CN212863166U

CN212863166U - Single-screw weightless type feeding machine capable of improving feeding precision

Info

Publication number: CN212863166U
Application number: CN202021775933.5U
Authority: CN
Inventors: 张毅; 宫庆振
Original assignee: Wuxi Haifei Tekemei Mechanical Equipment Co ltd
Current assignee: Wuxi Haifei Tekemei Mechanical Equipment Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-04-02
Anticipated expiration: 2030-08-22

Abstract

The application relates to a single-screw weightless feeder capable of improving feeding precision, which comprises a hopper and a driving mechanism, wherein the hopper is positioned at the top of a conveying pipe of the driving mechanism, a feeding barrel is arranged at one end of the conveying pipe of the driving mechanism in the length direction, an air blowing piece is arranged at one end of the driving mechanism, a vent pipe is arranged at one end of the air blowing piece, and one end of the vent pipe, which is far away from the direction of the air blowing piece, is fixed at the top of the feeding barrel; a blanking pipe is arranged in the blanking barrel, and a position-giving opening is arranged on the outer side wall of the blanking pipe in a penetrating manner. This application has the effect that improves the feed precision of feeding machine.

Description

Single-screw weightless type feeding machine capable of improving feeding precision

Technical Field

The application relates to the field of feeding machines, in particular to a single-screw weightless feeding machine capable of improving feeding precision.

Background

At present, a single-screw weightless feeder is equipment capable of accurately weighing materials and accurately feeding materials.

Chinese patent publication No. CN208345346U discloses a single-screw weightless feeder, which comprises a hopper, a ball hopper, a driving mechanism and a weighing platform. The ball hopper is arranged at the bottom of the hopper, and the inner cavity of the ball hopper is communicated with the inner cavity of the hopper. The driving mechanism is a screw feeder and is arranged at the top of the weighing platform, and one end of the ball hopper, which is far away from the hopper, is fixed at the top of the driving mechanism. The top of the hopper is provided with a feeding hole, the hopper is internally provided with a filter plate with a vibrating screen assembly, and one end of the driving mechanism in the length direction is provided with a discharging hole. The material enters the inner cavity of the hopper from the feeding hole, after the material is filtered by the filter plate, the material passes through the ball hopper and enters the conveying pipe of the driving mechanism, and finally, the material is discharged outwards from the discharging hole.

Aiming at the related technologies, the inventor thinks that the feeding machine has the defects that the blanking cylinder of the feeding machine is fixedly connected with the conveying pipeline of the driving mechanism and is not easy to detach, the inner side wall of the blanking cylinder of the feeding machine is easy to adhere a certain amount of materials after the feeding machine is used for a long time, and the adhered materials are easy to be discharged together with the following materials, so that the feeding precision of the feeding machine is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the feeding precision of the feeding machine, the application provides a single-screw weightless feeding machine for improving the feeding precision.

The application provides a single screw rod weightless formula feeder that improves feed precision adopts following technical scheme: a single-screw weightless feeder capable of improving feeding precision comprises a hopper and a driving mechanism, wherein the hopper is positioned at the top of a conveying pipe of the driving mechanism, a lower charging barrel is arranged at one end of the conveying pipe of the driving mechanism in the length direction, an air blowing piece is arranged at one end of the driving mechanism, a vent pipe is arranged at one end of the air blowing piece, and one end of the vent pipe, which is far away from the direction of the air blowing piece, is fixed at the top of the lower charging barrel; a blanking pipe is arranged in the blanking barrel, and a position-giving opening is arranged on the outer side wall of the blanking pipe in a penetrating manner.

