CN113650868A - Valve bag opening mechanism and valve bag supply machine - Google Patents
Valve bag opening mechanism and valve bag supply machine Download PDFInfo
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- CN113650868A CN113650868A CN202111016480.7A CN202111016480A CN113650868A CN 113650868 A CN113650868 A CN 113650868A CN 202111016480 A CN202111016480 A CN 202111016480A CN 113650868 A CN113650868 A CN 113650868A
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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
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- Supplying Of Containers To The Packaging Station (AREA)
Abstract
The invention relates to a valve bag opening mechanism and a valve bag supply machine. The valve bag opening mechanism comprises a bag taking mechanism, and the bag taking mechanism comprises a sucker for sucking the bag 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 bag bottom of the valve bag downwards to open the bag opening of the valve bag when the bag taking mechanism takes the bag; the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, then the sucking disc 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 still under the action of the bag pressing mechanism in the process of upwards moving the bag top of the valve bag, the bag opening of the valve bag is opened under the action of the sucking disc, then the controller controls the bag pressing mechanism to release the valve bag, the bag taking mechanism can take the valve bag away under the action of the controller, subsequent opening operation is carried out, the success rate of opening expansion is improved, and the problem that the failure rate of the bag opening of the valve bag is high when the bag opening is expanded at present is solved.
Description
Technical Field
The invention relates to a valve bag opening mechanism and a valve bag supply machine.
Background
The prior 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 a valve bag stack, and the valve bag bin is sucked by the bag taking mechanism during working and then sleeved on a filling opening of the filling machine. The valve bag is used as a common valve bag and is widely applied to packing powdery or granular solid materials such as edible powder, chemical powder, mineral substances and the like, and the materials are neatly and attractively stacked after being filled.
Before the existing valve bag is sleeved on a filling machine, a special opening supporting mechanism is required to be used for supporting the opening of the bag. For example, chinese patent No. CN201941999U discloses an automatic bag feeding machine for valve bags, that is, a valve bag feeding machine. This bag machine on valve bag draws mechanism including the valve bag, and the valve bag draws mechanism sets up the sucking disc including catching mechanism and fixture on catching the mechanism, catches valve bag through the sucking disc and pushes up the back, mentions the valve bag, then cliies the valve bag through centre gripping framework, moves the valve bag to sack expansion pole department, struts the sack through sack expansion pole. The bag opening of the valve bag is opened through a special opening supporting mechanism, so that the valve bag is conveniently sleeved at the filling opening of the filling machine.
But above-mentioned valve bag is when the bag storehouse is deposited, and the sack is in the closure state, gets bag mechanism and gets the sack that the bag in-process relied on the dead weight of valve bag completely and makes the valve bag and open, and to less valve bag, the sack of valve bag is the valve port opening degree is less under the dead weight or even can't be opened, and when operation valve bag opened the pole to the sack expansion and removed the expansion sack, the failure rate was 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 high when the bag opening is expanded; the invention aims to provide a valve bag supply machine using the valve bag opening mechanism.
The valve bag opening mechanism adopts the following technical scheme:
the valve bag opening mechanism comprises:
the bag taking mechanism comprises a sucker for sucking the bag 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 bag 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, controls the bag pressing mechanism to compress the valve bag when a sucking disc of the bag taking mechanism sucks the valve bag, and controls the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the bag opening of the valve bag.
Has the advantages that: the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, then the sucking disc 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 still under the action of the bag pressing mechanism in the process of upwards moving the bag top of the valve bag, the bag opening of the valve bag is opened under the action of the sucking disc, then the controller controls the bag pressing mechanism to release the valve bag, and the bag taking mechanism can take the valve bag away under the action of the controller to perform subsequent opening operation. The bag opening mechanism of the valve bag opens the bag opening of the valve bag through the matching of the bag taking mechanism and the bag pressing mechanism before opening, so that the subsequent opening operation is facilitated, the success rate of expanding the bag opening is improved, and the problem that the failure rate of the bag opening of the existing valve bag is high when the bag opening is expanded 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 invention relates to a valve bag supply machine, which adopts the technical scheme that:
the valve bag feeding machine comprises a bag bin and a valve bag opening mechanism, wherein the bag bin is used for storing the valve bags stacked together;
the valve bag opening mechanism comprises:
the bag taking mechanism comprises a sucker for sucking the bag 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 take the valve bag out of the stock bin;
the bag pressing mechanism is used for pressing the middle part or the bag 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, controls the bag pressing mechanism to compress the valve bag when a sucking disc of the bag taking mechanism sucks the valve bag, and controls the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the bag opening of the valve bag.
