CN116275737A

CN116275737A - Welding fixture for capacitor chip

Info

Publication number: CN116275737A
Application number: CN202310345102.6A
Authority: CN
Inventors: 刘世军; 唐贾林
Original assignee: Sichuan Terui Xiang Polytron Technologies Inc
Current assignee: Sichuan Terui Xiang Polytron Technologies Inc
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-23

Abstract

The invention relates to the technical field of chip welding, in particular to a capacitor chip welding fixture, which comprises a base and a connecting block, wherein a transmission mechanism is arranged above the base, a group of symmetrically arranged limiting mechanisms are arranged above the transmission mechanism, each limiting mechanism comprises a stand column, an extension plate, a mounting seat, a pushing cylinder, a telescopic rod and a limiting plate, one opposite side of each stand column is fixedly connected with the extension plate, the mounting seat is arranged above each extension plate through a bolt, and a detection system and a self-checking system are arranged at the outer side position of one mounting seat.

Description

Welding fixture for capacitor chip

Technical Field

The invention relates to the technical field of chip welding, in particular to a capacitor chip welding fixture.

Background

Chips, also known as microcircuits, microchips, and integrated circuits, refer to silicon chips that contain integrated circuits, and are small in size, often part of a computer or other electronic device; if CPU is liked as heart of whole computer system, then the chip group on the main board is trunk of whole body, for main board, the chip group almost decides the function of the main board, so as to influence the performance of whole computer system, the chip group is soul of main board, when welding chip on circuit board, it is necessary to clamp circuit board, and then weld chip;

the invention discloses a die welding fixture jig with the Chinese patent application number of CN202020211507.2, which comprises a connecting screw, a fixing plate, a compression nut, a sliding rail, a clamping groove, a fixing claw and a compression screw; according to the fixture, the problem of circuit board damage caused by uneven stress or overlarge stress on the circuit board is solved, and the rotation and turnover of a workpiece are realized;

the above comparative document has the following problems:

(1) The existing welding jig mainly depends on manual force of nuts and screws as connecting and fixing parts, frequent unscrewing and tightening are needed during operation, the manual dependency degree is high, the automation degree is low, and the welding efficiency of chips is low;

(2) The existing welding jig cannot be adjusted in height, so that operators with different height requirements need to adjust the body of the operators to work nearby, the welding jig is tired for a long time, and the practicability of the device is low;

(3) After the chip welding work is finished, the accuracy condition of the chip welding cannot be judged at the first time, so that the production benefit of the chip is low;

(4) The requirement on the welding precision of the chip is high, some welding points cannot be judged by naked eyes, so that the probability of chip error scrapping is improved, and the production cost of enterprises is increased.

Disclosure of Invention

The invention aims to provide a capacitor chip welding fixture to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a condenser chip welding frock tool, includes base and connecting block, the top of base is equipped with drive mechanism, drive mechanism's top is equipped with the stop gear that a set of symmetry set up, two stop gear all includes stand, extension board, mount pad, pushing cylinder, telescopic link and limiting plate, two stand fixed mounting respectively is in the top of two connecting blocks, two the equal fixedly connected with extension board of one side that the stand is relative, two all run through the assembly groove of having seted up a vertical setting on the extension board, two the mount pad is all installed through the bolt in the top of extension board, one of them the outside position of mount pad is equipped with detecting system and self-checking system, two the equal fixed mounting in topside position of mount pad inner chamber has a pushing cylinder, two the equal fixedly connected with telescopic link of one end that the mount pad was kept away from to the pushing cylinder, two the telescopic link runs through the equal fixedly connected with of end position of two assembly grooves a limiting plate, two the limiting plate is opening decurrent L shape setting.

Preferably, the drive mechanism includes threaded rod, double-end motor and welding bench, a double-end motor is installed to welding bench inner chamber's middle part position, a threaded rod is installed through the bearing respectively to double-end motor's both sides position, two the tip key of threaded rod respectively with two output fixed connection of double-end motor, two the threaded rod respectively with two connecting block screw thread fit, the spout rather than the length direction unanimity has been seted up to pedestal inner chamber's bottom side position, the spout respectively with two connecting block sliding fit.