By adopting the technical scheme, the blanking barrel has the characteristic of extremely low static friction coefficient so as to reduce the retention time in the material discharging process, thereby effectively reducing the adhesion phenomenon of the material on the inner side wall of the blanking pipe; the air blast piece is through doing work and circulating from the feed cylinder top towards the bottom with the blast air, and the speed of discharging down of material in the feed cylinder can be accelerated to the air current of circulation, and then has further reduced the dwell time of material at the unloading inside wall to further reduce the adhesion phenomenon of material at the unloading inside wall, it has effectively reduced the phenomenon that the adhesion appears in the material of discharging down around and the quality of material under the increase and decrease, and then has effectively improved the feed precision of feeding machine.

Preferably, a positioning ring plate is arranged on the outer edge of the ventilating pipe and at one end, far away from the air blowing piece, of the ventilating pipe, and a settling tank which is convenient for the positioning ring plate to abut into is arranged on the top wall of the lower charging barrel; the blanking barrel top wall rotates and is provided with a plurality of fixed ring plates used for limiting the position of the fixed ring plate, and one end of each fixed ring plate is provided with a yielding plane.

By adopting the technical scheme, the positioning ring plate is abutted into the inner cavity of the settling tank matched with the positioning ring plate so as to improve the butt joint stability of the vent pipe and the blanking barrel and further ensure that the airflow in the vent pipe can enter the inner cavity of the blanking barrel to the maximum extent; the bottom wall of the fixed ring plate can simultaneously abut against the positioning ring plate and the blanking barrel, so that the position stability of the positioning ring plate in the settling tank is improved; the abdicating plane can separate the fixed ring plate from the top of the positioning ring plate, so that an operator can conveniently install and dismantle the positioning ring plate in the settling tank.

Preferably, the outer edge of the positioning ring plate is provided with a side groove, and an interference ring is arranged in the side groove.

Through adopting above-mentioned technical scheme, the interference ring is used for improving the tight degree of connection and joint strength of positioning ring board in the subsider, and simultaneously, the interference ring can improve the gas tightness of positioning ring board in subsider department, and then in order to reduce the loss when the air current in the ventilation pipe gets into the feed cylinder inner chamber, improves the speed that the blast air piece promoted the material to arrange down in the feed cylinder down, and then has effectively reduced the phenomenon that the adhesion appears in the feed cylinder down to the material.

Preferably, a plurality of deformation cavities are arranged in the interference ring at intervals.

Through adopting above-mentioned technical scheme, the deformation cavity makes the interference ring become more soft, and it has further improved the clearance that the interference ring crowded occupy between the lateral wall of position ring board and subsider, and then has further improved the tight degree of connection of position ring board in the subsider, has further improved the gas tightness of ventilation pipe with lower feed cylinder junction to further ensured the promotion effect of the air current that the air-blast piece blew off to the material.

Preferably, the bottom wall of the settling tank is provided with a plurality of limiting rods, and the top wall of the positioning ring plate is provided with a plurality of through holes for the limiting rods to pass through; each end wall of the limiting rod far away from the direction of the settling tank is provided with a locking groove, and each locking groove is internally provided with a clamping piece.

By adopting the technical scheme, when the positioning ring plate is abutted into the inner cavity of the settling tank, the limiting rod is abutted into the inner cavity of the through hole, so that the position stability of the positioning ring plate in the settling tank is guaranteed; the body of rod of fastener can be screwed up at the locking inslot internal thread, and the end of fastener can support the end wall of tight gag lever post and position ring board simultaneously, and then makes the position ring board comparatively steadily be fixed in the subsider inner chamber.

Preferably, a bottom supporting plate is arranged at one end of the outer edge of the blanking pipe in the length direction, a clamping cylinder is arranged on the top wall of the bottom supporting plate around the periphery of the blanking pipe, and a plurality of fixing pieces are arranged between the clamping cylinder and the blanking cylinder.

By adopting the technical scheme, when the blanking pipe abuts against the inner cavity of the blanking barrel, the top wall of the bottom supporting plate abuts against the bottom wall of the blanking barrel, the clamping barrel is sleeved on the outer side wall of the blanking barrel, and at the moment, the blanking pipe is stably positioned in the inner cavity of the blanking barrel; operating personnel can run through a joint section of thick bamboo with the mounting and extend to down in the feed cylinder, and then so that the unloading pipe is fixed in the feed cylinder inner chamber, guarantee the material at the lower speed of arranging and the efficiency of unloading intraductal side wall.

