CN212606142U

CN212606142U - Electronic quantitative packing scale

Info

Publication number: CN212606142U
Application number: CN202021480760.4U
Authority: CN
Inventors: 李军; 赵宏福
Original assignee: Changzhou Yanheng Intelligent Technology Co ltd
Current assignee: Changzhou Yanheng Intelligent Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-26
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to an electron ration packing scale belongs to packing technical field. The weighing device comprises a rack and a feeding weighing platform arranged on the top surface of the rack, wherein a weighing mechanism is arranged on the surface of the weighing platform, the weighing mechanism comprises weighing sensors symmetrically arranged on two sides of the top of the weighing mechanism, and a weighing bin assembly is also connected into an inner cavity of the weighing mechanism in a hoisting manner; the utility model discloses a weighing machine, including weighing machine, feed hopper, lifting cylinder, lifting slider, conveying mechanism, control box and feeding mechanism, weighing machine top is connected with feeding mechanism, the weighing machine bottom is connected with the unloading funnel, unloading funnel bottom and bag clamping mechanism are connected, fixed mounting has a lifting cylinder on bag clamping frame middle part and the crossbeam, lifting cylinder top is connected with lifting slider, lifting slider front surface level is provided with the bag horizontal mounting bracket that presss from both sides of a square, still be equipped with transport mechanism under the bag clamping mechanism, transport mechanism's side still is equipped with the control box, control box and feeding mechanism electric connection for automatic calculation control unloading is weighed weight.

Description

Electronic quantitative packing scale

Technical Field

The utility model relates to an electron ration packing scale belongs to packing technical field.

Background

The electronic quantitative packing scale is a device for quantitative weighing and packing by using an electronic weighing sensor, wherein M represents a packing target value, the existing electronic quantitative packing scale sets a metering mechanism by using M as the target value, a feeding mechanism controls materials entering a weighing hopper, the metering mechanism performs coarse feeding and fine feeding through a feedback control feeding mechanism, the feeding mechanism is closed to stop feeding when the target value is reached, and then the materials in the weighing hopper are put into a packing bag. Due to the technical limitations of the existing weighing sensors and weighing instruments, the maximum division number of the existing electronic scale is generally 3000-6000, and the highest packaging precision of the electronic packaging scale is generally +/-1/1000M by adding feeding and other system errors. Although this packaging accuracy can meet the requirements of national standards, for the packaging of some expensive materials, it is still desirable to have a quantitative packaging with higher accuracy so as to avoid the loss of users.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an electronic quantitative packaging scale and a high-precision weighing method thereof, so that the electronic quantitative packaging scale has industrial application value.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide an electronic quantitative packing scale, which comprises a frame and a feeding weighing platform arranged on the top surface of the frame,

the surface of the weighing platform is provided with a weighing mechanism, the weighing mechanism comprises a weighing sensor fixedly connected to the weighing mechanism, and a weighing bin assembly is also connected to the inner cavity of the weighing mechanism in a hoisting manner;

the top of the weighing mechanism is connected with a feeding mechanism;

the automatic weighing device is characterized in that the bottom of the weighing mechanism is connected with a discharging funnel, the bottom of the discharging funnel is connected with a bag clamping mechanism, a conveying mechanism is further arranged under the bag clamping mechanism, a control box is further arranged on the side face of the conveying mechanism, and the control box is electrically connected with the feeding mechanism and used for automatically calculating and controlling discharging and weighing weight.

Further, reinforced mechanism is including the feed opening that is located the top, the slope of feed opening bottom is provided with one section surge bin, the grafting is installed a rectangle picture peg on the lateral wall of surge bin top, the surge bin bottom is connected with the lower feed bin of vertical setting, still be equipped with unloading volume adjustment mechanism in the lower feed bin cavity.

Further, weighing machine constructs top central point and puts the feed inlet of weighing that is equipped with the square, the storehouse subassembly of weighing and weighing sensor pass through hoist and mount and connect, the storehouse subassembly of weighing is including the storehouse of weighing, what link up about the storehouse top of weighing is equipped with a horizontal jib, rope hoist and mount is passed through on weighing sensor at horizontal jib both ends, the storehouse bottom of weighing still is connected with one and opens and shuts the installation frame, the bottom of opening and shutting the frame left and right sides still symmetry is equipped with two axis of rotation, the rotatable cover in axis of rotation surface is equipped with opens and shuts the claw, open and shut the claw about each, the symmetry sets up, controls two the top of opening and shutting the claw is articulated with the both ends of opening.

