CN219612165U - Auxiliary jig for welding capacitor and contact plate in production of electric brush plate - Google Patents

Abstract

The utility model provides an auxiliary jig for welding a capacitor and a contact plate in production of a brush plate, which comprises a jig body, wherein an arc-shaped groove capable of clamping the jig body on the side wall of the brush plate is arranged at the lower end of one side of the jig body; the end face of the jig body at the inner side of the arc-shaped groove is provided with a pressing plate, and the bottom end of the pressing plate is provided with two pressing grooves which can clamp pins of the capacitor and press the pins on the contact plate. According to the utility model, the groove which can be clamped on the side wall of the electric brush plate is arranged on the lower end face of the jig body to fix the jig body on the side wall, the clamping groove which can press the pins of the capacitor is fixed on the end face of the jig body to press the pins on the contact plate, so that a worker does not need to hold the capacitor by holding forceps by hand when carrying out welding operation of the pins and the contact plate, and the welding device has a simple structure and is practical.

Description

Auxiliary jig for welding capacitor and contact plate in production of electric brush plate

Technical Field

The utility model relates to the technical field of welding jigs, in particular to an auxiliary jig for welding a capacitor and a contact plate in the production of a brush plate.

Background

When the brush plate is manufactured, a worker needs to weld the capacitor on the contact plate fixed on the inner bottom surface of the brush plate, and then connect with other functional elements through the contact plate. When a worker welds the capacitor on the contact plate, the worker clamps the capacitor by holding the tweezers with one hand, and the electrode of the welding machine is operated by the other hand to weld the capacitor and the contact plate together. Because the volume of the capacitor used on the brush plate is very small, the length is usually only about 10mm, the diameter of the pin is only about 1mm, the requirement on the proficiency of workers is very high, and the phenomenon that the pin of the capacitor and the contact plate deviate often occurs in actual work, so that the welding state is poor.

Disclosure of Invention

In view of the above, the present utility model provides an auxiliary fixture for welding a capacitor and a contact plate in the production of a brush plate, wherein the fixture presses pins of the capacitor on the contact plate through a pressing plate to keep the pins in a static state, so that an operator can concentrate on welding the pins and the contact plate, and does not need to pay more attention to clamp the capacitor with tweezers and check whether the pins of the capacitor deviate from the contact plate.

For this purpose, the utility model provides the following technical scheme: an auxiliary jig for welding a capacitor and a contact plate in the production of a brush plate comprises a jig body, wherein an arc-shaped groove capable of clamping the jig body on the side wall of the brush plate is arranged at the lower end of one side of the jig body; the end face of the jig body at the inner side of the arc-shaped groove is provided with a pressing plate, and the bottom end of the pressing plate is provided with a pressing groove which can clamp and press pins of the capacitor on the contact plate.

Further, an inverted step is arranged at the lower part of the jig body at one side of the pressing plate, and the elevation of the step is an arc-shaped surface with the middle recessed towards the other side of the jig body; the top surface of the step is provided with a tensioning block made of rubber by a screw, one surface of the tensioning block opposite to the vertical surface is an arc surface, the arc-shaped groove is formed naturally after being semi-surrounded by the arc surface, the vertical surface and the top surface, and the width of the arc-shaped groove is smaller than the thickness of the side wall of the electric brush plate by 0.2-0.5mm.

Further, the indent is V-shaped.

Further, two pressing plates are fixed on the end face of the jig body in a mirror image mode through screws, and the bottom end of each pressing plate is provided with one pressing groove; two parallel strip holes for connecting screws are transversely formed in the upper portion of the pressing plate.

The utility model has the following advantages:

1. according to the utility model, the groove which can be clamped on the side wall of the electric brush plate is arranged on the lower end face of the jig body to fix the jig body on the side wall, the clamping groove which can press the pins of the capacitor is fixed on the end face of the jig body to press the pins on the contact plate, so that a worker does not need to hold the capacitor by holding forceps by hand when carrying out welding operation of the pins and the contact plate, and the welding jig has the advantages of simple structure and strong practicability.

2. The tensioning block made of rubber can provide larger transverse extrusion force, so that the jig body and the side wall of the brush plate can be clamped effectively, and the jig body can be taken down from the side wall after welding conveniently.

3. The V-shaped pressing groove can fix pins with various diameters, and has wide application range.

4. The strip holes which are transversely arranged and used for installing the pressing plates can adjust the slot spacing of the two pressing slots in a certain range, so that the application range of the jig is enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a bottom view of fig. 2.

Fig. 4 is a front view of the jig body of fig. 2.

Fig. 5 is a schematic view of the present utility model in a use state.

Fig. 6 is a top view of fig. 5.

