High-precision automatic plug-in assembly machine and assembly method thereof

Abstract

The application aims to provide a high-precision automatic plug-in assembly machine and an assembly method thereof, which are simple in structure, high in positioning accuracy, convenient and fast in product positioning and assembly, and high in production efficiency. The application comprises a lower box body and an upper protective cover. The lower box body is provided with a product A adjusting module. The product A adjusting module comprises a carrier table arranged at a movable end of a Z-axis adjusting sliding table. The carrier table is provided with two sets of positioning modules A matched with two product A positioning grooves. Floating pressing positioning modules A are arranged above the two sets of positioning modules A. The lower box body is further provided with product B adjusting modules located at both sides of the product A adjusting module. The product B adjusting modules comprise carrier plates arranged at movable ends of XY adjusting sliding tables. The carrier plates are provided with positioning modules B matched with product B positioning grooves. Floating pressing positioning modules B are arranged above the positioning modules B. The two product A positioning grooves correspond to the product B positioning grooves at both sides. The application is applied to the technical field of product butt joint assembly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of product docking assembly, and particularly relates to a high-precision automatic plug-in assembly machine and an assembly method thereof. BACKGROUND

[0002] At present, a complete product often needs to be assembled to be completely presented in front of our eyes. The connection modes between two assembled products mainly include riveting connection, threaded connection, welding connection, hinged connection and sleeve connection. With the continuous development and progress of science and technology, the control of the precision and quality of products is higher and higher. The demand for lightness, miniaturization, high integration and precision of various electronic products is higher and higher. In the testing and assembly process, high-precision positioning and motion modules are needed to ensure the correct positional relationship between two products before connection, so as to meet the assembly precision between products and improve the quality of products.

[0003] In the prior art, the positioning of two products before assembly is mainly achieved by the cooperation of pins and guide sleeves. However, the pins and guide sleeves will have positioning errors due to machining and assembly. If the product is a soft and hard combination board which is difficult to position and has high butt joint precision, the pins and guide sleeves cannot achieve high-precision positioning and assembly. In addition, the traditional equipment can only position and assemble one group of products at a time, and the production efficiency is not high. Therefore, it is necessary to propose a new technical scheme to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the application is to overcome the shortcomings of the prior art, and provide a high-precision automatic plug-in assembly machine and an assembly method thereof, which are simple in structure, high in positioning precision, convenient and fast in product positioning and assembly, and improve production efficiency.

[0005] The technical scheme adopted by the application is: the application comprises a lower box body and an upper protective cover. A product A adjusting module is arranged on the lower box body. The product A adjusting module comprises a carrier which is arranged on the movable end of a Z-axis adjusting sliding table. Two sets of positioning modules A are arranged on the carrier and are matched with two product A positioning grooves. Floating pressing positioning modules A are arranged above the two sets of positioning modules A. Product B adjusting modules are arranged on both sides of the product A adjusting module on the lower box body. The product B adjusting modules comprise carrier plates which are arranged on the movable ends of XY adjusting sliding tables. Positioning modules B are arranged on the carrier plates and are matched with product B positioning grooves. Floating pressing positioning modules B are arranged above the positioning modules B. The two product A positioning grooves correspond to the product B positioning grooves on both sides.

[0006] Further, the product A adjusting module further comprises a base, a cylinder mounting seat and a three-axis cylinder A, both the cylinder mounting seat and the three-axis cylinder A are fixed on the base, and a movable end of the three-axis cylinder A is provided with a pressing plate A matched with the floating pressing and positioning module A.

[0007] Further, the product B adjusting module further comprises a side pushing cylinder, a sliding table mounting seat and a three-axis cylinder B, the sliding table mounting seat is arranged at a movable end of the side pushing cylinder, and a movable end of the three-axis cylinder B is provided with a pressing plate B matched with the floating pressing and positioning module B.

[0008] Further, the positioning module A comprises a push block base A, a push block A, a spring A, a Y-shaped positioning block and a stop block, one end of the push block A is detachably fixed with the Y-shaped positioning block, the other end of the push block A is provided with a stop block floating groove matched with the stop block, the push block base A is provided with a push block sliding groove matched with the push block A and a stop block mounting groove matched with the stop block, and the side wall of the stop block floating groove and the side surface of the stop block are both provided with spring mounting holes A matched with the spring A.

