An inverter housing assembly device

Abstract

The present invention discloses an inverter housing assembly device, belonging to the technical field of inverters. An inverter housing assembly device includes an operating table and an inverter body. A bracket, a conveyor belt, and two cylinders are arranged on the top of the operating table. The inverter body is on the conveyor belt, and an assembly fixture is arranged on the cylinder. The present invention clamps the uneven inverter through the assembly fixture, avoiding the misalignment between the automatic screw gun and the upper housing of the inverter caused by improper fixation, improving the assembly efficiency of the inverter housing. The electric cylinder drives the pressing plate to press down, making the upper housing of the inverter close to the inverter body, and then the automatic screw gun performs screwing through the wire nailing mechanism, thus completing the assembly work of the inverter. There is no need for manual screwing, reducing the labor intensity of workers and improving the assembly efficiency of the inverter.

Description

Technical Field

[0001] The present invention relates to the technical field of inverters, and particularly to an inverter housing assembly device. Background Art

[0002] An inverter is a converter that converts direct current electrical energy into fixed-frequency and fixed-voltage or frequency-modulated and voltage-regulated alternating current. It consists of an inverter bridge, control logic, and a filter circuit. It is widely applicable to electrical appliances such as air conditioners, home theaters, electric grinders, and power tools. Abroad, due to the high penetration rate of cars, when going out to work or travel, an inverter can be used to connect to a battery to drive electrical appliances and various tools to work.

[0003] After retrieval, a Chinese patent with the publication number CN111266836A discloses an inverter assembly mechanism, which includes a substrate, a first load-bearing plate, a second load-bearing plate, a first slide rail-slider assembly, a second slide rail-slider assembly, a top-against assembly, a first linear motion part, a second linear motion part, a return spring, and a push plate. The first load-bearing plate is arranged directly above the substrate and undergoes directional sliding under the combined action of the first linear motion part and the first slide rail-slider assembly. The second load-bearing plate is arranged directly above the first load-bearing plate and undergoes directional sliding with the assistance of the second slide rail-slider assembly. The return spring is connected between the first load-bearing plate and the second load-bearing plate. The top-against assembly is driven by the second linear motion part and is fixed to the second load-bearing plate. The push plate is fixed to the first load-bearing plate and passes through the second load-bearing plate. During actual assembly, only one operator is required, and the manual positioning time is saved; in addition, it also ensures that the inverter is always in a compressed state during assembly. However, there are still the following problems in this patent. The inverter assembly mechanism still requires manual operation to insert and tighten the connection screws, and manual screwing still has the problem of low assembly efficiency of the inverter housing. Moreover, most inverter housings are equipped with heat dissipation plates. Due to the uneven characteristics of the heat dissipation plates, inverters with heat dissipation plates are not conducive to fixing, and improper fixing will cause inconvenience to subsequent assembly work. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies of the prior art and propose an inverter housing assembly device.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An inverter housing assembly device includes an operating table and an inverter body. A bracket, a conveyor belt, and two cylinders are arranged on the top of the operating table. The inverter body is on the conveyor belt, and an assembly fixture is arranged on the cylinder.

[0007] Preferably, the cylinders are symmetrically installed on both sides of the top of the operating table, the conveyor belt is arranged in the center of the top of the operating table, the operating table is adapted to the bracket, heat sinks are symmetrically installed on both sides of the inverter body, and an upper inverter housing is arranged on the top of the inverter body; Workers place the upper inverter housing on the top of the inverter body to be assembled, and then the conveyor belt conveys the inverter body to the operating table for assembly.

[0008] Preferably, a positioning component and a wire nailing component are arranged on the bracket. The positioning component includes an electric cylinder and a pressing plate, and reserved holes are symmetrically formed in the pressing plate. The wire nailing component includes a wire nailing mechanism and an automatic screw gun; The upper inverter housing of the inverter body is assembled by the automatic screw gun of the wire nailing component, without manual operation.

[0009] Preferably, the wire nailing mechanism is installed in the center of the top of the bracket, the electric cylinder is installed at the bottom of the bracket, the electric cylinder is directly below the wire nailing mechanism, the automatic screw gun is installed on the wire nailing mechanism, a telescopic mechanism is arranged between the automatic screw gun and the wire nailing mechanism, the automatic screw gun penetrates through the bracket, and the automatic screw gun is arranged in one-to-one correspondence with the reserved holes and is adapted to the reserved holes; The pressing plate is driven by the electric cylinder to press down, so that the upper inverter housing is closely attached to the inverter body, and then the wire nailing mechanism makes the automatic screw gun carry out wire nailing, and the assembly work of the inverter can be completed.

