Convenient auxiliary device for high-precision workpiece bonding and use method of convenient auxiliary device

Abstract

The invention relates to the technical field of workpiece bonding, in particular to a convenient auxiliary device for high-precision workpiece bonding and a using method thereof.The convenient auxiliary device comprises a size limiting assembly used for limiting the size of a finished product workpiece and a supporting assembly used for supporting the finished product limiting assembly; the finished workpiece is formed by bonding a target workpiece with a target bonding piece; the size limiting assembly comprises a size limiting piece, a first limiting plate and a second limiting plate, one end of the size limiting piece is fixedly connected with the first limiting plate, and the other end of the size limiting piece abuts against the second limiting plate; the plate face, connected with the size limiting piece, of the first limiting plate is further provided with a bonding piece fixing area matched with a target bonding piece. The size limited by the size limiting piece is equal to the expected size of the finished workpiece; the size-defining member includes a length-defining block, a width-defining block, or a height-defining block. By the adoption of the scheme, the size control precision of the finished workpiece can be improved, and the yield of the high-precision finished workpiece is increased.

Description

Technical Field

[0001] The present application relates to the technical field of workpiece bonding, and in particular to a convenient auxiliary device for high-precision workpiece bonding and a method for using the convenient auxiliary device. Background Art

[0002] In modern manufacturing, some products have strict requirements and restrictions on the dimensional accuracy of finished workpieces. Failure to meet the corresponding dimensional accuracy requirements may result in the inability to complete product assembly, and may even affect the final performance of the product. However, existing bonding tooling is difficult to meet users' requirements for high-precision dimensions of finished workpieces. Although high-precision automated mechanical equipment can be used to assist bonding, it is difficult to promote and apply it in the market due to its high cost and difficulty in maintenance. As a result, the output of high-precision finished workpieces is difficult to meet market demand. Therefore, it is urgent to design a convenient auxiliary device for high-precision workpiece bonding with a simple structure, easy operation and low cost to overcome the defects of existing bonding tooling and increase the output of high-precision finished workpieces. Summary of the Invention

[0003] The purpose of the embodiments of the present application is to provide a convenient auxiliary device for high-precision workpiece bonding and a method for using the convenient auxiliary device, so as to solve the problem of how to ensure that the size of the finished workpiece meets the high-precision dimensional requirements.

[0004] In order to achieve the above-mentioned objectives, the first aspect of the present application provides a convenient auxiliary device for high-precision workpiece bonding, the convenient auxiliary device comprising: a size limiting component for limiting the size of the finished workpiece and a support component for supporting the finished workpiece limiting component, wherein the finished workpiece is formed by bonding the target workpiece to the target adhesive; the size limiting component comprises a size limiting part, a first limiting plate and a second limiting plate arranged parallel to both ends of the size limiting part, wherein one end of the size limiting part is fixedly connected to the first limiting plate, and the other end of the size limiting part is abutted against the second limiting plate, and the plate surface of the second limiting plate facing away from the first limiting plate can be used to bear external pressure; an adhesive fixing area adapted to the target adhesive is also provided on the plate surface of the first limiting plate connected to the size limiting part; the size defined by the size limiting part is equal to the expected size of the finished workpiece; the size limiting part comprises a length limiting block, a width limiting block or a height limiting block.

[0005] Based on the first aspect, in an embodiment of the present application, the size limiting assembly also includes a telescopic tightening mechanism, which includes a fixed component and a telescopic push rod connected to each other, the fixed component is fixedly connected to the support frame, and the telescopic push rod can pass through a first through hole pre-opened on the first limiting plate and abut against the target workpiece.

[0006] Based on the first aspect, in an embodiment of the present application, a flexible wrapping piece is provided on the outer sleeve of the end of the telescopic top rod.

[0007] Based on the first aspect, in an embodiment of the present application, the support assembly includes a first support plate, a second support plate and a support frame for fixing the first support plate and the second support plate, the first support plate, the second support plate, the first limit plate and the second limit plate are parallel to each other, and a number of limit members are fixed on the first support plate for limiting the first limit plate and the second limit plate within a specified range; the fixing part of the telescopic tightening mechanism is fixed on the second support plate, and when the first limit plate is located within the specified range, the second through hole pre-opened on the first support plate is aligned and connected with the first through hole, and the telescopic push rod can pass through the second through hole and the first through hole in sequence to abut the target workpiece.

