CN113650868B - Valve bag opening mechanism and valve bag feeder - Google Patents
Valve bag opening mechanism and valve bag feeder Download PDFInfo
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- CN113650868B CN113650868B CN202111016480.7A CN202111016480A CN113650868B CN 113650868 B CN113650868 B CN 113650868B CN 202111016480 A CN202111016480 A CN 202111016480A CN 113650868 B CN113650868 B CN 113650868B
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- bag
- valve
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- bin
- opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/28—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers co-operating with fixed supports
Abstract
The invention relates to a valve bag opening mechanism and a valve bag feeder. The valve pocket bag opening mechanism comprises a bag taking mechanism, wherein the bag taking mechanism comprises a sucker for sucking the top position of the valve pocket bag and a bag taking moving mechanism for driving the sucker to move; the bag pressing mechanism is used for pressing the middle part or the bottom of the valve bag downwards when the bag taking mechanism takes the bag so as to open the bag opening of the valve bag; the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, the sucker of the bag taking mechanism sucks the valve bag, the bag top of the valve bag is moved upwards, the bag bottom of the valve bag is kept motionless under the action of the bag pressing mechanism in the process of moving the valve bag top, the bag opening of the valve bag is opened under the action of the sucker, then the controller controls the bag pressing mechanism to loosen the valve bag, the bag taking mechanism can take the valve bag under the action of the controller, the subsequent opening supporting operation is carried out, the success rate of expanding the bag opening is improved, and the problem that the failure rate of the bag opening of the current valve bag is higher when the bag opening is expanded is solved.
Description
Technical Field
The invention relates to a valve bag opening mechanism and a valve bag feeder.
Background
The existing valve bag filling machine is generally provided with a valve bag bin and a bag taking mechanism, wherein the valve bag bin is used for storing valve bag stacks, and the bag taking mechanism sucks valve bags in the valve bag bin and then sleeves the filling opening of the filling machine when in operation. The valve bag is used as a common valve bag, and is widely applied to packaging powdery or granular solid materials such as edible powder, chemical powder, mineral substances and the like, and the valve bag is orderly piled and attractive after the materials are filled.
The prior valve bag needs to be stretched by a special stretching mechanism before being sleeved on a filling machine. For example, chinese patent publication No. CN201941999U discloses an automatic valve bag feeding machine, i.e., a valve bag feeding machine. The valve bag feeding machine comprises a valve bag extracting mechanism, wherein the valve bag extracting mechanism comprises a capturing mechanism and a clamping mechanism, a sucker is arranged on the capturing mechanism, after the top of a valve bag is sucked by the sucker, the valve bag is lifted, then the valve bag is clamped by the clamping framework, the valve bag is moved to a bag opening expansion rod, and the bag opening is expanded by the bag opening expansion rod. The bag mouth of the valve bag is opened through a special mouth opening mechanism, so that the valve bag is conveniently sleeved at the filling mouth of the filling machine.
However, when the valve port bag is stored in the bag bin, the bag opening is in a closed state, the bag taking mechanism completely depends on the dead weight of the valve port bag in the bag taking process to enable the bag opening of the valve port bag to be opened, and for smaller valve port bags, the bag opening of the valve port bag is smaller or even can not be opened under the dead weight, and when the valve port bag is operated to move to the bag opening expansion opening rod to expand the bag opening, the failure rate is higher.
Disclosure of Invention
The invention aims to provide a valve bag opening mechanism which is used for solving the problem that the failure rate of the bag opening of the existing valve bag is higher when the bag opening is expanded; the invention aims to provide a valve bag feeder using the valve bag opening mechanism.
The valve bag opening mechanism adopts the following technical scheme:
the valve pocket bag opening mechanism includes:
the bag taking mechanism comprises a sucker for sucking the top position of the valve bag and a bag taking moving mechanism for driving the sucker to move;
the bag pressing mechanism is used for pressing the middle part or the bottom of the valve bag downwards when the bag taking mechanism takes the bag and is matched with the bag taking mechanism to open the bag opening of the valve bag;
the controller is connected with the bag pressing mechanism and the bag taking mechanism, and is used for controlling the bag pressing mechanism to press the valve bag when the sucker of the bag taking mechanism absorbs the valve bag, and controlling the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the valve bag opening.
The beneficial effects are that: the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, the sucker of the bag taking mechanism sucks the valve bag, the bag top of the valve bag moves upwards, the bag bottom of the valve bag is kept motionless under the action of the bag pressing mechanism in the process of moving the valve bag top, the bag opening of the valve bag is opened under the action of the sucker, the controller controls the bag pressing mechanism to loosen the valve bag, and the bag taking mechanism can take the valve bag away under the action of the controller to carry out subsequent opening supporting operation. The valve bag opening mechanism disclosed by the invention is used for opening the bag opening of the valve bag by matching the bag taking mechanism with the bag pressing mechanism before opening, so that the subsequent opening operation is facilitated, the success rate of opening the bag opening is improved, and the problem that the failure rate of the bag opening of the conventional valve bag is higher when the bag opening is opened is solved.
