CN219958945U - Straight fork die bonding equipment - Google Patents

Abstract

The application provides a straight-fork die bonding device, which comprises: a machine table; the feeding device comprises a first lifting mechanism for driving the fork frame to lift and a material taking mechanism for absorbing the bracket, and the first lifting mechanism and the material taking mechanism are arranged on the machine; the conveying device is used for conveying the support and is arranged on the machine; the positioning device is used for clamping the positions of the pins on the positioning bracket and is arranged on the machine table; the dispensing device is used for dispensing on the bracket and is arranged on the machine; the die bonding device is used for assembling the chip on the bracket and is arranged on the machine table; and the receiving device is used for storing the bracket on the fork frame and is arranged on the machine table. According to the straight-fork die bonding equipment provided by the application, the feeding of the fork frame is realized through the feeding device, and the positions of the pairs of pins in the brackets with different lengths and widths can be clamped and positioned through the positioning device, so that the die bonding requirements of brackets with different types are met, and the compatibility of the whole machine is improved.

Description

Straight fork die bonding equipment

Technical Field

The application belongs to the technical field of die bonding, and particularly relates to a direct-fork die bonding device.

Background

In the process of assembling the LED chips by the LED support, the support in the material box is required to be output by the support supply device so as to continuously provide the support for the support transmission device, and the support transmission device is used for conveying the support to the die bonding position for die bonding operation. The cartridge storage support is adopted, and gaps between adjacent supports in the cartridge are larger, so that the density of the storage support in the cartridge is lower, and the cartridge needs to be replaced frequently. The width and the length of the material box are fixed, so that only the supports with the length and the width matched with the material box can be stored, the supports with different types cannot be compatible, and meanwhile, the compatibility of the whole machine is poor because of the difference of the sizes of the clamps adopted when the different supports are used for die bonding.

Disclosure of Invention

The embodiment of the utility model aims to provide a direct-fork die bonding device, which aims to solve the technical problems of the prior art that the sizes of clamps adopted in die bonding of different brackets are different and the compatibility of the whole machine is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a direct-fork die bonding apparatus including:

a machine table;

the feeding device comprises a first lifting mechanism for driving the fork frame to lift and a material taking mechanism for absorbing the bracket, and the first lifting mechanism and the material taking mechanism are arranged on the machine;

The transmission device is used for conveying the bracket and is arranged on the machine table;

the positioning device is used for clamping and positioning the positions of the pins on the bracket and is arranged on the machine table;

the dispensing device is used for dispensing on the bracket and is arranged on the machine table;

the die bonding device is used for assembling the chip on the bracket and is arranged on the machine table; the method comprises the steps of,

and the receiving device is used for storing the bracket on the fork frame and is arranged on the machine table.

Through adopting first elevating system drive fork frame to go up and down for the high phase-match of fork frame can be with extracting mechanism for extracting mechanism takes out the support of depositing on the fork frame, realizes that the support passes through the fork frame material loading, has improved the storage density of support in the loading attachment, reduces the frequency of changing the fork frame, saves the cost of labor. Through adopting positioner, can block the pin position in the locating support, realize the accurate positioning of pin position to the point that each pair of pin corresponds in the support is glued the position and is glued the uniformity of brilliant position, improves the uniformity of product. Because the pins in the support can keep corresponding with the dispensing positions and the die bonding positions, the positions of the pairs of pins in the supports with different lengths and widths can be clamped and positioned through the positioning device, so that the die bonding requirements of the supports with different types are met, and the compatibility of the whole machine is improved.

In one embodiment, the material taking mechanism comprises a vacuum suction head for sucking the bracket, a first driving component for driving the vacuum suction head to be close to the first lifting mechanism and a first base for supporting the first driving component, wherein the first base is installed on the machine table, and the vacuum suction head is connected with a power output end of the first driving component.

By adopting the technical means, the bracket can be sucked and controlled to move along the width direction of the transmission device.

In one embodiment, the material taking mechanism further comprises a magnetic attraction piece matched with the vacuum suction head to suck the bracket and a first driver for driving the magnetic attraction piece to be far away from the first lifting mechanism, wherein the first driver is arranged on the vacuum suction head, and the magnetic attraction piece is connected with a power output end of the first driver.

By adopting the technical means, the stability of the suction bracket can be improved.

In one embodiment, the positioning device comprises an abutting plate positioned on one side of the transmission device, a positioning fork positioned on the lower side of the abutting plate, a second driving assembly used for driving the abutting plate and the positioning fork, and a second base for supporting the second driving assembly, wherein the second base is installed on the transmission device, and a power output end of the second driving assembly is connected with the abutting plate and the positioning fork.

By adopting the technical means, the positions of the pairs of pins on the bracket can be positioned, so that the position accuracy of the glue and the die bonding of the top end points of the pairs of pins is improved, and the compatibility of different brackets is improved.

In one embodiment, the second base is hinged with a first swing arm connected with the abutting plate and a second swing arm connected with the positioning fork; the second driving assembly comprises a first eccentric wheel, a second eccentric wheel, a crankshaft and a first motor, wherein the first eccentric wheel is in butt joint with the first swing arm, the second eccentric wheel is in butt joint with the second swing arm, the crankshaft supports the first eccentric wheel and the second eccentric wheel, the first motor is used for driving the crankshaft, the first motor is arranged on the second base, and an output shaft of the first motor is connected with the crankshaft; the positioning device further comprises a first tension spring used for pulling the first swing arm to reset and a second tension spring used for pulling the second swing arm to reset, the first tension spring is connected with the first swing arm and the second base, and the second tension spring is connected with the second swing arm and the second base.

By adopting the technical means, the pins can be clamped when the support is pushed to be close to the other side of the transmission track, so that the horizontal position of the pins is locked.