Preferably, the base includes pedestal, first motor, revolving stage, electric putter and bearing seat, the top fixed mounting of bearing seat has a plurality of electric putter, and is a plurality of the top fixedly connected with same pedestal of electric putter, first motor is installed to the topside position of pedestal inner chamber, install the revolving stage through the bearing on the pedestal, the tip key of revolving stage and the output fixed connection of first motor, the upper surface of revolving stage links to each other with the bottom side position fixing of welding bench.

Preferably, the monitoring system comprises a collecting probe, an articulated arm, a display screen and a vertical plate, the monitoring system is arranged on a mounting seat far away from the illuminating lamp, the articulated arm is connected with the outer wall of one side of the mounting seat far away from the illuminating lamp in a rotating mode, one end of the articulated arm far away from the mounting seat is fixedly connected with the vertical plate, the display screen is installed on one side of the vertical plate through a bolt, the collecting probe is connected with the other side of the vertical plate in a rotating mode, and the collecting probe is electrically connected with the display screen.

Preferably, an alarm lamp is arranged above the display screen, and the alarm lamp is electrically connected with the display screen;

(1) The acquisition probe acquires the image or image data in the chip welding process, then transmits the image or image data to the display screen, and a self-checking system is arranged in the display screen, so that preliminary detection can be performed according to the appearance data of the acquired image, and the welding accuracy between the chip and the circuit board is judged;

(2) If the alarm lamp emits red light, the alarm lamp indicates that a larger error occurs in the welding process of the chip, and the chip is a disqualified product;

(3) If the alarm lamp emits yellow light, the alarm lamp indicates that a small flaw appears in the welding process of the chip and needs to be adjusted again;

(4) If the alarm lamp emits green light, the welding accuracy of the chip is higher, and finer detection activities can be performed.

Preferably, a storage cavity is formed at the left side and the right side of the inner cavity of the base body, and a cabinet door is hinged to the outer sides of the two Chu Naqiang.

Preferably, a shock pad is arranged at the bottom side of the seat body.

Preferably, the upper surfaces of the limiting plate and the welding table are respectively provided with a rubber anti-slip layer.

Preferably, a side wall of one of the mounting seats opposite to the other mounting seat is provided with an illuminating lamp.

Preferably, a communicating groove for sliding the connecting block is formed in the upper surface of the welding table, and the communicating groove is consistent with the length direction of the welding table.

Compared with the prior art, the fixture for welding the capacitor chip provided by the invention has the following improvement and advantages:

the method comprises the following steps: according to the invention, the seat body capable of adjusting the height is arranged, so that the welding table above can be adjusted to the proper welding height of a worker, and meanwhile, the rotation angle of the welding table can be adjusted at will, thereby avoiding the continuous adjustment of the welding position of the worker in the welding process, saving time and labor and improving the welding efficiency.

And two,: by arranging the self-checking system, the invention can immediately perform detection activity on the welding precision of the chip after the welding of the chip is finished, for example, when the chip is subjected to mass production, the efficiency of chip detection can be greatly improved, thereby improving the production benefit of enterprises.

And thirdly,: according to the invention, the acquisition probe is matched with the display screen, the acquisition probe acquires the images in the welding process of the chip and feeds the images back to the display screen in real time, and for finer positions, local amplifying or shrinking actions can be carried out on the display screen, so that a worker can know the welding position of the chip more clearly, and the probability of error rejection is reduced.

Fourth, it is: according to the invention, the transmission mechanism is arranged, so that the distance between the two limiting plates can be automatically adjusted at will, the limiting plates can clamp and fix circuit boards with different sizes, the manual frequent operation of clamping work is avoided, and the clamping effect is good and the practicability is high.

Fifth, it is: according to the invention, the L-shaped limiting plate with the downward opening is arranged, when the circuit board is clamped, the side position of the circuit board is abutted against the inner wall of the corner of the limiting plate, so that the circuit board is prevented from displacement in the chip welding process, and the chip welding precision is further improved.

