprocating mode is arranged in the eccentric slideway, a rotating shaft of the variable speed motor is connected with a central shaft of the cam and drives the cam to rotate so as to transmit power to the rhombic linkage rod through the eccentric slideway, and the rhombic linkage rod drives the screen group to do reciprocating motion according to the track of the eccentric slideway. The utility model discloses pass through cam and rhombus trace with variable speed motor and realize that motor speed is linear proportional relation with the volume of pushing away material, realize reaching the stoving condition through adjustment motor speed and temperature.

Description

Linear vibration pushing mechanism

Technical Field

The utility model belongs to the technical field of grain processing and agricultural machine technique and specifically relates to a linear vibration pushing equipment is related to.

Background

The traditional drying towers in China consume tens of millions of tons of coal every year, the drying towers are coal-fired furnaces with less than 20 steam tons, the grain drying industry basically adopts high-temperature drying at present, but the high-temperature drying equipment at present has the defects of high energy consumption, low drying efficiency, decomposition and loss of grain nutrients under long-time high temperature, and the agricultural industry is in urgent need of upgrading.

One reason for low drying efficiency is that the material pushing amount is not uniform during material supply, and linear material pushing cannot be achieved, and since different material types and moisture contained in materials in the drying industry need different drying time and temperature for drying, the material thickness is not uniform due to the fact that linear material pushing cannot be achieved, so that the originally set drying temperature and time cannot be effectively dried, and some material accumulated parts cannot be completely dried; vibration is a common method for continuous automatic material pushing, but the conventional vibrating material pushing device cannot achieve linear quantitative supply generally, so that the problem of low drying efficiency of the conventional drying device is caused, and a material pushing device capable of really pushing material linearly is needed to solve the problem.

Disclosure of Invention

The utility model aims to provide a linear vibration pushing mechanism to solve the technical problem that the prior drying device has low drying efficiency because the vibration pushing device in the prior art cannot achieve linear quantitative supply; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a linear vibration pushing mechanism, which comprises a frame, a screen mechanism arranged on the frame and a linkage mechanism for driving the screen mechanism to do linear vibration,

the screen mechanism is composed of a plurality of screen groups which are correspondingly arranged up and down, each screen group is composed of an upper screen and a lower screen which have the same structure and are correspondingly arranged up and down, the upper screen and the lower screen are obliquely arranged and have opposite oblique directions, and the discharge end of the upper screen is butted with the feed end of the lower screen;

the machine frame is provided with a bearing mechanism, and the upper layer screen and the lower layer screen are both lapped and limited on the machine frame through the bearing mechanism and do reciprocating motion on the bearing mechanism through a linkage mechanism;

the linkage mechanism comprises a variable speed motor, a diamond-shaped linkage rod, a cam and a linkage rod, wherein a mounting plate is arranged on the side part of the rack, the variable speed motor, the diamond-shaped linkage rod and a central shaft of the cam are all arranged on the mounting plate, an eccentric slide way is arranged on the disc-shaped surface of the cam, a roller driven piece capable of sliding in the eccentric slide way in a reciprocating manner is arranged in the eccentric slide way, a connecting point a, a connecting point b, a connecting point c and a connecting point d are sequentially arranged at four opposite corners of the diamond-shaped linkage rod, the connecting point a is connected with the roller driven piece, the connecting point b and the connecting point c are respectively connected with an upper-layer screen mesh and a lower-layer screen mesh, two ends of the linkage rod are respectively connected with the connecting point d of the diamond-shaped linkage rod of an upper-layer screen mesh group and a lower-layer screen mesh group so as to enable the upper-layer screen, the rhombic connecting rod drives the screen group to do reciprocating motion according to the track of the eccentric slideway.