In one embodiment, two clamping teeth are arranged at one end of the positioning fork, which is close to the transmission device, a clamping groove for placing the pin is formed between the two clamping teeth, and the width of the clamping groove gradually increases from one end of the positioning fork, which is far away from the transmission device, to one end of the positioning fork, which is close to the transmission device.

By adopting the technical means, the position accuracy of the pins can be improved.

In one embodiment, the conveying device comprises a conveying track for guiding the support to slide, an input mechanism for conveying the support released by the material taking mechanism to the conveying track, a stirring mechanism for pushing pins of the support to move and an output mechanism for outputting the support to the material receiving device, wherein the input mechanism and the output mechanism are respectively arranged at two ends of the conveying track, and the stirring mechanism and the positioning device are positioned between the input mechanism and the output mechanism.

By adopting the technical means, the bracket can be conveyed through the positioning device.

In one embodiment, the transmission track comprises a transmission track, a first mounting seat for supporting the transmission track, a second mounting seat in sliding connection with the first mounting seat, a first adjusting component for adjusting the height of the first mounting seat, a third mounting seat in sliding connection with the second mounting seat, and a second adjusting component for adjusting the position of the second mounting seat along the width direction of the third mounting seat, wherein the third mounting seat is connected with the machine table; the first adjusting component is arranged on the second mounting seat and is connected with the first mounting seat; the second adjusting component is installed on the third installation seat and is connected with the second installation seat.

By adopting the technical means, the positions of the conveying rail along the Y-axis direction and the Z-axis direction can be adjusted.

In one embodiment, the dispensing device is located at a side of the conveying rail away from the positioning device, and the die bonding device is located at a side of the conveying rail close to the positioning device.

By adopting the technical means, the dispensing and die bonding operations can be performed at the positions where the pins are locked on the bracket.

In one embodiment, the material receiving device comprises a second lifting mechanism for driving the fork frame to lift, a support rail for receiving the support frame output by the transmission device, a second driver for driving the support rail to be close to the second lifting mechanism, a first support for supporting the second driver, a third driver for driving the first support to lift and a second support for supporting the third driver, wherein the second support and the second lifting mechanism are installed on the machine table, a power output end of the third driver is connected with the first support, and a power output end of the second driver is connected with the support rail.

By adopting the technical means, the bracket can be collected on the fork frame, so that the fork frame is prevented from being frequently replaced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a direct-fork die bonding apparatus according to an embodiment of the present application;

fig. 2 is a schematic diagram of a three-dimensional mechanism of a feeding device according to an embodiment of the present application;

FIG. 3 is a schematic view of a portion of the take-off mechanism of FIG. 2;

FIG. 4 is an exploded view of a transmission device and a positioning device according to an embodiment of the present application;

fig. 5 is a schematic diagram of a three-dimensional mechanism of a transmission device and a positioning device according to an embodiment of the present application;

fig. 6 is a schematic perspective view of a transmission track according to an embodiment of the present application;

FIG. 7 is a schematic view of a portion of a positioning device according to an embodiment of the present application;

FIG. 8 is an enlarged view of a partial structure of the abutment plate and the positioning fork in the positioning device;

fig. 9 is a schematic perspective view of a material receiving device according to an embodiment of the present application.

Wherein, each reference sign in the figure:

10-machine;

20-a feeding device; 21-a first lifting mechanism; 211-lifting seat; 212-a lifting drive assembly; 213-fixing seat; 214-a clamping seat; 215-a clamping assembly; 22-a material taking mechanism; 221-vacuum tip; 2211-slit; 222-a first drive assembly; 2221-guide rail; 2222-slider; 2223-connecting block; 2224-belt; 2225-driven wheel; 2226-action wheel; 2227-second motor; 223-a first base; 224-magnetic attraction piece; 225-a first driver; 226-supporting rods; 227-a support plate; 228-a third tension spring; 229-an adjustment block;

30-a transmission device; 31-an input mechanism; 311, a receiving seat; 3110-third chute; 312-a third drive assembly; 313-fourth base; 32-a transfer track; 321-conveying rails; 322-a first mount; 323-a second mount; 324-a first adjustment assembly; 325-a third mount; 326-a second adjustment assembly; 33-a toggle mechanism; 331-first finger; 332-a second carriage; 333-a connecting rod; 334-crank; 335-a third motor; 336-a third base; 34-an output mechanism; 341-a second finger; 342-a third slide; 343-a fourth drive assembly; 344-a fifth base;

40-positioning device; 41-abutting plate; 42-positioning fork; 420-clamping groove; 421-latch; 43-a second drive assembly; 431—a first eccentric; 432-second eccentric; 433-crankshaft; 434-a first motor; 44-a first swing arm; 45-a second swing arm; 46-a second base; 461-a first slider; 462-fourth mount; 463-a third adjustment assembly; 4631-screw; 4632-a support base; 4633-clamping seat; 4634-locking element; 47-a first tension spring; 48-a second tension spring;

50-dispensing device;

60-die bonding device;

70-a receiving device; 71-a second lifting mechanism; 72-supporting rails; 73-a second driver; 74-a first support; 75-a third driver; 76-a second support;

80-a fork frame; 81-a handle; 82-a first support plate; 83-a second support plate; 84-yoke;