Sixth, it: by arranging the illuminating lamp, the invention can provide a good bright environment for workers and avoid the influence of insufficient light on the work.

Drawings

The invention is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the front structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic perspective view of a limiting plate according to the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a schematic diagram of the connection structure between the storage cavity and the cabinet door;

FIG. 6 is a schematic diagram of the position structure of the communicating slot and the welding table of the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

fig. 8 is an enlarged schematic view of the structure of fig. 1 at B according to the present invention.

Reference numerals illustrate: 1. a base; 2. a connecting block; 3. a column; 4. an extension plate; 5. a mounting base; 6. a pushing cylinder; 7. a telescopic rod; 8. a limiting plate; 9. an assembly groove; 10. a threaded rod; 11. a double-ended motor; 12. a welding table; 13. a base; 14. a first motor; 15. a turntable; 16. an electric push rod; 17. a bearing seat; 18. chu Naqiang; 19. a cabinet door; 20. a shock pad; 21. a rubber anti-slip layer; 22. a lighting lamp; 23. a chute; 24. a communication groove; 25. collecting probes; 26. an articulated arm; 27. a display screen; 28. an alarm lamp; 29. a vertical plate.

Detailed Description

The following detailed description of the present invention will provide clear and complete description of the technical solutions of the embodiments of the present invention, with reference to fig. 1 to 8, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a capacitor chip welding fixture through improvement, as shown in fig. 1-8, the fixture comprises a base 1 and a connecting block 2, a transmission mechanism is arranged above the base 1, a group of symmetrically arranged limiting mechanisms are arranged above the transmission mechanism, each limiting mechanism comprises a stand column 3, an extension plate 4, a mounting seat 5, a pushing cylinder 6, a telescopic rod 7 and a limiting plate 8, each stand column 3 is fixedly arranged above the corresponding connecting block 2, one side of each stand column 3 opposite to the corresponding stand column is fixedly connected with the corresponding extension plate 4, a vertically arranged assembly groove 9 is formed in each extension plate 4 in a penetrating manner, a mounting seat 5 is arranged above each extension plate 4 through bolts, a detection system and a self-checking system are arranged at the outer side position of each mounting seat 5, a pushing cylinder 6 is fixedly arranged at the top side position of each inner cavity of each mounting seat 5, one end, far away from each telescopic rod 7, of each telescopic rod 6 is fixedly connected with the corresponding telescopic rod 7, each telescopic rod 8 is fixedly connected with one end, and each telescopic rod 8 is fixedly provided with one end, and each telescopic rod 8 is connected with one end of each L-shaped limiting plate.

It should be noted that, before the chip welding, place the circuit board on welding bench 12, the stand 3 of both sides adjusts the interval between limiting plate 8 and the circuit board under drive mechanism's drive this moment, and pushing cylinder 6 drive telescopic link 7 is to the top of circuit board downwards, and limiting plate 8 is the L shape setting of opening decurrent, therefore the avris position of circuit board is inconsistent with limiting plate 8 turning inner wall, thereby avoids at the chip welding in-process, and the circuit board appears the displacement and influences welded precision.

As the preferred scheme, still further, drive mechanism includes threaded rod 10, double-end motor 11 and welding bench 12, a double-end motor 11 is installed to welding bench 12 inner chamber's middle part position, a threaded rod 10 is installed through the bearing respectively to double-end motor 11's both sides position, two the tip key of threaded rod 10 respectively with the two output fixed connection of double-end motor 11, two threaded rod 10 respectively with two connecting block 2 screw-thread fit, the spout 23 unanimous with its length direction is seted up to the bottom side position of pedestal 13 inner chamber, spout 23 respectively with two connecting block 2 sliding fit.

It should be noted that, the double-headed motor 11 drives the threaded rod 10 to rotate respectively, and the connecting block 2 and the inner wall of the chute 23 are in sliding fit, so that the chute 23 plays a guiding role, and the connecting block 2 can only perform a single advancing or retracting action on the welding table 12, thereby adjusting the distance between the two limiting plates 8, so that the limiting mechanism can clamp and fix circuit boards with different sizes, and the practicability is strong.

