Material taking and press fitting device

Abstract

The utility model belongs to the technical field of automatic machining, and discloses a material taking and pressing device which comprises an installation platform and a plurality of material taking and pressing assemblies, the material taking and pressing assemblies are arranged at intervals and detachably connected to the installation platform, and the material taking and pressing assemblies correspond to a plurality of parts to be assembled in a one-to-one mode. Each material taking and pressing assembly comprises a suction nozzle mechanism, a constant-force magnetic spring mechanism and a floating mechanism, the suction nozzle mechanisms are connected to the output ends of the constant-force magnetic spring mechanisms and attract parts to be assembled, and the constant-force magnetic spring mechanisms are connected to the output ends of the floating mechanisms and attract the parts to be assembled. The floating mechanism adjusts the constant-force magnetic spring mechanism in the X direction and / or the Y direction so that the suction nozzle mechanism and the part to be assembled can be coaxially aligned. The mounting platform can drive the material taking and pressing assembly to reciprocate in the vertical direction and press the multiple to-be-assembled parts on the product. According to the material taking and press fitting device, simultaneous press fitting of a plurality of parts to be assembled can be achieved, the press fitting position is accurate, the press fitting force is accurate, and the assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automated processing, in particular to a material taking and pressing device. Background Art

[0002] Vehicle kinetic energy recovery refers to the process of recovering the kinetic energy generated by a vehicle during sliding and deceleration and charging the battery, thereby utilizing the battery's electrical energy for driving. The kinetic energy recovery device on a vehicle has a relatively complex structure, with multiple sensors installed inside, each of which corresponds to a rear cover. The internal space of the kinetic energy recovery device is limited, and the assembly precision required is high. There are requirements for the positional accuracy of the rear cover and the assembly pressure. If the assembly pressure is too high, the rear cover will be damaged. Manual assembly is difficult and prone to errors; existing semi-automatic installation equipment assembles one rear cover at a time, resulting in low assembly efficiency. Utility Model Content

[0003] The purpose of the present utility model is to provide a material taking and pressing device, which can solve the problems that the existing kinetic energy recovery device has high requirements for the position accuracy and assembly pressure of multiple rear covers, manual assembly is prone to errors, and the efficiency of single assembly of the installation equipment is low.

[0004] To achieve this purpose, the present invention adopts the following technical solutions:

[0005] A material picking and pressing device is provided for pressing a plurality of parts to be assembled onto a product, the material picking and pressing device comprising a mounting platform and a plurality of material picking and pressing assemblies, the plurality of material picking and pressing assemblies being arranged at intervals and detachably connected to the mounting platform, the plurality of material picking and pressing assemblies corresponding one to one to the plurality of parts to be assembled; each group of the material picking and pressing assemblies comprises a suction nozzle mechanism, a constant force magnetic spring mechanism and a floating mechanism, the suction nozzle mechanism being connected to the output end of the constant force magnetic spring mechanism, the suction nozzle mechanism being configured to adsorb the parts to be assembled, the constant force magnetic spring mechanism being connected to the output end of the floating mechanism, the floating mechanism being configured to adjust the constant force magnetic spring mechanism along the X direction and / or the Y direction so that the suction nozzle mechanism and the parts to be assembled are coaxially aligned; wherein the mounting platform can drive the material picking and pressing assembly to move back and forth in the vertical direction and press the plurality of parts to be assembled onto the product.

[0006] As an optional structure of the present invention, one of the material taking and pressing assembly and the part to be assembled is provided with a positioning pin, and the other is provided with a positioning hole. The floating mechanism is configured to adjust the constant force magnetic spring mechanism along the X direction and / or Y direction so that the positioning pin is inserted into the positioning hole.

[0007] As an optional structure of the present invention, a plurality of the positioning pins and the positioning holes are provided, and the plurality of positioning pins and the plurality of positioning holes correspond to each other one by one; and / or,

[0008] A guiding slope is provided at the end of the positioning pin, and the guiding slope is used to guide the positioning pin to be inserted into the positioning hole.

