Copper frame die bonding equipment

Abstract

The utility model discloses a copper frame die bonding device, comprising: a moving mechanism including an X-direction moving mechanism and a Y-direction moving mechanism, the X-direction moving mechanism being capable of realizing the movement of a copper frame in the X direction, and the Y-direction moving mechanism being capable of realizing the movement of the copper frame in the Y direction; the working platform is connected to the moving mechanism; the heating guide rail is connected to the working platform, and the heating guide rail is used for heating the copper frame; the sheet passing mechanism is connected to the working platform and located at the end of the heating guide rail, the sheet passing mechanism comprises a base, a guiding assembly and a sheet passing assembly, the guiding assembly and the sheet passing assembly are connected to the base, the base is connected to the working platform, and the guiding assembly is used for guiding the copper frame so that the copper frame can enter the sheet passing assembly; the sheet passing assembly is used for dragging the copper frame to enable the copper frame to move in the heating guide rail; and the pressing mechanism is connected to the working platform and used for pressing the copper frame on the heating guide rail.

Description

Technical Field

[0001] The utility model belongs to the technical field of crystal bonding equipment, and particularly relates to a copper frame crystal bonding equipment. Background Art

[0002] Die bonding is also called die bonding or chip mounting. Die bonding is the process of bonding the chip to the designated area of ​​the bracket through colloid (generally conductive glue or insulating glue for LED) to form a thermal or electrical path to provide conditions for subsequent wire bonding.

[0003] The copper frame includes steps such as coating, patching, and heating during the crystal bonding process. However, different equipment is usually used to perform each step in the crystal bonding process, which increases the production cost. In order to solve this problem, some equipment in the prior art integrates the various steps in these processes to reduce production costs. However, in the process of using existing crystal bonding equipment to bond the copper frame, it is necessary to frequently adjust the position of the copper frame and the crystal bonding mechanism to ensure that the crystal bonding mechanism corresponds to the copper frame, and the copper frame is easily offset when it is on the crystal bonding equipment. Therefore, a device is needed that can adjust the position of the copper frame at any time and ensure the stability of the copper frame on the crystal bonding equipment. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a copper frame crystal bonding equipment to solve the problem in the prior art that the position of the copper frame can be adjusted at any time during the crystal bonding process and the stability of the copper frame on the crystal bonding equipment can be ensured.

[0005] A copper frame die bonding device, the die bonding device comprising:

[0006] The moving mechanism includes an X-direction moving mechanism and a Y-direction moving mechanism. The X-direction moving mechanism can realize the movement of the copper frame in the X direction, and the Y-direction moving mechanism can realize the movement of the copper frame in the Y direction.

[0007] A working platform is connected to the moving mechanism.

[0008] A heating rail is connected to the working platform and is used to heat the copper frame.

[0009] A film-passing mechanism, which is connected to the working platform and is located at the tail end of the heating rail. The film-passing mechanism includes a base and a guide assembly and a film-passing assembly connected to the base. The base is connected to the working platform. The guide assembly is used to guide the copper frame so that the copper frame can enter the film-passing assembly. The film-passing assembly is used to drag the copper frame so that the copper frame moves in the heating rail.

[0010] A clamping mechanism is connected to the working platform and is used to clamp the copper frame on the heating guide rail.

[0011] Preferably, the moving mechanism in the X-direction includes an X-axis driving motor, an X-axis driving screw, an X-axis guide rail, an X-axis slider and an X-axis worktable, the X-axis guide rail is connected to the X-axis worktable, the X-axis slider is connected to the X-axis guide rail, the X-axis driving motor is connected to the X-axis worktable, the driving end of the X-axis driving motor is connected to the X-axis driving screw, a sliding nut is connected to the X-axis driving screw, and the X-axis slider is connected to the sliding nut; wherein, the X-axis driving motor drives the X-axis driving screw to rotate, and when the X-axis driving screw rotates, the sliding nut can move on the X-axis driving screw, thereby driving the X-axis slider to move on the X-axis guide rail, thereby realizing the movement of the work platform in the X-direction.

[0012] Preferably, the moving mechanism in the Y direction includes a Y-axis driving motor, a Y-axis driving screw, a Y-axis guide rail, a Y-axis slider and a Y-axis worktable, the Y-axis worktable is connected to the moving mechanism in the X direction, the Y-axis guide rail is connected to the Y-axis worktable, the Y-axis slider is connected to the Y-axis guide rail, the Y-axis driving motor is connected to the Y-axis worktable, the driving end of the Y-axis driving motor is connected to the Y-axis driving screw, a sliding nut is connected to the Y-axis driving screw, and the Y-axis slider is connected to the sliding nut; wherein, the Y-axis driving motor drives the Y-axis driving screw to rotate, and when the Y-axis driving screw rotates, the sliding nut can move on the Y-axis driving screw, thereby driving the Y-axis slider to move on the Y-axis guide rail, thereby realizing the movement of the work platform in the Y direction.

