CN101339070B - Weighing body for double opening door hopper - Google Patents
Weighing body for double opening door hopper Download PDFInfo
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- CN101339070B CN101339070B CN200710024783A CN200710024783A CN101339070B CN 101339070 B CN101339070 B CN 101339070B CN 200710024783 A CN200710024783 A CN 200710024783A CN 200710024783 A CN200710024783 A CN 200710024783A CN 101339070 B CN101339070 B CN 101339070B
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Abstract
The invention discloses a weighing device which is used in a double-door hopper and which comprises a driving system and a weighing system. The driving system comprises a left driving cam and a right driving cam which are arranged on two sides of a motor. Respectively through the linkage mechanism consisting of a left pull rod, a right pull rod, a left connecting rod, a right connecting rod, a left swing link, a right swing link, a left deflector rod and a right deflector rod, the left driving cam and the right driving cam drive the left deflector rod and the right deflector rod to swing and drive the hopper to open or close.. The weighing system comprises a weighing sensor; one end of the sensor is fixed on a machine foundation, and the active end is connected with a connecting frame so that the driving system can be arranged on the connecting frame. The driving system is integrated with the weighing system to form one body. In the proposal which integrates the driving system with the weighing system, the spring on the weighing hopper is built in the driving system. The combination of the driving system and the weighing system of the weighing hopper overcomes the defects of time consumption and poor accuracy when the weighing system is stabilized, and achieves the technical effects of simplifying the structure, reducing the space for installation, simplifying the control, decreasing the tare, and improving the weighing accuracy.
Description
Technical field
The present invention relates to a kind of weighing scale device, especially be particularly related to a kind of Weighing body that is used for double opening door hopper.
Background technology
Combination balance is used widely in automatic packaging system, and three row's bucket combination balances are adopted in a large number owing to its advantage.In three row's bucket combination balances, the centre is a weighing bucket, is aggregate bin above, be the memory bucket below, material distributes through aggregate bin, weighing in weighing bucket, material in the weighing bucket can directly discharge and packaging operation, also can be discharged into the combination discharging that participates in next time in the memory bucket.In three row bucket combination balance systems, weighing bucket uses double opening door hopper, and so-called double door bucket refers to that mainly two doors are arranged at the bottom of a storage container, can independently control wherein any one ON/OFF individually according to action need.The ON/OFF of weighing bucket sluice gate is by driving mechanisms control and finish.
In the weighing system of combination balance, LOAD CELLS mainly adopts resistance strain weighing transducer, and sensor one end is fixed during installation, an end activity, movable end installation load.The working sensor principle is: elastic body (flexible member, sensitive beam) produces elastic deformation under external force, make and stick on its lip-deep resistance strain gage (conversion element) also in company with producing distortion, after the resistance strain gage distortion, its resistance will change (increase or reduce), through corresponding metering circuit this resistance variations is converted to electric signal (voltage or electric current) again, thereby has finished the process that external force is transformed to electric signal.LOAD CELLS is installed generally has end face to install and two kinds of forms of last bottom surface installation.
At present, in the Weighing body of double opening door hopper, weighing system and weighing bucket drive system are separate design, and promptly the weighing bucket drive system is not mounted on the weighing system.This design generally can only be used for the spring bucket, promptly has spring on the weighing bucket, and the return of sluice gate is to finish by weighing bucket self, and the weighing bucket drive system can be independent of weighing system design in the case.Under application scenarios such as packaged food or medicine, the external springs on the hopper is brought the pollution of packing materials easily, and even more serious is, spring easy fracture or come off may cause the consequence that is difficult to expect.Therefore, in these application scenarios, the no spring hopper of a large amount of uses, if weighing system and weighing bucket drive system separate design, the action of closing the door that weighing bucket carries out under drive systems can give to weigh to cause to have a strong impact on, Weighing system is stablized length consuming time, and efficient is low, low precision.
Linkage assembly or cam mechanism are generally adopted in the driving of double door bucket, stretching out a little of power generally also is connected with weighing system, but because the restraining factors of sensor, generally driving mechanism is arranged on the below of sensor, cause structure comparatively complicated, bring difficulty and increase manufacturing cost for processing and making; The tare weight of weighing system is bigger, and the range setting of sensor is also bigger, influences weighing precision.
The invention provides a kind of Weighing body that is used for double opening door hopper that drive system and weighing system are carried out global design.