90-bracket.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, fig. 2 and fig. 5, a description will be given of a direct-fork die bonding apparatus according to an embodiment of the present application. The straight-fork die bonding equipment comprises a machine table 10, a feeding device 20, a transmission device 30, a positioning device 40, a glue dispensing device 50, a die bonding device 60 and a receiving device 70, wherein the feeding device 20 comprises a first lifting mechanism 21 and a material taking mechanism 22, and the first lifting mechanism 21, the material taking mechanism 22, the feeding device 20, the transmission device 30, the positioning device 40, the glue dispensing device 50, the die bonding device 60 and the receiving device 70 are arranged on the machine table 10. The first lifting mechanism 21 is used for driving the fork frame 80 to lift, and the material taking mechanism 22 is used for sucking the support 90 on the material taking fork frame 80 so as to input the support 90 into the transmission device 30; the conveying device 30 is used for conveying the support 90 to control the support 90 to pass through the positioning device 40; the positioning device 40 is used for clamping the positions of the pins on the positioning bracket 90 so as to accurately position the positions of the pairs of pins in the positioning bracket 90; the dispensing device 50 is used for dispensing on the bracket 90; the die bonding apparatus 60 is used for assembling the chip on the bracket 90; the receiving device 70 is used to store the rack 90 on the fork carriage 80. Through adopting first elevating system 21 drive fork 80 to go up and down for the height of fork 80 can be with the high assorted of taking out mechanism 22, so that take out mechanism 22 takes out the support 90 of depositing on the fork 80, realize that support 90 passes through the fork 80 material loading, improved the storage density of support 90 in loading attachment 20, reduce the frequency of changing fork 80, save the cost of labor. By adopting the positioning device 40, the pin positions in the positioning bracket 90 can be clamped, so that the accurate positioning of the pin positions is realized, the consistency of the dispensing positions and the die bonding positions corresponding to the pins in the bracket 90 is conveniently maintained, and the consistency of products is improved. Because the pins in the bracket 90 can keep corresponding with the dispensing position and the die bonding position, the positioning device 40 can clamp and position the positions of the pairs of pins in the brackets 90 with different lengths and widths, thereby being compatible with the die bonding requirements of the brackets 90 with different models and improving the compatibility of the whole machine.

In one embodiment of the present application, referring to fig. 1, 2 and 9, the fork 80 includes a handle 81, a first support plate 82, a second support plate 83 and a fork arm 84, the fork arm 84 is used for forking the support 90, the first support plate 82 is connected with one end of the fork arm 84 away from the picking mechanism 22, the second support plate 83 supports the first support plate 82, the handle 81 is mounted on one side of the first support plate 82 away from the fork arm 84, and the second support plate 83 is detachably connected with the first lifting mechanism 21. The fork rack 80 is convenient to replace by adopting the handle 81 to be conveniently held, so that the bracket 90 can be replaced and the material is fed after the bracket 90 in the fork rack 80 is completely taken out.

Alternatively, the number of the fork arms 84 is multiple, the multiple fork arms 84 in each group are arranged along the length direction of the first support plate 82, the multiple fork arms 84 are arranged side by side along the width direction of the first support plate 82, and the multiple fork arms 84 are arranged at intervals.

Alternatively, the number of prongs 84 in each set is two, so that both ends of the bracket 90 in the length direction X can be inserted respectively to keep the bracket 90 stable. The length direction of the first support plate 82 is the same as the length direction X of the bracket 90, and the width direction of the first support plate 82 is the same as the width direction Z of the bracket 90.

In an embodiment of the present application, referring to fig. 1 and 2, the first lifting mechanism 21 includes a lifting base 211, a lifting driving assembly 212 and a fixing base 213, the lifting driving assembly 212 is used for driving the lifting base 211 to lift, the fixing base 213 supports the lifting driving assembly 212, the fixing base 213 is connected to the machine 10, and a power output end of the lifting driving assembly 212 is connected to the lifting base 211.

Optionally, the lifting base 211 is used to support the fork carriage 80. In this way, the elevation position of the fork 80 can be adjusted. The lift drive assembly 212 may be a conventional linear drive assembly, and is not described in detail herein.

In one embodiment, the lifting seat 211 is provided with a plurality of clamping seats 214, each clamping seat 214 is used for respectively clamping and positioning the fork 80, and the plurality of clamping seats 214 are arranged side by side and at intervals along the height direction of the lifting seat 211. Thus, the multi-layer fork rack 80 can be loaded, and the fork rack 80 is replaced without stopping, so that continuous feeding of the support 90 is realized. The height direction of the lifting base 211 is the same as the width direction Z of the bracket 90.

Alternatively, referring to fig. 1 to 3, a positioning groove for placing the bottom of the feed fork 80 is formed in the clamping seat 214, and a clamping assembly 215 is mounted on one side of the positioning groove of the clamping seat 214, and the clamping assembly 215 is used for clamping the feed fork 80 in cooperation with the side wall of the positioning groove. Thus, when the bottom of the fork frame 80 is placed in the positioning groove, the clamping assembly 215 can clamp the fork frame 80, so that the fork frame 80 is prevented from moving in the feeding process, and the stability of the horizontal position of the bracket 90 is ensured. Specifically, the second support plate 83 is engaged with a positioning groove, an opening is formed in a side, close to the material taking mechanism 22, of the positioning groove, and the clamping assembly 215 is mounted on a side, close to the material taking mechanism 22, of the clamping seat 214, so that the material fork 80 can be conveniently installed on a side, far from the material taking mechanism 22, of the clamping seat 214.

Optionally, the lifting seat 211 includes a first grid plate, a second grid plate, a first vertical plate and a second vertical plate, the second vertical plate is slidably connected with the fixing seat 213, the power output end of the lifting driving assembly 212 is connected with the second vertical plate, the second vertical plate supports the first grid plate, and the first vertical plate is connected with the side edge of the first grid plate and the side edge of the second grid plate; the first grid plate is provided with a clamping seat 214, and the second grid plate is provided with a clamping seat 214. In this way, the fork 80 can be conveniently taken out or put in from one side of the lifting seat 211 far away from the material taking mechanism 22, and the feeding of the double-layer fork 80 can be realized. Of course, in other embodiments of the present application, the number of second grid plates may be plural, so that the multi-layered fork carriage 80 can be loaded at the same time.

