A device for judging the front and back of an upper cover

Abstract

The present invention discloses a device for judging the front and back of an upper cover, comprising a body and a detection mechanism, a positioning fixture mechanism and a material taking and releasing mechanism installed on the body, wherein the material taking and releasing mechanism is used to take, place and convey the upper cover of a charger, the detection mechanism is used to detect the direction of the upper cover of the charger, the positioning fixture mechanism is used to carry the upper cover of the charger and is rotatable; the material taking and releasing mechanism comprises a multi-axis drive component and a material suction component, the material suction component is installed on the multi-axis drive component, and the multi-axis drive component is used to drive the material suction component to move. The device for judging the front and back of an upper cover of the present invention can automatically identify the direction of a product, and can adjust misplaced products, improve product consistency, improve production efficiency and yield, and facilitate subsequent production; and the whole process is automatic, saving manpower and reducing production labor costs.

Description

Technical Field

[0001] The invention relates to the field of conveying equipment, and in particular to a device for judging the front and back of an upper cover. Background Art

[0002] 3C products have emerged in recent years along with the development of the electronics industry. They mainly refer to computer, communication, and consumer electronic products. In this industry, technology is developing at a rapid pace, with frequent upgrades and replacements. A large number of new products are launched almost every month, which has become a hot area in product design.

[0003] In the 3C electronics industry, many products are made of metal. For smartphones or other electronic products, the charger connected to the external power source is one of the indispensable parts.

[0004] In the production process of the charger, the components that make up the charger need to be assembled, and the transportation and transfer of the assembly process is a very important process. In the existing technology, this process is generally carried out manually, such as using a transfer box for manual handling and manual loading. The defects are: first, the cost of manual handling is high and the efficiency is low; second, manual operation is prone to reverse placement of products, affecting quality and production efficiency. Utility Model Content

[0005] The purpose of the present invention is to provide a device for judging whether an upper cover is front or back, which can at least solve one of the above problems.

[0006] According to one aspect of the present invention, a device for determining whether an upper cover is positive or negative is provided, comprising a body and a detection mechanism, a positioning fixture mechanism and a material taking and placing mechanism installed on the body, wherein the material taking and placing mechanism is used to take, place and convey the upper cover of the charger, the detection mechanism is used to detect the direction of the upper cover of the charger, and the positioning fixture mechanism is used to carry the upper cover of the charger and is rotatable;

[0007] The material taking and placing mechanism comprises a multi-axis driving assembly and a material suction assembly. The material suction assembly is installed on the multi-axis driving assembly, and the multi-axis driving assembly is used to drive the material suction assembly to move.

[0008] Therefore, the working principle of the device for judging the front and back of the upper cover of the present invention is: the material picking and discharging mechanism sucks the upper cover of the charger through the detection mechanism; the detection mechanism judges the front and back of the product on the upper cover of the charger, and the material picking and discharging mechanism moves again to put the product into the positioning fixture mechanism; under the guidance of the detection mechanism, the positioning fixture mechanism automatically rotates the reversed upper cover product of the charger to the correct angle, and then sucks the product through the material picking and discharging mechanism for output. The device for judging the front and back of the upper cover of the present invention can automatically identify the direction of the product, and can adjust the misplaced products, improve product consistency, improve production efficiency and yield, and facilitate subsequent production; and it is fully automatic, saving manpower and reducing production labor costs. The device for judging the front and back of the upper cover of the present invention is mainly used for product transportation in the automatic assembly production line of mobile phone chargers, and can automatically judge the front and back of the product, and continue to transport after the loading and unloading manipulators of the front and rear workstations complete the product picking and placing; the production process does not require human participation, ensuring production efficiency and product yield.

[0009] In some embodiments, the multi-axis drive assembly includes an X-axis feed drive module, a Y-axis feed drive module, and a Z-axis feed drive module, the suction assembly is installed on the Z-axis feed drive module, the Z-axis feed drive module is installed on the X-axis feed drive module, the X-axis feed drive module is installed on the Y-axis feed drive module, and the Y-axis feed drive module is installed on the machine body;

[0010] The X-axis feed drive module is used to drive the suction component to move along the X-axis direction;

[0011] The Y-axis feed drive module is used to drive the suction component to move along the Y-axis direction;

[0012] The Z-axis feed drive module is used to drive the suction component to move along the Z-axis direction.

