CN114535916B

CN114535916B - Welding alignment device and welding method using same

Info

Publication number: CN114535916B
Application number: CN202210340009.1A
Authority: CN
Inventors: 张彪
Original assignee: Changxin Memory Technologies Inc
Current assignee: Changxin Memory Technologies Inc
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2023-12-22
Anticipated expiration: 2042-04-01
Also published as: CN114535916A

Abstract

The application provides a welding counterpoint equipment and adopt this welding equipment to weld method, this equipment includes: the positioning structure comprises a probe part and a plurality of fixing parts, the probe part comprises a plurality of probes, the fixing parts are positioned on one side of the probe part, the probe part is movably arranged along a first direction, the fixing parts are movably arranged along a second direction, the first direction is the extending direction of the probes, and the second direction is perpendicular to the first direction; the positioning structure is positioned on the moving structure, the moving structure is rotatably arranged on a preset plane, the preset plane is parallel to the first direction, and the moving structure is movably arranged along the first direction. The problem that the particles of the internal memory and the pinboard can not be accurately positioned during welding in the prior art is solved.

Description

Welding alignment device and welding method using same

Technical Field

The application relates to the field of welding, in particular to welding alignment equipment and a method for welding by adopting the welding equipment.

Background

In the prior art, various electronic Consumer products, such as servers (servers), PCs (Personal Computer, personal computers), consumers (consumers), mobile phones and other platforms, are applied to memories (memories), and the stability and reliability of the memories affect the operation of the whole system. In the process of measuring the related signals of the memory and analyzing the major problems of the memory, the re-ball-implanting and re-welding are often needed for the particles (Components) of the memory, the patch panel (interser) is needed to be implanted, and a plurality of layers of interser implantation welding are needed for some special scenes, so that the welding positioning of the Components and the interser is critical for engineers, and the products cannot work due to slight deviation, and further, the critical devices such as a system or a CPU (Central Processing Unit, a central processing unit) are damaged, so that time and material waste are caused. Meanwhile, for the implantation of the multi-layer interser, the welding function cannot be determined in advance, and the whole welding process is failed and resources are wasted.

Thus, a method is needed to ensure accurate positioning of the weld.

The above information disclosed in the background section is only for enhancement of understanding of the background art from the technology described herein and, therefore, may contain some information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.

Disclosure of Invention

The main aim of the application is to provide a welding alignment device and a welding method using the welding device, so as to solve the problem that the particles in the internal memory and the adapter plate in the prior art cannot be accurately positioned during welding.

According to an aspect of an embodiment of the present invention, there is provided a welding alignment apparatus including: the positioning structure comprises a probe part and a plurality of fixing parts, wherein the probe part comprises a plurality of probes, the fixing parts are positioned on one side of the probe part, the probe part is movably arranged along a first direction, the fixing parts are movably arranged along a second direction, the first direction is the extending direction of the probes, and the second direction is perpendicular to the first direction; and the positioning structure is positioned on the moving structure, the moving structure is rotatably arranged on a preset plane, the preset plane is parallel to the first direction, and the moving structure is movably arranged along the first direction.

Optionally, the probe portion further includes: the lifting pieces are connected with first preset positions of all the probes, the first preset positions are located between two ends of the probes, and the lifting pieces are movably arranged along the first direction; the probe comprises a fixed frame, all probes penetrate through the fixed frame, two ends of each probe are located on the outer side of the fixed frame, the fixed frame is connected with a moving structure, lifting pieces are movably arranged on the inner wall of the fixed frame, and the moving direction of the lifting pieces is parallel to the first direction.

Optionally, the fixed frame includes four frames that connect gradually from beginning to end, fixed part has four, fixed part with the frame one-to-one is connected.

Optionally, the fixing portion includes: the extending direction of the fixed column is parallel to the first direction; the telescopic piece is located on the fixed column, the telescopic piece is movably located on the outer wall of the fixed frame, and the moving direction of the telescopic piece is parallel to the second direction.

Optionally, the telescopic member includes: the telescopic column, the one end of telescopic column with the outer wall connection of fixed frame, the other end of telescopic column has first through-hole, the fixed column passes first through-hole.

Optionally, the moving structure includes: a support portion disposed along the first direction; the first end of the sliding connection part is sleeved on the supporting part, and the sliding connection part is movably arranged along the supporting part; and the first end of the rotating part is rotatably arranged on the second end of the sliding connection part, and the second end of the rotating part is connected with the positioning structure.