[0013] Preferably, the working platform is connected to a plurality of linearly arranged support components, each of which includes a connecting plate, a support column, a support plate and a reinforcing rib, the connecting plate is connected to the working platform, the support column is connected to the connecting plate, the support plate is connected to the support column, the reinforcing rib is inclined and connected between the connecting plate and the support plate, and the heating rail is connected to the support plate.

[0014] Preferably, the film transfer assembly includes a driving motor, a driving wheel, a synchronous wheel, a synchronous belt, a sandblasting roller and a flexible pressure wheel, the driving motor is connected to the base, the driving end of the driving motor is connected to the driving wheel, the synchronous belt is sleeved between the driving wheel and the synchronous wheel, the sandblasting roller is connected to the synchronous wheel, the flexible pressure wheel is arranged above the sandblasting roller, the flexible pressure wheel can press the copper frame onto the sandblasting roller, and the sandblasting roller can drag the copper frame in the horizontal direction when rotating.

[0015] Preferably, the base is connected to a bracket, the bracket is connected to a connecting shaft, and two flexible pressure wheels are connected to both ends of the connecting shaft; wherein the flexible pressure wheel includes a large end and a small end, a notch is formed on the small end, and the notch is used to connect the flexible pressure wheel and the connecting shaft.

[0016] Preferably, the guide assembly includes a first guide plate, a second guide plate and a supporting connecting plate, the supporting connecting plate is connected to the base and is located at the end of the film-passing assembly, the first guide plate is located on the first end of the supporting connecting plate, the second guide plate is located on the second end of the supporting connecting plate, and the second guide plate can move on the supporting connecting plate; wherein, the first guide plate and the second guide plate are provided with guide grooves, the copper frame can be placed in the guide grooves, and the distance between the second guide plate and the first guide plate can be adjusted to accommodate copper frames of different widths.

[0017] Preferably, the first guide plate is configured as a stepped guide plate, an upper step portion of the stepped guide plate is connected to the base, and a lower step portion of the stepped guide plate is connected to the first end of the supporting link plate.

[0018] Preferably, the clamping mechanism includes a connecting seat, a lifting plate, a connecting plate, a clamping plate, a tension spring and a cylinder, the connecting seat is connected to the working platform, a limiting groove is formed on the lifting plate, a limiting block is connected to the connecting seat, the limiting block is arranged in the limiting groove, the lifting plate is connected to the connecting plate, the connecting plate is connected to the cylinder, the clamping plate is connected to the lifting plate, one end of the tension spring is connected to the lifting plate, and the other end of the tension spring is connected to the connecting seat.

[0019] Preferably, the heating guide rail includes a guide rail, a front cover plate, a rear cover plate, a ventilation assembly and a heating assembly, the front cover plate and the rear cover plate are both connected to the top of the guide rail to cover the top of the guide rail, and the clamping mechanism is arranged between the front cover plate and the rear cover plate.

[0020] Wherein, the ventilation assembly includes: a front protective air diffuser plate, a rear protective air diffuser plate, a protective air pipe, and a cooler joint. The front protective air diffuser plate is connected to the guide rail and is located below the front cover plate, the rear protective air diffuser plate is connected to the guide rail and is located below the rear cover plate, the protective air pipe is connected to the guide rail, and the cooler joint is connected to the protective air pipe.

[0021] The heating assembly includes: a thermocouple, a front side insulation plate, a rear side insulation plate, a lower insulation plate, an insulation gasket, and a wiring harness protection plate. The thermocouple is inserted into the guide rail, the front side insulation plate and the rear side insulation plate are respectively connected to the sides of the guide rail, the lower insulation plate is connected to the bottom of the guide rail, the insulation gasket is arranged between the lower insulation plate and the guide rail, and the wiring harness protection plate is connected to the guide rail and is located below the front cover plate and the rear cover plate.

[0022] Among them, a lower decorative panel is arranged below the lower insulation panel, a front decorative panel is arranged on the side of the front side insulation panel, and a rear decorative panel is arranged on the side of the rear side insulation panel. The lower decorative panel, the front decorative panel, the rear decorative panel, the front cover panel and the rear cover panel wrap the guide rail.