[0013] Therefore, the multi-axis drive assembly of the present invention is a three-axis mechanism, which can complete rapid positioning and material picking and placing operations.

[0014] In some embodiments, the suction assembly includes a first mounting plate and at least one suction module mounted on the first mounting plate, and the suction module cooperates with the upper cover of the charger.

[0015] In some embodiments, the suction assembly further includes a variable pitch drive module, which is used to adjust the distance between the suction modules, and the variable pitch drive module includes a first driving member, a second mounting plate, a first guide rail, a first slider, a second guide rail, and a second slider, the second mounting plate is mounted on the Z-axis feed drive module, the first driving member is mounted on the second mounting plate and the driving end is connected to the first mounting plate, the first guide rail is mounted on the second mounting plate, the first slider is mounted on the bottom of the first mounting plate and is sleeved on the outer periphery of the first guide rail, the first slider is slidably matched with the first guide rail, the second guide rail is mounted on the first mounting plate, the first slider is mounted on the bottom of the suction module and is sleeved on the outer periphery of the second guide rail, the second slider is slidably matched with the second guide rail, the first guide rail and the second guide rail are perpendicular to each other;

[0016] The suction assembly also includes a sliding rod, a first sliding groove is opened on the first mounting plate, and a second sliding groove is opened on the second mounting plate. The number of the first sliding grooves and the second sliding grooves corresponds to the number of the suction modules. One end of the sliding rod is connected to the suction module, and the other end can pass through the first sliding groove and cooperate with the second sliding groove.

[0017] Therefore, the present invention is provided with a variable pitch drive module, which can realize the variable pitch operation of each suction module. The specific working principle is: the first driving member is extended and retracted, driving the first mounting plate and the first sliding block installed on the first mounting plate to slide along the first guide rail for lifting and lowering movement, the first mounting plate pushes the sliding rod to slide along the second sliding groove, thereby driving each suction module to gather along the second guide rail at the same time or separate along the second guide rail at the same time, thereby completing the variable pitch adjustment.

[0018] In some embodiments, the suction module includes a mounting block and a suction cup that cooperates with the upper shell of the charger. The suction cup is installed on the mounting block and there is at least one suction cup. The lower end of the mounting block slides with the second guide rail through a second slider, and the upper end of the mounting block is limitedly cooperated with the first slide groove and the second slide groove through a slide rod.

[0019] In some embodiments, the Z-axis feed drive module includes a first mounting frame and a second driving member, the first mounting frame is mounted on the X-axis feed drive module, the second driving member is mounted on the first mounting frame, the driving end of the second driving member is connected to the second mounting plate, and the second driving member can drive the second mounting plate to rise and fall.

[0020] In some embodiments, the X-axis feed drive module includes a third drive member and a third slider, the third drive member is a linear motor, the first mounting frame is connected to the third slider, the third slider is slidably mounted on the third drive member, and the third slider can slide horizontally along the X-axis direction under the drive of the third drive member. Therefore, the working principle of the X-axis feed drive module is: the third drive member drives the third slider to slide, drives the first mounting frame mounted on the third slider to slide, and then completes the feeding of the suction assembly in the X-axis direction.

[0021] In some embodiments, the Y-axis feed drive module includes a fourth drive member, a third mounting plate, a fourth guide rail, and a fourth slider. The fourth drive member and the fourth guide rail are both mounted on the machine body. The X-axis feed drive module is mounted on the third mounting plate. The bottom of the third mounting plate is slidably mounted on the fourth guide rail through the fourth slider. The fourth drive member is connected to the third mounting plate to drive the third mounting plate to slide forward and backward along the Y-axis direction. Thus, the working principle of the Y-axis feed drive module is as follows: the fourth drive member drives the third mounting plate and the fourth slider mounted on the bottom of the third mounting plate to slide along the fourth guide rail, driving the X-axis feed drive module mounted on the third mounting plate and the suction assembly mounted on the X-axis feed drive module to slide, thereby completing the feeding of the suction assembly in the Y-axis direction.

