CN114223744A

CN114223744A - Automatic discharging and tip pinching machine

Info

Publication number: CN114223744A
Application number: CN202111630643.0A
Authority: CN
Inventors: 叶良金; 孙宏水
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-03-25
Anticipated expiration: 2041-12-28
Also published as: CN114223744B

Abstract

The invention discloses an automatic material discharging and tip pinching machine which comprises a rack and a conveying device arranged on the rack, wherein an installation base is transversely arranged above the conveying device, a lead screw module is arranged on the installation base, the lead screw module comprises a sliding table, a traveling mechanism is connected and arranged on the sliding table, and at least two groups of tip pinching devices are arranged on the traveling mechanism at intervals. The screw rod module comprises a screw rod driving motor, and the conveying device comprises a conveying driving motor; the pinching device is connected with a blade inlet driving motor; and a control circuit for controlling the linkage of the screw rod driving motor, the conveying driving motor and the leaf inlet driving motor is also arranged. The automatic material discharging device can realize automatic material discharging after tea leaf pinching and forming, greatly improves the processing efficiency of tea leaves, has a simple control circuit structure, is low in cost and convenient to maintain, and can be widely applied to the field of production and processing of flat tea, particularly Taiping Houkui.

Description

Automatic discharging and tip pinching machine

Technical Field

The invention relates to the technical field of tea processing machinery, in particular to an automatic discharging and pinching machine.

Background

Taiping Houkui, one of the traditional famous tea and the historical famous tea in China, belongs to the green tea category, is produced in Taiping county (yellow mountain area in yellow mountain city instead of Taiping county) in Anhui, is the best product of Jian tea, and is well-known for a long time. The shape of the Chinese medicinal herb is that two leaves embrace buds, the Chinese medicinal herb is flat and straight, is naturally stretched, is hidden in pekoe, and has the name of 'Houkui, two tips of the two ends of the Chinese medicinal herb, no dispersion, no upwarp and no curling'. In the processing of taiping houkui, tea needs to be pinched to make a tip shape after frying is finished, and then the shaped tea is distributed on a screen mesh by one root and then sent to a drying device for drying. Present hold between fingers sharp machine all need put tealeaves by hand after the press forming, can not realize holding between the fingers automation of sharp back tealeaves and put, consequently, even the shaping speed of holding between the fingers sharp machine is fast again, also need follow-up artifical one to put, and machining efficiency hardly promotes, very consumes manpower and materials, and this is also the leading reason that current taiping kokui tealeaves price is high at present. Meanwhile, most of the existing devices adopt programs such as PLC (programmable logic controller) and the like to control the operation of the motor and related components thereof, and tea growers find that the PLC devices are very easy to break down after using for one or two years, but the general cultural degree of the tea growers is low, few people can maintain the devices, and the maintenance cost is high, so that a plurality of PLC microcomputer control devices can not be used after using for two years.

Disclosure of Invention

The invention aims to provide an automatic discharging and pinching machine, which solves the problems that manual discharging is needed in the existing processing of Taiping Houkui tea, time and labor are wasted, and the processing cost is high.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an automatic it holds between fingers sharp machine to arrange material, includes the frame, sets up the conveyor in the frame, conveyor's top transversely is provided with the installation base, is provided with the lead screw module on the installation base, and the lead screw module includes the slip table, the connection is provided with running gear on the slip table, running gear is last to install at least two sets of sharp devices of holding between the fingers at the interval.

In order to accurately control the work of the screw rod module, the conveying device and the pinching device, the screw rod module comprises a screw rod driving motor, and the conveying device comprises a conveying driving motor and a conveying belt driven by the conveying driving motor; the traveling mechanism is provided with a blade inlet driving motor for controlling the tip pinching device to work; the device is also provided with a control circuit for controlling the linkage of the screw rod driving motor, the conveying driving motor and the leaf inlet driving motor;

the control circuit comprises a left side travel switch and a right side travel switch which are arranged on the mounting base and are respectively positioned at the left and right movement travel end points of the traveling mechanism, and the traveling mechanism is provided with a shift gear matched with the left side travel switch and the right side travel switch; the mounting base is also provided with a first travel switch working synchronously with the left travel switch and a second travel switch working synchronously with the right travel switch; the left side travel switch is electrically connected with a first electric push rod, the right side travel switch is electrically connected with a second electric push rod, the lead screw driving motor is connected with a lead screw motor speed regulator, a forward and reverse rotation terminal of the lead screw motor speed regulator is electrically connected with a forward and reverse rotation switch, and the first electric push rod and the second electric push rod drive the forward and reverse rotation switch to act to control the forward rotation interface or the reverse rotation interface of the lead screw motor speed regulator to be switched on so as to control the forward rotation and the reverse rotation of the lead screw driving motor;

