Positioning tool for assisting welding of plates for frequency converter

Abstract

The utility model relates to a positioning tool for welding plates for an auxiliary frequency converter, which belongs to the technical field of frequency converter manufacture and comprises a substrate, a first auxiliary frequency converter plate and two second auxiliary frequency converter plates, and a positioning welding mechanism is arranged on the outer wall of the substrate. According to the positioning tool for welding the plates for the auxiliary frequency converter, a first auxiliary frequency converter plate is preliminarily positioned through a transverse supporting positioning seat and a longitudinal supporting positioning seat, and the first auxiliary frequency converter plate is mounted and positioned again under the action of a mounting positioning column, a positioning ring, a first connecting rod and a second connecting rod; the positioning accuracy of the first auxiliary frequency converter plate is improved, the two sides of the first auxiliary frequency converter plate are clamped under the action of the mounting plate, the adjusting rods and the positioning clamping plates, the welding stability of the second auxiliary frequency converter plate and the base plate is improved, and therefore the welding and mounting efficiency and quality of the plates for the auxiliary frequency converter are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to frequency converter manufacturing technical field, concretely is the positioning tool for the plate piece welding of auxiliary frequency converter. BACKGROUND

[0002] Auxiliary frequency converter plate piece refers to the circuit board or component installed inside the auxiliary frequency converter, used to realize specific functions. These plate pieces usually undertake key roles such as signal processing, power conversion, communication control, protection monitoring, and are indispensable parts of the normal work of the frequency converter. They are matched with other parts of the frequency converter through precise welding or connection technology, to ensure that the frequency converter can efficiently and stably regulate motor speed, meet various industrial automation control needs. In short, the auxiliary frequency converter plate piece is an integrated module responsible for specific electrical functions in the frequency converter, and is of great significance to the performance and reliability of the frequency converter.

[0003] At present, when welding and installing the auxiliary frequency converter plate piece, either the multiple plate piece structures are welded on the substrate separately, which can reduce the welding errors, but the welding efficiency is low due to the need for separate welding of the plate piece, or the multiple plate piece welding connections are welded with the substrate, but in the process of welding with the substrate, the welding deviation problem is prone to occur due to the occlusion of the plate piece line of sight, affecting the qualified rate of the finished product, so the positioning tool for the plate piece welding of auxiliary frequency converter is proposed. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a positioning tool for the plate piece welding of auxiliary frequency converter, which has the advantages of convenient positioning and welding of the plate piece, improved plate piece welding efficiency, and solves the problems of low welding efficiency and easy welding deviation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the positioning tool for the plate piece welding of auxiliary frequency converter, including the substrate, the first auxiliary frequency converter plate piece and the second auxiliary frequency converter plate piece, the outer wall of the substrate is equipped with the positioning and welding mechanism;

[0006] The positioning welding mechanism comprises four lateral support positioning bases fixedly installed on the front outer wall of the substrate, two longitudinal support positioning bases fixedly installed on the front outer wall of the substrate, a mounting positioning column fixedly installed on the front outer wall of the first auxiliary frequency converter plate and the lateral support positioning base, two mounting positioning columns fixedly installed on the front outer wall of the first auxiliary frequency converter plate, a positioning ring slidably connected to the outer circumferential wall of the mounting positioning column, two first connecting rods fixedly installed between three adjacent positioning rings, a second connecting rod fixedly installed between the middle two positioning rings, two mounting plates fixedly installed on the front outer wall of the substrate, an adjusting rod threadedly connected to the interior of the mounting plate, a positioning clamp plate rotatably installed on the side of the adjusting rod close to the first auxiliary frequency converter plate, and four welding positioning bases fixedly installed on the side of the first auxiliary frequency converter plate close to the substrate.

[0007] Further, the second auxiliary frequency converter plate is welded between two adjacent welding positioning bases, and the length between the opposite side outer walls of the two adjacent welding positioning bases is the same as the length of the second auxiliary frequency converter plate.

[0008] Further, the lateral support positioning base and the longitudinal support positioning base are in L shape, and the first auxiliary frequency converter plate is slidably installed between the four lateral support positioning bases and the two longitudinal support positioning bases.

[0009] Further, the number of the positioning rings is six, the side of the positioning ring close to the substrate is attached to the front outer wall of the lateral support positioning base and the first auxiliary frequency converter plate respectively, and the first connecting rod and the second connecting rod are attached to the front outer wall of the first auxiliary frequency converter plate.

[0010] Further, the interior of the mounting plate is provided with a threaded hole, the outer circumferential wall of the adjusting rod is provided with a threaded groove, and the adjusting rod is threadedly connected to the interior of the threaded hole and is appropriately sized.

[0011] Further, the front outer wall and the back outer wall of the first auxiliary frequency converter plate are provided with two clamping positioning grooves respectively, the positioning clamp plate is in U shape, and the positioning clamp plate is slidably installed in the interior of the clamping positioning groove and is appropriately sized.

