CN219313167U - Automatic bag clamping device for packaging electronic scale - Google Patents

Abstract

The utility model discloses an automatic bag clamping device for packaging an electronic scale, which comprises: the material door assembly is used for buffering materials and comprises a clamping bag fixing seat, two ends of the top of the clamping bag fixing seat are respectively and movably provided with an air cylinder, a clamping bag body is fixedly embedded in the middle of the clamping bag fixing seat, a connecting rod is fixedly connected to the bottom of an output shaft of the air cylinder, a first fisheye bearing is fixedly connected to the bottom of the connecting rod, and a left material door and a right material door are respectively hinged to the bottoms of the two first fisheye bearings. According to the utility model, the left material door and the right material door are arranged at the bottom of the bag clamping body to be matched with the bag clamping body to cache materials, the materials are cached, the situation that the material is required to stop discharging and the bagging operation can be continued after the next bag clamping operation is completed is avoided, meanwhile, the blanking fall is reduced, the blanking time is shortened, the beat of equipment is further accelerated, and the aim of improving the production efficiency of products is fulfilled.

Description

Automatic bag clamping device for packaging electronic scale

Technical Field

The utility model relates to the technical field of packaging electronic scales, in particular to an automatic bag clamping device for packaging electronic scales.

Background

In many packaging processes, the packaging is generally decomposed into a plurality of procedures which are completed manually, including bag taking, bag opening, bagging, sealing and the like, and the defects of repeated and tedious actions, high labor intensity and low working efficiency exist; the automatic packaging machine is widely applied in various packaging processes and automation processes, the automatic packaging electronic scale is adopted to greatly improve the production efficiency, and in the fields of chemical industry, grains, foods, pharmacy and the like, the bag opening is required to be fixed on a blanking opening to finish the material transferring work in the finished product metering and packaging process, so that the clamping and fixing of the bag opening of the packaging bag are carried out by the clamping device.

However, in the prior art, when in actual use, the material cannot be cached, so that after bagging is completed, discharging is stopped, and the bagging operation can be continued after the next bag clamping operation is completed, and further the production efficiency of the product is affected.

Disclosure of Invention

The utility model aims to provide an automatic bag clamping device for a packaging electronic scale, which aims to solve the problem that the bagging operation can be continued only after the material is stopped and the next bag clamping operation is finished after the bagging is finished, so that the production efficiency of products is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: comprising the following steps:

the material door assembly is used for caching materials and comprises a clamping bag fixing seat, two ends of the top of the clamping bag fixing seat are respectively and movably provided with an air cylinder, a clamping bag body is fixedly embedded in the middle of the clamping bag fixing seat, the bottom of an output shaft of the air cylinder is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a first fisheye bearing, the bottoms of the two first fisheye bearings are respectively hinged with a left material door and a right material door, and the left material door and the right material door are respectively hinged to the bottom of the clamping bag body;

the sucking disc bag opening assembly is used for opening the packaging bag and comprises lifting cylinders which are fixedly connected to two ends of the bottom of a bag clamping fixing seat respectively, a connecting support is fixedly connected to the bottom of the lifting cylinders, a telescopic cylinder is fixedly connected to the bottom of the connecting support, a sucking disc fixing frame is fixedly connected to one end of an output shaft of the telescopic cylinder, and an opening and closing sucking disc is fixedly connected to one end of the sucking disc fixing frame, which is far away from the telescopic cylinder;