[0009] Further, the positioning module B comprises a base B, a work-shaped positioning block, a spring B and a cover plate, the base B is provided with a work-shaped sliding groove slidingly matched with the work-shaped positioning block, and the inner wall of the work-shaped sliding groove and the groove side wall of the work-shaped positioning block are both provided with spring mounting holes B matched with the spring B.

[0010] Further, the floating pressing and positioning module A comprises an upper pressing plate A and two groups of elastic expansion modules matched with the two groups of positioning modules A respectively, each of the two groups of elastic expansion modules comprises a pressing head stop block and a wedge-shaped pressing head A, a spring E is arranged between the pressing head stop block and the wedge-shaped pressing head A, the upper pressing plate A is provided with two avoiding holes A matched with the two wedge-shaped pressing heads A respectively, the upper pressing plate A is floatingly arranged below the pressing plate A through a plurality of equal-height screws A and springs F, and the pressing plate A is provided with two pressing head stop block mounting grooves limiting matched with the two pressing head stop blocks.

[0011] Further, the floating pressing and positioning module B comprises an upper pressing plate B, an X wedge-shaped pressing head, a Y wedge-shaped pressing head and a pressing head stop plate, the X wedge-shaped pressing head and the Y wedge-shaped pressing head are both provided with a spring C between the pressing head stop plate, the upper pressing plate B is provided with an avoiding hole B matched with the X wedge-shaped pressing head and an avoiding groove B matched with the Y wedge-shaped pressing head, and the upper pressing plate B is floatingly arranged below the pressing plate B through a plurality of equal-height screws B and springs D.

[0012] Further, the ends of the push block A and the work-shaped positioning block are both curved surfaces.

[0013] Further, the upper pressing plate B is provided with two guide columns B and two elastic pressing rods B corresponding to the two product B positioning grooves, the carrier plate is provided with two guide sleeves B matched with the two guide columns B respectively, the lower end of the upper pressing plate A is provided with two guide columns A and elastic pressing rods A corresponding to the product A positioning groove, and the carrier is provided with two guide sleeves A matched with the two guide columns A.

[0014] An assembling method, comprising the following steps:

[0015] Step 1: manually or by an external mechanical hand, two products A and two products B are respectively placed in the product A positioning groove and the product B positioning groove;

[0016] Step 2: the equipment is started, the floating pressing and positioning module A and the floating pressing and positioning module B are simultaneously pressed, and two sets of positioning modules A and positioning modules B are used to accurately position the products A and products B;

[0017] Step 3: when the positioning of the products is completed, the products A and products B are respectively fixed by the floating pressing and positioning module A and the floating pressing and positioning module B;

[0018] Step 4: the two side pushing air cylinders are simultaneously pushed out, and the two products A and the two products B are simultaneously assembled by being inserted into each other;

[0019] Step 5: after the assembly is completed, the floating pressing and positioning module A and the floating pressing and positioning module B are simultaneously lifted, the manually or by an external mechanical hand, the assembled products are taken out, the two side pushing air cylinders are reset and used to assemble the next set of products, and the process is circularly repeated.

[0020] The product positioning process of the present application is more simple and efficient, the difficulty of product assembling and positioning is greatly reduced, the stability of the present application is greatly improved through the floating pressing and positioning structure design, the contact surfaces of the pushing block A and the wedge-shaped pressing head A and the contact surfaces of the work-shaped positioning block and the X wedge-shaped pressing head are all curved surfaces, and the pressing and positioning of the present application is more smooth.

[0021] In addition, the product A adjusting module and the product B adjusting module on both sides of the product A adjusting module are designed and arranged, so that the structure of the present application is more compact, the product A positioning groove and the product B positioning groove are matched with the floating pressing positioning module A and the floating pressing positioning module B respectively, two groups of products are pressed and positioned, and then assembled at the same time, the positioning and assembling difficulty of the products is greatly reduced, the operation is convenient and fast, the positioning precision is high, and the assembling efficiency and quality are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the three-dimensional structure of the present application;

[0023] Figure 2 is a schematic view of the three-dimensional structure of the product A adjusting module and the product B adjusting module;

[0024] Figure 3 is an exploded view of the product A adjusting module;

[0025] Figure 4 is a schematic view of the product A pressing and positioning structure;

[0026] Figure 5 is a schematic view of the positioning module A;

[0027] Figure 6 is an exploded view of the product B adjusting module;

[0028] Figure 7 is a schematic view of the product B pressing and positioning structure;

[0029] Figure 8 is a schematic view of the positioning module B. DETAILED DESCRIPTION