As a preferred scheme, still further, base 1 includes pedestal 13, first motor 14, revolving stage 15, electric putter 16 and bearing seat 17, the top fixed mounting of bearing seat 17 has a plurality of electric putter 16, and a plurality of the top fixedly connected with same pedestal 13 of electric putter 16, the first motor 14 is installed to the top side position of pedestal 13 inner chamber, install revolving stage 15 through the bearing on the pedestal 13, the tip key of revolving stage 15 and the output fixed connection of first motor 14, the upper surface of revolving stage 15 links to each other with the bottom side position fixed of welding bench 12.

It should be noted that, the electric putter 16 is used for driving the pedestal 13 upwards or downwards to carry out the altitude mixture control, thereby make the welding bench 12 of top can adjust to the suitable welding height of staff, first motor 14 is used for driving revolving stage 15 and rotates, thereby make the welding bench 12 of top can adjust rotation angle wantonly, avoid the staff to constantly adjust own welding position in the welding process, improve welded efficiency.

As the preferred scheme, still further, monitoring system includes acquisition probe 25, articulated arm 26, display screen 27 and riser 29, monitoring system sets up on keeping away from the mount pad 5 of light 22, the mount pad 5 is kept away from the one side outer wall rotation of light 22 and is connected with articulated arm 26, the one end fixedly connected with riser 29 of mount pad 5 is kept away from to articulated arm 26, display screen 27 is installed through the bolt to one side of riser 29, the opposite side rotation of riser 29 is connected with acquisition probe 25, be electric connection between acquisition probe 25 and the display screen 27.

It should be noted that, the acquisition probe 25 performs an acquisition activity on an image in a chip welding process and feeds back the image on the display screen 27 in real time, and for a finer position, local amplification or reduction actions can be performed on the display screen 27, so that a worker can know the welding position of the chip more clearly, the probability of error rejection is reduced, and the welding precision is improved.

As a preferable solution, an alarm lamp 28 is installed above the display screen 27, and the alarm lamp 28 is electrically connected with the display screen 27;

(1) The acquisition probe 25 acquires the image or image data in the chip welding process, then transmits the image or image data to the display screen 27, and a self-checking system is arranged in the display screen 27, so that preliminary detection can be performed according to the appearance data of the acquired image, and the welding accuracy between the chip and the circuit board can be judged;

(2) If the alarm 28 emits red light, a larger error occurs in the welding process of the chip, and the chip is a disqualified product;

(3) If the alarm 28 emits yellow light, the small flaw appears in the chip welding process, and the chip needs to be adjusted again;

(4) If the alarm 28 emits green light, it indicates that the die bonding accuracy is high, and finer inspection activities can be performed.

It should be noted that, through setting up self-checking system, can be immediately after the welding of chip finishes, detect the activity to the welding precision of chip, if meet when batch production, can improve the efficiency that the chip detected by a wide margin to improve enterprise's productivity effect.

As a preferred solution, a storage cavity 18 is provided at both the left and right sides of the inner cavity of the base 13, and a cabinet door 19 is hinged to the outer sides of both the storage cavities 18.

The storage cavity 18 is arranged in the inner cavity of the seat body 13, so that welding equipment and parts are conveniently placed, and the practicability of use is improved.

Preferably, a shock pad 20 is disposed at the bottom side of the seat 13.

It should be noted that the provision of the shock pad 20 is advantageous in reducing abnormal movement and noise when the height of the seat 13 is adjusted.

Preferably, the upper surfaces of the limiting plate 8 and the welding table 12 are respectively provided with a rubber anti-slip layer 21.

It should be noted that, the contact friction force between the device and the circuit board is increased by arranging the rubber anti-slip layer 21, so that the stability of placement is improved while slipping is avoided, and damage caused by friction between the outer wall of the device and the circuit board is avoided.

Preferably, the side wall of one of the mounting seats 5 opposite to the other mounting seat 5 is provided with an illuminating lamp 22.