Further, the bag pressing mechanism comprises a driving cylinder and a bag pressing plate driven by the driving cylinder. The driving cylinder has simple structure and low cost.
The technical scheme of the valve bag feeder is as follows:
the valve bag supply machine comprises a bag bin and a valve bag opening mechanism, wherein the bag bin is used for storing valve bags stacked together;
the valve pocket bag opening mechanism includes:
the bag taking mechanism comprises a sucker for sucking the top position of the valve bag and a bag taking moving mechanism, and the bag taking moving mechanism drives the sucker to move so as to bring the valve bag away from the storage bin;
the bag pressing mechanism is used for pressing the middle part or the bottom of the valve bag downwards when the bag taking mechanism takes the bag and is matched with the bag taking mechanism to open the bag opening of the valve bag;
the controller is connected with the bag pressing mechanism and the bag taking mechanism, and is used for controlling the bag pressing mechanism to press the valve bag when the sucker of the bag taking mechanism absorbs the valve bag, and controlling the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the valve bag opening.
The beneficial effects are that: the beneficial effects are that: the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, the sucker of the bag taking mechanism sucks the valve bag, the bag top of the valve bag moves upwards, the bag bottom of the valve bag is kept motionless under the action of the bag pressing mechanism in the process of moving the valve bag top, the bag opening of the valve bag is opened under the action of the sucker, the controller controls the bag pressing mechanism to loosen the valve bag, and the bag taking mechanism can take the valve bag away under the action of the controller to carry out subsequent opening supporting operation. The valve bag opening mechanism disclosed by the invention is used for opening the bag opening of the valve bag by matching the bag taking mechanism with the bag pressing mechanism before opening, so that the subsequent opening operation is facilitated, the success rate of opening the bag opening is improved, and the problem that the failure rate of the bag opening of the conventional valve bag is higher when the bag opening is opened is solved.
Further, the bag pressing mechanism is arranged on the bag bin.
Further, when the valve bag is horizontally placed in the bag bin, the bag top is at the left bottom and at the right, and the bag pressing mechanism is arranged at the right side of the bag bin and used for pressing the bottom of the valve bag.
Further, the bag bin is provided with a left stopping surface for stopping the left side of the valve bag stack, the bag is propped against the left bag bottom to be right when the valve bag is horizontally placed in the bag bin, and the controller controls the bag taking mechanism to enable the sucker to move leftwards after the bag pressing mechanism releases the valve bag, so that the sucked valve bag applies leftwards acting force to the valve bag in the bag bin.
Further, the bag bin comprises a bag bin supporting plate, the bag bin is provided with a bag bin supporting plate lifting mechanism for driving the bag bin supporting plate to lift, and the bag bin supporting plate is used for driving the valve port bag stack in the bag bin to lift and enabling the valve port bag at the top of the valve port bag stack to be always at a set height.
Further, the bag pressing mechanism comprises a driving cylinder and a bag pressing plate driven by the driving cylinder.
Further, the valve bag feeder includes:
the storage bin is used for storing the valve port bag stacks for standby;
the pushing piece is used for pushing the valve port bag stack in the storage bin into the bag bin, and an initial position and a pushing position for pushing the valve port bag stack into the bag bin are arranged in the pushing stroke of the pushing piece;
the pushing driving mechanism drives the pushing piece to reciprocate between the pushing position and the initial position;
the pushing switching mechanism drives the pushing piece to move, so that the pushing piece has a pushing state and an avoiding state, when the pushing piece is in the avoiding state, valve port bag stacks in the storage bin can be avoided from being pushed to the initial position from the pushing position under the action of the pushing driving mechanism, and when the pushing piece is in the pushing state, the valve port bag stacks in the storage bin can be pushed to enter the bag bin under the action of the pushing driving mechanism;
the pushing driving mechanism and the pushing switching mechanism are connected with the controller;
the pushing piece is controlled by the controller to be in a pushing position in a pushing state before valve port bag stacks in the bag bin are used up so as to separate the storage bin from the bag bin;
the pushing piece is provided with a bag bin blocking surface for blocking the valve bag stack in the bag bin when being pushed to the position and a storage bin blocking surface for blocking the valve bag stack in the storage bin.