[0008] Based on the first aspect, in an embodiment of the present application, the limiting member includes a positioning bolt, the length direction of the positioning bolt is perpendicular to the plate surface of the first support plate, and when the first limiting plate and the second limiting plate are located within the specified range, the first limiting plate and the second limiting plate respectively abut against the side walls of all the positioning bolts.

[0009] Based on the first aspect, in an embodiment of the present application, when the first limit plate and the second limit plate are located within the specified range, all positioning bolts are distributed beside the two adjacent side walls of the first limit plate; the convenient auxiliary device also includes an auxiliary fixing member arranged near the other two side walls of the first limit plate, and the auxiliary fixing member is connected to the first support plate, and is used to cooperate with the positioning bolts to fix the first limit plate and the second limit plate within the specified range.

[0010] Based on the first aspect, in an embodiment of the present application, the auxiliary fixing member includes: a rotating bar, a first telescopic push rod and a second telescopic push rod respectively connected to the rotating bar; the telescopic end of the first telescopic push rod can abut against the side wall of the first limit plate, for cooperating with the positioning bolt to fix the position of the first limit plate, and the telescopic end of the second telescopic push rod can abut against the side wall of the second limit plate, for cooperating with the positioning bolt to fix the position of the second limit plate; a bar hole adapted to the rotating bar is provided on the first support plate, the rotating bar is passed through the bar hole and is rotatably connected to the first support plate, and an installation groove connected to the bar hole is also provided on the first support plate, and the installation groove is adapted to the first telescopic push rod, the second telescopic push rod and the rotating bar part connected to the first telescopic push rod and the second telescopic push rod.

[0011] Based on the first aspect, in an embodiment of the present application, the auxiliary fixing member also includes a limiting magnetic block fixed on the second support plate, and the side wall of the rotating bar away from one end of the second telescopic push rod is magnetically connected to the limiting magnetic block.

[0012] Based on the first aspect, in an embodiment of the present application, the rotating bar is rotatably connected to the first support plate via a screw rod, and a spring is sleeved on the screw rod to ensure that the rotating bar always abuts against an inner wall of one side of the bar hole.

[0013] In the second aspect, this embodiment provides a method for using a convenient auxiliary device. The method for using the above-mentioned convenient auxiliary device includes: Step 1: Make the plate surface of the first limiting plate parallel to the horizontal direction, wherein the plate surface provided with the adhesive fixing area is horizontally upward; fix the target adhesive in the adhesive fixing area; Step 2: Move the target workpiece so that its adhesive area is aligned with the target adhesive to complete the preliminary bonding; arrange the second limiting plate above the target workpiece and the size limiting part; Step 3: Place the first limiting plate and the second limiting plate on the first support plate, and adjust the first limiting plate with the help of the limiting part and the auxiliary fixing part Position the positioning plate and the second limiting plate, and fix the first limiting plate and the second limiting plate within the specified range on the first support plate; Step 4: Determine whether there is a gap between the second limiting plate and the size limiting member, if so, place a counterweight on the top plate of the second limiting plate; Determine whether there is a gap between the second limiting plate and the top of the target workpiece, if so, adjust the telescopic top rod of the telescopic tightening mechanism to pass through the second through hole and the first through hole in turn to abut the bottom of the target workpiece, push the target workpiece to move upward until there is no gap between the second limiting plate and the top of the target workpiece; After standing for a preset time, complete the bonding.

[0014] The solution provided in this application has at least the following beneficial effects:

[0015] In the solution provided by the present application, a high-precision size limiting member is placed between the first limiting plate and the second limiting plate, and then the top (left end or front end) of the cost workpiece is abutted against the second limiting plate, and the bottom (right end or rear end) of the finished workpiece is abutted against the first limiting plate, so that the height (length or width) of the finished workpiece can be guaranteed to be consistent with the (expected) height (length or width) defined by the size limiting member. In this process, it is also taken into account that the target workpiece may not be able to directly withstand pressure, and in the case of uneven force, the bonding angle may be tilted, thereby affecting the final quality of the finished product. Therefore, several positioning mechanisms are also provided to accurately correct the position of the target workpiece on the first limiting plate to ensure that the force direction of the target workpiece meets the requirements.