Optionally, the sliding connection portion includes: the sliding rod is arranged along the second direction, one end of the sliding rod is provided with a second through hole, and the second through hole is slidably sleeved on the outer wall of the supporting part.

Optionally, the rotating part includes: the disc comprises a first surface and a second surface which are opposite, the first surface and the second surface are respectively parallel to the preset plane, and the first surface is connected with the positioning structure; the rotating piece is respectively connected with the second surface and the sliding connecting part, and rotates to drive the disc to rotate relative to the sliding connecting part, and the rotating direction is parallel to the second direction.

Optionally, the second predetermined position of each probe is respectively used for being electrically connected with the controller, and the second predetermined position is located between two ends of the probe.

Optionally, the welding alignment device further includes: the base is used for placing a first workpiece to be welded, and the moving structure is located on the base.

Optionally, the rotation angle of the moving structure is a multiple of 180 °.

According to another aspect of the embodiment of the present invention, there is also provided a method for performing welding using the welding alignment apparatus, including: placing a first to-be-welded piece on welding alignment equipment in a right-side up manner, moving at least one of the first to-be-welded piece, a positioning structure and a moving structure to enable each fixing part to be in contact with the edge of the first to-be-welded piece, and enabling the first ends of the probes to be in one-to-one corresponding contact with first pins, wherein the first pins are pins of the first to-be-welded piece, and the front side of the first to-be-welded piece is the surface of the first to-be-welded piece with the first pins; taking out the first to-be-welded piece from the welding alignment equipment, and placing a second to-be-welded piece on the welding alignment equipment with the front face upwards, wherein the front face of the second to-be-welded piece is the surface of the second to-be-welded piece with a second pin, and the second pin is the pin of the second to-be-welded piece; rotating the moving structure on a preset plane by a preset angle, and moving the second to-be-welded piece and/or at least one of the positioning structure and the moving structure in a first direction so that the second ends of the probes are in one-to-one corresponding contact with the second pins; moving the probe part in the first direction, and placing the back surface of the first to-be-welded piece upwards on the front surface of the second to-be-welded piece, so that the edge of the placed first to-be-welded piece is in contact with each fixed part, wherein the placed first pins are in one-to-one correspondence with the probes; and welding the second pins and the corresponding first pins.

Optionally, the welding alignment device is at least one of the welding alignment device, a moving positioning structure and a moving structure, so that each of the fixing portions contacts an edge of the first workpiece to be welded, and the first ends of the probes contact the first pins in a one-to-one correspondence manner, including: moving the lifting piece to drive each probe to move in the first direction; moving the moving structure to drive each probe and each fixed column to move in the first direction; and moving the telescopic parts to drive the corresponding fixed columns to move in the second direction, so that each fixed column is contacted with the edge of the first part to be welded.

Optionally, the second predetermined position of each probe is respectively used for electrically connecting with a controller, the second predetermined position is located between two ends of the probe, and before the first workpiece to be welded is placed on the welding alignment device in a right-side up manner, the method further includes: placing the second to-be-welded part on the welding alignment equipment in a right-side up manner, and moving at least one of the second to-be-welded part, the positioning structure and the moving structure to enable the first ends of the probes to be in one-to-one corresponding contact with the second pins; and controlling the controller to acquire first impedance data of the second to-be-welded piece, wherein the first impedance data comprises first impedance of each second pin and/or second impedance between adjacent second pins.

Optionally, the first part to be welded is an interposer, and after the welding equipment is controlled to weld the second pin and the corresponding first pin, the method further includes: controlling the controller to acquire second impedance data of the welded assembly, wherein the second impedance data comprises third impedance of the second pin of the welded assembly and/or fourth impedance between adjacent second pins; and determining whether the second pins are abnormal or not before and after welding according to the first impedance data and the second impedance data, and determining that the second pins are normal under the condition that the difference value between the first impedance data and the corresponding second impedance data is within a preset range.

Adopt the embodiment of this application, welding counterpoint equipment, including location structure and the moving structure who is located the location structure top, location structure is including probe portion and the fixed part that contains a plurality of probes, and the probe in the probe portion can be along first direction removal setting, and the fixed part can be along the second direction removal setting of perpendicular to first direction, and moving structure can rotate the setting at the predetermined plane along first direction. According to the probe, the probe is driven to move by moving the moving structure in the first direction, and the probe is driven to rotate by rotating the moving structure on the preset plane, so that the probe corresponds to the pin of the piece to be welded; through remove fixed part in the second direction for fixed part can block to establish the edge of waiting the weldment, and probe and fixed part's dual location can make the counterpoint of waiting the weldment comparatively accurate, has alleviateed the inaccurate problem of counterpoint before welding among the prior art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 shows a schematic structural diagram of a welding alignment apparatus according to an embodiment of the present application;