The material pushing mechanism is matched with a drying device for use in the using process, when the material pushing mechanism is used, materials move on an upper screen of a screen group at a designed speed, fall into a feeding end of a lower screen from a discharging end and then fall into a feeding end of an upper screen of a next screen group, so that the materials move on a plurality of screen groups layer by layer, and finally fall into a lower screen of a lowest screen group to realize discharging; in the process of moving the materials on the screen group, drying air of the drying device penetrates through the materials to dry the materials;

the screen cloth group can be according to design speed and material advancing direction reciprocating vibration, realizes through the link gear, and the function realization of link gear specifically includes the vibration of single screen cloth group and two parts of a plurality of screen cloth group linkages, explains the principle of single screen cloth group vibration earlier: the power of the whole linkage mechanism is provided by a variable speed motor, a rotating shaft of the variable speed motor drives a cam to rotate, a central shaft of a rhombic linkage rod is fixed on a mounting plate, so the rhombic linkage rod can rotate by taking the central shaft as the center, in the rotating process of the cam, a connecting point a of the rhombic linkage rod can reciprocate along with a roller driven piece according to a track path of an eccentric slideway, meanwhile, a connecting point b and a connecting point c of the rhombic linkage rod can do reciprocating motion similar to an arc line, the arc line reciprocating motion can be similar to reciprocating vibration through the track path design of the eccentric slideway, further the reciprocating vibration similar to the advancing direction of a material can be realized, and the vibrating force of the reciprocating vibration is respectively transmitted to an upper screen and a lower screen by the connecting point b and the connecting point c, so that the reciprocating vibration of the upper screen and the lower screen is, the material pushing device is characterized in that the discharging end of the upper layer screen is inclined towards the feeding end of the lower layer screen, the moving directions of materials on the upper layer screen and the lower layer screen are opposite, when the connecting point b drives the upper layer screen to move forwards, the connecting point c can drive the lower layer screen to move backwards, and meanwhile, the inclined directions of the upper layer screen and the lower layer screen are also opposite, so that the upper layer screen and the lower layer screen can perform synchronous vibration transmission on the materials, and simultaneously, the vibration frequency of a screen group is increased along with the increase of the rotating speed of a motor, so that the linear proportional relation of the material pushing amount and the rotating speed of the motor is realized, and the drying efficiency of the materials is improved; the plurality of screen groups are linked mainly through the arranged linkage rods, each screen group is provided with a rhombic linkage rod, when the motor drives the corresponding screen group to do reciprocating vibration through the rhombic linkage rod, other screen groups adjacent to the screen group drive the rhombic linkage rod corresponding to the screen group to do the same reciprocating motion through the linkage rod, and then each screen group does the same reciprocating vibration, so that the function of driving a plurality of screen groups by one motor is realized; of course, a plurality of variable speed motors can be arranged, and the rotating speeds of the variable speed motors need to be adjusted to be in a consistent state when the material pushing device is used, so that the consistency of the material pushing amount is ensured.

Optionally, the cam is provided with a convex slideway and a concave slideway on the base circle profile of the eccentric slideway, so that the forward speed of the upper-layer screen and the lower-layer screen in the downward inclining direction is greater than the backward speed. The motion law of the rhombic coupling rod is mainly based on the track path of the eccentric slideway of the cam, in order to ensure that the forward speed of the upper-layer screen and the lower-layer screen in the downward inclining direction is greater than the backward speed, namely, materials are continuously pushed forwards on a screen group, the track path of the cam needs to be designed, the designed convex slideway and concave slideway are two critical points, after the cam rotates, the sliding law of the roller driven piece is that a base circle contour-a convex slideway-a concave slideway-a base circle contour, all parts of the track path are in smooth butt joint, when the roller driven piece slides into the concave slideway from the convex slideway, the rhombic coupling rod can generate a forward shaking state, and after the roller driven piece continuously slides into the base circle contour, the rhombic coupling rod restores to an original almost stable motion state, therefore, a movement period is completed, and it can be known that in each movement period, the rhombic linkage rod can drive the screen group to realize a forward shaking action, and the resetting action tends to be slow and stable after the forward shaking action, so that materials can be continuously shaken forward on the screen group, and the tendency of the materials can hardly be influenced in the resetting process.

Optionally, the linkage mechanism comprises a variable speed motor and a plurality of diamond-shaped linkage rods, a cam and linkage rods, and the plurality of screen groups of the screen mechanism realize synchronous motion through linkage cooperation of the linkage rods and the diamond-shaped linkage rods. The variable speed motor has the advantages that the rotating speed is convenient to adjust, and the variable speed motor is suitable for a small pushing mechanism due to the power limitation of the motor.

Optionally, the included angles between the upper layer screen and the lower layer screen and the horizontal plane are α, and α is more than or equal to 6 degrees and less than or equal to 20 degrees, for materials with different weights or densities, such as corn and buckwheat, the density of the corn is greater than that of the buckwheat, in order to ensure that the materials run stably on the screen groups, the included angle α of the screen groups for drying the corn needs to be smaller, generally 8-12 degrees, and the included angle α of the screen groups for drying the buckwheat is about 15 degrees.

