CN112249385B

CN112249385B - Paste filling machine

Info

Publication number: CN112249385B
Application number: CN202011142503.4A
Authority: CN
Inventors: 陈月升; 李晓
Original assignee: Southeast University
Current assignee: Southeast University
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2022-02-11
Anticipated expiration: 2040-10-22
Also published as: CN112249385A

Abstract

The invention provides a paste filling machine which comprises a feed hopper, a material receiving device and a conveying device, wherein a piston type moving part for pressing a paste into the material receiving device from the feed hopper is arranged in the feed hopper; the paste transfer device is characterized by further comprising a transmission mechanism, wherein the transmission mechanism drives the piston of the piston type moving part to move and simultaneously drives the material receiving device to do intermittent rotary motion, and the material receiving device transfers paste from one side close to the feed hopper to one side close to the conveying device through the rotary motion. The invention realizes the continuous production of filling and transmission by the intermittent rotation of the turntable, has simple structure, convenient operation and convenient maintenance, reduces the complexity of equipment maintenance operation, is suitable for small and medium-sized places, and saves the cost. The connecting section of feeder hopper bottom is unsettled for the hopper support, only need unscrew during the sealing member change in the hopper bottommost gland nut can, compare in the direct and hopper support top surface laminating of connecting section bottom surface and compare, need not to pull down whole hopper, improved the convenience of maintenance operation.

Description

Paste filling machine

Technical Field

The invention relates to the technical field of filling machines, in particular to a paste filling machine.

Background

The filling machine can be used for filling and conveying paste, and mostly comprises a feeding device, a filling mechanism, a conveying belt and a corresponding driving transmission mechanism. In the prior art, a canning machine can carry out continuous canning operation, has high production efficiency, but has the defects of large occupied area, complex structure and high cost, and is not suitable for application in small and medium-sized occasions. Due to the structural design defect, the equipment, particularly the feeding device, is very complicated to operate during daily maintenance in the long-term use process, and the reliability in the operation process is poor; in addition, continuous filling and conveying are not suitable for the rhythm of small-scale production, so a filling machine which is suitable for being used in small and medium-sized places and has high reliability needs to be designed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the paste filling machine, the connecting structure of the feeding device is reasonable, the operation is simple and convenient during daily maintenance, and meanwhile, the running reliability of the equipment is improved so as to be suitable for the application in small and medium-sized occasions.

The technical scheme adopted by the invention is as follows:

a paste filling machine comprises a feed hopper, a material receiving device and a conveying device, wherein a piston type moving part is arranged in the feed hopper, and the piston type moving part presses paste into the material receiving device from the feed hopper; the paste feeding device is characterized by further comprising a transmission mechanism, the transmission mechanism drives the piston type moving part to move through a piston and simultaneously drives the material receiving device to do intermittent rotary motion, and the material receiving device transfers paste from one side close to the feeding hopper to one side close to the conveying device through rotary motion.

The feeding hopper is fixedly connected with the fixed rack through a hopper support, the piston type moving part structurally comprises a piston rod, a material blocking frame for separating the internal space of the feeding hopper is arranged in the feeding hopper, a through hole for the piston rod to pass through is formed in the middle of the material blocking frame, the inner diameter of the through hole is larger than the diameter of the piston rod, and a valve end limited by the through hole is arranged at the top end of the piston rod; the bottom of the feed hopper extends downwards to form a connecting section, and the bottom end of the piston rod extends out of the connecting section and then is in transmission connection with the cam piece.

The connecting section is relative to the suspended setting of the hopper support, be equipped with between the connecting section and the piston rod with piston rod complex sealing member, the connecting section bottom with its export confined gland nut detachable connection, the sealing member is through set firmly in gland is fixed on the gland nut.

The piston type moving part further comprises a limiting frame which is sleeved on the piston rod and matched with the material blocking frame, a hollow part is arranged in the middle of the limiting frame, paste body passes through the through hole and then enters the feed hopper through the hollow part, a side face of the feed hopper, which is positioned in the lower space of the material blocking frame, is connected with a guide pipe, and an outlet of the guide pipe is in butt joint with the material receiving device.