Has the advantages that: has the advantages that: the valve bag opening mechanism presses the valve bag through the bag pressing mechanism, then the sucking disc 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 still under the action of the bag pressing mechanism in the process of upwards moving the bag top of the valve bag, the bag opening of the valve bag is opened under the action of the sucking disc, then the controller controls the bag pressing mechanism to release the valve bag, and the bag taking mechanism can take the valve bag away under the action of the controller to perform subsequent opening operation. The bag opening mechanism of the valve bag opens the bag opening of the valve bag through the matching of the bag taking mechanism and the bag pressing mechanism before opening, so that the subsequent opening operation is facilitated, the success rate of expanding the bag opening is improved, and the problem that the failure rate of the bag opening of the existing valve bag is high when the bag opening is expanded is solved.
Further, the bag pressing mechanism is arranged on the bag bin.
Furthermore, when the valve bag is flatly placed in the bag bin, the bag is supported at the left bag bottom and is arranged at the right side, and the bag pressing mechanism is arranged at the right side of the bag bin and is used for pressing the bag bottom of the valve bag.
Further, the bag bin is provided with a left side stopping surface for stopping the left side of the valve port bag stack, the bag is supported at the left bag bottom and is right when the valve bag is horizontally placed in the bag bin, and the controller controls the bag taking mechanism to enable the sucking disc to move leftwards after the bag pressing mechanism releases the valve bag, so that the sucked valve bag exerts leftward acting force on the valve bag in the bag bin.
Furthermore, 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 standby valve bag stacks;
the pushing piece is used for pushing the valve port bag stack in the storage bin into the bag bin, and the pushing piece has an initial position and a pushing position for pushing the valve port bag stack into the bag bin in a pushing stroke;
the pushing driving mechanism drives the pushing piece to reciprocate between a pushing position and an 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 pushing switching mechanism can avoid the valve port bag stack in the storage bin to return 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 pushing switching mechanism can push the valve port bag stack in the storage bin to enter the bag bin under the action of the pushing driving mechanism;
the material pushing driving mechanism and the material pushing switching mechanism are both connected with the controller;
the material pushing piece is controlled by the controller to be in a material pushing state to be in a pushing position to separate the storage bin from the bag bin before the valve port bag stack in the bag bin is used up;
the pushing part is provided with a bag bin stopping surface used for stopping the valve port bag stack in the bag bin when being pushed to the position and a storage bin stopping surface used for stopping the valve port bag stack in the storage bin.
Has the advantages that: the valve bag feeding machine is provided with the storage bin and the bag bin, when the bag bin works, the storage bin can simultaneously store the standby valve bag stacks, and after the valve bags in the bag bin are used up, the valve bag stacks are 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 of the conventional valve bag stacks due to manual supplement is solved. The pushing piece blocks the valve bag of the bag bin after pushing materials in place, the valve bag in the bag bin is prevented from being disordered, the pushing piece separates the storage bin and the bag bin, the storage bin and the valve bag of the bag bin are prevented from being influenced with each other, and meanwhile, the blocking surface of the storage bin of the pushing piece can be used as the reference of a valve bag stack in the storage bin, so that the pushing of a subsequent valve bag stack is facilitated.
Furthermore, a storage completion signal module is arranged on the storage bin, and sends a signal to the controller after the storage bin completes the feeding of the valve bag stack. The safety of the device is improved.