[0022] In some embodiments, the positioning jig mechanism includes a second mounting frame and at least one positioning jig assembly mounted on the second mounting frame, each positioning jig assembly includes a positioning jig and a rotating drive member, the second mounting frame is mounted on the machine body, the rotating drive member is mounted on the second mounting frame, the positioning jig is mounted on the driving end of the rotating drive member, and each positioning jig is provided with a mounting slot that matches the upper cover of the charger. Thus, the positioning jig mechanism can be used to place products and can adjust the products in the forward and reverse directions, so that all products are in the same direction, which is convenient for subsequent production operations.

[0023] In some embodiments, the positioning fixture mechanism further includes a sensing component, the sensing component includes a sensing sheet and a sensor, the sensor is mounted on the second mounting frame and located on the side of the positioning fixture, and the sensing sheet is mounted on the positioning fixture and cooperates with the sensor. Thus, the setting of the sensing component can achieve precise control of the rotation angle.

[0024] In some embodiments, the positioning fixture mechanism further includes a receiving tray, which is mounted on the second mounting frame and located below the positioning fixture assembly. Thus, the receiving tray can catch products that accidentally fall.

[0025] In some embodiments, the positioning fixture mechanism further includes a waste tray, which is mounted on the second mounting frame and located on the side of the positioning fixture. Thus, the waste tray is used to receive defective products.

[0026] Beneficial effects of the present invention:

[0027] The device for judging the front and back of the upper cover of the present invention can automatically identify the direction of the product, and can adjust the misplaced products, improve product consistency, improve production efficiency and yield, and facilitate subsequent production; and the whole process is automatic, saving manpower and reducing production labor costs. The device for judging the front and back of the upper cover of the present invention is mainly used for product transportation in the automatic assembly production line of mobile phone chargers. It can automatically distinguish the front and back of the product, and continue to transport after the loading and unloading manipulators of the front and rear workstations complete the product placement; the production process does not require human participation, ensuring production efficiency and product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the three-dimensional structure of a device for judging the front and back of an upper cover according to an embodiment of the present invention;

[0029] Figure 2 for Figure 1 A schematic diagram of the top view of the structure of the device for judging the front and back of the upper cover shown;

[0030] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the material taking and discharging mechanism of the device for judging the front and back of the upper cover shown;

[0031] Figure 4 for Figure 3 One of the three-dimensional structural schematic diagrams of the material suction component of the material taking and placing mechanism shown;

[0032] Figure 5 for Figure 3 The second three-dimensional structural schematic diagram of the material suction component of the material taking and placing mechanism shown;

[0033] Figure 6 for Figure 3 The third schematic diagram of the three-dimensional structure of the material suction component of the material taking and placing mechanism shown;

[0034] Figure 7 for Figure 1 A schematic diagram of the three-dimensional structure of the positioning fixture mechanism of the upper cover front and back judging device shown;

[0035] Figure 8 for Figure 7 The schematic diagram of the structure of the positioning fixture mechanism after the omission is shown.

[0036] Figures 1 to 8The reference numerals in the figure are: 1-body; 2-detection mechanism; 3-positioning fixture mechanism; 4-material taking and releasing mechanism; 5-charger cover; 31-second mounting frame; 32-positioning fixture assembly; 33-sensing assembly; 34-receiving tray; 35-waste tray; 41-multi-axis driving assembly; 42-suction assembly; 321-positioning fixture; 322-rotation driving member; 331-sensing sheet; 332-sensor; 411-X-axis feeding driving module; 412-Y-axis feeding driving module; 413-Z-axis feeding driving module; 421-first mounting plate; 422-suction module; 42 3-variable pitch drive module; 424-slide bar; 3211-mounting slot; 4111-third drive member; 4112-third slider; 4121-third mounting plate; 4122-fourth guide rail; 4123-fourth slider; 4131-first mounting frame; 4132-second drive member; 4211-first slide slot; 4221-mounting block; 4222-suction cup; 4231-first drive member; 4232-second mounting plate; 4233-first guide rail; 4234-first slider; 4235-second guide rail; 4236-second slider; 4232a-second slide slot. DETAILED DESCRIPTION

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] Figures 1 to 8 A device for determining whether an upper cover is front or back according to an embodiment of the present invention is schematically shown.

