Film capacitor pre-installation device

Abstract

The utility model relates to the technical field of capacitor production and processing, and provides a film capacitor pre-installation device which comprises a rack, a vibration disc, a material conveying assembly, an assembly rotating disc and an element feeding assembly, the assembly rotating disc comprises a bottom disc and a positioning disc, the bottom disc is rotationally connected to the rack, the positioning disc is detachably connected to the bottom disc, and the element feeding assembly is arranged on the vibration disc. A plurality of positioning grooves for positioning the plastic shell are formed in the positioning disc, and the positioning grooves are arrayed in the circumferential direction; the vibration disc is used for carrying out vibration feeding on the plastic shells, and the conveying assembly is used for conveying the plastic shells which are arranged in order to the positioning disc; the material conveying assembly comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate form a feeding channel, the two ends of the feeding channel communicate with the vibration disc and the positioning groove correspondingly, and the distance between the first limiting plate and the second limiting plate is adjustable. The capacitor pre-installation device has the effect of improving the applicability of the capacitor pre-installation device.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of capacitor production and processing, and in particular to a thin-film capacitor pre-mounting device. BACKGROUND

[0002] A thin-film capacitor is a precision electronic component that utilizes metal foil as its core electrode material. These metal foils are carefully selected to ensure that they have optimal conductivity and durability. Subsequently, these electrodes are combined with a series of carefully selected plastic film materials, including polyethylene, polypropylene, polystyrene or polycarbonate, each of which has unique electrical characteristics, providing different performance advantages for capacitors.

[0003] A capacitor generally consists of an element (i.e. the capacitor body), a plastic shell and pins, etc. The pins are welded on both sides of the element, and the element is encapsulated in the plastic shell by a gel. The plastic shell not only plays a physical protection role, but also can prevent the influence of environmental factors such as humidity and temperature changes on the sensitive components inside the capacitor. The capacitor has excellent performance and is widely used in the electronic, communication, power and other industries.

[0004] The patent application with the publication number CN108723792A discloses a capacitor multi-pin welding shell injection assembly machine, which comprises a capacitor element feeding mechanism for feeding capacitor elements to the element disc clamping and conveying mechanism, an element disc clamping and conveying mechanism for conveying capacitor elements to the welding mechanism and the rotating disc mechanism in sequence, a wire feeding mechanism for feeding capacitor pin wires, a flattening and cutting mechanism for flattening and cutting capacitor pin wires into pins, a welding mechanism for welding capacitor pins on both sides of the capacitor element, a rotating disc mechanism for bearing the capacitor plastic shell and converting the workstations, a plastic shell feeding mechanism for feeding the capacitor plastic shell to the rotating disc mechanism, and an element pressing mechanism for pressing the capacitor element placed in the plastic shell into position.

[0005] The rotating disc mechanism comprises an assembly disc support, an assembly rotating disc, a plastic shell tray, an outer retaining ring support and an assembly disc rotating drive device. The outer retaining ring support is installed on the assembly disc rotating drive device, the assembly rotating disc and the plastic shell tray are respectively installed inside the outer retaining ring support, the assembly rotating disc is located above the plastic shell tray, the assembly disc rotating drive device is in transmission connection with the assembly rotating disc and can drive the assembly rotating disc to rotate, and the edge of the assembly rotating disc is provided with a plurality of positioning grooves for placing the plastic shell.

[0006] In the above-mentioned rotating disc mechanism, the positioning groove for placing the plastic shell is usually preset. The size of the element is adjusted according to the capacitance value of the film capacitor, which causes the size of the plastic shell to change accordingly. Therefore, a set of equipment can only adapt to a fixed size of the plastic shell, and cannot be pre-installed with different types of film capacitors. This means that a special rotating disc needs to be designed for each type of film capacitor, and therefore needs to be improved. Invention content

[0007] In order to improve the applicability of the capacitor pre-installation device, the application provides a film capacitor pre-installation device.

