CN114392918A

CN114392918A - Powder shifter is used in wood flour production of convenient clearance

Info

Publication number: CN114392918A
Application number: CN202210057960.6A
Authority: CN
Inventors: 魏新; 魏桂枝; 胡正艮
Original assignee: Tongcheng Yabo Agricultural Technology Development Co ltd
Current assignee: Tongcheng Yabo Agricultural Technology Development Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-04-26

Abstract

The invention belongs to the technical field of wood powder production, and discloses a conveniently cleaned powder shifter for wood powder production. This powder shifter is used in wood flour production of convenient clearance, at first the staff pours wood flour into from the feed inlet of device main part, and starter motor drives round bar clockwise rotation simultaneously, and the round bar is rotatory to drive the ratchet rotatory through the pawl rotation, and the ratchet is rotatory to be promoted the fixed plate through initiative cam and is moved right, and the fixed plate removes and drives the sieve and remove for the wood flour of sieve is sieved the whereabouts.

Description

Powder shifter is used in wood flour production of convenient clearance

Technical Field

The invention relates to the technical field of wood flour production, in particular to a conveniently cleaned powder sieving machine for wood flour production.

Background

The wood flour is powder made of wood, the wood flour is powder formed by processing and beating leftover bits and pieces left after processing some wood in general, the wood flour is a novel energy-saving and environment-friendly raw material and is widely used as a raw material of various products such as paint, decorative material and the like, the wood flour needs to be screened in the production process, so that the wood flour with different particle sizes is distinguished, and the wood flour can relate to a powder screening machine convenient to clean for producing the wood flour in the screening process.

Common powder shifter for wood flour production can not carry out fine processing to the wood flour of caking when sieving wood flour in the existing market, the caking wood flour that leads to follow-up screening to go out needs the manual work to carry out manual processing, relatively consume the manpower, and contain metallic impurity in the wood flour, if can not sieve out with metallic impurity, influence the follow-up production preparation quality of wood flour, wood flour sieving mechanism blocks up easily in the feeding, pile up easily in the ejection of compact, influence the efficiency of wood flour screening, and complicated is dismantled in the installation of general wood flour sieve, it is troublesome to operate when leading to follow-up screening board to clear up, if not in time clear up, influence the quality of wood flour screening, to the above-mentioned problem, carry out the innovative design on the basis of original powder shifter for wood flour production.

Disclosure of Invention

The invention aims to provide a conveniently cleaned powder sieving machine for wood flour production, and aims to solve the problems that the common powder sieving machine for wood flour production in the market at present cannot well treat agglomerated wood flour when sieving the wood flour, the agglomerated wood flour screened out later needs manual treatment and is relatively labor-consuming, metal impurities are contained in the wood flour, the subsequent production and manufacturing quality of the wood flour is influenced if the metal impurities cannot be screened out, a wood flour screening device is easy to block during feeding, easy to accumulate during discharging, the screening efficiency of the wood flour is influenced, a common wood flour screening plate is complex to mount and dismount, the operation is troublesome when the subsequent screening plate needs to be cleaned, and the quality of the wood flour screening is influenced if the subsequent screening plate is not cleaned in time.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a convenient powder shifter for wood flour production of clearance, includes device main part and supporting leg, and the supporting leg is installed to the bottom of device main part, and the right side of device main part installs the discharge gate to the top of device main part articulates there is the apron, the fixed block is installed to the inside left side top of device main part, and the below bearing of fixed block is connected with the round bar to be provided with the initiative cam on the round bar, the right side of initiative cam is provided with the fixed plate, and the block has the sieve on the fixed plate, and the right side of sieve is provided with the block and has the movable plate, the below of movable plate articulates there is the movable block, and runs through in the middle of the below of movable block has the slide bar to the right side periphery of slide bar is provided with the punching press spring.