the first travel switch and the second travel switch are electrically connected with a first time relay for controlling the first time relay to work, and the first time relay is electrically connected with the conveying driving motor for controlling the conveying driving motor to work; the first time relay is also electrically connected with a third electric push rod; and a third travel switch for controlling the on-off of the main circuits is arranged on the main circuits of the screw rod driving motor and the blade inlet driving motor, and the third electric push rod controls the third travel switch to work.

In order to control the intermittent movement of the travelling mechanism, a main circuit of the screw rod driving motor is also provided with a second time relay for controlling the on-off of a screw rod driving motor circuit.

In order to avoid overlarge thrust, the first electric push rod, the second electric push rod and the third electric push rod are all powered by a 24V direct-current power supply.

In order to improve the forming effect, each group of pinching devices comprises a pinching upper pressing roller and a pinching lower pressing roller which are matched with each other, and a group of pinching forming grooves are arranged on the pinching upper pressing roller or the pinching lower pressing roller at intervals; the tea leaf inserting device is characterized in that a tea inserting device is arranged on one side of the pinching upper pressing roller and one side of the pinching lower pressing roller, at least two tea inserting holes are formed in the tea inserting device, and the pinching forming grooves correspond to the positions of the tea inserting holes.

For guaranteeing running gear's stability, reduce the pressure of slip table, improve the life of lead screw module, be provided with two support spouts on the installation base, running gear's bottom is provided with and supports spout complex draw runner.

The invention has the beneficial effects that: the control circuit of the invention controls the positive and negative rotation of the screw rod driving motor, controls the rotation of the conveying driving motor and the leaf feeding driving motor, coordinates the actions of the three and accurately controls the operation of the equipment. The control circuit abandons the existing PLC microcomputer control, adopts the most original circuit structure to control, and has the advantages of low cost and convenient maintenance. According to the tea leaf sharp-pinching machine, the lead screw module drives the sharp-pinching device to move back and forth above the conveying device, and tea leaves after being pinched are uniformly arranged on the conveying device by combining high-precision operation of the lead screw, so that the function of automatic material discharging is realized, and the problems that tea leaves are stacked in a mess after the pinching of the tea leaves by the existing sharp-pinching machine is completed, the material discharging needs to be carried out manually again when the tea leaves are dried, the manpower and material resources are consumed, and the processing efficiency is low are solved. The pinching devices can be uniformly distributed in the width direction of the conveying device according to the width of the conveying device, and pinching can be performed simultaneously. Pinch between the fingers point shaping groove on the sharp upper press roll or pinch between the fingers the point on the sharp lower press roll, can realize the better shaping of houkui tealeaves, pinch between the fingers point shaping groove design and make tealeaves stem part be difficult for breaking when the shaping, active substance is difficult for volatilizing in the tealeaves, and the blade is tightened up and is difficult for loosing, the strip type rule of tealeaves. Support the spout, support running gear that can be better avoids lead screw module atress too big, influences the life of lead screw module.

The invention will be explained in more detail below with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a pinching device according to the present invention.

Fig. 3 is a schematic structural view of an upper press roll and a lower press roll of the present invention.

Fig. 4 is a schematic perspective view of a lead screw module according to the present invention.

Fig. 5 is a top view of the lead screw module of the present invention.

Fig. 6 is a side view of the screw module of the present invention.

FIG. 7 is a cross-sectional view of the support runner and slide of the present invention.

FIG. 8 is a control circuit diagram of the present invention.

Detailed Description

An embodiment, as shown in fig. 1 to 8, an automatic discharging and pinching machine comprises a frame 1 and a conveying device 2 arranged on the frame 1, wherein an installation base 3 is transversely arranged above the conveying device 2, a screw rod module 4 is arranged on the installation base 3, the screw rod module 4 comprises a screw rod 43, a sliding table 41 moving back and forth along with the screw rod 43 and a screw rod driving motor 42 driving the screw rod 43 to rotate forward and backward, a traveling mechanism 5 moving along with the sliding table 41 is connected and arranged on the sliding table 41, at least two groups of pinching devices 6 are arranged on the traveling mechanism 5 at intervals, and 2 groups of pinching devices are preferably adopted. In order to ensure the stability of the movement of the traveling mechanism 5, two supporting sliding grooves 31 are arranged on the mounting base 3, a sliding strip 51 matched with the supporting sliding grooves 31 is arranged at the bottom of the traveling mechanism 5, and the sliding strip 51 slides back and forth in the supporting sliding grooves 31.