The bottom end of the piston rod extends out of the connecting section, penetrates through a mounting plane of the fixed rack for mounting the hopper bracket and is in transmission connection with the cam piece; and a limiting part for radially limiting the piston rod is arranged on the mounting plane through a pipe clamp.

The limiting part structurally comprises a V-shaped wheel, and a groove matched with the V-shaped wheel is formed in the piston rod; the pipe clamp is provided with the V-shaped wheel through a short shaft, and an opening of the pipe clamp is locked through an end cover.

The material receiving device structurally comprises a vertical shaft, the vertical shaft is connected with the fixed rack through a first mounting sleeve, a turntable is arranged at the top end of the vertical shaft, a grooved wheel is arranged at the bottom end of the vertical shaft, the grooved wheel and a drive plate are in matched transmission through a drive pin on the drive plate to drive the turntable to intermittently rotate, and the drive plate is sleeved on a drive shaft; the tray is fixedly connected with the top end of the mounting sleeve and is in butt joint with the lower portion of the rotary disc.

The grooved wheel is connected with the fixed rack through an elastic auxiliary positioning piece for preventing the grooved wheel from radially shaking, one end of the elastic auxiliary positioning piece is fixedly connected with the fixed rack, the other end of the elastic auxiliary positioning piece is rotatably connected with the grooved wheel through a pipe fitting with a built-in spring and a bearing device at the end part of the pipe fitting, one end of the spring is connected with the bearing device, and the other end of the spring is connected with an adjusting bolt which is arranged in the pipe fitting and is matched with the pipe fitting.

The transmission mechanism comprises a distribution shaft, one end of the distribution shaft drives one end of the shifting shaft to be in transmission connection through a gear assembly, the other end of the distribution shaft is provided with the cam piece, and the bottom end of the piston rod is connected with a rolling bearing piece which is in transmission fit with the cam piece.

The poking shaft is connected with the fixed rack through a second mounting sleeve, and the other end of the poking shaft is in transmission connection with a conveying belt serving as the conveying device through a gear assembly; the distribution shaft is driven by a motor arranged on the fixed frame through a speed reducer.

The invention has the following beneficial effects:

the invention realizes the continuous production of filling and transmission by the intermittent rotation of the turntable, has simple structure, convenient operation and convenient maintenance, reduces the complexity of equipment maintenance operation, is suitable for small and medium-sized places, and saves the cost.

The connecting section at the bottom end of the feeding hopper is suspended relative to the hopper support, a sealing element in the hopper is replaced only by unscrewing the bottommost gland nut, and compared with the mode that the bottom surface of the connecting section is directly attached to the top surface of the hopper support, the whole hopper does not need to be detached, and the convenience of maintenance operation is improved.

The elastic auxiliary positioning piece is convenient for accurate positioning when the grooved pulley is installed, and simultaneously, the pretightening force of the spring is adjusted through the adjusting bolt, so that the grooved pulley stops rotating more stably and accurately after being stirred to rotate by the driving plate 31 in the working process.

The valve end of the piston rod and the limiting frame control the motion stroke of the piston rod, so that paste is ensured to enter the hopper smoothly, the piston rod is prevented from dropping out of the feed hopper, and the limiting frame extrudes the paste downwards to enable the paste to be pressed into the guide pipe smoothly.

The rotation of the rotary table and the movement of the piston rod are driven by the same distribution shaft, the structural design is reasonable, the connecting mechanism is simple and efficient, and the efficiency of the transmission mechanism is improved.

Drawings

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

Fig. 2 is a schematic view of the mounting structure of the feed hopper of the present invention.

Fig. 3 is a schematic view of an installation structure of the receiving device of the invention.

Fig. 4 is a schematic view of the mounting structure of the transmission mechanism structure of the present invention.

Fig. 5 is a sectional view of section a-a in fig. 4.