[0023] Compared with the existing technology, the utility model has the following beneficial effects:

[0024] The copper frame die bonding equipment can adjust the position of the copper frame by using a moving mechanism to achieve accurate positioning of the copper frame in the X-axis and Y-axis directions, and is provided with a film-passing mechanism to ensure a smooth transition of the copper frame during heating, die bonding and cooling. The workbench is equipped with a frame clamping mechanism to ensure the stability of the copper frame during the die bonding process. The die bonding equipment can be used not only for copper frames, but is particularly suitable for die bonding in the semiconductor industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0026] Figure 1 It is a structural schematic diagram of the crystal bonding equipment provided by the utility model;

[0027] Figure 2 yes Figure 1 A magnified view of part A;

[0028] Figure 3 It is a structural schematic diagram of the crystal bonding equipment provided by the utility model;

[0029] Figure 4 Figure 1 A magnified view of part B;

[0030] Figure 5 It is a structural schematic diagram of the crystal bonding equipment provided by the utility model;

[0031] Figure 6a It is an assembly diagram of the heating guide rail provided by the utility model;

[0032] Figure 6b It is an exploded view of the heating rail provided by the utility model;

[0033] Figure 6c It is an exploded view of the heating rail provided by the utility model;

[0034] Figure 7 It is a structural schematic diagram of the film-transfer mechanism provided by the utility model;

[0035] Figure 8 It is a structural schematic diagram of the clamping mechanism provided by the utility model;

[0036] Description of main reference numerals:

[0037] 1-moving mechanism, 11-moving mechanism in X direction, 111-X axis driving motor, 112-X axis driving screw, 113-X axis guide rail, 114-X axis slider, 115-X axis workbench; 12-moving mechanism in Y direction, 121-Y axis driving motor, 122-Y axis driving screw, 123-Y axis guide rail, 124-Y axis slider, 125-Y axis workbench; 2-working platform; 3-heating guide rail, 31-guide rail, 32-front cover plate, 33-rear cover plate, 34-ventilation assembly, 35-heating assembly, front protective gas diffuser plate 341, rear protective gas diffuser plate 342, protective gas pipe 343, cooler joint 344, thermocouple 351, front side heat insulation plate 352, rear side heat insulation plate 353, lower heat insulation plate 354, heat insulation gasket 355, wiring harness protection plate 356, lower decorative plate 36, front decorative plate 37, rear decorative plate 38; 4-film-passing mechanism, 41- Base, 42-guide assembly, 43-sheet-passing assembly; 421-first guide plate, 422-second guide plate, 423-support connecting plate, 420-guide groove, 4211-upper step portion of the stepped guide plate, 4212-lower step portion of the stepped guide plate; 431-driving motor, 432-driving wheel, 433-synchronous wheel, 434-synchronous belt, 435-sandblasting roller, 436-flexible pressure wheel, 437-bracket , 438-connecting shaft, 4361-large end of the flexible pressure wheel, 4362-small end of the flexible pressure wheel; 5-clamping mechanism, 51-connecting seat, 52-lifting plate, 53-connecting plate, 54-clamping plate, 55-tension spring, 56-cylinder, 57-limiting block, 50-limiting groove; 58-connecting column, 59-connecting rod; 6-support assembly, 61-connecting plate, 62-support column, 63 support plate, 64-reinforcement rib; 7-copper frame. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0039] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inside", "outside", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If the terms "first", "second", "third" are described, they are only used for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is a description of the embodiments of the present invention based on its overall structure.

[0042] See also Figure 1 and Figure 7The crystal bonding equipment includes: a moving mechanism 1, a working platform 2, a heating rail 3, a film feeding mechanism 4, and a pressing mechanism 5. The moving mechanism 1 includes an X-direction moving mechanism 11 and a Y-direction moving mechanism 12. The X-direction moving mechanism 11 can realize the movement of the copper frame 7 in the X direction, and the Y-direction moving mechanism 12 can realize the movement of the copper frame 7 in the Y direction. The working platform 2 is connected to the moving mechanism 1; the heating rail 3 is connected to the working platform 2, and the heating rail 3 is used to heat the copper frame 7. The film-passing mechanism 4 is connected to the working platform 2 and is located on the tail end of the heating guide rail 3. The film-passing mechanism 4 includes a base 41 and a guide component 42 and a film-passing component 43 connected to the base 41. The base 41 is connected to the working platform 2. The guide component 42 is used to guide the copper frame 7 so that the copper frame 7 can enter the film-passing component 43. The film-passing component 43 is used to drag the copper frame 7 so that the copper frame 7 can move smoothly on the heating guide rail 3; the clamping mechanism 5 is connected to the working platform 2, and is used to clamp the copper frame 7 on the heating guide rail 3.

