CN218673884U

CN218673884U - Dustproof cover of solder paste analytical balance

Info

Publication number: CN218673884U
Application number: CN202223174493.XU
Authority: CN
Inventors: 倪健; 陈琴; 张林海
Original assignee: Suzhou Jiubaogu New Material Technology Co ltd
Current assignee: Suzhou Jiubaogu New Material Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-21
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to an analytical balance technical field, and a solder paste analytical balance's dust cover is disclosed, including wind cap and analytical balance, the bottom of wind cap lateral wall articulates there is the sealed side door that is used for dirt-proof, the top of wind cap is rotated and is installed sealed roof, the rear end of sealed roof top surface is rotated and is connected with the pull rod, the center department at wind cap rear end top is fixed with supporting baseplate, supporting baseplate's top is equipped with the regulation seat, the inside of adjusting the seat is equipped with the mechanism of uncapping, the mechanism of uncapping is including seting up the tensile slide rail of locating regulation seat top surface center department, the inside sliding connection of tensile slide rail has the rotation push pedal. This scheme is through addding sealed side door in windshield lateral part bottom, and when analytical balance placed for a long time, vacuum shroud and evacuation pump are connected to the accessible trachea, guarantee thereupon that the inside vacuum seal nature of windshield just continues to carry out the analysis and detection to the quality of tin cream, still can open sealed side door after the detection and clear up the test table of examining of inside.

Description

Dustproof cover of solder paste analytical balance

Technical Field

The application relates to the technical field of analytical balance, in particular to a dustproof cover of a solder paste analytical balance.

Background

Solder paste is a novel soldering material produced along with SMT, and is a paste mixture formed by mixing solder powder, soldering flux, other surfactants, thixotropic agents and the like. The method is mainly used for welding electronic components such as PCB surface resistance, capacitance, IC and the like in the SMT industry. At present, the tin paste generally needs to be subjected to quantitative analysis on raw materials by using an analytical balance in the production process. Analytical balances are the most important instruments for accurate weighing in experiments and can be divided into mechanical and electronic types. The analytical balance has a draft shield or weighing chamber to prevent the solder material sample from being affected by the air flow, detecting small increments, small vibrations or breezes all affect the results, and therefore, in the measurement process, cleanliness in the weighing chamber of the balance is to be guaranteed to reduce interference. At present, a windshield of an analytical balance is generally provided with a slide way on the side wall and a push-pull glass door for placing solder paste for detection. Because a certain sliding space needs to be reserved, dust easily enters the balance base through the gap when the balance is kept still for a long time, and therefore the accuracy of analysis of the solder paste by the analytical balance can be influenced by fine impurities when the analytical balance is used again.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problems, the present application provides a dust cover of a solder paste analytical balance.

The application provides a solder paste analytical balance's dust cover adopts following technical scheme:

a dust cover of a solder paste analytical balance comprises a wind cover and the analytical balance, wherein the wind cover is fixed at the top of the analytical balance, wind-proof glass is arranged inside the wind cover, a magnetic suction buckle is fixed at the front end of the side wall of the wind cover, a sealing top plate is rotatably installed at the top of the wind cover, a pull rod is rotatably connected at the rear end of the top surface of the sealing top plate, a supporting bottom plate is fixed at the center of the top of the rear end of the wind cover, and an adjusting seat is arranged at the top of the supporting bottom plate;

the inside of adjusting the seat is equipped with the mechanism of uncapping, the mechanism of uncapping is including offering the tensile slide rail of locating regulation seat top surface center department, the inside sliding connection of tensile slide rail has the rotation push pedal.

Through adopting above-mentioned technical scheme, the mechanism of uncapping can support sealed roof, is convenient for place the tin cream through the windshield top and carry out the analysis and detection, rotates the push pedal through the pull rod pulling sealed roof and rotates and open through promoting to one side, and simple structure is ingenious, makes things convenient for staff to operate and use.

Preferably, the bottom of windshield lateral wall articulates there is the sealed side door that is used for dirt-proof, sealed side door includes the vacuum cover, the evacuation hole has been seted up to one side of vacuum cover outer wall, the inside sealing connection in evacuation hole has the trachea, the one end that sealed side door is close to magnetism and inhales the buckle is fixed with magnetism and inhales the piece, magnetism is inhaled the piece and is inhaled the buckle magnetism with magnetism and be connected.

Through adopting above-mentioned technical scheme, add sealed side door in windshield lateral part bottom, when analytical balance placed for a long time, vacuum shroud and evacuation pump are connected to the accessible trachea, guarantee the inside vacuum seal nature of windshield thereupon just follow-up quality to the tin cream carries out analysis and detection.

Preferably, the lateral wall symmetry of adjusting the seat is fixed with shock attenuation branch, the inside sliding connection who adjusts the seat has the fly leaf, it has the reset spring who is used for the support to link up between fly leaf and the regulation seat inner wall, the bottom of rotating the push pedal runs through tensile slide rail and extends to and is connected with the limit portion rotation of fly leaf in adjusting the seat.

