Automatic cutting and bonding device

Abstract

The utility model relates to an automatic cutting and bonding device which comprises a feeding mechanism used for moving aluminum foil on a product strip to a cutting area; the tailoring mechanism is used for tailoring the aluminum foil located in the tailoring area; the conveying mechanism is provided with a grabbing unit and a first driving unit for driving the grabbing unit to move, the grabbing unit is provided with a first grabbing arm and a second grabbing arm, the first grabbing arm and the second grabbing arm are each provided with a suction nozzle, the suction nozzle of the first grabbing arm is used for sucking the aluminum foil in the cutting area, and the suction nozzle of the second grabbing arm is used for sucking the aluminum foil located in the correction area; the positioning mechanism is used for correcting the position of the aluminum foil adsorbed to the correction area; and the bonding mechanism is provided with a bearing unit and a dispensing unit located above the bearing unit, the bearing unit is used for fixing the lead frame, and the dispensing unit is used for coating a bonding area of the lead frame with silver paste. Therefore, the problem that the aluminum foil is easy to deviate in the existing laminating equipment for the aluminum foil is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting and bonding device technical field, specifically, relate to an automatic cutting and bonding device. BACKGROUND

[0002] The lowest ESR of the existing laminated solid aluminum electrolytic capacitor is 4.5 mΩ, and the symmetric laminating is adopted, that is, 2-5 layers are laminated on both sides of the lead frame. In the production of capacitors, the thickness of the aluminum foil as the capacitor plate is 0.07±0.001 mm, and the quality of the cutting edge thereof is required to be very high, that is, the cutting edge of the aluminum foil should be as smooth as possible and cannot have burrs and indentations, because these defects can cause the sharp discharge of the capacitor and even breakdown, resulting in product scrap.

[0003] In addition, the cut aluminum foil can meet the requirements of the development of light quality and small volume products due to its small thickness and small space occupation, but the existing laminating equipment for aluminum foil is prone to aluminum foil deviation when processing the aluminum foil, thereby affecting the processing quality of the capacitor. UTILITY MODEL CONTENT

[0004] To solve the problem of aluminum foil deviation of the existing laminating equipment for aluminum foil, the utility model provides an automatic cutting and bonding device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An automatic cutting and bonding device comprises:

[0007] A feeding mechanism is used to move the aluminum foil on the product strip to a cutting area;

[0008] A cutting mechanism is formed with the cutting area, and is used to cut the aluminum foil located in the cutting area;

[0009] A conveying mechanism has a grabbing unit and a first driving unit for driving the grabbing unit to move, the grabbing unit has a first grabbing arm and a second grabbing arm arranged at intervals, the first grabbing arm and the second grabbing arm are provided with suction nozzles, the suction nozzle of the first grabbing arm is used to suck the aluminum foil in the cutting area, and the suction nozzle of the second grabbing arm is used to suck the aluminum foil in the correction area;

[0010] A positioning mechanism is formed with the correction area, and is used to correct the position of the aluminum foil adsorbed to the correction area;

[0011] The bonding mechanism has a bearing unit for fixing the lead frame and a dispensing unit above the bearing unit for applying silver paste to the bonding area of the lead frame.

[0012] In some embodiments, the grabbing unit further comprises a transmission assembly and a connecting rod, an input shaft of the transmission assembly is in transmission connection with an output shaft of the first driving unit, an output shaft of the transmission assembly is in transmission connection with the connecting rod, the connecting rod is fixedly connected with the first grabbing arm and the second grabbing arm.

[0013] In some embodiments, the transmission assembly has a driving wheel and a driven wheel in mutual engagement or in transmission connection through a belt;

[0014] The input shaft of the driving wheel is coaxially fixedly connected with the output shaft of the first driving unit, the first hinge part is arranged on the end face of the driving wheel away from the input shaft, the second hinge part is arranged on the driven wheel, and the connecting rod is hingedly connected between the first hinge part and the second hinge part.

[0015] In some embodiments, the speed reduction ratio of the driving wheel and the driven wheel is 1:1.