Preferably, a plurality of extension strips are arranged on the outer side wall of the blanking tube, and a plurality of limit grooves matched with the extension strips are arranged on the bottom wall of the blanking tube.

Through adopting above-mentioned technical scheme, when unloading pipe supports into the feed cylinder inner chamber, the spacing inslot cavity is supported into to the extension, and it has effectively injectd the position of unloading pipe in the feed cylinder down, has reduced the phenomenon that unloading pipe pine appears shaking, moves partially in the feed cylinder inner chamber down, and then has effectively ensured the phenomenon of material accessible unloading pipe in order to arrange down fast to the adhesion has been reduced to the material in the unloading intraductal appearance.

Preferably, the transverse cross-section of the extension bar is dovetail-shaped.

By adopting the technical scheme, the width of the side wall of the dovetail groove-shaped extension strip far away from the blanking pipe is far larger than that of the side wall of the dovetail groove-shaped extension strip on the other side, and the width difference between the dovetail groove-shaped extension strip and the side wall of the blanking pipe is in a decreasing trend; when the extension strip of forked tail cell type supports into the cell body inner chamber with its adaptation, its position is injectd and is difficult to appear the pine and shake, the phenomenon of prejudice, and then has effectively ensured the positional stability of unloading pipe in the feed cylinder down.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the blowing piece is used for blowing strong air flow to flow from the top to the bottom of the lower charging barrel through working, the flowing air flow accelerates the sliding speed of materials in the lower charging barrel, the retention time of the materials on the inner side wall of the lower charging barrel is shortened, the phenomenon that the materials are adhered to the inner side wall of the lower charging barrel is further reduced, the phenomenon that the front and back lower-row materials are adhered and the quality of the lower-row materials is increased and decreased is effectively reduced, and the feeding accuracy of the feeding machine is further effectively improved;

2. the unloading pipe that inside wall static friction coefficient is extremely low, it possesses higher smoothness in comparison with the unloading section of thick bamboo, and then when the unloading pipe supported into the unloading section of thick bamboo inner chamber, the unloading pipe was passed to the material speed that can be faster, and it has further improved the lower speed of arranging of material to the adhesion phenomenon of material has further been reduced.

Drawings

FIG. 1 is a schematic structural diagram of a single-screw weight-loss feeder for improving feeding accuracy according to an embodiment of the present application;

FIG. 2 is a schematic longitudinal sectional view of the connection between the retainer ring plate and the lower feed cylinder;

FIG. 3 is an exploded schematic view of the positional relationship of the feed tube and the feed cylinder;

FIG. 4 is an exploded view of the connection of the retainer ring plate and the lower feed cylinder;

FIG. 5 is a schematic longitudinal sectional view of the connection of the retainer ring plate and the lower feed cylinder.

