CN202290453U

CN202290453U - Head mechanism of dispenser

Info

Publication number: CN202290453U
Application number: CN2011203717696U
Authority: CN
Inventors: 刘飞; 张攀武
Original assignee: DONGGUAN ANDA AUTOMATIC EQUIPMENT Co Ltd
Current assignee: DONGGUAN ANDA AUTOMATIC EQUIPMENT Co Ltd
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-07-04
Anticipated expiration: 2021-09-28

Abstract

The utility model relates to the technical field of dispensing processing of a PCB (Printed Circuit Board), in particular to a head mechanism of a dispenser. The head mechanism comprises a head mounting seat, a lifting substrate, a corner dispensing device, a rotary pedestal, a main rotating shaft and a rotary driving mechanism, wherein the head mounting seat is provided with a slide rail; the slide rail is movably provided with a lifting slide block; the lifting substrate is connected with the lifting slide block; the rotary driving mechanism is used for driving the main rotating shaft to rotate; the main rotating shaft can be arranged on the lifting substrate in a rotating way; the rotary pedestal is connected with the lower part of the main rotating shaft; and the corner dispensing device is arranged on the rotary pedestal. According to the head mechanism, a glue can be dispensed at not only a dead angle position of an electronic element in the shape of a rectangular block but also a dead angle position of a cylindrical electronic element, the clamping placement position of the PCB on a working table is not required to be changed, the dispensing speed of the dispensing processing is greatly increased, the dispensing quality and the processing efficiency of the dispenser are improved, and the practicability is high.

Description

The point gum machine head mechanism

Technical field

The utility model relates to the some glue processing technique field of PCB circuit board, refers in particular to a kind of point gum machine head mechanism.

Background technology

Point gum machine is claimed glue spreader, adhesive dripping machine, adhesive supplier etc. again, is that special convection cell is controlled, and with the fluid drop, be coated on the inner automatic machinery of product surface or product.Point gum machine is mainly used in the accurate point of glue, paint and other liquid in the product technology, annotate, be coated with, put and drip to each product exact position, can be used for realizing getting ready, setting-out, round or camber.The dispensing needle head of existing conventional point gum machine is vertical setting; Add man-hour carrying out actual point glue; Can only carry out the processing of glue to bigger position, space on the PCB circuit board, if the thickness of electronic component or highly bigger, and existing dispensing needle head can only be vertically about; Thereby be difficult to glue is put glue to the bottom of electronic component and the position, dead angle of PCB circuit board contact position, had a strong impact on the some colloid amount of point gum machine.

For glue being put the position, dead angle that glue contacts with the PCB circuit board to the bottom of electronic component; Someone is obliquely installed the Glue dripping head portion of point gum machine; But the Glue dripping head portion that is obliquely installed can only carry out a glue processing to some sides of electronic component; And can not carry out a glue processing to other side of electronic component, and normally realize the some glue processing of each side through changing the clamping placement location of PCB circuit board on workbench, greatly reduce the working (machining) efficiency of point gum machine.

Summary of the invention

The technical problem that the utility model will solve provides a kind of clamping placement location of conversion PCB circuit board on workbench that need not, and also can carry out the point gum machine head mechanism of gluing to the position, dead angle on all directions of electronic component on the PCB circuit board.

In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: the point gum machine head mechanism, comprise head mount pad, elevation base plate and intersecting point adhesive dispenser, and the head mount pad is equiped with slide rail; This slide rail activity is equiped with lifting slider; Elevation base plate is connected with lifting slider, also comprises rotating base, main shaft and is used to drive the rotary drive mechanism that main shaft rotates, the rotatable elevation base plate that is installed in of main shaft; Rotating base is connected with the bottom of main shaft, and said intersecting point adhesive dispenser is installed in said rotating base.

Wherein, said rotary drive mechanism comprises first motor that is installed in elevation base plate and the driven pulley that is installed in main shaft top, and the main shaft and the driven pulley of first motor are in transmission connection.

Wherein, said elevation base plate offers bearing mounting hole, and this bearing mounting hole is equiped with thrust ball bearing, and said main shaft is connected with this thrust ball bearing.