[0010] Preferably, the assembly fixture includes a housing and a plurality of round rods; The assembly fixture clamps and fixes the inverter body to facilitate the wire nailing work.

[0011] Preferably, a motor equipped with a single-chip microcomputer is installed on the front side of the housing. A cavity with one side open is formed inside the housing. Rectangular grooves are symmetrically formed in the front and rear inner walls of the cavity. A rectangular block and a threaded rod are arranged inside the rectangular groove. A first bevel gear is connected to the bottom of the rectangular block. A second rectangular groove is arranged on the bottom inner wall of the cavity. A rotating shaft is arranged inside the second rectangular groove. Second bevel gears are symmetrically connected to the rotating shaft. An arc-shaped plate and a fixing plate are arranged inside the cavity. A cylinder is connected to one side of the arc-shaped plate. A spring is arranged inside the cylinder; The arc-shaped plate and the fixing plate are correspondingly arranged, and the arc-shaped holes between the arc-shaped plate and the fixing plate form a plurality of circular holes corresponding to the round rods.

[0012] Preferably, a rectangular sheet is connected to one side of the round rod; The rectangular sheet drives the round rod to move synchronously after receiving pressure.

[0013] Preferably, one end of the spring is connected to the inner wall of the cylinder, and the spring is adapted to the cylinder. Two arc-shaped plates are symmetrically arranged up and down. The front and rear sides of the arc-shaped plates are respectively connected to the front and rear inner walls of the cavity. The round rod is in clearance fit with the cavity. The round rods are arranged in one-to-one correspondence with the springs. The round rod is arranged on the arc-shaped plate and is in sliding fit with the arc-shaped plate. The end of the round rod away from the rectangular piece passes through the cylinder and is in sliding fit with the cylinder, and the round rod is connected to the spring. The end of the round rod with the rectangular piece passes through the cavity and is outside the housing. Two fixing plates are symmetrically arranged up and down. The fixing plates are above the round rod and are adapted to the round rod. Rectangular blocks are symmetrically connected to both sides of the fixing plates; the arc-shaped plates are fixedly connected inside the cavity. The fixing plates are in frictional contact with the round rod. When the rectangular piece is subjected to pressure, it drives the round rod to move. The round rod slides in the arc-shaped plate and the cylinder and compresses the spring, so that the rectangular piece clamps objects of different specifications.

[0014] Preferably, the top end of the threaded rod is connected to the top inner wall of the rectangular groove through a bearing. The rectangular block is in threaded fit with the threaded rod. The rectangular block is adapted to the rectangular groove. One end of the rotating shaft is connected to the inner wall of one side of the second rectangular groove through a bearing. The other end of the rotating shaft passes through the housing and is connected to the motor through a coupling. The first bevel gear is meshed with the second bevel gear; when the motor is started, it drives the second bevel gear, the first bevel gear and the threaded rod to rotate, so that the rectangular block and the fixing plate move, and the fixing plate presses the round rod, so as to maintain the telescopic state of the round rod and keep the rectangular piece clamping the heat sink.

[0015] Preferably, the output end of the cylinder is connected to the side of the housing away from the round rod. The assembly fixture corresponds to the position of the heat sink. The rectangular piece is in contact with and adapted to the heat sink. The pressing plate is adapted to the upper shell of the inverter; the assembly fixture clamps the inverter body. At this time, the rectangular piece is adjusted and clamped according to the shape of the heat sink, so as to fix the inverter body, avoid the misalignment of the automatic screwdriver and the upper shell of the inverter caused by improper fixing, and improve the assembly efficiency of the inverter shell.

[0016] Compared with the prior art, the present invention provides an inverter shell assembly device, which has the following beneficial effects:

[0017] (1) The present invention clamps the uneven inverter through the assembly fixture, avoids the misalignment of the automatic screwdriver and the upper shell of the inverter caused by improper fixing, and improves the assembly efficiency of the inverter shell.

[0018] (2) In the present invention, an electric cylinder drives a pressing plate to press downwards, making the upper shell of the inverter closely adhere to the inverter body. Then, a screwing mechanism enables an automatic screwdriver to perform screwing, thus completing the assembly work of the inverter. There is no need for manual screwing, reducing the labor intensity of workers and improving the assembly efficiency of the inverter. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the overall structure of the operating table of the present invention.

[0022] Figure 3 It is a schematic diagram of the structure when the pressing plate of the present invention presses down.

[0023] Figure 4 It is a schematic diagram of the structure of the pressing plate of the present invention.