Description of reference numerals: 1. a hopper; 101. a drive mechanism; 2. feeding the material barrel; 201. a limiting groove; 202. a settling tank; 203. a limiting rod; 204. a locking groove; 205. a fastener; 3. a discharging pipe; 301. a let position port; 302. an extension bar; 303. a bottom supporting plate; 304. a clamping cylinder; 305. a fixing member; 4. a blower member; 401. a vent pipe; 5. positioning the ring plate; 501. a through hole; 502. a side groove; 503. interference ring rings; 504. deforming the cavity; 6. a stationary ring plate; 601. and (4) yielding planes.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a single-screw weightless type feeding machine for improving feeding precision. Referring to fig. 1 and 2, the hopper 1 and the driving mechanism 101 are included. The hopper 1 is used for feeding materials and is vertically arranged on a material conveying pipe of the driving mechanism 101, a discharging barrel 2 is longitudinally arranged at one end of the length direction of the material conveying pipe of the driving mechanism 101, and a discharging pipe 3 is detachably arranged in the discharging barrel 2. The air blowing piece 4 is arranged at one end of the driving mechanism 101 in the length direction and located at the lower charging barrel 2, the ventilation pipe 401 is arranged at one end of the air blowing piece 4, and one end, far away from the air blowing piece 4, of the ventilation pipe 401 is fixedly connected with the top of the lower charging barrel 2. The material is transported to the lower feed cylinder 2 through the material conveying pipe of the driving mechanism 101, and the lower feed pipe 3 reduces the adhesion phenomenon of the material through the smoothness of the inner wall of the lower feed pipe. The air blowing piece 4 is through doing work with the blast air flow from 2 tops of feed cylinder to bottom quick flows, and the air current can accelerate the unloading speed of material to reduce the material because of the adhesion effect that stops the appearance for a long time at 3 inside walls of unloading pipe, and then effectively reduced the phenomenon that the adhesion appears in the material of row down and the quality of row material under the increase and decrease around, effectively improved the feed precision of feeding machine.

Referring to fig. 2 and 3, the discharging tube 3 is a rigid plastic cylinder made of teflon, and the outer side wall of the discharging tube is provided with a relief opening 301 along the thickness direction thereof in a penetrating manner, the inner diameter of the relief opening 301 is matched with the opening of the conveying tube of the driving mechanism 101, so that the material in the conveying tube of the driving mechanism 101 can enter the inner cavity of the discharging barrel 2. The blanking pipe 3 is characterized in that the static friction coefficient of the blanking pipe is extremely low, so that the retention time of the material on the inner side wall of the blanking pipe 3 is shortened, the lower discharge speed of the material is accelerated, and the phenomenon of adhesion of the material is reduced.

Referring to fig. 2 and 3, the outer side wall of the feeding pipe 3 and the two ends in the radial direction of the outer side wall are respectively provided with an extension strip 302, the extension strips 302 and the feeding pipe 3 are integrally formed, the transverse section of each extension strip 302 is in a dovetail groove shape, and the bottom wall of each extension strip 302 and the bottom wall of the feeding pipe 3 are located on the same horizontal plane. The 2 diapalls of feed cylinder are provided with two spacing grooves 201, and spacing groove 201 extends the setting along the direction of height of feed cylinder 2, and the internal diameter size of spacing groove 201 and the peripheral size looks adaptation of extending strip 302. When the blanking tube 3 supports into the inner cavity of the blanking tube 2, the extending strip 302 can support into the inner cavity of the limiting groove 201, so as to improve the position stability of the blanking tube 3 in the blanking tube 2.

Referring to fig. 2 and 3, a bottom support plate 303 is provided at one end of the outer edge of the blanking tube 3 in the longitudinal direction thereof by screws, the bottom wall of the bottom support plate 303 is coplanar with the end wall of the blanking tube 3 in the longitudinal direction, and the top wall of the bottom support plate 303 abuts against the end wall of the extension strip 302 in the longitudinal direction. When the blanking pipe 3 completely supports into the inner cavity of the blanking barrel 2, the top wall of the bottom bracing plate 303 supports against the bottom wall of the blanking barrel 2.

Referring to fig. 2 and 3, the clamping cylinder 304 is arranged on the top wall of the bottom bracing plate 303 around the periphery of the blanking pipe 3, and the height of the clamping cylinder 304 is smaller than that of the blanking pipe 3. When bottom fagging 303 roof offseted with 2 diapalls of feed cylinder, joint section of thick bamboo 304 cup joints in 2 lateral walls of feed cylinder down, and then in order to improve the positional stability of feed pipe 3 in feed cylinder 2 down. A plurality of fixing members 305 are commonly disposed between the clamping cylinder 304 and the lower cylinder 2, and in this embodiment, the fixing members 305 are bolts. The fixing member 305 can penetrate through the clamping cylinder 304 and be screwed into a predetermined thread groove on the outer sidewall of the lower charging barrel 2, so as to fix the lower charging tube 3 in the inner cavity of the lower charging barrel 2.