the clamping jaw assembly is used for clamping a packaging bag and comprises two rotating shafts, the two rotating shafts are respectively rotated and arranged in the middle of a clamping bag fixing seat, a clamping jaw cylinder is fixedly connected to the surface of the rotating shaft, the bottom of the clamping jaw cylinder is fixedly connected with the clamping jaw fixing seat, the clamping jaw fixing seat is of a bottom opening structure, the inner wall of the clamping jaw fixing seat is rotationally connected with two second connecting rods, the bottom of each second connecting rod is fixedly connected with a crank, the bottoms of the two clamping jaws are tightly attached, the second connecting rods are of a T-shaped structure, the tops of the second connecting rods are hinged with driving rods, one ends of the driving rods, away from the positions of the second connecting rods, of the driving rods are hinged with driving frames, the driving frames are movably connected to the inner wall of the clamping jaw fixing seat, the output shafts of the clamping jaw cylinders movably penetrate through and extend to the bottoms of the clamping jaw fixing seat, and the output shafts of the clamping jaw cylinders are fixedly connected to the tops of the driving frames.

Preferably, the bag clamping body is of a bottom opening structure, two ends of the top of the bag clamping fixing seat are respectively and fixedly connected with an air cylinder base, the air cylinder is hinged to the middle of the air cylinder base, and an output shaft of the air cylinder movably penetrates through and extends to the bottom of the bag clamping fixing seat.

Preferably, the width of the left material door is larger than that of the right material door, the right material door is movably connected to the inner wall of the left material door, and a seal is formed at the bottom of the bag clamping body, the left material door and the right material door are symmetrically arranged about a vertical axis of the midpoint of the bag clamping body, and the bottoms of the bag clamping body corresponding to the left material door and the right material door are curved surfaces, so that the left material door is matched with the right material door to seal the bottom of the bag clamping body.

Preferably, one end of the sucker fixing frame is fixedly connected with an electromagnetic valve, and the electromagnetic valve is communicated with the inside of the opening and closing sucker through a pipeline.

Preferably, the two end side walls of the bag clamping fixing seat corresponding to the rotating shaft position are respectively fixedly embedded with a bearing with a seat, and the rotating shaft is fixedly connected to the inner wall of the bearing with the seat.

Preferably, the pivot activity runs through and extends to the outside of pressing from both sides the bag fixing base, one of them the one end fixedly connected with first connecting rod of pivot, the one end that pivot position was kept away from to first connecting rod rotates and is connected with the second fisheye bearing, the one end fixedly connected with cylinder that opens and shuts that first connecting rod position was kept away from to the second fisheye bearing, the surface of cylinder that opens and shuts articulates has articulated seat, and articulated seat fixedly connected with is at the top of pressing from both sides the bag fixing base, two the one end that first connecting rod position was kept away from to the pivot is all fixedly connected with third connecting rod respectively, two the one end that the pivot was kept away from to the third connecting rod is all rotated respectively and is connected with the third fisheye bearing, and the equal fixedly connected with adjusting screw of one end of two third fisheye bearing opposite faces.

Preferably, one ends of the opposite surfaces of the two clamping jaws are respectively and fixedly connected with a rubber pad.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the left material door and the right material door are arranged at the bottom of the bag clamping body to be matched with the bag clamping body to cache materials, the materials are cached, the situation that the material is required to stop discharging and the bagging operation can be continued after the next bag clamping operation is completed is avoided, meanwhile, the blanking fall is reduced, the blanking time is shortened, the beat of equipment is further accelerated, and the aim of improving the production efficiency of products is fulfilled;

the left material door and the right material door are respectively driven by the cylinder to rotate downwards on the surface of the bag clamping body through the connecting rod and the first fisheye bearing, so that the right material door moves on the inner wall of the left material door point, the bottom of the bag clamping body is sealed to prevent materials in the bag clamping body from falling, the whole equipment is compact in structure, stable in operation, continuous in action, high in automation degree and convenient and rapid to maintain.

Drawings

FIG. 1 is a front view of the whole structure of an automatic bag clamping device for packaging an electronic scale;

FIG. 2 is a schematic diagram of the whole structure of an automatic bag clamping device for packaging electronic scales;

FIG. 3 is a partial schematic view of the whole structure of an automatic bag clamping device for packaging electronic scales;

FIG. 4 is a schematic view showing a part of a structure of a clamping jaw assembly of an automatic bag clamping device for packaging an electronic scale;

fig. 5 is a schematic view of a bag body structure of an automatic bag clamping device for packaging electronic scales.