Drawings
FIG. 1 is a schematic structural view of a bag bin and a storage bin both having a valve port bag stack according to embodiment 1 of the valve port bag feeder of the present invention;
FIG. 2 is a schematic structural view of a bag magazine with a valve stack according to embodiment 1 of the valve bag feeder of the present invention;
FIG. 3 is a schematic structural view of a valve bag feeder according to embodiment 1 of the present invention after a part of a storage bin pallet is hidden;
FIG. 4 is a view showing a state in the process of rotating the pusher plate in embodiment 1 of the valve bag feeder of the present invention;
FIG. 5 is a view showing a state in the process of rotating another stripper plate in embodiment 1 of the valve bag feeder of the present invention;
FIG. 6 is a schematic structural view showing stacking of valve bags in a storage bin in embodiment 1 of the valve bag feeder of the present invention;
FIG. 7 is a view showing a state in which the valve port bag pile is ready to be pushed to the bag magazine in embodiment 1 of the valve port bag feeder of the present invention;
fig. 8 is a schematic structural view of a driving motor of the material pushing driving mechanism in embodiment 1 of the valve bag feeder of the present invention;
FIG. 9 is a schematic view showing the construction of a pusher driving mechanism in embodiment 1 of the valve bag feeder of the present invention;
in the figure: 1. a storage bin; 11. a storage bin pallet; 111. a left side fixing plate; 112. a middle fixing plate; 113. a right side fixing plate; 12. a material pushing channel; 13. opening the operation; 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 bag stacks; 4. a material pushing plate; 41. a bag bin stop face; 42. a reserve bin stop surface; 51. a linear guide rail; 52. a slider; 53. a fixed mount; 54. a drive motor; 6. a rotary drive cylinder; 7. a feeder floor; 71. a reserve bin floor; 72. a bag house floor; 81. a lifting stepping motor; 82. a screw shaft of a stepping motor; 91. a plane detection switch on the bag stack; 92. a bag pile original point detection switch; 93. a lower limit position detection switch of the bag stack; 10. a reserve complete button; 101. a drive cylinder; 102. and (5) pressing a bag plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Embodiment 1 of the valve bag feeder of the present invention:
as shown in fig. 1 to 9, the valve bag supply machine includes a frame, a valve bag opening mechanism, a storage bin 1 and a bag bin 2, and the valve bag opening mechanism includes 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 bag top position of the valve bag and a bag taking moving mechanism for driving the sucker to move, the bag taking mechanism is in the prior art, the bag taking mechanism is not expanded in detail in the embodiment, for example, a mechanical arm in the prior art can be adopted, and the valve bag taking mechanism in the authorized notice number CN201941999U can also be adopted.
When the valve bag is flatly placed in the bag bin 2, the bag is pushed against the left bag bottom and is arranged on the right side of the bag bin 2, the bag pressing mechanism is arranged on the right side of the bag bin 2 and used for pressing the bag bottom of the valve bag downwards when the bag taking mechanism takes the bag and enabling the bag opening of the valve bag to be opened by being matched with the bag taking mechanism. 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, the driving cylinder is a telescopic cylinder in the embodiment, and the bag pressing plate 102 is located 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 can also press the middle part of the valve bag.
Storage storehouse 1 and bag storehouse 2 all are used for storing valve port bag buttress, and the top of storage storehouse 1 and bag storehouse 2 is uncovered, and wherein storage storehouse 1 is used for storing reserve valve port bag buttress 3, and bag storehouse 2 is used for storing the valve port bag buttress 3 that supplies to get a bag mechanism and snatch.
As shown in FIG. 7, the bag house 2 has a left stopper 22 for stopping the left side of the valve pocket stack 3, a right stopper 23 for stopping the right side of the valve pocket stack 3, and a front stopper 24 for stopping the front side of the valve pocket stack 3, wherein the right stopper 23 constitutes a mounting seat of the driving cylinder. When the valve bag is horizontally placed in the bag bin, the bag is supported at the left bag bottom and at the right side. 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 exerts a leftward acting force on the valve bag in the bag bin, and the left side stopper on the left baffle plate stops the valve bag stack, so that the sucked valve bag is prevented from being brought up by the valve bag on the lower side, and the valve bag stack 3 is kept neat.