The beneficial effects are that: the valve bag feeder is provided with the storage bin and the bag bin, when the bag bin works, the storage bin can store the valve bag stack for standby at the same time, after the valve bags in the bag bin are used, the valve bag stack is pushed into the bag bin through the pushing piece, so that the feeding efficiency of the valve bags is greatly improved, and the problem of low valve bag feeding efficiency existing in the conventional valve bag stack depending on manual replenishment is solved. The valve bags of the bag bin are simultaneously blocked after the pushing piece is pushed to the position, so that the valve bags in the bag bin are prevented from being disordered, the storage bin and the bag bin are separated by the pushing piece, the mutual influence of the valve bags of the storage bin and the bag bin is prevented, and meanwhile, the blocking surface of the storage bin of the pushing piece can be used as a standard of valve bag stacks in the storage bin, so that the pushing of the follow-up valve bag stacks is facilitated.
Further, a storage completion signal module is arranged on the storage bin, and the storage completion signal module sends a signal to the controller after the storage bin finishes the feeding of the valve port bag stack. The safety of the device is improved.
Drawings
FIG. 1 is a schematic view of the structure of a bag house and a reserve house of an embodiment 1 of a valve bag feeder of the present invention with valve bag stacks;
FIG. 2 is a schematic illustration of the configuration of a bag house having a stack of valve bags in accordance with embodiment 1 of the valve bag feeder of the present invention;
FIG. 3 is a schematic view of a valve bag feeder of the present invention in an embodiment 1 with a hidden portion of the storage bin tray;
FIG. 4 is a state diagram of the valve bag feeder of the present invention during rotation of the pusher plate in example 1;
FIG. 5 is a state diagram of another example of a valve bag feeder of the present invention during rotation of a pusher plate in accordance with example 1;
FIG. 6 is a schematic illustration of a valve bag feeder of embodiment 1 of the present invention stacking valve bag stacks in a holding tank;
FIG. 7 is a diagram of a valve bag feeder of embodiment 1 of the present invention in preparation for pushing a stack of valve bags into a bag house;
FIG. 8 is a schematic diagram of the drive motor of the push drive mechanism of embodiment 1 of the valve bag feeder of the present invention;
FIG. 9 is a schematic illustration of the pushing actuator of embodiment 1 of the valve bag feeder of the present invention;
in the figure: 1. a storage bin; 11. a warehouse pallet; 111. a left side fixing plate; 112. a middle fixing plate; 113. a right side fixing plate; 12. a pushing channel; 13. operating the opening; 14. positioning the side surface; 2. a bag bin; 21. a bag bin pallet; 22. a left baffle; 23. a right baffle; 24. a front baffle; 3. valve port bag stacks; 4. a pushing plate; 41. a bag bin stop surface; 42. a storage bin stop surface; 51. a linear guide rail; 52. a slide block; 53. a fixing frame; 54. a driving motor; 6. a rotary driving cylinder; 7. a feeder floor; 71. a storage bin bottom plate; 72. a bag bin bottom plate; 81. a lifting stepping motor; 82. a stepping motor screw shaft; 91. a plane detection switch on the bag stack; 92. a bag stack origin detection switch; 93. a bag stack lower limit position detection switch; 10. a reserve completion button; 101. a drive cylinder; 102. and (5) pressing a bag plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Specific example 1 of a valve bag feeder of the present invention:
as shown in fig. 1 to 9, the valve bag feeder comprises a frame, a valve bag opening mechanism, a storage bin 1 and a bag bin 2, wherein the valve bag opening mechanism comprises a controller, a bag taking mechanism and a bag pressing mechanism. The controller adopts a singlechip in the prior art. The bag taking mechanism comprises a sucker for sucking the top position of the valve bag and a bag taking moving mechanism for driving the sucker to move, and is of the prior art, and the bag taking mechanism is not expanded in detail in the embodiment, for example, a manipulator in the prior art can be adopted, and a valve bag extracting mechanism in an authorized bulletin number CN201941999U can also be adopted.
When the valve bag is horizontally placed in the bag bin 2, the bag top is at the left bottom and the bag pressing mechanism is arranged at the right side of the bag bin 2 and used for pressing the bottom of the valve bag downwards when the bag taking mechanism takes the bag, and the bag pressing mechanism is matched with the bag taking mechanism to enable the bag opening of the valve bag to be opened. The bag pressing mechanism comprises a driving cylinder 101 arranged on the right side of the bag bin and a bag pressing plate 102 fixed on a piston rod of the driving cylinder 101, wherein the driving cylinder is a telescopic cylinder in the embodiment, and the bag pressing plate 102 is arranged on the upper side of the driving cylinder 101. The arrangement structure is more compact, and the occupied space is small. In other embodiments, the bag pressing mechanism may also press against the middle of the valve bag.
The storage bin 1 and the bag bin 2 are used for storing valve port bag stacks, the tops of the storage bin 1 and the bag bin 2 are open, the storage bin 1 is used for storing valve port bag stacks 3 for standby, and the bag bin 2 is used for storing valve port bag stacks 3 for grabbing by a bag taking mechanism.