Preferably; Said intersecting point adhesive dispenser comprises the Glue dripping head portion of rotatable angle and is installed in the link of rotating base; This Glue dripping head portion comprises the glue-spreading head of sending glue valve body, bulb hinged block and being connected with the bulb hinged block, send the glue valve body to be connected with said link, send the glue valve body to be provided with hinged bulb; The bulb hinged block offers the hinged groove that is complementary with hinged bulb, and hinged bulb activity is embedded in this hinged groove; The said glue valve body that send is provided with the corner driving mechanism that drives the rotation of bulb hinged block; Saidly send the glue valve body to offer to be used for to sending the glue valve body to add the cementing port that advances of glue.

Wherein, saidly send the glue valve body to offer to send the glue passage, this send and is equiped with the rotating glue screw rod that send in the glue passage, and this send the glue passage to advance cementing port and be communicated with said; Said link be equiped with drive send that the glue screw rod rotates send the glue driving mechanism; The bottom of said hinged groove offers crank slot, send the lower end of glue passage to be communicated with this crank slot, and the upper end of said glue-spreading head is communicated with this crank slot.

Wherein, said send the glue driving mechanism to comprise the shell fragment shaft coupling and be installed in said link send the glue motor, the upper end of shell fragment shaft coupling is connected with the main shaft that send the glue motor, the lower end of shell fragment shaft coupling is connected with the said upper end of glue screw rod of sending.

Further, the bottom of said link is provided with the screw rod holder, send the glue valve body to be threaded with this screw rod holder.

Wherein, said corner driving mechanism comprises and is arranged at the cylinder that send the glue valve body and the movable piston rod that is installed in this cylinder that the lower end of this piston rod and said bulb hinged block are in transmission connection.

Wherein, the lower end of said piston rod is provided with the interlock bulb, and said bulb hinged block offers up-small and down-big interlock groove, and said interlock bulb is embedded in this interlock groove.

Further, said glue-spreading head comprises pin mouth and the pin mouth nut that is threaded with the bulb hinged block, and the upper end of pin mouth is connected with this pin mouth nut.

The beneficial effect of the utility model is: the utility model provides a kind of point gum machine head mechanism; Comprise head mount pad, elevation base plate and intersecting point adhesive dispenser; The head mount pad is equiped with slide rail, and this slide rail activity is equiped with lifting slider, and elevation base plate is connected with lifting slider; Also comprise rotating base, main shaft and be used to drive the rotary drive mechanism that main shaft rotates; The rotatable elevation base plate that is installed in of main shaft, rotating base is connected with the bottom of main shaft, and said intersecting point adhesive dispenser is installed in said rotating base.In actual point glue process, said up-down can move up and down under the effect of the lifting drive of point gum machine basically, to drive moving up and down of said intersecting point adhesive dispenser; When the pin mouth of intersecting point adhesive dispenser is accomplished at the dead angle gluing to a side of electronic component; In the time of need forwarding other direction to and carry out gluing, rotary drive mechanism begins action, turns an angle to drive main shaft; Rotating base and intersecting point adhesive dispenser rotate with main shaft synchronously; And then realize gluing is carried out in the position, dead angle on all directions of electronic component on the PCB circuit board, the utility model not only can carry out gluing to the position, dead angle of the electronic component of rectangular block shape, can also carry out gluing to the position, dead angle of columned electronic component; Need not the clamping placement location of conversion PCB circuit board on workbench; The point glue speed of the some glue processing that has improved has greatly improved the some colloid amount and the working (machining) efficiency of point gum machine, and is practical.

Description of drawings

Fig. 1 is the perspective view of the said point gum machine head mechanism of the utility model.

Fig. 2 is the perspective view at another visual angle of the said point gum machine head mechanism of the utility model.

Fig. 3 is the stereochemical structure decomposing schematic representation of the said point gum machine head mechanism of the utility model.

Fig. 4 is the cross-sectional view of said rotating base of the utility model and intersecting point adhesive dispenser.

Fig. 5 is the perspective view of said bulb hinged block of the utility model and piston rod.

The specific embodiment

For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that embodiment is mentioned not is the qualification to the utility model.