[0016] Other features and advantages of the embodiments of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the embodiments of the present application and constitute a part of the specification. Together with the following detailed description, they are used to explain the embodiments of the present application but do not constitute a limitation on the embodiments of the present application. In the accompanying drawings:

[0018] Figure 1 Schematically shows a front view of the convenient auxiliary device in the embodiment;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of the convenient auxiliary device in the embodiment is shown;

[0020] Figure 3 Schematically shows a top view of the first limiting plate in the embodiment;

[0021] Figure 4 A partial top view of the first support plate in the embodiment is schematically shown.

[0022] Description of Reference Numerals

[0023] 1. Height limiting block; 2. First limiting plate; 21. Adhesive fixing area; 22. First through hole; 3. Second limiting plate; 4. Telescopic jacking mechanism; 41. Telescopic push rod; 5. First support plate; 51. Second through hole; 52. Bar hole; 53. Mounting slot; 6. Second support plate; 7. Positioning bolt; 8. Auxiliary fixing member; 81. Rotating bar; 82. First telescopic push rod; 83. Second telescopic push rod; 9. Limiting magnetic block; 100. Target workpiece; 200. Target adhesive. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific implementation methods described herein are only used to illustrate and explain the embodiments of the present application and are not used to limit the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0025] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0027] Example 1

[0028] like Figure 1 and Figure 2 As shown, this embodiment provides a convenient auxiliary device for high-precision workpiece bonding, the convenient auxiliary device comprising: a size limiting component for limiting the size of a finished workpiece and a support component for supporting the finished workpiece limiting component, wherein the finished workpiece is formed by bonding a target workpiece 100 to a target adhesive 200; the size limiting component comprises a size limiting part, a first limiting plate 2 and a second limiting plate 3 arranged parallel to both ends of the size limiting part, wherein one end of the size limiting part is fixedly connected to the first limiting plate 2, and the other end of the size limiting part is in contact with the second limiting plate 3, and the plate surface of the second limiting plate 3 facing away from the first limiting plate 2 can be used to bear external pressure; an adhesive fixing area 21 adapted to the target adhesive 200 is also provided on the plate surface of the first limiting plate 2 connected to the size limiting part; the size defined by the size limiting part is equal to the expected size of the finished workpiece; the size limiting part comprises a length limiting block, a width limiting block or a height limiting block 1.

[0029] For example, in this embodiment, the height limit is taken as an example (the length limit and the width limit can be converted into the height limit), such as Figure 1As shown, the target workpiece 100 and the target adhesive 200 are fixed in a semi-open space formed by the height limiting block 1, the first limiting plate 2 and the second limiting plate 3. Since the target adhesive 200 is fixedly connected to the first limiting plate 2, the heights of the target workpiece 100 and the target adhesive 200 are fixed. Therefore, the final height of the finished workpiece depends only on the width of the gap between the target workpiece 100 and the target adhesive 200. In order to ensure the reliability of the bonding, factors such as the amount and distribution of the adhesive and whether the target workpiece 100 and the target adhesive 200 are aligned need to be considered. The convenient auxiliary device provided in this embodiment is mainly used to adjust the width of the gap between the target workpiece 100 and the target adhesive 200 after the target workpiece 100 and the target adhesive 200 have completed the preliminary alignment and bonding, so that the height of the finished workpiece reaches the desired height. Under normal circumstances, when the target workpiece 100 and the target adhesive 200 are initially aligned and bonded, because the adhesive has not yet solidified or the bonding between the target workpiece 100 and the target adhesive 200 is not tight enough, the overall height of the target workpiece 100 and the target adhesive 200 will be slightly higher than the height of the height limiting block 1. At this time, if the weight of the second limiting plate 3 is sufficient, the weight of the second limiting plate 3 can be used to apply downward pressure to the target workpiece 100 to reduce the gap width. If the second limiting plate 3 itself is light, a counterweight can be added to the second limiting plate 3 to accelerate the bonding process. In addition, in order to ensure uniform pressure (if the target workpiece 100 is unevenly stressed, it may cause an angle to tilt between the originally aligned and bonded target workpiece 100 and the target adhesive 200, affecting the quality of the finished workpiece), it is necessary to adjust the target workpiece 100 to align with the middle of the second limiting plate 3 as much as possible.