[0024] Figure 5 It is a partial sectional view of the assembly fixture of the present invention.

[0025] Figure 6 It is a partial sectional view of the assembly fixture of the present invention.

[0026] Figure 7 It is an exploded view of the assembly fixture of the present invention.

[0027] Figure 8 It is a schematic diagram of the structure of the assembly fixture of the present invention.

[0028] The reference numerals in the drawings respectively represent: 1, operating table; 2, bracket; 3, conveyor belt; 4, cylinder; 5, screwing mechanism; 6, automatic screwdriver; 7, inverter body; 8, assembly fixture; 9, heat sink; 10, electric cylinder; 11, pressing plate; 12, upper shell of the inverter; 13, reserved hole; 14, outer shell; 15, motor; 16, round rod; 17, rectangular piece; 18, arc-shaped plate; 19, cylinder; 20, spring; 21, fixing plate; 22, rectangular block; 23, threaded rod; 24, first bevel gear; 25, second bevel gear; 26, rotating shaft; 27, rectangular groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0031] Please refer to Figure 1-8 , in an embodiment of the present invention, an inverter housing assembly device includes an operation table 1 and an inverter body 7. A bracket 2, a conveyor belt 3, and two cylinders 4 are provided on the top of the operation table 1. The inverter body 7 is located on the conveyor belt 3, and an assembly fixture 8 is provided on the cylinder 4.

[0032] Among them, referring to Figure 1 , the cylinders 4 are symmetrically installed on both sides of the top of the operation table 1. The conveyor belt 3 is arranged in the center of the top of the operation table 1. The operation table 1 is adapted to the bracket 2. Heat sinks 9 are symmetrically installed on both sides of the inverter body 7, and an upper inverter housing 12 is provided on the top of the inverter body 7; the worker places the upper inverter housing 12 on the top of the inverter body 7 that needs to be assembled, and then the conveyor belt conveys the inverter body 7 to the operation table 1 for assembly.

[0033] Among them, referring to Figures 2-3 , a positioning component and a wire nailing component are provided on the bracket 2. The positioning component includes an electric cylinder 10 and a pressing plate 11. Reserved holes 13 are symmetrically opened on the pressing plate 11. The wire nailing component includes a wire nailing mechanism 5 and an automatic screw gun 6; the upper inverter housing 12 of the inverter body 7 is assembled by the automatic screw gun 6 of the wire nailing component, without manual operation.

[0034] Among them, referring to Figures 3-5 , the wire nailing mechanism 5 is installed in the center of the top of the bracket 2, the electric cylinder 10 is installed at the bottom of the bracket 2, the electric cylinder 10 is directly below the wire nailing mechanism 5, the automatic screw gun 6 is installed on the wire nailing mechanism 5, a telescopic mechanism is provided between the automatic screw gun 6 and the wire nailing mechanism 5, the automatic screw gun 6 penetrates through the bracket 2, the automatic screw gun 6 is arranged in one-to-one correspondence with the reserved holes 13, and the automatic screw gun 6 is adapted to the reserved holes 13; the pressing plate 11 is driven by the electric cylinder 10 to press down, so that the upper inverter housing 12 is closely attached to the inverter body 7, and then the wire nailing mechanism 5 makes the automatic screw gun 6 perform wire nailing, and the assembly work of the inverter can be completed.

[0035] Among them, with reference to Figures 5-6 , the assembly fixture 8 includes a housing 14 and a plurality of round rods 16; the assembly fixture 8 clamps and fixes the inverter body 7 to facilitate the wire nailing operation.

[0036] Among them, with reference to Figures 5-8 , a motor 15 equipped with a single-chip microcomputer is installed on the front side of the housing 14. A cavity with one side open is provided inside the housing 14. Rectangular grooves 27 are symmetrically provided on the front and rear inner walls of the cavity. A rectangular block 22 and a threaded rod 23 are arranged inside the rectangular groove 27. A first bevel gear 24 is connected to the bottom of the rectangular block 22. A second rectangular groove is provided on the bottom inner wall of the cavity. A rotating shaft 26 is arranged inside the second rectangular groove. Second bevel gears 25 are symmetrically connected to the rotating shaft 26. An arc-shaped plate 18 and a fixing plate 21 are arranged inside the cavity. A cylinder 19 is connected to one side of the arc-shaped plate 18. A spring 20 is arranged inside the cylinder 19; the arc-shaped plate 18 and the fixing plate 21 are correspondingly arranged. The arc-shaped holes between the arc-shaped plate 18 and the fixing plate 21 form a plurality of circular holes corresponding to the round rods 16.