[0009] As an optional structure of the present invention, the material taking and pressing assembly is provided with the positioning pin, the part to be assembled is provided with the positioning hole, and the product is provided with an auxiliary positioning hole, and the positioning pin can be inserted into the positioning hole and the auxiliary positioning hole in sequence.

[0010] As an optional structure of the present invention, the floating mechanism is communicatively connected to the mounting platform, and the floating mechanism has a floating state and a locked state. When the floating mechanism is in the floating state, the position of the constant force magnetic spring mechanism in the horizontal plane is adjustable; when the mounting platform is in the pressure maintaining state, the floating mechanism is in the locked state.

[0011] As an optional structure of the present invention, the material taking and pressing down assembly further includes a displacement sensor, and the displacement sensor is configured to detect the moving distance of the suction nozzle mechanism along the vertical direction.

[0012] As an optional structure of the present invention, the material picking and pressing device also includes an alarm component, which is communicatively connected to the displacement sensors of multiple groups of the material picking and pressing components. The alarm component is configured to issue an alarm when the detection values ​​of multiple displacement sensors are not exactly the same.

[0013] As an optional structure of the present invention, the material picking and pressing device also includes multiple groups of adjustment components, and the multiple groups of adjustment components correspond one-to-one to the multiple groups of material picking and pressing components. The adjustment components are used to adjust the position of the material picking and pressing components on the mounting platform so that the multiple suction nozzle mechanisms correspond to the multiple assembly positions of the product respectively.

[0014] As an optional structure of the present invention, the adjustment mechanism includes a plurality of first adjustment holes opened on the mounting platform and an adjustment member connected to the material-taking and pressing down assembly, and a plurality of second adjustment holes are provided on the adjustment member, one of the second adjustment holes can correspond to a different first adjustment hole, and a fastener is passed through the first adjustment hole and the second adjustment hole to connect the mounting platform and the adjustment member to adjust the position of the material-taking and pressing down assembly relative to the mounting platform.

[0015] As an optional structure of the present invention, the product includes multiple assembly positions, and the multiple parts to be assembled correspond to the multiple assembly positions respectively. At least one of the multiple assembly positions has a height difference with the other assembly positions in the vertical direction. The material picking and pressing device also includes at least one group of auxiliary pressing components. The auxiliary pressing components are arranged on the installation platform. The output end of the auxiliary pressing component is connected to one of the multiple groups of material picking pressing components. The auxiliary pressing component is arranged to drive the material picking pressing component to move back and forth in the material direction, so that at least one of the multiple groups of suction nozzle mechanisms can form a height difference and adapt to the multiple assembly positions.

[0016] Beneficial effects of the utility model:

[0017] The material picking and pressing device provided by the present invention includes a mounting platform and multiple groups of material picking and pressing assemblies. The multiple groups of material picking and pressing assemblies are arranged at intervals and are detachably connected to the mounting platform. The multiple groups of material picking and pressing assemblies correspond one to one with multiple parts to be assembled; each group of material picking and pressing assemblies corresponds to the pressing of one part to be assembled. Each group of material picking and pressing assemblies includes a suction nozzle mechanism, a constant force magnetic spring mechanism and a floating mechanism. The suction nozzle mechanism is connected to the output end of the constant force magnetic spring mechanism, and the suction nozzle mechanism is configured to adsorb the part to be assembled. The suction nozzle mechanism sucks the part to be assembled from the carrier, and as the mounting platform moves, the suction force is canceled after the part to be assembled is placed in the corresponding position of the product, thereby facilitating subsequent pressing actions. The constant force magnetic spring mechanism is connected to the output end of the floating mechanism, and the floating mechanism is configured to adjust the constant force magnetic spring mechanism along the X direction and / or the Y direction so that the suction nozzle mechanism and the part to be assembled are coaxially aligned, ensuring the position accuracy of the suction nozzle mechanism in sucking the part to be assembled, thereby improving the assembly position accuracy of the part to be assembled on the product. The mounting platform can drive the retrieving and pressing assembly to move back and forth vertically and press-fit multiple parts to be assembled onto the product. This allows for the press-fitting of multiple parts in a single operation, improving assembly efficiency. Because the pressing force imparted to the parts by the nozzle mechanism is determined by a constant-force magnetic spring mechanism and is unaffected by the downward pressure of the mounting platform, the pressing force is guaranteed to meet assembly requirements. Excessive pressing force will prevent damage to the parts, while insufficient pressing force will prevent unreliable press-fitting. Furthermore, each set of retrieving and pressing assemblies is equipped with a corresponding constant-force magnetic spring mechanism, ensuring consistent pressing force for all parts to be assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of the material taking and pressing device provided by an embodiment of the utility model;

