CN212396462U - Antiseized type tin cream mixer structure that glues - Google Patents
Antiseized type tin cream mixer structure that glues Download PDFInfo
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- CN212396462U CN212396462U CN202020450669.1U CN202020450669U CN212396462U CN 212396462 U CN212396462 U CN 212396462U CN 202020450669 U CN202020450669 U CN 202020450669U CN 212396462 U CN212396462 U CN 212396462U
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- rotary drum
- motor
- stirring shaft
- driving block
- solder paste
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Abstract
The utility model discloses an anti-sticking type tin paste stirrer structure, which comprises a frame, wherein the upper end of the frame is provided with an installation part, the upper end of the frame is provided with a driving block, one end of the driving block is provided with a first motor, the other end of the driving block is rotatably provided with a rotary drum in the vertical direction, the first motor is connected with the rotary drum through a transmission belt positioned in the driving block, the rotary drum is coaxially and slidably provided with a stirring shaft, the inner wall of the rotary drum is provided with a chute, the stirring shaft is provided with a rotation stopping key which slides up and down along the chute, the upper end of the stirring shaft passes through the rotary drum and is in threaded connection with a driven gear, the upper end of the rotary drum is provided with a second motor, the second motor is connected with a driving gear meshed with the driven gear, the lower end of the stirring shaft comprises stirring blades, a flat box is arranged below the rotary, and filtering the solder paste on the surface of the stirred solder paste by a filter tank.
Description
Technical Field
The utility model relates to a surface mounting technical field, more specifically say, it relates to an antiseized type tin cream mixer structure that glues.
Background
With the coming of the 5G era, the 5G combined Internet of things, VR/AR, mobile phones, smart cars and wearable devices are greatly changed, and under the market development trend, the communication field and smart phones are confronted with new opportunities and development spaces, and with the increasing miniaturization and high precision of electronic products, the miniaturization of pad size and spacing can significantly increase the tin feeding and welding difficulty of solder paste, and the difficulty of SMT (surface mount technology) assembly can be greatly improved. How to improve the quality and the reliability of welding spots puts new requirements on the application performance of the solder paste.
Among the present tin cream preparation method that adopts, the most commonly used is just mixing stirring for promote tin cream granule dispersity to promote the whole quality of tin cream, the agitating unit that prior art adopted is after the stirring, still glues on the stirring leaf and has a lot of tin cream, need manually adopt the link plate with it scrape into the agitator in, this kind of mode has following shortcoming: 1. the tin paste adhered to the stirring blade is not scraped in time, is exposed in the air for too long time, is easy to deteriorate, is mixed in the stirring barrel to cause uneven raw materials, and cannot meet the requirements of 5G communication equipment on high precision and high stability of the tin paste; 2. the efficiency of manually scraping the solder paste on the stirring blade is low, and the manual scraping device needs a worker to be specially responsible for time and cost; 3. the low removal rate results in waste of raw materials.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an antiseized type tin cream mixer structure that glues, it has the function of scraping the tin cream on the stirring leaf automatically.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an antiseized type tin cream mixer structure that glues, includes the frame, its characterized in that: the improved tin paste stirrer is characterized in that a driving block is arranged at the upper end of the machine base, a first motor is arranged at one end of the driving block, a rotary drum in the vertical direction is arranged at the other end of the driving block in a rotating mode, the first motor is connected with the rotary drum through a transmission belt located in the driving block, a stirring shaft is arranged on the rotary drum in a coaxial sliding mode, a sliding groove is formed in the inner wall of the rotary drum, a rotation stopping key which slides up and down along the sliding groove is arranged on the stirring shaft, the upper end of the stirring shaft penetrates through the rotary drum and is connected with a driven gear in a threaded mode, a second motor is arranged at the upper end of the rotary drum, the second motor is connected with a driving gear meshed with the driven gear, the lower end of the stirring shaft comprises a stirring blade, a flat.
Preferably, the stirring blade is U-shaped.
Preferably, two elastic scraping blades which are obliquely downward and close to each other are arranged at the bottom of the rotary drum on two sides of the filter tank along the length direction of the rotary drum.
Preferably, the outer side surface of the elastic doctor blade is provided with an anti-sticking coating.
Preferably, the upper end of the drum is provided with a dust cover for covering the driving gear and the driven gear.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the first motor drives the rotary drum to rotate, so that the stirring shaft coaxially rotates to stir; after the stirring is accomplished, make the (mixing) shaft rotate through second motor drive, under spout and spline restriction, the (mixing) shaft shifts up along vertical direction, and the in-process of flat stirring leaf entering flat box will stir also surperficial tin cream through the filter-tank and filters, makes in the tin cream falls back to below agitator, can not lead to the tin cream on the stirring leaf to expose in the air for a long time and appear rotten, satisfies high-accuracy, high performance's tin cream characteristic requirement.