In one embodiment of the present application, referring to fig. 1 to 3, the clamping assembly 215 includes an abutment block, a sliding rod, a limiting seat and a spring, the sliding rod is mounted on one side of the abutment block away from the positioning slot, the limiting seat slidably supports the sliding rod, the spring is used for pushing the abutment block to move towards the positioning slot, the spring is sleeved on the sliding rod, and two ends of the spring are respectively connected with the abutment block and the limiting seat in an abutting manner. When the fork 80 is loaded in this way, the abutting block automatically abuts against the second support plate 83, and the second support plate 83 is automatically clamped in the positioning groove.

In one embodiment of the present application, referring to fig. 1 to 3, the material taking mechanism 22 includes a vacuum suction head 221, a first driving component 222 and a first base 223, the vacuum suction head 221 is used for sucking the bracket 90 on the fork frame 80, the first driving component 222 is used for driving the vacuum suction head 221 to approach the first lifting mechanism 21, the first base 223 supports the first driving component 222, the first base 223 is mounted on the machine table 10, and the vacuum suction head 221 is connected with a power output end of the first driving component 222. In this way, the vacuum cleaner head 221 can be controlled to take out the rack 90 on the fork carriage 80, so as to facilitate loading of the rack 90.

In one embodiment of the present application, referring to fig. 1 and 2, the first driving assembly 222 includes a guide rail 2221, a slider 2222, a connection block 2223, a driven wheel 2225, a driving wheel 2226, a belt 2224 and a second motor 2227, the slider 2222 is mounted on the first base 223, the guide rail 2221 is slidably connected with the slider 2222, one end of the guide rail 2221 is mounted with the connection block 2223, and the other end of the guide rail 2221 is connected with the vacuum cleaner head 221; from driving wheel 2225 and action wheel 2226 cooperation support belt 2224, belt 2224 links to each other with connecting block 2223, and belt 2224 is used for driving connecting block 2223 to remove, and second motor 2227 is installed on first base 223, and second motor 2227 links to each other with action wheel 2226, and from driving wheel 2225 rotates and installs on first base 223, and second motor 2227 is used for driving action wheel 2226 to rotate. Thus, when the second motor 2227 drives the belt 2224 to move, the connecting block 2223 can be driven to translate, so that the guide rail 2221 drives the material taking mechanism 22 to approach or depart from the fork 80, so that the bracket 90 outside the fork 80 can be conveniently taken off the fork arm 84. Of course, in other embodiments of the present application, the first driving assembly 222 may also be another linear driving assembly, such as a linear motor.

In one embodiment of the present application, referring to fig. 1-3, the extracting mechanism 22 further includes a magnetic attraction member 224 and a first driver 225, the first driver 225 is mounted on the vacuum suction head 221, the first driver 225 is used for driving the magnetic attraction member 224 away from the first lifting mechanism 21, the magnetic attraction member 224 is connected with a power output end of the first driver 225, and the magnetic attraction member 224 is used for being matched with the vacuum suction head 221 to suck the bracket 90. Thus, the magnetic attraction piece 224 can be matched with the vacuum suction head 221, so that the stability of the bracket 90 when moving can be enhanced. When the material taking mechanism 22 approaches the bracket 90, the magnetic force of the magnetic attraction piece 224 can pull the bracket 90 to approach the vacuum suction head 221 so that the vacuum suction head 221 can absorb the bracket 90 and the stability of the bracket 90 is ensured; when the bracket 90 is released, the first driver 225 drives the magnetic attraction piece 224 to be far away from the fork frame 80, so that the magnetic attraction piece 224 is far away from the bracket 90, and at the moment, the vacuum suction head 221 releases vacuum, so that the bracket 90 can be released, and the magnetic force of the magnetic attraction piece 224 is prevented from interfering with the release of the bracket 90.

In one embodiment of the present application, referring to fig. 3, a slit 2211 for sucking the rack 90 is formed at a side of the vacuum suction head 221 adjacent to the first elevating mechanism 21, and the slit 2211 is disposed along a length direction of the vacuum suction head 221. Through the cooperation of slit 2211 and the horizontal bar on the support 90, on the one hand can avoid leaking the vacuum, on the other hand can increase the adsorption area, improves the absorptive stability of support 90.

In one embodiment of the present application, referring to fig. 1 to 3, the material taking mechanism 22 further includes a supporting rod 226 and a supporting plate 227, the magnetic attraction member 224 is installed at one end of the supporting rod 226 near the first lifting mechanism 21, the supporting plate 227 is connected to the other end of the supporting rod 226, the supporting rod 226 is slidably inserted into the vacuum suction head 221, the supporting plate 227 is slidably connected to the vacuum suction head 221, and the power output end of the first driver 225 is connected to the supporting plate 227. Thus, the support plate 227 is slidably connected to the vacuum suction head 221, so that the magnetic attraction piece 224 can be controlled to move linearly, and the stability of the movement of the magnetic attraction piece 224 can be improved. Alternatively, the first driver 225 may be a cylinder or the like, so as to control the linear movement of the magnetic attraction member 224.

Optionally, the number of the supporting rods 226 is plural, the plurality of supporting rods 226 are disposed along the length direction of the vacuum suction head 221, and the magnetic attraction member 224 is installed at one end of each supporting rod 226 near the fork frame 80, so that the magnetic force intensity can be improved and the magnetic force distribution can be made uniform. The longitudinal direction of the vacuum cleaner head 221 is the same as the longitudinal direction X of the holder 90.

Optionally, a limiting rod is mounted on the side of the vacuum suction head 221 away from the first lifting mechanism 21, and the middle part of the limiting rod is slidably inserted on the supporting plate 227. In this way, the support plate 227 can be guided to move in a straight line, the stability of the support plate 227 is improved, and the support rod 226 is restricted from being separated from the vacuum suction head 221.

Optionally, the extracting mechanism 22 further includes a third tension spring 228, where the third tension spring 228 connects the vacuum suction head 221 and the support plate 227, so that when the first driver 225 releases the pushing force on the support plate 227, the third tension spring 228 can pull the support rod 226 to extend toward the fork 80. The number of the third tension springs 228 is two, and the two third tension springs 228 are respectively located at two sides of the first driver 225, so that the moving stability of the support plate 227 can be improved.