Summary of the invention
The Weighing body that is used for double opening door hopper of the present invention unites two into one drive system and weighing system and carries out global design, and the spring on the weighing bucket is built in the drive system; And the drive system and the weighing system of weighing bucket combined, can overcome the defective that weighing system is stablized length consuming time, low precision, reach simplified structure, dwindle installing space, simplify control, reduce tare weight, improve the technique effect of weighing precision.
In brief, the Weighing body that is used for double opening door hopper of the present invention comprises drive system and weighing system, drive system comprises the left and right driving cam that is installed in the motor both sides, by left and right linkage assembly, drive left and right driving lever and swing respectively, drive the sluice gate ON/OFF; Weighing system comprises LOAD CELLS, and an end of sensor is fixed on the support, and movable end links to each other with link, and drive system is installed on the link, and drive system and weighing system unite two into one.
The technical solution adopted in the present invention is as follows:
A kind of Weighing body that is used for double opening door hopper comprises drive system and weighing system, it is characterized in that:
Drive system comprises support, and motor is installed on the support; The left and right driving cam is installed in the both sides of motor respectively; Left and right driving lever can be swung around axle respectively, in its rotating shaft, fix left and right fork respectively, one end of left and right connecting rod is rotationally connected with left and right fork respectively, the other end is rotationally connected with left and right pull lever respectively, the other end of left and right pull lever has rolling bearing respectively, left and right pull lever is installed on the link respectively, and can rotate around mounting points, and left and right torsion spring is installed respectively between left and right pull lever and the link; The rolling bearing of left and right pull lever one end contacts with the left and right driving cam respectively;
Weighing system comprises sensor, one end of sensor is fixed on the fixing rack for sensor, and fixing rack for sensor is fixed on the support, and the other end of sensor is fixedlyed connected with link, the bearing end is installed on the link, and the rotating shaft of left and right driving lever is installed on the bearing end respectively.
In the present invention, on the support of Weighing body opening is arranged, the support body of described link is positioned at the opening on the support, left and right two holes are arranged on the support body, left and right connecting rod passes through from the hole respectively, there is joint pin support body both sides at link, and the joint pin of a side is used for fixing left and right pull lever, and the joint pin of opposite side is used to install the bearing end.
Weighing body of the present invention, its principle of work is as follows:
With regard to drive system, drive motor rotates, and drives right driving cam and rotates, and right driving cam promotes rolling bearing, rolling bearing drives the motion that swings of right pull lever, right pull lever pulling right connecting rod, right connecting rod spurs right fork, and right fork spurs right driving lever, so right pull bar swing, right driving lever is done oscillating motion thereupon, and right driving lever promotes the gear train that opens the door of the right sluice gate of weighing bucket, opens right sluice gate.After right driving cam turns to certain angle, the motor counter-rotating, drive left driving cam and promote the rolling bearing motion, rolling bearing drives the motion that swings of left pull lever, and left pull lever spurs left connecting rod, left side connecting rod spurs left fork, left side fork spurs left driving lever, left lever swing like this, and left driving lever is done oscillating motion thereupon, left side driving lever promotes the gear train that opens the door of weighing bucket left side sluice gate, opens left sluice gate.After left side driving cam turned to certain angle, the motor counter-rotating drove right driving cam motion, motion and so forth.After cam power disappeared, the return of driving lever relied on the power of left and right torsion spring to make revert action.
With regard to weighing system, an end of sensor is fixed on the support by fixing rack for sensor, and the other end is a movable end, connects load bearing component.Among the present invention, drive system one end is fixed on the link, and the other end is fixed on the bearing end, and link is connected with the movable end of sensor, and so drive system and weighing system unite two into one, and have accomplished the combination of weighing system and drive system.Weighing bucket is installed on the bearing end, and the weight of material wherein promptly can be measured by sensor.
In the present invention, for making left and right pull lever stationkeeping, link is provided with left and right caging bolt, limits the scope of left and right pull lever swing, just can control the position of left and right driving lever swing; Rotation friction and raising wearing coefficient for reducing left and right pull lever are equipped with flange bearing on pull lever.
Among the present invention, for the inner structure of Weighing body hopper outside with it isolated, prevent pollution and the corrosion of material to Weighing body, the bearing end covers the parts in the support outside, has only left and right driving lever to be positioned at the outside, bearing end by the rotating shaft that is installed on the bearing end.Design has the installation seam between bearing end and the link, and sealing gasket is installed on seam, and sealing gasket is pressed on the support, plays the effect of sealing.