Preferably, the right side of device main part is provided with three discharge gate, and the discharge gate is the one-to-one with the sieve to the discharge gate slope sets up in the device main part, the supporting leg is installed to the bottom symmetry of device main part, and the centre of supporting leg is provided with the spring.

Preferably, the feed inlet is installed on the left side of the cover plate, a feeding plate is arranged below the feed inlet, the feeding plate is obliquely arranged below the feed inlet, the left end of the feeding plate is hinged to the installation block, and the bottom end of the installation block is connected with a cord.

Preferably, the mounting panel is installed to the right side below of apron, and the internally mounted of mounting panel has the extrusion spring to the extrusion spring is evenly installed on the top of mounting bracket, it has the push rod to run through on the mounting bracket, and the push rod top is around there being buffer spring to the top at the push pedal is installed to the push rod symmetry, the below of push pedal is provided with the roller bearing, and the roller bearing passes through intermediate junction axle and mounting bracket bearing to be connected, and the recess top evenly distributed of mounting bracket has the brush, the brush on the mounting bracket recess runs through the push pedal.

Preferably, the sieve evenly sets up inside the device main part, and does not set up the sieve mesh on the sieve of device main part below to the sieve mesh of the sieve at device main part top is greater than the sieve mesh of below sieve, the magnet board is installed on the right side of sieve.

Preferably, the baffle is installed to the sieve bilateral symmetry, and the draw-in groove that the left side of sieve set up to the bilateral symmetry of sieve is provided with the recess, the screen cloth of sieve can be steel wire structure material, and the inside of sieve is provided with a plurality of vibration balls to the internally mounted of vibration ball has compression spring, the lug is installed to compression spring's one end, and the lug adopts the rubber material to make.

Preferably, a stop block is arranged below the left side of the moving block, an extension spring is mounted at the bottom end of the stop block, the bottom end of the extension spring is mounted on the device main body, a cord penetrates through the middle of the extension spring and connects the stop block, the stop block and the mounting block together, a pull rod is mounted at the top end of the clamping block, an extension spring is arranged around the periphery of the pull rod and mounted inside the fixing plate, an extension block is clamped at the top end of the fixing plate, an extension spring is mounted at the bottom end of the extension block, and the top end of the extension block is an arc-shaped rubber block.

Preferably, the left side of the slide bar is provided with a limiting block, a rotating rod is connected to the upper left side of the limiting block through a bearing, a driven cam is installed on the rotating rod, the left side of the driven cam is provided with a driven bevel gear, a driving bevel gear is meshed with the driven bevel gear, a ratchet wheel is installed inside the driving bevel gear, a pawl is meshed with the ratchet wheel, the pawl is installed on a round rod, a ratchet wheel is installed inside the driving cam above the round rod, and the direction of the ratchet wheel inside the driving cam and the direction of the pawl are opposite to the direction of the ratchet wheel inside the driving bevel gear and the direction of the pawl inside the driving bevel gear.

Compared with the prior art, the invention has the beneficial effects that: the conveniently cleaned powder sieving machine for wood powder production,

1. firstly, a worker pours wood powder into a feeding hole of a device main body, simultaneously, a motor is started to drive a round rod to rotate clockwise, the round rod rotates to drive a ratchet wheel to rotate through the rotation of a pawl, the ratchet wheel rotates to push a fixing plate to move rightwards through a driving cam, the fixing plate moves to drive a sieve plate to move, so that the wood powder on the sieve plate is sieved and falls down, when the wood powder passes through the sieve plate, the sieve plate moves to drive the vibrating ball to roll back and forth, the compression spring drives the lug pair to stretch and contract through compression to vibrate the sieve plate, so that the wood flour passing through the sieve plate is rapidly vibrated and falls, the sieving efficiency of the sieve plate is accelerated, metal impurities in the wood flour can be better sieved out, when the wood flour passes through the right side of the sieve plate, the metal impurities in the wood flour are adsorbed by the magnet plate, therefore, metal impurities in the wood powder are effectively removed, and the powder screening quality of the powder screening machine for producing the wood powder is effectively improved;