[0039] like Figures 1 to 8 As shown, the device for judging whether the upper cover is positive or negative includes a body 1 and a detection mechanism 2, a positioning fixture mechanism 3 and a material taking and placing mechanism 4 installed on the body 1. The material taking and placing mechanism 4 is used to take, place and convey the charger upper cover 5, the detection mechanism 2 is used to detect the direction of the charger upper cover 5, and the positioning fixture mechanism 3 is used to carry the charger upper cover 5 and is rotatable.

[0040] The material taking and placing mechanism 4 comprises a multi-axis driving assembly 41 and a material suction assembly 42. The material suction assembly 42 is mounted on the multi-axis driving assembly 41, and the multi-axis driving assembly 41 is used to drive the material suction assembly 42 to move.

[0041] The multi-axis driving assembly 41 of this embodiment can be a three-axis driving assembly, and the multi-axis driving assembly 41 includes an X-axis feeding driving module 411, a Y-axis feeding driving module 412, and a Z-axis feeding driving module 413. The suction assembly 42 is installed on the Z-axis feeding driving module 413, the Z-axis feeding driving module 413 is installed on the X-axis feeding driving module 411, the X-axis feeding driving module 411 is installed on the Y-axis feeding driving module 412, and the Y-axis feeding driving module 412 is installed on the machine body 1;

[0042] The X-axis feeding drive module 411 is used to drive the material suction assembly 42 to move along the X-axis direction;

[0043] The Y-axis feeding drive module 412 is used to drive the material suction assembly 42 to move along the Y-axis direction;

[0044] The Z-axis feeding driving module 413 is used to drive the material suction assembly 42 to move along the Z-axis direction.

[0045] Therefore, the multi-axis driving assembly 41 of the present invention is a three-axis mechanism, which can complete rapid positioning and material picking and placing operations.

[0046] like Figures 4 to 6 As shown, the suction assembly 42 includes a first mounting plate 421 and at least one suction module 422 mounted on the first mounting plate 421 , and the suction module 422 cooperates with the charger cover 5 .

[0047] The suction assembly 42 further includes a variable distance drive module 423. The variable distance drive module 423 is used to adjust the distance between each suction module 422. The variable distance drive module 423 includes a first driving member 4231, a second mounting plate 4232, a first guide rail 4233, a first slider 4234, a second guide rail 4235 and a second slider 4236. The first driving member 4231 of this embodiment can be a telescopic cylinder. The second mounting plate 4232 is mounted on the Z-axis feed drive module 413, the first driving member 4231 is mounted on the second mounting plate 4232 and the driving end is connected to the first mounting plate 421, the first guide rail 4233 is mounted on the second mounting plate 4232, the first slider 4234 is mounted on the bottom of the first mounting plate 421 and is sleeved on the outer periphery of the first guide rail 4233, the first slider 4234 is slidably matched with the first guide rail 4233, the second guide rail 4235 is mounted on the first mounting plate 421, the first slider 4234 is mounted on the bottom of the suction module 422 and is sleeved on the outer periphery of the second guide rail 4235, and the second slider 4236 is slidably matched with the second guide rail 4235.

[0048] The first guide rail 4233 and the second guide rail 4235 are perpendicular to each other. Furthermore, in this embodiment, the first guide rail 4233 is vertically arranged, and the second guide rail 4235 is horizontally arranged.

[0049] The suction assembly 42 also includes a slide bar 424. A first slide groove 4211 is provided on the first mounting plate 421, and a second slide groove 4232a is provided on the second mounting plate 4232. The number of the first slide grooves 4211 and the second slide grooves 4232a corresponds to the number of the suction modules 422. One end of the slide bar 424 is connected to the suction module 422, and the other end can pass through the first slide groove 4211 and be limitedly matched with the second slide groove 4232a through the set pulley. In this embodiment, the first slide groove 4211 is arranged horizontally, and the second slide groove 4232a is arranged obliquely in the vertical direction and is in an eight-shaped shape.