[0043] See also Figure 1 and Figure 3 In a preferred embodiment, the moving mechanism 11 in the X-direction includes an X-axis driving motor 111, an X-axis driving screw rod 112, an X-axis guide rail 113, an X-axis slider 114 and an X-axis worktable 115, the X-axis guide rail 113 is connected to the X-axis worktable 115, the X-axis slider 114 is connected to the X-axis guide rail 113, the X-axis driving motor 111 is connected to the X-axis worktable 115, the driving end of the X-axis driving motor 111 is connected to the X-axis driving screw rod 112, a sliding nut is connected to the X-axis driving screw rod 112, and the X-axis slider 114 is connected to the sliding nut; wherein, the X-axis driving motor 111 can drive the X-axis driving screw rod 112 to rotate, and when the X-axis driving screw rod 112 rotates, the sliding nut can be moved on the X-axis driving screw rod 112, thereby driving the X-axis slider 114 to move on the X-axis guide rail 113, thereby realizing the movement of the working platform 2 in the X-direction, and also realizing the positioning of the copper frame 7 in the X-direction.

[0044] See also Figure 1 and Figure 3 Specifically, an X-axis guide rail 113 is respectively provided at both ends of the X-axis worktable 115, and the X-axis drive motor 111 is connected to the side of the X-axis worktable 115. A through hole is provided on the X-axis worktable 115 for the X-axis drive screw 112 to pass through the X-axis worktable 115. The X-axis worktable 115 is arranged in a stepped shape, and the sliding nut is exposed on the top of the X-axis worktable 115 so that the sliding nut can be connected to the X-axis slider 114.

[0045] See also Figure 1 and Figure 3In a preferred embodiment, the Y-direction moving mechanism 12 includes a Y-axis driving motor 121, a Y-axis driving screw rod 122, a Y-axis guide rail 123, a Y-axis slider 124 and a Y-axis worktable 125, the Y-axis worktable 125 is connected to the X-direction moving mechanism 11, the Y-axis guide rail 123 is connected to the Y-axis worktable 125, the Y-axis slider 124 is connected to the Y-axis guide rail 123, the Y-axis driving motor 121 is connected to the Y-axis worktable 125, the driving end of the Y-axis driving motor 121 is connected to the Y-axis driving screw rod 122, a sliding nut is connected to the Y-axis driving screw rod 122, and the Y-axis slider 124 is connected to the sliding nut; wherein the Y-axis driving motor 121 can drive the Y-axis driving screw rod 122 to rotate, and when the Y-axis driving screw rod 122 rotates, the sliding nut can move on the Y-axis driving screw rod 122, thereby driving the Y-axis slider 124 to move on the Y-axis guide rail 123, thereby realizing the movement of the working platform 2 in the Y direction.

[0046] See also Figure 1 and Figure 3 Specifically, a Y-axis guide rail 123 is provided at each end of the Y-axis worktable 125, and the Y-axis driving motor 121 is connected to the side of the Y-axis worktable 125. A through hole is provided on the Y-axis worktable 125, through which the Y-axis driving screw 122 can pass. The Y-axis worktable 125 is set in a stepped shape, and the sliding nut is exposed on the top of the Y-axis worktable 125, so that the sliding nut can be connected with the Y-axis slider 124. In addition, the Y-axis worktable 125 is connected to the X-axis slider 114, so that the positioning of the copper frame 7 in the X direction and the Y direction is realized.

[0047] See also Figure 1 and Figure 5 In a preferred embodiment, a plurality of linearly arranged support assemblies 6 are connected to the working platform 2, each support assembly 6 includes a connecting plate 61, a support column 62, a support plate 63 and a reinforcing rib 64, the connecting plate 61 is connected to the working platform 2, the support column 62 is connected to the connecting plate 61, the support plate 63 is connected to the support column 62, the reinforcing rib 64 is inclined and connected between the connecting plate 61 and the support plate 63, and the heating guide rail 3 is connected to the support plate 63.

[0048] Specifically, the reinforcing ribs 64 are arranged at an angle to form a triangle, and the stability of the triangle is used to make the support more stable.

