CN208166001U - A kind of automatic and accurate feed device - Google Patents
A kind of automatic and accurate feed device Download PDFInfo
- Publication number
- CN208166001U CN208166001U CN201820482533.1U CN201820482533U CN208166001U CN 208166001 U CN208166001 U CN 208166001U CN 201820482533 U CN201820482533 U CN 201820482533U CN 208166001 U CN208166001 U CN 208166001U
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- piston rod
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- adjusting
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- 230000003028 elevating effect Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 8
- 239000000843 powder Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of automatic and accurate feed devices, by setting first motor, the second motor, adjust component conjunction scoop component, it is driven by first motor and adjusts component up and down motion, second motor driven scoop component rotary motion, feed device weighing precision provided by the utility model is enabled to require that the fields such as laboratory, fine chemistry industry, military product can be widely used in ± 0.01g material below；And the utility model has the function of automatic quick, accurate conveying powder；The non-cutting time of reduction personnel and equipment during weighing, and the phenomenon that testing crew fatigue is be easy to cause during weighing is avoided, reduce artificial incorrect operation.
Description
Technical field
The utility model relates to a kind of powder weighing device, in particular to a kind of accurate feeding device.
Background technique
In automatic weighing weight calculation using upper, such as the industries such as mining machinery, cement, food processing, generally use belt
Claim to carry out Weighing, weighs rank substantially in 1.0kg or more, or even in terms of ton, precision is substantially in one thousandth or so.
And in fields such as laboratory, fine chemistry industry, military products, weight is weighed within the scope of 1~30g to powder common demands, precision
Most requirement ± 0.01g is hereinafter, most of error range requires within 0.01%~0.3%.In this rank using upper,
In the market without proportioning device is automatically weighed, presently relevant industry generallys use electronic balance manual weighing's mode, this side
Formula depends entirely on the working condition of operator to guarantee quality, and efficiency is extremely low, needs to consume a large amount of human cost.
Utility model content
To solve the above problems, first motor, the second motor, scoop component and adjusting component is arranged in the utility model, lead to
It crosses first motor driving and adjusts component up and down motion, the second motor driven scoop component rotary motion, so that the utility model institute
The feed device of offer has the function of automatic quick, accurate conveying powder, reduces personnel and equipment is auxiliary during weighing
It helps the time, and avoids the phenomenon for be easy to causeing testing crew fatigue during weighing, reduce artificial incorrect operation, it is specific practical new
Type content is as follows：
A kind of automatic and accurate feed device, including first motor, the second motor, scoop component and adjusting component；The material
Spoon component includes elevating lever, bowl, piston component, first gear, sheath body；The bowl includes neck and shoulder, the neck
It include the first center cavity, the shoulder includes cavity；The elevating lever pass through first center cavity and with the work
Plug assembly is fixedly connected；The first gear is fixedly connected on the upper end of the bowl neck；The top of the elevating lever and institute
It states and adjusts component flexible connection；The bowl is fixedly connected with the sheath body；The first motor is for driving the adjusting group
Part moves up and down；Second motor is for driving the scoop component rotary motion.
Preferably, the adjusting component includes adjusting rod, attaching nut, second gear, adjusting nut, the second gear
It is fixedly connected on the upper end of the adjusting rod；The end of the attaching nut is flexibly connected with the elevating lever；The adjusting rod
It can the relatively described adjusting nut up and down motion.First motor drives second gear rotation, so that adjusting rod energy relative adjustment
Nut moves up and down, and can change the promotion speed of adjusting rod by adjusting the revolving speed of motor, by the rotation side for changing motor
Always change and adjust rising or falling for component.
Preferably, the adjusting component further includes bearing group and bearing block, and the bearing group is contained in the bearing block；
The bearing block is fixedly connected with the adjusting rod；The bearing group includes two bearings, upper bearing (metal) and lower bearing, the upper axis
Hold one positioning chamber of formation between lower bearing.Be arranged bearing group for reduces adjusting component up and down motion process vibration,
So that the up and down motion for adjusting component is more stable.
Preferably, a step structure is provided on the attaching nut, the step structure is contained in the positioning chamber
It is interior, so that attaching nut's relative adjustment bar is fixed.
Preferably, the scoop component further includes bearing group and bearing block, and the bearing group is contained in the bearing block；
The rotation of second motor driven first gear, the vibration that the purpose is to reduce bowls in rotary course of bearing block setting, so that holding
The rotary motion of cup is more stable.
Preferably, the bearing group includes at least one bearing.