[0050] Therefore, the present invention is provided with a variable pitch drive module 423, which can realize the variable pitch operation of each suction module 422. The specific working principle is: the first driving member 4231 is extended and retracted, driving the first mounting plate 421 and the first slider 4234 installed on the first mounting plate 421 to slide along the first guide rail 4233 to perform lifting and lowering movements, the first mounting plate 421 pushes the slide rod 424 to slide along the second slide groove 4232a, thereby driving each suction module 422 to gather together along the second guide rail 4235 at the same time or separate along the second guide rail 4235 at the same time, thereby completing the variable pitch adjustment.

[0051] The suction module 422 includes a mounting block 4221 and a suction cup 4222 that matches the upper shell of the charger. The suction cup 4222 is mounted on the mounting block 4221 and is at least one, the lower end of the mounting block 4221 is slidably matched with the second guide rail 4235 through the second slider 4236, and the upper end of the mounting block 4221 is limitedly matched with the first slide groove 4211 and the second slide groove 4232a through the slide rod 424.

[0052] The Z-axis feed drive module 413 includes a first mounting frame 4131 and a second drive member 4132. The first mounting frame 4131 is mounted on the X-axis feed drive module 411. The second drive member 4132 is mounted on the first mounting frame 4131, and the driving end of the second drive member 4132 is connected to the second mounting plate 4232. The second drive member 4132 of this embodiment can be a telescopic cylinder. The second drive member 4132 can drive the second mounting plate 4232 to rise and fall.

[0053] The X-axis feeding drive module 411 includes a third driving member 4111 and a third slider 4112. The third driving member 4111 is a linear motor, and the first mounting frame 4131 is connected to the third slider 4112. The third slider 4112 can be slidably mounted on the third driving member 4111, and driven by the third driving member 4111, the third slider 4112 can slide horizontally along the X-axis direction. Therefore, the working principle of the X-axis feeding drive module 411 is: the third driving member 4111 drives the third slider 4112 to slide, driving the first mounting frame 4131 mounted on the third slider 4112 to slide, thereby completing the feeding of the suction assembly 42 in the X-axis direction.

[0054] The Y-axis feed drive module 412 includes a fourth drive member, a third mounting plate 4121, a fourth guide rail 4122, and a fourth slider 4123. The fourth drive member and the fourth guide rail 4122 are both mounted on the machine body 1, the X-axis feed drive module 411 is mounted on the third mounting plate 4121, and the bottom of the third mounting plate 4121 is slidably mounted on the fourth guide rail 4122 through the fourth slider 4123. The fourth drive member of this embodiment can be a telescopic cylinder. The fourth drive member is connected to the third mounting plate 4121, and is used to drive the third mounting plate 4121 to slide forward and backward along the Y-axis direction. Therefore, the working principle of the Y-axis feed drive module 412 is: the fourth driving member drives the third mounting plate 4121 and the fourth slider 4123 installed at the bottom of the third mounting plate 4121 to slide along the fourth guide rail 4122, driving the X-axis feed drive module 411 installed on the third mounting plate 4121 and the suction assembly 42 installed on the X-axis feed drive module 411 to slide, thereby completing the feeding of the suction assembly 42 in the Y-axis direction.

[0055] like Figure 7 and Figure 8 As shown, the positioning jig mechanism 3 of this embodiment includes a second mounting frame 31 and at least one positioning jig assembly 32 mounted on the second mounting frame 31. Each positioning jig assembly 32 includes a positioning jig 321 and a rotating drive member 322, and the second mounting frame 31 is mounted on the body 1. The rotating drive member 322 of this embodiment can be a rotating motor. The rotating drive member 322 is mounted on the second mounting frame 31, and the positioning jig 321 is mounted on the driving end of the rotating drive member 322. Each positioning jig 321 is provided with a mounting groove 3211 that matches the charger cover 5. Therefore, the positioning jig mechanism 3 can be used to place products and can adjust the products in the forward and reverse directions so that all products are in the same direction, which is convenient for subsequent production operations.