[0049] See also Figure 2 , Figure 4 and Figure 7In a preferred embodiment, the film transfer assembly 43 includes a driving motor 431, a driving wheel 432, a synchronous wheel 433, a synchronous belt 434, a sandblasting roller 435 and a flexible pressure wheel 436. The driving motor 431 is connected to the base 41, the driving end of the driving motor 431 is connected to the driving wheel 432, the synchronous belt 434 is sleeved between the driving wheel 432 and the synchronous wheel 433, the sandblasting roller 435 is connected to the synchronous wheel 433, and the flexible pressure wheel 436 is arranged above the sandblasting roller 435. The flexible pressure wheel 436 can press the copper frame 7 against the sandblasting roller 435. When the sandblasting roller 435 rotates, it drags the copper frame 7 to move in the horizontal direction.

[0050] See also Figure 2 , Figure 4 and Figure 7 Specifically, the base 41 is set as a stepped base, and the driving motor 431 can be placed in the middle of the stepped base. The driving end of the driving motor 431 is set on the side of the stepped base, so that the driving end of the driving motor 431 passes through the stepped base and is connected to the driving wheel 432 on its side. The synchronous wheel 433 is connected to the uppermost step side of the stepped base. The sandblasting roller 435 is set in the middle of the stepped base, and one end of the sandblasting roller 435 is connected to the synchronous wheel 433 on the side of the stepped base, and the other end of the sandblasting roller 435 is connected to the stepped base. The driving wheel 432 rotates under the drive of the driving motor 431, thereby driving the synchronous wheel 433 to rotate through the synchronous belt 434, and also driving the sandblasting roller 435 to rotate. The copper frame 7 is located on the sandblasting roller 435. When the sandblasting roller 435 rotates, the copper frame 7 moves, thereby dragging the copper frame 7.

[0051] See also Figure 2 , Figure 4 and Figure 7 In a preferred embodiment, a bracket 473 is connected to the base 41, a connecting shaft 438 is connected to the bracket 47, and two flexible pressure wheels 436 are connected to both ends of the connecting shaft 438; wherein the flexible pressure wheel 436 includes a large end and a small end, i.e., a flexible pressure wheel large end 4361 and a flexible pressure wheel small end 4362, and a notch is formed on the small end, and the notch is used to connect the flexible pressure wheel 436 and the connecting shaft 438.

[0052] See also Figure 2 , Figure 4 and Figure 7Specifically, two brackets 473 are connected to the top steps of the stepped base, respectively, to support the flexible pressure wheel 436. The function of the flexible pressure wheel 436 is to apply a certain pressure to the copper frame 7 on the sandblasting roller 435, so that the copper frame 7 can be smoothly dragged and transported on the sandblasting roller 435. Two flexible pressure wheels 436 are provided to respectively press the copper frame 7 on both sides of the sandblasting roller 435. The connecting shaft 438 is directly passed through the flexible pressure wheel 436 and then connected to the bracket 473. Among them, the structure of the flexible pressure wheel 436 is set to have a flexible pressure wheel large end 4361 and a flexible pressure wheel small end 4362, the purpose of which is to adapt to copper frames 7 of different widths and thicknesses.

[0053] See also Figure 2 , Figure 4 and Figure 7 In a preferred embodiment, the guide assembly 42 includes a first guide plate 421, a second guide plate 422 and a supporting connecting plate 423. The supporting connecting plate 423 is connected to the base 41 and is located at the end of the film-passing assembly 43. The first guide plate 421 is located on the first end of the supporting connecting plate 423, and the second guide plate 422 is located on the second end of the supporting connecting plate 423. The second guide plate 423 can move on the supporting connecting plate 423. The first guide plate 421 and the second guide plate 422 are provided with guide grooves 420. When the copper frame 7 passes through the film-passing mechanism, the guide grooves 420 can guide the copper frame 7. The distance between the second guide plate 422 and the first guide plate 421 can be adjusted to accommodate copper frames of different widths.

[0054] For details, see Figure 2 The supporting connecting plate 423 is an L-shaped supporting plate, which is used to support the first guide plate 421 and the second guide plate 422 on the side of the base 41.

[0055] See also Figure 2 , Figure 4 and Figure 7 In a preferred embodiment, the first guide plate 421 is configured as a stepped guide plate, the upper step portion 4211 of the stepped guide plate is connected to the base 41, and the lower step portion 4212 of the stepped guide plate is connected to the first end of the supporting connecting plate 423.

[0056] For details, see Figure 2 The upper step portion 4211 of the stepped guide plate is directly overlapped on the top step of the base 41 (stepped base). A groove is set on the upper step portion 4211 of the stepped guide plate, and the top step of the base 41 (stepped base) is directly stuck in the groove. Figure 7 On the side close to the heating rail 3, an inner protrusion is formed on the upper step portion 4211 of the stepped guide plate, and a guide groove 420 is provided on the protrusion. Figure 4 A guide groove 420 is formed on the inner side surface of the upper step portion 4211 of the stepped guide plate.