The conveying device 2 comprises a conveying driving motor 21 and a conveying belt 22 driven by the conveying driving motor 21, and the conveying driving motor 21 is connected with a conveying motor speed regulator 23 for regulating the revolution of the conveying driving motor 21. The rear of the conveyer belt 22 can be directly provided with a heating and drying device, and tea leaves after pinching and pointing can directly fall on the conveyer belt 22 and be conveyed into a rotary drying device for drying. Alternatively, a plurality of screens may be placed on the conveyor belt 22, and the tea leaves may be uniformly arranged on the screens, and then dried by moving the screens to a drying apparatus.

Every group pinch point device 6 including mutually supporting pinch point upper nip roller 61 and pinch point lower nip roller 62, tealeaves output shaft 65 and drive pinch point upper nip roller 61, pinch point lower nip roller 62 and tealeaves output shaft 65 pivoted advance leaf driving motor 66, two sets of pinch point devices 6 adopt one to advance leaf driving motor 66 to drive, connect through connecting axle 67 between two tealeaves output shafts 65. In order to improve the forming effect, a group of pinching tip forming grooves 63 are arranged on the pinching tip upper press roller 61 or the pinching tip lower press roller 62 at intervals; the feeding ends of the upper pinch roller 61 and the lower pinch roller 62 are provided with tea inserting devices 64, the tea inserting devices 64 are at least provided with two tea inserting holes 641 for alternately inserting tea, the pinch forming grooves 63 correspond to the tea inserting holes 641 in position, and tea enters the pinch forming grooves 63 from the tea inserting holes 641. The tea inserting holes 641 are preferably 3, the specifications of the tea inserting holes 641 can be slightly different so as to meet the processing requirements of tea with different thicknesses, the same specifications can be adopted, tea can be alternately inserted, and the processing efficiency is improved.

The discharge end of the pinching device 3 is provided with a discharge hopper 68, and the discharge end of the discharge hopper 68 is a rectangular flat opening 681 matched with the shape of tea. Through the back and forth movement of the pinching device 6, the tea leaves after pinching and forming are discharged from the discharging hopper 68, and the tea leaves are enabled to fall onto the lower conveying belt 22 or the screen mesh placed on the conveying belt 22 in the same direction through the rectangular flat opening 681, so that the automatic discharging is completed. The specific working and matching structure of the pinching device 6 can refer to the structure of the pinching machine component related to the Chinese patent with application number 2021215333012, namely a flat tea pinching machine, applied on 7.7.2021.

In order to accurately control the operation of the automatic discharging and pinching machine, a control circuit for controlling the linkage of the screw rod driving motor 42, the conveying driving motor 21 and the leaf inlet driving motor 66 is also arranged. The control circuit comprises a left side travel switch 7 and a right side travel switch 8 which are arranged on the mounting base 3 and are respectively located at left and right movement travel end points of the traveling mechanism 5, a shift 9 matched with the left side travel switch 7 and the right side travel switch 8 is arranged on the traveling mechanism 5, and the shift 9 presses the left side travel switch 7 and the right side travel switch 8 to control the on-off of the circuit. And the mounting base 3 is also provided with a first travel switch 10 working synchronously with the left travel switch 7 and a second travel switch 11 working synchronously with the right travel switch 8. The dial 9 presses simultaneously the left hand travel switch 7 and the first travel switch 10 or simultaneously the right hand travel switch 8 and the second travel switch 11. The left travel switch 7, the right travel switch 8, the first travel switch 10 and the second travel switch 11 are all normally open switches. The left side travel switch 7 is electrically connected with a first electric push rod 12, the right side travel switch 8 is electrically connected with a second electric push rod 13, the lead screw driving motor 42 is connected and is provided with a lead screw motor speed regulator 14, the positive and negative terminal electricity of the lead screw motor speed regulator 14 is connected and is provided with a positive and negative switch 15, the positive and negative switch 15 chooses for use a six-pin two-gear switch, is provided with on the switch and dials the button, the first electric push rod 12 and the second electric push rod 13 are located on two sides of the dial button, and the control dials the button horizontal swing. Thereby conducting the forward interface or the reverse interface of the speed regulator 14 for controlling the screw rod motor so as to control the forward rotation and the reverse rotation of the screw rod driving motor 42.