[0016] In some embodiments, the first grabbing arm comprises a first positioning mounting plate, an elastic member and a connecting member, the first positioning mounting plate comprises a main body part, a first side edge part and a second side edge part, the first side edge part and the second side edge part are arranged at opposite ends of the main body part, the first side edge part is above the second side edge part, and the first side edge part and the second side edge part are both arranged perpendicularly to the main body part;

[0017] The connecting member has a main body part and an extension part above the main body part, the suction nozzle is arranged on the main body part, the connecting member passes through the first side edge part and the second side edge part through the extension part, and the extension part forms a clamping part on the side where the second side edge part is located;

[0018] The elastic member is sleeved on the extension part, one end of the elastic member abuts against the first side edge part, the other end of the elastic member abuts against the clamping part, and the other end of the clamping part abuts against the second side edge part.

[0019] In some embodiments, the feeding mechanism comprises a feeding unit and a second driving unit, the feeding unit has a feeding track formed at the top, the feeding track is used for arranging the product strip, the second driving unit has a driving wheel abutting against the top of the product strip, and the second driving unit drives the driving wheel to rotate to move the aluminum foil on the product strip to the cutting area.

[0020] In some embodiments, the cutting mechanism comprises a laser cutting machine, a cutting head of the laser cutting machine is located in the cutting area.

[0021] In some embodiments, the positioning mechanism comprises a housing, a third driving unit, a transmission unit, three limiting blocks and a positioning member, the positioning member is fixed on the surface of the housing, and a positioning surface is arranged on the periphery of the positioning member.

[0022] The third driving unit is located in the housing, an output shaft of the third driving unit penetrates the housing and is in transmission connection with the transmission unit, the transmission unit has three output ends, the three output ends of the transmission unit are in active connection with one of the limiting blocks respectively, the third driving unit drives the three limiting blocks to move closer to or away from the side where the positioning member is located, each of the limiting blocks has a limiting surface, and the three limiting surfaces and the positioning surface jointly form the correction area.

[0023] In some embodiments, the bearing unit has a bearing frame and a cover plate arranged on the bearing frame, the cover plate is used for fixing the lead frame on the bearing frame, a hollow working area is arranged in the middle of the cover plate, and the dispensing unit passes through the hollow working area to apply silver paste to the bonding area of the lead frame.

[0024] In some embodiments, the dispensing unit has a dispensing pen head, and the dispensing end of the dispensing pen head is flat.

[0025] To solve the problem that the existing aluminum foil bonding device is prone to aluminum foil deviation, the utility model has the following advantages:

[0026] Through the technical scheme, the position of the cut aluminum foil can be corrected, and the aluminum foil that has completed the position correction can be synchronously moved to the bonding area by the conveying mechanism for bonding, so that the processing quality of the capacitor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A structure schematic diagram of an automatic cutting and bonding device is shown.

[0028] Figure 2 A structure schematic diagram of the automatic cutting and bonding device shown in Figure 1 is shown.

[0029] Figure 3 A structure enlarged schematic diagram of the dashed circle A shown in Figure 2 is shown. DETAILED DESCRIPTION

[0030] The present disclosure will now be discussed with reference to a number of exemplary embodiments. It is to be appreciated that these embodiments are discussed only for the purposes of enabling a better understanding of and, therefore, a better implementation of the present disclosure, and are not intended to represent any limitation of the scope of the present disclosure.

[0031] As used herein, the term "includes" and its variants are to be read as open-ended terms that mean "includes, but is not limited to." The term "based on" is to be construed as "based at least in part on." The terms "a" and "an" are to be construed as "at least one" The term "another" is to be construed as "at least one other." The terms "on," "under," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," "longitudinal," and similar terms are used for orientation or positional relationship based on the orientation or position as shown in the drawings. These terms are merely used for better description of the application and its embodiments, and are not used to limit the indicated device, element or component to a particular orientation or configuration, or to a particular orientation or configuration of operation. Also, some of the above terms can be used to indicate other meanings, for example, the term "on" can also be used to indicate a certain attachment or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present application can be understood according to the specific circumstances. In addition, the terms "mounting", "setting", "provided with", "connected", "linked" should be interpreted broadly. For example, it can be fixed connection, detachable connection, or integral structure; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances. In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures can be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise stated, the meaning of "multiple" is two or more.