FIG. 2 illustrates a schematic top view of a welding alignment apparatus according to an embodiment of the present application;

FIG. 3 illustrates a front schematic view of a welding alignment apparatus according to an embodiment of the present application;

FIG. 4 illustrates a left side schematic view of a welding alignment apparatus according to an embodiment of the present application;

fig. 5 shows a schematic diagram of a connection relationship between a welding alignment apparatus and a controller according to an embodiment of the present application;

FIG. 6 illustrates a flow diagram of a method of welding with a welding alignment device according to an embodiment of the present application;

fig. 7 shows a schematic structural view of a first part to be welded and a second part to be welded according to an embodiment of the present application;

FIG. 8 illustrates a schematic diagram of positioning a first part to be welded using a welding alignment apparatus according to an embodiment of the present application;

FIG. 9 illustrates a schematic diagram of a welding alignment apparatus positioning a second part to be welded according to an embodiment of the present application;

Fig. 10 shows a schematic diagram of a weld alignment apparatus flipped according to an embodiment of the present application.

Wherein the above figures include the following reference numerals:

101. a probe; 102. a lifting member; 103. a fixed frame; 104. fixing the column; 105. a telescoping member; 106. a support part; 107. a sliding connection part; 108. a rotating part; 109. a controller; 110. a base; 111. a first part to be welded; 112. the second piece to be welded; 113. a disc; 114. a rotating member.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Furthermore, in the description and in the claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As described in the background art, there is a problem that the particles in the memory and the interposer cannot be accurately positioned during welding, and in order to solve the above problem, in an exemplary embodiment of the present application, a welding alignment device and a welding method using the welding device are provided.

According to an exemplary embodiment of the present application, there is provided a soldering alignment apparatus, as shown in fig. 1, 2, 3 and 4, including a positioning structure and a moving structure, wherein the positioning structure includes a probe portion including a plurality of probes 101 and a plurality of fixing portions located at one side of the probe portion, the probe portion being movably disposed along a first direction, the fixing portions being movably disposed along a second direction, the first direction being an extending direction of the probes 101, the second direction being perpendicular to the first direction; the positioning structure is located on the moving structure, the moving structure is rotatably arranged on a preset plane, the preset plane is parallel to the first direction, and the moving structure is movably arranged along the first direction.

The welding alignment equipment comprises a positioning structure and a moving structure located above the positioning structure, wherein the positioning structure comprises a probe portion and a fixing portion, the probe portion comprises a plurality of probes, the probes in the probe portion can be arranged in a moving mode along a first direction, the fixing portion can be arranged in a moving mode along a second direction perpendicular to the first direction, and the moving structure can be arranged in a rotating mode along a preset plane of the first direction. According to the probe, the probe is driven to move by moving the moving structure in the first direction, and the probe is driven to rotate by rotating the moving structure on the preset plane, so that the probe corresponds to the pin of the piece to be welded; through remove fixed part in the second direction for fixed part can block to establish the edge of waiting the weldment, and probe and fixed part's dual location can make the counterpoint of waiting the weldment comparatively accurate, has alleviateed the inaccurate problem of counterpoint before the welding.

According to still another specific embodiment of the present application, as shown in fig. 1 to 4, the probe part further includes a lifting member 102 and a fixing frame 103, wherein the lifting member 102 is connected to all first predetermined positions of the probes 101, the first predetermined positions are located between two ends of the probes 101, and the lifting member 102 is movably disposed along the first direction; all the probes 101 pass through the fixing frame 103, and both ends of the probes 101 are located outside the fixing frame 103, the fixing frame 103 is connected to the moving structure, the elevating member 102 is movably disposed on an inner wall of the fixing frame 103, and a moving direction of the elevating member 102 is parallel to the first direction. In this embodiment, the fixing frame 103 is driven by the moving structure to move in the first direction and rotate on the predetermined plane, so that the probe 101 can move in the first direction to a larger extent, and the lifting member 102 drives the probe 101 to move in the first direction to a smaller extent without moving the fixing portion, so that flexible movement of the probe 101 in the first direction is further realized.

In order to further ensure higher alignment accuracy, according to another specific embodiment of the present application, as shown in fig. 1, the fixing frame 103 includes four frames sequentially connected end to end, and the fixing portions (the fixing columns 104 and the telescopic members 105) are four and are connected in one-to-one correspondence with the frames.