2. when the staff cleared up wood flour powder shifter, can be through opening the apron, the apron is rotatory to be driven and installation piece swivelling movement, and installation piece removes to move down through cotton rope pulling dog and breaks away from spacing to the movable block, and the cotton rope removes pulling pull rod and moves upward simultaneously, and the pull rod shifts up to drive the fixture block and shifts up to break away from to the left fixed of sieve, then the staff moves left through promoting the movable plate, and the pull is dismantled the sieve from movable plate and fixed plate to make the sieve dismantle convenient, the convenient follow-up cleaning work to the sieve.

Drawings

FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of an overall front detailed cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the overall top cross-sectional structure of the present invention;

FIG. 4 is an enlarged structural diagram of a front cross section of a screen plate according to the present invention;

FIG. 5 is an enlarged structural diagram of a sieve plate, a vibrating ball and a bump according to the present invention;

FIG. 6 is an enlarged top view of the drive cam, ratchet and pawl of the present invention;

FIG. 7 is an enlarged top view of the drive bevel gear, ratchet and pawl of the present invention;

FIG. 8 is an enlarged side elevational view of the mounting plate, mounting bracket and roller of the present invention;

FIG. 9 is a schematic view of a front three-dimensional enlarged structure of a screen plate according to the present invention;

FIG. 10 is an enlarged structural view of the front cross section of the fixing plate, the telescopic block and the clamping block of the present invention;

FIG. 11 is an enlarged side view of the fixing plate, the clamping block and the cord of the present invention;

FIG. 12 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a device main body; 2. supporting legs; 3. a discharge port; 4. a cover plate; 5. a feed inlet; 6. mounting blocks; 7. a feeding plate; 8. mounting a plate; 9. a compression spring; 10. a mounting frame; 11. a roller; 12. pushing the plate; 13. a push rod; 14. a buffer spring; 15. a sieve plate; 16. a magnet plate; 17. moving the plate; 18. a moving block; 19. a stopper; 20. an extension spring; 21. a slide bar; 22. stamping a spring; 23. a limiting block; 24. a rotating rod; 25. a driven cam; 26. a driven bevel gear; 27. a clamping block; 28. a pull rod; 29. an extension spring; 30. a fixing plate; 31. a tension spring; 32. a telescopic block; 33. a driving cam; 34. a ratchet wheel; 35. a pawl; 36. a round bar; 37. a driving bevel gear; 38. a fixed block; 39. a cord; 40. vibrating the ball; 41. a compression spring; 42. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a conveniently cleaned powder sieving machine for wood flour production comprises a device main body 1 and supporting legs 2, wherein the supporting legs 2 are installed at the bottom of the device main body 1, the discharge port 3 is installed on the right side of the device main body 1, a cover plate 4 is hinged above the device main body 1, a fixing block 38 is installed above the left side inside the device main body 1, a round rod 36 is connected to the lower bearing of the fixing block 38, an active cam 33 is arranged on the round rod 36, a fixing plate 30 is arranged on the right side of the active cam 33, three discharge ports 3 are arranged on the right side of the device main body 1, the discharge ports 3 correspond to sieve plates 15 one by one, the discharge ports 3 are obliquely arranged on the device main body 1, the supporting legs 2 are symmetrically installed at the bottom of the device main body 1, springs are arranged in the middle of the supporting legs 2, and when the device main body 1 is used for sieving wood flour, the springs arranged in the middle of the supporting legs 2 can effectively play a role of shock absorption protection for the device main body 1, a feed inlet 5 is arranged on the left side of a cover plate 4, a feed plate 7 is arranged below the feed inlet 5, the feed plate 7 is obliquely arranged below the feed inlet 5, the left end of the feed plate 7 is hinged on an installation block 6, the bottom end of the installation block 6 is connected with a cord 39, a mounting plate 8 is arranged below the right side of the cover plate 4, an extrusion spring 9 is arranged inside the mounting plate 8, the extrusion spring 9 is uniformly arranged at the top end of the mounting frame 10, a push rod 13 penetrates through the mounting frame 10, a buffer spring 14 is arranged around the upper part of the push rod 13, the push rod 13 is symmetrically arranged above a push plate 12, a roller 11 is arranged below the push plate 12, the roller 11 is connected with a bearing of the mounting frame 10 through an intermediate connecting shaft, brushes are uniformly distributed above a groove of the mounting frame 10, the brushes on the groove of the mounting frame 10 penetrate through the push plate 12, and are beneficial to upward movement of the roller 11 to drive the mounting frame 10, the upward movement of the mounting rack 10 enables the push rod 13 to be in contact with the mounting rack 8 and pushed to move downward, the push rod 13 moves downward to drive the push plate 12 to move downward, and the push plate 12 moves downward to push the wood powder on the brush at the top of the mounting rack 10 downward, so that the brush of the mounting rack 10 is cleaned;