[0012] Further, the second auxiliary frequency converter plate is installed on the side of the first auxiliary frequency converter plate close to the substrate, and the side of the second auxiliary frequency converter plate away from the first auxiliary frequency converter plate is welded to the front outer wall of the substrate.

[0013] Further, the front outer wall of the substrate is fixedly installed with four positioning connecting bases, the side of the first auxiliary frequency converter plate close to the substrate is fixedly installed with four positioning inserting rods, and the positioning inserting rod is slidably connected to the interior of the positioning connecting base.

[0014] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0015] The positioning tool for assisting the welding of the plate for the auxiliary frequency converter preliminarily positions the first auxiliary frequency converter plate through the transverse supporting positioning seat and the longitudinal supporting positioning seat, repositions the first auxiliary frequency converter plate through the installation of the positioning column, the positioning ring, the first connecting rod and the second connecting rod, improves the positioning accuracy of the first auxiliary frequency converter plate, clamps the two sides of the first auxiliary frequency converter plate through the installation of the plate, the adjusting rod and the positioning clamping plate, improves the stability of the welding of the second auxiliary frequency converter plate and the base plate, and thus improves the efficiency and quality of the welding and installation of the plate for the auxiliary frequency converter. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the present application;

[0017] Fig. 2 It is a structural schematic view of the bottom part of the present application;

[0018] Fig. 3 It is a structural schematic view of the longitudinal supporting positioning seat of the present application;

[0019] Fig. 4 It is a structural schematic view of the first auxiliary frequency converter plate of the present application.

[0020] In the drawing:

[0021] 1, base plate; 2, first auxiliary frequency converter plate; 3, second auxiliary frequency converter plate; 4, transverse supporting positioning seat; 5, longitudinal supporting positioning seat; 6, installation positioning column; 7, positioning ring; 8, first connecting rod; 9, second connecting rod; 10, installation plate; 11, adjusting rod; 12, positioning clamping plate; 13, welding positioning seat; 14, positioning plug; 15, positioning connecting seat. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] Embodiment one, please refer to Figs. 1 to 4The positioning tool for assisting the welding of the plate of the auxiliary frequency converter in the embodiment comprises a base plate 1, a first auxiliary frequency converter plate 2, and two second auxiliary frequency converter plates 3.

[0024] The second auxiliary frequency converter plate 3 is installed on the side of the first auxiliary frequency converter plate 2 close to the base plate 1, and the side of the second auxiliary frequency converter plate 3 away from the first auxiliary frequency converter plate 2 is welded to the front side outer wall of the base plate 1.

[0025] The positioning tool comprises four horizontal support positioning seats 4 fixedly installed on the front side outer wall of the base plate 1, and two longitudinal support positioning seats 5 fixedly installed on the front side outer wall of the base plate 1, the horizontal support positioning seats 4 and the longitudinal support positioning seats 5 are both in the shape of L, and the first auxiliary frequency converter plate 2 is slidingly installed between the four horizontal support positioning seats 4 and the two longitudinal support positioning seats 5.

[0026] The horizontal support positioning seats 4 and the front side outer wall of the first auxiliary frequency converter plate 2 are both fixedly installed with mounting positioning columns 6, the number of the mounting positioning columns 6 installed on the front side outer wall of the first auxiliary frequency converter plate 2 is two, the outer peripheral wall of the mounting positioning column 6 is slidingly connected with a positioning ring 7, two first connecting rods 8 are fixedly installed between three adjacent positioning rings 7, a second connecting rod 9 is fixedly installed between the middle two positioning rings 7, the number of the positioning rings 7 is six, the side of the positioning ring 7 close to the base plate 1 is respectively attached to the front side outer wall of the horizontal support positioning seat 4 and the first auxiliary frequency converter plate 2, and the first connecting rod 8 and the second connecting rod 9 are both attached to the front side outer wall of the first auxiliary frequency converter plate 2.

[0027] The front side outer wall of the base plate 1 is fixedly installed with two mounting plates 10, the inside of the mounting plate 10 is threadedly connected with an adjusting rod 11, the inside of the mounting plate 10 is provided with a threaded hole, the outer peripheral wall of the adjusting rod 11 is provided with a threaded groove, the adjusting rod 11 is threadedly connected in the inside of the threaded hole and is of appropriate size, a positioning clamp plate 12 is rotationally installed on the side of the adjusting rod 11 close to the first auxiliary frequency converter plate 2, the front side outer wall and the back side outer wall of the first auxiliary frequency converter plate 2 are both provided with two clamping positioning grooves, the positioning clamp plate 12 is in the shape of U, the positioning clamp plate 12 is slidingly installed in the inside of the clamping positioning groove and is of appropriate size, four welding positioning seats 13 are fixedly installed on the side of the first auxiliary frequency converter plate 2 close to the base plate 1, the second auxiliary frequency converter plate 3 is welded between two adjacent welding positioning seats 13, and the length between the opposite side outer walls of the two adjacent welding positioning seats 13 is the same as the length of the second auxiliary frequency converter plate 3.

[0028] In the embodiment, the positioning ring 7 has a certain friction, and will not move up and down at will after being slidingly connected to the outer peripheral wall of the mounting positioning column 6.

