CN202264481U - Locating clamp mechanism for screen printing machine - Google Patents
Locating clamp mechanism for screen printing machine Download PDFInfo
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- CN202264481U CN202264481U CN2011203600305U CN201120360030U CN202264481U CN 202264481 U CN202264481 U CN 202264481U CN 2011203600305 U CN2011203600305 U CN 2011203600305U CN 201120360030 U CN201120360030 U CN 201120360030U CN 202264481 U CN202264481 U CN 202264481U
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- clamping device
- rotation seat
- clamping mechanism
- screen process
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Abstract
The utility model discloses a locating clamp mechanism for solar cell printing equipment, belonging to the field of a production device of a solar cell silicon wafer, and aiming at solving the problems that the location accuracy, the repeatability and the stability of a screen printing machine are influenced by the existing clamp mechanism, and the existing clamp mechanism is higher in fragment rate. A locating clamp mechanism for the screen printing machine comprises a claw sleeve component, at least two groups of clamp mechanisms arranged along the X direction, at least two groups of clamp mechanisms arranged along the Y direction, wherein the solar cell silicon wafer can be located by the clamp mechanisms arranged along the X direction and the clamp mechanisms arranged along the Y direction from four directions and eight action points. After the locating clamp mechanism for the screen printing machine is adopted, the movement accuracy of the locating clamp mechanism is improved, the influence for the operation performance caused by structural abrasion can be reduced, the location accuracy, the reliability and the print quality are improved, the fragment rate is reduced, the maintenance period is shortened, the maintenance difficulty is reduced, and the like, so that the locating clamp mechanism is especially suitable for being applied to the cell printing equipment.
Description
Technical field
The utility model relates to the solar silicon cell production equipment, is specially a kind of screen process press positioning and clamping mechanism.
Background technology
The architectural characteristic of positioning and clamping mechanism is the key factor of the positioning accuracy that influences screen process press, repeatability, stability.The screen process press positioning and clamping mechanism positioning accuracy occurs and does not reach technological requirement when debugging or after operation a period of time at present, and fragment rate is higher.The kinematic accuracy off-design target of positioning and clamping mechanism action promptly can cause above-mentioned situation, needs to change a whole set of clamping device this moment.
Fig. 1 shows the structural representation according to prior art screen process press positioning and clamping mechanism.This positioning and clamping mechanism is made up of the identical clamp structure of quadruplet; Comprise clamp structure main body 1, directly act on the pawl grip assembly 2 of silicon chip, guarantee the whole bearing 3 that freely rotates of clamping device; The screw rod 4 that connects clamping device and sliding support; The spring strut 5 of balance clamping device, the rotating shaft 6 of mounting jaw cover guarantees the bearing 7 that the pawl cover freely rotates.According to this architectural characteristic, the positioning and clamping mechanism kinematic error is mainly the error that the structure wearing and tearing cause in clamping device alignment error and the use.
The clamping device alignment error mainly be presented as bearing 3 installing hole mismachining tolerances, bearing 7 installing hole mismachining tolerance and sliding support error equal error vector and.Receive at pillar 5 under the effect of left spring tension and clamping device self gravitation; Even bearing 3 installing hole machining accuracies are the limit G7 that national standard is preferentially selected tolerance range for use; Only the pawl cover moves down the error that h brings and just reaches 0.4mm; And processing cost is high, difficulty is big, will not cause the clamping device alignment error to increase if precision reaches requirement; According to the construction geometry characteristic, though all the other errors on magnitude all much smaller than bearing 3 installing hole mismachining tolerances, but still trend towards increasing clamping device overall installation error.
The wearing and tearing of structure in the running are mainly reflected in the wearing and tearing of bearing 3 installing holes, move a period of time continuously after, under spring tension, clamping device self gravitation and the effect of silicon chip reaction force alternate cycles, θ angle and distance h increase, positioning performance continues variation.
In addition, owing to situation such as inevitable spillages in the equipment use, the bearing 7 that assurance pawl cover freely rotates in this structure causes damage of bearings very easily by slurry contamination, and pawl cover 2 can't rotate, the fragment rate increase.