[0008] The film capacitor pre-installation device provided by the application adopts the following technical scheme:

[0009] A film capacitor pre-installation device, comprising a rack, a vibrating disc, a material conveying assembly, an assembly rotating disc and an element feeding assembly, the assembly rotating disc comprising a bottom disc and a positioning disc, the bottom disc being rotationally connected to the rack, and the positioning disc being detachably connected to the bottom disc, a plurality of positioning grooves for positioning the plastic shell being formed on the positioning disc and arranged in a circumferential direction;

[0010] The vibrating disc is used for vibrating and feeding the plastic shell, and the material conveying assembly is used for conveying the arranged plastic shell to the positioning disc; the first limiting plate and the second limiting plate of the material conveying assembly are parallel to each other and form a feeding channel, the two ends of the feeding channel being respectively communicated with the output end of the vibrating disc and the positioning groove, and the feeding channel being inclined downward along the direction close to the positioning disc;

[0011] The distance between the first limiting plate and the second limiting plate is adjustably arranged, a first plate is connected to the first limiting plate, a first slot is formed in the first plate, and the first plate is locked to the rack by a fastener; a second plate is connected to the second limiting plate, a second slot is formed in the second plate, and the second plate is locked to the rack by a fastener;

[0012] The element feeding assembly is close to the positioning disc and is used for mounting the element on the plastic shell in the positioning groove.

[0013] By adopting the above technical scheme, during production, the vibrating disc vibrates and feeds the plastic shell, so that the plastic shell is conveyed to the feeding channel in an orderly manner, and under the action of the gravitational component, the plastic shell is conveyed to the positioning groove along the feeding channel. With the rotation of the positioning disc, the element feeding assembly places the element in the plastic shell in the positioning groove, and the pre-installation of the capacitor is completed.

[0014] When different specifications of capacitors need to be pre-installed, the positioning disc can be detached from the bottom disc, and a positioning disc with a corresponding specification positioning groove is replaced. At the same time, the horizontal distance between the first limiting plate and the second limiting plate is adjusted to adapt to the size of the plastic shell, so that the plastic shell is better limited, the applicability of the capacitor pre-installation device is improved, and the production cost is effectively reduced.

[0015] Preferably, the positioning disc is detachably connected to the bottom disc by screwing or inserting, and the bottom disc is driven by a motor.

[0016] By adopting the above technical scheme, the motor can drive the bottom disc to rotate, thereby driving the positioning disc to rotate synchronously.

[0017] Preferably, the device further comprises a pressing assembly, the element feeding assembly and the pressing assembly are sequentially arranged along the rotation direction of the assembly turntable, and the pressing assembly is used for pressing the element into the plastic shell.

[0018] By adopting the above technical scheme, the pressing assembly further presses the element into the plastic shell, thereby improving the connection stability of the element and the plastic shell.

[0019] Preferably, the pressing assembly comprises a first air cylinder, a fixed block, a flap, a sliding seat, a sliding block and a pressing rod, the fixed block is arranged on the rack, the middle part of the flap is rotatably connected to the fixed block, one end of the first air cylinder is hingedly connected to one end of the flap, the other end of the flap is hingedly connected to the sliding block, the sliding seat is close to the positioning disc, and the sliding block is slidably connected to the sliding seat in the vertical direction; the pressing rod is vertically arranged on the sliding block and is used for pressing the element into the groove of the plastic shell.

[0020] By adopting the above technical scheme, when the piston rod of the first air cylinder is elongated upward, the flap will rotate, the end of the flap connected with the sliding block will move downward, the sliding block will move vertically along the sliding seat, at this time, the pressing rod will move synchronously and close to the positioning disc, and the element will be pressed tightly on the plastic shell.

[0021] Preferably, the device further comprises an ejection assembly and a pushing assembly, the ejection assembly is arranged on one side of the positioning disc and is used for conveying the pre-installed capacitors, and the pushing assembly is arranged on one side of the positioning disc and is used for pushing the plastic shell in the positioning groove to the ejection assembly.

[0022] By adopting the above technical scheme, after the capacitor is pre-installed, the pushing assembly pushes the plastic shell in the positioning groove to the ejection assembly, and the ejection assembly conveys the plastic shell, so as to facilitate subsequent collection and processing.