The valve bag supply machine comprises a material pushing plate 4, a material pushing driving mechanism and a material pushing switching mechanism, and the material pushing driving mechanism and the material pushing switching mechanism are controlled by a controller. The pusher plate 4 forms a pusher for pushing the valve pocket stack 3 in the storage bin 1 into the pocket bin 2. The valve bag pile 3 in the storage bin 1 is pushed to the bag bin 2 through the material pushing plate 4. According to the valve bag feeding machine, the storage bin and the bag bin are arranged, so that the valve bag stacks can be stored in the storage bin in advance when the bag bin works normally, and when the valve bag stacks need to be supplemented in the bag bin, the valve bag stacks can be directly pushed by the pushing plate, so that the feeding efficiency of the valve bags is greatly improved.
The pushing plate 4 has an initial position and a pushing position for pushing the valve port bag stack 3 into the bag bin 2 in the pushing stroke. The material pushing plate 4 extends up and down, and when the material pushing plate 4 is located at an initial position, the material pushing plate 4 can extend into the storage bin 1 to push the valve port bag stack 3 to the bag bin 2.
The pushing driving mechanism is used for driving the pushing plate 4 to move back and forth 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 forward and backward, a sliding block 52 is assembled on the linear guide rail 51 in a forward and backward guiding sliding manner, a fixing frame 53 is fixed on the sliding block 52, the pushing switching mechanism is a rotary driving cylinder 6 arranged 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 slide block 52 on the linear guide rail 51 is driven by the screw nut mechanism to move back and forth, the slide block 52 is fixed with a nut of the screw nut mechanism, and a screw of the screw nut mechanism is driven by the driving motor 54 to rotate. The rotary driving cylinder 6 in this embodiment is a cylinder, and the rotary driving cylinder 6 constitutes 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 pusher state and an avoidance state. The material pushing plate 4 extends horizontally when in an avoiding state, can avoid the valve port bag stack 3 in the storage bin 1 and returns to the initial position from a pushing position under the action of the material pushing driving mechanism; the pushing piece extends up and down when in a pushing state, and can push the valve port bag stack 3 in the storage bin 1 to enter the bag bin 2 under the action of the pushing driving mechanism. When the material pushing plate 4 is in an avoiding state, the material pushing plate horizontally extends, and the occupied space is smaller.
The material pushing plate 4 is always in a material pushing state to be pushed to the position to separate the storage bin 1 and 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 pocket stop surface 41 for stopping the valve pocket stack 3 in the bag pocket 2 and a storage pocket stop surface 42 for stopping the valve pocket stack 3 in the storage pocket 1 when pushed to the position, and in the present embodiment, the front and rear side plate surfaces of the pusher plate 4 respectively constitute the bag pocket stop surface 41 and the storage pocket stop surface 42. In the valve bag supply machine, the material pushing plate 4 is always pushed to the position in a material 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 also be used as a positioning part of the valve bags in the storage bin 1, and the valve bag stack 3 in the storage bin 1 can be conveniently placed. The structure of the valve bag supply machine is further simplified, and the supply efficiency of the valve bag is improved.
In this embodiment, the storage bin 1 and the material pushing plate 4 are respectively positioned on one pair of adjacent two side surfaces of the valve pocket stack 3 in the horizontal direction, and the storage bin 1 has an operation opening 13 facing the other pair of adjacent two side surfaces of the valve pocket stack 3. Storage bin 1 has a positioning side 14 for positioning with a side of valve bag stack 3 in storage bin 1, and positioning side 14 is vertically disposed and positioning side 14 and storage bin stopper surface 42 are respectively used for positioning with two sides adjacent to valve bag stack 3. The open 13 of operation is convenient for placing of valve bag buttress 3, and the space of reserving for manual operation is abundant, and operation safety obtains fully ensured, improves valve bag buttress 3's last bag efficiency.