Through adopting above-mentioned technical scheme, shock attenuation branch has the supporting role to the rear end of sealing roof when sealing roof opens, and shock attenuation branch top is fixed with the block rubber and avoids producing rigid collision, is convenient for place the tin cream in analytical balance inside and carries out the analysis and detection.

Preferably, the top of rotating the push pedal is an organic whole structure and is fixed with the horizontal hook, the top symmetry of adjusting the seat rear end is fixed with and is used for spacing limit baffle, the front end of adjusting the seat has seted up the slip and has led to the chamber, the one end of pull rod extends to the slip and leads to intracavity and fly leaf fixed connection.

Through adopting above-mentioned technical scheme, will rotate the push pedal and remove to tensile slide rail end, will rotate the push pedal again and rotate downwards, accessible limit baffle is spacing to the horizontal hook this moment, can keep rotating the open mode through pull rod pulling sealing top plate.

To sum up, the application comprises the following beneficial technical effects:

according to the detection device, the sealing side door is additionally arranged at the bottom of the side part of the windshield, when the analytical balance is placed for a long time, the vacuum hood and the vacuum pump can be connected through the air pipe, so that the vacuum tightness in the windshield is guaranteed, the quality of solder paste is analyzed and detected in the subsequent process, and the sealing side door can be opened to clean a detection table in the windshield after the detection is finished, so that the cleanliness of the interior of the windshield can be guaranteed, and dust and impurities are prevented from entering the interior to influence the subsequent analysis effect;

the top has been added and has been uncapped the mechanism and can support sealed roof, is convenient for place the tin cream through the wind cap top and carry out analysis and detection, rotates the push pedal through the pull rod pulling sealed roof and rotates and open through promoting to one side, makes things convenient for the operation of depositing of tin cream thereupon.

Drawings

Fig. 1 is a front view of a dust cover of a solder paste analytical balance according to an embodiment of the present application.

FIG. 2 is a schematic view of a dust cover of a solder paste analytical balance according to an embodiment of the present application.

Fig. 3 is an exploded view of the adjustment seat and the movable plate of the embodiment of the application.

Description of reference numerals: 1. a windshield; 2. windproof glass; 3. sealing the top plate; 4. sealing the side door; 5. a support base plate; 6. an analytical balance; 7. an adjusting seat; 8. stretching the sliding rail; 9. a shock-absorbing strut; 10. a vacuum hood; 11. the buckle is magnetically attracted; 12. a magnetic block; 13. a limit baffle; 14. a return spring; 15. a movable plate; 16. rotating the push plate; 17. a transverse hook; 18. a pull rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a dust cover of a solder paste analytical balance. Referring to fig. 1, a dust cover of tin cream analytical balance, including wind cap 1 and analytical balance 6, wind cap 1 covers and locates analytical balance 6 tops, provides the confined space that the tin cream detected, and wind cap 1's inside is equipped with wind-proof glass 2, and wind-proof glass 2 is the convenient analysis condition of observing inside tin cream of transparent material, and the bottom of wind cap 1 lateral wall articulates there is sealed side door 4 that is used for dirt-proof, and rotatable opening clears up analytical table and edge inside analytical balance 6.

Referring to fig. 1-2, sealed side door 4 includes vacuum hood 10, the evacuation hole has been seted up to one side of vacuum hood 10 outer wall, the inside sealing connection in evacuation hole has the trachea, vacuum hood 10 and outside evacuation pump are connected to the accessible trachea, (evacuation pump does not do the perplexity here for prior art), evacuation pump work can be to the inside evacuation of windshield 1, guarantee the inside sealing performance of windshield 1, provide anti-interference detection space, avoid inside little impurity gets into, the limit portion of sealed side door 4 is equipped with joint strip, avoid the junction to produce great gap, the one end that side door sealed 4 is close to magnetism and inhales buckle 11 is fixed with magnetism and inhales block 12, conveniently open and shut sealed side door 4 and clear up the work, the front end of windshield 1 lateral wall is fixed with magnetism and inhales buckle 11, magnetism is inhaled block 12 and is inhaled buckle 11 magnetism and is inhaled with magnetism and is connected, simple structure connects stably.

Referring to fig. 2-3, a cavity is formed in the top of the windshield 1, a sealing top plate 3 for dust sealing is rotatably mounted outside the cavity, a pull rod 18 is rotatably connected to the rear end of the top surface of the sealing top plate 3, a supporting bottom plate 5 is fixed in the center of the top of the rear end of the windshield 1 and provides supporting force for uncovering, an adjusting seat 7 is arranged at the top of the supporting bottom plate 5, shock-absorbing support rods 9 for providing supporting force are symmetrically fixed on the side wall of the adjusting seat 7, and an uncovering mechanism is arranged inside the adjusting seat 7;