[0056] The positioning fixture mechanism 3 also includes a sensing component 33. The sensing component 33 includes a sensing sheet 331 and a sensor 332. The sensor 332 is mounted on the second mounting frame 31 and is located on the side of the positioning fixture 321. The sensing sheet 331 is mounted on the positioning fixture 321 and cooperates with the sensor 332. The sensor 332 of this embodiment can be an infrared sensor, etc. Therefore, the setting of the sensing component 33 can achieve precise control of the rotation angle.

[0057] The positioning fixture mechanism 3 also includes a receiving tray 34. The receiving tray 34 is mounted on the second mounting frame 31 and is located below the positioning fixture assembly 32. Thus, the receiving tray 34 can catch products that are accidentally dropped.

[0058] The positioning fixture mechanism 3 further includes a waste tray 35. The waste tray 35 is mounted on the second mounting frame 31 and is located on the side of the positioning fixture 321. Thus, the waste tray 35 is used to receive defective products.

[0059] The detection mechanism 2 of the present invention can be a CCD visual camera with the lens facing upward, which can be used in conjunction with a computer to achieve visual shooting and detection of the product direction, and feedback to the positioning fixture mechanism 3 for corresponding operations.

[0060] The working principle of the device for judging the front and back of the upper cover of the present invention is as follows:

[0061] The picking and discharging mechanism 4 sucks the charger cover 5 and passes through the detection mechanism 2; the detection mechanism 2 determines whether the charger cover 5 is positive or negative, and the picking and discharging mechanism 4 moves again to put the product into the positioning fixture mechanism 3; under the guidance of the detection mechanism 2, the positioning fixture mechanism 3 automatically rotates the reversed charger cover 5 product to the correct angle, and then sucks the product through the picking and discharging mechanism 4 for output.

[0062] The upper cover front and back judging device of the present invention can automatically identify the product direction and can adjust the misplaced products, thereby improving product consistency, improving production efficiency and yield, and facilitating subsequent production; and the whole process is automatic, saving manpower and reducing production labor costs.

[0063] The device for judging the front and back of the upper cover of the present invention is mainly used for product transportation in the automatic assembly production line of mobile phone chargers. It can automatically judge the front and back of the product, and continue to transport it after the loading and unloading manipulators of the front and rear workstations complete the product picking and placing. The production process does not require human participation, ensuring production efficiency and product yield.