Referring to fig. 1 and 4, the blower 4 is a blower fixed to the ground by bolts. And a positioning ring plate 5 is integrally formed at one end of the outer edge of the ventilation pipe 401, which is far away from the blowing piece 4, and the side wall of the positioning ring plate 5 in the width direction is coplanar with the end wall of the ventilation pipe 401 in the length direction. The 2 roof of feed cylinder is provided with subsider 202 down, and the internal diameter size of subsider 202 and the peripheral size looks adaptation of retaining ring board 5, and then supports into the inner chamber of subsider 202 through retaining ring board 5 to improve the positional stability of ventilation pipe 401 butt joint in feed cylinder 2 top down.

Referring to fig. 4 and 5, a plurality of limiting rods 203 are vertically welded on the bottom wall of the settling tank 202, and the limiting rods 203 are solid steel rods. The top wall of the positioning ring plate 5 is provided with through holes 501 which are equal to the limiting rods 203 in number in a penetrating manner along the thickness direction, and the inner diameter of each through hole 501 is matched with the outer diameter of each limiting rod 203. When the positioning ring plate 5 is stably seated in the inner cavity of the settling tank 202, the limiting rod 203 is abutted into the inner cavity of the through hole 501, and the top wall of the limiting rod 203 and the top wall of the positioning ring plate 5 are in the same horizontal plane.

Referring to fig. 4 and 5, a locking groove 204 is formed in the top wall of each limiting rod 203, and the locking groove 204 is a threaded groove. A catch 205 is threaded into each locking slot 204, and in this embodiment, the catch 205 is a bolt. When the rod body of the engaging member 205 is screwed in the locking groove 204, the bottom wall of the end of the engaging member 205 abuts against the top walls of the limiting rod 203 and the positioning ring plate 5, so that the positioning ring plate 5 is fixed in the inner cavity of the settling tank 202.

Referring to fig. 3 and 4, the top wall of the lower charging barrel 2 and the position of the settling tank 202 are provided with a plurality of fixing ring plates 6 through pin rotation, and the bottom walls of the fixing ring plates 6 can simultaneously abut against the top walls of the positioning ring plates 5 and the lower charging barrel 2, so that the position stability of the positioning ring plates 5 in the settling tank 202 is further improved. One end of each fixing ring plate 6 is provided with a yielding plane 601, when an operator rotates the fixing ring plate 6 and enables the yielding planes 601 of the fixing ring plates 6 at the two radial ends of the settling tank 202 to face each other, the bottom wall of the fixing ring plate 6 is separated from the positioning ring plate 5, and at the moment, the operator can install and detach the positioning ring plate 5 in the inner cavity of the settling tank 202.

Referring to fig. 4 and 5, the outer side wall of the retainer plate 5 is provided with a side groove 502, and an interference ring 503 is arranged in the side groove 502. In this embodiment, the interference ring 503 is a rubber ring that is flexible and has a high coefficient of static friction on its outer surface. The interference ring 503 can be tightly pressed between the retainer ring plate 5 and the longitudinal side wall of the settling tank 202, thereby further improving the tightness of the connection of the retainer ring plate 5 in the settling tank 202.

Referring to fig. 5, a plurality of deformation cavities 504 are spaced in the interference ring 503, and each deformation cavity 504 extends along the thickness direction of the interference ring 503. The deformed cavity 504 enables the interference ring 503 to become softer, which further improves the connection tightness of the positioning ring plate 5 in the settling tank 202, ensures the air tightness of the connection part of the ventilation pipe 401 and the blanking barrel 2, and further improves the speed and efficiency of material blanking driven by airflow.