[0023] Preferably, the pushing assembly comprises a second cylinder and a pushing plate, the pushing plate is movable along the conveying direction of the discharging assembly, the second cylinder is connected with the pushing plate and is used for controlling the movement of the pushing plate.

[0024] By using the above technical scheme, the second cylinder controls the reciprocating movement of the pushing plate, so as to push the plastic shell in the positioning groove to the discharging assembly.

[0025] Preferably, the discharging assembly comprises a third limiting plate and a fourth limiting plate, the third limiting plate and the fourth limiting plate are arranged in parallel and form a discharging channel, and the distance between the third limiting plate and the fourth limiting plate is adjustably arranged.

[0026] By using the above technical scheme, the discharging channel can limit the plastic shell, so that the plastic shell can be conveyed in a straight line along the discharging channel. The distance between the third limiting plate and the fourth limiting plate is adjustably arranged, so as to adapt to plastic shells of different sizes and meet the production needs.

[0027] Preferably, the machine frame further comprises a third cylinder, a first pushing block, a fourth cylinder, a second pushing block and a pressing block, the machine frame is provided with a discharging channel, the discharging channel and the discharging channel form an included angle, the first pushing block is arranged at the end of the discharging channel and is used for pushing the plastic shell to the discharging channel, the third cylinder is connected with the first pushing block and is used for controlling the movement of the first pushing block; the discharging channel is used for arranging the plastic shell, the second pushing block is used for pushing out the arranged plastic shell, the fourth cylinder is connected with the second pushing block and is used for controlling the movement of the second pushing block; the pressing block is movably arranged in the discharging channel and is arranged opposite to the first pushing block, and the pressing block is used for abutting against the arranged plastic shell.

[0028] By using the above technical scheme, the third cylinder controls the movement of the first pushing block, and the first pushing block pushes the plastic shells at the end of the discharging channel into the discharging channel one by one, so that the plastic shells are arranged in rows. During the pushing process of the first pushing block, due to the light weight of the plastic shell, when the plastic shell is subjected to the pushing force, there is a reaction force between the plastic shells, which makes it difficult for the plastic shells to be close together. By adding the pressing block, the pressing block will generate an abutting force on the plastic shell away from the first pushing block, and the direction of the abutting force is opposite to the direction of the pushing force of the first pushing block. When the length of the plastic shells in the discharging channel reaches a certain length, the fourth cylinder controls the movement of the second pushing block, and the second pushing block pushes the arranged plastic shells into the collecting disc, thereby completing the neat stacking of the capacitors.

[0029] In summary, the present application has at least one of the following beneficial technical effects:

[0030] (1) By setting the feeding assembly and the assembly turntable, when different specifications of capacitors need to be pre-installed, the positioning disc can be disassembled from the bottom disc, and the positioning disc with the corresponding specification positioning groove is replaced. At the same time, the horizontal distance of the first limiting plate and the second limiting plate is adjusted to adapt to the size of the plastic shell, so as to better limit the plastic shell and improve the applicability of the capacitor pre-installation device.

[0031] (2) By setting the pressing assembly, the pressing assembly further presses the element in the plastic shell, improving the connection stability of the element and the plastic shell.

[0032] (3) By setting the discharging assembly and the pushing assembly, after the pre-installation of the capacitor is completed, the pushing assembly pushes the plastic shell in the positioning groove to the discharging assembly, and the discharging assembly transports the plastic shell for subsequent collection and processing. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a structural schematic diagram of the pre-installation device in the embodiment of the application;

[0034] Figure 2 is a structural schematic diagram of the pre-installation device omitting the vibration disc in the embodiment of the application;

[0035] Figure 3 is a structural schematic diagram of the pressing assembly in the embodiment of the application;

[0036] Figure 4 is a partial structural schematic diagram of the pre-installation device in the embodiment of the application.