[0019] Figure 2 This is a bottom view of the structure of the material taking and pressing device provided by an embodiment of the utility model;

[0020] Figure 3This is a structural diagram of the material taking and pressing assembly provided by an embodiment of the utility model;

[0021] Figure 4 yes Figure 3 A magnified schematic diagram of the local structure of part A.

[0022] In the picture:

[0023] 1. Installation platform;

[0024] 2. Material picking and pressing assembly; 21. Suction nozzle mechanism; 22. Constant force magnetic spring mechanism; 23. Floating mechanism; 24. Positioning pin; 241. Guide slope; 25. Displacement sensor;

[0025] 3. Adjustment assembly; 31. First adjustment hole; 32. Adjustment member; 321. Second adjustment hole; 33. Fastener;

[0026] 4. Auxiliary downward pressure component. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a specific position, be constructed and operated in a specific position, and therefore should not be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0029] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] like Figures 1 to 4 As shown, an embodiment of the present invention provides a material picking and pressing device, which is used to press-fit multiple parts to be assembled (not shown in the figure) onto a product. The parts to be assembled include but are not limited to the back cover of the kinetic energy recovery device. Other process operations that require pressing multiple identical parts onto the same component can be completed using the material picking and pressing device of this embodiment. The carrier of the upstream production line transports multiple parts to be assembled, and the material picking and pressing device picks up the parts to be assembled from the carrier.

[0032] The material picking and pressing device includes a mounting platform 1 and multiple sets of material picking and pressing assemblies 2. The multiple sets of material picking and pressing assemblies 2 are arranged at intervals and are detachably connected to the mounting platform 1. The multiple sets of material picking and pressing assemblies 2 correspond one-to-one to multiple parts to be assembled; each set of material picking and pressing assemblies 2 corresponds to the pressing of one part to be assembled. Each set of material picking and pressing assemblies 2 includes a suction nozzle mechanism 21, a constant force magnetic spring mechanism 22, and a floating mechanism 23. The suction nozzle mechanism 21 is connected to the output end of the constant force magnetic spring mechanism 22, and the suction nozzle mechanism 21 is configured to adsorb the part to be assembled. The suction nozzle mechanism 21 picks up the part to be assembled from the carrier, and as the mounting platform 1 moves, it places the part to be assembled in the corresponding position of the product, and then cancels the adsorption force to facilitate subsequent pressing. The constant-force magnetic spring mechanism 22 is connected to the output end of the floating mechanism 23. The floating mechanism 23 is configured to adjust the constant-force magnetic spring mechanism 22 in the X and / or Y directions to align the nozzle mechanism 21 and the assembly to be assembled coaxially, ensuring the positional accuracy of the assembly to be assembled by the nozzle mechanism 21, thereby improving the alignment accuracy of the assembly to be assembled on the product. The mounting platform 1 can drive the material removal and pressing assembly 2 to move back and forth in the vertical direction and press-fit multiple assembly to be assembled onto the product. Multiple assembly can be press-fitted in a single operation, improving assembly efficiency. Because the pressing force transmitted by the nozzle mechanism 21 to the assembly to be assembled is determined by the constant-force magnetic spring mechanism 22 and is not affected by the downward pressure of the mounting platform 1, the pressing force can be guaranteed to meet assembly requirements, preventing damage to the assembly to be assembled due to excessive pressing force or unreliable press-fitting due to insufficient pressing force. Moreover, each set of material removal and pressing assembly 2 is equipped with a corresponding constant-force magnetic spring mechanism 22, ensuring consistent pressing force for all assembly to be assembled.