In the present invention, for preventing the overload of sensor, in the both sides up and down of sensor the protection bolt is installed, the protection bolt is adjustable, at the sensor of different ranges, can corresponding adjustment gap between itself and the sensor, play the effect of sensor overload protection.
According to the Weighing body that is used for double opening door hopper of the present invention, drive system and weighing system united two into one carry out global design, the spring on the weighing bucket is built in the drive system; And the drive system and the weighing system of weighing bucket combined, can overcome the defective that weighing system is stablized length consuming time, low precision, reach simplified structure, dwindle installing space, simplify control, reduce tare weight, improve the technique effect of weighing precision.
Below in conjunction with accompanying drawing, describe the present invention.
Description of drawings
The structural representation of Fig. 1 weighing bucket of the present invention
The stereographic map of Fig. 2 weighing bucket of the present invention (1)
The stereographic map of Fig. 3 weighing bucket of the present invention (2)
Fig. 4 weighing bucket weighing system of the present invention structural representation
Embodiment
A kind of Weighing body that is used for double opening door hopper comprises drive system and weighing system.
Referring to Fig. 1, Fig. 2 and Fig. 3, the drive system of Weighing body comprises support 1, and motor 6 is installed on the motor cabinet 5, and motor cabinet 5 is fixed on the support 1; Left and right driving cam 19,7 is installed in the both sides of motor 6 respectively; Left and right driving lever 3,4 can be swung around axle respectively, in its rotating shaft, fix left and right fork 20,2 respectively, one end of left and right connecting rod 18,13 is rotationally connected with left and right fork 20,2 respectively, the other end is rotationally connected with left and right pull lever 15,12 respectively, the other end of pull lever 15,12 has rolling bearing 8 respectively, and rolling bearing 8 contacts with left and right driving cam 19,7 respectively; On the left and right pull lever 15,12 flange bearing 9 is housed respectively and is installed on the link 10, and can rotate, left and right torsion spring 17,14 is installed respectively between left and right pull lever 15,12 and the link 10 around mounting points; For making left and right pull lever 15,12 stationkeeping, link 10 is provided with left and right caging bolt 16,11.
On the support 1 circular open is arranged, described link 10 has a circular support body, and left and right two holes are arranged on the support body, support body is positioned at the opening on the support 1, left and right connecting rod 18,13 passes through from the hole respectively, in the outside of link 10 support bodys one joint pin is arranged, and is used to install bearing end 21; In the inboard of link 10 support bodys, two joint pins are arranged, be respectively applied for fixing left pull lever 15, left limit bolt 16 and right pull lever 12, right limit bolt 11.
Referring to Fig. 1 and Fig. 4, weighing system comprises sensor 23, one end of sensor 23 is fixed on the fixing rack for sensor 22, fixing rack for sensor 22 is fixed on the support 1, sensor 23 other ends are fixed on the support body of link 10, bearing end 21 is installed on the joint pin in link 10 outsides, and the rotating shaft of left and right driving lever 3,4 is installed in respectively on the bearing end 21.Bearing end 21 covers the parts in support 1 outside, has only left and right driving lever to be positioned at 21 outsides, bearing end by the rotating shaft that is installed on the bearing end 21.Design has the installation seam between bearing end 21 and the link 10, and the inner ring of sealing gasket 25 is installed on seam, and sealing gasket 25 outer rings are pressed on the support 1 with pressing plate 24.In the both sides up and down of sensor 23, on support 1, be separately installed with protection bolt 26, protection bolt 26 is adjustable, at the sensor 23 of different ranges, can corresponding adjustment gap between itself and the sensor 23.
Weighing bucket is suspended on the bearing end 21 by hook, and left and right driving lever 3,4 joins with the gear train that opens the door of the left and right sluice gate of weighing bucket respectively, can realize purpose of the present invention.