[0037] The drawings show that: 1, rack; 2, vibration disc; 3, feeding assembly; 31, first limiting plate; 32, second limiting plate; 4, assembly turntable; 41, bottom disc; 42, positioning disc; 5, element feeding assembly; 6, positioning groove; 7, feeding channel; 8, first plate; 9, first bar hole; 10, second plate; 11, second bar hole; 12, pressing assembly; 121, first cylinder; 122, fixed block; 123, rocker; 124, sliding seat; 125, sliding block; 126, pressing rod; 13, discharging assembly; 131, third limiting plate; 132, fourth limiting plate; 14, pushing assembly; 141, second cylinder; 142, push plate; 15, discharging channel; 16, third cylinder; 17, first push block; 18, fourth cylinder; 19, second push block; 20, pressing block; 21, discharging channel. DETAILED DESCRIPTION

[0038] The technical solutions of the application will be described below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all. The application can be embodied in various forms, and is not limited to the embodiments described here.

[0039] In the description of the present application, the expressions "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. mean that the specific features, structures, materials or characteristics represented in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics represented can be combined in any appropriate manner in any one or more embodiments or examples.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing specific embodiments only and is not intended to be limiting of the application; the use herein of terms such as "comprise" and "have" and any variations thereof are intended to cover the inclusion of the elements specified but not the exclusion of other elements.

[0041] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mount", "connect", "connect", "fix" and other terms should be understood in a broad sense, for example, can be fixedly connected; can also be detachably connected; or integrated; or mechanically connected. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0042] Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. Those skilled in the art can combine and combine the different embodiments or examples represented in the present application and the features of the different embodiments or examples without conflict.

[0043] The embodiments of the present application disclose a film capacitor pre-installation device. Referring to Figure 1 and Figure 2 , the pre-installation device comprises a rack 1, a vibrating disc 2, a material conveying assembly 3, an assembly turntable 4 and a substrate feeding assembly 5. The assembly turntable 4 comprises a base disc 41 and a positioning disc 42, the base disc 41 is rotationally connected to the rack 1, the rotation shaft of the base disc 41 is in the vertical direction, the base disc 41 is driven by a motor, and the motor has a self-locking function. The positioning disc 42 is detachably connected to the base disc 41, and the positioning disc 42 is detachably connected to the base disc 41 by screwing or inserting. A plurality of positioning grooves 6 for positioning the plastic shell are formed on the outer circumferential side of the positioning disc 42, and each positioning groove 6 is arrayed in the circumferential direction.

[0044] The vibrating disc 2 is used for vibrating feeding of the plastic shell, and the feeding assembly 3 is used for conveying the plastic shell arranged in order to the positioning disc 42. The first limiting plate 31 and the second limiting plate 32 are parallel to each other and form the feeding channel 7 for guiding and limiting the plastic shell. The feeding channel 7 is communicated with the output end of the vibrating disc 2 and the positioning groove 6 at two ends respectively, and is arranged obliquely downward along the direction close to the positioning disc 42, that is, the end close to the vibrating disc 2 of the feeding channel 7 is higher than the end close to the positioning disc 42.

[0045] The spacing of the first limiting plate 31 and the second limiting plate 32 is adjustably arranged, the first plate 8 is fixedly connected to the first limiting plate 31, the first strip-shaped hole 9 is formed in the first plate 8, the first plate 8 is locked on the rack 1 by the fastener, and the fastener passes through the first strip-shaped hole 9 to fix the first plate 8 on the rack 1; the second plate 10 is connected to the second limiting plate 32, the second strip-shaped hole 11 is formed in the second plate 10, and the second plate 10 is also locked on the rack 1 by the fastener, and the fastener passes through the second strip-shaped hole 11 to fix the second plate 10 on the rack 1. In the embodiment, the fastener is a detachable object such as a fastening bolt or a fastening screw. The element feeding assembly 5 is close to the positioning disc 42 and is used for mounting the element on the plastic shell in the positioning groove 6; the element feeding assembly 5 belongs to the prior art and will not be described here.