[0030] Although the overall height of the target workpiece 100 and the target adhesive 200 is usually slightly higher than the height of the height limiting block 1 during preliminary alignment and bonding, it is possible that the overall height of the target workpiece 100 and the target adhesive 200 is slightly lower than the height of the height limiting block 1. This is usually caused by errors in the target workpiece 100 and the target adhesive 200 themselves or insufficient adhesive. To ensure that the height of the finished workpiece meets the desired height, it is necessary to appropriately increase the gap width between the target workpiece 100 and the target adhesive 200. Of course, to ensure the reliability of the bonding between the target workpiece 100 and the target adhesive 200, the adhesive dosage can be increased as needed.

[0031] Exemplarily, in order to be able to increase the gap width between the target workpiece 100 and the target adhesive 200, the size limiting assembly also includes a telescopic tightening mechanism 4, which includes a fixed component and a telescopic push rod 41 connected to each other, and the fixed component is fixedly connected to the support frame. The telescopic push rod 41 can pass through the first through hole 22 pre-opened on the first limiting plate 2 and abut the target workpiece 100.

[0032] The number and diameter of the first through holes 22 need to be determined according to the size of the target workpiece 100 itself, the number of the target adhesives 200, and the position distribution of the target adhesives 200 on the target workpiece 100. For example, if there are multiple target adhesives 200 and they are distributed in the edge area of the target workpiece 100, the first through hole 22 can be opened at the center position surrounded by the adhesive fixing area 21 (such as Figure 3 As shown), if the target adhesive 200 is concentrated in the center of the target workpiece 100, a plurality of first through holes 22 can be evenly arranged around the adhesive fixing area 21, so that the telescopic push rods 41 of the plurality of telescopic tightening mechanisms 4 pass through the first through holes 22 and abut against the target workpiece 100, and simultaneously apply force to the target workpiece 100 to ensure that the target workpiece 100 is uniformly stressed (for the situation where there are multiple telescopic tightening mechanisms 4 and synchronous force is required, an electric telescopic structure and synchronous control are preferably adopted). Specifically, the telescopic tightening mechanism 4 can select the rigid telescopic, hydraulic and pneumatic telescopic and other telescopic structures currently common on the market according to the aperture of the first through hole 22. Preferably, the end of the telescopic push rod 41 is provided with a flexible wrapping member to avoid damage to the target workpiece 100.

[0033] Furthermore, in order to facilitate the adjustment of the alignment of the telescopic push rod 41 with the first through hole 22. In this embodiment, the support assembly includes a first support plate 5, a second support plate 6, and a support frame for fixing the first support plate 5 and the second support plate 6, the first support plate 5, the second support plate 6, the first limit plate 2, and the second limit plate 3 are parallel to each other; the fixing component of the telescopic tightening mechanism 4 is fixed on the second support plate 6, when the first limit plate 2 is located within the specified range, the second through hole 51 pre-opened on the first support plate 5 is aligned and connected with the first through hole 22, and the telescopic push rod 41 can pass through the second through hole 51 and the first through hole 22 in sequence to abut the target workpiece 100. The first limiting plate 2 can drive the target workpiece 100 and the target adhesive 200 to slide on the first supporting platform. The first supporting platform, the second supporting platform and the supporting frame are all fixedly connected. By fixedly connecting the fixed component of the telescopic tightening mechanism 4 to the second supporting plate 6 and opening a second through hole 51 at a predetermined position on the first supporting platform, the telescopic push rod 41 of the telescopic tightening mechanism 4 can always be aligned with the second through hole 51. At this time, it is only necessary to adjust the position of the first limiting plate 2 on the first supporting plate 5 so that the first through hole 22 is aligned with the second through hole 51, so as to ensure that the telescopic push rod 41 can smoothly pass through the second through hole 51 and the first through hole 22 and abut against the target workpiece 100.