Extremely shown in Figure 5 like Fig. 1; A kind of point gum machine head mechanism comprises head mount pad 1, elevation base plate 2 and intersecting point adhesive dispenser, and head mount pad 1 is equiped with slide rail 3; These slide rail 3 activities are equiped with lifting slider 4; Elevation base plate 2 is connected with lifting slider 4, also comprises rotating base 5, main shaft 6 and is used to drive the rotary drive mechanism that main shaft 6 rotates, the main shaft 6 rotatable elevation base plate 2 that are installed in; Rotating base 5 is connected with the bottom of main shaft 6, and said intersecting point adhesive dispenser is installed in said rotating base 5.

In actual point glue process, said up-down can move up and down under the effect of the lifting drive of point gum machine basically, to drive moving up and down of said intersecting point adhesive dispenser; When the pin mouth 27 of intersecting point adhesive dispenser is accomplished at the dead angle gluing to a side of electronic component; In the time of need forwarding other direction to and carry out gluing, rotary drive mechanism begins action, turns an angle to drive main shaft 6; Rotating base 5 and intersecting point adhesive dispenser rotate with main shaft 6 synchronously; And then realize gluing is carried out in the position, dead angle on all directions of electronic component on the PCB circuit board, the utility model not only can carry out gluing to the position, dead angle of the electronic component of rectangular block shape, can also carry out gluing to the position, dead angle of columned electronic component; Need not the clamping placement location of conversion PCB circuit board on workbench; The point glue speed of the some glue processing that has improved has greatly improved the some colloid amount and the working (machining) efficiency of point gum machine, and is practical.

Main shaft and driven pulley 8 that the said rotary drive mechanism of present embodiment comprises first motor 7 that is installed in elevation base plate 2 and is installed in driven pulley 8, the first motors 7 on main shaft 6 tops are in transmission connection.Control the rotational angle of the main shaft of first motor 7 through circuit, the main shaft of first motor 7 and driven pulley 8 are in transmission connection, thereby realize the control to the rotational angle of driven pulley 8, and then realize that the rotation of rotary drive mechanism drives function.Preferred embodiment be to be in transmission connection for band synchronously between main shaft and the driven pulley 8 of said first motor 7, certainly, can also be connected for gear drive between the main shaft of first motor 7 and the driven pulley 8, as long as can realize both synchronous rotations.

The said elevation base plate 2 of present embodiment offers bearing mounting hole 9; This bearing mounting hole 9 is equiped with thrust ball bearing 10; Said main shaft 6 is connected with this thrust ball bearing 10; Reduce frictional resistance and wearing and tearing between main shaft 6 and the elevation base plate 2 greatly, improved the sensitivity that main shaft 6 rotates, prolonged the service life of main shaft 6 and elevation base plate 2.

Further; Said intersecting point adhesive dispenser comprises the Glue dripping head portion of rotatable angle and is installed in the link 11 of rotating base 5; This Glue dripping head portion comprises the glue-spreading head of sending glue valve body 12, bulb hinged block 13 and being connected with bulb hinged block 13, send glue valve body 12 to be connected with said link 11, send glue valve body 12 to be provided with hinged bulb 14; Bulb hinged block 13 offers the hinged groove 15 that is complementary with hinged bulb 14, and hinged bulb 14 activities are embedded in this hinged groove 15; The said glue valve body 12 that send is provided with the corner driving mechanism that drives 13 rotations of bulb hinged block; Said send glue valve body 12 to offer to be used for to what send that glue valve body 12 adds glues advance cementing port 16.

In actual point glue process, glue enters into and send in the glue valve body 12 through advancing cementing port 16, carries out a glue action by sending glue valve body 12 that glue is transported to glue-spreading head again; Under the effect of corner driving mechanism; Bulb hinged block 13 rotates around hinged bulb 14; Thereby driving the glue-spreading head dispensing needle head of glue-spreading head (or be installed in) tilts to rotate; So that the end of glue-spreading head or dispensing needle head can be more near the bottom of electronic component and the position, dead angle of PCB circuit board contact position,, improve a some colloid amount so that the glue point is coated onto the optimum glue position at dead angle; Owing to have only hinged bulb 14 and glue-spreading head partly to rotate, alleviated the quality of running part greatly, reduced the load of corner driving mechanism, reduced rocking when carrying out the corner action, further improve the precision and the some colloid amount of some glue processing.