It should be noted that, when the die-bonding is performed, the illuminating lamp 22 provides a good bright environment for the staff, so that the influence of insufficient light on the bonding operation is avoided.

Preferably, a communication groove 24 for sliding the connection block 2 is formed on the upper surface of the welding table 12, and the communication groove 24 is consistent with the length direction of the welding table 12.

It should be noted that, the connection block 2 is convenient to slide left and right along the communication groove 24 so as to adjust the interval between the two limiting plates 8.

Working principle: before chip welding, the electric push rod 16 is used for driving the base 13 to adjust the height upwards or downwards, so that the welding table 12 above can be adjusted to the proper welding height of a worker, and the first motor 14 is used for driving the rotary table 15 to rotate, so that the rotation angle of the welding table 12 above can be adjusted at will, the welding position of the worker is prevented from being adjusted continuously in the welding process, and the welding efficiency is improved;

then, the circuit board is placed on the welding table 12, the upper surfaces of the limiting plates 8 and the welding table 12 are respectively provided with a rubber anti-slip layer 21, the contact friction force between the device and the circuit board is increased by arranging the rubber anti-slip layer 21, slipping is avoided, meanwhile, placement stability is improved, damage caused by friction between the outer wall of the device and the circuit board is avoided, at the moment, the stand columns 3 on two sides are driven by the transmission mechanism to adjust the distance between the limiting plates 8 and the circuit board, the threaded rod 10 is respectively driven by the double-headed motor 11 to rotate, and the connecting blocks 2 are in sliding fit with the inner wall of the sliding groove 23, so that the connecting blocks 2 can only perform single advancing or retracting action on the welding table 12, the distance between the two limiting plates 8 is adjusted, the limiting mechanism can clamp and fix circuit boards with different sizes, the practicability is strong, the pushing cylinder 6 drives the telescopic rod 7 to be downwards above the circuit board, the limiting plates 8 are arranged in an L shape with downward opening, and therefore the side positions of the circuit board are in contact with the inner wall of the limiting plates 8, and the corner of the circuit board is prevented from being influenced by displacement in the welding process of chips;

the left side and the right side of the inner cavity of the seat body 13 are respectively provided with a storage cavity 18, so that welding equipment and parts can be conveniently placed, and the practicability of use is improved;

in the welding process, the acquisition probe 25 performs acquisition activities on images in the chip welding process and feeds the images back to the display screen 27 in real time, and for finer positions, local amplification or contraction actions can be performed on the display screen 27, so that workers can know the welding positions of the chips more clearly, the probability of mistakes and scrapping is reduced, the welding precision is improved, a self-checking system is arranged in the display screen 27, preliminary detection can be performed according to appearance data of the acquired images, and the welding precision between the chips and the circuit board is judged; if the alarm lamp 28 emits red light, a larger error occurs in the welding process of the chip, and the chip is a disqualified product; if the alarm lamp 28 emits yellow light, the small flaw appears in the chip welding process, and the chip needs to be adjusted again; if the alarm lamp 28 emits green light, the welding accuracy of the chip is higher, finer detection activity can be performed, and by setting the self-checking system, the welding accuracy of the chip can be immediately detected after the chip is welded, for example, when batch production is encountered, the efficiency of chip detection can be greatly improved, so that the production benefit of enterprises is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Capacitor chip welding frock tool, its characterized in that: including base (1) and connecting block (2), the top of base (1) is equipped with drive mechanism, drive mechanism's top is equipped with the stop gear that a set of symmetry set up, two stop gear all includes stand (3), extension board (4), mount pad (5), pushing away material cylinder (6), telescopic link (7) and limiting plate (8), two stand (3) respectively fixed mounting in the top of two connecting blocks (2), two the equal fixedly connected with extension board (4) of one side that stand (3) is relative, two all run through on extension board (4) and set up assembly groove (9) of a vertical setting, two the top of extension board (4) is all installed mount pad (5) through the bolt, one of them the outside position of mount pad (5) is equipped with detecting system and self-checking system, two the equal fixed mounting in topside position of mount pad (5) inner chamber has one to push away from material cylinder (6) is two one end fixed connection (7) that mount pad (5) were kept away from, two telescopic link (8) are two opening shape limiting plate (8) are two.