Preferably, the piston component includes piston rod and piston rod connecting plate；The piston rod and the piston rod
Connecting plate is fixedly connected；The piston rod connecting plate is fixedly connected with the elevating lever.It is adjusted on component when first motor drives
When lower movement, which can move up and down in cavity.
Preferably, the piston component further includes piston rod positioning plate, and the piston rod positioning plate and the piston rod are solid
Fixed connection.The piston rod positioning plate plays the role of a stop bit, when first motor drives adjusting component to move upward to limit position
When setting, the upper surface of the piston rod positioning plate is resisted against on the lower end surface of bowl, prevents from adjusting component and continuing up causing
The upper surface of piston rod be higher by the upper surface of sheath body, which can be separately formed, can also be with piston rod one
It is body formed.
Preferably, the bowl and the sheath body are interference fit.
Preferably, the vertical range between piston rod positioning plate upper surface and the connection shaft lower end surface is equal to institute
The vertical range between piston rod upper surface and the sheath body upper surface is stated, so that when first motor drives adjusting component to transport upwards
When dynamic, the upper surface of piston rod can just be parallel with the upper surface of sheath body.
The utility model closes scoop component by setting first motor, the second motor, adjusting component, is driven by first motor
The dynamic component that adjusts moves up and down, the second motor driven scoop component rotary motion, so that feeding provided by the utility model fills
Set can weighing precision requirement in ± 0.01g material below, laboratory, fine chemistry industry, military product can be widely used in
Equal fields；And the utility model has the function of automatic quick, accurate conveying powder；Reduction personnel and equipment are in the process of weighing
In non-cutting time, and avoid the phenomenon for be easy to causeing testing crew fatigue during weighing, reduce artificial incorrect operation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art does simple introduction, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the utility model automatic and accurate feed device sectional view；
Fig. 2 is the utility model automatic and accurate feeder structure figure；
Fig. 3 is the utility model scoop component sectional view；
Fig. 4 is the utility model scoop assembly assumption diagram；
Fig. 5 is that the utility model adjusts component sectional view；
Fig. 6 is that the utility model adjusts assembly assumption diagram.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.Direction indicated by the "lower" of "upper" is using the direction of attached drawing as reference in the utility model.
Embodiment one：
As depicted in figs. 1 and 2, a kind of automatic and accurate feed device, including first motor 1, the second motor 2, adjusting component 3
With scoop component 4；The sectional view of scoop component 4 as shown in figure 3, the structure chart of scoop component 4 as shown in figure 5, scoop component packet
Include sheath body 5, piston component, bowl 10, elevating lever 11, connection shaft 25, bearing block 12, bearing group 13, bearing gland 15, first
Gear 16 and first gear gland 17；Wherein, piston component includes piston rod 8, piston rod connecting plate 6, piston rod positioning plate
7, bowl 10 includes neck 28 and shoulder 29, and neck 28 includes the first center cavity 30, and elevating lever 11 passes through the first center cavity 30,
Shoulder 29 includes cavity 9, and the cavity is for accommodating the material being weighed.
Piston component is fixedly connected on the end of elevating lever 11, and so-called end refers to direction as illustrated, close to lifting
Position near the lower end surface of bar 11 is the end of elevating lever 11, and piston rod connecting plate 6 is fixedly connected with elevating lever 11, fixed to connect
The mode of connecing can be to snap connection or other are fixedly connected with mode, and piston rod 8 is fixedly connected with piston rod connecting plate 6, fixed
Connection type can be fixedly connected with mode to be any, and piston rod positioning plate 7 is fixedly connected with piston rod 8, is fixedly connected with mode
It can be fixedly connected with mode to be any, piston rod positioning plate 7 can also be integrally formed with piston rod 8, and the plunger stem flange bar is fixed
There are certain gap between the lower end surface of the shoulder 29 of the upper surface and bowl 10 of position plate 7, which plays one
A stop bit effect, when elevating lever 11 drives piston rod assembly to move upward to extreme position, the upper end of the piston rod positioning plate 7
Face is resisted against on the lower end surface of shoulder 29 of the bowl 10, prevents piston component from continuing up the upper of caused piston rod 8
End face is higher by the upper surface of sheath body 5, also, between 7 upper surface of piston rod positioning plate and the lower end surface of shoulder 29 for connecting bowl 10
Vertical range be equal to 5 upper surface of 7 upper surface of piston rod and sheath body between vertical range so that when elevating lever 11 with piston
When component moves upwards, the upper surface of piston rod 8 can just be parallel with the upper surface of sheath body 5.