In the figure: 1. fixing the frame; 2. a motor; 3. a dispensing shaft; 4. a cam member; 5. a rolling bearing member; 6. a hopper support; 7. a gland nut; 8. a sealing gland; 9. a seal member; 10. a piston rod; 11. a feed hopper; 12. a limiting frame; 13. a material blocking frame; 14. a valve end; 15. an end cap; 16. a pipe clamp; 17. a conduit; 18. an elastic auxiliary positioning member; 19. adjusting the bolt; 20. a vertical shaft; 21. installing a first sleeve; 22. a spring; 23. a grooved wheel; 24. a turntable; 25. a tray; 26. a conveying device; 27. a second bevel gear; 28. mounting a second sleeve; 29. pulling a pin; 30. a locking disc; 31. a dial; 32. a shifting shaft; 33. a tension wheel; 34. a minor axis; 35. a V-shaped wheel; 36. a speed reducer; 37. a first bevel gear; 101. a mounting plane; 111. a connecting section; 121. a hollow-out section; 131. and a through hole.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the paste filling machine of this embodiment includes a feed hopper 11, a material receiving device, and a conveying device 26, wherein a piston-type moving part is arranged in the feed hopper 11, and presses the paste from the feed hopper 11 into the material receiving device;

the paste transfer device further comprises a transmission mechanism, the transmission mechanism drives the piston of the piston type moving part to move, meanwhile, the material receiving device is driven to do intermittent rotary motion, and the paste is transferred to the side close to the conveying device 26 from the side close to the feed hopper 11 by the rotary motion of the material receiving device.

As shown in fig. 1 and 2, a feed hopper 11 is fixedly connected with a fixed frame 1 through a hopper support 6, a piston type moving part structurally comprises a piston rod 10, a material blocking frame 13 for separating the inner space of the feed hopper 11 is arranged in the feed hopper, a through hole 131 for the piston rod 10 to pass through is formed in the middle of the material blocking frame 13, the inner diameter of the through hole 131 is larger than the diameter of the piston rod 10, and a valve end 14 limited by the through hole 131 to pass through is arranged at the top end of the piston rod 10; the connecting section 111 extends downwards from the bottom of the feeding hopper 11, and the bottom end of the piston rod 10 extends out of the connecting section 111 and is connected with the cam member 4 in a driving manner.

As shown in fig. 2, the connecting section 111 is suspended from the hopper frame 6, a sealing member 9 engaged with the piston rod 10 is disposed between the connecting section 111 and the piston rod 10, the bottom of the connecting section 111 is detachably connected to the gland nut 7, and the sealing member 9 is fixed by a sealing gland 8 fixed to the gland nut 7.

Specifically, linkage segment 111 and gland nut 7 threaded connection, and the opening that is used for passing piston rod 10 bottom linkage segment 111 through gland nut 7 seals, sealing member 9 can adopt the sealing filler standard component commonly used, the cover is located on piston rod 10, and compress tightly fixedly by the gland 8 that links firmly on gland nut 7, because linkage segment 111 is unsettled for hopper support 6 and sets up, the bottom surface of linkage segment and 6 top surfaces of hopper support separate each other and do not laminate promptly, consequently when changing sealing member 9 (because work needs often to be changed and overhaul), only need dismantle gland nut 7 and can accomplish the change, and directly be connected with 6 laminating of hopper support with linkage segment 111 and compare, need not to dismantle whole feeder hopper 11, thereby improve the convenience of maintenance operation.

The structure of the piston type moving part further comprises a limiting frame 12 which is sleeved on the piston rod 10 and matched with the material blocking frame 13, the limiting frame 12 matched with the material blocking frame 13 is sleeved on the piston rod 10, a hollow part 121 is arranged in the middle of the limiting frame 12, paste body enters the feed hopper 11 from the hollow part 121 after passing through the through hole 131, a side face, located in the lower space of the material blocking frame 13, in the feed hopper 11 is connected with a guide pipe 17, and an outlet of the guide pipe 17 is in butt joint with the material receiving device.

As shown in fig. 1, 2 and 4, the bottom end of the piston rod 10 extends out of the connecting section 111, passes through the mounting plane 101 of the fixed frame 1 for mounting the hopper bracket 6, and is then in driving connection with the cam member 4; a stopper for radially stopping the piston rod 10 is mounted on the mounting plane 101 via the pipe clamp 16.

