Frequency converter assembling equipment

Abstract

The utility model discloses frequency converter assembling equipment, which comprises a case, wallboards connected to two sides of the case, a top plate connected to the two wallboards, a lead screw transmission mechanism connected to the two wallboards, a sliding seat connected to the two wallboards through the lead screw transmission mechanism, an air cylinder installed at the bottom of the sliding seat, a box body connected to the telescopic end of the air cylinder, and a motor connected to the box body. Four rotating shafts are rotationally connected to the bottom surface of the box body, the lower ends of the rotating shafts penetrate out of the box body, screwdriver bodies are installed at the penetrating-out ends of the rotating shafts, a driving mechanism for driving the four rotating shafts to rotate at the same time is arranged in the box body, a bearing table is arranged on the machine box, a positioning groove is formed in the bearing table, a containing groove is formed in the positioning groove, and the box body can be driven to do linear motion through a lead screw displacement mechanism. And the workpiece reaches the position over the bearing table. All the rotating shafts are controlled to rotate through the driving mechanism, so that all the screws are tightened through the screwdriver, the assembly of the control panel and the front cover plate is completed, the screws do not need to be manually screwed one by one, and the assembly efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, in particular to frequency converter assembly equipment. Background Art

[0002] The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control the AC motor by changing the working power frequency of the motor. Figure 6 The figure shows a schematic diagram of the inverter, which includes a housing, a front cover installed on the front of the housing, and a control panel installed on the front cover. During assembly, the worker first inserts the control panel into the hole of the front cover, and then manually screws the screwdriver to screw the screws one by one to fix the control panel on the cover, which results in low assembly efficiency. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a frequency converter assembly device to solve the problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A frequency converter assembly device comprises a chassis, wall panels are connected to both sides of the chassis, top panels are connected to the two wall panels, screw transmission mechanisms are connected to the two wall panels, and a slide is connected via the screw transmission mechanism, a cylinder is installed at the bottom of the slide, a telescopic end of the cylinder is connected to a box body, four rotating shafts are rotatably connected to the bottom surface of the box body, the lower ends of the rotating shafts pass through the box body, and screwdrivers are installed at the passing ends, a driving mechanism for driving the four rotating shafts to rotate simultaneously is arranged in the box body, a bearing platform is arranged on the chassis, a positioning groove is arranged on the bearing platform, and a accommodating groove is arranged in the positioning groove, and the box body can be driven to make linear motion through the screw displacement mechanism and reach directly above the bearing platform.

[0006] Preferably, the screw transmission mechanism includes a screw rotatably connected to the two wall panels, a first guide rod connected to the two wall panels and located on both sides of the screw, a first motor installed on one of the wall panels and transmission connected to one end of the screw, a sliding seat threadedly connected to the screw, and the sliding seat is slidably connected to the first guide rod.

[0007] Preferably, the driving mechanism includes a second motor installed in the box body, a transmission shaft connected to the second motor through a coupling, a main gear connected to the transmission shaft, and a sub-gear connected to each rotating shaft, and the main gear is meshed with all the sub-gears.

[0008] Preferably, position sensors are installed on the same side of the box body and the carrying platform, and when the position sensor on the box body is aligned with the position sensor on the carrying platform, the box body is aligned with the carrying platform.

[0009] Preferably, a controller is provided in the chassis, and the position sensor, the cylinder, the first motor, and the second motor are all electrically connected to the controller.

[0010] Preferably, a lifting lug is connected to the cylinder barrel of the cylinder, a second guide rod is slidably connected to the lifting lug, and the second guide rod is connected to the top of the box body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Place the front cover of the inverter in the positioning groove, place the control panel on the front cover, and let the lower part of the control panel pass through the front cover and extend into the receiving groove to prevent the control panel from contacting the bottom of the positioning groove and reduce damage to the control panel.

[0013] After the edge of the control panel is pressed against the front cover, the screws are inserted into the screw holes of the control panel and the front cover one by one, and then the position of the box body is adjusted through the screw displacement mechanism so that the screwdriver is aligned with the screw and the screw hole, and then the cylinder is controlled to extend to drive the box body to descend, and then the driving mechanism is started, and the rotation of all the shafts is controlled by the driving mechanism, so that all the screws are tightened by the screwdriver, and the assembly of the control panel and the front cover is completed. There is no need to manually tighten the screws one by one, thereby improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the assembly;

[0016] Figure 3 for Figure 2 A magnified image of point A;

[0017] Figure 4 Schematic diagram of main gear and auxiliary gear;

[0018] Figure 5 is a schematic diagram of the carrier platform;

[0019] Figure 6 is a schematic diagram of the frequency converter;

[0020] In the figure: 1-chassis, 2-slide, 3-cylinder, 4-box, 5-rotating shaft, 6-screwdriver, 7-carrying platform, 8-positioning groove, 9-accommodating groove, 10-screw, 11-first guide rod, 12-first motor, 13-second motor, 14-main gear, 15-secondary gear, 16-position sensor, 17-second guide rod, 18-housing, 19-front cover, 20-control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] See also Figure 1 A frequency converter assembly device includes a chassis 1, wall panels are connected to both sides of the chassis 1, top panels are connected to the two wall panels, screw drive mechanisms are connected to the two wall panels, and a slide 2 is connected to the two wall panels through the screw drive mechanism. Specifically, the screw drive mechanism includes a screw 10 rotatably connected to the two wall panels, a first guide rod 11 connected to the two wall panels and located on both sides of the screw, a first motor 12 installed on one of the wall panels and drivingly connected to one end of the screw, the slide 2 is threadedly connected to the screw 10, and the slide 2 is slidably connected to the first guide rod 11. The first motor 12 is started to drive the screw 10 to rotate, and the screw 10 drives the slide 2 to move on the first guide rod 11 during the rotation of the screw.