Further, press from both sides bag mechanism including setting up the clamp bag frame in the frame below, fixed mounting has a lift cylinder on clamp bag frame middle part and the crossbeam, lift cylinder top is connected with the elevator slide, elevator slide front surface level is provided with a clamp bag horizontal installation frame, four corner departments of clamp bag horizontal installation frame outwards extend and are provided with four hoist and mount holders, clamp bag horizontal installation frame bottom still is equipped with the clamp bag cylinder of two slopes, and the output of every clamp bag cylinder still is connected with the clamp bag ring that a level set up.

Further, unloading volume adjustment mechanism includes the transmission cylinder in the feed bin lateral wall outside under fixed mounting, the transmission cylinder output articulates there is a transmission piece, the mobilizable fixing of transmission piece lower extreme is on the lateral wall of feed bin under, the bottom fixedly connected with of transmission piece adjusts the frame pivot.

Further, regulating frame pivot and transmission piece mutually perpendicular to run through the left and right sides wall through feed bin down, and also mutually perpendicular sets up between the left and right sides wall of feed bin down, regulating frame pivot bottom fixedly connected with unloading volume regulating frame, unloading volume regulating frame bottom is ARC structure, is equipped with a convex opening on the frame edge of unloading volume regulating frame left side.

Furthermore, the two sides of the lifting slide block are matched with the slide rails on the two sides of the bag clamping rack and can be connected in a sliding mode.

Furthermore, a hoisting clamping cylinder is further arranged on the hoisting clamping piece.

Further, transport mechanism is including installing the conveying frame under pressing from both sides bag horizontal installation frame, conveying frame surface is equipped with the conveyer belt, conveying motor is still installed to the side of conveying frame, the transmission is connected between conveying motor and the conveyer belt for the wrapping bag that will press from both sides the bag packing is transported to next station.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the utility model discloses an electronic quantitative packaging scale and high accuracy weighing method thereof adopts a new packaging scale weighing method under the level of present electronic scale maximum division number 3000 ~ 6000, invents a new packaging scale, realizes being higher than the packing precision of + -1/1000M, has greatly improved the packing weighing precision of material, has wide application prospect.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a complete set of drawings of the high-precision electronic quantitative packing scale of the present invention;

FIG. 2 is an assembly view of the feeding mechanism, the weighing mechanism and the discharging funnel of the high-precision electronic quantitative packing scale of the present invention;

FIG. 3 is a self-contained view of the weighing mechanism of the high-precision electronic quantitative packing scale of the present invention;

FIG. 4 is a self-contained drawing of the weighing compartment of the high-precision electronic quantitative packing scale of the present invention;

FIG. 5 is a perspective view of a weighing mechanism of the high-precision electronic quantitative packing scale of the present invention;

FIG. 6 is a perspective view of the open-close claw of the high-precision electronic quantitative packing scale of the present invention;

FIG. 7 is a perspective view of a feeding mechanism of the high-precision electronic quantitative packing scale of the present invention;

FIG. 8 is a perspective view of the discharge amount adjusting mechanism of the high-precision electronic quantitative packing scale of the present invention;

FIG. 9 is a side view of the bag clamping mechanism of the high-precision electronic quantitative packing scale of the present invention;

fig. 10 is a schematic structural view of a conveying mechanism in the high-precision electronic quantitative packing scale of the present invention;

wherein, in the figure,

1. a frame; 2. a weighing platform; 3. a feeding mechanism; 4. a weighing mechanism; 5. a discharging hopper; 6. a bag clamping mechanism; 7. a control box; 8. a transport mechanism;

31. a feeding port; 32. a buffer bin; 33. inserting plates; 34. discharging a bin; 35. a blanking amount adjusting mechanism;

351. a blanking amount adjusting frame; 352. a rotating shaft of the adjusting frame; 353. a transmission block; 354. a transmission cylinder;

41. a weighing sensor; 42. weighing the feed inlet; 43. a weighing bin assembly;

431. a weighing bin; 432. a horizontal boom; 433. an opening and closing installation frame; 434. a rotating shaft; 435. opening and closing the claw; 436. an opening and closing cylinder;