Specifically, the mounting plane 101 is an upper surface of the stationary gantry 1.

Specifically, a convex part is arranged on the limiting frame 12, a hollow part 121 is arranged in the middle of the limiting frame 12, a baffle plate body with a diameter larger than that of the piston rod 10 is arranged at the lower part of the limiting frame 12, a concave part matched with the convex part is arranged on the material blocking frame 13, the valve end 14 can be arranged in a tapered structure, and the diameter of the large-diameter end of the valve end is larger than the inner diameter of the through hole 131 so as to limit the position of the piston rod 10 moving downwards and prevent the piston rod from falling out of the feed hopper 11; when the piston rod 10 is in the process of piston movement in the feed hopper 11, when the piston rod moves upwards, the valve end 14 opens the orifice of the through hole 131, the highest movement position is limited by the matching of the convex part and the concave part, the feed hopper 11 is prevented from being separated, the paste flows in from the through hole 131, enters the space of the feed hopper 11 below the material blocking frame 13 through the hollow part 121 of the limiting frame 12, and when the piston rod moves downwards, the paste is extruded downwards into the guide pipe 17 through the limiting frame 12 and flows to the material receiving device through the guide pipe 17. During the downward movement of the piston rod 10, the valve end 14 cooperates with the through hole 131 to define the lowest movement position of the piston rod 10, preventing it from falling out of the hopper 11. The tapered configuration of the valve end 14 facilitates the smooth discharge of the paste to avoid accumulation on the valve end 14.

As shown in fig. 4 and 5, the structure of the position limiting member includes a V-shaped wheel 35, and the piston rod 10 is provided with a groove matched with the V-shaped wheel 35; the pipe clamp 16 is mounted with a V-wheel 35 via a stub shaft 34 and the opening of the pipe clamp 16 is locked by the end cap 15.

Specifically, when the piston rod 10 moves up and down, the V-shaped wheel 35 radially limits the piston rod 10 through the groove thereof, so as to prevent the piston rod from shaking due to the overlong axial length.

As shown in fig. 1 and 3, the receiving device structurally comprises a vertical shaft 20, and the vertical shaft 20 is connected with the fixed frame 1, specifically, the mounting plane 101, through a mounting sleeve 21.

The top end of the vertical shaft 20 is provided with a turntable 24, the bottom end is provided with a grooved wheel 23, the grooved wheel 23 and a drive plate 31 are in matched transmission through a drive pin 29 on the drive plate 31 to drive the turntable 24 to intermittently rotate, and the drive plate 31 is sleeved on a drive shaft 32; the tray 25 is fixedly connected with the top end of the first mounting sleeve 21 and is in butt joint with the lower portion of the rotary table 24.

Specifically, the grooved wheel 23 and the driving plate 31 matched with the grooved wheel can adopt commercially available components to complete intermittent transmission movement, and the specific structure and principle of the grooved wheel are not described in detail.

Specifically, the tray 25 is designed to hold the container containing paste when the rotating disc 24 is stationary and to complete the paste filling process under the intermittent rotation of the rotating disc 24, and to hold the container when the rotating disc 24 is rotating and to smoothly transfer the container from the side close to the guide pipe 17 to the side close to the conveying device 26 (conveyor belt) to the conveyor belt by cooperating with the rotating disc 24. The tray 25 is therefore arranged stationary relative to the stationary gantry 1 and does not move with the rotation of the turntable 24.

As shown in fig. 3, the sheave 23 is connected to the fixed frame 1, in particular, to the mounting plane 101, by means of an elastic auxiliary positioning element 18 preventing radial play thereof;

one end of the elastic auxiliary positioning part 18 is fixedly connected with the fixed frame 1, the other end is rotatably connected with the grooved wheel 23 through a pipe fitting with a built-in spring 22 and a bearing device at the end part of the pipe fitting, one end of the spring 22 is connected with the bearing device, and the other end is connected with an adjusting bolt 19 which is arranged in the pipe fitting and is matched with the pipe fitting.