As shown in fig. 7, the bag house 2 has a left flap 22 for stopping the left side of the valve port bag stack 3, a right flap 23 for stopping the right side of the valve port bag stack 3, and a front flap 24 for stopping the front side of the valve port bag stack 3, wherein the right flap 23 constitutes a mounting seat for the drive cylinder. When the valve bag is horizontally placed in the bag bin, the bag top is positioned at the left bag bottom and the bag bottom is positioned at the right. The controller controls the bag taking mechanism to move the sucker leftwards after the bag pressing mechanism releases the valve bag, so that the sucked valve bag applies leftwards acting force to the valve bag in the bag bin, and the left stop on the left baffle stops the valve bag stack, so that the sucked valve bag can be prevented from bringing the valve bag on the lower side, and the valve bag stack 3 is kept tidy.
The valve bag feeder comprises a pushing plate 4, a pushing driving mechanism and a pushing switching mechanism, wherein both the pushing driving mechanism and the pushing switching mechanism are controlled by a controller. The pusher plate 4 constitutes a pusher for pushing the valve port bag stack 3 in the holding compartment 1 into the bag compartment 2. Valve port bag stacks 3 in the storage bin 1 are pushed to the bag bin 2 through the pushing plate 4. According to the valve bag supplying machine, the storage bin and the bag bin are arranged, so that when the bag bin works normally, the valve bag stack is stored in the storage bin in advance, and when the bag bin needs to be supplemented with the valve bag stack, the valve bag stack is directly pushed to the past through the pushing plate, and the supplying efficiency of the valve bags is greatly improved.
The pushing plate 4 has an initial position in the pushing stroke and a pushing position for pushing the valve port bag stack 3 into the bag house 2. The material pushing plate 4 extends up and down, and when the material pushing plate 4 is in the initial position, the material pushing plate 4 can extend into the storage bin 1 to push the valve port bag stacks 3 to the bag bin 2.
The pushing driving mechanism is used for driving the pushing plate 4 to reciprocate between a pushing position and an initial position, so that the pushing piece pushes the valve port bag stack 3 to the bag bin 2. In this embodiment, the pushing driving mechanism is a pushing driving mechanism, the pushing driving mechanism includes a linear guide rail 51 extending back and forth, a slider 52 is slidably mounted on the linear guide rail 51 in a front-back guiding manner, a fixing frame 53 is fixed on the slider 52, the pushing switching mechanism is a rotary driving cylinder 6 disposed on the fixing frame 53, the pushing plate 4 is fixed on a rotary rod of the rotary driving cylinder 6, and the rotary cylinder drives the pushing plate 4 to swing. The slider 52 on the linear guide rail 51 is driven by a screw-nut mechanism to move back and forth, the slider 52 is fixed with a nut of the screw-nut mechanism, and a screw of the screw-nut mechanism is driven by a driving motor 54 to rotate. The rotary driving cylinder 6 in this embodiment is an air cylinder, and the rotary driving cylinder 6 forms a pushing switching mechanism that drives the pushing member to move so that the pushing member has a pushing state and an avoiding state.
The pusher plate 4 has a pushing state and an avoiding state. The pushing plate 4 horizontally extends when in an avoidance state, can avoid the valve port bag stack 3 in the storage bin 1, and returns to the initial position from the pushing position under the action of the pushing driving mechanism; the pushing piece extends up and down when in a pushing state, and can push the valve port bag stacks 3 in the storage bin 1 to enter the bag bin 2 under the action of the pushing driving mechanism. The pushing plate 4 extends horizontally when in an avoidance state, and occupies a smaller space.
The pushing plate 4 is in a pushing position in a pushing state to separate the storage bin 1 from the bag bin 2 before the valve port bag stack 3 in the bag bin 2 is used up. The pusher plate 4 has a bag house stop surface 41 for stopping the valve bag stack 3 in the bag house 2 when pushed into position and a stock house stop surface 42 for stopping the valve bag stack 3 in the stock house 1, and in this embodiment, the front and rear side plate surfaces of the pusher plate 4 constitute the bag house stop surface 41 and the stock house stop surface 42, respectively. In the valve bag feeder, the material pushing plate 4 is always in a pushing position in a pushing state before the valve bags in the bag bin 2 are used up, so that the material pushing plate 4 can play a role in positioning the valve bags in the bag bin 2 and can be used as a positioning piece of the valve bags in the storage bin 1, and the valve bag stack 3 in the storage bin 1 is conveniently placed. Further simplifying the structure of the valve bag feeder and improving the feeding efficiency of the valve bags.