[0029] In this embodiment, when rotating the adjusting rod 11, the worker needs to hold the positioning clamping plate 12 with hands to prevent the positioning clamping plate 12 from rotating the adjusting angle when moving.

[0030] In the second embodiment, the positioning plug rod 14 and the positioning connecting seat 15 are arranged on the basis of the first embodiment, the base plate 1 and the first auxiliary frequency converter plate 2 are positioned and plugged through the action of the positioning plug rod 14 and the positioning connecting seat 15, and the positioning accuracy of the base plate 1 and the first auxiliary frequency converter plate 2 is improved.

[0031] The working principle of the above-mentioned embodiments is as follows:

[0032] Firstly, the second auxiliary frequency converter plate 3 is welded between the two welding positioning seats 13, then the first auxiliary frequency converter plate 2 is movably installed between the transverse supporting positioning seat 4 and the longitudinal supporting positioning seat 5, at this time, the second auxiliary frequency converter plate 3 will contact the base plate 1, then the plurality of positioning rings 7 are slidably connected to the outer wall of the plurality of mounting positioning columns 6 to limit the first auxiliary frequency converter plate 2, finally, the worker holds the positioning clamping plate 12 with hands, then slides the adjusting rod 11 by a length, and then rotates the adjusting rod 11, at this time, the adjusting rod 11 will drive the positioning clamping plate 12 to move towards the first auxiliary frequency converter plate 2 and clamp on the outer wall of the first auxiliary frequency converter plate 2, then the second auxiliary frequency converter plate 3 and the base plate 1 can be positioned and welded.

[0033] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the phrase "comprising a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning tool for assisting the welding of a plate for an inverter, comprising a base plate (1), a first inverter plate (2) and two second inverter plates (3), characterized in that: The outer wall of the substrate (1) is provided with a positioning welding mechanism; The positioning welding mechanism comprises four transverse support positioning seats (4) fixedly installed on the front outer wall of the substrate (1), two longitudinal support positioning seats (5) fixedly installed on the front outer wall of the substrate (1), mounting positioning columns (6) fixedly installed on the front outer wall of the transverse support positioning seat (4) and the first auxiliary frequency converter plate (2), two mounting positioning columns (6) installed on the front outer wall of the first auxiliary frequency converter plate (2), a positioning ring (7) slidably connected to the outer peripheral wall of the mounting positioning column (6), two first connecting rods (8) fixedly installed between three adjacent positioning rings (7), a second connecting rod (9) fixedly installed between the middle two positioning rings (7), two mounting plates (10) fixedly installed on the front outer wall of the substrate (1), an adjusting rod (11) threadedly connected in the mounting plate (10), a positioning clamp plate (12) rotatably installed on the side of the adjusting rod (11) close to the first auxiliary frequency converter plate (2), and four welding positioning seats (13) fixedly installed on the side of the first auxiliary frequency converter plate (2) close to the substrate (1).

2. The positioning tool for assisting welding of a plate for a frequency converter according to claim 1, characterized in that: The second auxiliary frequency converter plate (3) is welded between two adjacent welding positioning seats (13), and the length between the opposite outer walls of the two adjacent welding positioning seats (13) is the same as the length of the second auxiliary frequency converter plate (3).

3. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized in that: The transverse support positioning seat (4) and the longitudinal support positioning seat (5) are both in L shape, and the first auxiliary frequency converter plate (2) is slidably installed between the four transverse support positioning seats (4) and the two longitudinal support positioning seats (5).

4. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized by: The number of the positioning ring (7) is six, the positioning ring (7) is close to the front outer wall of the transverse support positioning seat (4) and the first auxiliary frequency converter plate (2) on the side close to the substrate (1), and the first connecting rod (8) and the second connecting rod (9) are both close to the front outer wall of the first auxiliary frequency converter plate (2).

5. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized by: The inside of the mounting plate (10) is provided with a threaded hole, the outer peripheral wall of the adjusting rod (11) is provided with a threaded groove, and the adjusting rod (11) is threadedly connected in the inside of the threaded hole and is appropriately sized.

6. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized by: The front outer wall and the back outer wall of the first auxiliary frequency converter plate (2) are both provided with two clamping positioning grooves, the positioning clamp plate (12) is in U shape, and the positioning clamp plate (12) is slidably installed in the inside of the clamping positioning groove and is appropriately sized.

7. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized by: The second auxiliary frequency converter plate (3) is installed on the side of the first auxiliary frequency converter plate (2) close to the substrate (1), and the side of the second auxiliary frequency converter plate (3) away from the first auxiliary frequency converter plate (2) is welded to the front outer wall of the substrate (1).

8. The positioning tool for assisting welding of a plate for a frequency inverter according to claim 1, characterized by: The front side outer wall of the base plate (1) is fixedly installed with four positioning connecting seats (15), the first auxiliary frequency converter plate (2) is fixedly installed with four positioning inserting rods (14) on the side close to the base plate (1), and the positioning inserting rods (14) are slidably connected in the positioning connecting seats (15).

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