[0046] In production, the vibrating disc 2 is used for vibrating feeding of the plastic shell, so that the plastic shell is conveyed in order to the feeding channel 7, and under the action of the gravity component, the plastic shell is conveyed to the positioning groove 6 along the feeding channel 7. With the rotation of the positioning disc 42, the element feeding assembly 5 places the element into the plastic shell in the positioning groove 6, and the pre-installation of the capacitor is completed.

[0047] When different specifications of capacitors need to be pre-installed, the positioning disc 42 can be detached from the bottom disc 41, and the positioning disc 42 with the corresponding specification positioning groove 6 is replaced. At the same time, the horizontal spacing of the first limiting plate 31 and the second limiting plate 32 is adjusted to adapt to the size of the plastic shell, so that the plastic shell is better limited, the applicability of the capacitor pre-installation device is improved, and the production cost is effectively reduced.

[0048] In combination Figure 3Specifically, the rack 1 is further provided with a pressing assembly 12, and the element loading assembly 5 and the pressing assembly 12 are sequentially arranged along the rotation direction of the assembling turntable 4. The pressing assembly 12 is used for pressing the element into the plastic shell. The pressing assembly 12 further presses the element into the plastic shell, so that the connection stability of the element and the plastic shell can be improved. The pressing assembly 12 comprises a first cylinder 121, a fixed block 122, a flap 123, a sliding seat 124, a sliding block 125 and a pressing rod 126. The fixed block 122 is fixedly connected to the rack 1. The middle part of the flap 123 is rotatably connected to the fixed block 122. One end of the first cylinder 121 is hingedly connected to one end of the flap 123. The other end of the flap 123 is hingedly connected to the sliding block 125. The sliding seat 124 is close to the positioning disc 42 and is fixed to the rack 1. The sliding block 125 is slidably connected to the sliding seat 124 in the vertical direction. The pressing rod 126 is located above the outer edge of the positioning disc 42. The pressing rod 126 is vertically arranged on the sliding block 125 and is used for pressing the element into the groove of the plastic shell.

[0049] When the piston rod of the first cylinder 121 is elongated upward, the flap 123 will rotate. The end of the flap 123 connected to the sliding block 125 will move downward. The sliding block 125 moves vertically along the sliding seat 124. At this time, the pressing rod 126 will move synchronously and close to the positioning disc 42, and press the element tightly on the plastic shell.

[0050] In combination Figure 4 In addition, the rack 1 is further provided with a discharging assembly 13 and a pushing assembly 14. The discharging assembly 13 is located on one side of the positioning disc 42 and is used for conveying the pre-installed capacitor. The pushing assembly 14 is located on one side of the positioning disc 42 and is used for pushing the plastic shell in the positioning groove 6 to the discharging assembly 13. The discharging assembly 13 comprises a third limiting plate 131 and a fourth limiting plate 132. The third limiting plate 131 and the fourth limiting plate 132 are arranged in parallel and form a discharging channel 15. The discharging channel 15 can limit the plastic shell, so that the plastic shell can be linearly conveyed along the discharging channel 15. The distance between the third limiting plate 131 and the fourth limiting plate 132 is also adjustably arranged, so as to adapt to plastic shells of different size specifications and meet the production needs. The pushing assembly 14 comprises a second cylinder 141 and a pushing plate 142. The pushing plate 142 moves in the conveying direction of the discharging assembly 13. The second cylinder 141 is connected with the pushing plate 142 and is used for controlling the movement of the pushing plate 142. The second cylinder 141 controls the reciprocating movement of the pushing plate 142, so as to realize the pushing of the plastic shell in the positioning groove 6 into the discharging channel 15, which is convenient for subsequent collection and processing.