In this embodiment, the holding compartment 1 and the pusher plate 4 are respectively positioned in the horizontal direction on one pair of adjacent sides of the valve port bag stack 3, and the holding compartment 1 has an operation opening 13 toward the other pair of adjacent sides of the valve port bag stack 3. The storage bin 1 is provided with a positioning side surface 14 for positioning with the side surface of the valve port bag stack 3 in the storage bin 1, the positioning side surface 14 is vertically arranged, and the positioning side surface 14 and the storage bin stop surface 42 are respectively used for positioning with two side surfaces adjacent to the valve port bag stack 3. The operation opening 13 is convenient for placing the valve port bag stack 3, the space reserved for manual operation is abundant, the operation safety is fully ensured, and the bag loading efficiency of the valve port bag stack 3 is improved.
The storage bin 1 in the embodiment comprises a storage bin supporting plate 11, the storage bin supporting plate 11 is used for supporting the valve bag stacks 3 in the storage bin 1, the bag bin 2 comprises a bag bin supporting plate 21, and the bag bin supporting plate 21 is used for supporting the valve bag stacks 3 in the bag bin 2. In order to facilitate pushing of the valve port bag stack 3, when the bag house pallet 21 is at the lowest position, the upper side plate surface of the bag house pallet 21 is lower than the upper side plate surface of the storage house pallet 11. The valve bag feeder comprises a feeder bottom plate 7, a part of the feeder bottom plate 7 forms a storage bin bottom plate 71 of the storage bin 1, and the storage bin bottom plate 71 and the storage bin supporting plate 11 are arranged at intervals up and down to form an avoidance channel for the material pushing plate 4 in an avoidance state to pass through. Another part of the feeder floor 7 forms a pocket floor 72 of the pocket 2, in this embodiment the feeder floor 7 is integrally formed. The pushing driving mechanism is arranged on the feeder bottom plate 7, one end of a linear guide rail 51 of the pushing driving mechanism is positioned at the lower side of the bag bin supporting plate 21, the other end of the linear guide rail is positioned at the lower side of the storage bin supporting plate 11, the driving motor 54 is positioned at the lower side of the bag bin supporting plate 21, and the driving motor 54 downwards penetrates through the bag bin bottom plate 72 to extend out of the bag bin 2, so that heat dissipation of the driving motor is facilitated.
In this embodiment, the storage bin supporting plate 11 includes three fixing plates that are arranged at left and right intervals, namely a left fixing plate 111, a middle fixing plate 112 and a right fixing plate 113, wherein a pushing channel 12 for avoiding the pushing plate 4 in a pushing state is formed between two adjacent fixing plates, and two avoiding channels for passing through the pushing plate 4 in an avoiding state are arranged, which are respectively located at the lower sides of the left fixing plate and the lower sides of the right fixing plate. For ease of fixing, the intermediate fixing plate extends into and is fixed with the pocket. The front and rear ends of the intermediate fixing plate 112 are respectively fixed with the bag house and the storage house, and the upper side surface of the intermediate fixing plate 112 in the bag house is lower than the upper side surface of the intermediate fixing plate in the storage house so as to avoid interference between the intermediate fixing plate 112 and the bag house supporting plate 21. The middle fixing plate 112 is positioned on the upper side of the pushing driving mechanism and can play a role of shielding.
Two pushing plates 4 are arranged, and the two pushing plates 4 share one pushing driving mechanism. The rotary driving cylinders 6 are arranged in one-to-one correspondence with the pushing plates 4. In the embodiment, two rotary driving cylinders 6 are arranged, the rotation directions of the two rotary driving cylinders 6 are opposite, and the backward interference of the two pushing plates is avoided.
A space is arranged between the storage bin supporting plate 11 and the bag bin supporting plate 21, and the space is used for swinging the material pushing plate 4 to a horizontal state. In this embodiment, the holding compartment 1 is located on the rear side of the bag compartment 2. The rear side of the storage bin supporting plate 11 is provided with a movable space for the material pushing plate 4 to swing to a vertical state. The bag storehouse supporting plate 21 can move up and down, the bag storehouse 2 is provided with a bag storehouse supporting plate lifting mechanism for driving the bag storehouse supporting plate 21 to lift, the bag storehouse supporting plate 21 is used for driving the valve port bag stack 3 in the bag storehouse 2 to lift, and valve port bags at the top are always at a set height, so that the bag taking operation of the bag taking mechanism is facilitated.
In this embodiment, the bag house pallet lifting mechanisms are provided with four and are respectively provided at four corners of the bag house 2. The bag storehouse supporting plate lifting mechanism comprises a lifting stepping motor 81 and a stepping motor screw shaft 82, wherein the lifting stepping motor 81 is fixed with the bag storehouse supporting plate 21, and the lifting stepping motor 81 lifts to drive the bag storehouse supporting plate 21 to lift.