referring to fig. 1-12, a sieve plate 15 is fastened on a fixed plate 30, a moving plate 17 is fastened on the right side of the sieve plate 15, a moving block 18 is hinged below the moving plate 17, a sliding rod 21 penetrates through the middle of the lower portion of the moving block 18, a punching spring 22 is arranged on the periphery of the right side of the sliding rod 21, the sieve plates 15 are uniformly arranged inside a device main body 1, sieve holes are not formed in the sieve plate 15 at the lowest portion of the device main body 1, the sieve holes of the sieve plate 15 at the top of the device main body 1 are larger than those of the sieve plate 15 at the lower portion, a magnet plate 16 is arranged on the right side of the sieve plate 15, so that a bump 42 can drive a vibrating ball 40 to vibrate under the driving of a compression spring 41, and bumps 42 are uniformly distributed on the vibrating ball 40, so that the vibrating ball 40 can vibrate without damaging a screen mesh, baffles are symmetrically arranged on two sides of the sieve plate 15, and a clamping groove is arranged on the left side of the sieve plate 15, grooves are symmetrically arranged on two sides of the screen plate 15, the screen mesh of the screen plate 15 can be made of steel wire structure material, a plurality of vibration balls 40 are arranged inside the screen plate 15, compression springs 41 are arranged inside the vibration balls 40, a bump 42 is arranged at one end of each compression spring 41 and is made of rubber material, a stop block 19 is arranged below the left side of the moving block 18, an extension spring 20 is arranged at the bottom end of each stop block 19, the bottom end of each extension spring 20 is arranged on the device body 1, a cord 39 penetrates through the middle of each extension spring 20, the stop blocks 19, the fixture blocks 27 and the mounting blocks 6 are connected together through the cord 39, a pull rod 28 is arranged at the top end of each fixture block 27, extension springs 29 are wound around the periphery of each pull rod 28, the extension springs 29 are arranged inside the fixing plate 30, the telescopic blocks 32 are clamped at the top end of the fixing plate 30, and the telescopic springs 31 are arranged at the bottom ends of the telescopic blocks 32, the top end of the telescopic block 32 is an arc-shaped rubber block, the left side of the sliding rod 21 is provided with a limit block 23, the upper left side of the limit block 23 is connected with a rotating rod 24 through a bearing, the rotating rod 24 is provided with a driven cam 25, the left side of the driven cam 25 is provided with a driven bevel gear 26, the driven bevel gear 26 is meshed with a driving bevel gear 37, a ratchet wheel 34 is arranged inside the driving bevel gear 37, the ratchet wheel 34 is meshed with a pawl 35, the pawl 35 is arranged on a round rod 36, the ratchet wheel 34 is also arranged inside the driving cam 33 above the round rod 36, the directions of the ratchet wheel 34 and the pawl 35 inside the driving cam 33 are opposite to the directions of the ratchet wheel 34 and the pawl 35 inside the driving bevel gear 37, the round rod 36 rotates clockwise to drive the driving cam 33 to rotate, and the driving cam 33 pushes the fixing plate 30 to drive the sieve plate 15 to move left and right, drive initiative conical gear 37 rotatory when round bar 36 anticlockwise rotation, initiative conical gear 37 drives the driven conical gear 26 of meshing rotatory, and driven conical gear 26 is rotatory to drive driven cam 25 through bull stick 24 and promotes from top to bottom fixed plate 30 for fixed plate 30 drives the left end of sieve 15 and sieves from top to bottom, makes things convenient for the ejection of compact of wood flour.