Optionally, the frame includes the perpendicular bracing piece that sets up around screen cloth mechanism, bearing mechanism is integrative platelike structure or is the support body structure of compriseing a plurality of connecting rods, bearing mechanism's side and perpendicular bracing piece fixed connection and then carry out spacing fixed to the position of erecting the bracing piece, bearing mechanism slope sets up and the same with the inclination of the upper screen cloth or lower floor's screen cloth that correspond, bearing mechanism's front and back edge is all covered in the discharge end or the feed end below of screen cloth group. The bearing mechanism is used for bearing the screen mechanism and providing a certain supporting and moving space for the vibration of the screen group; on the other hand, the vertical support rod of the rack can be stabilized, so that the rack is more stable integrally.

Optionally, the left edge and the right edge of the bearing mechanism are hinged with limiting sliding pieces, the other ends of the limiting sliding pieces are hinged with the side walls of the upper-layer screen or the lower-layer screen above the limiting sliding pieces, and the limiting sliding pieces rotate or slide between the bearing mechanism and the screen group along with the reciprocating motion of the upper-layer screen or the lower-layer screen. Because the screen cloth group is at reciprocating motion's in-process, need have certain removal space, therefore the screen cloth group is not steady state in fact, though can remain stable under the vertical support rod of frame and bearing mechanism's limiting displacement, the condition of still probably appearing separating with the frame, the spacing gleitbretter of setting, owing to adopt can the pivoted articulated mode to connect, neither influence the reciprocating vibration of screen cloth group, also can guarantee the screen cloth group when meeting the resistance, can keep the monolithic connection with the frame.

Optionally, the frame all is equipped with the baffle in the position that corresponds screen cloth group feed end and discharge end, the lateral part parcel of frame is covered to baffle and mounting panel. The effect of baffle is for avoiding the material to slide to the outside of whole mechanism in the clearance of upper screen cloth and lower floor's screen cloth, causes the material loss, and is worth noting that this pushing equipment cooperates drying device to use, and the baffle of setting can also make drying device's steam keep inside the frame, avoids leaking, improves drying efficiency.

Optionally, a return spring connected with the connection point a of the rhombic coupling rod is arranged on the mounting plate. The reset spring is convenient for the reset of the diamond-shaped linkage rod, particularly the diamond-shaped linkage rod which is not provided with the variable speed motor, the power of the diamond-shaped linkage rod completely depends on the action of the linkage rod nearby, the reset delay condition can occur, the moment acts on the linkage rod during reset, the damage to the linkage rod can be increased, and the reset spring can share a part of reset force.

Optionally, the top of the frame is provided with a total feed inlet corresponding to the feed end of the upper screen of the uppermost layer. The total feed inlet is used for conveying materials to the topmost screen group.

Optionally, the top of the rack is also provided with a drying exhaust port, and the bottom of the rack is provided with a drying air inlet. Preferably, the drying exhaust port and the main feed port together hermetically cover the rack headspace.

The utility model provides a pair of linear vibration pushing equipment, its beneficial effect is:

the utility model provides a linear vibration material pushing system who uses in stoving trade, this design passes through cam and rhombus trace and realizes that motor speed is linear proportional relation with the material volume of pushing through the variable speed motor, realizes reaching the drying condition through adjustment motor speed and temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a connection structure between a diamond-shaped linkage rod and a cam according to the present invention;

fig. 2 is a schematic structural view of the cam of the present invention;

fig. 3 is a schematic structural diagram of a screen mechanism formed by a screen group according to the present invention;

fig. 4 is another schematic structural diagram of a screen mechanism formed by a screen group according to the present invention;

fig. 5 is a schematic structural view of a material pushing mechanism formed by a screen group according to the present invention;

fig. 6 is a schematic structural view of a pushing mechanism in embodiment 9 of the present invention.