In order to realize automatic replenishment of valve port bag stacks, the bag bin 2 is provided with a bag stack upper plane detection switch 91, a bag stack origin detection switch 92 and a bag stack lower limit position detection switch 93, the bag stack upper plane detection switch 91 is used for detecting valve bags at the top of the valve port bag stack 3, after the valve bags in the bag bin 2 are used up, the bag stack upper plane detection switch 91 cannot detect the valve bags at the top and sends signals to the controller, at the moment, the bag stack origin detection switch 92 is triggered by the bag bin supporting plate 21 and sends signals to the controller, and the controller judges that the valve bags in the bag bin 2 are used up according to the signals given by the bag stack upper plane detection switch 91 and the bag stack origin detection switch 92 and needs to be replenished with the valve bags.
The storage bin 1 is internally provided with a storage completion button 10, when the valve port bag stack 3 is completed to be supplemented in the storage bin 1, a worker presses the storage completion button 10, a controller obtains a signal, and at the moment, if the valve port bags in the bag bin 2 are used up, the controller controls the bag bin supporting plate 21 to return to the lowest position, the bag bin supporting plate 21 triggers the bag stack lower limit position detection switch 93, and the controller controls the pushing driving mechanism and the pushing switching mechanism, so that the pushing plate 4 pushes the valve port bag stack 3 in the storage bin 1 to the bag bin 2. The storage completion button can improve the safety of the machine, and the operator can only work after finishing storing the valve port bag stack 3 by pushing the material plate.
The storage completion button 10 in this embodiment forms a storage completion signal module, and in other embodiments, the storage completion signal module may also be a sensor for automatically detecting the completion of feeding the valve port bag stack in the storage bin, and the sensor may be a valve port bag stack in-place detection sensor.
In this embodiment, two slide block position sensors for detecting the position of the slide block 52 are disposed on the linear guide rail 51, when the pushing plate 4 arrives at the initial position, the slide block position sensor at the rear end is triggered, the controller receives a signal to control the driving motor 54 to stop, and when the pushing plate 4 arrives at the pushing position, the slide block position sensor at the front end is triggered, and the controller receives a signal to control the driving motor 54 to stop.
As shown in fig. 4 and 5, when the valve bags are in the storage bin 1 and the valve bags are not in the bag bin 2, the pushing plate 4 is switched from the pushing state to the avoiding state, then returns to the initial position under the action of the pushing driving mechanism, and after returning to the initial position, the pushing plate 4 is switched from the avoiding state to the pushing state, so that the valve bag stacks 3 in the storage bin 1 are pushed to the bag bin 2.
The valve bag feeder in this embodiment works as follows:
when the automatic valve opening machine starts to work, the reserve bin 1 stores a standby valve opening bag stack 3, the material pushing plate 4 is in a pushing state at the initial position, the valve opening bag stack 3 is pushed to the bag bin 2 under the action of the material pushing driving mechanism, the material pushing plate 4 is kept in the pushing state, the bag bin blocking surface 41 on the material pushing plate 4 can position the valve opening bag stack 3 in the bag bin 2, and the reserve bin blocking surface 42 on the material pushing plate 4 can serve as a reference of the valve opening bag stack 3 during feeding of the reserve bin 1;
after the valve port bag stack 3 is brought to the bag bin 2, the bag bin 2 starts to work normally, the bag taking mechanism absorbs the valve bag from the bag bin 2, and the bag taking mechanism is matched with the bag pressing plate 102 to open the bag opening of the valve bag; at the moment, a new valve port bag stack 3 can be reserved for standby in the reserve bin 1;
after the valve bags in the bag bin 2 are used, the controller judges that the valve bags in the bag bin 2 are used up according to signals given by a plane detection switch on the bag stack and a bag stack origin detection switch 92, the valve bags need to be replenished, and if a signal of finishing storing the valve bags 3 is given by a storing completion button 10, the controller controls the material pushing plate 4 to return to an initial position;
the pushing plate 4 swings to an avoidance state under the drive of the rotary driving cylinder 6, then the pushing plate 4 returns to an initial position from an avoidance channel at the lower side of the storage bin supporting plate 11 under the action of the pushing driving mechanism, the rotary driving cylinder 6 drives the pushing plate 4 to swing to a pushing state, and then the pushing driving mechanism drives the pushing plate 4, so that the pushing plate 4 pushes the valve port bag stack 3 to move forwards until the pushing plate 4 reaches the pushing position, and at the moment, the valve port bag stack 3 reaches the bag bin 2, so that one working cycle is completed.
In embodiment 2 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment is different from that of the above embodiment only in that in this embodiment, the bag pressing mechanism is an electric push rod. Other embodiments the bag pressing mechanism may also be provided on the frame. In other embodiments, the bag pressing mechanism may also press against the middle of the valve bag. Besides the telescopic mechanism, the bag pressing mechanism can also adopt a swinging mechanism, for example, the driving cylinder can adopt a rotary cylinder, a pressing plate is arranged on the rotary cylinder, and the valve bag is pressed after the pressing plate swings in place.