[0037] Among them, with reference to Figures 5-6 , a rectangular piece 17 is connected to one side of the round rod 16; when the rectangular piece 17 receives pressure, it drives the round rod 16 to move synchronously.

[0038] Among them, with reference to Figures 5-8 , one end of the spring 20 is connected to the inner wall of the cylinder 19, and the spring 20 is adapted to the cylinder 19. Two arc-shaped plates 18 are symmetrically arranged up and down. The front and rear sides of the arc-shaped plate 18 are respectively connected to the front and rear inner walls of the cavity. The round rod 16 is in clearance fit with the cavity. The round rods 16 are arranged in one-to-one correspondence with the springs 20. The round rod 16 is arranged on the arc-shaped plate 18. The round rod 16 is in sliding fit with the arc-shaped plate 18. The end of the round rod 16 away from the rectangular piece 17 penetrates through the cylinder 19 and is in sliding fit with the cylinder 19, and the round rod 16 is connected to the spring 20. The end of the round rod 16 provided with the rectangular piece 17 penetrates through the cavity and is outside the housing 14. Two fixing plates 21 are symmetrically arranged up and down. The fixing plate 21 is above the round rod 16, and the fixing plate 21 is adapted to the round rod 16. Rectangular blocks 22 are symmetrically connected to both sides of the fixing plate 21; the arc-shaped plate 18 is fixedly connected inside the cavity. The fixing plate 21 is in frictional contact with the round rod 16. When the rectangular piece 17 receives pressure, it drives the round rod 16 to move. The round rod 16 slides in the arc-shaped plate 18 and the cylinder 19 and compresses the spring 20, so that the rectangular piece 17 clamps objects of different specifications.

[0039] Among them, with reference to Figures 5-8, the top end of the threaded rod 23 is connected to the top inner wall of the rectangular groove 27 through a bearing. The rectangular block 22 is connected to the threaded rod 23 through a threaded fit. The rectangular block 22 is adapted to the rectangular groove 27. One end of the rotating shaft 26 is connected to the inner wall of one side of the second rectangular groove through a bearing. The other end of the rotating shaft 26 penetrates through the housing 14 and is connected to the motor 15 through a coupling. The first bevel gear 24 is meshed with the second bevel gear 25. When the motor 15 is started, it drives the second bevel gear 25, the first bevel gear 24 and the threaded rod 23 to rotate, so that the rectangular block 22 and the fixing plate 21 move, and the fixing plate 21 presses the round rod 16, thereby maintaining the telescopic state of the round rod 16 and keeping the rectangular piece 17 clamping the heat sink 9.

[0040] Among them, referring to Figures 1-3 , the output end of the air cylinder 4 is connected to one side of the housing 14 away from the round rod 16. The assembly fixture 8 corresponds to the position of the heat sink 9. The rectangular piece 17 contacts and fits with the heat sink 9. The pressing plate 11 fits with the upper shell 12 of the inverter. The assembly fixture 8 clamps the inverter body 7. At this time, the rectangular piece 17 is adjusted and clamped according to the shape of the heat sink 9, so as to fix the inverter body 7, avoid the misalignment of the automatic screwdriver 6 and the upper shell 12 of the inverter due to improper fixing, and improve the assembly efficiency of the inverter housing.

[0041] The working principle of the present invention is as follows: During use, the conveyor belt conveys the inverter body 7 to the operating table 1 for assembly. The air cylinder 4 drives the assembly fixture 8 to push to the rated distance in contact with the inverter body 7. At this time, the rectangular piece 17 at one end of the round rod 16 contacts the heat sinks 9 on both sides of the inverter body 7 and has a certain pressure. The motor 15 is started and drives the second bevel gear 25, the first bevel gear 24 and the threaded rod 23 to rotate, so that the rectangular block 22 and the fixing plate 21 move a rated distance, and the fixing plate 21 presses the round rod 16, thereby maintaining the telescopic state of the round rod 16 and keeping the rectangular piece 17 in a clamped state with the heat sink 9. The assembly fixture 8 is adapted to objects of different specifications and clamps them, avoiding the misalignment of the automatic screwdriver 6 and the upper shell 12 of the inverter due to improper fixing, and improving the assembly efficiency of the inverter housing. The electric cylinder 10 drives the pressing plate 11 to press down, so that the upper shell 12 of the inverter is closely attached to the inverter body 7. Then, the automatic screwdriver 6 is used to drive screws through the screw mechanism 5, and the assembly work of the inverter can be completed. There is no need for manual screwing, reducing the labor intensity of workers and improving the assembly efficiency of the inverter.