In this embodiment, the storage bin 1 includes a storage bin supporting plate 11, the storage bin supporting plate 11 is used for supporting the valve-port bag stack 3 in the storage bin 1, the bag bin 2 includes a bag bin supporting plate 21, and the bag bin supporting plate 21 is used for supporting the valve-port bag stack 3 in the bag bin 2. In order to facilitate the pushing of the valve bag stack 3, when the bag bin supporting plate 21 is at the lowest position, the upper side plate surface of the bag bin supporting plate 21 is lower than the upper side plate surface of the storage bin supporting plate 11. The valve bag supply machine comprises a supply machine bottom plate 7, a part of the supply machine bottom plate 7 forms a storage bin bottom plate 71 of the storage bin 1, and the storage bin bottom plate 71 and a storage bin supporting plate 11 are arranged at intervals up and down to form an avoiding channel for the material pushing plate 4 in an avoiding state to pass through. Another portion 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 material pushing driving mechanism is arranged on the bottom plate 7 of the supply machine, one end of a linear guide rail 51 of the material 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 and extends out of the bag bin 2, so that the driving motor is convenient to dissipate heat.
In this embodiment, the storage bin supporting plate 11 includes three fixing plates, namely a left fixing plate 111, a middle fixing plate 112, and a right fixing plate 113, which are arranged at left and right intervals, wherein a material pushing channel 12 for avoiding the material pushing plate 4 in the material pushing state is formed between two adjacent fixing plates on the left and right, and two avoiding channels for the material pushing plate 4 in the avoiding state to pass through are arranged and are respectively located on the lower side of the left fixing plate and the lower side of the right fixing plate. In order to facilitate the fixation, the middle fixing plate extends into the bag bin and is fixed with the bag bin. The front end and the rear end of the middle fixing plate 112 are respectively fixed with the bag bin and the storage bin, and the upper side surface of the middle fixing plate 112 in the bag bin is lower than the upper side surface of the storage bin to avoid the interference between the middle fixing plate 112 and the bag bin supporting plate 21. The middle fixing plate 112 is located on the upper side of the pushing driving mechanism and can play a role in shielding.
The two material pushing plates 4 are arranged, and the two material pushing plates 4 share one material pushing driving mechanism. The rotary driving cylinders 6 are arranged corresponding to the material pushing plates 4 one by one. In this embodiment, two rotation driving cylinders 6 are provided, and the rotation directions of the two rotation driving cylinders 6 are opposite, so that backward interference of the two material pushing plates is avoided.
An interval is arranged between the front and the back of the storage bin supporting plate 11 and the bag bin supporting plate 21, and the pushing plate 4 is swung to be in a horizontal state at the interval. In this embodiment, the reserve bin 1 is located at the rear side of the bag bin 2. The rear side of the storage bin supporting plate 11 is provided with a moving space for the material pushing plate 4 to swing to a vertical state. Bag storehouse layer board 21 can the up-and-down motion, and bag storehouse 2 disposes the bag storehouse layer board elevating system that drive bag storehouse layer board 21 goes up and down, and bag storehouse layer board 21 is used for driving the lift of valve port bag buttress 3 in the bag storehouse 2 to make the valve port bag at top be in the height of settlement all the time, be convenient for get the operation of getting the bag of bag mechanism.
In this embodiment, the bag bin supporting plate lifting mechanisms are provided with four and are respectively arranged at four corners of the bag bin 2. The bag bin supporting plate lifting mechanism comprises a lifting stepping motor 81 and a stepping motor screw shaft 82, the lifting stepping motor 81 is fixed with the bag bin supporting plate 21, and the lifting stepping motor 81 lifts to drive the bag bin supporting plate 21 to lift.