[0064] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A device for judging whether a cover is front or back, characterized in that: The device comprises a body (1), a detection mechanism (2), a positioning fixture mechanism (3) and a material taking and placing mechanism (4) installed on the body (1), wherein the material taking and placing mechanism (4) is used for taking, placing and conveying a charger upper cover (5), the detection mechanism (2) is used for detecting the direction of the charger upper cover (5), and the positioning fixture mechanism (3) is used for carrying the charger upper cover (5) and is rotatable; The material taking and placing mechanism (4) comprises a multi-axis driving assembly (41) and a material suction assembly (42), wherein the material suction assembly (42) is mounted on the multi-axis driving assembly (41), and the multi-axis driving assembly (41) is used to drive the material suction assembly (42) to move; The multi-axis driving assembly (41) comprises an X-axis feeding driving module (411), a Y-axis feeding driving module (412) and a Z-axis feeding driving module (413); the material suction assembly (42) is mounted on the Z-axis feeding driving module (413); the Z-axis feeding driving module (413) is mounted on the X-axis feeding driving module (411); the X-axis feeding driving module (411) is mounted on the Y-axis feeding driving module (412); and the Y-axis feeding driving module (412) is mounted on the machine body (1); The X-axis feeding drive module (411) is used to drive the material suction component (42) to move along the X-axis direction; The Y-axis feeding drive module (412) is used to drive the material suction component (42) to move along the Y-axis direction; The Z-axis feeding drive module (413) is used to drive the material suction component (42) to move along the Z-axis direction; The material suction assembly (42) comprises a first mounting plate (421) and at least one material suction module (422) mounted on the first mounting plate (421), wherein the material suction module (422) cooperates with the charger upper cover (5); The material suction assembly (42) further comprises a variable pitch drive module (423), wherein the variable pitch drive module (423) is used to adjust the distance between each material suction module (422), wherein the variable pitch drive module (423) comprises a first driving member (4231), a second mounting plate (4232), a first guide rail (4233), a first slider (4234), a second guide rail (4235) and a second slider (4236), wherein the second mounting plate (4232) is mounted on the Z-axis feed drive module (413), the first driving member (4231) is mounted on the second mounting plate (4232) and the driving end is connected to the first mounting plate (421), and the first guide rail (4233) is installed on the second installation plate (4232), the first slider (4234) is installed on the bottom of the first installation plate (421) and is mounted on the outer periphery of the first guide rail (4233), the first slider (4234) and the first guide rail (4233) are slidably matched, the second guide rail (4235) is installed on the first installation plate (421), the first slider (4234) is installed on the bottom of the suction module (422) and is mounted on the outer periphery of the second guide rail (4235), the second slider (4236) and the second guide rail (4235) are slidably matched, and the first guide rail (4233) and the second guide rail (4235) are perpendicular to each other; The material suction assembly (42) further comprises a slide bar (424), the first mounting plate (421) is provided with a first slide groove (4211), the second mounting plate (4232) is provided with a second slide groove (4232a), the number of the first slide grooves (4211) and the second slide grooves (4232a) corresponds to the number of the material suction module (422), one end of the slide bar (424) is connected to the material suction module (422), and the other end can pass through the first slide groove (4211) and be limitedly matched with the second slide groove (4232a); The Z-axis feed drive module (413) comprises a first mounting frame (4131) and a second drive member (4132), wherein the first mounting frame (4131) is mounted on the X-axis feed drive module (411), and the second drive member (4132) is mounted on the first mounting frame (4131), and the driving end of the second drive member (4132) is connected to the second mounting plate (4232), and the second drive member (4132) can drive the second mounting plate (4232) to rise and fall; The positioning fixture mechanism (3) comprises a second mounting frame (31) and at least one positioning fixture assembly (32) mounted on the second mounting frame (31), each of the positioning fixture assemblies (32) comprising a positioning fixture (321) and a rotating drive member (322), the second mounting frame (31) being mounted on the machine body (1), the rotating drive member (322) being mounted on the second mounting frame (31), the positioning fixture (321) being mounted on the driving end of the rotating drive member (322), and each of the positioning fixtures (321) being provided with a mounting groove (3211) matching with the charger cover (5); The positioning fixture mechanism (3) further comprises a sensing component (33), wherein the sensing component (33) comprises a sensing sheet (331) and a sensor (332), wherein the sensor (332) is mounted on the second mounting frame (31) and is located on the side of the positioning fixture (321), and the sensing sheet (331) is mounted on the positioning fixture (321) and cooperates with the sensor (332).

2. The device for judging whether the upper cover is front or back according to claim 1, characterized in that: The suction module (422) includes a mounting block (4221) and a suction cup (4222) matched with the upper shell of the charger, wherein the suction cup (4222) is mounted on the mounting block (4221) and is at least one, and the lower end of the mounting block (4221) is slidably matched with the second guide rail (4235) through a second slider (4236), and the upper end of the mounting block (4221) is limitedly matched with the first slide groove (4211) and the second slide groove (4232a) through a slide rod (424).

3. The device for judging whether the upper cover is front or back according to claim 1, characterized in that: The X-axis feed drive module (411) includes a third drive member (4111) and a third slider (4112), wherein the third drive member (4111) is a linear motor, the first mounting frame (4131) is connected to the third slider (4112), and the third slider (4112) can be slidably mounted on the third drive member (4111). Driven by the third drive member (4111), the third slider (4112) can slide horizontally along the X-axis direction.

4. The device for judging whether the upper cover is front or back according to claim 3, characterized in that: The Y-axis feed drive module (412) comprises a fourth drive member, a third mounting plate (4121), a fourth guide rail (4122), and a fourth slider (4123); the fourth drive member and the fourth guide rail (4122) are both mounted on the machine body (1); the X-axis feed drive module (411) is mounted on the third mounting plate (4121); the bottom of the third mounting plate (4121) is slidably mounted on the fourth guide rail (4122) via a fourth slider (4123); the fourth drive member is connected to the third mounting plate (4121) and is used to drive the third mounting plate (4121) to slide forward and backward along the Y-axis direction.

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