[0032] The present embodiment discloses an automatic cutting and bonding device 100, as shown in the figure, the automatic cutting and bonding device 100 comprises: Figures 1 to 3

[0033] A feeding mechanism 10 for moving the aluminum foil on the product strip to a cutting area;

[0034] A cutting mechanism 20, which forms the cutting area, is used to cut the aluminum foil located in the cutting area; ​

[0035] A conveying mechanism 30 has a grabbing unit 31 and a first driving unit 32 for driving the grabbing unit 31 to move, the grabbing unit 31 has a first grabbing arm 312 and a second grabbing arm 313 arranged in intervals, the first grabbing arm 312 and the second grabbing arm 313 are both provided with a suction nozzle, the suction nozzle of the first grabbing arm 312 is used for sucking the aluminum foil of the cutting area, and the suction nozzle of the second grabbing arm 313 is used for sucking the aluminum foil located in the correction area;

[0036] A positioning mechanism 40 is formed with the correction area, and is used for correcting the position of the aluminum foil adsorbed to the correction area;

[0037] An adhesive mechanism 50 has a bearing unit 51 and a dispensing unit 52 located above the bearing unit 51, the bearing unit 51 is used for fixing the lead frame, and the dispensing unit 52 is used for coating silver paste on the adhesive area of the lead frame;

[0038] The first driving unit 32 drives the first grabbing arm 312 to move the aluminum foil cut by the cutting area to the correction area, the first driving unit 32 synchronously drives the second grabbing arm 313 to move the aluminum foil corrected in position by the correction area to the adhesive area, and the silver paste is adhered to the cathode layer of the aluminum foil.

[0039] In the embodiment, an automatic cutting and adhering device 100 is provided, which has a platform. The feeding mechanism 10, the cutting mechanism 20, the conveying mechanism 30, the positioning mechanism 40 and the adhesive mechanism 50 are all fixed on the platform.

[0040] The feeding mechanism 10 is used to fix the product strip and move the aluminum foil on the product strip to the cutting area formed by the cutting mechanism 20 through the conveying unit inside the feeding mechanism 10. Further, when the aluminum foil on the product strip enters the cutting area, the suction nozzle of the first grabbing arm 312 can be driven by the first driving unit 32 of the conveying mechanism 30 to suck the aluminum foil, and then the aluminum foil can be cut by driving the cutting device of the cutting mechanism 20. After waiting for the cutting of the aluminum foil to be completed, the first driving unit 32 can be continuously driven to drive the aluminum foil sucked by the first grabbing arm 312 to move to the correction area of the positioning mechanism 40, so as to complete the position correction of the aluminum foil. Then, the first driving unit 32 is driven again to drive the first grabbing arm 312 to return to the cutting area, and the second grabbing arm 313 is simultaneously returned to the correction area, so that the suction nozzle of the second grabbing arm 313 sucks the aluminum foil. Then, the first driving unit 32 is continuously driven to force the first grabbing arm 312 to suck the next cut aluminum foil to move to the correction area, and at the same time, the second grabbing arm 313 is forced to suck the first aluminum foil to move to the bonding area of the lead frame fixed by the bonding mechanism 50, so as to complete the bonding of the cut aluminum foil. In this application, before the bonding of the aluminum foil is completed, the bonding area of the lead frame fixed on the carrying unit 51 can be coated with silver paste by driving the dispensing unit 52 of the bonding mechanism 50, so that the silver paste is coated on the cathode layer of the aluminum foil.

[0041] In this embodiment, through the above structure, the position correction of the cut aluminum foil can be realized, and the aluminum foil after the position correction is moved to the bonding area for bonding by the conveying mechanism 30 synchronously, so as to avoid the position deviation of the aluminum foil and further improve the processing quality of the capacitor.

[0042] In some embodiments, the grabbing unit 31 further comprises a transmission assembly and a connecting rod 311, the input shaft of the transmission assembly is in transmission connection with the output shaft of the first driving unit 32, the output shaft of the transmission assembly is in transmission connection with the connecting rod 311, and the first grabbing arm 312 and the second grabbing arm 313 are fixedly connected on the connecting rod 311.

[0043] Further, the transmission assembly has a driving wheel 314 and a driven wheel 315 which are in meshing connection with each other, or the driving wheel 314 and the driven wheel 315 are connected by belt transmission.

[0044] The input shaft of the driving wheel 314 is coaxially fixedly connected with the output shaft of the first driving unit 32, the first hinge part is arranged on the end face of the driving wheel 314 away from the input shaft, the second hinge part is arranged on the driven wheel 315, and the connecting rod 311 is hingedly connected between the first hinge part and the second hinge part.