In embodiment 3 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment differs from that of the above embodiment only in that, in this embodiment, the bag taking mechanism may directly move vertically upward to take away the valve bag after the bag pressing mechanism releases the valve bag. The upward movement described in the present invention includes vertically upward and obliquely upward movement unless otherwise specified.
In embodiment 4 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment differs from that of the above embodiment only in that the bag pressing mechanism is provided on the front barrier.
In embodiment 5 of the valve bag feeder of the present invention, the structure of the valve bag feeder in this embodiment differs from that of the above embodiment only in that in this embodiment, the valve bag feeder is provided with only a bag storage and no reserve storage.
In embodiment 6 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment is different from that of the above embodiment only in that the pushing state and the avoiding state of the pushing plate extend up and down, but the heights of the pushing plate are different. The pushing switching mechanism is a telescopic cylinder, the pushing plate is fixed on a piston rod of the telescopic cylinder, when the piston rod is retracted downwards, the pushing plate is positioned at the lower side of the storage bin supporting plate, and when the piston rod is extended upwards, the pushing plate is extended out of the storage bin supporting plate and used for pushing materials. In other embodiments, the pushing driving mechanism may be driven by the telescopic cylinder to move up and down.
In embodiment 7 of the valve bag feeder of the present invention, the structure of the valve bag feeder in this embodiment differs from that of the above embodiment only in that the pusher is a pusher bar. In other embodiments, the pushing member may also be a pushing block or a pushing fork, etc.
In embodiment 8 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment differs from that of the above embodiment only in that in this embodiment, the pushing member is disposed obliquely when in the avoidance state.
In embodiment 9 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment differs from that of the above embodiment only in that in this embodiment, the swing driving mechanism includes a servo motor, the pushing plate is fixed on the output shaft of the servo motor, and the swing angle of the pushing plate is controlled by the servo motor. The pushing plate can also be assembled on the sliding block in a swinging way, and the pushing plate is pushed to swing through the telescopic cylinder.
In the embodiment 10 of the valve bag feeding machine of the present invention, the structure of the valve bag feeding machine in this embodiment is different from that of the above embodiment only in that one pushing plate is provided. In other embodiments, more than three pushing plates may be provided.
In the embodiment 11 of the valve bag feeder of the present invention, the structure of the valve bag feeder differs from that of the above embodiment only in that in the embodiment, the pushing plate is disposed on the side surface of the storage bin, and extends horizontally when the pushing plate is in the pushing state, extends up and down when the pushing plate is in the avoiding state, and is on the horizontal side of the storage bin when the pushing plate is in the avoiding state.
In the embodiment 12 of the valve bag feeder of the present invention, the structure of the valve bag feeder differs from the above embodiment only in that in the embodiment, the pushing driving mechanism is a belt driving mechanism, and the pushing plate is fixed on the belt and driven by the belt to reciprocate. In other embodiments, the pushing driving mechanism may also be a crank-slider mechanism, and the pushing plate is disposed on the slider.
In embodiment 13 of the valve bag feeder of the present invention, the structure of the valve bag feeder differs from the above embodiment only in that in this embodiment, the pushing driving mechanism is disposed at the lower side of the feeder bottom plate. In other embodiments, the pusher plate may also pass under the feeder floor, pushing from the pusher position back to the home position.
In embodiment 14 of the valve bag feeder of the present invention, the structure of the valve bag feeder differs from the above embodiment only in that the pushing driving mechanism is located at the lower side of the storage bin tray, and the driving motor is located at the lower side of the storage bin tray.
In embodiment 15 of the valve bag feeder of the present invention, the structure of the valve bag feeder in this embodiment differs from that of the above embodiment only in that the bag house pallet is fixed to the bag house side wall.
In embodiment 16 of the valve bag supply machine of the present invention, the structure of the valve bag supply machine in this embodiment differs from that of the above embodiment only in that the top of the storage bin is open, and the storage bin has three side walls each provided with a positioning side for positioning the valve bag stack.
The valve bag opening mechanism in the embodiment of the invention has the same structure as the valve bag opening mechanism in any embodiment of the valve bag feeder, and is not repeated.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Valve pocket opening mechanism includes:
the bag taking mechanism comprises a sucker for sucking the top position of the valve bag and a bag taking moving mechanism for driving the sucker to move;
the valve bag opening mechanism is characterized by further comprising:
the bag pressing mechanism is used for pressing the middle part or the bottom of the valve bag downwards when the bag taking mechanism takes the bag and is matched with the bag taking mechanism to open the bag opening of the valve bag;
the controller is connected with the bag pressing mechanism and the bag taking mechanism, and is used for controlling the bag pressing mechanism to press the valve bag when a sucker of the bag taking mechanism absorbs the valve bag, and controlling the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the valve bag opening;
when the valve bags are horizontally placed in the corresponding bag bins, the bag tops are right at the left bag bottoms, and the controller controls the bag taking mechanism to enable the sucking disc to move leftwards after the bag pressing mechanism releases the valve bags, so that the sucked valve bags apply leftwards acting force to the valve bags in the bag bins.