Claims (5)
1. a Weighing body that is used for double opening door hopper comprises drive system and weighing system, it is characterized in that: drive system comprises support (1), and motor (6) is installed on the support (1); Left and right driving cam (19,7) is installed in the both sides of motor (6) respectively; A left side, right driving lever (3,4) can distinguish swing around the shaft, a fixing respectively left side in its rotating shaft, right fork (20,2), a left side, right connecting rod (18,13) a end respectively and a left side, right fork (20,2) be rotationally connected, the other end respectively and a left side, right pull lever (15,12) be rotationally connected, a left side, right pull lever (15,12) the other end has rolling bearing (8) respectively, a left side, right pull lever (15,12) be installed in respectively on the link (10), and can rotate a left side around mounting points, right pull lever (15,12) and between the link (10) installation is left respectively, right torsion spring (17,14); The rolling bearing (8) of left and right pull lever (15, a 12) end contacts with left and right driving cam (19,7) respectively;
Weighing system comprises sensor (23), one end of sensor (23) is fixed on the fixing rack for sensor (22), fixing rack for sensor (22) is fixed on the support (1), sensor (23) other end is fixedlyed connected with link (10), link (10) is gone up bearing end (21) is installed, and the rotating shaft of left and right driving lever (3,4) is installed in respectively on the bearing end (21); Support has opening on (1), the support body of described link (10) is positioned at the opening on the support (1), left and right two holes are arranged on the support body, left and right connecting rod (18,13) passes through from the hole respectively, there is joint pin support body both sides at link (10), fix left and right pull lever (15,12) on the joint pin of one side, bearing end (21) is installed on the joint pin of opposite side.
2. Weighing body according to claim 1 is characterized in that: the left and right caging bolt (16,11) that left and right pull lever (15,12) are set on link (10).
3. Weighing body according to claim 1 is characterized in that: described bearing end (21) cover the parts in support (1) outside, and left and right driving lever (3,4) is positioned at outside, bearing end (21); Design has the installation seam between bearing end (21) and the link (10), and sealing gasket (25) is installed on seam.
4. Weighing body according to claim 1 is characterized in that: protection bolt (26) is installed in the both sides up and down of described sensor (23).
5. Weighing body according to claim 4 is characterized in that: described protection bolt (26), in the both sides up and down of sensor (23), be installed in respectively on the support (1), and the distance between protection bolt (26) and the sensor (23) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710024783A CN101339070B (en) | 2007-07-03 | 2007-07-03 | Weighing body for double opening door hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710024783A CN101339070B (en) | 2007-07-03 | 2007-07-03 | Weighing body for double opening door hopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339070A CN101339070A (en) | 2009-01-07 |
| CN101339070B true CN101339070B (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710024783A Expired - Fee Related CN101339070B (en) | 2007-07-03 | 2007-07-03 | Weighing body for double opening door hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101339070B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405938A (en) * | 2018-12-24 | 2019-03-01 | 哈尔滨联科包装机械有限公司 | Separate type weighing hopper shedding mechanism and discharge method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364445Y (en) * | 1999-04-05 | 2000-02-16 | 梅特勒－托利多常州衡器有限公司 | Automatic feed and discharge structure of weigher for packaging |
| CN1432797A (en) * | 2001-12-13 | 2003-07-30 | 株式会社石田 | Combined weigher |
| CN2607322Y (en) * | 2003-04-08 | 2004-03-24 | 武汉人天包装机械有限公司 | Industrial automatic packing machine |
-
2007
- 2007-07-03 CN CN200710024783A patent/CN101339070B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364445Y (en) * | 1999-04-05 | 2000-02-16 | 梅特勒－托利多常州衡器有限公司 | Automatic feed and discharge structure of weigher for packaging |
| CN1432797A (en) * | 2001-12-13 | 2003-07-30 | 株式会社石田 | Combined weigher |
| CN2607322Y (en) * | 2003-04-08 | 2004-03-24 | 武汉人天包装机械有限公司 | Industrial automatic packing machine |
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| Publication number | Publication date |
|---|---|
| CN101339070A (en) | 2009-01-07 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: DANYANG JINYI COATING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: WUXI ZHUOZHI MACHINE CO., LTD. Effective date: 20090515 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090515 Address after: Jiangsu province Danyang Economic Development Zone Overseas Student Pioneer Park postal code: 212300 Applicant after: Danyang Jinyi Packing Equipment Co., Ltd. Address before: Wuxi City, Jiangsu province Cunxi Mei Xian Lu No. 108 No. 11 post encoding: 214112 Applicant before: Wuxi Zhuozhi Machinery Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU JOYEA PACKAGING TECHNOLOGY CO., LTD. Free format text: FORMER NAME: DANYANG JINYI PACKING EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 212300 Overseas Students Pioneer Park, Danyang Economic Development Zone, Jiangsu Patentee after: Jiangsu Joyea Packing Technology Co., Ltd. Address before: 212300 Overseas Students Pioneer Park, Danyang Economic Development Zone, Jiangsu Patentee before: Danyang Jinyi Packing Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20140703 |
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| EXPY | Termination of patent right or utility model |