[0030] As Figures 1 to 8As shown, in the embodiment, the application comprises a lower box 1 and an upper protective cover 2, characterized in that: the lower box 1 is provided with a product A adjusting module 3, the product A adjusting module 3 comprises a carrier 34 provided at the movable end of a Z-axis adjusting sliding table 4, the carrier 34 is provided with two sets of positioning modules A 5 matched with two product A positioning grooves 30, two sets of the positioning modules A 5 are provided with a floating pressing positioning module A 6 above, the lower box 1 is also provided with a product B adjusting module 7 located at both sides of the product A adjusting module 3, the product B adjusting module 7 comprises a carrier plate 73 provided at the movable end of an XY adjusting sliding table 8, the carrier plate 73 is provided with a positioning module B 9 matched with a product B positioning groove 70, the positioning module B 9 is provided with a floating pressing positioning module B 10 above, and two product A positioning grooves 30 correspond to two product B positioning grooves 70 at both sides. As can be seen, the application mainly comprises a lower box 1, an upper protective cover 2, a product A adjusting module 3 and two product B adjusting modules 7, the product A adjusting module 3 and the two product B adjusting modules 7 are both arranged in the upper protective cover 2, the protective cover 2 is provided with a safety grating 20 for protecting operators, the Z-axis adjusting sliding table 4 and the XY adjusting sliding table 8 are both micrometer adjusting sliding tables, which are used for adjusting and calibrating the positions of the carrier 34 and the carrier plate 73, so that the calibration accuracy of the application is greatly increased, two product A positioning grooves 30 are located at both ends of the carrier 34, two sets of the positioning modules A 5 cooperate with the floating pressing positioning module A 6 to press the products in the product A positioning grooves 30, the product B positioning groove 70 is located at the end of the carrier plate 73, and the positioning module B 9 cooperates with the floating pressing positioning module B 10 to press the products in the product B positioning groove 70. Therefore, the application controls two sets of the positioning modules A 5 and the positioning module B 9 to accurately position the products by pressing the floating pressing positioning module A 6 and the floating pressing positioning module B 10, and simultaneously presses and fixes the products after positioning, so that the positioning accuracy and stability of the application for the products are greatly improved, meanwhile, through the structural arrangement of the two product B adjusting modules 7 at both sides of the product A adjusting module 3, the two product B adjusting modules 7 are simultaneously moved after the products are pressed and positioned, so that the product A in the product A positioning groove 30 and the product 3 in the product B positioning groove 70 are assembled and connected, so that the application can simultaneously assemble and connect two sets of products, greatly improving the production efficiency of the application, and having the advantages of simple structure, stability and reliability, and low production cost.

[0031] As Figure 3As shown, in this embodiment, the product A adjustment module 3 further includes a base 31, a cylinder mounting base 32, and a three-axis cylinder A33. Both the cylinder mounting base 32 and the three-axis cylinder A33 are fixed to the base 31. The movable end of the three-axis cylinder A33 is provided with a pressing plate A35 that cooperates with the floating pressing and positioning module A6. Therefore, the base 31 is fixed to the upper end of the lower housing 1, the cylinder mounting base 32 is used to fix the Z-axis adjustment slide 4 and the three-axis cylinder A33, and the three-axis cylinder A33 is used to drive the pressing plate A35, thereby achieving downward pressing of the floating pressing and positioning module A6 to position product A.

[0032] like Figure 6 As shown, in this embodiment, the product B adjustment module 7 further includes a side-push cylinder 71, a slide mount 72, and a three-axis cylinder B75. The slide mount 72 is located at the movable end of the side-push cylinder 71, and the movable end of the three-axis cylinder B75 is provided with a pressing plate B74 that cooperates with the floating pressing and positioning module B10. Thus, the XY adjustment slide 8 is located at the upper end of the slide mount 72, and the three-axis cylinder B75 is located at the side end of the slide mount 72. The three-axis cylinder B75 is used to drive the pressing plate B74, thereby enabling the floating pressing and positioning module B10 to press downwards and position the product B. The side-push cylinder 71 is used to drive the slide mount 72, thereby allowing the product A on the platform 34 and the product B on the carrier plate 73 to be assembled together.