Of course, in the practical application process, the number of the fixing parts is not limited to four, and three fixing parts may be provided, and each fixing part is connected with any three of the frames in a one-to-one correspondence manner; the two fixing parts can be arranged, and the two fixing parts are respectively positioned on the two connected frames.

As a further specific embodiment of the present application, as shown in fig. 1 to 4, the fixing portion includes a fixing post 104 and a telescopic member 105, where an extending direction of the fixing post 104 is parallel to the first direction; the telescopic member 105 is disposed on the fixing post 104, the telescopic member 105 is movably disposed on the outer wall of the fixing frame 103, and the moving direction of the telescopic member 105 is parallel to the second direction. The fixing columns 104 are used for fixing a workpiece to be welded, for example, four fixing columns 104 are simultaneously contacted with the edge of the workpiece to be welded, so that the workpiece to be welded is fixed, the telescopic piece 105 is used for driving the fixing columns 104 to move along the direction away from or close to the fixing frame 103, and further the fixing columns are applicable to the position fixing of the workpiece to be welded with different sizes, and therefore the welding contraposition equipment is high in practicality.

In still another specific embodiment of the present application, as shown in fig. 1 to 4, the telescopic member 105 includes a telescopic column, wherein one end of the telescopic column is connected to the outer wall of the fixed frame 103, the other end of the telescopic column has a first through hole, and the fixed column 104 passes through the first through hole.

In a more specific embodiment, as shown in fig. 1, the telescopic member 105 is, for example, the telescopic column.

In order to further ensure a larger movement range of the probe and further ensure a higher flexibility and practicability of the welding alignment apparatus, according to still another specific embodiment of the present application, as shown in fig. 1 to fig. 4, the moving structure includes a supporting portion 106, a sliding connection portion 107, and a rotating portion 108, where the supporting portion 106 is disposed along the first direction; a first end of the sliding connection part 107 is sleeved on the supporting part 106, and the sliding connection part 107 is movably arranged along the supporting part 106; the first end of the rotating part 108 is rotatably provided at the second end of the sliding connection part 107, and the second end of the rotating part 108 is connected to the positioning structure.

According to another specific embodiment of the present application, as shown in fig. 1, the sliding connection portion 107 includes a sliding rod, where the sliding rod is disposed along the second direction, and has a second through hole at one end, and the second through hole is slidably sleeved on the outer wall of the supporting portion 106. The sliding rod can slide along the supporting portion 106 through the second through hole, so as to drive the whole positioning structure to move along the first direction. In fig. 1, the first direction is the extending direction of the sliding connection portion 107, and the extending direction of the supporting portion 106 is the second direction.

Specifically, as shown in fig. 1, the slide connection portion 107 is the slide lever.

According to yet another specific embodiment of the present application, as shown in fig. 1 to 4, the rotating portion 108 includes a disc 113 and a rotating member 114, wherein the disc 113 includes a first surface and a second surface opposite to each other, the first surface and the second surface are parallel to the predetermined plane, and the first surface is connected to the positioning structure; the rotating member 114 is connected to the second surface and the sliding connection portion 107, and the rotating member 114 rotates to drive the disc 113 to rotate relative to the sliding connection portion 107, wherein the rotation direction is parallel to the second direction.

According to another specific embodiment of the present application, the second predetermined position of each of the probes is respectively used for being electrically connected to the controller, and the second predetermined position is located between two ends of the probe. In the above embodiment, the probe is connected to the controller, and the controller monitors whether the components before and after soldering are abnormal by collecting the impedance of the component to be soldered or the soldered component through the probe.

According to a specific embodiment, as shown in fig. 5, 7, 8 and 9, the first part to be welded 111 and the second part to be welded 112 can be positioned by the probe 101 and the 4 fixing columns 104, so as to realize quick positioning; the controller 109 includes an input connected to the second predetermined location of each probe, an output connected to the computer, and a traffic light, where the controller 109 can rapidly measure and compare the impedance through the probe 101, the green light indicates pass, and the red light indicates fail.

Specifically, the controller includes a register.

According to still another embodiment of the present application, as shown in fig. 1 and 7, the welding alignment apparatus further includes a base 110, wherein the base 110 is used for placing the first workpiece 111 and/or the second workpiece 112, and the moving structure is located on the base 110.