The utility model content
The technical problem that the utility model will solve is to the defective of prior art, to aim to provide a kind of screen process press positioning and clamping mechanism; This positioning and clamping mechanism can improve its kinematic accuracy; Reduce the influence of structure wearing and tearing, promote positioning accuracy, reliability and press quality, reduce fragment rate runnability; Shorten maintenance period, reduce maintenance difficulties etc.
To achieve these goals; The technical scheme that the utility model adopted is: said screen process press positioning and clamping mechanism; Comprise the pawl grip assembly, its design feature is to comprise that also at least two groups are positioned at the clamping device of directions X and the clamping device of at least two group Y directions;
The structure of the clamping device of said directions X does; Comprise the driving pedestal; Be contained in the self-balancing rotation seat that can drive the pedestal rotation on the driving pedestal relatively through bearing, at least one described pawl grip assembly is equipped with in this self-balancing rotation seat upper end, and said driving pedestal one side is provided with spring stop; On this spring stop raised head screw is housed, the plush copper end of this raised head screw links to each other with said self-balancing rotation seat through at least one spring;
The structure of the clamping device of said Y direction does, comprises fixed pedestal, is contained in the drive block on the fixed pedestal, and at least one described pawl grip assembly is housed on this drive block.
Further improvement as the utility model.
In order to prevent the slurry contamination bearing, the structure of said pawl grip assembly does, comprises pillar, is sleeved on the pawl cover of the top closure on pillar top, and this pillar and pawl inner room are equipped with bearing, are interference fit between pawl cover and the bearing.Because it is inner that bearing is installed on pawl cover, the circle of the outer surface precision of beating when having guaranteed the rotation of pawl cover
Adjusting lever is equipped with in upper end at said self-balancing rotation seat and/or drive block; The lower end of said pawl grip assembly is fixed on this adjusting lever the end near the battery sheet; Through moving adjusting lever, get final product the location of compatible 125 * 125mm or 156 * 156mm specification battery sheet.
Said fixed pedestal is provided with line slideway, and said drive block places on this line slideway and its slip relatively, is more convenient for the size adjusting of clamping device of clamping device and the Y direction of directions X.
On the said driving pedestal screw is housed, said self-balancing rotation seat links to each other with screw through the bearing that this is sleeved on the screw; One end of said spring embeds in the corresponding counterbore of self-balancing rotation seat, and the other end is connected on the plush copper of raised head screw.
By said structure, the utility model positions silicon chip of solar cell from four direction, eight application points.Respectively organize the clamping device movement travel, speed of directions X equate, and be in the opposite direction, every group of two points of force application, and point of force application possesses self-balancing ability; Respectively organize the clamping device movement travel, speed of Y direction equate, and be in the opposite direction, every group of two points of force application, and point of force application is synchronized with the movement.
Below the utility model made further specify.
The structure of the clamping device of described directions X is: the self-balancing rotation seat is installed on through brachycephaly screw, upper bearing (metal), pad, lower bearing and drives on the pedestal; The pedestal side is equipped with spring plate washer, raised head screw and spring; This spring other end embeds in the corresponding counterbore of self-balancing rotation seat, and adjusting lever and pawl grip assembly are installed on the self-balancing rotation seat.This structure has realized can adjusting the function of self-balancing rotation seat equalization point through changing the raised head screw installation site.
The structure of the clamping device of described Y direction is: two groups of line slideways are installed on the fixed pedestal, and drive block is fixed on the slide block of line slideway, and adjusting lever and the pawl grip assembly identical with the clamping device of directions X are installed on the drive block.Said self-balancing rotation seat is provided with draw-in groove, in this draw-in groove adjusting lever is installed, and said drive block is provided with draw-in groove, in this draw-in groove adjusting lever is installed, this simple in structure being suitable for.
The structure of described pawl grip assembly is: through the brachycephaly screw two bearings and pad are installed on the pillar, pillar is fixed in adjusting lever, is interference fit between the pawl of semi-closed structure cover and two bearings.
With present compared with techniques, the beneficial effect of the utility model is:
1, the positioning and clamping mechanism kinematic accuracy effectively improves.The clamping device kinematic accuracy of directions X is main relevant with the bearing mounting hole machining accuracy of self-balancing rotation seat, when bearing mounting hole is selected tolerance range G7 precision for use, and according to the construction geometry characteristic, the clamping device overall installation error vector of directions X and less than 0.07mm; The clamping device kinematic accuracy of Y direction depends primarily on the motion depth of parallelism of line slideway, is generally less than 0.02mm.
2, the structure wear extent is less.The spring force that clamping device bore and the gravity of directions X all act on the dead eye center, so the motion wearing and tearing are little; The motion wearing and tearing of the clamping device of Y direction are embodied in the wearing and tearing of line slideway, and under the situation of the guide grease of use, it is very little to wear and tear.
3, the pawl grip assembly is reliable and stable.Because it is inner that bearing is installed on pawl cover, slurry is difficult for polluting bearing, and the duplex bearing circle of outer surface precision of beating when having guaranteed the rotation of pawl cover.
In a word, the utility model has reduced the influence of structure wearing and tearing to runnability, has promoted positioning accuracy, reliability and press quality, has reduced fragment rate, has shortened maintenance period, has reduced maintenance difficulties.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
The structural representation of the existing positioning and clamping mechanism of Fig. 1;
Fig. 2 is the structural representation of a kind of embodiment of the utility model;
Fig. 3 is the generalized section of the clamping device of directions X among Fig. 2;
Fig. 4 is the structural representation of the said pawl grip assembly of the utility model.
In the drawings:
1-clamp structure main body; 2-pawl grip assembly; 3, the 7-bearing;
The 4-screw rod; The 5-spring strut; The 6-rotating shaft;
8-drives pedestal; 9-self-balancing rotation seat; 10-spring plate washer;
The 11-adjusting lever; 12-pawl grip assembly; The 13-fixed pedestal;
The 14-line slideway; The 15-drive block; The 16-raised head screw;
The 17-extension spring; The 18-pillar; 19-pawl cover; The 20-bearing.
The specific embodiment
A kind of screen process press positioning and clamping mechanism, like Fig. 2 and shown in Figure 3, the clamping device of directions X has the pedestal 8 of driving, is driven by the screen process press positioning and driving mechanism, and integral body moves back and forth at directions X.Self-balancing rotation seat 9 links to each other with driving pedestal 8 through brachycephaly screw, two bearings and pad, and can make self-balancing rotation seat 9 is that the center rotates with the brachycephaly screw.Spring plate washer 10 links to each other with driving pedestal 8 through two pads; Two raised head screws 16 are housed simultaneously; Raised head screw 16 is in same plane with self-balancing rotation seat 9 upper spring hole clippings; The nose of raised head screw 16 acts on self-balancing rotation seat 9 through extension spring 17, and the elastic force through adjustment raised head screw 16 change extension springs 17 makes self-balancing rotation seat 9 be in the equilbrium position.Adjusting lever 11 is fixed in the draw-in groove of self-balancing rotation seat 9, and pawl grip assembly 12 links to each other with adjusting lever 11.
The clamping device of said Y direction has fixing pedestal 13, and drive block 15 links to each other with pedestal 15 through line slideway 14, and drive block 15 can be driven by the screen process press positioning and driving mechanism along the straight reciprocating motion of guide rail direction, and drive block 15 moves in the Y direction.Adjusting lever 11 is fixed in the draw-in groove of drive block 15, and pawl grip assembly 12 links to each other with adjusting lever 11.
As shown in Figure 4, said pawl grip assembly 12 is made up of pawl cover 19, bearing 20, brachycephaly soket head cap screw, pad and pillar 18.Through the brachycephaly soket head cap screw two bearings 20, pads are connected on the pillar 18, pillar 18 is fixed in adjusting lever 11, and pawl cover 19 is a semi-closed structure, is contained on the bearing 20.In the pawl cover 19 ledge structure is arranged, and be interference fit between pawl cover 19 and the bearing 20.