[0034] like Figure 2 and Figure 4As shown, in order to facilitate the quick alignment of the first through hole 22 and the second through hole 51, preferably, the first support plate 5 is further fixed with a plurality of means for limiting the first limiting plate 2 and the second limiting plate 3 within a specified range ( Figure 4 The limiting member (see dashed line in the middle) includes a positioning bolt 7, the length of which is perpendicular to the surface of the first support plate 5. When the first limiting plate 2 is within the specified range, the first limiting plate 2 abuts the side walls of all positioning bolts 7. To ensure that the limiting member also assists in positioning the second limiting plate 3 (enabling the middle portion of the second limiting plate 3 to align with the target workpiece 100), the length and width of the first limiting plate 2 are aligned with those of the second limiting plate 3. When the second limiting plate 3 is within the specified range, the first limiting plate 2 abuts the side walls of all positioning bolts 7.

[0035] For example, each positioning bolt 7 can be used as follows Figure 4 The L-shaped layout shown is such that all the positioning bolts 7 are distributed beside the two adjacent side walls of the first limit plate 2. When all the positioning bolts 7 are in contact with the first limit plate 2, the first limit plate 2 is necessarily located within the specified range. Furthermore, to ensure that the target workpiece 100 does not deviate during the process of up and down displacement (increasing or decreasing the gap), in this embodiment, the convenient auxiliary device also includes auxiliary fixing members 8 provided near the other two side walls of the first limit plate 2. The auxiliary fixing members 8 are connected to the first support plate 5 and are used to cooperate with the positioning bolts 7 to fix the first limit plate 2 and the second limit plate 3 within the specified range. Exemplarily, the auxiliary fixing member 8 includes: a rotating bar 81, a first telescopic push rod 82 and a second telescopic push rod 83 (such as a screw) respectively connected to the rotating bar 81; the telescopic end of the first telescopic push rod 82 can abut against the side wall of the first limiting plate 2, and is used to cooperate with the positioning bolt 7 to fix the first limiting plate 2 (on the horizontal plane) within a specified range, and the telescopic end of the second telescopic push rod 83 can abut against the side wall of the second limiting plate 3, and is used to cooperate with the positioning bolt 7 to fix the second limiting plate 3 within a specified range; Figure 2 As shown, the first support plate 5 is provided with a bar hole 52 adapted to fit with the rotating bar 81. The rotating bar 81 is inserted into the bar hole 52 and is rotatably connected to the first support plate 5. The first support plate 5 is also provided with a mounting groove 53 connected to the bar hole 52. The mounting groove 53 is adapted to fit with the first telescopic push rod 82, the second telescopic push rod 83, and the portion of the rotating bar 81 connected to the first telescopic push rod 82 and the second telescopic push rod 83. When in use, the rotating bar 81 is adjusted to a vertical position. When not in use, the rotating bar 81 is adjusted to a horizontal position. In the horizontal position, the upper half of the rotating bar 81 just fits into the adapted mounting groove 53.

[0036] Preferably, the auxiliary fixing member 8 also includes a limiting magnetic block 9 fixed to the second support plate 6, and the side wall of the rotating bar 81 away from the end of the second telescopic push rod 83 is magnetically connected to the limiting magnetic block 9. The limiting magnetic block 9 and the mounting slot 53 can limit the rotation angle of the rotating bar 81 to 90°. When necessary, the rotating bar 81 can be kept in a vertical state and will not rotate, so as to ensure the stability of the first telescopic push rod 82 and the second telescopic push rod 83 during use. The rotating bar 81 is rotatably connected to the first support plate 5 through a screw rod. The screw rod is provided with a spring to ensure that the rotating bar 81 always abuts against the inner wall of one side of the bar hole 52 to prevent the rotating bar 81 from shaking along the axial direction of the screw rod.