the cover opening mechanism comprises a stretching slide rail 8 arranged at the center of the top surface of the adjusting seat 7, a rotating push plate 16 is connected inside the stretching slide rail 8 in a sliding manner, the rotating push plate 16 inside the stretching slide rail 8 is pushed to drive the rotating push plate 16 to move to one side, a movable plate 15 is connected inside the adjusting seat 7 in a sliding manner, a reset spring 14 for supporting is connected between the movable plate 15 and the inner wall of the adjusting seat 7 in a linking manner, the reset spring 14 has certain contraction elasticity, the bottom end of the rotating push plate 16 penetrates through the stretching slide rail 8 and extends into the adjusting seat 7 to be connected with the edge of the movable plate 15 in a rotating manner, the rotating push plate 16 pushes the reset spring 14 to contract under force to drive the movable plate 15 to slide to one side in the adjusting seat 7, a sliding through cavity is formed in the front end of the adjusting seat 7, one end of a pull rod 18 extends into the sliding through cavity to be fixedly connected with the movable plate 15, the pull rod 18 moves to one side along with the sliding through, the sealing top plate 3 is driven to rotate and open, and solder paste can be placed at the top end of the windshield 1;

the top of rotating the push pedal 16 is an organic whole structure and is fixed with horizontal hook 17, adjusts the top symmetry of seat 7 rear end and is fixed with and is used for spacing limit baffle 13, rotates the push pedal 16 and rotates downwards, and accessible limit baffle 13 is spacing to horizontal hook 17 this moment, can keep rotating the open mode through the sealed roof 3 of pull rod 18 pulling, is convenient for depositing of tin cream.

The implementation principle of the dust cover of the solder paste analytical balance in the embodiment of the application is as follows: during the use, promote the inside rotation push pedal 16 of tensile slide rail 8, reset spring 14 atress shrink can drive fly leaf 15 and slide extrusion reset spring 14 to one side in adjusting seat 7, drag pull rod 18 to the side motion thereupon, and then drive sealed roof 3 and receive the pulling force rotation and open, alright place the tin cream through windshield 1 top, if need keep sealed roof 3 long-time open mode, can remove rotation push pedal 16 to tensile slide rail 8 end, will rotate push pedal 16 again and rotate downwards, accessible limit baffle 13 is spacing to horizontal hook 17 this moment, can keep rotating open mode through pull rod 18 pulling sealed roof 3, shock attenuation branch 9 supports the rear end of sealed roof 3, be convenient for place the tin cream in analytical balance 6 inside and carry out the analytical testing, can observe the detection state of the inside tin cream of glass 2 through preventing wind.

After detecting, can open the solder paste of sealed side door 4 clearance analytical balance 6 inside analysis bench, follow-up magnetism is inhaled buckle 11 and magnetism and is inhaled piece 12 magnetism and inhale the connection and fix through magnetism, if analytical balance 6 need place for a long time, accessible trachea connection vacuum cover 10 and outside evacuation pump can avoid the dust to get into inside to the inside evacuation of wind cap 1, guarantee inside sealed effect in order to treat the detection of next solder paste.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dust cover for a solder paste analytical balance, comprising a windshield (1) and an analytical balance (6), characterized in that: the dustproof sealing side door (4) is hinged to the bottom of the side wall of the windshield (1), a sealing top plate (3) is rotatably mounted at the top of the windshield (1), a pull rod (18) is rotatably connected to the rear end of the top surface of the sealing top plate (3), a supporting bottom plate (5) is fixed at the center of the top of the rear end of the windshield (1), and an adjusting seat (7) is arranged at the top of the supporting bottom plate (5);

the utility model discloses a portable electronic device, including adjusting seat (7), the inside of adjusting seat (7) is equipped with uncap mechanism, uncap mechanism is including offering in tensile slide rail (8) of adjusting seat (7) top surface center department, the inside sliding connection of tensile slide rail (8) has rotation push pedal (16).

2. A dust cover for a solder paste analytical balance as set forth in claim 1, wherein: the wind cap (1) is fixed to the top of the analytical balance (6), wind-proof glass (2) is arranged inside the wind cap (1), and a magnetic buckle (11) is fixed to the front end of the side wall of the wind cap (1).

3. A dust cover for a solder paste analytical balance as set forth in claim 2, wherein: sealed side door (4) include vacuum cover (10), the evacuation hole has been seted up to one side of vacuum cover (10) outer wall, the inside sealing connection in evacuation hole has the trachea, sealed side door (4) are close to the one end of magnetism and inhale buckle (11) and are fixed with magnetism and inhale piece (12), magnetism is inhaled piece (12) and is inhaled buckle (11) magnetism and inhale the connection with magnetism.

4. A dust cover for a solder paste analytical balance according to claim 1, wherein: the lateral wall symmetry of adjusting seat (7) is fixed with shock attenuation branch (9), the inside sliding connection who adjusts seat (7) has fly leaf (15), it has reset spring (14) that are used for the support to link up between fly leaf (15) and regulation seat (7) inner wall, the bottom of rotating push pedal (16) runs through tensile slide rail (8) and extends to the limit portion rotation connection with fly leaf (15) in adjusting seat (7).

5. A dust cover for a solder paste analytical balance as set forth in claim 4, wherein: the top of rotating push pedal (16) is an organic whole structure and is fixed with horizontal hook (17), the top symmetry of adjusting seat (7) rear end is fixed with and is used for spacing limit baffle (13), the front end of adjusting seat (7) has been seted up and has been slided logical chamber, the one end of pull rod (18) extends to and slides logical intracavity and fly leaf (15) fixed connection.