In one embodiment of the present application, referring to fig. 3, the number of the magnetic attraction pieces 224 is two, and the two magnetic attraction pieces 224 are respectively located at two ends of the vacuum suction head 221 in the length direction. By adopting two magnetic attraction pieces 224, the two ends of the bracket 90 can be respectively attracted, and the stability of the bracket 90 is improved.

In one embodiment of the present application, referring to fig. 1-3, the take-off mechanism 22 further includes an adjustment block 229 for adjusting the position of the vacuum nozzle 221, the adjustment block 229 including a transverse plate for slidably supporting the vacuum nozzle 221 and a locking member for locking the position of the vacuum nozzle 221 to the transverse plate, the transverse plate being coupled to the power output of the first drive assembly 222. In this way, the position of the vacuum cleaner head 221 in the X-axis direction can be adjusted to accommodate brackets 90 of different lengths.

Optionally, a first chute is formed on the transverse plate, a fixed block is slidably mounted in the first chute, and the locking member is connected to the vacuum suction head 221 and the fixed block. The locking piece can be a bolt, and a threaded hole matched with the bolt can be formed in the fixed block. In this way, the vacuum cleaner head 221 can be locked to the position of the transverse plate when the bolts are fastened.

Optionally, a second chute is formed in the transverse plate, and a sliding pin is mounted on the vacuum suction head 221 and is slidably inserted into the second chute. In this way, the sliding pin can be engaged with the second slide groove, thereby improving the stability of the position of the vacuum cleaner head 221 when it slides.

In one embodiment of the present application, referring to fig. 5, 7 and 8, the positioning device 40 includes an abutment plate 41, a positioning fork 42, a second driving assembly 43 and a second base 46, the positioning fork 42 and the abutment plate 41 are located at one side of the transmission device 30, the positioning fork 42 is located at the lower side of the abutment plate 41, the second driving assembly 43 is used for driving the abutment plate 41 and the positioning fork 42, the second base 46 supports the second driving assembly 43, the second base 46 is mounted on the transmission device 30, and a power output end of the second driving assembly 43 is connected with the abutment plate 41 and the positioning fork 42. The abutting plate 41 can abut against the other side of the bracket 90, which is close to the transmission device 30, and the positioning fork 42 forks pins, so that the pins are positioned along the X axis and the Y axis. Thus, when each pair of pins passes through the positioning device 40, the positioning device 40 can quickly lock the corresponding pin positions, so that each pair of pins can be positioned at the same plane position during die bonding, the accuracy of the die bonding position is improved, fine differences of the die bonding positions caused by deviation generated by the movement of the die bonding device 60 along the length direction X of the bracket 90 are avoided, the consistency of the die bonding positions on the brackets 90 is ensured, and the consistency of products is improved.

In one embodiment of the present application, referring to fig. 5, 7 and 8, a first swing arm 44 connected to the abutment plate 41 and a second swing arm 45 connected to the positioning fork 42 are hinged on the second base 46; the second driving assembly 43 includes a first eccentric 431 abutting against the first swing arm 44, a second eccentric 432 abutting against the second swing arm 45, a crankshaft 433 supporting the first eccentric 431 and the second eccentric 432, and a first motor 434 for driving the crankshaft 433, the first motor 434 is mounted on the second base 46, and an output shaft of the first motor 434 is connected with the crankshaft 433. This allows to control the positioning fork 42 to get closer to the bracket 90 in synchronism with the abutment plate 41.

Optionally, the positioning device 40 further includes a first tension spring 47 for pulling the first swing arm 44 to reset and a second tension spring 48 for pulling the second swing arm 45 to reset, the first tension spring 47 is connected to the first swing arm 44 and the second base 46, and the second tension spring 48 is connected to the second swing arm 45 and the second base 46. In this way, the first swing arm 44 can be made to abut against the first eccentric 431, and the second swing arm 45 is made to abut against the second eccentric 432. Specifically, the middle part of the first swing arm 44 is hinged with the second base 46, one end of the first swing arm 44 is connected with the abutting plate 41, and the other end of the first swing arm 44 is supported on the first eccentric wheel 431; the middle part of the second swing arm 45 is hinged with the second base 46, one end of the second swing arm 45 is connected with the positioning fork 42, and the other end of the second swing arm 45 is supported on the second eccentric wheel 432. When the first motor 434 drives the crankshaft 433 to rotate, the crankshaft 433 drives the first eccentric wheel 431 and the second eccentric wheel 432 to eccentrically rotate, and the first eccentric wheel 431 pushes the first swing arm 44 to swing so as to drive the abutting plate 41 to push the bracket 90 to move; meanwhile, the second eccentric wheel 432 pushes the second swing arm 45 to swing, and drives the positioning fork 42 to position the pin, so that the synchronous positioning of the bracket 90 along the length direction and the width direction Y of the transmission device 30 is realized. Alternatively, the first eccentric 431 and the second eccentric 432 may be bearings, so that wear can be reduced and positional accuracy can be improved.

In one embodiment, referring to fig. 5, 7 and 8, the abutting plate 41 is disposed along the length direction of the conveying device 30, two ends of the abutting plate 41 are respectively provided with a chamfer, and the chamfer is located at one side of the abutting plate 41 close to the conveying device 30. In this way, the bracket 90 can be prevented from being caught by both ends of the abutting plate 41, so that the bracket 90 can slide along the length direction of the transmission device 30.

In an embodiment of the present application, referring to fig. 5, 7 and 8, two latches 421 are disposed at one end of the positioning fork 42 near the transmission device 30, and a slot 420 for placing pins is formed between the two latches 421, and the width of the slot 420 gradually increases from one end of the positioning fork 42 far from the transmission device 30 to one end of the positioning fork 42 near the transmission device 30. Thus, when the positioning fork 42 forks the pins, the pins can be gradually guided to enter the bottom of the clamping groove 420, so as to improve the positioning accuracy.