[0037] Example 2

[0038] This embodiment provides a method for using a convenient auxiliary device, which is applicable to the convenient auxiliary device described in Example 1. The method includes:

[0039] Step 1: Make the surface of the first limiting plate 2 parallel to the horizontal direction, with the surface of the plate where the adhesive fixing area 21 is located facing upward horizontally; fix the target adhesive 200 in the adhesive fixing area 21;

[0040] Step 2: Move the target workpiece 100 so that its bonding area is aligned with the target adhesive 200 to complete the initial bonding; arrange the second limiting plate 3 above the target workpiece 100 and the size limiting part; in this step, the middle part of the second limiting plate 3 needs to be adjusted to be directly above the target workpiece 100 (see Example 1 for details), and the second limiting plate 3 also needs to cover all size limiting parts, so that all size limiting parts are located between the first limiting plate 2 and the second limiting plate 3.

[0041] Step 3: Place the first limiting plate 2 and the second limiting plate 3 on the first supporting plate 5, adjust the positions of the first limiting plate 2 and the second limiting plate 3 with the help of the limiting member and the auxiliary fixing member 8, and fix the first limiting plate 2 and the second limiting plate 3 within the specified range on the first supporting plate 5;

[0042] Step 4: Determine whether there is a gap between the second limit plate 3 and the size limiting part. If so, place a counterweight on the top plate of the second limit plate 3; determine whether there is a gap between the second limit plate 3 and the top of the target workpiece 100. If so, adjust the telescopic top rod 41 of the telescopic tightening mechanism 4 to pass through the second through hole 51 and the first through hole 22 in sequence to abut the bottom of the target workpiece 100, and push the target workpiece 100 to move upward until there is no gap between the second limit plate 3 and the top of the target workpiece 100; after standing for a preset time (for example, 24 hours), complete the bonding.

[0043] The above method and steps can be used to obtain a finished workpiece with high-precision dimensions at a low cost. Since the convenient auxiliary device has a simple structure, low cost and can be used repeatedly, it can be produced on a large scale, effectively improving the output efficiency of finished workpieces.

[0044] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.

[0045] The above are merely embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A convenient auxiliary device for high-precision workpiece bonding, characterized in that: The convenient auxiliary device comprises: a size limiting component for limiting the size of a finished workpiece and a support component for supporting the finished workpiece limiting component, wherein the finished workpiece is formed by bonding a target workpiece (100) to a target adhesive component (200); the size limiting component comprises a size limiting component, a first limiting plate (2) and a second limiting plate (3) arranged parallel to both ends of the size limiting component, wherein one end of the size limiting component is fixedly connected to the first limiting plate (2), and the other end of the size limiting component is in contact with the second limiting plate (3), and the plate surface of the second limiting plate (3) facing away from the first limiting plate (2) can be used to bear external pressure; The first limiting plate (2) is also provided with an adhesive fixing area (21) adapted to the target adhesive (200) on the plate surface connected to the size limiting member; The size defined by the size limiting member is equal to the desired size of the finished workpiece; The size limiting piece comprises a length limiting block, a width limiting block or a height limiting block (1).

2. The convenient auxiliary device for high-precision workpiece bonding according to claim 1, characterized in that: The size limiting assembly further comprises a telescopic pressing mechanism (4), the telescopic pressing mechanism (4) comprising a fixed component and a telescopic push rod (41) connected to each other, the fixed component being fixedly connected to the support frame, and the telescopic push rod (41) being capable of passing through a first through hole (22) pre-opened on the first limiting plate (2) and abutting against a target workpiece (100).

3. The convenient auxiliary device for high-precision workpiece bonding according to claim 2, characterized in that: The end of the telescopic top rod (41) is covered with a flexible wrapping piece.

4. The convenient auxiliary device for high-precision workpiece bonding according to claim 2, characterized in that: The support assembly comprises a first support plate (5), a second support plate (6) and a support frame for fixing the first support plate (5) and the second support plate (6); the first support plate (5), the second support plate (6), the first limit plate (2) and the second limit plate (3) are parallel to each other; and a plurality of limit members for limiting the first limit plate (2) and the second limit plate (3) within a specified range are fixed on the first support plate (5); The fixing component of the telescopic pressing mechanism (4) is fixed on the second support plate (6); when the first limit plate (2) is located within the specified range, the second through hole (51) pre-opened on the first support plate (5) is aligned and connected with the first through hole (22); the telescopic push rod (41) can pass through the second through hole (51) and the first through hole (22) in sequence to abut against the target workpiece (100).