Specifically, the elastic auxiliary positioning element 18 can be set to be in an L-shaped structure as shown in the figure, the purpose is to fixedly connect the vertical section with the upper fixing frame 1, the horizontal section of the pipe fitting is matched and connected with the grooved pulley 23 through the rolling bearing, the positioning is accurate when the grooved pulley 23 is installed conveniently, and meanwhile, the pretightening force of the spring 22 is adjusted through the adjusting bolt 19, so that the adjusting force for adjusting the elastic auxiliary positioning element 18 is suitable for the grooved pulley 23 play of different degrees, and the elastic auxiliary positioning element can be more stably and accurately stopped rotating after being stirred to rotate by the driving plate 31 in the working process.

As shown in fig. 4, the transmission mechanism includes a distribution shaft 3, one end of the distribution shaft 3 drives one end of the toggle shaft 32 to be connected in a transmission manner through a gear assembly, the other end of the distribution shaft 3 is provided with a cam member 4, and the bottom end of the piston rod 10 is connected with a rolling bearing member 5 which is in matched transmission with the cam member 4.

The distribution shaft 3 is driven by a motor 2 mounted on the frame 1 through a reduction gear 36.

Specifically, according to actual needs, the output shaft of the motor 2 is connected with the speed reducer 36 through a belt transmission or chain transmission mechanism, when the belt transmission mechanism is used, the tension pulley 33 can be arranged to ensure the tension of the transmission belt, and the output shaft of the speed reducer 36 is connected with the distribution shaft 3 through a connecting shaft connector.

Specifically, one end of the distributing shaft 3 is in meshing transmission with a bevel gear I37 mounted at one end of a shifting shaft 32 through a gear piece, as shown in fig. 3, the shifting shaft 32 is connected with the fixed frame 1 through a mounting sleeve II 28, specifically, connected with a mounting plane 101;

the other end of the shifting shaft 32 is in transmission connection with a conveyor belt serving as the conveying device 26 through a gear assembly; specifically, the other end of the dial shaft 32 is provided with a second bevel gear 27 which is connected with a belt wheel of the conveyor belt.

Specifically, the dial 31 is locked to the dial shaft 32 by the lock dial 30.

Specifically, the bottom of the fixed frame 1 can be fixed on the ground or other installation planes through foundation bolts.

Specifically, the technical solution of this embodiment relates to the rotational connection of various shafts and the sliding connection structure of piston rods, etc., and the connection can be realized through corresponding bearing devices conventionally adopted in the field, and the installation position, connection relationship and principle of specific parts are not described in detail.

The working process of the invention is as follows:

the quantitative paste flux firstly flows into the feed hopper 11, the paste enters through the through hole 131 of the material blocking frame 13 and flows into the lower part of the limiting frame 12 through the hollow part 121 of the limiting frame 12, the paste moves along with the piston rod 10 and is extruded to the guide pipe 17 through the limiting frame 12, the paste is filled into a container (not shown in the figure) below the turntable 24 through the guide pipe 17, the turntable 24 is static at the moment, the container is stably stressed through the tray 25, after the filling is finished, the turntable 24 is driven by the grooved pulley 23 to rotate, the container is transferred to one side close to a transmission belt, and therefore the container is conveniently transferred to the transmission belt from the turntable 24. The movement rhythm of each mechanism can be controlled by a PLC to finish high-efficiency automatic operation, the structure is simple, the use is convenient, the equipment reliability is high, the device is suitable for application in medium and small places, the cost can be saved, and the maintenance is convenient.

Claims

1. The paste filling machine is characterized by comprising a feed hopper (11), a material receiving device and a conveying device (26), wherein a piston type moving part is arranged in the feed hopper (11), and the piston type moving part extrudes paste from the feed hopper (11) into the material receiving device; the paste feeding device is characterized by further comprising a transmission mechanism, wherein the transmission mechanism drives the piston type moving part to move through a piston and simultaneously drives the material receiving device to do intermittent rotary motion, and the material receiving device transfers paste from one side close to the feeding hopper (11) to one side close to the conveying device (26) through rotary motion;