In order to realize the automatic supplement of the valve bag stack, the bag bin 2 is provided with a bag stack upper plane detection switch 91, a bag stack original point 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 a valve bag at the top of the valve bag stack 3, after the valve bag in the bag bin 2 is used, the bag stack upper plane detection switch 91 cannot detect the valve bag at the top, a signal is sent to the controller, the bag stack original point detection switch 92 is triggered by the bag bin supporting plate 21 at the moment, a signal is sent to the controller, and the controller judges that the valve bag in the bag bin 2 is used up according to the signals sent by the bag stack upper plane detection switch 91 and the bag stack original point detection switch 92 and needs to supplement the valve bag.
The storage completion button 10 is arranged in the storage bin 1, when the valve bag stack 3 completes supplement in the storage bin 1, a worker presses the storage completion button 10, the controller obtains a signal, at the moment, if the valve bag in the bag bin 2 is 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 lower limit position detection switch 93 of the bag stack, and the controller controls the material pushing driving mechanism and the material pushing switching mechanism to enable the material pushing plate 4 to push the valve bag stack 3 in the storage bin 1 to the bag bin 2. The deposit is accomplished the button and can be improved the security of machine, and operating personnel accomplishes deposit valve pocket buttress 3 back, and the scraping wings can work.
In the present embodiment, the storage completion button 10 constitutes 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 the loading of the valve bag stack in the storage bin, and the sensor may be a valve bag stack in-place detection sensor.
In this embodiment, two slide position sensors for detecting the position of the slide 52 are disposed on the linear guide 51, when the material pushing plate 4 reaches the initial position, the slide position sensor at the rear end is triggered, the controller receives a signal to control the driving motor 54 to stop, when the material pushing plate 4 reaches the pushing position, the slide 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, the pushing plate 4 is switched from a pushing state to an avoiding state when a valve pocket is arranged in the storage bin 1 and no valve pocket is arranged in the bag bin 2, 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 to push the valve pocket stack 3 in the storage bin 1 to the bag bin 2.
The working process of the valve bag supply machine in the embodiment is as follows:
when the machine starts to work, the storage bin 1 stores the standby valve pocket stacks 3, the material pushing plate 4 is in a material pushing state at an initial position, the valve pocket stacks 3 are pushed to the bag bins 2 under the action of the material pushing driving mechanism, the material pushing plate 4 is kept in the material pushing state, the bag bin stop surfaces 41 on the material pushing plate 4 can be used for positioning the valve pocket stacks 3 in the bag bins 2, and the storage bin stop surfaces 42 on the material pushing plate 4 can be used as the reference of the valve pocket stacks 3 when the storage bin 1 is loaded;
after the valve bag stack 3 is brought to the bag bin 2, the bag bin 2 starts to work normally, the bag taking mechanism sucks 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 bag stack 3 can be stored in the storage bin 1 for standby;
after the valve bag in the bag bin 2 is used up, the controller judges that the valve bag in the bag bin 2 is used up according to signals given by the plane detection switch on the bag stack and the bag stack original point detection switch 92, the valve bag needs to be supplemented, and if the storage completion button 10 gives a signal that the storage of the valve bag stack 3 is completed, the controller controls the material pushing plate 4 to return to the initial position;
the material pushing plate 4 swings to an avoiding state under the driving of the rotary driving cylinder 6, then the material pushing plate 4 returns to an initial position from an avoiding channel on the lower side of the storage bin supporting plate 11 under the action of the material pushing driving mechanism, the rotary driving cylinder 6 drives the material pushing plate 4 to swing to a material pushing state, then the material pushing driving mechanism drives the material pushing plate 4, the material pushing plate 4 pushes the valve bag stack 3 to move forwards until the material pushing plate 4 reaches a pushing position, and at the moment, the valve bag stack 3 reaches the bag bin 2, and a working cycle is completed.
The valve bag supply machine of the present invention is the embodiment 2, and the structure of the valve bag supply machine in this embodiment is different from the above embodiments only in that in this embodiment, the bag pressing mechanism is an electric push rod. In other embodiments, the bag pressing mechanism can also be arranged on the frame. In other embodiments, the bag pressing mechanism can also press the middle part of the valve bag. The bag pressing mechanism can adopt a swing mechanism besides a telescopic mechanism, for example, a 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.