According to a specific embodiment of the present application, the rotation angle of the moving structure is a multiple of 180 °. After impedance testing is performed on a plurality of PINs on the front surface of the first to-be-welded piece, after the probes are corresponding to the PINs, the first to-be-welded piece can be turned over by a multiple of 180 degrees, then the back surface of the first to-be-welded piece is turned upwards, and at the moment, the PINs on the back surface of each probe and the PINs on the front surface of the first to-be-welded piece and the PINs on the front surface of the second to-be-welded piece are still in one-to-one correspondence through rotating the moving structure by the multiple of 180 degrees.

In a more specific embodiment, the rotation angle of the moving structure is 180 °.

It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.

In another exemplary embodiment of the present application, a method of welding with a welding alignment device is also provided. The following describes a method for welding by using a welding alignment device provided in the embodiment of the present application.

As shown in fig. 6, the method for welding with the welding alignment device according to the embodiment of the present application includes the following steps:

step S101, as shown in fig. 8, a first part to be welded 111 is placed on a welding alignment device with its front side facing upwards, at least one of the first part to be welded 111, a positioning structure and a moving structure is moved, so that each fixing portion (fixing column 104) contacts with an edge of the first part to be welded 111, and a first end of each probe 101 contacts with a first pin in a one-to-one correspondence manner, where the first pin is a pin of the first part to be welded 111, and the front side of the first part to be welded 111 is a surface of the first part to be welded 111 with the first pin;

step S102, as shown in fig. 9, moving the sliding connection portion 107 upward along the supporting portion 106, so that the fixing post 104 is separated from the first to-be-welded piece 111, then taking out the first to-be-welded piece 111 from the welding alignment device, and placing a second to-be-welded piece 112 on the welding alignment device with the front surface facing upwards, where the front surface of the second to-be-welded piece 112 is a surface of the second to-be-welded piece 112 having a second pin, and the second pin is a pin of the second to-be-welded piece 112;

Step S103, as shown in FIG. 10, rotating the moving structure on a predetermined plane by a predetermined angle, for example, 180 degrees, and moving the second part 112 to be soldered and/or at least one of the positioning structure and the moving structure in the first direction, so that the second end of the probe 101 is in one-to-one contact with the second pin;

step S104, moving the probe portion in the first direction, for example, lifting up any fixing column 104, and then placing the back surface of the first part to be welded 111 upward on the front surface of the second part to be welded 112, so that the edge of the placed first part to be welded 111 contacts each fixing portion, where the placed first pins are in one-to-one correspondence with the probes 101; because the first to-be-welded piece 111 has a specific specification, the corresponding relationship between the first pin on the first to-be-welded piece 111 and the second pin of the second to-be-welded piece 112 can be realized through the matching relationship between the first to-be-welded piece 111 and the fixed column 104;

step S105, welding the second pins and the corresponding first pins.

In the method for welding by adopting the welding alignment equipment, the first step is to place the first to-be-welded part on the welding alignment equipment with the front side facing upwards, the position of the first to-be-welded part is determined by moving at least one of the first to-be-welded part, the positioning structure and the moving structure through the probe and the fixing part, the second step is to take the first to-be-welded part off the welding alignment equipment, place the second to-be-welded part with the front side facing upwards on the welding alignment equipment, and rotate the moving structure on a preset plane by a preset angle so that pins of the second to-be-welded part are aligned with the probe one by one to fix the position of the second to-be-welded part; and thirdly, placing the back of the first to-be-welded piece upwards to the front of the second to-be-welded piece, and clamping the first to-be-welded piece at the well determined position in the first step for welding. Compared with the problem that the particles in the memory and the adapter plate cannot be accurately positioned when the memory related signal measurement and the memory major problem analysis are carried out, the probe corresponds to the pin of the first part to be welded by moving at least one of the first part to be welded, the positioning structure and the moving structure, the fixing part is clamped at the edge of the first part to be welded to determine the position of the probe, the second part to be welded is fixed by the corresponding pin of the probe and the second part to be welded, and finally the first part to be welded is placed back to the determined position, so that the one-to-one correspondence of the pins of the first part to be welded and the second part to be welded is ensured, namely, the positioning of the first part to be welded and the second part to be welded is more accurate by the double positioning of the probe and the fixing part, and the problem of inaccurate positioning before welding is relieved. And, compare artifical counterpoint and cause the lower problem of welding efficiency, this application is counterpointed above-mentioned first weldment of waiting and above-mentioned second weldment of waiting through above-mentioned welding counterpoint equipment for whole welding efficiency is higher, and the human cost is lower.