5. The convenient auxiliary device for high-precision workpiece bonding according to claim 4, characterized in that: The limiting member comprises a positioning bolt (7), the length direction of the positioning bolt (7) being perpendicular to the plate surface of the first support plate (5); when the first limiting plate (2) and the second limiting plate (3) are located within the specified range, the first limiting plate (2) and the second limiting plate (3) respectively abut against the side walls of all the positioning bolts (7).

6. The convenient auxiliary device for high-precision workpiece bonding according to claim 5, characterized in that: When the first limit plate (2) and the second limit plate (3) are located within the specified range, all the positioning bolts (7) are distributed beside the two adjacent side walls of the first limit plate (2); the convenient auxiliary device also includes an auxiliary fixing member (8) arranged near the other two side walls of the first limit plate (2), and the auxiliary fixing member (8) is connected to the first support plate (5) and is used to cooperate with the positioning bolts (7) to fix the first limit plate (2) and the second limit plate (3) within the specified range.

7. The convenient auxiliary device for high-precision workpiece bonding according to claim 6, characterized in that: The auxiliary fixing member (8) includes: a rotating bar (81), a first telescopic push rod (82) and a second telescopic push rod (83) respectively connected to the rotating bar (81); the telescopic end of the first telescopic push rod (82) can abut against the side wall of the first limiting plate (2) to cooperate with the positioning bolt (7) to fix the position of the first limiting plate (2); the telescopic end of the second telescopic push rod (83) can abut against the side wall of the second limiting plate (3) to cooperate with the positioning bolt (7) to fix the position of the second limiting plate (3); the The first support plate (5) is provided with a bar hole (52) adapted to the rotating bar (81), the rotating bar (81) is passed through the bar hole (52) and is rotatably connected to the first support plate (5), the first support plate (5) is further provided with a mounting groove (53) connected to the bar hole (52), the mounting groove (53) is adapted to the first telescopic push rod (82), the second telescopic push rod (83) and the rotating bar (81) connected to the first telescopic push rod (82) and the second telescopic push rod (83).

8. The convenient auxiliary device for high-precision workpiece bonding according to claim 7, characterized in that: The auxiliary fixing member (8) further comprises a limiting magnetic block (9) fixed on the second support plate (6), and a side wall of the rotating bar (81) away from one end of the second telescopic push rod (83) is magnetically connected to the limiting magnetic block (9).

9. The convenient auxiliary device for high-precision workpiece bonding according to claim 7, characterized in that: The rotating bar (81) is rotatably connected to the first support plate (5) via a screw rod, and a spring is sleeved on the screw rod to ensure that the rotating bar (81) always abuts against the inner wall of one side of the bar hole (52).

10. A method for using a convenient auxiliary device, characterized in that: The convenient auxiliary device according to any one of claims 1 to 9, wherein the method of use comprises: Step 1: The surface of the first limiting plate (2) is parallel to the horizontal direction, with the surface of the plate provided with the adhesive fixing area (21) facing upward horizontally; the target adhesive (200) is fixed in the adhesive fixing area (21); Step 2: Move the target workpiece (100) so that its bonding area is aligned with the target bonding member (200) to complete preliminary bonding; arrange the second limiting plate (3) above the target workpiece (100) and the size limiting member; Step 3: placing the first limiting plate (2) and the second limiting plate (3) on the first supporting plate (5), adjusting the positions of the first limiting plate (2) and the second limiting plate (3) with the aid of the limiting member and the auxiliary fixing member (8), and fixing the first limiting plate (2) and the second limiting plate (3) within a specified range on the first supporting plate (5); Step 4: Determine whether there is a gap between the second limiting plate (3) and the top of the target workpiece (100); if so, evenly arrange counterweights on the top plate of the second limiting plate (3); adjust the telescopic push rod (41) of the telescopic pressing mechanism (4) to pass through the second through hole (51) and the first through hole (22) in sequence to abut against the bottom of the target workpiece (100), and push the target workpiece (100) upward until there is no gap between the second limiting plate (3) and the top of the target workpiece (100); and complete the bonding after standing for a preset time.

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