Embodiment 5 of the valve bag feeder of the present invention, the structure of the valve bag feeder in this embodiment is different from the above embodiments only in that the valve bag feeder in this embodiment is provided with only a bag bin and no reserve bin.
In the embodiment 6 of the valve bag feeder according to the present invention, the structure of the valve bag feeder in this embodiment is different from that in the above embodiments only in that the pushing plate extends up and down in both the pushing state and the retreating state, but the pushing plate is at a different height. 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 retracts downwards, the pushing plate is located on the lower side of the storage bin supporting plate, and when the piston rod extends upwards, the pushing plate extends out of the storage bin supporting plate and is used for pushing. In other embodiments, the pushing driving mechanism may be driven by a telescopic cylinder to move up and down.
An embodiment 7 of the valve bag feeder of the present invention, wherein the structure of the valve bag feeder is different from the above embodiments only in that the pushing member is a pushing rod. In other embodiments, the pushing member may also be a pushing block or a pushing fork.
The valve bag supply machine according to the embodiment 8 of the present invention is different from the above-described embodiments only in that the pushing member is inclined in the retracted state in this embodiment.
An embodiment 9 of the valve bag feeder of the present invention, wherein the structure of the valve bag feeder of this embodiment is different from the above embodiments only in that in this embodiment, the swing driving mechanism includes a servo motor, the material pushing plate is fixed on an output shaft of the servo motor, and a swing angle of the material pushing plate is controlled by the servo motor. The material pushing plate can also be assembled on the sliding block in a swinging mode, and the material pushing plate is pushed to swing through the telescopic cylinder.
The embodiment 10 of the valve bag feeder of the present invention, the structure of which differs from the above embodiments only in that one ejector plate is provided. In other embodiments, more than three ejector plates may be provided.
In an embodiment 11 of the valve bag supply machine of the present invention, the structure of the valve bag supply machine in this embodiment is different from the above embodiments only in that in this embodiment, the pushing plate is disposed on the side surface of the storage bin, the pushing plate extends horizontally when in the pushing state, extends vertically when in the avoiding state, and the pushing plate is located on the horizontal side of the storage bin when in the avoiding state.
In an embodiment 12 of the valve bag supply machine of the present invention, the structure of the valve bag supply machine in this embodiment is different from the above embodiments only in that in this embodiment, the material pushing driving mechanism is a belt transmission mechanism, and the material pushing plate is fixed on the belt and is driven by the belt to reciprocate. In other embodiments, the pushing driving mechanism can also be a slider-crank mechanism, and the pushing plate is arranged on the slider.
The valve bag supply machine according to the embodiment 13 of the present invention is different from the above-described embodiments only in that the pushing material driving mechanism is provided on the lower side of the bottom plate of the supply machine in this embodiment. In other embodiments, the pusher plate may also pass under the bottom plate of the feeder to return from the pushed position to the home position.
The valve bag supply machine of the present invention has the specific embodiment 14, and the structure of the valve bag supply machine in this embodiment is different from that of the above specific embodiment only in that the pushing material driving mechanism is located at the lower side of the storage bin supporting plate, and the driving motor is located at the lower side of the storage bin supporting plate.
An embodiment 15 of the valve bag feeder of the present invention is different from the above embodiments only in that the bag bin pallet is fixed to the side wall of the bag bin.
Embodiment 16 of the valve bag feeder of the present invention, the structure of the valve bag feeder of this embodiment is different from the above embodiments 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.
In the specific embodiment of the valve bag opening mechanism of the present invention, the structure of the valve bag opening mechanism in this embodiment is the same as that of the valve bag opening mechanism in any specific embodiment of the valve bag supply machine, and details are not repeated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. Valve bag opening mechanism includes:
the bag taking mechanism comprises a sucker for sucking the bag top position of the valve bag and a bag taking moving mechanism for driving the sucker to move;
its characterized in that, valve bag opening mechanism still includes:
the bag pressing mechanism is used for pressing the middle part or the bag 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, controls the bag pressing mechanism to compress the valve bag when a sucking disc of the bag taking mechanism sucks the valve bag, and controls the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the bag opening of the valve bag.