The working principle is as follows: according to the figures 1-8, firstly, a worker pours wood powder into a feeding hole 5 of a device main body 1, simultaneously, a motor is started, the motor rotates a round rod 36 to rotate clockwise, the round rod 36 rotates to drive a pawl 35 to rotate, the pawl 35 rotates to drive a ratchet 34 to rotate, the ratchet 34 rotates to drive a driving cam 33 to rotate, the driving cam 33 rotates to push a fixing plate 30 to move rightwards, the fixing plate 30 moves to drive a screen plate 15 to move, the wood powder of the screen plate 15 is screened and dropped, when the fixing plate 30 moves rightwards, a telescopic block 32 at the top end of the fixing plate 30 moves rightwards to push a feeding plate 7 to move, the wood powder on the feeding plate 7 is vibrated and dropped, a telescopic spring 31 enables the telescopic block 32 to vibrate the feeding plate 7 through telescopic movement without damaging the feeding plate 7, the top end of the telescopic block 32 is made of a moving plate made of rubber, and drives the screen plate 17 to have the function when the screen plate 15 moves rightwards, the movable plate 17 moves to drive the movable block 18 to move rightwards, the movable block 18 extrudes the stamping spring 22, the stamping spring 22 rebounds to drive the movable block 18 to move and reset along with the rotation of the driving cam 33, the movable block 18 moves to drive the movable plate 17 to move and reset, so that wood powder on the sieve plate 15 is uniformly screened, when the wood powder passes through the sieve plate 15, the sieve plate 15 moves to drive the vibration ball 40 to roll back and forth, the vibration ball 40 rolls to drive the bump 42 to roll, the compression spring 41 drives the bump 42 to stretch and retract through compression to vibrate the sieve plate 15, so that the wood powder passing through the sieve plate 15 is rapidly vibrated to fall, the screening efficiency of the sieve plate 15 is improved, metal impurities in the wood powder can be better screened out, when the first-layer sieve plate 15 moves leftwards and rightwards, the wood powder caked on the first-layer sieve plate 15 is in contact with the rolling shaft 11, and the rolling shaft 11 rolls the caked wood powder, so that wood flour lumps are crushed, the wood flour lumps are effectively prevented from being processed manually and subsequently, manpower is saved, when the screened wood flour needs to be discharged, a motor can be started to drive a round rod 36 to rotate anticlockwise, the round rod 36 rotates to drive a ratchet wheel 34 to rotate through a pawl 35, the ratchet wheel 34 drives a driving bevel gear 37 to rotate, the driving bevel gear 37 rotates to drive a meshed driven bevel gear 26 to rotate, the driven bevel gear 26 rotates to drive a rotating rod 24 to rotate, the rotating rod 24 rotates to drive a driven cam 25 to rotate, the driven cam 25 rotates to push a fixing plate 30 to move upwards, the fixing plate 30 moves upwards to drive the left end of a sieve plate 15 to move upwards, so that the sieve plate 15 inclines, when the driven cam 25 is separated from the fixing plate 30, the fixing plate 30 resets, so that the sieve plate 15 resets, the bottom end of the fixing plate 30 is provided with an arc-shaped rubber layer, so that the driven cam 25 can be protected, the telescopic spring 31 and the telescopic block 32 at the top end of the fixed plate 30 can not damage the feeding plate 7, and the movable plate 17 and the movable block 18 which are hinged are arranged on the right side of the sieve plate 15, so that the sieve plate 15 is not affected when inclined, the discharging speed of wood flour on the sieve plate 15 is accelerated, when the wood flour passes through the right side of the sieve plate 15, metal impurities in the wood flour are adsorbed by the magnet plate 16, the metal impurities in the wood flour are effectively removed, the wood flour can be removed while being discharged from the discharge hole 3, and the powder sieving quality of the powder sieving machine for producing the wood flour is effectively improved;