In the figure: 1. a gate assembly; 101. a bag clamping fixing seat; 102. a cylinder base; 103. a cylinder; 104. a bag clamping body; 105. a connecting rod; 106. a first fisheye bearing; 107. a left material door; 108. a right material door; 2. a suction disc bag opening assembly; 201. a lifting cylinder; 202. a connecting bracket; 203. a telescopic cylinder; 204. a sucker fixing frame; 205. opening and closing the sucking disc; 3. a jaw assembly; 301. an opening and closing cylinder; 302. a second fish-eye bearing; 303. a first link; 304. a rotating shaft; 305. a bearing with a seat; 306. a clamping jaw cylinder; 307. a clamping jaw fixing seat; 308. a second link; 309. a crank; 310. a clamping jaw; 311. a third link; 312. a third fisheye bearing; 313. and adjusting a screw rod.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: comprising the following steps:

the material door assembly 1 for caching materials comprises a clamping bag fixing seat 101, two ends of the top of the clamping bag fixing seat 101 are respectively and movably provided with an air cylinder 103, a clamping bag body 104 is fixedly embedded in the middle of the clamping bag fixing seat 101, a connecting rod 105 is fixedly arranged at the bottom of an output shaft of the air cylinder 103, first fisheye bearings 106 are fixedly arranged at the bottom of the connecting rod 105, a left material door 107 and a right material door 108 are respectively hinged at the bottoms of the two first fisheye bearings 106, the left material door 107 and the right material door 108 are respectively hinged at the bottom of the clamping bag body 104, the air cylinder 103 stretches through the air cylinder 103, and the air cylinder 103 respectively drives the left material door 107 and the right material door 108 to rotate downwards on the surface of the clamping bag body 104 through the connecting rod 105 and the first fisheye bearings 106, so that the right material door 108 moves on the inner wall of the left material door 107, and forms a seal at the bottom of the clamping bag body 104 to prevent materials in the clamping bag body 104 from falling;

the sucking disc bag opening assembly 2 for opening the packaging bag comprises a lifting cylinder 201 fixedly arranged at two ends of the bottom of a bag clamping fixing seat 101, a connecting support 202 fixedly arranged at the bottom of the lifting cylinder 201, a telescopic cylinder 203 fixedly arranged at the bottom of the connecting support 202, a sucking disc fixing frame 204 fixedly arranged at one end of an output shaft of the telescopic cylinder 203, and an opening and closing sucking disc 205 fixedly arranged at one end of the sucking disc fixing frame 204 far away from the telescopic cylinder 203;

the clamping jaw assembly 3 for clamping the packaging bag, the clamping jaw assembly 3 comprises two rotating shafts 304, the two rotating shafts 304 are respectively and rotatably arranged in the middle of the bag clamping fixing seat 101, a clamping jaw air cylinder 306 is fixedly arranged on the surface of the rotating shaft 304, a clamping jaw fixing seat 307 is fixedly arranged at the bottom of the clamping jaw air cylinder 306, the clamping jaw fixing seat 307 is of a bottom opening structure, two second connecting rods 308 are rotatably connected to the inner wall of the clamping jaw fixing seat 307, a crank 309 is fixedly arranged at the bottom of the crank 309, clamping jaws 310 are fixedly arranged at the bottom of the crank 309, the bottoms of the two clamping jaws 310 are tightly attached, the second connecting rods 308 are of a T-shaped structure, driving rods are hinged to the tops of the second connecting rods 308, driving frames are hinged to one ends of the two driving rods, far away from the second connecting rods 308, and movably connected to the inner wall of the clamping jaw fixing seat 307, output shafts of the clamping jaw air cylinder 306 penetrate through and extend to the bottom of the clamping jaw fixing seat 307, and the output shafts of the clamping jaw air cylinder 306 are fixedly arranged at the tops of the driving frames.