[0033] like Figure 4 and Figure 5 As shown, in this embodiment, the positioning module A5 includes a push block base A51, a push block A52, a spring A53, a Y-shaped positioning block 54, and a stop block 55. The Y-shaped positioning block 54 is detachably fixed to one end of the push block A52. The other end of the push block A52 is provided with a stop block floating groove 58 that matches the stop block 55. The push block base A51 is provided with a push block sliding groove 56 that matches the push block A52 and a stop block mounting groove 57 that matches the stop block 55. The side wall of the stop block floating groove 58 and the side of the stop block 55 are both provided with spring mounting holes A59 that match the spring A53. Therefore, the push block A52 is slidably disposed in the push block groove 56, the stop block 55 is used to limit the maximum moving distance of the push block A52, the spring A53 is used to reset the push block A52, and the Y-shaped positioning block 54 is fixed to one end of the push block A52 by screws. The Y-shaped positioning block 54 is used to limit the X and Y directions of product B and move to cooperate with the positioning groove 30 of product A to position product A.

[0034] like Figures 6 to 8As shown, in this embodiment, the positioning module B9 comprises a base B91, a workpiece positioning block 92, a spring B93 and a cover plate 94, the base B91 is provided with a workpiece sliding groove 95 which is in sliding fit with the workpiece positioning block 92, and the inner wall of the workpiece sliding groove 95 and the groove side wall of the workpiece positioning block 92 are both provided with spring mounting holes B96 which are adapted to the spring B93. Thus, the workpiece positioning block 92 is slidingly arranged in the workpiece sliding groove 95, and the spring B93 is used for resetting the workpiece positioning block 92, when the pressing plate B74 is pressed down, the workpiece positioning block 92 moves and limits the Y direction of the product B.

[0035] As shown in the drawings, Figures 2 to 4 As shown, in this embodiment, the floating pressing positioning module A6 comprises an upper pressing plate A11 and two sets of elastic expansion modules 12 which are respectively matched with two sets of the positioning module A5, and each of the two sets of elastic expansion modules 12 comprises a pressing head stop block 13 and a wedge-shaped pressing head A14, and a spring E15 is arranged between the pressing head stop block 13 and the wedge-shaped pressing head A14, the upper pressing plate A11 is provided with two avoiding holes A16 which are respectively adapted to the two wedge-shaped pressing heads A14, the upper pressing plate A11 is floatingly arranged below the pressing plate A35 through a plurality of equal-height screws A17 and springs F18, and the pressing plate A35 is provided with two pressing head stop block mounting grooves 19 which are limitingly matched with the two pressing head stop blocks 13. Thus, the spring F18 is sleeved on the equal-height screw A17 and connected with the upper pressing plate A11 at one end and connected with the pressing plate A35 at the other end, the pressing head stop block 13 is fixed at the bottom end of the upper pressing plate A11, when the upper pressing plate A11 is pressed down, the wedge-shaped pressing head A14 is in sliding fit with the push block A52, and the up-down movement of the wedge-shaped pressing head A14 is converted into the back-and-forth movement of the push block A52, so that the Y-shaped positioning block 54 positions the product A, and the product positioning process of the present application is more simple and efficient, and the stability of the present application is greatly improved through the floating structure design.

[0036] As shown in the drawings, Figure 2 and Figure 6As shown, in this embodiment, the floating pressing and positioning module B10 includes an upper pressure plate B60, an X-shaped pressure head 61, a Y-shaped pressure head 62, and a pressure head baffle 63. A spring C64 is provided between the X-shaped pressure head 61 and the Y-shaped pressure head 62 and the pressure head baffle 63. The upper pressure plate B60 is provided with a clearance hole B65 adapted to the X-shaped pressure head 61 and a clearance groove B66 adapted to the Y-shaped pressure head 62. The upper pressure plate B60 is floatingly disposed below the pressing plate B74 by a number of equal-height screws B67 and springs D68. Therefore, the pressure head baffle 63 is fixed to the bottom end of the upper pressure plate B60, and the X-shaped pressure head 61 is used to slide with the I-shaped positioning block 92. When the upper pressure plate B60 is pressed down, the up and down movement of the X-shaped pressure head 61 is converted into the back and forth movement of the I-shaped positioning block 92, thereby restricting the X direction of product B. The Y-shaped pressure head 62 is used to restrict the Y direction of product B. The contact surface between the Y-shaped pressure head 62 and product B is an inclined surface, which makes the pressing and positioning of the present invention more stable.

[0037] like Figure 5 and Figure 8 As shown, in this embodiment, the ends of both the push block A52 and the I-shaped positioning block 92 are curved surfaces 592 and 992. Therefore, the contact surfaces between the push block A52 and the wedge-shaped pressure head A14, and between the I-shaped positioning block 92 and the X-shaped wedge-shaped pressure head 61, are the curved surfaces 592 and 992, respectively, making the pressing and positioning of the present invention smoother.