[0042] The above is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. An inverter housing assembly device, characterized in that, It includes an operating table (1) and an inverter body (7). A bracket (2), a conveyor belt (3) and two cylinders (4) are arranged on the top of the operating table (1). The inverter body (7) is on the conveyor belt (3), and an assembly fixture (8) is arranged on the cylinder (4); The cylinders (4) are symmetrically installed on both sides of the top of the operating table (1). The conveyor belt (3) is arranged in the center of the top of the operating table (1). The operating table (1) is adapted to the bracket (2). Heat sinks (9) are symmetrically installed on both sides of the inverter body (7). An upper shell (12) of the inverter is arranged on the top of the inverter body (7); A positioning component and a wire nailing component are arranged on the bracket (2). The positioning component includes an electric cylinder (10) and a pressing plate (11). Reserved holes (13) are symmetrically formed in the pressing plate (11). The wire nailing component includes a wire nailing mechanism (5) and an automatic screwdriver (6); The assembly fixture (8) includes a housing (14) and a plurality of round rods (16); One end of the round rod (16) is connected with a rectangular piece (17). A motor (15) equipped with a single-chip microcomputer is installed on the front side of the housing (14). A cavity with one side open is formed inside the housing (14). Rectangular grooves (27) are symmetrically formed in the front and rear inner walls of the cavity. A rectangular block (22) and a threaded rod (23) are arranged inside the rectangular groove (27). A first bevel gear (24) is connected to the bottom of the rectangular block (22). A second rectangular groove is arranged on the bottom inner wall of the cavity. A rotating shaft (26) is arranged inside the second rectangular groove. Second bevel gears (25) are symmetrically connected to the rotating shaft (26). An arc-shaped plate (18) and a fixing plate (21) are arranged inside the cavity. One side of the arc-shaped plate (18) is connected with a cylinder (19). A spring (20) is arranged inside the cylinder (19); One end of the spring (20) is connected to the inner wall of the cylinder (19), and the spring (20) is adapted to the cylinder (19). Two arc-shaped plates (18) are symmetrically arranged up and down. The front and rear sides of the arc-shaped plate (18) are respectively connected to the front and rear inner walls of the cavity. The round rod (16) is in clearance fit with the cavity. The round rods (16) are arranged in one-to-one correspondence with the springs (20). The round rod (16) is arranged on the arc-shaped plate (18). The round rod (16) is in sliding fit with the arc-shaped plate (18). The end of the round rod (16) far from the rectangular piece (17) penetrates through the cylinder (19) and is in sliding fit with the cylinder (19), and the round rod (16) is connected with the spring (20). The end of the round rod (16) with the rectangular piece (17) penetrates through the cavity and is outside the housing (14). Two fixing plates (21) are symmetrically arranged up and down. The fixing plates (21) are above the round rod (16), and the fixing plates (21) are adapted to the round rod (16). The rectangular blocks (22) are symmetrically connected to both sides of the fixing plate (21); The top end of the threaded rod (23) is connected to the top inner wall of the rectangular groove (27) through a bearing. The rectangular block (22) is connected to the threaded rod (23) through a threaded fit. The rectangular block (22) is adapted to the rectangular groove (27). One end of the rotating shaft (26) is connected to the inner wall of one side of the second rectangular groove through a bearing. The other end of the rotating shaft (26) penetrates through the housing (14) and is connected to the motor (15) through a coupling. The first bevel gear (24) is meshed with the second bevel gear (25).

2. The inverter housing assembly device according to claim 1, wherein The nail wire mechanism (5) is installed at the center of the top of the bracket (2). The electric cylinder (10) is installed at the bottom of the bracket (2). The electric cylinder (10) is directly below the nail wire mechanism (5). The automatic screwdriver (6) is installed on the nail wire mechanism (5). A telescopic mechanism is arranged between the automatic screwdriver (6) and the nail wire mechanism (5). The automatic screwdriver (6) penetrates through the bracket (2). The automatic screwdriver (6) is arranged in one-to-one correspondence with the reserved hole (13) and is adapted to the reserved hole (13).

3. An inverter housing assembly device according to claim 1, characterized in that, The output end of the cylinder (4) is connected to the side of the housing (14) away from the round rod (16). The assembly fixture (8) corresponds to the position of the heat sink (9). The rectangular sheet (17) contacts and fits with the heat sink (9). The pressing plate (11) is adapted to the upper housing (12) of the inverter.

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