[0045] In the embodiment, the conveying mechanism 30 has a first frame fixed on the platform, and a main body of the first driving unit 32 is fixed on one side of the first frame so that an output shaft of the first driving unit 32 passes through the first frame and is located on the other side of the first frame. The first driving unit 32 can be a motor, and the output shaft of the motor is coaxially and fixedly connected with a driving wheel 314 on the other side of the first frame. A driven wheel 315 is movably connected to the first frame and located on the other side of the first frame so that the driving wheel 314 and the driven wheel 315 are both located on one side of the first frame. In the application, the driven wheel 315 is hingedly connected to the first frame so that the driven wheel 315 can rotate relative to the first frame along the axial direction of the output shaft of the motor.

[0046] Further, the connecting rod 311 is hingedly connected with the driving wheel 314 and the driven wheel 315 through the first hinge and the second hinge, respectively, so that the connecting rod 311 can rotate around the driving wheel 314 and the driven wheel 315, respectively. When the first driving unit 32 drives the driving wheel 314 to rotate, the driven wheel 315 can be driven to rotate synchronously, thereby driving the connecting rod 311 to move, and finally driving the first grabbing arm 312 and the second grabbing arm 313 to move. In the application, the speed reduction ratio of the driving wheel 314 to the driven wheel 315 is preferably 1:1. The first grabbing arm 312 and the second grabbing arm 313 fixedly connected to the connecting rod 311 can move around the same circular track, so that the operation of the conveying mechanism 30 is convenient.

[0047] In some embodiments, the first grabbing arm 312 includes a first positioning mounting plate 3121, an elastic member 3122, and a connecting member 3123. The first positioning mounting plate 3121 includes a main body, a first side edge, and a second side edge. The first side edge and the second side edge are arranged at opposite ends of the main body, and the first side edge is located above the second side edge. The first side edge and the second side edge are both arranged perpendicularly to the main body.

[0048] The connecting member 3123 has a main body and an extension located above the main body. The main body is provided with a suction nozzle. The connecting member 3123 passes through the first side edge and the second side edge through the extension, respectively. The extension is formed with a clamping portion on the side where the second side edge is located.

[0049] The elastic member 3122 is sleeved on the extension, one end of the elastic member 3122 abuts against the first side edge, and the other end of the elastic member 3122 abuts against the clamping portion, so that the other end of the clamping portion abuts against the second side edge.

[0050] In the embodiment, through the above arrangement, when the first driving unit 32 drives the first grabbing arm 312 to move to the cutting area, the suction nozzle of the first grabbing arm 312 is in contact with the aluminum foil on the product strip, so as to force the main body to receive an upward force, which is transmitted to the elastic member 3122 through the main body, so that the elastic member 3122 applies a counterforce to the suction nozzle through the main body, so that the suction nozzle can tightly suck the aluminum foil, thereby preventing the aluminum foil from falling during the conveying process.

[0051] In some embodiments, the feeding mechanism 10 comprises a feeding unit 11 and a second driving unit 12. The feeding unit 11 is provided with a feeding track 111 at the top thereof, which is used to place the product strip. The second driving unit 12 is provided with a driving wheel 121, which is in contact with the top of the product strip. The second driving unit 12 drives the driving wheel 121 to rotate, thereby driving the aluminum foil on the product strip to move to the cutting area.

[0052] In the embodiment, through the above structure, the feeding track 111 can move the product strip, and then drive the aluminum foil on the product strip to move to the cutting area to complete the cutting.

[0053] Further, the feeding unit 11 is a second frame body, which is fixed on the platform. The second frame body is provided with the feeding track 111 at the top thereof. The feeding track 111 is provided with a bearing table at the side edge thereof. The bearing table is fixed with a rolling wheel. When the product strip is placed on the feeding track 111, the bottom of the rolling wheel is in contact with the upper surface of the body of the product strip, so that the aluminum foil on the product strip is arranged to extend outwardly from the side of the feeding track 111.

[0054] Further, the second driving unit 12 further comprises a driving motor and a transmission member. The driving motor is fixed on the second frame body, so that the output shaft of the driving motor is in transmission connection with the input shaft of the transmission member. The output shaft of the transmission member is coaxially fixedly connected with the driving wheel 121, so that the bottom of the driving wheel 121 is also in contact with the upper surface of the body of the product strip. When the driving motor rotates, the driving wheel 121 is driven to rotate through the transmission member, and the product strip is driven to move by the driving wheel 121. In the application, the feeding track 111 is also provided with a through groove. A second driving wheel 121 is fixedly connected to the second frame body. The top of the driving wheel 121 passes through the through groove and is in contact with the lower surface of the body of the product strip, so as to assist the first driving wheel 121 to drive the product strip to move on the feeding track 111.