according to fig. 1-12, when the wood flour sieving machine needs to be cleaned, a worker can open the cover plate 4 by opening the cover plate 4, the cover plate 4 is rotated to be opened, when the cover plate 4 is opened, the cover plate 4 drives the installation block 6 to rotate and move, the installation block 6 moves to drive the cord 39 to move, the cord 39 pulls the stop block 19 to move downwards, the extension spring 20 drives the stop block 19 to move downwards by compression to separate from the limit of the moving block 18, meanwhile, the cord 39 moves to pull the pull rod 28 to move upwards, the pull rod 28 moves upwards to drive the fixture block 27 to move upwards, the extension spring 29 drives the fixture block 27 to move upwards by compression to separate from the left side of the sieve plate 15, then the worker pushes the moving plate 17 to move towards the fixed plate 30 to draw and detach the sieve plate 15 from the moving plate 17 and the fixed plate 30, thereby the sieve plate 15 is detached conveniently, the worker can clean the sieve plate 15 and clean metal impurities on the magnet plate 16, therefore, the sieve plate 15 is convenient to clean, when the rolling shaft 11 needs to be cleaned, the rolling shaft 11 rolls through left and right contact with the sieve plate 15, when the rolling shaft 11 contacts with the top of the mounting rack 10, the brush on the top of the mounting rack 10 cleans wood powder on the rolling shaft 11, the rolling shaft 11 is convenient to clean, subsequent rolling of the agglomerated wood powder is not affected, when the fixing plate 30 drives the left end of the sieve plate 15 to move upwards under the push of the driven cam 25, the sieve plate 15 drives the rolling shaft 11 to move upwards, the rolling shaft 11 moves upwards to drive the mounting rack 10 to move upwards, the mounting rack 10 does not move in the mounting rack 8 under the compression of the extrusion spring 9, the push rod 13 is pushed to move downwards under the contact with the mounting rack 8 along with the upward movement of the mounting rack 10, the buffer spring 14 enables the push rod 13 to move downwards to drive the push plate 12 to move downwards, and the push plate 12 moves downwards to push down the wood powder on the brush on the top of the mounting rack 10, the brush of the mounting frame 10 is convenient to clean, the brush of the mounting frame 10 is convenient to keep clean, subsequent cleaning of the rolling shaft 11 is not affected, the powder screening machine for wood powder production can be rapidly mounted and dismounted, manpower is greatly saved, meanwhile, powder screening treatment can be better carried out on wood powder, the whole working process of the device is achieved, and the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

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

1. The utility model provides a powder shifter is used in production of wood flour of convenient clearance, includes device main part (1) and supporting leg (2), its characterized in that: the bottom of the device main body (1) is provided with a supporting leg (2), the right side of the device main body (1) is provided with a discharge hole (3), a cover plate (4) is hinged above the device main body (1), a fixed block (38) is arranged above the left side inside the device main body (1), a round rod (36) is connected with a bearing below the fixed block (38), and the round bar (36) is provided with a driving cam (33), the right side of the driving cam (33) is provided with a fixed plate (30), the fixed plate (30) is clamped with a sieve plate (15), a moving plate (17) is clamped at the right side of the sieve plate (15), a moving block (18) is hinged below the moving plate (17), a sliding rod (21) penetrates through the middle of the lower part of the moving block (18), and a stamping spring (22) is arranged on the periphery of the right side of the sliding rod (21).

2. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: the right side of device main part (1) is provided with three discharge gate (3), and discharge gate (3) and sieve (15) are the one-to-one to discharge gate (3) slope sets up on device main part (1), supporting leg (2) are installed to the bottom symmetry of device main part (1), and are provided with the spring in the middle of supporting leg (2).

3. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: the feed inlet (5) is installed on the left side of the cover plate (4), a feeding plate (7) is arranged below the feed inlet (5), the feeding plate (7) is obliquely arranged below the feed inlet (5), the left end of the feeding plate (7) is hinged to the mounting block (6), and the bottom end of the mounting block (6) is connected with a cotton rope (39).

4. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: mounting panel (8) are installed to the right side below of apron (4), and the internally mounted of mounting panel (8) has extrusion spring (9) to extrusion spring (9) evenly install the top at mounting bracket (10), it has push rod (13) to run through on mounting bracket (10), and push rod (13) top is around there being buffer spring (14), and the top at push pedal (12) is installed to push rod (13) symmetry, the below of push pedal (12) is provided with roller bearing (11), and roller bearing (11) are connected through middle connecting axle and mounting bracket (10) bearing to the recess top evenly distributed of mounting bracket (10) has the brush, brush on mounting bracket (10) the recess runs through push pedal (12).

5. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: sieve (15) evenly set up inside device main part (1), and do not set up the sieve mesh on sieve (15) of device main part (1) below to the sieve mesh of sieve (15) at device main part (1) top is greater than the sieve mesh of below sieve (15), magnet board (16) are installed on the right side of sieve (15).

6. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: the baffle is installed to sieve (15) bilateral symmetry, and the draw-in groove that the left side of sieve (15) set up to the bilateral symmetry of sieve (15) is provided with the recess, the screen cloth of sieve (15) can be steel wire structure material, and the inside of sieve (15) is provided with a plurality of vibration balls (40), and the internally mounted of vibration ball (40) has compression spring (41), lug (42) are installed to the one end of compression spring (41), and lug (42) adopt rubber material to make.

7. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: the device is characterized in that a stop block (19) is arranged below the left side of the moving block (18), an extension spring (20) is installed at the bottom end of the stop block (19), the bottom end of the extension spring (20) is installed on the device body (1), a wire rope (39) penetrates through the middle of the extension spring (20), the stop block (19), a clamping block (27) and an installation block (6) are connected together through the wire rope (39), a pull rod (28) is installed at the top end of the clamping block (27), an extension spring (29) is wound around the periphery of the pull rod (28), the extension spring (29) is installed inside a fixing plate (30), an expansion block (32) is clamped at the top end of the fixing plate (30), an expansion spring (31) is installed at the bottom end of the expansion block (32), and the top end of the expansion block (32) is an arc-shaped rubber block.

8. The conveniently cleaned powder sifter for wood flour production according to claim 1, which is characterized in that: a limiting block (23) is installed on the left side of the sliding rod (21), a rotating rod (24) is connected to the upper left side of the limiting block (23) in a bearing mode, a driven cam (25) is installed on the rotating rod (24), a driven bevel gear (26) is arranged on the left side of the driven cam (25), a driving bevel gear (37) is meshed with the driven bevel gear (26), a ratchet wheel (34) is installed inside the driving bevel gear (37), a pawl (35) is meshed with the ratchet wheel (34), the pawl (35) is installed on a round rod (36), a ratchet wheel (34) is installed inside the driving cam (33) above the round rod (36), and the directions of the ratchet wheel (34) and the pawl (35) inside the driving cam (33) are opposite to the directions of the ratchet wheel (34) and the pawl (35) inside the driving bevel gear (37).