In the figure, 1-a rack, 2-a screen group, 3-a bearing mechanism, 4-a variable speed motor, 5-a diamond linkage rod, 6-a cam, 7-a linkage rod, 8-a mounting plate, 9-a limiting slide sheet, 10-a baffle, 11-a return spring, 12-a total feed inlet, 13-a drying exhaust outlet, 14-a drying air inlet, 201-an upper screen, 202-a lower screen, 501-a connection point a, 502-a connection point b, 503-a connection point c, 504-a connection point d, 61-a base circle profile, 62-a convex slideway, 63-a concave slideway, 601-an eccentric slideway and 602-a roller follower.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As an alternative to the above-described embodiment,

example 1:

as shown in fig. 1-5, a linear vibration material pushing mechanism includes a frame 1, a screen mechanism disposed on the frame 1, and a linkage mechanism for driving the screen mechanism to perform linear vibration, wherein the screen mechanism is composed of a plurality of screen groups 2 disposed up and down correspondingly, each screen group 2 is composed of an upper screen 201 and a lower screen 202 which are the same in structure and disposed up and down correspondingly, the upper screen 201 and the lower screen 202 are both disposed obliquely and opposite in oblique direction, and a discharge end of the upper screen 201 is butted with a feed end of the lower screen 202; the machine frame 1 is provided with a bearing mechanism 3, the upper-layer screen 201 and the lower-layer screen 202 are both lapped and limited on the machine frame 1 through the bearing mechanism 3 and do reciprocating motion on the bearing mechanism 3 through a linkage mechanism; the linkage mechanism comprises a speed change motor 4, a diamond-shaped linkage rod 5, a cam 6 and a linkage rod 7, a mounting plate 8 is arranged on the side of the frame 1, central shafts of the speed change motor 4, the diamond-shaped linkage rod 5 and the cam 6 are all arranged on the mounting plate 8, an eccentric slide 601 is arranged on the disc-shaped surface of the cam 6, a roller follower 602 capable of sliding in the eccentric slide 601 in a reciprocating manner is arranged in the eccentric slide 601, four opposite corners of the diamond-shaped linkage rod 5 are sequentially provided with a connection point a501, a connection point b502, a connection point c503 and a connection point d504, the connection point a501 is connected with the roller follower 602, the connection point b502 and the connection point c503 are respectively connected with an upper-layer screen 201 and a lower-layer screen 202, two ends of the linkage rod 7 are respectively connected with the connection point d504 of the diamond-shaped linkage rod 5 of the upper-layer screen 2 and the lower-layer, the rotating shaft of the variable speed motor 4 is connected with the central shaft of the cam 6 and drives the cam 6 to rotate so as to transmit power to the rhombic coupling rod 5 through the eccentric slideway 601, and the rhombic coupling rod 5 drives the screen group 2 to do reciprocating motion according to the track of the eccentric slideway 601.

The material pushing mechanism is matched with a drying device for use in the using process, when the material pushing mechanism is used, materials move on the upper-layer screen mesh 201 of the screen mesh group 2 at a designed speed, fall into the feeding end of the lower-layer screen mesh 202 from the discharging end, and then fall into the feeding end of the upper-layer screen mesh 201 of the next-layer screen mesh group 2, so that the materials move on the multiple-layer screen mesh group 2 layer by layer, and finally fall into the lower-layer screen mesh 202 of the lowest-layer screen mesh group 2, and discharging is realized; in the process that the materials move on the screen group 2, drying air of the drying device penetrates through the materials to dry the materials;