61. a bag clamping rack; 62. a lifting cylinder; 63. a lifting slide block; 64. a horizontal bag clamping mounting rack; 65. hoisting the clamping piece; 66. hoisting the clamping cylinder; 67. a bag clamping cylinder; 68. a bag clamping ring; 69. packaging bags;

81. a conveyor frame; 82. a conveyor belt; 83. a conveyor motor.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a high precision weighing apparatus for an electronic quantitative packing scale, which includes a frame 1 and a feeding weighing platform 2 installed on the top surface of the frame 1, and is characterized in that:

referring to fig. 1 and 3 to 6, a weighing mechanism 4 is installed on the surface of the weighing platform 2, the weighing mechanism 4 comprises weighing sensors 41 symmetrically arranged on two sides of the top of the weighing mechanism 4, the model is DEE-100kg, a square weighing feed inlet 42 is arranged at the center of the top of the weighing mechanism 4, a weighing bin assembly 43 connected with the weighing sensors 41 through hoisting is further arranged in an inner cavity of the weighing mechanism 4, the weighing bin assembly 43 comprises a weighing bin 431, a horizontal hanging rod 432 is arranged on the top of the weighing bin 431 in a left-right through manner, two ends of the horizontal hanging rod 432 are hoisted on the weighing sensors 41 through ropes, an opening and closing installation frame 433 is further connected to the bottom of the weighing bin 431, two rotating shafts 434 are further symmetrically arranged at the bottoms of the left and right sides of the opening and closing installation frame 433, and an opening and closing claw 435 is rotatably, the left and right opening and closing claws 435 are symmetrically arranged, when the opening and closing claws 435 are closed, the shape of the opening and closing claws 435 can be matched with the shape of the bottom of the weighing bin 431, so that the bottom of the whole weighing bin 431 is closed, materials are prevented from leaking downwards, the top ends of the left and right opening and closing claws 435 are hinged with the two ends of the opening and closing air cylinder 436 respectively, when the opening and closing air cylinder 436 extends outwards, the top ends of the left and right opening and closing claws 435 are pushed to move outwards, at the moment, the opening and closing claws 435 rotate by taking the rotating shaft 434 as a fulcrum, so that the bottoms of the opening and closing claws 435 are closed inwards, on the contrary, if the opening and closing air cylinder 436 contracts inwards, the top ends of the left and right opening and closing claws 435 are pulled to move inwards, at the moment, the opening and closing claws 435 rotate by taking the rotating shaft 434 as.

Referring to fig. 7 to 8, the top of the weighing mechanism 4 is connected with the feeding mechanism 3, the feeding mechanism 3 includes a square feed opening 31 horizontally arranged at the top, the bottom of the feed opening 31 is obliquely provided with a section of buffer bin 32, a rectangular inserting plate 33 is inserted and installed on the side wall of the top of the buffer bin 32, the depth of the inserting plate 33 into the buffer bin 32 can be controlled, the feeding speed of the feeding device is controlled, the deeper the inserting of the inserting plate 33 is, the slower the feeding speed is, the bottom of the buffer bin 32 is connected with a vertically arranged feed bin 34, a feed amount adjusting mechanism 35 is further arranged in the cavity of the feed bin 34, the feed amount adjusting mechanism 35 includes a transmission cylinder 354 fixedly installed at the outer side of the side wall of the feed bin 34, the output end of the transmission cylinder 354 is hinged with a transmission block 353, the lower end of the transmission block 353 is movably fixed on, the bottom end of the transmission block 353 is fixedly connected with an adjusting frame rotating shaft 352, the adjusting frame rotating shaft 352 and the transmission block 353 are perpendicular to each other and penetrate through the left side wall and the right side wall of the lower material bin 34 and are also perpendicular to each other between the left side wall and the right side wall of the lower material bin 34, the bottom of the adjusting frame rotating shaft 352 is fixedly connected with a blanking amount adjusting frame 351, the bottom of the blanking amount adjusting frame 351 is of an arc-shaped structure, the edge of the left side frame of the blanking amount adjusting frame 351 is provided with a circular arc-shaped through hole 355, when the transmission cylinder 354 extends outwards, the top of the transmission block 353 is pushed forwards, so that the lower end of the transmission block 353 is used as a fulcrum to drive the adjusting frame rotating shaft 352 to move anticlockwise and further drive the blanking amount adjusting frame 351 to move anticlockwise, so that the right side frame of the blanking amount adjusting frame 351 moves upwards and coincides with the top of the, equivalent to the material descends perpendicularly, the unloading volume is the biggest this moment, when transmission cylinder 354 contracts in, can drive regulating frame pivot 352 and unloading volume regulating frame 351 through transmission piece 353 and do clockwise motion together, until the coincidence of the forearm of unloading volume regulating frame 351 left side frame and unloading storehouse, the material can only leak under the circular arc opening 355 on the frame of unloading volume regulating frame 351 left side this moment, thereby guarantee minimum unloading volume, consequently, the in-process of transmission cylinder 354 shrink can make the unloading volume diminish.