[0055] In some embodiments, the cutting mechanism 20 comprises a laser cutting machine 21. The cutting head of the laser cutting machine 21 is located in the cutting area.

[0056] In the embodiment, the cut-out aluminum foil piece has no burrs and indentations, and the cutting length is consistent.

[0057] The laser cutting machine 21 is a small laser cutting machine 21, which is specially used in small machining places and small areas.

[0058] In some embodiments, the positioning mechanism 40 includes a housing, a third driving unit, a transmission unit, three limiting blocks 41, and a positioning piece 42.

[0059] The third driving unit is located inside the housing, and the output shaft of the third driving unit penetrates the housing and is in transmission connection with the transmission unit.

[0060] In the embodiment, the transmission unit is fixed on the housing, and the transmission unit has four bevel gears and three lead screws.

[0061] Further, each of the three limiting blocks 41 is fixed with a screw nut, and each screw nut is arranged in cooperation with one of the screw rods. A limiting structure is further arranged on the shell, and the limiting structure is used to limit the axial rotation of the screw nut. In this application, the limiting structure can be a slide rail arranged on the surface of the shell, and the limiting block 41 is arranged with a sliding groove embedded with the slide rail. The third driving unit drives the first bevel gear to rotate, which drives the second bevel gear, the third bevel gear and the fourth bevel gear to rotate, and then drives the three screw rods to rotate, and then drives the three limiting blocks 41 to move closer to or away from the side where the positioning member 42 is located through the three screw nuts. For example, when the third driving unit drives the first bevel gear to rotate clockwise, the three screw nuts drive the three limiting blocks 41 to move closer to the side where the positioning member 42 is located to complete the position correction of the aluminum foil located in the correction area; when the third driving unit drives the first bevel gear to rotate counterclockwise, the three screw nuts drive the three limiting blocks 41 to move away from the side where the positioning member 42 is located, so as to drive the limiting blocks 41 to move away from the aluminum foil located in the correction area, and then the suction nozzle of the second grabbing arm 313 can suck the aluminum foil and move it to the bonding area of the lead frame.

[0062] In some embodiments, the carrying unit 51 has a carrying frame and a cover plate arranged on the carrying frame, the cover plate is used to fix the lead frame on the carrying frame, and a hollow working area is arranged in the middle of the cover plate. The dispensing unit 52 passes through the hollow working area to apply silver paste to the bonding area of the lead frame.

[0063] Further, the dispensing unit 52 has a dispensing pen head, and the dispensing end of the dispensing pen head is flat.

[0064] In this embodiment, a screw driving mechanism is further arranged on the platform, and the carrying frame is fixed on the screw nut of the screw driving mechanism to drive the carrying frame to move along the axial direction of the screw rod of the screw driving mechanism. The length extension direction of the lead frame is consistent with the axial direction of the screw rod.

[0065] In this embodiment, the screw driving mechanism drives the screw rod to rotate, and then drives the carrying frame to move along the axial direction of the screw rod, so that the dispensing pen head of the dispensing unit 52 applies silver paste to each support piece of the lead frame. The dispensing end of the dispensing pen head is flat, so as to apply silver paste to each support piece at one time. The plurality of support pieces on the lead frame collectively form the bonding area of the lead frame. In this application, the dispensing unit 52 is a dispensing device, which is a prior art, and will not be described in detail here.

[0066] In some embodiments, the bonding mechanism 50 further comprises a crimping unit, which comprises a third driving motor and a crimping piece, the output shaft of the third driving motor is fixed to the top of the crimping piece in the vertical direction, and the bottom of the crimping piece is arranged on the bonding area of the lead frame. In the present application, the abutting portion of the bottom of the crimping piece is arranged on one of the support pieces on the lead frame, so that after the cut aluminum foil is placed on the support piece, the third driving motor drives the crimping piece to move downward, forcing the abutting portion of the bottom of the crimping piece to abut on the aluminum foil, so that the aluminum foil is tightly bonded with the support piece.