the screen cloth group 2 can vibrate in a reciprocating manner according to the design speed and the material advancing direction, and is realized through a linkage mechanism, the function of the linkage mechanism specifically comprises the vibration of the single screen cloth group 2 and two parts of linkage of the multiple screen cloth groups 2, and the principle of the vibration of the single screen cloth group 2 is explained firstly: the power of the whole linkage mechanism is provided by the variable speed motor 4, the rotating shaft of the variable speed motor 4 drives the cam 6 to rotate, because the central shaft of the diamond-shaped linkage rod 5 is fixed on the mounting plate 8, the diamond-shaped linkage rod 5 can rotate by taking the central shaft as the center, and in the rotating process of the cam 6, the connecting point a501 of the diamond-shaped linkage rod 5 can reciprocate along with the roller follower 602 according to the track path of the eccentric slideway 601, meanwhile, the connecting point b502 and the connecting point c503 of the diamond-shaped linkage rod 5 can do reciprocating motion similar to an arc line, the arc line reciprocating motion can be similar to reciprocating vibration through the track path design of the eccentric slideway 601, further, the reciprocating vibration can be similar to the reciprocating vibration deviated to the advancing direction of materials, and the connecting point b502 and the connecting point c503 respectively transmit the vibration force of the reciprocating vibration to the upper screen 201 and the lower screen 202, so as to realize the reciprocating vibration of, it is worth noting that the discharge end of the upper screen 201 is inclined towards the feed end of the lower screen 202, the moving directions of the materials on the upper screen 201 and the lower screen 202 are opposite, and when the connection point b502 drives the upper screen 201 to move forwards, the connection point c503 drives the lower screen 202 to move backwards, and meanwhile, the inclined directions of the upper screen 201 and the lower screen 202 are opposite, so that the upper screen 201 and the lower screen 202 can perform synchronous vibration transmission on the materials, and simultaneously, as the rotating speed of the motor increases, the vibration frequency of the screen group 2 also increases, so that the linear proportional relation between the material pushing amount and the rotating speed of the motor is realized, and the drying efficiency of the materials is improved; the plurality of screen groups 2 are linked mainly through the arranged linkage rods 7, each screen group 2 is provided with a rhombic linkage rod 5, when the motor drives the corresponding screen group 2 to do reciprocating vibration through the rhombic linkage rods 5, other screen groups 2 adjacent to the screen group 2 drive the rhombic linkage rods 5 corresponding to the screen group to do the same reciprocating motion through the linkage rods 7, and then each screen group 2 does the same reciprocating vibration, so that the function of driving a plurality of screen groups 2 by one motor is realized; of course, a plurality of variable speed motors 4 may be provided, and when in use, the rotating speeds of the variable speed motors 4 need to be adjusted to be consistent, so as to ensure the consistency of the material pushing amount.

Example 2:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1 to 5, the eccentric slide 601 of the cam 6 is provided with a convex slide 62 and a concave slide 63 on the base circle profile 61, so that the upper screen 201 and the lower screen 202 advance faster than they retreat in the downward inclination direction. The motion law of the diamond-shaped linkage rod 5 mainly depends on the track path of the eccentric slideway 601 of the cam 6, in order to make the forward speed of the upper-layer screen 201 and the lower-layer screen 202 in the downward-inclined direction thereof greater than the backward speed, that is, to make the material continuously pushed forward on the screen group 2, the track path of the cam 6 needs to be designed, the outward slideway 62 and the inward slideway 63 are two critical points, when the cam 6 rotates, the sliding law of the roller follower 602 is that the base circle profile 61-the outward slideway 62-the inward slideway 63-the base circle profile 61, and it is noted here that all parts of the track path are smoothly butted, when the roller follower 602 slides into the inward slideway 63 from the outward slideway 62, the diamond-shaped linkage rod 5 will appear a state similar to shake forward, and after the roller follower 602 continuously slides into the base circle profile 61, the rhombic connecting rod 5 restores the original almost stable motion state, so that a motion cycle is completed, and the rhombic connecting rod 5 can drive the screen group 2 to realize a forward shaking action in each motion cycle, and the resetting action tends to be slow and stable after the forward shaking action, so that materials can be continuously shaken forward on the screen group 2, and the tendency of the materials can not be influenced in the resetting process.

Example 3:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-5, the linkage mechanism comprises a variable speed motor 4, a plurality of rhombic linkage rods 5, a cam 6 and linkage rods 7, and a plurality of screen groups 2 of the screen mechanism realize synchronous movement through linkage cooperation of the linkage rods 7 and the rhombic linkage rods 5. The advantage of providing a variable speed motor 4 is that it is convenient to adjust the speed, due to the power limitations of the motor, suitable for small pushing mechanisms.

Example 4:

on the basis of the above embodiment, as a further preferable scheme, as shown in fig. 1-5, the included angles between the upper layer screen 201 and the lower layer screen 202 and the horizontal plane are α, and the included angle is equal to or larger than 6 degrees and equal to or smaller than α degrees and equal to or smaller than 20 degrees, for materials with different weights or densities, such as corn and buckwheat, the density of the corn is larger than that of the buckwheat, in order to ensure that the materials run stably on the screen set 2, the included angle α of the screen set 2 for drying the corn needs to be smaller, generally 8-12 degrees, and the included angle α of the screen set 2 for drying the buckwheat is about 15 degrees.