Referring to fig. 9, the bottom of the weighing mechanism 4 is connected with a discharging funnel 5, the bottom of the discharging funnel 5 is connected with a bag clamping mechanism 6, the bag clamping mechanism 6 comprises a vertically arranged rectangular bag clamping frame 61 arranged below the frame 1, a lifting cylinder 62 is fixedly arranged on the middle part of the bag clamping frame 61 and a cross beam, the top end of the lifting cylinder 62 is connected with a lifting slider 63, two sides of the lifting slider 63 are matched and slidably connected with slide rails on two sides of the bag clamping frame 61, a square bag clamping horizontal mounting frame 64 is horizontally arranged on the front surface of the lifting slider 63, four lifting clamping members 65 are outwards extended and arranged at four corners of the bag clamping horizontal mounting frame 64, lifting clamping cylinders 66 are further arranged on the lifting clamping members 65, and two inclined bag clamping cylinders 67 are symmetrically arranged at the bottom of the bag clamping horizontal mounting frame 64, the output end of each bag clamping cylinder 67 is also connected with a horizontally arranged bag clamping ring 68, the bag clamping rings 68 are semicircular, the two bag clamping rings 68 are closed to form a complete circular structure, so that the packaging bag 69 is clamped and fixed, the hoisting clamping piece 65 hoists the packaging bag 69 on the bag clamping horizontal mounting frame 64 through a rope, the packaging bag 69 is hoisted away from the ground through the lifting cylinder 62 for charging, and the phenomenon of insufficient charging caused by fold stacking of the packaging bag 69 can be prevented by installation of hoisting away from the ground;

referring to fig. 10, a conveying mechanism 8 is further arranged right below the bag clamping mechanism 6, the conveying mechanism 8 comprises a conveying rack 81 arranged right below the bag clamping horizontal mounting rack 64, a conveying belt 82 is arranged on the surface of the conveying rack 81, a conveying motor 83 is further arranged on the side surface of the conveying rack 81, and the conveying motor 83 is in transmission connection with the conveying belt 82 and used for conveying the bag clamped and packaged packaging bag 69 to the next station.

The side of the conveying mechanism 8 is also provided with a control box 7, and the control box 7 is electrically connected with the feeding mechanism 3 and used for automatically calculating and controlling the blanking weighing weight.

The utility model discloses when in actual use, the target value that we need quantitative packing is 1000kg, when adopting current packing scale to pack, once measures 1000kg, and the highest precision that we can reach is 1000kg 1/1000, 1kg promptly.

When the high-precision electronic quantitative packaging scale of the utility model is adopted, the control box 7 divides the packaging scale into 20 times of metering, the feeding amount is controlled by the feeding mechanism 3, the target value set by the former 19 times of metering is 50kg, when the packaging scale weighs 19 times, the material actually entering the packaging bag is 1950kg, certain errors are generated during packaging, the error is also +/-1/1000 +/-950 kg, namely +/-0.95 kg, namely 50 +/-0.95 kg from the target value, the value is set as the target value of the last scale, the error of the last scale is the packaging error of the packaging scale, the precision which can be realized by the last scale is 50 +/-0.95 kg +/-1/1000 +/-0.05 kg, and obviously, the error is reduced by 20 times compared with the packaging error +/-1 kg of the existing packaging scale. And high-precision quantitative packaging is realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electron ration packing scale, includes frame (1) and installs reinforced weighing platform (2) at frame (1) top surface, its characterized in that:

the surface of the weighing platform (2) is provided with a weighing mechanism (4), the weighing mechanism (4) comprises a weighing sensor (41) fixedly connected to the weighing mechanism (4), and a weighing bin assembly (43) is also connected into an inner cavity of the weighing mechanism (4) in a hoisting manner;

the top of the weighing mechanism (4) is connected with a feeding mechanism (3);

weighing machine constructs (4) bottom and is connected with unloading funnel (5), unloading funnel (5) bottom and press from both sides bag mechanism (6) and connect, press from both sides still to be equipped with transport mechanism (8) under bag mechanism (6), the side of transport mechanism (8) still is equipped with control box (7), electric connection between control box (7) and reinforced mechanism (3) for automatic calculation control unloading weighs weight.