The first travel switch 10 and the second travel switch 11 are electrically connected with a first time relay 16 to control the first time relay 16 to work, and the first time relay 16 is electrically connected with a conveying driving motor 21 to control the conveying driving motor 21 to work; the first time relay 16 is also electrically connected with a third electric push rod 17; the main circuits of the screw rod driving motor 42 and the blade driving motor 66 are provided with a third travel switch 18 for controlling the on-off of the main circuits, the third travel switch 18 is a normally closed switch, the third electric push rod 17 is electrified, and the electric push rod extends to act on a contact of the third travel switch 18, so that the third travel switch 18 is switched off. The main circuit is an electrifying circuit of the screw rod driving motor 42 and the blade-entering driving motor 61. In order to control the intermittent movement of the travelling mechanism, a main circuit of the screw rod driving motor 42 is also provided with a second time relay 19 for controlling the on-off of a circuit of the screw rod driving motor 42, and the second time relay 19 is intermittently switched on and off according to set time, so that the screw rod driving motor 42 is intermittently switched on and off.

The specific working mode is as follows: setting the initial state of the traveling mechanism 5 to be positioned at the leftmost side, wherein at the moment, a shift 9 on the traveling mechanism 5 is pressed on a left travel switch 7 and a first travel switch 10, and the left travel switch is arranged; and the first travel switch 10 is turned on. The left side travel switch 7 is switched on, the first electric push rod 12 is switched on, the telescopic rod of the first electric push rod 12 extends out to push the toggle button on the forward and reverse rotation switch 15 to be toggled rightwards, at the moment, the COW and the CM on the screw rod motor speed regulator 14 are switched on, namely, the motor forward rotation circuit is switched on, and the screw rod motor speed regulator 14 controls the screw rod driving motor 42 to rotate forward. Meanwhile, the first travel switch 10 is turned on, so that the first time relay 16 is in a conducting state, the first time relay 16 is turned on, the third electric push rod 17 works, the telescopic rod extends out, the contact on the third travel switch 18 is pushed, so that the third travel switch 18 is disconnected, the main circuits of the leaf inlet driving motor 66 and the lead screw driving motor 42 are disconnected, and the leaf inlet driving motor 66 and the lead screw driving motor 42 are in a stopping state. When the first time relay 16 is switched on, the conveying driving motor 21 is electrified to work to drive the conveying belt 22 to move forwards, the first time relay 16 is switched on for N seconds and then is powered off, and the switching-on time can be set according to actual conditions. The conveyor driving motor 21 is powered off and stops, and the conveyor belt 22 stops after advancing a distance. When the first time relay 16 is switched off, the third electric push rod 17 returns, the third travel switch 18 is switched on, the leaf feeding driving motor 66 and the lead screw driving motor 42 work, the lead screw driving motor 42 rotates forwards, the lead screw module 4 drives the traveling mechanism 5 to move rightwards, meanwhile, under the action of the second time relay 19, the traveling mechanism 5 intermittently moves rightwards, and in the moving process, the leaf feeding driving motor 66 rotates to finish pinching and forming tea leaves. When the traveling mechanism 5 moves to the rightmost end, the shift 9 is pressed on the right-side travel switch 8 and the second travel switch 11, the right-side travel switch 8 and the second travel switch 11 are simultaneously conducted, the right-side travel switch 8 is conducted, the second electric push rod 13 is electrified, the shift knob on the forward and reverse switch 15 is pushed to the left, at the moment, the cow and the ccm on the lead screw motor speed regulator 14 are conducted, namely, the motor reverse circuit is conducted, and the lead screw motor speed regulator 14 controls the lead screw driving motor 42 to reversely rotate. Meanwhile, the second travel switch 11 is turned on, so that the first time relay 16 is in a conducting state, the first time relay 16 is turned on, the third electric push rod 17 works, the telescopic rod extends out, the contact on the third travel switch 18 is pushed, so that the third travel switch 18 is disconnected, the main circuits of the leaf inlet driving motor 66 and the lead screw driving motor 42 are disconnected, and the leaf inlet driving motor 66 and the lead screw driving motor 42 are in a stopping state. When first time relay 16 switched on, carry driving motor 21 and get electric work, drive conveyer belt 22 and move forward, first time relay 16 switches on outage after N seconds, and the time of switching on can be set for according to actual conditions, carries driving motor 21 outage stop work, and conveyer belt 22 stops after advancing a section distance. When the first time relay 16 is switched off, the third electric push rod 17 returns, the third travel switch 18 is switched on, the leaf-entering driving motor 66 and the lead screw driving motor 42 work, the lead screw driving motor 42 rotates reversely, and the lead screw module 4 drives the traveling mechanism 5 to move leftwards, so that the traveling is repeated. And after the conveyer belt 22 runs for a certain distance, the travelling mechanism 5 moves from the leftmost end to the rightmost end, then the travelling mechanism stops, the conveyer belt 22 runs for a certain distance forwards and stops, the travelling mechanism 5 moves again, moves from the rightmost end to the leftmost end, then the travelling mechanism stops, and the conveyer belt 22 continues to move forwards for a certain distance, so that the conveyer belt advances forwards to finish automatic discharging.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. The utility model provides an automatic sharp machine is kneaded to row material, includes frame (1), sets up conveyor (2) on frame (1), its characterized in that: the top of conveyor (2) transversely is provided with installation base (3), is provided with lead screw module (4) on installation base (3), and lead screw module (4) include slip table (41), the connection is provided with running gear (5) on slip table (41), at least two sets of sharp device (6) of holding between the fingers are installed at the interval on running gear (5).