Example 5:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1 to 5, the frame 1 includes a vertical support rod disposed around the screen mechanism, the bearing mechanism 3 is an integral plate structure or a frame structure composed of a plurality of connecting rods, the side of the bearing mechanism 3 is fixedly connected to the vertical support rod to limit and fix the position of the vertical support rod, the bearing mechanism 3 is disposed in an inclined manner and is the same as the inclination angle of the corresponding upper screen 201 or lower screen 202, and the front and rear edges of the bearing mechanism 3 are covered under the discharge end or feed end of the screen group 2. The bearing mechanism 3 is used for bearing the screen mechanism and providing a certain supporting and moving space for the vibration of the screen group 2; on the other hand, the vertical support rod of the frame 1 can be stabilized, so that the frame 1 is more stable as a whole.

Example 6:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1 to 5, the left and right edges of the bearing mechanism 3 are hinged with limiting sliding pieces 9, the other end of each limiting sliding piece 9 is hinged with the side wall of the upper layer screen 201 or the lower layer screen 202 above the limiting sliding piece 9, and the limiting sliding pieces 9 rotate or slide between the bearing mechanism 3 and the screen group 2 along with the reciprocating motion of the upper layer screen 201 or the lower layer screen 202. Because screen cloth group 2 is at reciprocating motion's in-process, need have certain removal space, therefore screen cloth group 2 is not steady state in fact, though can remain stable under the vertical bracing piece of frame 1 and bearing mechanism 3's limiting displacement, the condition of still probably appearing separating with frame 1, the spacing gleitbretter 9 of setting, owing to adopt can the pivoted articulated mode to connect, neither influence the reciprocating vibration of screen cloth group 2, also can guarantee that screen cloth group 2 can keep the monolithic connection with frame 1 when meetting the impetus.

Example 7:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-5, the frame 1 is provided with a baffle 10 at a position corresponding to the feeding end and the discharging end of the screen group 2, and the baffle 10 and the mounting plate 8 wrap and cover the side of the frame 1. The baffle 10 is used for preventing the material from sliding to the outside of the whole mechanism from the gap between the upper screen 201 and the lower screen 202 to cause material loss, and is worthy of being noticed that the pushing mechanism is used in cooperation with the drying device, and the arranged baffle 10 can also enable hot air of the drying device to be kept inside the rack 1, so that leakage is avoided, and the drying efficiency is improved.

Example 8:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-5, the mounting plate 8 is provided with a return spring 11 connected to a connection point a501 of the diamond-shaped linkage 5. The reset spring 11 is arranged to facilitate the reset of the diamond-shaped linkage rod 5, particularly, the diamond-shaped linkage rod 5 without the speed change motor 4 is provided, the power of the diamond-shaped linkage rod 5 completely depends on the action of the adjacent linkage rod 7, the reset delay condition may occur, the moment acts on the linkage rod 7 during the reset, the damage to the linkage rod 7 is increased, and the reset spring 11 can share a part of reset force.

Example 9:

on the basis of the above-mentioned embodiments, as a further preferable solution: as shown in fig. 1-6, the top of the frame 1 is provided with a total feed inlet 12 corresponding to the feed end of the upper screen 201 at the uppermost layer, and the total feed inlet 12 is used for conveying materials to the screen group 2 at the uppermost layer; the top of the rack is also provided with a drying exhaust port 13, the bottom of the rack 1 is provided with a drying air inlet 14, and preferably, the drying exhaust port 13 and the main feed inlet 12 together hermetically cover the top space of the rack 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A linear vibration material pushing mechanism comprises a frame (1), a screen mechanism arranged on the frame (1) and a linkage mechanism for driving the screen mechanism to do linear vibration, and is characterized in that,

the screen mechanism is composed of a plurality of screen groups (2) which are correspondingly arranged up and down, each screen group (2) is composed of an upper screen (201) and a lower screen (202) which have the same structure and are correspondingly arranged up and down, the upper screen (201) and the lower screen (202) are obliquely arranged and have opposite oblique directions, and the discharge end of the upper screen (201) is butted with the feed end of the lower screen (202);

the screen cloth screening machine is characterized in that a bearing mechanism (3) is arranged on the rack (1), the upper layer screen cloth (201) and the lower layer screen cloth (202) are overlapped and limited on the rack (1) through the bearing mechanism (3) and do reciprocating motion on the bearing mechanism (3) through a linkage mechanism;