Resistance is too big during piston component moves downward in cavity 9 in order to prevent, edge and liter on elevating lever 11
The direction that the axis of drop bar 11 is vertical offers an aperture, while offering a through-hole at the center of piston rod connecting plate 6,
And the bottom opposite side portion of sheath body 5 is downwardly projecting, forms a cavity body structure, the cavity body structure be conducive to when piston component to
When lower movement, the resistance that piston component moves downward is reduced, the downwardly projecting shape in the bottom of sheath body 5 can be any shape,
In the present embodiment, the downwardly projecting shape of sheath body 5 is taper.
Because piston component moves up and down in sheath body 5, it is coated on the side wall that piston component is contacted with sheath body 5
Lubricating oil reduces the resistance that piston component moves in sheath body 5.The shoulder 29 of bowl 10 is fixedly connected with sheath body, the company of fixation
The mode of connecing can be a variety of, it is preferred that the shoulder 29 Yu sheath body of bowl 10 are interference fit in the present invention.
The upper end of the neck 28 of bowl 10 is provided with first gear 16, the upper end of the neck 2 of so-called bowl 10 refer to by
According to diagram direction, near the upper end of the neck 28 of bowl 10, first gear 16 is fixedly connected with the neck 28 of bowl 10,
The top of first gear 16 is provided with gear gland 17, gear gland 17 is for protecting first gear 16.In first gear 16
Lower section be provided with bearing group 13 and bearing block 12, bearing group 13 is contained in bearing block 12, the second motor driven first gear
16 rotations, the vibration the purpose is to reduce bowl 10 in rotary course that bearing group 13 is arranged make the rotary motion of bowl 10 more
Steadily.Bearing group 13, which includes at least, a bearing, and in the present embodiment, bearing group 13 includes that there are two bearings.
The sectional view and the structure chart as shown in FIG. 6 for adjusting component of adjusting component as shown in Figure 5, adjust component packet
Adjusting rod 22, attaching nut 18, second gear 21, adjusting nut 25 are included, second gear 21 is fixedly connected on the upper of adjusting rod 22
End；The end of the attaching nut 18 is flexibly connected with elevating lever 11；Adjusting rod 22 can 25 up and down motion of relative adjustment nut.It adjusts
Saving component further includes bearing group 20 and bearing block 19, and bearing group 20 is contained in the bearing block 19；Bearing block 19 and adjusting rod
22 are fixedly connected；Bearing group 20 includes two bearings, upper bearing (metal) and lower bearing, and one is formed between the upper bearing (metal) and lower bearing
Positioning chamber 24.Bearing group 20 is set and adjusts component in the vibration of up and down motion process for reducing, so that adjusting the upper and lower of component
It moves more stable.A step structure 23 is provided on attaching nut 18, the step structure 23 is contained in the positioning chamber 24
It is interior, so that the 18 relative adjustment bar 22 of attaching nut is fixed.
First motor 1 includes first motor output shaft, and the second motor 2 includes the second motor output shaft, first motor output
Axis is parallel with first motor output shaft, and first motor output shaft, the second motor output shaft are arranged in parallel with adjusting rod 22,
Third gear is fixedly connected on first motor output shaft, the rotation of first motor output shaft drives the rotation of third gear, third
Gear is engaged with second gear 21, to drive second gear 21 to rotate, so adjusting component 3 can be on relative adjustment nut 27
Lower movement.When adjusting the up and down motion of 3 relative adjustment nut 27 of component, it is able to drive the up and down motion of elevating lever 11, to drive
Piston component moves up and down in cavity 9.When piston component moves downward in cavity 9, the material that will be weighed is placed on
In cavity 9, then change the direction of rotation of first motor 1, move upwards piston component in cavity 9, until having
A part of material is higher than cavity 9, at this point, starting the second motor 2 rotation, 2 rotational energy of the second motor drive first gear rotation, from
And bowl 10, piston component and sheath body 5 is driven to rotate integrally, the material for being higher by cavity 9 is thrown on the meausring apparatus of lower section
It is weighed, the amount and speed that material is thrown away can be changed by changing the revolving speed of motor 1 and motor 2.
Embodiment two：
The present embodiment only describes technical characteristic unlike the embodiments above, remaining technical characteristic is identical.Scoop component 4 is also
Including connecting shaft 25, which includes the second centre bore 31, and the second centre bore 31 and the first centre bore 30 are coaxial,
And it connects shaft 25 to be fixedly connected with the neck 28 of bowl 10, be fixedly connected there are many modes, in the present embodiment, connection
Shaft 25 is fixedly connected with the neck 28 of bowl 10 by screw 26, bearing block 12, first gear 16 respectively with connect shaft
25 are fixedly connected, and the purpose being arranged in this way is for the ease of manufacture, especially to facilitate the molding of bowl 10.