[0051] The rack 1 is further provided with a discharging channel 21 near the end of the discharging channel 15, the discharging channel 21 is used for arranging the plastic shells; the discharging channel 21 and the discharging channel 15 are in the same horizontal plane and form a ninety-degree angle. A third cylinder 16, a first push block 17, a fourth cylinder 18 and a second push block 19 are installed near the discharging channel 21, the first push block 17 is movably arranged at the end of the discharging channel 15 and is used for pushing the plastic shells to the discharging channel 21. The third cylinder 16 is connected with the first push block 17 and is used for controlling the movement of the first push block 17. The movement direction of the second push block 19 is perpendicular to the movement direction of the first push block 17, the second push block 19 is used for pushing the arranged plastic shells, the fourth cylinder 18 is connected with the second push block 19 and is used for controlling the movement of the second push block 19. A pressing block 20 is movably arranged in the discharging channel 21, the pressing block 20 is movably arranged in the discharging channel 21 by an automatic push rod and is arranged opposite to the first push block 17, and the pressing block 20 is used for abutting against the arranged plastic shells.

[0052] The third cylinder 16 controls the movement of the first push block 17, the first push block 17 pushes the plastic shells at the end of the discharging channel 15 into the discharging channel 21 one by one, so that the plastic shells are arranged in a row. During the pushing process of the first push block 17, due to the light weight of the plastic shells, there is a reaction force between the plastic shells when they are subjected to the pushing force, so that the plastic shells are not easy to be arranged closely together. By adding the pressing block 20, the pressing block 20 generates an abutting force on the plastic shells away from the end of the first push block 17, the direction of the abutting force is opposite to the pushing direction of the first push block 17, so that the plastic shells are arranged closely together in a straight line. When the length of the plastic shells in the discharging channel 21 reaches a certain length, the fourth cylinder 18 controls the movement of the second push block 19, the second push block 19 pushes the arranged plastic shells into the collecting disc, and the capacitor is arranged neatly.

[0053] The implementation principle of the film capacitor pre-installation device is as follows: during production, the vibrating disc 2 vibrates and feeds the plastic shells, so that the plastic shells are neatly conveyed to the feeding channel 7, and the plastic shells are conveyed to the positioning groove 6 along the feeding channel 7 under the action of the gravitational component force. As the positioning disc 42 rotates, the element feeding assembly 5 places the element into the plastic shell in the positioning groove 6, and the pre-installation of the capacitor is completed.

[0054] Then the positioning disc 42 further rotates to the position where the pressing assembly 12 is located, the pressing assembly 12 further presses the element in the plastic shell, and the connection stability of the element and the plastic shell is improved. Then the positioning disc 42 further rotates to the position close to the pushing assembly 14, and the pushing assembly 14 pushes the plastic shell to the discharging assembly 13 for conveying.

[0055] Finally, the third cylinder 16 controls the first push block 17 to move, and the first push block 17 pushes the plastic shells at the end of the discharging channel 15 into the discharging channel 21 one by one, so that the plastic shells are arranged in a row. When the plastic shells in the discharging channel 21 reach a certain length, the fourth cylinder 18 controls the second push block 19 to move, and the second push block 19 pushes the whole row of plastic shells into the collecting tray, completing the neat stacking of the capacitors.

[0056] When capacitors of different specifications need to be pre-installed, the positioning disc 42 can be detached from the bottom disc 41, and the positioning disc 42 with the corresponding specification positioning groove 6 is replaced. At the same time, the horizontal distance between the first limiting plate 31 and the second limiting plate 32 is adjusted to adapt to the size of the plastic shell, so as to better limit the plastic shell, improve the applicability of the capacitor pre-installation device, and effectively reduce the production cost.