2. The valve bag opening mechanism according to claim 1, wherein the bag pressing mechanism comprises a driving cylinder (101) and a bag pressing plate (102) driven by the driving cylinder (101).
3. The valve bag feeding machine comprises a bag bin (2) and a valve bag opening mechanism, wherein the bag bin (2) is used for storing the valve bags stacked together;
the valve bag opening mechanism comprises:
the bag taking mechanism comprises a sucker for sucking the bag 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 take the valve bag out of the stock bin; its characterized in that, valve bag opening mechanism still includes:
the bag pressing mechanism is used for pressing the middle part or the bag 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, controls the bag pressing mechanism to compress the valve bag when a sucking disc of the bag taking mechanism sucks the valve bag, and controls the bag pressing mechanism to loosen the valve bag after the bag taking mechanism moves upwards to open the bag opening of the valve bag.
4. A valve bag feeder according to claim 3, wherein the bag pressing mechanism is provided on the bag magazine (2).
5. The valve bag supply machine according to claim 4, wherein the bag top is at the left bag bottom and at the right when the valve bag is flatly placed in the bag storehouse (2), and the bag pressing mechanism is arranged at the right side of the bag storehouse (2) and is used for pressing the bag bottom of the valve bag.
6. The valve bag supply machine according to claim 3, wherein the bag bin (2) has a left stop surface for stopping the left side of the valve bag stack (3), the valve bag is placed on the left bag bottom and on the right side when the valve bag is placed in the bag bin (2), and the controller controls the bag taking mechanism to move the suction cup to the left after the bag pressing mechanism releases the valve bag, so that the sucked valve bag applies a leftward acting force to the valve bag in the bag bin (2).
7. The valve port bag feeding machine according to any one of claims 3 to 6, wherein the bag bin (2) comprises a bag bin support plate (21), the bag bin (2) is provided with a bag bin support plate lifting mechanism for driving the bag bin support plate (21) to lift, and the bag bin support plate (21) is used for driving the valve port bag stack (3) in the bag bin (2) to lift and enable the valve port bag at the top of the valve port bag stack (3) to be always at a set height.
8. The valve bag feeder according to claim 7, wherein the bag pressing mechanism includes a driving cylinder (101) and a bag pressing plate (102) driven by the driving cylinder (101).
9. The valve bag supply machine according to any one of claims 3 to 6, wherein the valve bag supply machine comprises:
the storage bin (1) is used for storing a standby valve bag stack (3);
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 piece is provided with an initial position and a pushing position for pushing the valve port bag stack (3) into the bag bin (2) in a pushing stroke;
the pushing driving mechanism drives the pushing piece to reciprocate between a pushing position and an 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 pushing piece can be pushed to the initial position from the pushing position under the action of the pushing driving mechanism to avoid the valve port bag stack (3) in the storage bin (1), 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 material pushing driving mechanism and the material pushing switching mechanism are both connected with the controller;
the material pushing piece is controlled by the controller to be in a material pushing state to be in a pushing position 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 pushing element has a bag compartment stop surface (41) for stopping the valve pocket stack (3) in the bag compartment (2) when pushed into position, and a storage compartment stop surface (42) for stopping the valve pocket stack (3) in the storage compartment (1).
10. The valve bag feeding machine according to claim 9, wherein the storage bin (1) is provided with a storage completion signal module, and the storage completion signal module sends a signal to the controller after the storage bin (1) completes 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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| CN202111016480.7A CN113650868B (en) | 2021-08-31 | 2021-08-31 | Valve bag opening mechanism and valve bag feeder |
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| CN113650868B CN113650868B (en) | 2023-08-18 |
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| CN113650868B (en) | 2023-08-18 |
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