[0033] The X-, Y-, and vertical directions are perpendicular to each other. The specific structure and operating principles of the mounting platform 1, constant-force magnetic spring mechanism 22, and floating mechanism 23 can be configured with reference to existing technologies and will not be described in detail in this embodiment. The suction nozzle mechanism 21 is connected to an external air source and generates suction force on the assembly through vacuum suction.

[0034] One of the material picking and pressing assembly 2 and the part to be assembled is provided with a positioning pin 24, and the other is provided with a positioning hole. The floating mechanism 23 is configured to adjust the constant force magnetic spring mechanism 22 along the X direction and / or Y direction so that the positioning pin 24 is inserted into the positioning hole, thereby ensuring the relative position accuracy of the nozzle mechanism 21 and the part to be assembled.

[0035] For example, in one embodiment, the material picking and pressing assembly 2 is provided with a positioning pin 24, and is arranged on one side of the suction nozzle mechanism 21; the part to be assembled is provided with a positioning hole (not shown in the figure), and the product is provided with an auxiliary positioning hole. During the material picking process, the positioning pin 24 on the material picking and pressing assembly 2 is aligned and inserted into the positioning hole of the part to be assembled, thereby ensuring the relative position accuracy of the suction nozzle mechanism 21 and the part to be assembled. When the mounting platform 1 moves the material picking and pressing assembly 2 above the workpiece, the positioning pin 24 can be aligned and inserted into the auxiliary positioning hole of the workpiece when the floating mechanism 23 moves along the X and Y directions, thereby ensuring the relative position accuracy of the part to be assembled and the workpiece.

[0036] In order to further improve the positioning accuracy, a plurality of positioning pins 24 and positioning holes are provided, and the plurality of positioning pins 24 and the plurality of positioning holes correspond one to one.

[0037] A guiding slope 241 is provided at the end of the positioning pin 24. When the floating mechanism 23 adjusts the position of the suction nozzle mechanism 21 and the constant force magnetic spring mechanism 22 in the horizontal plane along the X direction or the Y direction, the guiding slope 241 is used to guide the positioning pin 24 to be inserted into the positioning hole, indicating that the suction nozzle mechanism 21 and the part to be assembled are now coaxial and the positioning accuracy meets the requirements.

[0038] The floating mechanism 23 is communicatively connected to the mounting platform 1 and has two states: a floating state and a locked state. When the floating mechanism 23 is in the floating state, the position of the constant-force magnetic spring mechanism 22 in the horizontal plane is adjustable. When the mounting platform 1 is in the pressure-holding state, the floating mechanism 23 is locked, preventing malfunction of the nozzle mechanism 21, which could cause relative movement between the assembly component and the product during the pressure-holding state and affect assembly accuracy.

[0039] In order to control the position accuracy of the assembly in the vertical direction, the material taking and pressing assembly 2 further includes a displacement sensor 25 , which is configured to detect the moving distance of the suction nozzle mechanism 21 in the vertical direction.

[0040] The retrieving and pressing assembly device also includes an alarm assembly communicatively connected to the displacement sensors 25 of the multiple retrieving and pressing assemblies 2. The alarm assembly is configured to issue an alarm when the detection values ​​of the multiple displacement sensors 25 are not identical. Inconsistent detection values ​​of the multiple displacement sensors 25 indicate that the positioning accuracy of at least one assembly component is insufficient. The alarm assembly can issue an alarm through at least one of an audible and a visual prompt to alert the operator of a problem with the assembly accuracy of the product and the need for scrapping or repair.