[0057] For details, see Figure 2 and Figure 4 The lower end step portion 4212 of the stepped guide plate is in contact with the supporting link plate 423.

[0058] For details, see Figure 2 and Figure 4 The second guide plate 422 is also provided with a guide groove 420, and the second guide plate 422 is in direct contact with the supporting connecting plate 423, and can slide on the supporting connecting plate 423, so as to adjust the distance between the second guide plate 422 and the first guide plate 421. The second guide plate 422 and the first guide plate 421 are both provided with an adjustment component, and the adjustment component can fix the second guide plate 422 and the first guide plate 421 on the supporting connecting plate 423.

[0059] See also Figure 1 , Figure 3 and Figure 8 In a preferred embodiment, the clamping mechanism 5 includes a connecting seat 51, a lifting plate 52, a connecting plate 53, a clamping plate 54, a tension spring 55 and a cylinder 56. The connecting seat 51 is connected to the working platform 2. A limiting groove 50 is formed on the lifting plate 52. A limiting block 57 is connected to the connecting seat 51. The limiting block 57 is arranged in the limiting groove 50. The lifting plate 52 is connected to the connecting plate 53. The connecting plate 53 is connected to the cylinder 56. The clamping plate 54 is connected to the lifting plate 52. One end of the tension spring 55 is connected to the lifting plate 52, and the other end of the tension spring 55 is connected to the connecting seat 51.

[0060] See also Figure 8 Specifically, the connecting seat 51 is connected to the working platform 2 and is located directly below the heating rail 3. The two lifting plates 52 are respectively located on both sides of the heating rail 3 and are respectively connected to both sides of the connecting seat 51. Two limiting protrusions are formed on the lifting plate 52, and a limiting groove 50 is formed between the limiting protrusions. Limiting blocks 57 are arranged in the limiting grooves 50 of the two lifting plates 52. The connecting plate 53 is arranged below the lowest limiting protrusion. The connecting seat 51 and the lifting plate 52 are connected with a connecting column 58, and the connecting column 58 is connected with a connecting rod 59 provided with a through hole, and the two ends of the tension spring 55 are respectively connected to the through holes on the connecting rod 59.

[0061] See also Figure 1 , Figure 3 and Figure 6aIn a preferred embodiment, the heating guide rail 3 includes a guide rail 31, a front cover plate 32, a rear cover plate 33, a ventilation component 34 and a heating component 35. The front cover plate 32 and the rear cover plate 33 are both connected to the guide rail 31 and cover the guide rail 31. The clamping mechanism 5 is arranged between the front cover plate 32 and the rear cover plate 33, and is used to clamp the copper frame on the guide rail 31. The ventilation component 34 is connected to the guide rail 31 and is used to introduce protective gas to the copper frame on the guide rail 31. The heating component 35 is connected to the guide rail 31 and is used to heat the copper frame on the guide rail 31.

[0062] For details, see Figure 3 and Figure 6a The heating component 35 is used to melt the solid crystal material on the copper frame, and the ventilation component 34 is used to introduce protective gas into the copper frame to prevent the copper frame from being oxidized.

[0063] See also Figure 6a , Figure 6b and 6c In a preferred embodiment, the ventilation assembly 34 includes: a front protective gas diffuser plate 341, a rear protective gas diffuser plate 342, a protective gas pipe 343, and a cooler joint 344. The front protective gas diffuser plate 341 is connected to the guide rail 31 and is located below the front cover plate 32. The rear protective gas diffuser plate 342 is connected to the guide rail 31 and is located below the rear cover plate 33. The protective gas pipe 343 is connected to the guide rail 31, and the cooler joint 342 is connected to the protective gas pipe 343. The copper frame 7 is located on the front protective gas diffuser plate 341 and the rear protective gas diffuser plate 342.

[0064] Specifically, the protective gas pipe 343 is inserted into the guide rail 31 , and then the protective gas is introduced into the guide rail 31 .

[0065] See also Figure 6a , Figure 6b and 6c In a preferred embodiment, the heating assembly 35 includes: a thermocouple 351, a front side heat insulation plate 352, a rear side heat insulation plate 353, a lower heat insulation plate 354, a heat insulation gasket 355, and a wiring harness protection plate 356. The thermocouple 351 is inserted into the guide rail 31, the front side heat insulation plate 352 and the rear side heat insulation plate 353 are respectively connected to the sides of the guide rail 31, the lower heat insulation plate 354 is connected to the bottom of the guide rail 31, the heat insulation gasket 355 is arranged between the lower heat insulation plate 354 and the guide rail 31, and the wiring harness protection plate 356 is connected to the guide rail 31 and is located below the front cover plate 32 and the rear cover plate 33.