2. The electronic quantitative packaging scale of claim 1, wherein: reinforced mechanism (3) are including feed opening (31) that are located the top, the slope is provided with one section surge bin (32) feed opening (31) bottom, a rectangle picture peg (33) is installed in the grafting on surge bin (32) top lateral wall, surge bin (32) bottom is connected with lower feed bin (34) of vertical setting, still be equipped with unloading volume adjustment mechanism (35) in feed bin (34) cavity down.

3. The electronic quantitative packaging scale of claim 1, wherein: a square weighing feed inlet (42) is arranged at the center of the top of the weighing mechanism (4), the weighing bin assembly (43) is connected with the weighing sensor (41) through hoisting, the weighing bin assembly (43) comprises a weighing bin (431), a horizontal hanging rod (432) is arranged at the top of the weighing bin (431) in a left-right through way, two ends of the horizontal suspender (432) are hung on the weighing sensor (41) through ropes, the bottom of the weighing bin (431) is also connected with an opening and closing installation frame (433), two rotating shafts (434) are symmetrically arranged at the bottoms of the left side and the right side of the opening and closing installation frame (433), the surface of the rotating shaft (434) is rotatably sleeved with an opening and closing claw (435), the opening and closing claws (435) are respectively arranged on the left and the right, the two opening and closing claws (435) are symmetrically arranged, and the top ends of the left opening and closing claw and the right opening and closing claw are respectively hinged with the two ends of the opening and closing cylinder (436).

4. The electronic quantitative packaging scale of claim 1, wherein: press from both sides bag mechanism (6) including setting up bag clamping frame (61) in frame (1) below, fixed mounting has a lift cylinder (62) on bag clamping frame (61) middle part and the crossbeam, lift cylinder (62) top is connected with lifting slide block (63), lifting slide block (63) front surface level is provided with one and presss from both sides bag horizontal installation frame (64), four corner departments of pressing from both sides bag horizontal installation frame (64) outwards extend and are provided with four hoist and mount holders (65), press from both sides bag horizontal installation frame (64) bottom still is equipped with bag clamping cylinder (67) of two slopes, and the output of every bag clamping cylinder (67) still is connected with bag clamping ring (68) that a level set up.

5. The electronic quantitative packaging scale of claim 2, wherein: the blanking amount adjusting mechanism (35) comprises a transmission cylinder (354) fixedly mounted on the outer side of the side wall of the lower storage bin (34), the output end of the transmission cylinder (354) is hinged with a transmission block (353), the lower end of the transmission block (353) is movably fixed on the side wall of the lower storage bin (34), and an adjusting frame rotating shaft (352) is fixedly connected to the bottom end of the transmission block (353).

6. The electronic quantitative packaging scale of claim 5, wherein: adjusting frame pivot (352) and transmission piece (353) mutually perpendicular to run through the left and right sides wall through feed bin (34) down, and also be mutually perpendicular setting between the left and right sides wall of feed bin (34) down, adjusting frame pivot (352) bottom fixedly connected with unloading volume adjusting frame (351), unloading volume adjusting frame (351) bottom is arc surface structure, is equipped with a convex opening (355) on unloading volume adjusting frame (351) left side frame edge.

7. The electronic quantitative packaging scale of claim 4, wherein: the two sides of the lifting slide block (63) are matched with the slide rails on the two sides of the bag clamping rack (61) and can be connected in a sliding manner.

8. The electronic quantitative packaging scale of claim 4, wherein: and a hoisting clamping cylinder (66) is also arranged on the hoisting clamping piece (65).

9. The electronic quantitative packaging scale of claim 1, wherein: conveying mechanism (8) are including installing conveying frame (81) under pressing from both sides bag horizontal installation frame (64), conveying frame (81) surface is equipped with conveyer belt (82), conveying motor (83) are still installed to the side of conveying frame (81), the transmission is connected between conveying motor (83) and conveyer belt (82) for transport wrapping bag (69) that the bag packing is good to next station with pressing from both sides.