[0024] like Figure 3 , 4 As shown, a cylinder 3 is installed at the bottom of the slide 2, and a box body 4 is connected to the telescopic end of the cylinder 3. Four rotating shafts 5 are rotatably connected to the bottom surface of the box body 4. The lower end of the rotating shaft 5 passes through the box body 4, and a screwdriver 6 is installed at the passing end. A driving mechanism for driving the four rotating shafts 5 to rotate simultaneously is provided in the box body 4. The driving mechanism includes a second motor 13 installed in the box body, a transmission shaft connected to the second motor through a coupling, a main gear 14 connected to the transmission shaft, and a sub-gear 15 connected to each rotating shaft. The main gear 14 is meshed with all the sub-gears 15. Start the second motor 13 to drive the transmission shaft to rotate. The transmission shaft drives all the rotating shafts 5 to rotate through the cooperation of the main gear 14 and the sub-gear 15, thereby driving all the screwdrivers 6 to rotate.

[0025] like Figure 5 As shown, the case 1 is provided with a carrier 7, the carrier 7 is provided with a positioning groove 8, the positioning groove 8 is provided with a receiving groove 9, the positioning groove 8 is used to place the front cover, and the receiving groove 9 is reserved for the control panel to prevent damage during installation. Position sensors 16 are installed on the same side of the box body 4 and the carrier 7, and the box body 4 can be driven to move linearly through the screw displacement mechanism. When the position sensor on the box body 4 is aligned with the position sensor on the carrier 7, the box body 4 reaches the top of the carrier 7, and the position of the screwdriver 6 is just aligned with the screw hole position on the control panel 20.

[0026] The chassis 1 is provided with a controller, and the position sensor 16, the cylinder 3, the first motor 12, and the second motor 13 are all electrically connected to the controller. A control program is written in the controller to control the various components to work in an orderly manner.

[0027] The working principle of this embodiment is as follows: the front cover plate 19 of the frequency converter is placed in the positioning groove 8, and the control panel 20 is placed on the front cover plate 19. The lower part of the control panel 20 passes through the front cover plate 19 and extends into the accommodating groove 9 to prevent the control panel 20 from contacting the bottom of the positioning groove 8, thereby reducing the damage to the control panel 20. After the edge of the control panel 20 is pressed on the front cover plate 19, the screws are inserted into the screw holes of the control panel 20 and the front cover plate 19 one by one, and then the position of the box body 4 is adjusted by the screw displacement mechanism to align the screwdriver 6 with the screw and the screw hole, and then the cylinder 3 is controlled to extend to drive the box body 4 to descend, and then the driving mechanism is started, and all the rotating shafts 5 are controlled to rotate by the driving mechanism, so that all the screws are tightened by the screwdriver 6, and the assembly of the control panel 20 and the front cover plate 19 is completed, and there is no need to manually tighten the screws one by one, thereby improving the assembly efficiency.

[0028] Example 2

[0029] The difference between this embodiment and embodiment 1 is that a lifting lug is connected to the cylinder barrel of the cylinder 3, a second guide rod 17 is slidably connected to the lifting lug, and the second guide rod 17 is connected to the top of the box body 4. The second guide rod 17 can improve the stability of the box body when it is lifted.

[0030] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A frequency converter assembly device, characterized in that: The invention comprises a chassis (1), wherein both sides of the chassis (1) are connected with wall panels, the two wall panels are connected with top panels, the two wall panels are connected with screw transmission mechanisms, and a slide seat (2) is connected with the screw transmission mechanism, a cylinder (3) is installed at the bottom of the slide seat (2), the telescopic end of the cylinder (3) is connected with a box body (4), the bottom surface of the box body (4) is rotatably connected with four rotating shafts (5), the lower ends of the rotating shafts (5) pass through the box body (4), and the passing ends are installed with screwdrivers (6), a driving mechanism for driving the four rotating shafts (5) to rotate simultaneously is arranged in the box body (4), a bearing platform (7) is arranged on the chassis (1), a positioning groove (8) is arranged on the bearing platform (7), and a receiving groove (9) is arranged in the positioning groove (8), and the box body (4) can be driven to make linear motion through the screw displacement mechanism and reach the top of the bearing platform (7).

2. The frequency converter assembly equipment according to claim 1, characterized in that: The screw transmission mechanism comprises a screw (10) rotatably connected to the two wall panels, a first guide rod (11) connected to the two wall panels and located on both sides of the screw, a first motor (12) installed on one of the wall panels and transmission-connected to one end of the screw, a slide seat (2) threadedly connected to the screw (10), and the slide seat (2) is slidably connected to the first guide rod (11).

3. The frequency converter assembly equipment according to claim 2, characterized in that: The driving mechanism comprises a second motor (13) installed in the box body, a transmission shaft connected to the second motor through a coupling, a main gear (14) connected to the transmission shaft, and a sub-gear (15) connected to each rotating shaft, wherein the main gear (14) is meshed with all the sub-gears (15).

4. The frequency converter assembly equipment according to claim 3, characterized in that: Position sensors (16) are installed on the same side of the box body (4) and the bearing platform (7). When the position sensor on the box body (4) is aligned with the position sensor on the bearing platform (7), the box body (4) is aligned with the bearing platform (7).

5. The frequency converter assembly equipment according to claim 4, characterized in that: A controller is provided in the chassis (1); the position sensor (16), the cylinder (3), the first motor (12), and the second motor (13) are all electrically connected to the controller.

6. A frequency converter assembly device according to any one of claims 1 to 5, characterized in that: A lifting lug is connected to the cylinder barrel of the air cylinder (3), a second guide rod (17) is slidably connected to the lifting lug, and the second guide rod (17) is connected to the top of the box body (4).

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