Further, saidly send glue valve body 12 to offer to send glue passage 18, this send and is equiped with the rotating glue screw rod 17 that send in the glue passage 18, and this send glue passage 18 to advance cementing port 16 and be communicated with said; Said link 11 be equiped with drive send that glue screw rod 17 rotates send the glue driving mechanism; The bottom of said hinged groove 15 offers crank slot 19, send the lower end of glue passage 18 to be communicated with this crank slot 19, and the upper end of said glue-spreading head is communicated with this crank slot 19.Concrete, said send the glue driving mechanism to comprise shell fragment shaft coupling 20 and be installed in said link 11 send glue motor 21, the upper end of shell fragment shaft coupling 20 is connected with the main shaft that send glue motor 21, the lower end of shell fragment shaft coupling 20 is connected with the said upper end of glue screw rod 17 of sending.

Send glue screw rod 17 under the effect of sending glue motor 21, to rotate; Glue enters into and send the sending in the glue passage 18 of glue valve body 12 through advancing cementing port 16; Owing to send the rotary action of glue screw rod 17, glue moves under the threaded function of sending glue screw rod 17 descends, thereby constantly glue is squeezed in the said crank slot 19; And glue is delivered to the bottom of electronic component and the position, dead angle of PCB circuit board contact position exactly through glue-spreading head; That send that being provided with of glue screw rod 17 realized sending glue valve body 12 steadily send glue, makes the uniform and stable more of transporting of glue, improves the uniformity of some glue processing.When bulb hinged block 13 rotates around hinged bulb 14; Because crank slot 19 keeps connected state with the said glue passage 18 that send all the time; No matter bulb hinged block 13 turns to any angle, and glue can be successfully from sending glue passage 18 to enter into glue-spreading head through crank slot 19, and corner moves and send the glue action to be independent of each other; Stable performance, practical.

The bottom of the said link 11 of present embodiment is provided with screw rod holder 22, send glue valve body 12 to be threaded with this screw rod holder 22 so that link 11 with send removably connecting of glue valve body 12, reduce the dismounting difficulty, thereby reduce the cost of overhaul; Strengthened sending the centering of glue screw rod 17 to fix on the other hand, prevented to send the double swerve of glue screw rod 17, avoided sending glue screw rod 17 to influence service life with sending the interior wall friction of glue passage 18.

The said corner driving mechanism of present embodiment comprises and is arranged at the cylinder 23 that send glue valve body 12 and the movable piston rod 24 that is installed in this cylinder 23 that the lower end of this piston rod 24 and said bulb hinged block 13 are in transmission connection.Concrete, the lower end of said piston rod 24 is provided with interlock bulb 25, and said bulb hinged block 13 offers up-small and down-big interlock groove 26, and said interlock bulb 25 is embedded in this interlock groove 26.

Utilize air pressure to drive stretching out of control piston bar 24 and bounce back, make interlock bulb 25 drive interlock grooves 26 and come back rotation, and then realize the corner function of bulb hinged block 13.Certainly; Said corner driving mechanism can also be stepper motor; Utilize the rotational angle of stepper motor to control the corner action of bulb hinged block 13, the stretching out and bounce back of hydraulic cylinder power bar, perhaps; Said corner driving mechanism is that cylinder 23 mate gear tooth bars drive bulb hinged block 13 and carry out corner action, equally also can reach above-mentioned technique effect.

The said glue-spreading head of present embodiment comprises pin mouth 27 and pin mouth 27 nuts that are threaded with bulb hinged block 13; This changes the connection of pin mouth 27 nuts the upper end of pin mouth 27; When needs are changed pin mouth 27; Pin mouth 27 nuts of only need outwarding winding, the pin mouth 27 that more renews pin mouth 27 nuts of screwing again again get final product, dismounting or to change maintenance all very convenient fast.

What need supplementary notes is: the both sides of said bulb hinged block 13 all are equiped with adjustment screw, when bulb hinged block 13 turns to extreme position around hinged bulb 14, and the upper end of this adjustment screw and the lower surface butt that send glue valve body 12; Thereby play the effect of restriction bulb hinged block 13 angle ranges, when needs are regulated the angle range of bulb hinged block 13, the turn adjustment screw; This adjustment screw rising or decline certain height are got final product; Easy to adjust, mechanism is simple, and practicality is stronger.