In an embodiment of the present application, referring to fig. 4, 5 and 6, the second base 46 includes a first sliding seat 461, a fourth mounting seat 462 and a third adjusting component 463, the fourth mounting seat 462 is mounted on the conveying device 30, the first sliding seat 461 is slidably mounted on the fourth mounting seat 462, the second driving component 43 is mounted on the first sliding seat 461, the third adjusting component 463 is used for adjusting a position of the first sliding seat 461 along a length direction of the conveying device 30, the third adjusting component 463 is mounted on the machine table 10, and the third adjusting component 463 is connected with the first sliding seat 461. In this way, the position of the positioning device 40 along the length direction of the conveying device 30 can be finely adjusted by the third adjusting assembly 463 so as to match with the die bonding position. Specifically, the first swing arm 44 and the second swing arm 45 are hingedly connected to the first slider 461, the first motor 434 is mounted on the first slider 461, and the first tension spring 47 and the second tension spring 48 are connected to the first slider 461. In this way, the positions of the abutment plate 41, the positioning fork 42 and the second drive assembly 43 can be kept relatively fixed.

In one embodiment, referring to fig. 4, 5 and 6, the third adjusting component 463 includes a screw 463, a supporting seat 4632, a clamping seat 4633 and a locking element 4634, the screw 4631 is connected with the first sliding seat 461, the supporting seat 4632 is in threaded engagement with the screw 4631, the clamping seat 4633 rotates to support the screw 4631, the locking element 4634 is used for locking the clamping seat 4633 with the screw 4631, and the locking element 4634 is connected with the clamping seat 4633. By adopting the screw 4631 to be matched with the supporting seat 4632, the position of the first sliding seat 461 can be accurately adjusted; by employing the locking member 4634, the position of the screw 4631 can be locked after the position of the first slide 461 is adjusted, preventing the screw 4631 from loosening, resulting in a change in the position of the first slide 461.

In one embodiment of the present application, referring to fig. 1, 4 and 5, the conveying device 30 includes an input mechanism 31, a conveying track 32, a toggle mechanism 33 and an output mechanism 34, the conveying track 32 is used for guiding the support 90 to slide laterally (as shown in fig. 5), the input mechanism 31 is used for conveying the support 90 released by the material taking mechanism 22 to the conveying track 32, the toggle mechanism 33 is used for pushing pins of the support 90 to move, the output mechanism 34 is used for outputting the support 90 to the material receiving device 70, the input mechanism 31 and the output mechanism 34 are respectively installed at two ends of the conveying track 32, and the toggle mechanism 33 and the positioning device 40 are located between the input mechanism 31 and the output mechanism 34. This can increase the transmission speed of the two ends of the transmission device 30 and ensure the position accuracy of the support 90 passing through the positioning device 40, so that the positioning device 40 sequentially clamps and positions the pairs of pins.

In an embodiment of the present application, referring to fig. 4 and 5, the input mechanism 31 includes a receiving seat 311, a third driving assembly 312 and a fourth base 313, the receiving seat 311 has a third chute 3110, the third chute 3110 is used for receiving the bracket 90, the third driving assembly 312 is used for driving the bracket 90 to slide, the third driving assembly 312 is mounted on the fourth base 313, the receiving seat 311 is mounted on the fourth base 313, and a power output end of the third driving assembly 312 extends into the third chute 3110. As such, when the rack 90 falls into the third chute 3110, the third drive assembly 312 can push the rack 90 toward the transfer rail 32, delivering the rack 90 into the transfer rail 32.

Alternatively, the width (the dimension in the Y-axis direction) of the top of the third chute 3110 gradually increases toward a direction away from the bottom of the third chute 3110. The third chute 3110 is provided along the length direction of the transfer device 30, and the width of the top of the third chute 3110 is gradually increased upward, so that the bracket 90 can be conveniently dropped into the third chute 3110.

Optionally, the third drive assembly 312 includes a push arm, a slide mount, a first pulley, a second pulley, a drive belt, and a fourth motor; the pushing arm stretches into the third sliding groove 3110, the sliding seat supports the pushing arm, the sliding seat is connected with the fourth base 313 in a sliding mode, the driving belt is connected with the sliding seat, the driving belt is supported through cooperation of the first belt pulley and the second belt pulley, the first belt pulley is rotatably mounted on the fourth base 313, the fourth motor is mounted on the fourth base 313, and a rotating shaft of the fourth motor is connected with the second belt pulley. Thus, the sliding seat can be driven to move linearly. Of course, in other embodiments, the third driving assembly 312 may be a linear driver such as a cylinder, a linear motor, or the like, or the same or similar structure as the first driving assembly 222, so as to control the pushing arm to move linearly.

Optionally, the toggle mechanism 33 is used to push each pair of pins of the stand 90 sequentially through the positioning device 40, that is, the stroke of pushing the stand 90 by the toggle mechanism 33 each time is consistent with the distance between two adjacent pairs of pins on the stand 90. In this way, the toggle mechanism 33 cooperates with the positioning device 40 to enable sequential positioning of the positions of the pins of each pair in the bracket 90.

In an embodiment of the present application, referring to fig. 4 and 5, the toggle mechanism 33 includes a first finger 331, a second slider 332, a connecting rod 333, a crank 334, a third motor 335 and a third base 336, where the second slider 332 supports the first finger 331, one end of the connecting rod 333 is hinged to the second slider 332, the crank 334 is hinged to the other end of the connecting rod 333, the third motor 335 is used for driving the crank 334 to rotate, the third motor 335 is mounted on the third base 336, a rotating shaft of the third motor 335 is connected to the crank 334, and the second slider 332 is slidably connected to the third base 336. Thus, the crank 334 drives the connecting rod 333 to make the first finger 331 move reciprocally periodically, so that the distance of each pushing of the bracket 90 is matched with the distance between two adjacent pairs of pins on the bracket 90, so as to push each pair of pins to pass through the positioning device 40 in sequence. Alternatively, the first finger 331 may be configured like a pawl to avoid moving the support 90 in the opposite direction during the reset.