[0066] Specifically, the thermocouple 351 can heat the guide rail 31 .

[0067] See also Figure 6a , Figure 6b and 6c In a preferred embodiment, a lower decorative panel 36 is arranged below the lower heat insulation panel 354, a front decorative panel 37 is arranged on the side of the front side heat insulation panel 352, and a rear decorative panel 38 is arranged on the side of the rear side heat insulation panel 353. The lower decorative panel 36, the front decorative panel 37, the rear decorative panel 38, the front cover panel 32 and the rear cover panel 33 wrap the guide rail 31.

[0068] Specifically, the equipment is equipped with an operation interface to facilitate the user to set parameters and control operations, including control of the heating, die bonding and cooling processes and gas source control of the frame clamping mechanism.

[0069] In summary, the copper frame die bonding equipment can adjust the position of the copper frame by using a moving mechanism to achieve precise positioning of the copper frame in the X-axis and Y-axis directions, and a film-passing mechanism is provided to ensure a smooth transition of the copper frame during heating, die bonding and cooling. The workbench is equipped with a frame clamping mechanism to ensure the stability of the copper frame during the die bonding process. The heating rail is used for the heating, die bonding and cooling process of the copper frame, and protective gas is introduced throughout the process to prevent oxidation of the copper frame.

[0070] The foregoing descriptions of specific exemplary embodiments of the present invention are for the purpose of explanation and illustration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can make modifications, substitutions, variations and various selections and changes to the embodiments without creative contribution as needed after reading this specification without departing from the principles and purpose of the present invention, but they are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A copper frame die bonding device, characterized in that: The die bonding equipment comprises: A moving mechanism, wherein the moving mechanism includes an X-direction moving mechanism and a Y-direction moving mechanism, wherein the X-direction moving mechanism can realize the movement of the copper frame in the X direction, and the Y-direction moving mechanism can realize the movement of the copper frame in the Y direction; A working platform connected to the moving mechanism; A heating rail, the heating rail is connected to the working platform, and the heating rail is used to heat the copper frame; A film-passing mechanism, the film-passing mechanism is connected to the working platform and is located at the tail end of the heating rail, the film-passing mechanism comprises a base, a guide assembly and a film-passing assembly connected to the base, the base is connected to the working platform, the guide assembly is used to guide the copper frame so that the copper frame can enter the film-passing assembly, and the film-passing assembly is used to drag the copper frame so that the copper frame moves in the heating rail; A clamping mechanism is connected to the working platform and is used to clamp the copper frame on the heating guide rail.

2. The die bonding device according to claim 1, characterized in that: The moving mechanism in the X-direction comprises an X-axis driving motor, an X-axis driving lead screw, an X-axis guide rail, an X-axis slider and an X-axis worktable, wherein the X-axis guide rail is connected to the X-axis worktable, the X-axis slider is connected to the X-axis guide rail, the X-axis driving motor is connected to the X-axis worktable, the driving end of the X-axis driving motor is connected to the X-axis driving lead screw, a sliding nut is connected to the X-axis driving lead screw, and the X-axis slider is connected to the sliding nut; wherein, the X-axis driving motor drives the X-axis driving lead screw to rotate, and when the X-axis driving lead screw rotates, the sliding nut can move on the X-axis driving lead screw, thereby driving the X-axis slider to move on the X-axis guide rail, thereby realizing the movement of the work platform in the X-direction.

3. The die bonding device according to claim 1, characterized in that: The moving mechanism in the Y direction comprises a Y-axis driving motor, a Y-axis driving screw, a Y-axis guide rail, a Y-axis slider and a Y-axis worktable, wherein the Y-axis worktable is connected to the moving mechanism in the X direction, the Y-axis guide rail is connected to the Y-axis worktable, the Y-axis slider is connected to the Y-axis guide rail, the Y-axis driving motor is connected to the Y-axis worktable, the driving end of the Y-axis driving motor is connected to the Y-axis driving screw, a sliding nut is connected to the Y-axis driving screw, and the Y-axis slider is connected to the sliding nut; wherein, the Y-axis driving motor drives the Y-axis driving screw to rotate, and when the Y-axis driving screw rotates, the sliding nut can move on the Y-axis driving screw, thereby driving the Y-axis slider to move on the Y-axis guide rail, thereby realizing the movement of the work platform in the Y direction.