[0041] The retrieving and pressing device also includes multiple adjustment assemblies 3, which correspond one-to-one with the multiple retrieving and pressing assemblies 2. These adjustment assemblies 3 are used to adjust the position of the retrieving and pressing assemblies 2 on the mounting platform 1 so that the multiple suction nozzle mechanisms 21 correspond to the multiple assembly positions of the product. As the model and size of the product change, the number and position of the assembly positions on the product will also change accordingly. Adjustment by the multiple adjustment assemblies 3 ensures that the number and position of the multiple retrieving and pressing assemblies 2 meet the current product assembly requirements.

[0042] The adjustment mechanism includes a plurality of first adjustment holes 31 formed on the mounting platform 1 and an adjustment member 32 connected to the reclaiming and pressing down assembly 2. The adjustment member 32 is provided with a plurality of second adjustment holes 321, each of which can correspond to a different first adjustment hole 31. Fasteners 33 are provided through the first and second adjustment holes 31, 321, to connect the mounting platform 1 and the adjustment member 32, thereby adjusting the position of the reclaiming and pressing down assembly 2 relative to the mounting platform 1. Fasteners 33 can be bolts, making assembly and disassembly more convenient.

[0043] In one embodiment, the product includes multiple assembly positions, and multiple parts to be assembled correspond to the multiple assembly positions respectively. At least one of the multiple assembly positions has a height difference with the other assembly positions in the vertical direction, that is, the parts to be assembled after press-fitting are located at different heights. The material picking and pressing device also includes at least one set of auxiliary pressing components 4, which are arranged on the mounting platform 1. The output end of the auxiliary pressing component 4 is connected to one of the multiple sets of material picking pressing components 2. The auxiliary pressing component 4 is configured to drive the material picking pressing component 2 to reciprocate in the vertical direction so that at least one of the multiple sets of suction nozzle mechanisms 21 can form a height difference and adapt to the multiple assembly positions.

[0044] For example, the workpiece has four assembly positions, three of which are located in the same horizontal plane, and the other has a height difference with the horizontal plane. Correspondingly, the material picking and pressing device is provided with four groups of material picking and pressing assemblies 2 and one group of auxiliary pressing assemblies 4. The auxiliary pressing assemblies 4 correspond to one of the four groups of material picking and pressing assemblies 2. In this way, the mounting platform 1 simultaneously drives the four groups of material picking and pressing assemblies 2 to move to a certain height position in the vertical direction. At this time, the suction nozzle mechanisms 21 of the three groups of material picking and pressing assemblies 2 have all placed the parts to be assembled on the corresponding assembly positions; then, the auxiliary pressing assembly 4 drives the corresponding material picking and pressing assemblies 2 to continue to move in the vertical direction until the suction nozzle mechanism 21 of the material picking and pressing assemblies 2 places the parts to be assembled on the corresponding assembly position.

[0045] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. Material picking and pressing device, used to press multiple parts to be assembled onto the product, characterized in that: The material picking and pressing device comprises a mounting platform (1) and a plurality of groups of material picking and pressing assemblies (2), wherein the plurality of groups of material picking and pressing assemblies (2) are arranged at intervals and are detachably connected to the mounting platform (1), and the plurality of groups of material picking and pressing assemblies (2) correspond one to one with the plurality of parts to be assembled; each group of the material picking and pressing assemblies (2) comprises a suction nozzle mechanism (21), a constant force magnetic spring mechanism (22) and a floating mechanism (23), wherein the suction nozzle mechanism (21) is connected to the output end of the constant force magnetic spring mechanism (22), and the floating mechanism (23) is connected to the output end of the constant force magnetic spring mechanism (22). The suction nozzle mechanism (21) is configured to absorb the parts to be assembled, the constant force magnetic spring mechanism (22) is connected to the output end of the floating mechanism (23), and the floating mechanism (23) is configured to adjust the constant force magnetic spring mechanism (22) along the X direction and / or the Y direction so that the suction nozzle mechanism (21) and the parts to be assembled are coaxially aligned; wherein the mounting platform (1) can drive the material taking and pressing assembly (2) to move back and forth in the vertical direction and press a plurality of the parts to be assembled onto the product.