[0038] like Figure 3 and Figure 6 As shown, in this embodiment, the lower end of the upper pressure plate B60 is provided with two guide posts B21 and two elastic pressure bars B22 corresponding to the two product B positioning slots 70. The carrier plate 73 is provided with guide sleeves B23 that are adapted to the two guide posts B21 respectively. The lower end of the upper pressure plate A11 is provided with two guide posts A24 and elastic pressure bars A25 corresponding to the product A positioning slots 30. The platform 34 is provided with guide sleeves A26 that are adapted to the two guide posts A24. It can be seen that the elastic pressure bars A25 are used to press and fix the product A. The design of the guide posts B21, the guide sleeves B23, the two guide posts A24, and the guide sleeves A26 further improves the positioning accuracy of the present invention. The elastic pressure bars B22 are used to press and fix the product B, thereby further improving the stability of the present invention.

[0039] An assembly method, in this embodiment, includes the following steps:

[0040] Step 1: Manually or with an external robotic arm, place two products A and two products B into the positioning slot 30 of product A and the positioning slot 70 of product B, respectively;

[0041] Step 2, the equipment starts, the floating pressing positioning module A6 and the floating pressing positioning module B10 are pressed at the same time, and two sets of positioning modules A5 and positioning modules B9 are matched to accurately position products A and products B;

[0042] Step 3, while the product positioning is completed, the product A and the product B are respectively pressed and fixed by the floating pressing positioning module A6 and the floating pressing positioning module B10;

[0043] Step 4, the two side push air cylinders 71 are pushed out at the same time, and two products A and two products B are simultaneously assembled by inserting;

[0044] Step 5, after the assembly is completed, the floating pressing positioning module A6 and the floating pressing positioning module B10 are lifted at the same time, and the assembled product is taken out by manual or external mechanical hand, the two side push air cylinders 71 are reset and the next set of products is assembled, and the reciprocating cycle is carried out in turn.

[0045] As can be seen from the above assembly method, by the design and layout of the product A adjusting module 3 and the product B adjusting module 7 located on both sides of the product A adjusting module 3, the product A positioning groove 30 and the product B positioning groove 70 are matched with the floating pressing positioning module A6 and the floating pressing positioning module B10 respectively, two sets of products are pressed and positioned at the same time, and then assembled at the same time, not only the operation is convenient and fast, the positioning and assembly difficulty of the product is reduced, but also the positioning precision is high, and the assembly efficiency is greatly improved.

[0046] Although the embodiments of the present application are described in actual schemes, but do not constitute a limitation on the meaning of the present application, for those skilled in the art, according to the modification of the embodiments and the combination with other schemes according to the present application are obvious.

Claims

1. A high-precision automatic plug-in assembly machine, comprising a lower box body (1) and an upper protective cover (2), characterized in that: The lower box (1) is provided with product A adjusting module (3), the product A adjusting module (3) includes the carrier (34) arranged in the movable end of Z axis adjusting sliding table (4), the carrier (34) is provided with two sets of positioning module A (5) matched with two product A positioning slots (30), two product A positioning slots (30) are respectively located at the two ends of the carrier (34), two sets of the positioning module A (5) are provided with floating pressing positioning module A (6) above, the lower box (1) is also provided with product B adjusting module (7) located at the both sides of the product A adjusting module (3), the product B adjusting module (7) includes the carrier plate (73) arranged in the movable end of XY adjusting sliding table (8), the carrier plate (73) is provided with positioning module B (9) matched with product B positioning slot (70), the product B positioning slot (70) is located at the end of the carrier plate (73), the positioning module B (9) is provided with floating pressing positioning module B (10) above, two product A positioning slots (30) correspond to the product B positioning slot (70) on the both sides respectively;The positioning module A (5) includes push block base A (51), push block A (52), spring A (53), Y type positioning block (54) and stop block (55), the Y type positioning block (54) is detachably fixed at one end of the push block A (52), the other end of the push block A (52) is provided with stop block floating groove (58) matched with the stop block (55), the push block base A (51) is provided with push block sliding groove (56) matched with the push block A (52) and stop block mounting groove (57) matched with the stop block (55), the sidewall of the stop block floating groove (58) and the side surface of the stop block (55) are both provided with spring mounting hole A (59) matched with the spring A (53); The product A adjusting module (3) further includes base (31), cylinder mounting seat (32) and three-axis cylinder A (33), the cylinder mounting seat (32) and the three-axis cylinder A (33) are both fixed on the base (31), the movable end of the three-axis cylinder A (33) is provided with pressing plate A (35) matched with the floating pressing positioning module A (6); The floating pressing positioning module A (6) includes upper pressing plate A (11) and two sets of elastic expansion modules (12) matched with two sets of the positioning module A (5) respectively, two sets of the elastic expansion modules (12) both include pressing head stop block (13) and wedge-shaped pressing head A (14), the spring E (15) is arranged between the pressing head stop block (13) and the wedge-shaped pressing head A (14), the upper pressing plate A (11) is provided with two avoidance holes A (16) matched with two wedge-shaped pressing head A (14) respectively, the upper pressing plate A (11) is floatingly arranged below the pressing plate A (35) through a plurality of equal height screws A (17) and spring F (18), the pressing plate A (35) is provided with two pressing head stop block mounting grooves (19) matched with two pressing head stop blocks (13).