In one embodiment, referring to fig. 1, 4 and 5, the number of the toggle mechanisms 33 is two, and the two toggle mechanisms 33 are respectively located at two sides of the positioning device 40. This enables each pair of pins at both ends of the bracket 90 to be sequentially moved to the corresponding positions of the positioning device 40 when each bracket 90 passes through the positioning device 40.

Alternatively, third base 336 may be configured identically or similarly to second base 46 to facilitate fine adjustment of the position of first finger 331.

In an embodiment of the present application, referring to fig. 4 and 5, the output mechanism 34 includes a second finger 341, a third sliding seat 342, a fourth driving assembly 343 and a fifth base 344, the third sliding seat 342 supports the second finger 341, the fourth driving assembly 343 is used for driving the third sliding seat 342 to move along the length direction of the transmission device 30, the fourth driving assembly 343 is mounted on the fifth base 344, the third sliding seat 342 is slidably connected with the fifth base 344, and a power output end of the fourth driving assembly 343 is connected with the third sliding seat 342. Thus, when the fourth driving component 343 pushes the third sliding base 342 to slide on the fifth base 344 along the length direction of the conveying device 30, the second finger 341 can push the bracket 90 to output. Alternatively, second finger 341 may be of the same or similar construction as first finger 331.

Alternatively, the fourth drive assembly 343 includes a structure that may be the same or similar to the third drive assembly 312.

In one embodiment of the present application, referring to fig. 4 to 6, the transmission track 32 includes a transmission track 321, a first mounting seat 322, a second mounting seat 323, a first adjusting assembly 324, a third mounting seat 325, and a second adjusting assembly 326, where the transmission track 321 is mounted on the first mounting seat 322, and the third mounting seat 325 is connected to the machine 10. The first mount pad 322 and second mount pad 323 sliding connection, first mount pad 322 can go up and down on second mount pad 323, and first adjusting component 324 is used for adjusting the high position of first mount pad 322 on second mount pad 323, and first adjusting component 324 installs on first mount pad 322, and first adjusting component 324 links to each other with second mount pad 323. The second mounting seat 323 is slidably connected with the third mounting seat 325, the second adjusting component 326 is mounted on the third mounting seat 325, the second adjusting component 326 is connected with the second mounting seat 323, and the second adjusting component 326 is used for adjusting the position of the second mounting seat 323 along the length direction of the conveying rail 321. In this way, the position of the conveying rail 321 can be adjusted to match the height and distance of the third chute 3110.

Alternatively, the first adjustment assembly 324 and the second adjustment assembly 326 may be of the same or similar construction as the third adjustment assembly 463, thus enabling precise adjustment of the position of the conveyor rail 321.

In an embodiment of the present application, referring to fig. 1 and 5, the dispensing device 50 is located on a side of the conveying rail 321 away from the positioning device 40, and the die bonding device 60 is located on a side of the conveying rail 321 close to the positioning device 40. Thus, when the positioning device 40 fixes the position of the bracket 90, the dispensing and die bonding operations can be performed on the top ends of the pair of pins fixed by the positioning device 40, so that the uniformity of the dispensing and die bonding positions is prevented from being affected by the movement of the bracket 90.

In one embodiment of the present application, referring to fig. 1 and 9, the material receiving device 70 includes a second lifting mechanism 71, a support rail 72, a second driver 73, a first support 74, a third driver 75 and a second support 76; the second lifting mechanism 71 is used for driving the fork frame 80 to lift; the support rail 72 is used for receiving a bracket 90 output by the transmission device 30; the second driver 73 is used for driving the support rail 72 to approach the second lifting mechanism 71, the second driver 73 is arranged on the first support 74, and the power output end of the second driver 73 is connected with the support rail 72; the third driver 75 is used for driving the first support 74 to lift, the third driver 75 is installed on the second support 76, and the power output end of the third driver 75 is connected with the first support 74. Such that the support rail 72 receives the rack 90, the rack 90 can be moved in the width direction and the height direction of the transfer device 30 to facilitate the storage of the rack 90 on the fork carriage 80.

Alternatively, the second elevating mechanism 71 may be of the same or similar structure as the first elevating mechanism 21, so that the height of the fork carriage 80 on the second elevating mechanism 71 can be controlled to match the height of the support rail 72.

Alternatively, the first support 74 is slidably connected to the second support 76, and the support rail 72 is slidably connected to the first support 74, so that the stability of the movement of the support rail 72 can be improved.

Optionally, the support rail 72 is provided with a fourth sliding groove, which is used for sliding and inserting the bottom of the bracket 90, and is disposed along the length direction of the transmission device 30. Thus, after the support rail 72 is docked with the transfer device 30, the carriage 90 may be output to the fourth chute for movement of the carriage 90.