2. The material taking and pressing device according to claim 1, characterized in that: One of the material taking and pressing assembly (2) and the part to be assembled is provided with a positioning pin (24), and the other is provided with a positioning hole. The floating mechanism (23) is configured to adjust the constant force magnetic spring mechanism (22) along the X direction and / or the Y direction so that the positioning pin (24) is inserted into the positioning hole.

3. The material taking and pressing device according to claim 2, characterized in that: There are multiple positioning pins (24) and multiple positioning holes, and the multiple positioning pins (24) and the multiple positioning holes correspond one to one; and / or, A guiding slope (241) is provided at the end of the positioning pin (24), and the guiding slope (241) is used to guide the positioning pin (24) to be inserted into the positioning hole.

4. The material taking and pressing device according to claim 2, characterized in that: The material taking and pressing assembly (2) is provided with the positioning pin (24), the to-be-assembled part is provided with the positioning hole, the product is provided with an auxiliary positioning hole, and the positioning pin (24) can be sequentially inserted into the positioning hole and the auxiliary positioning hole.

5. The material taking and pressing device according to claim 1, characterized in that: The floating mechanism (23) is communicatively connected to the mounting platform (1), and the floating mechanism (23) has a floating state and a locked state. When the floating mechanism (23) is in the floating state, the position of the constant-force magnetic spring mechanism (22) in the horizontal plane is adjustable; when the mounting platform (1) is in the pressure-maintaining state, the floating mechanism (23) is in the locked state.

6. The material taking and pressing device according to claim 1, characterized in that: The material taking and pressing down assembly (2) further comprises a displacement sensor (25), and the displacement sensor (25) is configured to detect the moving distance of the suction nozzle mechanism (21) in the vertical direction.

7. The material taking and pressing device according to claim 6, characterized in that: The material taking and pressing device further comprises an alarm component, wherein the alarm component is communicatively connected to the displacement sensors (25) of the plurality of material taking and pressing assemblies (2), and the alarm component is configured to issue an alarm when the detection values ​​of the plurality of displacement sensors (25) are not completely the same.

8. The material taking and pressing device according to claim 1, characterized in that: The material picking and pressing device further comprises a plurality of adjustment components (3), wherein the plurality of adjustment components (3) correspond one to one with the plurality of material picking and pressing components (2), and the adjustment components (3) are used to adjust the position of the material picking and pressing components (2) on the mounting platform (1) so that the plurality of suction nozzle mechanisms (21) respectively correspond to the plurality of assembly positions of the product.

9. The material taking and pressing device according to claim 8, characterized in that: The adjustment mechanism comprises a plurality of first adjustment holes (31) provided on the mounting platform (1) and an adjustment member (32) connected to the material taking down-pressing assembly (2); a plurality of second adjustment holes (321) are provided on the adjustment member (32); one of the second adjustment holes (321) can correspond to a different first adjustment hole (31); a fastener (33) is passed through the first adjustment hole (31) and the second adjustment hole (321) to connect the mounting platform (1) and the adjustment member (32) to adjust the position of the material taking down-pressing assembly (2) relative to the mounting platform (1).

10. The material taking and pressing device according to any one of claims 1 to 9, characterized in that: The product includes a plurality of assembly positions, and a plurality of the parts to be assembled correspond to the plurality of assembly positions respectively. At least one of the plurality of assembly positions has a height difference with the other assembly positions in the vertical direction. The material picking and pressing device also includes at least one group of auxiliary pressing components (4). The auxiliary pressing components (4) are arranged on the installation platform (1). The output end of the auxiliary pressing component (4) is connected to one of the plurality of groups of material picking pressing components (2). The auxiliary pressing component (4) is arranged to drive the material picking pressing component (2) to move back and forth in the vertical direction so that at least one of the plurality of groups of suction nozzle mechanisms (21) can form a height difference and adapt to the plurality of assembly positions.

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