2. The two scraping pieces are arranged on the two sides of the filter tank, so that the scraping pieces can be attached to the surfaces of the stirring blades through elasticity, the removal rate is increased, the cross section of each stirring blade is in a fusiform shape, solder paste cannot be accumulated on the stirring blades due to the fusiform structure, the filtering dead angle cannot occur, and raw material waste is prevented;
3. the anti-sticking coating arranged on the outer side surface of the elastic scraping piece can enable the solder paste to slide down quickly, and secondary adhesion cannot be caused.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure: 1. a machine base; 2. a drive block; 21. a first motor; 22. a second motor; 221. a driving gear; 3. a rotating drum; 31. a stirring shaft; 311. a rotation stop key; 312. a driven gear; 313. Stirring blades; 32. a chute; 33. a flat box; 331. a filter tank; 332. an elastic wiper blade; 3321. an anti-sticking coating; 34. a dust cover.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides an antiseized type tin cream mixer structure, refers to fig. 1, and it includes frame 1, and frame 1 upper end is provided with drive block 2, and wherein one end is provided with first motor 21 on the drive block 2, and the 2 other ends of drive block are provided with rotary drum 3 in vertical direction through the bearing rotation, and the rotor of first motor 21 is connected through the drive belt that is located drive block 2 with rotary drum 3.
The revolving drum 3 is provided with a stirring shaft 31 in a coaxial sliding manner, the inner wall of the revolving drum 3 is provided with a sliding chute 32, and the stirring shaft 31 is provided with a rotation stopping key 311 which slides up and down along the sliding chute 32, so that relative rotation can be prevented on one hand, and the sliding range can be limited on the other hand. The upper end of the stirring shaft 31 penetrates through the rotary drum 3 and is connected with a driven gear 312 in a threaded manner, the upper end of the rotary drum 3 is provided with a second motor 22, the second motor 22 is connected with a driving gear 221 meshed with the driven gear 312, and the upper end of the rotary drum 3 is provided with a dust cover 34 covering the driving gear 221 and the driven gear 312. The driven gear 312 is driven to rotate by the second motor 22, so that the stirring shaft 31 can be driven to slide up and down under the rotation stopping effect of the rotation stopping key 311.
The lower end of the stirring shaft 31 comprises a stirring blade 313, a flat box 33 is arranged below the rotary drum 3, and a filter tank 331 for stripping tin paste on the stirring blade 313 is arranged at the lower end of the flat box 33 when the stirring blade 313 enters the flat box 33, so that the tin paste separation work is automatically completed, and manual operation is omitted. The stirring blade 313 is U-shaped, and the stirring blade 313 with the U-shaped design is simple in structure and convenient for separating solder paste.
Two inclined downward elastic scraping blades 332 which are close to each other are arranged at the bottom of the rotary drum 3 on two sides of the filter tank 331 along the length direction of the rotary drum, so that the scraping blades can be attached to the surface of the stirring blade 313 through elasticity, and the removal rate is increased.
The outer side surface of the elastic scraping piece 332 is provided with an anti-sticking coating 3321, the anti-sticking coating 3321 is a Teflon coating or a polypropylene coating, and the anti-sticking coating 3321 can enable solder paste to slide down quickly, so that secondary sticking cannot be caused.
The working principle is as follows:
the first motor 21 drives the rotary drum 3 to rotate, so that the stirring shaft 31 coaxially rotates to carry out conventional stirring work; after the stirring is completed, the stirring shaft 31 is driven to rotate by the second motor 22, the stirring shaft 31 moves upwards along the vertical direction under the limitation of the chute 32 and the rotation stop key 311, the flat stirring blade 313 enters the flat box 33, and the solder paste on the surface of the stirring shaft is filtered by the scraping blades on two sides of the filter tank 331, so that the solder paste falls back into the stirring barrel below, and the solder paste on the stirring blade 313 cannot be exposed in the air for too long time to deteriorate.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an antiseized type tin cream mixer structure that glues, includes the frame, its characterized in that: the improved tin paste stirrer is characterized in that a driving block is arranged at the upper end of the machine base, a first motor is arranged at one end of the driving block, a rotary drum in the vertical direction is arranged at the other end of the driving block in a rotating mode, the first motor is connected with the rotary drum through a transmission belt located in the driving block, a stirring shaft is arranged on the rotary drum in a coaxial sliding mode, a sliding groove is formed in the inner wall of the rotary drum, a rotation stopping key which slides up and down along the sliding groove is arranged on the stirring shaft, the upper end of the stirring shaft penetrates through the rotary drum and is connected with a driven gear in a threaded mode, a second motor is arranged at the upper end of the rotary drum, the second motor is connected with a driving gear meshed with the driven gear, the lower end of the stirring shaft comprises a stirring blade, a flat.
2. The anti-sticking solder paste mixer structure of claim 1, wherein: the stirring blade is U-shaped.
3. The anti-sticking solder paste mixer structure of claim 2, wherein: two inclined downward elastic scraping blades which are close to each other are arranged at the bottom of the rotary drum on two sides of the filter tank along the length direction of the filter tank.
4. The anti-sticking solder paste mixer structure of claim 3, wherein: and an anti-sticking coating is arranged on the outer side surface of the elastic scraping piece.
5. The anti-sticking solder paste mixer structure of claim 1, wherein: and the upper end of the rotary drum is provided with a dust cover for covering the driving gear and the driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450669.1U CN212396462U (en) | 2020-03-31 | 2020-03-31 | Antiseized type tin cream mixer structure that glues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450669.1U CN212396462U (en) | 2020-03-31 | 2020-03-31 | Antiseized type tin cream mixer structure that glues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212396462U true CN212396462U (en) | 2021-01-26 |
Family
ID=74377812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020450669.1U Active CN212396462U (en) | 2020-03-31 | 2020-03-31 | Antiseized type tin cream mixer structure that glues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212396462U (en) |
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2020
- 2020-03-31 CN CN202020450669.1U patent/CN212396462U/en active Active
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