The bag clamping body 104 is of a bottom opening structure, two ends of the top of the bag clamping fixing seat 101 are respectively and fixedly provided with an air cylinder base 102, an air cylinder 103 is hinged to the middle of the air cylinder base 102, and an output shaft of the air cylinder 103 movably penetrates through and extends to the bottom of the bag clamping fixing seat 101.

The width of the left material door 107 is larger than that of the right material door 108, the right material door 108 is movably connected to the inner wall of the left material door 107, and a seal is formed at the bottom of the bag clamping body 104, the left material door 107 and the right material door 108 are symmetrically arranged with respect to the vertical axis of the midpoint of the bag clamping body 104, and the bottoms of the bag clamping body 104 corresponding to the positions of the left material door 107 and the right material door 108 are curved surfaces, so that the left material door 107 is matched with the right material door 108 to seal the bottom of the bag clamping body 104.

One end of the sucker fixing frame 204 is fixedly provided with an electromagnetic valve, the electromagnetic valve is communicated with the inside of the opening and closing sucker 205 through a pipeline, the electromagnetic valve is in a communication state, the inside of the opening and closing sucker 205 is communicated with the outside atmospheric pressure, and then the bag can fall freely under the action of gravity.

The two end side walls of the bag clamping fixing seat 101 corresponding to the position of the rotating shaft 304 are respectively fixedly embedded with a seat bearing 305, and the rotating shaft 304 is fixedly arranged on the inner wall of the seat bearing 305.

The pivot 304 activity runs through and extends to the outside of pressing from both sides bag fixing base 101, one end fixed mounting of one of them pivot 304 has first connecting rod 303, the one end that pivot 304 position was kept away from to first connecting rod 303 rotates and is connected with second fisheye bearing 302, the one end that first connecting rod 303 position was kept away from to second fisheye bearing 302 has the cylinder 301 that opens and shuts, the surface of cylinder 301 articulates there is articulated seat, and articulated seat fixed mounting has third connecting rod 311 at the top of pressing from both sides bag fixing base 101, the one end that first connecting rod 303 position was kept away from to two pivots 304 is equal fixed mounting respectively, the one end that pivot 304 was kept away from to two third connecting rods 311 is all rotated respectively and is connected with third fisheye bearing 312, and the one end that two third fisheye bearings 312 opposite faces is equal fixed mounting has adjusting screw 313.

One end of the opposite faces of the two clamping jaws 310 are respectively fixedly provided with a rubber pad.

Working principle: when the bag clamping device is used, the bag is firstly moved to the bottom of the bag clamping body 104, the bag is positioned under the bag clamping body 104, at the moment, the opening and closing cylinder 301 is contracted, the opening and closing cylinder 301 is matched with the first connecting rod 303 to drive one rotating shaft 304 to rotate through the second fisheye bearing 302, when any rotating shaft 304 rotates, the other rotating shaft 304 reversely rotates, the two rotating shafts 304 oppositely rotate, when the two rotating shafts 304 oppositely rotate, the rotating shafts 304 are driven to downwards move through the clamping jaw cylinder 306 to be matched with the clamping jaw fixing seat 307, the second connecting rod 308 and the crank 309 until the two clamping jaws 310 are arranged at two ends of the bag, at the same time, the clamping jaw cylinder 306 is contracted, the clamping jaw cylinder 306 is driven to downwards move a driving frame, and one end of the driving frame is driven to upwards, and the driving frame is driven to drive the two clamping jaws 310 to be mutually close to each other through the second connecting rod 308 and the crank 309 which are matched with the inner wall of the clamping jaw fixing seat 307, and the bag is clamped and fixed, and the two clamping jaw cylinders are driven to continuously move the two clamping jaw cylinders 308 to be mutually far away from the opening and closing frame, so that the two clamping jaw cylinders are driven to continuously open and close the bag clamping jaw device is required to be driven to move the clamping jaw cylinder 309 to be opened and closed, and the bag is required to be opened to be matched with the clamping jaw cylinder and opened to be opened to the bag and closed;

after the clamping action of the bag is completed by the clamping jaw assembly 3, the lifting cylinder 201 drives the connecting support 202 to move up and down at the moment, the connecting support 202 is matched with the telescopic cylinder 203 and the sucker fixing frame 204 to drive the opening and closing sucker 205 to move up and down to adjust the position for adsorbing the bag, the telescopic cylinder 203 drives the opening and closing sucker 205 to squeeze the bag through the sucker fixing frame 204 and enables the opening and closing sucker 205 to adsorb the bag, meanwhile, the telescopic cylinder 203 contracts, the two opening and closing suckers 205 are mutually far away and the bag opening is opened, the purpose of automatically opening the bag opening is achieved, when the bag needs to be opened, the electromagnetic valve is in a communication state at the moment, the inside of the opening and closing sucker 205 is communicated with the outside atmospheric pressure, and the bag can freely fall under the action of gravity;

when the bottom of the bag clamping body 104 is in an opening state, the air cylinder 103 is contracted at the moment, and the air cylinder 103 drives the left material door 107 and the right material door 108 to rotate upwards on the surface of the bag clamping body 104 through the connecting rod 105 and the first fisheye bearing 106 respectively, so that the bottom opening of the bag clamping body 104 is opened, materials in the bag clamping body 104 freely fall into the bag, automatic charging operation is completed, after charging is completed, the air cylinder 103 stretches, the air cylinder 103 drives the left material door 107 and the right material door 108 to rotate downwards on the surface of the bag clamping body 104 through the connecting rod 105 and the first fisheye bearing 106 respectively, the right material door 108 moves on the inner wall of the left material door 107 point, and a seal is formed at the bottom of the bag clamping body 104 to prevent materials in the bag clamping body 104 from falling, the whole equipment is compact in structure, stable in operation, continuous in operation, high automation degree, maintenance is convenient and quick, meanwhile, the left material door 107 and the right material door 108 are matched with the bag clamping body 104 to buffer the materials through the arrangement at the bottom of the bag clamping body 104, the blanking time is shortened, the beat of the equipment is improved, and the output is improved.

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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. An automatic bag clamping device for packaging an electronic scale is characterized in that: comprising the following steps:

the material door assembly (1) is used for caching materials, the material door assembly (1) comprises a clamping bag fixing seat (101), two ends of the top of the clamping bag fixing seat (101) are respectively and movably provided with an air cylinder (103), the middle of the clamping bag fixing seat (101) is fixedly embedded with a clamping bag body (104), the bottom of an output shaft of the air cylinder (103) is fixedly connected with a connecting rod (105), the bottom of the connecting rod (105) is fixedly connected with a first fisheye bearing (106), the bottoms of the two first fisheye bearings (106) are respectively hinged with a left material door (107) and a right material door (108), and the left material door (107) and the right material door (108) are respectively hinged at the bottom of the clamping bag body (104);

the sucking disc bag opening assembly (2) is used for opening a packaging bag, the sucking disc bag opening assembly (2) comprises lifting cylinders (201) which are fixedly connected to two ends of the bottom of a bag clamping fixing seat (101) respectively, a connecting support (202) is fixedly connected to the bottom of each lifting cylinder (201), a telescopic cylinder (203) is fixedly connected to the bottom of each connecting support (202), a sucking disc fixing frame (204) is fixedly connected to one end of an output shaft of each telescopic cylinder (203), and an opening and closing sucking disc (205) is fixedly connected to one end of each sucking disc fixing frame (204) away from the position of each telescopic cylinder (203);