[0067] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

[0068] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. An automatic cutting and bonding apparatus characterized by comprising: The application relates to a device for cutting and positioning aluminum foil on a product strip. The device comprises: a feeding mechanism for moving the aluminum foil on the product strip to a cutting area; a cutting mechanism formed with the cutting area, which is used for cutting the aluminum foil in the cutting area; a conveying mechanism with a grabbing unit and a first driving unit for driving the grabbing unit to move, the grabbing unit having a first grabbing arm and a second grabbing arm arranged at intervals, the first grabbing arm and the second grabbing arm being provided with suction nozzles, the suction nozzle of the first grabbing arm being used for sucking the aluminum foil in the cutting area, and the suction nozzle of the second grabbing arm being used for sucking the aluminum foil in a correction area; a positioning mechanism formed with the correction area, which is used for correcting the position of the aluminum foil sucked to the correction area; 2. The automatic cutting and bonding apparatus according to claim 1, wherein an adhesive mechanism with a bearing unit and a dispensing unit above the bearing unit, the bearing unit being used for fixing a lead frame, and the dispensing unit being used for coating silver paste on the adhesive area of the lead frame.

3. The automatic cutting and bonding apparatus according to claim 2, wherein The grabbing unit further comprises a transmission assembly and a connecting rod, the input shaft of the transmission assembly is in transmission connection with the output shaft of the first driving unit, the output shaft of the transmission assembly is in transmission connection with the connecting rod, and the first grabbing arm and the second grabbing arm are fixedly connected to the connecting rod. The transmission assembly is internally provided with a driving wheel and a driven wheel in meshing connection or through belt transmission connection.

4. The automatic cutting and bonding apparatus according to claim 3, wherein The input shaft of the driving wheel is coaxially fixedly connected with the output shaft of the first driving unit, the end face of the driving wheel away from the input shaft is provided with a first hinge part, the driven wheel is provided with a second hinge part, and the connecting rod is hingedly connected between the first hinge part and the second hinge part.

5. The automatic cutting and bonding apparatus according to claim 1, wherein The speed reduction ratio of the driving wheel and the driven wheel is 1:

1. The first grabbing arm comprises a first positioning mounting plate, an elastic member and a connecting member, the first positioning mounting plate comprises a main body part, a first side edge part and a second side edge part, the first side edge part and the second side edge part are arranged at opposite ends of the main body part, the first side edge part is arranged above the second side edge part, and the first side edge part and the second side edge part are vertically arranged with the main body part. The connecting member has a main body part and an extension part above the main body part, the suction nozzle is arranged on the main body part, the connecting member passes through the first side edge part and the second side edge part through the extension part, and the extension part is formed with a clamping part on the side where the second side edge part is arranged.

6. The automatic cutting and bonding apparatus according to claim 1, wherein The elastic member is sleeved on the extension part, one end of the elastic member abuts against the first side edge part, the other end of the elastic member abuts against the clamping part, and the other end of the clamping part abuts against the second side edge part. The feeding mechanism comprises a feeding unit and a second driving unit, the feeding unit is formed at the top with a feeding track for arranging the product strip, the second driving unit is provided with a driving wheel abutting against the top of the product strip, and the second driving unit drives the driving wheel to rotate, thereby driving the aluminum foil on the product strip to move to the cutting area.

7. The automatic cutting and bonding apparatus according to claim 1, wherein The cutting mechanism comprises a laser cutting machine, and a cutting head of the laser cutting machine is located in the cutting area.

8. The automatic cutting and bonding apparatus according to claim 1, wherein The positioning mechanism comprises a shell, a third driving unit, a transmission unit, three limiting blocks and a positioning member. The positioning member is fixed to the surface of the shell, and a positioning surface is arranged on the periphery of the positioning member. The third driving unit is located in the shell, and an output shaft of the third driving unit penetrates the shell and is in transmission connection with the transmission unit. The transmission unit has three output ends, and each of the three output ends is in movable connection with one of the limiting blocks. The third driving unit drives the three limiting blocks to move towards or away from the side where the positioning member is located. Each of the limiting blocks has a limiting surface, and the three limiting surfaces and the positioning surface jointly form the correction area.

9. The automatic cutting and bonding apparatus according to claim 1, wherein The bearing unit has a bearing frame and a cover plate arranged on the bearing frame. The cover plate is used for fixing the lead frame on the bearing frame. A hollow working area is arranged in the middle of the cover plate, and the dispensing unit passes through the hollow working area to apply silver paste to the bonding area of the lead frame.

10. The automatic cutting and bonding apparatus according to claim 1, wherein The dispensing unit has a dispensing pen head, and a dispensing end of the dispensing pen head is flat.

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