The implementation principle of the single-screw weightless feeder for improving the feeding precision in the embodiment of the application is as follows: the blanking pipe 3 is abutted to the inner cavity of the blanking barrel 2, so that the retention time of the materials in the lower discharging process is reduced through the characteristic that the static friction coefficient of the inner side wall of the blanking pipe is extremely low, and the adhesion phenomenon of the materials on the inner side wall of the blanking pipe 3 is further reduced. The air blowing piece 4 is through doing work with the blast air current from the lower feed cylinder 2 top towards the bottom flow, and the dwell time of material at 3 inside walls of unloading pipe has further been shortened to the air current that flows, has further accelerated the speed of discharging down of material, and then has effectively reduced the phenomenon that the adhesion appears in the material of discharging down and the quality of the material of discharging down under the increase and decrease around, has improved the feed precision of feeding machine.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improve single screw rod weightless formula feeder of feed precision, includes hopper (1) and actuating mechanism (101), hopper (1) is located the conveying pipeline top of actuating mechanism (101), the one end of the conveying pipeline length direction of actuating mechanism (101) is provided with feed cylinder (2), its characterized in that down: one end of the driving mechanism (101) is provided with an air blowing piece (4), one end of the air blowing piece (4) is provided with a ventilation pipe (401), and one end, far away from the direction of the air blowing piece (4), of the ventilation pipe (401) is fixed to the top of the lower charging barrel (2); a blanking pipe (3) is arranged in the blanking barrel (2), and a let position opening (301) penetrates through the outer side wall of the blanking pipe (3).

2. A single screw weight loss feeder with improved feeding accuracy as claimed in claim 1, wherein: a positioning ring plate (5) is arranged at the outer edge of the ventilating pipe (401) and at one end, far away from the air blowing piece (4), of the ventilating pipe, and a settling tank (202) which is convenient for the positioning ring plate (5) to abut into is arranged on the top wall of the lower charging barrel (2); the top wall of the lower charging barrel (2) is rotatably provided with a plurality of fixed ring plates (6) used for limiting the positions of the positioning ring plates (5), and each fixed ring plate (6) is provided with a yielding plane (601) at one end.

3. A single screw weight loss feeder with improved feeding accuracy as claimed in claim 2, wherein: the positioning ring plate is characterized in that a side groove (502) is formed in the outer edge of the positioning ring plate (5), and an interference ring (503) is arranged in the side groove (502).

4. A single screw weight loss feeder with improved feeding accuracy as claimed in claim 3, wherein: a plurality of deformation cavities (504) are arranged in the interference ring (503) at intervals.

5. A single screw weight loss feeder with improved feeding accuracy as claimed in claim 2, wherein: a plurality of limiting rods (203) are arranged on the inner bottom wall of the settling tank (202), and a plurality of through holes (501) which are convenient for the limiting rods (203) to pass through are arranged on the top wall of the positioning ring plate (5) in a penetrating manner; each limiting rod (203) is provided with a locking groove (204) at the end wall far away from the direction of the settling tank (202), and a clamping piece (205) is arranged in each locking groove (204).

6. A single screw weight loss feeder with improved feeding accuracy as claimed in claim 1, wherein: a bottom supporting plate (303) is arranged at one end of the outer edge of the blanking tube (3) in the length direction, a clamping cylinder (304) is arranged on the top wall of the bottom supporting plate (303) around the periphery of the blanking tube (3), and a plurality of fixing pieces (305) are arranged between the clamping cylinder (304) and the blanking cylinder (2) together.

7. The single-screw weight loss type feeding machine for improving feeding precision of claim 6, wherein: the outer side wall of the discharging pipe (3) is provided with a plurality of extending strips (302), and the bottom wall of the discharging pipe (2) is provided with a plurality of limiting grooves (201) matched with the extending strips (302).

8. The single-screw weight loss feeder for improving feeding precision of claim 7, which is characterized in that: the transverse section of the extension bar (302) is in a dovetail groove shape.