The foregoing description is one of preferable implementation of the utility model; In addition; The utility model can also alternate manner realizes, in any conspicuous replacement under the prerequisite that does not break away from the utility model inventive concept all within the protection domain at the utility model.

Claims

1. point gum machine head mechanism; Comprise head mount pad (1), elevation base plate (2) and intersecting point adhesive dispenser; Head mount pad (1) is equiped with slide rail (3), and this slide rail (3) activity is equiped with lifting slider (4), and elevation base plate (2) is connected with lifting slider (4); It is characterized in that: also comprise rotating base (5), main shaft (6) and be used to drive the rotary drive mechanism that main shaft (6) rotates; The rotatable elevation base plate (2) that is installed in of main shaft (6), rotating base (5) is connected with the bottom of main shaft (6), and said intersecting point adhesive dispenser is installed in said rotating base (5).

2. point gum machine head mechanism according to claim 1; It is characterized in that: said rotary drive mechanism comprises first motor (7) that is installed in elevation base plate (2) and is installed in the driven pulley (8) on main shaft (6) top that the main shaft of first motor (7) and driven pulley (8) are in transmission connection.

3. point gum machine head mechanism according to claim 1; It is characterized in that: said elevation base plate (2) offers bearing mounting hole (9); This bearing mounting hole (9) is equiped with thrust ball bearing (10), and said main shaft (6) is connected with this thrust ball bearing (10).

4. point gum machine head mechanism according to claim 1; It is characterized in that: said intersecting point adhesive dispenser comprises the Glue dripping head portion of rotatable angle and is installed in the link (11) of rotating base (5); This Glue dripping head portion comprises the glue-spreading head of sending glue valve body (12), bulb hinged block (13) and being connected with bulb hinged block (13); Send glue valve body (12) to be connected with said link (11); Send glue valve body (12) to be provided with hinged bulb (14), bulb hinged block (13) offers the hinged groove (15) that is complementary with hinged bulb (14), and hinged bulb (14) activity is embedded in this hinged groove (15); The said glue valve body (12) that send is provided with the corner driving mechanism that drives bulb hinged block (13) rotation; Said send glue valve body (12) to offer to be used for to what send that glue valve body (12) adds glue advance cementing port (16).

5. point gum machine head mechanism according to claim 4; It is characterized in that: saidly send glue valve body (12) to offer to send glue passage (18); This send and is equiped with the rotating glue screw rod (17) that send in the glue passage (18), and this send glue passage (18) to advance cementing port (16) and be communicated with said; Said link (11) be equiped with drive send that glue screw rod (17) rotates send the glue driving mechanism; The bottom of said hinged groove (15) offers crank slot (19), send the lower end of glue passage (18) to be communicated with this crank slot (19), and the upper end of said glue-spreading head is communicated with this crank slot (19).

6. point gum machine head mechanism according to claim 5; It is characterized in that: said send the glue driving mechanism to comprise shell fragment shaft coupling (20) and be installed in said link (11) send glue motor (21); The upper end of shell fragment shaft coupling (20) is connected with the main shaft that send glue motor (21), and the lower end of shell fragment shaft coupling (20) is connected with the said upper end of glue screw rod (17) of sending.

7. point gum machine head mechanism according to claim 6 is characterized in that: the bottom of said link (11) is provided with screw rod holder (22), send glue valve body (12) to be threaded with this screw rod holder (22).

8. point gum machine head mechanism according to claim 4; It is characterized in that: said corner driving mechanism comprises and is arranged at the piston rod (24) that the cylinder (23) that send glue valve body (12) and activity are installed in this cylinder (23) that lower end of this piston rod (24) and said bulb hinged block (13) are in transmission connection.

9. point gum machine head mechanism according to claim 8; It is characterized in that: the lower end of said piston rod (24) is provided with interlock bulb (25); Said bulb hinged block (13) offers up-small and down-big interlock groove (26), and said interlock bulb (25) is embedded in this interlock groove (26).

10. point gum machine head mechanism according to claim 4 is characterized in that: said glue-spreading head comprises pin mouth (27) and the pin mouth nut (28) that is threaded with bulb hinged block (13), and the upper end of pin mouth (27) is connected with this pin mouth nut (28).