4. The die bonding device according to claim 1, characterized in that: The working platform is connected to a plurality of linearly arranged support assemblies, each of which includes a connecting plate, a support column, a support plate and reinforcing ribs. The connecting plate is connected to the working platform, the support column is connected to the connecting plate, the support plate is connected to the support column, the reinforcing ribs are inclined and connected between the connecting plate and the support plate, and the heating rail is connected to the support plate.

5. The die bonding device according to claim 1, characterized in that: The film-passing assembly includes a driving motor, a driving wheel, a synchronous wheel, a synchronous belt, a sandblasting roller and a flexible pressure wheel. The driving motor is connected to the base, the driving end of the driving motor is connected to the driving wheel, the synchronous belt is sleeved between the driving wheel and the synchronous wheel, the sandblasting roller is connected to the synchronous wheel, and the flexible pressure wheel is arranged above the sandblasting roller. The flexible pressure wheel can press the copper frame onto the sandblasting roller, and the sandblasting roller can drag the copper frame in the horizontal direction when rotating.

6. The die bonding device according to claim 5, characterized in that: The base is connected to a bracket, the bracket is connected to a connecting shaft, and two flexible pressure wheels are connected to both ends of the connecting shaft; wherein the flexible pressure wheel includes a large end and a small end, a notch is formed on the small end, and the notch is used to connect the flexible pressure wheel and the connecting shaft.

7. The die bonding device according to claim 1, characterized in that: The guide assembly includes a first guide plate, a second guide plate and a supporting connecting plate, wherein the supporting connecting plate is connected to the base and is located at the end of the film-passing assembly, the first guide plate is located on the first end of the supporting connecting plate, the second guide plate is located on the second end of the supporting connecting plate, and the second guide plate can move on the supporting connecting plate; wherein the first guide plate and the second guide plate are provided with guide grooves, the copper frame can be placed in the guide grooves, and the distance between the second guide plate and the first guide plate can be adjusted to accommodate copper frames of different widths.

8. The die bonding device according to claim 7, characterized in that: The first guide plate is configured as a stepped guide plate, an upper step portion of the stepped guide plate is connected to the base, and a lower step portion of the stepped guide plate is connected to the first end of the supporting link plate.

9. The die bonding device according to claim 1, characterized in that: The clamping mechanism includes a connecting seat, a lifting plate, a connecting plate, a clamping plate, a tension spring and a cylinder. The connecting seat is connected to the working platform. A limiting groove is formed on the lifting plate. A limiting block is connected to the connecting seat. The limiting block is arranged in the limiting groove. The lifting plate is connected to the connecting plate. The connecting plate is connected to the cylinder. The clamping plate is connected to the lifting plate. One end of the tension spring is connected to the lifting plate, and the other end of the tension spring is connected to the connecting seat.

10. The die bonding equipment according to claim 1, characterized in that: The heating rail comprises a rail, a front cover plate, a rear cover plate, a ventilation assembly and a heating assembly, the front cover plate and the rear cover plate are both connected to the top of the rail to cover the top of the rail, and the clamping mechanism is arranged between the front cover plate and the rear cover plate; Wherein, the ventilation assembly comprises: a front protective gas diffuser plate, a rear protective gas diffuser plate, a protective gas pipe, and a cooler joint, wherein the front protective gas diffuser plate is connected to the guide rail and is located below the front cover plate, the rear protective gas diffuser plate is connected to the guide rail and is located below the rear cover plate, the protective gas pipe is connected to the guide rail, and the cooler joint is connected to the protective gas pipe; The heating assembly comprises: a thermocouple, a front side heat insulation board, a rear side heat insulation board, a lower heat insulation board, a heat insulation washer, and a wiring harness protection board, wherein the thermocouple is inserted into the guide rail, the front side heat insulation board and the rear side heat insulation board are respectively connected to the sides of the guide rail, the lower heat insulation board is connected to the bottom of the guide rail, the heat insulation washer is arranged between the lower heat insulation board and the guide rail, and the wiring harness protection board is connected to the guide rail and is located below the front cover plate and the rear cover plate; Among them, a lower decorative panel is arranged below the lower insulation panel, a front decorative panel is arranged on the side of the front side insulation panel, and a rear decorative panel is arranged on the side of the rear side insulation panel. The lower decorative panel, the front decorative panel, the rear decorative panel, the front cover panel and the rear cover panel wrap the guide rail.

Images