In one embodiment of the present application, referring to fig. 1, the die bonding apparatus 60 includes a die ring supply mechanism, a rotation mechanism, a thimble mechanism and a die bonding mechanism, wherein the die ring supply mechanism is used for providing a die ring, the rotation mechanism is used for adjusting a rotation angle of the die ring, the thimble mechanism is used for jacking up a chip on the die ring, and the die bonding mechanism is used for assembling the chip on the die ring on the bracket 90. Thus, automatic die bonding can be realized. The die bonding apparatus 60 may be of a conventional structure, and will not be described herein.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. A direct fork die bonding apparatus comprising:

a machine (10);

the feeding device (20) comprises a first lifting mechanism (21) for driving the fork frame (80) to lift and a material taking mechanism (22) for sucking the bracket (90), and the first lifting mechanism (21) and the material taking mechanism (22) are arranged on the machine table (10);

the transmission device (30) is used for conveying the bracket (90), and the transmission device (30) is arranged on the machine table (10);

the positioning device (40) is used for clamping and positioning the positions of the pins on the bracket (90), and the positioning device (40) is arranged on the machine table (10);

the dispensing device (50) is used for dispensing on the bracket (90), and the dispensing device (50) is arranged on the machine table (10);

the die bonding device (60) is used for assembling a chip on the bracket (90), and the die bonding device (60) is arranged on the machine table (10); the method comprises the steps of,

and the receiving device (70) is used for storing the bracket (90) on the fork frame (80), and the receiving device (70) is arranged on the machine table (10).

2. The direct-fork die bonding apparatus according to claim 1, wherein: the material taking mechanism (22) comprises a vacuum suction head (221) used for sucking the bracket (90), a first driving component (222) used for driving the vacuum suction head (221) to be close to the first lifting mechanism (21) and a first base (223) supporting the first driving component (222), the first base (223) is installed on the machine table (10), and the vacuum suction head (221) is connected with a power output end of the first driving component (222).

3. The direct-fork die bonding apparatus according to claim 2, wherein: the material taking mechanism (22) further comprises a magnetic attraction piece (224) matched with the vacuum suction head (221) to suck the bracket (90) and a first driver (225) used for driving the magnetic attraction piece (224) to be far away from the first lifting mechanism (21), the first driver (225) is installed on the vacuum suction head (221), and the magnetic attraction piece (224) is connected with a power output end of the first driver (225).

4. The direct-fork die bonding apparatus according to claim 1, wherein: the positioning device (40) comprises an abutting plate (41) positioned on one side of the transmission device (30), a positioning fork (42) positioned on the lower side of the abutting plate (41), a second driving assembly (43) used for driving the abutting plate (41) and the positioning fork (42) and a second base (46) used for supporting the second driving assembly (43), the second base (46) is installed on the transmission device (30), and the power output end of the second driving assembly (43) is connected with the abutting plate (41) and the positioning fork (42).

5. The direct-fork die bonding apparatus according to claim 4, wherein: a first swing arm (44) connected with the abutting plate (41) and a second swing arm (45) connected with the positioning fork (42) are hinged on the second base (46);

the second driving assembly (43) comprises a first eccentric wheel (431) abutted with the first swing arm (44), a second eccentric wheel (432) abutted with the second swing arm (45), a crankshaft (433) supporting the first eccentric wheel (431) and the second eccentric wheel (432) and a first motor (434) for driving the crankshaft (433), the first motor (434) is mounted on the second base (46), and an output shaft of the first motor (434) is connected with the crankshaft (433);

the positioning device (40) further comprises a first tension spring (47) for pulling the first swing arm (44) to reset and a second tension spring (48) for pulling the second swing arm (45) to reset, the first tension spring (47) is connected with the first swing arm (44) and the second base (46), and the second tension spring (48) is connected with the second swing arm (45) and the second base (46).

6. The direct-fork die bonding apparatus according to claim 4, wherein: two clamping teeth (421) are arranged at one end, close to the transmission device (30), of the positioning fork (42), and a clamping groove (420) for placing the pins is formed between the two clamping teeth (421); the width of the clamping groove (420) is gradually increased from one end of the locating fork (42) far away from the transmission device (30) to one end of the locating fork (42) close to the transmission device (30).

7. The direct-fed die attach apparatus according to any one of claims 1 to 6, wherein: the conveying device (30) comprises a conveying track (32) for guiding the support (90) to slide, an input mechanism (31) for conveying the support (90) released by the material taking mechanism (22) to the conveying track (32), a toggle mechanism (33) for pushing pins of the support (90) to move, and an output mechanism (34) for outputting the support (90) to the material receiving device (70), wherein the input mechanism (31) and the output mechanism (34) are respectively installed at two ends of the conveying track (32), and the toggle mechanism (33) and the positioning device (40) are located between the input mechanism (31) and the output mechanism (34).

8. The direct-fork die bonding apparatus according to claim 7, wherein: the conveying track (32) comprises a conveying track (321), a first mounting seat (322) for supporting the conveying track (321), a second mounting seat (323) in sliding connection with the first mounting seat (322), a first adjusting component (324) for adjusting the height of the first mounting seat (322), a third mounting seat (325) in sliding connection with the second mounting seat (323) and a second adjusting component (326) for adjusting the position of the second mounting seat (323) along the width direction of the third mounting seat (325), wherein the third mounting seat (325) is connected with the machine table (10); the first adjusting component (324) is arranged on the second mounting seat (323), and the first adjusting component (324) is connected with the first mounting seat (322); the second adjusting component (326) is mounted on the third mounting seat (325), and the second adjusting component (326) is connected with the second mounting seat (323).

9. The direct-fork die bonding apparatus according to claim 8, wherein: the dispensing device (50) is located at one side of the conveying rail (321) far away from the positioning device (40), and the die bonding device (60) is located at one side of the conveying rail (321) near to the positioning device (40).

10. The direct-fed die attach apparatus according to any one of claims 1 to 6, wherein: the material collecting device (70) comprises a second lifting mechanism (71) for driving the fork frame (80) to lift, a support rail (72) for receiving the support (90) output by the transmission device (30), a second driver (73) for driving the support rail (72) to be close to the second lifting mechanism (71), a first support (74) for supporting the second driver (73), a third driver (75) for driving the first support (74) to lift and a second support (76) for supporting the third driver (75), wherein the second support (76) and the second lifting mechanism (71) are arranged on the machine table (10), a power output end of the third driver (75) is connected with the first support (74), and a power output end of the second driver (73) is connected with the support rail (72).