the linkage mechanism comprises a variable speed motor (4), a diamond-shaped linkage rod (5), a cam (6) and a linkage rod (7), a mounting plate (8) is arranged on the side portion of the rack (1), central shafts of the variable speed motor (4), the diamond-shaped linkage rod (5) and the cam (6) are all arranged on the mounting plate (8), an eccentric slideway (601) is arranged on the disc-shaped surface of the cam (6), a roller follower (602) capable of sliding in the eccentric slideway (601) in a reciprocating manner is arranged in the eccentric slideway (601), four opposite corners of the diamond-shaped linkage rod (5) are sequentially provided with a connection point a (501), a connection point b (502), a connection point c (503) and a connection point d (504), the connection point a (501) is connected with the roller follower (602), and the connection point b (502) and the connection point c (503) are respectively connected with an upper-layer screen (, the two ends of the linkage rod (7) are respectively connected with the connecting points d (504) of the rhombic linkage rods (5) of the screen group (2) on the upper layer and the screen group (2) on the lower layer, so that the screen group (2) on the upper layer and the screen group (2) on the lower layer are synchronously moved, a rotating shaft of the variable speed motor (4) is connected with a central shaft of the cam (6) and drives the cam (6) to rotate, so that power is transmitted to the rhombic linkage rods (5) through the eccentric slide way (601), and the rhombic linkage rods (5) drive the screen group (2) to reciprocate according to the track of the eccentric slide way (601).

2. A linear vibratory pusher mechanism as claimed in claim 1, wherein the cam (6) has an eccentric slide (601) with a base circle profile (61) having a convex slide (62) and a concave slide (63) arranged thereon, so that the upper (201) and lower (202) screens are advanced at a higher speed than the backward speed in the downward tilting direction.

3. The linear vibrating pushing mechanism as claimed in claim 1, wherein the linkage mechanism comprises a variable speed motor (4), a plurality of rhombic linkage rods (5), a cam (6) and linkage rods (7), and a plurality of screen groups (2) of the screen mechanism realize synchronous movement through linkage cooperation of the linkage rods (7) and the rhombic linkage rods (5).

4. A linear vibratory pusher mechanism as claimed in any one of claims 1 to 3, wherein the upper (201) and lower (202) screens are each at an angle of α ° and 6 ° α ° 20 ° to the horizontal.

5. The linear vibrating pushing mechanism according to claim 4, wherein the rack (1) comprises a vertical support rod (101) arranged around the screen mechanism, the bearing mechanism (3) is of an integral plate-shaped structure or a frame structure consisting of a plurality of connecting rods, the side edge of the bearing mechanism (3) is fixedly connected with the vertical support rod (101) so as to limit and fix the position of the vertical support rod (101), the bearing mechanism (3) is obliquely arranged and has the same inclination angle with the corresponding upper screen (201) or lower screen (202), and the front edge and the rear edge of the bearing mechanism (3) are both covered below the discharge end or the feed end of the screen group (2).

6. The linear vibrating pushing mechanism as claimed in claim 5, wherein the left and right edges of the bearing mechanism (3) are hinged with limiting sliding pieces (9), the other ends of the limiting sliding pieces (9) are hinged with the side walls of the upper layer screen (201) or the lower layer screen (202) above the limiting sliding pieces, and the limiting sliding pieces (9) rotate or slide between the bearing mechanism (3) and the screen group (2) along with the reciprocating motion of the upper layer screen (201) or the lower layer screen (202).

7. The linear vibrating pushing mechanism according to claim 6, wherein the frame (1) is provided with a baffle (10) at a position corresponding to the feeding end and the discharging end of the screen group (2), and the baffle (10) and the mounting plate (8) wrap and cover the side of the frame (1).

8. The linear vibrating pushing mechanism as claimed in claim 7, wherein the mounting plate (8) is provided with a return spring (11) connected to the connection point a (501) of the diamond-shaped linkage (5).

9. The linear vibrating pushing mechanism as claimed in claim 8, wherein the top of the rack (1) is provided with a general feed inlet (12) corresponding to the feed end of the uppermost screen (201).

10. The linear vibrating pushing device according to claim 9, wherein the top of the rack (1) is further provided with a drying exhaust port (13), and the bottom of the rack (1) is provided with a drying air inlet port (14).