2. The automatic discharge pinching machine of claim 1, wherein: the screw rod module (4) comprises a screw rod driving motor (42), and the conveying device (2) comprises a conveying driving motor (21) and a conveying belt (22) driven by the conveying driving motor (21); a leaf inlet driving motor (66) for controlling the pinching device (6) to work is arranged on the travelling mechanism (5); the device is also provided with a control circuit for controlling the linkage of the screw rod driving motor (42), the conveying driving motor (21) and the leaf inlet driving motor (66);

the control circuit comprises a left side travel switch (7) and a right side travel switch (8) which are arranged on the mounting base (3) and are respectively positioned at left and right movement travel end points of the traveling mechanism (5), and a shift (9) matched with the left side travel switch (7) and the right side travel switch (8) is arranged on the traveling mechanism (5); the mounting base (3) is also provided with a first travel switch (10) working synchronously with the left travel switch (7) and a second travel switch (11) working synchronously with the right travel switch (8); the left side travel switch (7) is electrically connected with a first electric push rod (12), the right side travel switch (8) is electrically connected with a second electric push rod (13), the lead screw driving motor (42) is connected with a lead screw motor speed regulator (14), a forward and reverse terminal of the lead screw motor speed regulator (14) is electrically connected with a forward and reverse switch (15), and the first electric push rod (12) and the second electric push rod (13) drive the forward and reverse switch (15) to act to control the conduction of a forward interface or a reverse interface of the lead screw motor speed regulator (14) so as to control the forward rotation and the reverse rotation of the lead screw driving motor (42);

the first travel switch (10) and the second travel switch (11) are electrically connected with a first time relay (16) and used for controlling the first time relay (16) to work, and the first time relay (16) is electrically connected with a conveying driving motor (21) to control the conveying driving motor (21) to work; the first time relay (16) is also electrically connected with a third electric push rod (17); and a third travel switch (18) for controlling the on-off of the main circuit is arranged on the main circuits of the screw rod driving motor (42) and the blade inlet driving motor (66), and the third electric push rod (17) controls the third travel switch (18) to work.

3. The automatic discharge pinching machine of claim 2, wherein: and a second time relay (19) for controlling the on-off of the circuit of the screw rod driving motor (42) is also arranged on the main circuit of the screw rod driving motor (42).

4. The automatic discharge pinching machine of claim 2, wherein: the first electric push rod (12), the second electric push rod (13) and the third electric push rod (17) are all powered by a 24V direct-current power supply.

5. The automatic discharge pinching machine of claim 1, wherein: each group of pinching devices (6) comprises a pinching upper pressing roller (61) and a pinching lower pressing roller (62) which are matched with each other, and a group of pinching forming grooves (63) are arranged on the pinching upper pressing roller (61) or the pinching lower pressing roller (62) at intervals; one side of the pinching upper pressing roller (61) and one side of the pinching lower pressing roller (62) are provided with tea inserting devices (64), the tea inserting devices (64) are at least provided with two tea inserting holes (641), and the pinching forming grooves (63) correspond to the positions of the tea inserting holes (641).

6. The automatic discharge pinching machine of claim 1, wherein: the mounting base (3) is provided with two supporting sliding grooves (31), and the bottom of the traveling mechanism (5) is provided with a sliding strip (51) matched with the supporting sliding grooves (31).