the feeding hopper (11) is fixedly connected with the fixed frame (1) through a hopper support (6), the piston type moving part structurally comprises a piston rod (10), a material blocking frame (13) for separating the inner space of the feeding hopper (11) is arranged in the feeding hopper, a through hole (131) for the piston rod (10) to pass through is formed in the middle of the material blocking frame (13), the inner diameter of the through hole (131) is larger than the diameter of the piston rod (10), and a valve end (14) limited by the through hole (131) to pass through is arranged at the top end of the piston rod (10); the bottom of the feed hopper (11) extends downwards to form a connecting section (111), and the bottom end of the piston rod (10) extends out of the connecting section (111) and is in transmission connection with the cam member (4);

the bottom end of the piston rod (10) extends out of the connecting section (111), penetrates through a mounting plane (101) of the fixed rack (1) for mounting the hopper bracket (6), and is connected with the cam piece (4) in a transmission manner; a limiting piece for radially limiting the piston rod (10) is arranged on the mounting plane (101) through a pipe clamp (16);

the limiting piece structurally comprises a V-shaped wheel (35), and a groove matched with the V-shaped wheel (35) is formed in the piston rod (10); the pipe clamp (16) is provided with the V-shaped wheel (35) through a short shaft (34), and the opening of the pipe clamp (16) is locked through the end cover (15).

2. The paste filling machine according to claim 1, wherein the connecting section (111) is suspended in the air relative to the hopper support (6), a sealing element (9) fitted to the piston rod (10) is provided between the connecting section (111) and the piston rod (10), the bottom of the connecting section (111) is detachably connected to a gland nut (7) closing the outlet thereof, and the sealing element (9) is fixed by a sealing gland (8) fixed to the gland nut (7).

3. The paste filling machine according to claim 2, wherein the piston-type moving part further comprises a limiting frame (12) sleeved on the piston rod (10) and matched with the material blocking frame (13), a hollow part (121) is arranged in the middle of the limiting frame (12), paste enters the feed hopper (11) from the hollow part (121) after passing through the through hole (131), a side surface of the feed hopper (11) located in the lower space of the material blocking frame (13) is connected with a guide pipe (17), and an outlet of the guide pipe (17) is in butt joint with the material receiving device.

4. The paste filling machine according to claim 1, characterized in that the structure of the material receiving device comprises a vertical shaft (20), the vertical shaft (20) is connected with the fixed frame (1) through a first mounting sleeve (21), a rotary table (24) is arranged at the top end of the vertical shaft (20), a grooved wheel (23) is arranged at the bottom end of the vertical shaft, the grooved wheel (23) and a drive plate (31) are in matched transmission through a shift pin (29) on the drive plate (31) to drive the rotary table (24) to intermittently rotate, and the drive plate (31) is sleeved on a shift shaft (32); the tray (25) is fixedly connected with the top end of the first mounting sleeve (21) and is butted below the rotary disc (24).

5. The paste filling machine according to claim 4, characterized in that the sheave (23) is connected to the stationary frame (1) through an elastic auxiliary positioning element (18) for preventing radial shaking thereof, the elastic auxiliary positioning element (18) is fixedly connected to the stationary frame (1) at one end and rotatably connected to the sheave (23) through a pipe member with a built-in spring (22) and a bearing device at an end of the pipe member, and the spring (22) is connected to the bearing device at one end and to an adjusting bolt (19) built in and cooperating with the pipe member at the other end.

6. The paste filling machine according to claim 4, characterized in that the transmission mechanism comprises a distribution shaft (3), one end of the distribution shaft (3) drives one end of the shifting shaft (32) to be in transmission connection through a gear assembly, the other end of the distribution shaft (3) is provided with the cam member (4), and the bottom end of the piston rod (10) is connected with a rolling bearing member (5) which is in matched transmission with the cam member (4).

7. The paste filling machine according to claim 6, characterized in that the stirring shaft (32) is connected with the fixed frame (1) through a second mounting sleeve (28), and the other end of the stirring shaft (32) is in transmission connection with a conveyor belt serving as the conveying device (26) through a gear assembly; the distribution shaft (3) is driven by a motor (2) arranged on the fixed frame (1) through a speed reducer (36).