According to an embodiment of the present application, as shown in fig. 1 to 4, the probe part further includes a lifting member 102 and a fixing frame 103, wherein the lifting member 102 is connected to all first predetermined positions of the probes 101, the first predetermined positions are located between two ends of the probes 101, and the lifting member 102 is movably disposed along the first direction; all the probes 101 pass through the fixing frame 103, and two ends of the probes 101 are located at the outer side of the fixing frame 103, the fixing frame 103 is connected with the moving structure, the lifting member 102 is movably arranged on the inner wall of the fixing frame 103, the moving direction of the lifting member 102 is parallel to the first direction, the fixing part comprises a fixing column 104 and a telescopic member 105, and the extending direction of the fixing column 104 is parallel to the first direction; the telescopic member 105 is located on the fixing post 104, the telescopic member 105 is movably located on an outer wall of the fixing frame 103, a moving direction of the telescopic member 105 is parallel to the second direction, at least one of a positioning structure and a moving structure is moved, so that each of the fixing portions is in contact with an edge of the first workpiece to be welded, and a first end of each of the probes 101 is in one-to-one contact with a first pin, including: moving the lifting piece to drive each probe to move in the first direction; moving the moving structure to drive each probe 101 and each fixing post 104 to move in the first direction; the telescopic members 105 are moved to drive the corresponding fixing columns to move in the second direction, so that each fixing column 104 contacts with the edge of the first workpiece to be welded.

In order to ensure the welding yield, according to still another embodiment of the present application, the second predetermined positions of each of the probes are respectively used for being electrically connected to the controller, the second predetermined positions are located between two ends of the probes, and before the first workpiece to be welded is placed on the welding alignment device in a right-side up manner, the method further includes: placing the second to-be-welded part on the welding alignment equipment with the front side facing upwards, and moving at least one of the second to-be-welded part, the positioning structure and the moving structure to enable the first ends of the probes to be in one-to-one corresponding contact with the second pins; and controlling the controller to acquire first impedance data of the second to-be-welded piece, wherein the first impedance data comprises first impedance of each second pin and/or second impedance between adjacent second pins. According to the method, the impedance of the first to-be-welded piece is tested before welding, so that the first to-be-welded piece with the problem of impedance can be screened out, and the problems that the first to-be-welded piece is found to be a defective product after welding and reworking affects welding efficiency and yield are avoided.

In still another specific embodiment of the present application, in order to further ensure that a product with poor welding is found in time, after the first part to be welded is the adapter plate and the welding device is controlled to weld the second pin and the corresponding first pin, the method further includes: controlling the controller to acquire second impedance data of the welded assembly, wherein the second impedance data comprises third impedance of the second pin of the welded assembly and/or fourth impedance between adjacent second pins; and determining whether the second pins are abnormal or not before and after welding according to the first impedance data and the second impedance data, and determining that the second pins are normal when the difference value between the first impedance data and the corresponding second impedance data is within a preset range. After welding, products with problematic impedance caused by welding defective products and other reasons can be further screened out by testing the impedance, and defective products are further prevented from flowing back into other working sections.

In the practical application process, the first to-be-welded part is a memory particle and/or an adapter plate, and the second to-be-welded part is a PCB (Printed Circuit Board ).

Specifically, the specific flow of the method for welding by adopting the welding alignment equipment is as follows:

step S201, when welding the first part to be welded 111 or the second part to be welded 112, measuring the impedance between each PIN and adjacent PINs of the first part to be welded and/or the second part to be welded as shown in FIG. 7 by using the probe 101, and storing the measured impedance in a register;

step S202, as shown in FIG. 8 and FIG. 9, fixing the position of the first part to be welded 111 by using the probe 101 and the fixing column 104, then lifting the probe 101, and removing the first part to be welded 111;

step S203, as shown in FIG. 10, the second part to be welded 112 is placed on the base, the probe 101 and the fixing column 104 are turned over by 180 degrees, the probe 101 is aligned to the PIN on the second part to be welded 112, that is, the other end of the probe 101 is utilized to correspond to the corresponding position of the motherboard or the module, that is, the corresponding PIN;

step S204, the back of the first part to be welded 111 is placed upwards in the clamped area of the fixing column 104, and is contacted with the second part to be welded 112, and the alignment is completed, so that the welding can be performed by using an electric air gun;

In step S205, in the case that the first part to be welded is a memory particle (i.e. a memory component), the whole welding step is completed at this time, in the case that the first part to be welded is an adapter plate, a probe is used to perform a secondary impedance test after welding, the measured resistance is compared with the resistance of the first test, the difference of the resistance within 15% is pass, a green lamp is turned on at this time, if the difference exceeds 15%, a red lamp is turned on to give an alarm at this time, and an output serial port can be used to output data to find abnormal PIN, thereby determining the lower strategy.