clamping jaw assembly (3) for centre gripping wrapping bag, clamping jaw assembly (3) include two pivot (304), and two pivot (304) are rotated respectively and are set up in the middle part that presss from both sides bag fixing base (101), the fixed surface of pivot (304) is connected with clamping jaw cylinder (306), the bottom fixedly connected with clamping jaw fixing base (307) of clamping jaw cylinder (306), clamping jaw fixing base (307) are bottom open structure, and the inner wall rotation of clamping jaw fixing base (307) is connected with two second connecting rods (308), the bottom fixedly connected with crank (309) of second connecting rod (308), the bottom fixedly connected with clamping jaw (310) of crank (309), and the bottom of two clamping jaws (310) is closely laminated, second connecting rod (308) are T font structure, and the top of second connecting rod (308) articulates there is the actuating lever, and two the actuating lever is kept away from the one end of second connecting rod (308) position and all articulates there is the actuating lever, and actuating lever swing joint is the inner wall in fixing base (307), the output shaft activity of clamping jaw cylinder (306) runs through and extends to the bottom of clamping jaw fixing base (307) and the fixed output shaft of clamping jaw fixing base (306) is connected at the top of clamping jaw fixing base (306).

2. The automatic bag clamping device for packaging electronic scales as claimed in claim 1, wherein: the bag clamping body (104) is of a bottom opening structure, two ends of the top of the bag clamping fixing seat (101) are fixedly connected with air cylinder bases (102) respectively, an air cylinder (103) is hinged to the middle of the air cylinder bases (102), and an output shaft of the air cylinder (103) movably penetrates through and extends to the bottom of the bag clamping fixing seat (101).

3. The automatic bag clamping device for packaging electronic scales as claimed in claim 2, wherein: the width of the left material door (107) is larger than that of the right material door (108), the right material door (108) is movably connected to the inner wall of the left material door (107) and forms a seal at the bottom of the bag clamping body (104), the vertical axes of the left material door (107) and the right material door (108) relative to the midpoint of the bag clamping body (104) are symmetrically arranged in a symmetrical axis, and the bottoms of the bag clamping body (104) corresponding to the positions of the left material door (107) and the right material door (108) are curved surfaces so that the left material door (107) is matched with the right material door (108) to seal the bottom of the bag clamping body (104).

4. An automatic bag clamping device for packaging an electronic scale according to claim 3, wherein: one end of the sucker fixing frame (204) is fixedly connected with an electromagnetic valve, and the electromagnetic valve is communicated with the inside of the opening and closing sucker (205) through a pipeline.

5. The automatic bag clamping device for packaging electronic scales as claimed in claim 4, wherein: the two end side walls of the bag clamping fixing seat (101) corresponding to the position of the rotating shaft (304) are respectively fixedly embedded with a bearing (305) with a seat, and the rotating shaft (304) is fixedly connected to the inner wall of the bearing (305) with the seat.

6. The automatic bag clamping device for packaging electronic scales as claimed in claim 5, wherein: the utility model discloses a bag fixing base, including bag fixing base (101) and pivot, pivot (304) are articulated to be connected with, one of them one end fixedly connected with first connecting rod (303) of pivot (304), the one end that pivot (304) are kept away from to first connecting rod (303) position rotates and is connected with second fisheye bearing (302), the one end fixedly connected with cylinder (301) that opens and shuts that first connecting rod (303) are kept away from to second fisheye bearing (302) position, the surface of cylinder (301) articulates there is articulated seat, and articulated seat fixed connection is at the top of bag fixing base (101), two the one end that pivot (304) kept away from first connecting rod (303) position all fixedly connected with third connecting rod (311) respectively, two the one end that pivot (304) are kept away from to third connecting rod (311) all rotates respectively and is connected with third fisheye bearing (312), and two third fisheye bearing (312) opposite one end all fixedly connected with adjusting screw (313).

7. The automatic bag clamping device for packaging an electronic scale according to claim 6, wherein: one ends of opposite surfaces of the two clamping jaws (310) are fixedly connected with rubber pads respectively.

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