2. The high precision automatic plug and play assembly machine of claim 1, wherein: The product B adjusting module (7) further comprises a side pushing cylinder (71), a sliding table mounting base (72) and a three-axis cylinder B (75), the sliding table mounting base (72) is arranged at the movable end of the side pushing cylinder (71), and the movable end of the three-axis cylinder B (75) is provided with a pressing plate B (74) matched with the floating pressing positioning module B (10).

3. The high precision automatic plug and play assembly machine of claim 2, wherein: The positioning module B (9) comprises a base B (91), a workpiece positioning block (92), a spring B (93) and a cover plate (94), the base B (91) is provided with a workpiece sliding groove (95) in sliding fit with the workpiece positioning block (92), and the inner wall of the workpiece sliding groove (95) and the groove side wall of the workpiece positioning block (92) are both provided with spring mounting holes B (96) matched with the spring B (93); The floating pressing positioning module B (10) comprises an upper pressing plate B (60), an X wedge-shaped pressing head (61), a Y wedge-shaped pressing head (62) and a pressing head baffle (63), the X wedge-shaped pressing head (61) and the Y wedge-shaped pressing head (62) are both provided with a spring C (64) between the pressing head baffle (63), the upper pressing plate B (60) is provided with an avoiding hole B (65) matched with the X wedge-shaped pressing head (61) and an avoiding groove B (66) matched with the Y wedge-shaped pressing head (62), and the upper pressing plate B (60) is floatingly arranged below the pressing plate B (74) through a plurality of equal-height screws B (67) and springs D (68).

4. The high precision automatic plug and play assembly machine of claim 3, wherein: The ends of the pushing block A (52) and the workpiece positioning block (92) are both curved surfaces (592, 992).

5. The high precision automatic plug and play assembly machine of claim 4, wherein: The lower end of the upper pressing plate B (60) is provided with two guide columns B (21) and two elastic pressing rods B (22) corresponding to the two product B positioning grooves (70), the carrier plate (73) is provided with guide sleeves B (23) matched with the two guide columns B (21) respectively, the lower end of the upper pressing plate A (11) is provided with two guide columns A (24) and an elastic pressing rod A (25) corresponding to the product A positioning groove (30), and the carrier table (34) is provided with guide sleeves A (26) matched with the two guide columns A (24).

6. An assembly method, which is realized by the high-precision automatic plug-in assembly machine of claim 5, characterized in that, It comprises the following steps: Step 1, manually or by an external mechanical hand, two product A and two product B are respectively placed in the product A positioning groove (30) and the product B positioning groove (70); Step 2, the equipment is started, the floating pressing positioning module A (6) and the floating pressing positioning module B (10) are simultaneously pressed, and two sets of positioning modules A (5) and positioning modules B (9) are matched to accurately position the product A and the product B; Step 3, when the product positioning is completed, the product A and the product B are respectively fixed by the floating pressing positioning module A (6) and the floating pressing positioning module B (10); Step 4, two side pushing cylinders (71) are simultaneously pushed out, and two product A and two product B are simultaneously assembled by inserting. Step 5, after assembly is completed, the floating press positioning module A (6) and the floating press positioning module B (10) are lifted up at the same time, and the assembled product is taken out manually or by an external mechanical hand, the two side push air cylinders (71) are reset and the next group of products is assembled, and the cycle is repeated in turn.

Images