Step S207, if a plurality of layers of second workpieces to be welded are required to be welded, the steps of positioning, welding, measuring, judging and the like can be repeated until the welding is completed.

In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.

In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units may be a logic function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.

The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The integrated units described above, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the above-mentioned method of the various embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.

From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

1) The welding alignment equipment comprises a positioning structure and a moving structure located above the positioning structure, wherein the positioning structure comprises a probe portion and a fixing portion, the probe portion comprises a plurality of probes, the probes in the probe portion can be arranged in a moving mode along a first direction, the fixing portion can be arranged in a moving mode along a second direction perpendicular to the first direction, and the moving structure can be arranged in a rotating mode on a preset plane along the first direction. According to the probe, the probe is driven to move by moving the moving structure in the first direction, and the probe is driven to rotate by rotating the moving structure on the preset plane, so that the probe corresponds to the pin of the piece to be welded; through remove fixed part in the second direction for fixed part can block to establish the edge of waiting the weldment, and probe and fixed part's dual location can make the counterpoint of waiting the weldment comparatively accurate, has alleviateed the inaccurate problem of counterpoint before the welding.

2) In the method for welding by adopting the welding alignment equipment, the first step is to place the first to-be-welded part on the welding alignment equipment in a right-side up manner, the position of the first to-be-welded part is determined by moving at least one of the first to-be-welded part, the positioning structure and the moving structure through the probe and the fixing part, the second step is to take the first to-be-welded part off the welding alignment equipment, place the second to-be-welded part on the welding alignment equipment in a right-side up manner, and rotate the moving structure on a preset plane by a preset angle, so that pins of the second to-be-welded part are aligned with the probe one by one to fix the position of the second to-be-welded part; and thirdly, placing the back of the first to-be-welded piece upwards to the front of the second to-be-welded piece, and clamping the first to-be-welded piece at the well determined position in the first step for welding. Compared with the problem that the particles in the memory and the adapter plate cannot be accurately positioned when the memory related signal measurement and the memory major problem analysis are carried out, the probe corresponds to the pin of the first part to be welded by moving at least one of the first part to be welded, the positioning structure and the moving structure, the fixing part is clamped at the edge of the first part to be welded to determine the position of the probe, the second part to be welded is fixed by the corresponding pin of the probe and the second part to be welded, and finally the first part to be welded is placed back to the determined position, so that the one-to-one correspondence of the pins of the first part to be welded and the second part to be welded is ensured, namely, the positioning of the first part to be welded and the second part to be welded is more accurate by the double positioning of the probe and the fixing part, and the problem of inaccurate positioning before welding is relieved. And, compare artifical counterpoint and cause the lower problem of welding efficiency, this application is counterpointed above-mentioned first weldment of waiting and above-mentioned second weldment of waiting through above-mentioned welding counterpoint equipment for whole welding efficiency is higher, and the human cost is lower.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A method of welding with a welding alignment apparatus, the welding alignment apparatus comprising:

the positioning structure comprises a probe part and a plurality of fixing parts, wherein the probe part comprises a plurality of probes, the fixing parts are positioned on one side of the probe part, the probe part is movably arranged along a first direction, the fixing parts are movably arranged along a second direction, the first direction is the extending direction of the probes, and the second direction is perpendicular to the first direction;

a moving structure on which the positioning structure is located, the moving structure being rotatably disposed on a predetermined plane parallel to the first direction, the moving structure being movably disposed along the first direction

The method comprises the following steps:

placing a first to-be-welded piece on welding alignment equipment in a right-side up manner, moving at least one of the first to-be-welded piece, a positioning structure and a moving structure to enable each fixing part to be in contact with the edge of the first to-be-welded piece, and enabling the first ends of the probes to be in one-to-one corresponding contact with first pins, wherein the first pins are pins of the first to-be-welded piece, and the front side of the first to-be-welded piece is the surface of the first to-be-welded piece with the first pins;

Taking out the first to-be-welded piece from the welding alignment equipment, and placing a second to-be-welded piece on the welding alignment equipment with the front face upwards, wherein the front face of the second to-be-welded piece is the surface of the second to-be-welded piece with a second pin, and the second pin is the pin of the second to-be-welded piece;

rotating the moving structure on a preset plane by a preset angle, and moving the second to-be-welded piece and/or at least one of the positioning structure and the moving structure in a first direction so that the second ends of the probes are in one-to-one corresponding contact with the second pins;

moving the probe part in the first direction, and placing the back surface of the first to-be-welded piece upwards on the front surface of the second to-be-welded piece, so that the edge of the placed first to-be-welded piece is in contact with each fixed part, wherein the placed first pins are in one-to-one correspondence with the probes;

and welding the second pins and the corresponding first pins.