2. The valve bag opening mechanism of claim 1, wherein the bag pressing mechanism comprises a drive cylinder (101) and a bag pressing plate (102) driven by the drive cylinder (101).
3. The valve bag supply machine comprises a bag bin (2) and a valve bag opening mechanism, wherein the bag bin (2) is used for storing valve bags stacked together;
the valve pocket bag opening mechanism includes:
the bag taking mechanism comprises a sucker for sucking the top position of the valve bag and a bag taking moving mechanism, and the bag taking moving mechanism drives the sucker to move so as to bring the valve bag away from the storage bin; the valve bag opening mechanism is characterized by further comprising:
the bag pressing mechanism is used for pressing the middle part or the bottom of the valve bag downwards when the bag taking mechanism takes the bag and is matched with the bag taking mechanism to open the bag opening of the valve bag;
the controller is connected with the bag pressing mechanism and the bag taking mechanism, and is used for controlling the bag pressing mechanism to press the valve bag when a sucker of the bag taking mechanism absorbs the valve bag, and controlling the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the valve bag opening;
the bag bin (2) is provided with a left stopping surface for stopping the left side of the valve bag stack (3), the bag is propped against the left bag bottom to be right when the valve bag is horizontally placed in the bag bin (2), and the controller controls the bag taking mechanism to enable the sucker to move leftwards after the bag pressing mechanism releases the valve bag, so that the sucked valve bag applies leftwards acting force to the valve bag in the bag bin (2).
4. A valve bag feeder according to claim 3, wherein the bag pressing mechanism is provided on the bag house (2).
5. The valve bag feeding machine according to claim 4, wherein the bag pressing mechanism is arranged on the right side of the bag bin (2) and is used for pressing the bag bottom of the valve bag.
6. The valve bag supply machine according to any one of claims 3 to 5, wherein the bag house (2) comprises a bag house supporting plate (21), the bag house (2) is provided with a bag house supporting plate lifting mechanism for driving the bag house supporting plate (21) to lift, and the bag house supporting plate (21) is used for driving the valve bag stack (3) in the bag house (2) to lift and enabling the valve bag at the top of the valve bag stack (3) to be always at a set height.
7. The valve bag supply machine according to claim 6, wherein the bag pressing mechanism includes a drive cylinder (101) and a bag pressing plate (102) driven by the drive cylinder (101).
8. The valve bag supply machine of any one of claims 3-5, wherein the valve bag supply machine comprises:
a storage bin (1) for storing a valve port bag stack (3) for standby;
the pushing piece is used for pushing the valve port bag stack (3) in the storage bin (1) into the bag bin (2), and the pushing stroke of the pushing piece is provided with an initial position and a pushing position for pushing the valve port bag stack (3) into the bag bin (2);
the pushing driving mechanism drives the pushing piece to reciprocate between the pushing position and the initial position;
the pushing switching mechanism drives the pushing piece to move, so that the pushing piece has a pushing state and an avoiding state, when the pushing piece is in the avoiding state, the valve port bag stack (3) in the storage bin (1) can be avoided and returned to the initial position from the pushing position under the action of the pushing driving mechanism, and when the pushing piece is in the pushing state, the valve port bag stack (3) in the storage bin (1) can be pushed to enter the bag bin (2) under the action of the pushing driving mechanism;
the pushing driving mechanism and the pushing switching mechanism are connected with the controller;
the pushing piece is controlled by the controller to be in a pushing position in a pushing state before the valve port bag stacks (3) in the bag bin (2) are used up so as to separate the storage bin (1) from the bag bin (2);
the pusher has a pocket blocking surface (41) for blocking the valve pocket (3) in the pocket (2) when pushed into position and a storage pocket blocking surface (42) for blocking the valve pocket (3) in the storage pocket (1).
9. The valve bag feeder of claim 8, wherein the holding bin (1) is provided with a holding completion signal module, and the holding completion signal module sends a signal to the controller after the holding bin (1) completes the feeding of the valve bag stack (3).
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| CN202111016480.7A CN113650868B (en) | 2021-08-31 | 2021-08-31 | Valve bag opening mechanism and valve bag feeder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016480.7A CN113650868B (en) | 2021-08-31 | 2021-08-31 | Valve bag opening mechanism and valve bag feeder |
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| CN113650868A CN113650868A (en) | 2021-11-16 |
| CN113650868B true CN113650868B (en) | 2023-08-18 |
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| CN113650868A (en) | 2021-11-16 |
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