Embodiment three：
The present embodiment only describes technical characteristic unlike the embodiments above, remaining technical characteristic is identical.Scoop component 4
Structure is identical as the structure in embodiment one, adjusts and does not include second gear 21 in component 3, and the output shaft of first motor 1
It is vertical with adjusting rod 22, it is provided with wind spring between first motor 1 and adjusting component 3, one end of wind spring is fixedly connected on first
On the output shaft of motor 1, the other end of wind spring is fixedly connected on adjusting rod 22, when first motor 1 rotates, wind spring is driven to draw
It stretches or shrinks, wind spring stretches or is capable of providing when shrinking torque and adjusting component 3 is maintained to keep stablizing in any height, so needing
Suitable wind spring is chosen according to the total weight for adjusting component 3 and scoop component 4.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, although
It is used some specific terms in this specification, these terms are merely for convenience of description, does not constitute to utility model
Any restrictions.
Claims (10)
1. a kind of automatic and accurate feed device, it is characterised in that：Including first motor, the second motor, scoop component and adjusting group
Part；The scoop component includes elevating lever, bowl, piston component, first gear, sheath body；The bowl includes neck and shoulder,
The neck includes the first center cavity, and the shoulder includes cavity；The elevating lever pass through first center cavity and
It is fixedly connected with the piston component；The first gear is fixedly connected on the upper end of the bowl neck；The elevating lever
Top is flexibly connected with the adjusting component；The bowl is fixedly connected with the sheath body；The first motor is for driving institute
It states and adjusts component up and down motion；Second motor is for driving the scoop component rotary motion.
2. accurate feeding device as described in claim 1, it is characterised in that：The adjusting component includes adjusting rod, connection spiral shell
Mother, second gear, adjusting nut, the second gear are fixedly connected on the upper end of the adjusting rod；The end of the attaching nut
End is flexibly connected with the elevating lever；The adjusting rod can the relatively described adjusting nut up and down motion.
3. accurate feeding device as claimed in claim 2, it is characterised in that：The adjusting component further includes bearing group and bearing
Seat, the bearing group are contained in the bearing block；The bearing block is fixedly connected with the adjusting rod；The bearing group includes
Two bearings, upper bearing (metal) and lower bearing form a positioning chamber between the upper bearing (metal) and lower bearing.
4. accurate feeding device as claimed in claim 3, it is characterised in that：A Step-edge Junction is provided on the attaching nut
Structure, the step structure are contained in the positioning chamber.
5. accurate feeding device as described in claim 1, it is characterised in that：The scoop component further includes bearing group and bearing
Seat, the bearing group are contained in the bearing block.
6. accurate feeding device as claimed in claim 5, it is characterised in that：The bearing group includes at least one bearing.
7. accurate feeding device as described in claim 1, it is characterised in that：The piston component includes piston rod and piston
Bar connecting plate；The piston rod is fixedly connected with the piston rod connecting plate；The piston rod connecting plate and the elevating lever are solid
Fixed connection.
8. accurate feeding device as claimed in claim 7, it is characterised in that：The piston component further includes piston rod positioning
Plate, the piston rod positioning plate are fixedly connected with the piston rod.
9. accurate feeding device as described in claim 1, it is characterised in that：The bowl and the sheath body are interference fit.
10. accurate feeding device as claimed in claim 8, it is characterised in that：Piston rod positioning plate upper surface with it is described
Vertical range between bowl lower end surface is equal to the vertical range between the piston rod upper surface and the sheath body upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820482533.1U CN208166001U (en) | 2018-04-04 | 2018-04-04 | A kind of automatic and accurate feed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820482533.1U CN208166001U (en) | 2018-04-04 | 2018-04-04 | A kind of automatic and accurate feed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208166001U true CN208166001U (en) | 2018-11-30 |
Family
ID=64372160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820482533.1U Expired - Fee Related CN208166001U (en) | 2018-04-04 | 2018-04-04 | A kind of automatic and accurate feed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208166001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217165A (en) * | 2018-04-04 | 2018-06-29 | 广东科达洁能股份有限公司 | A kind of automatic and accurate feed device |
-
2018
- 2018-04-04 CN CN201820482533.1U patent/CN208166001U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217165A (en) * | 2018-04-04 | 2018-06-29 | 广东科达洁能股份有限公司 | A kind of automatic and accurate feed device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |