CN2559483Y

CN2559483Y - Lifting device for chip screen printer

Info

Publication number: CN2559483Y
Application number: CN 02242077
Authority: CN
Inventors: 李鸿南
Original assignee: HONGSHUN SCREEN PRINTING MACHINERY CO Ltd
Current assignee: HONGSHUN SCREEN PRINTING MACHINERY CO Ltd
Priority date: 2002-07-25
Filing date: 2002-07-25
Publication date: 2003-07-09
Anticipated expiration: 2012-07-25

Abstract

A riser for wafer screen printers is provided. The printer is provided with a mobile station on the top surface to bear the wafer and a printing part which prints the conducting materials or non-conducting materials to the wafer. The mobile station is installed with a rotary seat capable of fixing the wafer on the top surface, a middle seat, a lower seat and a base station from top to bottom. The riser comprises a control group positioned on the top surface of the base station, an adjusting group controlled by the control group to move horizontally and a lifting group fixed below the lower seat and controlled by the adjusting group to lift; wherein, the control group adopts a servomotor to control the rotation of screws to drive a displacement block on the screw; the top surface of the displacement block is fixed with the adjusting group with both sides provided with propping blocks arranged with inclined planes on the top surfaces; the lifting group is arranged with idler wheels propping up the inclined planes of the propping blocks.

Description

The riser of wafer screen printer

(1) technical field

The utility model is a kind of riser of wafer screen printer.

(2) background technology

On the whole the form of wafer screen printer is provided with a transportable travelling carriage, an and Printing Department, the end face of travelling carriage is fixed wafer with a rotating seat, should hold toward Printing Department again and move, circuit is printed on the wafer in the screen painting mode, in order to follow-up fabrication schedule, and in order to make wafer can be positioned at the most correct position, so the rotating seat on the travelling carriage is to control it with several servo motors to do laterally (X-axis) displacement, vertically (Y-axis) displacement, or rotate an angle, and bottom travelling carriage, a riser with cylinder pressure control lifting is set, or with motor, belt, the direct transmission control whole group travelling carriage of screw rod (comprising rotating seat) is made Z-direction and is risen, but in the mode of cylinder pressure control, its stroke is not easy control and accuracy is relatively poor; Pressure during with motor, belt, screw drive carrying printing, its position is easy to generate error.

(3) utility model content

Main purpose of the present utility model provides a kind of riser of being convenient to control and have the wafer screen printer of preferable accuracy.

Based on above-mentioned purpose, major technique means of the present utility model provide the riser of a wafer screen printer, the rotating seat lifting of the travelling carriage of controlled combinations sheet screen printer, travelling carriage from top to bottom is respectively equipped with rotating seat, middle seat, following seat, base station, be characterized in: it comprises the control group of one group of position at the base station end face, the adjustment group of lateral displacement is made in one group controlled group control, one is positioned at following below and is adjusted the lifting group that group is controlled lifting, wherein, described control group comprises that one is fixed in the servo motor on the board of wafer screen printer, the axostylus axostyle of servo motor forms screw rod and extends to the base station top, connect on the screw rod and with screw thread and establish a displaced block, on the base station of screw rod both sides, establish a slide rail parallel at interval respectively in addition, assemble a slide on two slide rails respectively with screw axial; Described adjustment group is to comprise using the plate body that is fixed on described displaced block, slide end face, assembles a contact piece respectively at least in the both sides of plate body, and the end face of contact piece then is provided with an inclined plane along the inclination of screw rod direction; Described lifting group comprises that then one is fixed in the fixed head of a following bottom surface, the corresponding roller that is provided with to the inclined plane that reaches the contact piece in fixed head bottom surface, other is provided with mutual plant and places restrictions on guiding block and the guide seat of lifting group with the certain orientation lifting between fixed head bottom surface and base station.

And cooperate the inclined plane of contact piece to design by above-mentioned servo motor, lifting with the control rotating disc, its digital control mode is vertical bevel direction with platen weight and the stressed direction guiding of printing force, the suffered thrust of reversing of reduction department clothes motor screw rod, to reach accurate locating effect, convenient more accurate, stable than known cylinder pressure or the direct drive control of conventional motor belt screw rod.

For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the outward appearance combination schematic diagram of the utility model riser of being applied to the wafer screen printer.

Fig. 2 is a part outward appearance decomposing schematic representation of the present utility model.

Fig. 3 is a plane of the present utility model generalized section.

Planar gesture schematic diagram when Fig. 4 is the utility model adjustment rising.

(5) specific embodiment

See also shown in Figure 1, the applied wafer screen printer of the utility model is on the whole similar with existing machinery, that is be provided with one can the bed rearrangement slippage a travelling carriage A and a B of Printing Department, this travelling carriage A is provided with one from top to bottom in regular turn for the fixing rotating seat 10 of wafer, seat 20 in one, a seat 30, one base station 40, this rotating seat 10 is by a whirligig 11 control rotations, middle seat 20 then is located at seat 20 in the lateral displacement device 21 of all sides and 22 controls of length travel device is made X-axis and Y-axis together with rotating seat 10 displacement, in addition be provided with one group of riser 50 between following 30 and the base station 40, do lifting to control down seat 30 together with middle seat 20 and rotating seat 10, and described riser 50 kenels promptly as shown in Figure 2.

It comprises the control group 500 of one group of position at base station 40 end faces, the adjustment group 60 of lateral displacement is made in one group controlled group 500 control, one is positioned at following 30 belows and is adjusted the lifting group 70 that group 60 is controlled liftings, wherein, described control group 500 comprises that one is fixed in the servo motor 51 on the board of wafer screen printer, the axostylus axostyle of servo motor 51 forms screw rod 52 and extends to base station 40 tops, and be hubbed on the fixed block 53 that is fixed on base station 40 end faces, connect on the screw rod 52 and with screw thread and establish a displaced block 54, be provided with at interval respectively in addition in screw rod 52 both sides one with the slide rail 55 of screw rod 52 axially parallels, assemble respectively on two slide rails 55 one can slippage on slide rail 55 slide 56, use assembling adjustment group 60;

This adjustment group 60 is to comprise using the plate body 61 that is fixed on described displaced block 54, slide 56 end faces, both sides in plate body 61 are assembled with a contact piece 62 respectively at least, the end face of contact piece 62 then is provided with an inclined plane 621, so when servo motor 51 starts, displaced block 54 and slide 56 promptly can be organized the 60 screw rod 52 axis direction displacements along servo motor 51 together with adjustment, do lifting with control lifting group 70;

This lifting group 70 is to comprise that one is fixed in the fixed head 71 of following 30 belows, fixed head 71 bottom surfaces are respectively equipped with a roller 72 corresponding to each 621 position, contact piece 62 inclined planes of adjustment group 60, do lifting with inclined plane 621 along contact piece 62, between fixed head 71 belows and base station 40, be provided with mutual plant in addition and place restrictions on guiding block 73 and the guide seat 57 of lifting group 70 with the certain orientation lifting, in the middle of this preferred embodiment, be two slides, 56 outsides of guide seat 57 being located at control group 500, be respectively equipped with one on the guide seat 57 and place restrictions on groove 571 towards upper shed at least, guiding block 73 then is fixed head 71 belows that are stretched on lifting group 70, and correspondingly insert in the placing restrictions in the groove 571 of guide seat 57, this guiding block 73 both sides and place restrictions between the groove 571 and have linear slide rail make mutual slippage action between the two more accurate smooth and easy.

As shown in Figure 3, following at ordinary times 30 be each roller 72 by lifting group 70 support and the inclined plane 621 of the contact piece 62 of adjustment group 60 on, when following 30 of desire control during together with shown in Figure 1 middle 20 and rotating seat 10 risings, promptly start servo motor shown in Figure 2 51, make its screw rod 52 rotate and drive adjustment group 60 and hang down these side shiftings in the inclined plane 621 of past contact piece 62 as illustrated in fig. 4, and lifting group 70 is subjected to the effect of placing restrictions on of guide seat 57, promptly can make roller 72 621 risings along the inclined plane, promptly make whole lifting group 70 together with following 30, middle seat 20 and rotating seat 10 are together toward rising, treat that operation finishes, servo motor 51 reverse rotations can be so that each pedestal decline.

And from the above, the utility model is the design that cooperates inclined plane 621 by servo motor 51, reach and control the purpose that rotating seat 10 rises, its digital control mode is vertical bevel direction with platen weight and the stressed direction guiding of printing force, the suffered thrust of reversing of reduction department clothes motor screw rod, accurately decide effect to reach, convenient more accurate, stable than known cylinder pressure or the direct drive control of conventional motor belt screw rod, more meet the higher wafer printing demand of precision demand.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. the riser of a wafer screen printer is used to control the rotating seat lifting of the travelling carriage of wafer screen printer, and travelling carriage from top to bottom is respectively equipped with rotating seat, middle seat, following, base station, it is characterized in that:

It comprises that adjustment group, that lateral displacement is made in the control group of base station end face, one group controlled group control in one group of position is positioned at below following and is adjusted and organizes the lifting group of controlling lifting, wherein, described control group comprises that one is fixed in the servo motor on the board of wafer screen printer, the axostylus axostyle of servo motor forms screw rod and extends to the base station top, connect on the screw rod and with screw thread and establish a displaced block, on the base station of screw rod both sides, be interval with a slide rail parallel respectively in addition, assemble a slide on two slide rails respectively with screw axial;

Described adjustment group comprises uses the plate body that is fixed on described displaced block, slide end face, assembles a contact piece respectively at least in the both sides of plate body, and the end face of contact piece then is provided with an inclined plane along the inclination of screw rod direction;

Described lifting group comprises that then one is fixed in the fixed head of a following bottom surface, the corresponding roller that is provided with to the inclined plane that reaches the contact piece in fixed head bottom surface, other is provided with mutual plant and places restrictions on guiding block and the guide seat of lifting group with the certain orientation lifting between fixed head bottom surface and base station.

2. the riser of wafer screen printer as claimed in claim 1, it is characterized in that, described guide seat is a base station end face of being located at the two slides outside of control group at interval, be respectively equipped with one on the guide seat at least towards the groove of placing restrictions on of upper shed, described guiding block then is the fixed head below that is stretched on the lifting group, and correspondingly is inserted in the placing restrictions in the groove of guide seat.

3. the riser of wafer screen printer as claimed in claim 1 or 2 is characterized in that, described base station end face is fixed with the fixed block that the screw rod for servo motor is pivoted.