2. The method of claim 1, wherein the step of determining the position of the substrate comprises,

the probe portion further includes:

the lifting pieces are connected with first preset positions of all the probes, the first preset positions are located between two ends of the probes, and the lifting pieces are movably arranged along the first direction;

The fixed frame, all the probes penetrate through the fixed frame, the two ends of the probes are positioned at the outer side of the fixed frame, the fixed frame is connected with the moving structure, the lifting piece is movably arranged on the inner wall of the fixed frame, the moving direction of the lifting piece is parallel to the first direction,

the fixing portion includes:

the extending direction of the fixed column is parallel to the first direction;

the telescopic piece is positioned on the fixed column, the telescopic piece is movably positioned on the outer wall of the fixed frame, the moving direction of the telescopic piece is parallel to the second direction,

moving at least one of the positioning structure and the moving structure to make each of the fixing portions contact with the edge of the first workpiece to be welded and make the first ends of the probes contact with the first pins in a one-to-one correspondence manner, including:

moving the lifting piece to drive each probe to move in the first direction;

moving the moving structure to drive each probe and each fixed column to move in the first direction;

and moving the telescopic parts to drive the corresponding fixed columns to move in the second direction, so that each fixed column is contacted with the edge of the first part to be welded.

3. The method of claim 1, wherein a second predetermined location of each of the probes is for electrical connection with a controller, the second predetermined location being located between two ends of the probes, the method further comprising, prior to placing the first part to be welded right side up on the welding alignment device:

placing the second to-be-welded part on the welding alignment equipment in a right-side up manner, and moving at least one of the second to-be-welded part, the positioning structure and the moving structure to enable the first ends of the probes to be in one-to-one corresponding contact with the second pins;

and controlling the controller to acquire first impedance data of the second to-be-welded piece, wherein the first impedance data comprises first impedance of each second pin and/or second impedance between adjacent second pins.

4. A method according to claim 3, wherein the first part to be welded is an interposer, and after controlling a welding device to weld the second pin with the corresponding first pin, the method further comprises:

controlling the controller to acquire second impedance data of the welded assembly, wherein the second impedance data comprises third impedance of the second pin of the welded assembly and/or fourth impedance between adjacent second pins;

And determining whether the second pins are abnormal or not before and after welding according to the first impedance data and the second impedance data, and determining that the second pins are normal under the condition that the difference value between the first impedance data and the corresponding second impedance data is within a preset range.

5. The method of claim 2, wherein the fixing frame comprises four frames connected end to end, the number of the fixing parts is four, and the fixing parts are connected with the frames in a one-to-one correspondence.

6. The method of claim 2, wherein the telescoping member comprises:

the telescopic column, the one end of telescopic column with the outer wall connection of fixed frame, the other end of telescopic column has first through-hole, the fixed column passes first through-hole.

7. The method of claim 1, wherein the moving structure comprises:

a support portion disposed along the first direction;

the first end of the sliding connection part is sleeved on the supporting part, and the sliding connection part is movably arranged along the supporting part;

and the first end of the rotating part is rotatably arranged on the second end of the sliding connection part, and the second end of the rotating part is connected with the positioning structure.

8. The method of claim 7, wherein the sliding connection comprises:

the sliding rod is arranged along the second direction, one end of the sliding rod is provided with a second through hole, and the second through hole is slidably sleeved on the outer wall of the supporting part.

9. The method of claim 7, wherein the rotating portion comprises:

the disc comprises a first surface and a second surface which are opposite, the first surface and the second surface are respectively parallel to the preset plane, and the first surface is connected with the positioning structure;

the rotating piece is respectively connected with the second surface and the sliding connecting part, and rotates to drive the disc to rotate relative to the sliding connecting part, and the rotating direction is parallel to the second direction.

10. The method of any one of claims 1, 2 and 5 to 9, wherein a second predetermined location of each of the probes is for electrical connection with a controller, the second predetermined location being located between two ends of the probe.

11. The method of any one of claims 1, 2, and 5 to 9, wherein the welding alignment device further comprises:

The base is used for placing a first workpiece to be welded, and the moving structure is located on the base.

12. The method according to any one of claims 1, 2 and 5 to 9, wherein the angle of rotation of the moving structure is a multiple of 180 °.