[0057] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A thin film capacitor pre-mounting apparatus, characterized by, The utility model relates to a plastic shell assembling device, including frame (1), vibrating disc (2), feed assembly (3), assembly carousel (4) and element feeding assembly (5), the assembly carousel (4) includes bottom disc (41) and positioning disc (42), the bottom disc (41) rotationally connected on frame (1), positioning disc (42) is detachably connected on bottom disc (41), positioning disc (42) is set up with a plurality of positioning groove (6) for plastic shell positioning on, each positioning groove (6) is arrayed along the circumferential direction; Vibrating disc (2) is used for vibrating and feeding plastic shell, feed assembly (3) is used for conveying plastic shell after arranging neatly to positioning disc (42), the first limiting plate (31) and the second limiting plate (32) of feed assembly (3), the first limiting plate (31) and the second limiting plate (32) are parallel to each other, and form feeding channel (7), both ends of feeding channel (7) are communicated with the output end of vibrating disc (2) and positioning groove (6) respectively, feeding channel (7) is inclined downward along the direction close to positioning disc (42) and sets up; The spacing of the first limiting plate (31) and the second limiting plate (32) is adjustably arranged, the first plate (8) is connected to the first limiting plate (31), a first slot (9) is formed in the first plate (8), and the first plate (8) is locked to the frame (1) by a fastener, the second plate (10) is connected to the second limiting plate (32), a second slot (11) is formed in the second plate (10), and the second plate (10) is locked to the frame (1) by a fastener, The element feeding assembly (5) is close to the positioning disc (42), and is used for mounting the element on the plastic shell in the positioning groove (6).

2. A thin film capacitor pre-mounting device according to claim 1, wherein The positioning disc (42) is detachably connected to the bottom disc (41) by screwing or inserting, and the bottom disc (41) is driven by a motor.

3. A thin film capacitor pre-mounting device according to claim 1, wherein It also includes a pressing assembly (12), the element feeding assembly (5) and the pressing assembly (12) are sequentially arranged along the rotation direction of the assembly carousel (4), and the pressing assembly (12) is used for pressing the element into the plastic shell.

4. A thin film capacitor pre-mounting device according to claim 3, wherein The pressing assembly (12) includes a first cylinder (121), a fixed block (122), a flap (123), a sliding seat (124), a sliding block (125), and a pressing rod (126), the fixed block (122) is arranged on the frame (1), the middle part of the flap (123) is rotationally connected to the fixed block (122), one end of the first cylinder (121) is hingedly connected to one end of the flap (123), the other end of the flap (123) is hingedly connected to the sliding block (125), the sliding seat (124) is close to the positioning disc (42), and the sliding block (125) is slidably connected to the sliding seat (124) in the vertical direction, and the pressing rod (126) is vertically arranged on the sliding block (125) and used for pressing the element into the groove of the plastic shell.

5. A thin film capacitor pre-mounting device according to claim 3, wherein The discharging assembly (13) is arranged on one side of the positioning disc (42) and is used for conveying the pre-assembled capacitor, and the pushing assembly (14) is arranged on one side of the positioning disc (42) and is used for pushing the plastic shell in the positioning groove (6) to the discharging assembly (13).

6. A thin film capacitor pre-mounting device according to claim 5, wherein The pushing assembly (14) comprises a second air cylinder (141) and a pushing plate (142), the pushing plate (142) moves along the conveying direction of the discharging assembly (13), and the second air cylinder (141) is connected with the pushing plate (142) and is used for controlling the movement of the pushing plate (142).

7. A thin film capacitor pre-mounting device according to claim 5, wherein The discharging assembly (13) comprises a third limiting plate (131) and a fourth limiting plate (132), the third limiting plate (131) and the fourth limiting plate (132) are arranged in parallel and form a discharging channel (15), and the distance between the third limiting plate (131) and the fourth limiting plate (132) is adjustably arranged.

8. A thin film capacitor pre-mounting device according to claim 7, wherein Further comprising a third air cylinder (16), a first pushing block (17), a fourth air cylinder (18), a second pushing block (19) and a pressing block (20), the rack (1) is provided with a discharging channel (21), the discharging channel (21) and the discharging channel (15) form an included angle, the first pushing block (17) is arranged at the end of the discharging channel (15) and is used for pushing the plastic shell to the discharging channel (21), the third air cylinder (16) is connected with the first pushing block (17) and is used for controlling the movement of the first pushing block (17); the discharging channel (21) is used for arranging the plastic shell, the second pushing block (19) is used for pushing the arranged plastic shell, the fourth air cylinder (18) is connected with the second pushing block (19) and is used for controlling the movement of the second pushing block (19); the pressing block (20) is movably arranged in the discharging channel (21) and is arranged opposite to the first pushing block (17), and the pressing block (20) is used for abutting against the arranged plastic shell.

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