2. The capacitor chip welding fixture of claim 1, wherein: the transmission mechanism comprises a threaded rod (10), a double-headed motor (11) and a welding table (12), wherein the double-headed motor (11) is arranged at the middle position of the inner cavity of the welding table (12), the two sides of the double-headed motor (11) are respectively provided with one threaded rod (10) through bearings, the two end keys of the threaded rod (10) are respectively fixedly connected with the two output ends of the double-headed motor (11), the two threaded rods (10) are respectively in threaded fit with the two connecting blocks (2), a sliding groove (23) consistent with the length direction of the sliding groove (23) is formed in the bottom position of the inner cavity of the base body (13), and the sliding groove (23) is respectively in sliding fit with the two connecting blocks (2).

3. The capacitor chip welding fixture of claim 2, wherein: the base (1) comprises a base body (13), a first motor (14), a rotary table (15), an electric push rod (16) and a bearing seat (17), wherein a plurality of electric push rods (16) are fixedly arranged above the bearing seat (17), the same base body (13) is fixedly connected with the upper part of each electric push rod (16), the first motor (14) is arranged at the top side position of an inner cavity of the base body (13), the rotary table (15) is arranged on the base body (13) through a bearing, an end key of the rotary table (15) is fixedly connected with the output end of the first motor (14), and the upper surface of the rotary table (15) is fixedly connected with the bottom side position of the welding table (12).

4. The capacitor chip welding fixture of claim 1, wherein: the monitoring system comprises an acquisition probe (25), an articulated arm (26), a display screen (27) and a vertical plate (29), wherein the monitoring system is arranged on a mounting seat (5) far away from an illuminating lamp (22), the articulated arm (26) is connected with the outer wall of one side of the mounting seat (5) far away from the illuminating lamp (22) in a rotating mode, one end of the articulated arm (26) far away from the mounting seat (5) is fixedly connected with the vertical plate (29), one side of the vertical plate (29) is provided with the display screen (27) through a bolt, the other side of the vertical plate (29) is connected with the acquisition probe (25) in a rotating mode, and the acquisition probe (25) is electrically connected with the display screen (27).

5. The capacitor chip welding fixture of claim 4, wherein: an alarm lamp (28) is arranged above the display screen (27), and the alarm lamp (28) is electrically connected with the display screen (27);

(1) The acquisition probe (25) acquires image or image data in the chip welding process, and then transmits the image or image data to the display screen (27), a self-checking system is arranged in the display screen (27), and the welding accuracy between the chip and the circuit board can be judged by performing preliminary detection according to the appearance data of the acquired image;

(2) If the alarm lamp (28) emits red light, a larger error occurs in the welding process of the chip, and the chip is an unqualified product;

(3) If the alarm lamp (28) emits yellow light, the small flaws appear in the welding process of the chip, and the chip needs to be adjusted again;

(4) If the alarm lamp (28) emits green light, the welding accuracy of the chip is higher, and finer detection activity can be performed.

6. The capacitor chip welding fixture of claim 3, wherein: the left side and the right side of the inner cavity of the base body (13) are respectively provided with a storage cavity (18), and the outer sides of the two Chu Naqiang (18) are respectively hinged with a cabinet door (19).

7. The capacitor chip welding fixture of claim 6, wherein: the bottom side position of the seat body (13) is provided with a shock pad (20).

8. The capacitor chip welding fixture of claim 4, wherein: the upper surfaces of the limiting plate (8) and the welding table (12) are respectively provided with a rubber anti-slip layer (21).

9. The capacitor chip welding fixture of claim 4, wherein: and a side wall of one mounting seat (5) opposite to the other mounting seat (5) is provided with an illuminating lamp (22).

10. The capacitor chip welding fixture of claim 8, wherein: the upper surface of the welding table (12) is provided with a communication groove (24) for the connecting block (2) to slide, and the communication groove (24) is consistent with the length direction of the welding table (12).