In the figure: 1. a pressing plate; 1.1, pressing a groove; 1.2, strip holes; 2. a jig body; 2.1, top surface; 2.2, elevation; 3. a tensioning block; 3.1, cambered surface; 4. an arc-shaped groove; 5. a capacitor; 5.1, pins; 6. a brush plate; 6.1, side walls; 7. and a contact plate.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The utility model discloses an auxiliary jig for welding a capacitor and a contact plate in the production of a brush plate, which comprises a jig body 2 made of plastic, wherein as shown in figures 2, 3 and 4, an inverted step is arranged at the left lower part of the jig body 2, and the elevation 2.2 of the step is an arc surface with a middle recessed to the right side; a tensioning block 3 made of rubber is mounted on the top surface 2.1 of the step by means of screws. As shown in fig. 3, the right end face of the tensioning block 3 is a cambered surface 3.1, the cambered surface 3.1 and the vertical surface 2.2 are oppositely arranged and then semi-surrounded with the top surface 2.1 to form an arc-shaped groove 4, and the width of the arc-shaped groove 4 is smaller than the thickness of 0.2-0.5mm of the side wall 6.1 of the brush plate 6, so that the jig body 2 is in a clamping state when being clamped with the side wall 6.1; the left end face of the jig body 2 is fixedly provided with a pressing plate 1 by using a screw, the bottom surface of the lower end of the pressing plate 1 is provided with two pressing grooves 1.1 with downward openings, and the two pressing grooves 1.1 clamp and press pins 5.1 of a capacitor 5 on a contact plate 7 so as to enable the pins 5.1 to keep a static state in subsequent welding.

As shown in fig. 5 and 6, when in use, the jig body 2 is clamped on the side wall 6.1 of the brush plate 6 through the arc-shaped groove 4, and the jig body 2 is fixed on the side wall 6.1 through transverse extrusion force by using elasticity of rubber; the pin 5.1 of the capacitor 5 is pressed against the contact plate 7 fixed on the bottom surface of the brush plate 6 by two pressing grooves 1.1 at the lower end of the pressing plate 1, and then the pin 5.1 and the contact plate 7 are welded together by operating a welding machine. After the welding is finished, the jig body is pulled up from the side wall, and then the jig can be taken down.

As a preferred embodiment, as shown in fig. 1, the pressing groove 1.1 is V-shaped, and the V-shaped pressing groove 1.1 can limit the left-right movement of the pins 5.1 with various diameters, so that the capacitor 5 is pressed on the contact plate 7 more stably.

As a preferred embodiment, as shown in fig. 1 and 3, two pressing plates 1 are provided, two pressing plates 1 are fixed on the left end face of the jig body 2 in a mirror image manner by using screws, and a pressing groove 1.1 is arranged at the bottom end of one pressing plate 1; two parallel strip holes 1.2 for connecting screws are transversely formed in the upper portion of the pressing plate 1, when the distance between the pins 5.1 of the capacitor 5 to be welded is changed, the screws can be unscrewed, then the pressing plate 1 is moved left and right, the groove distance between the two pressing grooves 1.1 is adjusted according to the distance between the two pins 5.1, and then the screws are screwed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (4)

1. An auxiliary jig for welding a capacitor and a contact plate in production of a brush plate is characterized in that: the electric brush fixture comprises a fixture body (2), wherein an arc-shaped groove (4) capable of clamping the fixture body (2) on the side wall (6.1) of the electric brush plate (6) is arranged at the lower end of one side of the fixture body (2); the clamp is characterized in that a pressing plate (1) is arranged on the end face of the jig body (2) at the inner side of the arc-shaped groove (4), and a pressing groove (1.1) capable of clamping and pressing pins (5.1) of the capacitor (5) on the contact plate (7) is arranged at the bottom end of the pressing plate (1).

2. The auxiliary jig for welding a capacitor to a contact plate in the production of a brush plate according to claim 1, wherein: an inverted step is arranged at the lower part of the jig body (2) at one side of the pressing plate (1), and the vertical surface (2.2) of the step is an arc surface with the middle recessed towards the other side of the jig body (2); the top surface (2.1) of step is equipped with a tight piece (3) that rises that makes with rubber with the screw, the tight piece (3) that rises with the opposite one side of facade (2.2) is cambered surface (3.1), arc slot (4) are by cambered surface (3.1), facade (2.2) and three face half encirclement back natural formation of top surface (2.1), the width of arc slot (4) is less than thickness 0.2-0.5mm of brush board (6.1) lateral wall.

3. The auxiliary jig for welding a capacitor to a contact plate in the production of a brush plate according to claim 1, wherein: the pressing groove (1.1) is V-shaped.

4. The auxiliary jig for welding a capacitor to a contact plate in the production of a brush plate according to claim 1, wherein: two pressing plates (1) are arranged, the two pressing plates (1) are fixed on the end face of the jig body (2) in a mirror image mode through screws, and one pressing groove (1.1) is formed in the bottom end of each pressing plate (1); two parallel strip holes (1.2) for connecting screws are transversely arranged at the upper part of the pressing plate (1).