The content that the foregoing description is illustrated is to be understood that to these embodiment and only is used to be illustrated more clearly in the utility model; And be not used in the restriction the utility model scope; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
Claims (8)
1. a screen process press positioning and clamping mechanism comprises pawl grip assembly (12), it is characterized in that, comprises that also at least two groups are positioned at the clamping device of directions X and the clamping device of at least two group Y directions;
The structure of the clamping device of said directions X does; Comprise and drive pedestal (8); Be contained in the self-balancing rotation seat (9) that can drive pedestal (8) rotation on the driving pedestal (8) relatively through bearing, at least one described pawl grip assembly (12) is equipped with in this self-balancing rotation seat (9) upper end, and said driving pedestal (8) one sides are provided with spring stop (10); Raised head screw (16) is housed on this spring stop (10), and the plush copper end of this raised head screw (16) links to each other with said self-balancing rotation seat (9) through at least one spring (17);
The structure of the clamping device of said Y direction does, comprises fixed pedestal (13), is contained in the drive block (15) on the fixed pedestal (13), and at least one described pawl grip assembly (12) is housed on this drive block (15).
2. screen process press positioning and clamping mechanism according to claim 1; It is characterized in that the structure of said pawl grip assembly (12) is to comprise pillar (18); Be sleeved on the pawl cover (19) of the top closure on pillar (18) top, between this pillar (18) and pawl cover (19) bearing (20) be housed.
3. screen process press positioning and clamping mechanism according to claim 1 and 2; It is characterized in that; Adjusting lever (11) is equipped with in upper end at said self-balancing rotation seat (9) and/or drive block (15), and the lower end of said pawl grip assembly (12) is fixed on this adjusting lever (11) and goes up the end near the battery sheet.
4. screen process press positioning and clamping mechanism according to claim 1 and 2 is characterized in that, said fixed pedestal (13) is provided with line slideway (14), and said drive block (15) places this line slideway (14) to go up and its slip relatively.
5. screen process press positioning and clamping mechanism according to claim 1 is characterized in that, on the said driving pedestal (8) screw is housed, and said self-balancing rotation seat (9) links to each other with screw through the bearing that this is sleeved on the screw; One end of said spring (17) embeds in the corresponding counterbore of self-balancing rotation seat (9), and the other end is connected on the plush copper of raised head screw (16).
6. screen process press positioning and clamping mechanism according to claim 3 is characterized in that, said self-balancing rotation seat (9) is provided with draw-in groove, and adjusting lever (11) is installed in this draw-in groove.
7. screen process press positioning and clamping mechanism according to claim 3 is characterized in that, said drive block (15) is provided with draw-in groove, and adjusting lever (11) is installed in this draw-in groove.
8. screen process press positioning and clamping mechanism according to claim 3 is characterized in that, the clamping device of the clamping device of said directions X and Y direction is two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203600305U CN202264481U (en) | 2011-09-23 | 2011-09-23 | Locating clamp mechanism for screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203600305U CN202264481U (en) | 2011-09-23 | 2011-09-23 | Locating clamp mechanism for screen printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202264481U true CN202264481U (en) | 2012-06-06 |
Family
ID=46155291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203600305U Withdrawn - After Issue CN202264481U (en) | 2011-09-23 | 2011-09-23 | Locating clamp mechanism for screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202264481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431281A (en) * | 2011-09-23 | 2012-05-02 | 湖南红太阳光电科技有限公司 | Locating and clamping mechanism of screen printing machine |
| CN109244181A (en) * | 2018-08-28 | 2019-01-18 | 湖州景盛新能源有限公司 | A kind of solar battery sheet placement clip |
-
2011
- 2011-09-23 CN CN2011203600305U patent/CN202264481U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431281A (en) * | 2011-09-23 | 2012-05-02 | 湖南红太阳光电科技有限公司 | Locating and clamping mechanism of screen printing machine |
| CN102431281B (en) * | 2011-09-23 | 2014-01-15 | 湖南红太阳光电科技有限公司 | Locating and clamping mechanism of screen printing machine |
| CN109244181A (en) * | 2018-08-28 | 2019-01-18 | 湖州景盛新能源有限公司 | A kind of solar battery sheet placement clip |
| CN109244181B (en) * | 2018-08-28 | 2020-09-25 | 旌德君创科技发展有限公司 | Solar wafer is with placing clamping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20140115 |
|
| RGAV | Abandon patent right to avoid regrant |