CN216066234U - Spot welding and bending tool of spring assembly for angular displacement sensor - Google Patents
Spot welding and bending tool of spring assembly for angular displacement sensor Download PDFInfo
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- CN216066234U CN216066234U CN202122336424.3U CN202122336424U CN216066234U CN 216066234 U CN216066234 U CN 216066234U CN 202122336424 U CN202122336424 U CN 202122336424U CN 216066234 U CN216066234 U CN 216066234U
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Abstract
The utility model discloses a spot welding and bending tool of a spring assembly for an angular displacement sensor, wherein the spring assembly comprises an electric brush wire and a spring which are connected with each other, a mounting hole is arranged on the spring, the spot welding and bending tool comprises a tool base body, the surface of the tool base body comprises a first plane, a second plane and a third plane, the first plane is provided with a first sinking groove and a first strip-shaped groove which are communicated with each other, and a first fixing piece is arranged at a position beside the first sinking groove; the second plane is adjacent to the third plane, the included angle between the second plane and the third plane is the same as the bending angle of the brush wires, a second strip-shaped groove is formed in the second plane, a second sinking groove is formed in the third plane, the second sinking groove and the second strip-shaped groove are communicated with each other, and a second fixing piece is arranged on the third plane and beside the second sinking groove. The utility model ensures the spot welding quality and the bending quality, improves the processing quality and the processing efficiency, and finally improves the resistance stability and the service life of the spring component.
Description
Technical Field
The utility model relates to a processing tool for a spring assembly for an angular displacement sensor, in particular to a spot welding and bending tool for the spring assembly for the angular displacement sensor.
Background
With the development of science and technology, an angular displacement sensor is widely applied, is used as an angle and position detection mechanism to realize the conversion from mechanical motion to electrical signals, is an important position feedback component, and is widely applied to complete machines, such as industries, ships, aviation and aerospace and the like, precision instruments and meters and the like which have high technical indexes and various severe test requirements on high precision and long service life. Angular displacement sensors require long life and also require greater reliability under complex environmental conditions.
The basic principle of the angular displacement sensor is that the brush wire on the spring assembly slides on the winding or the resistor body in a contact manner, so that the resistance value between the fixed electrode and the spring assembly is changed, a changed voltage signal is generated, and the purpose of detecting the rotating angle is achieved. The spring assembly inside the angular displacement sensor is an important voltage detection component, and needs to have good conductivity and elasticity, so the manufacturing process requirement of the spring assembly is high.
The reed component is a key component of the displacement sensor, and adopts different structural forms according to the characteristics and the structural requirements of different products. The most common structure of the reed component is shown in figures 1-3, and comprises an electric brush wire 2 and a reed 3, wherein the part of the electric brush wire 2, which is positioned within the reed 3, is connected with the reed 3 in a spot welding manner, the joint of the electric brush wire 2 and the reed 3 is bent at a certain angle, the end part of the electric brush wire, which is far away from the reed 3, is provided with a hook 1, and the reed 3 is provided with two mounting holes 4. The number of the brush wires 2 and the number of the mounting holes 4 are two, and other numbers can be adopted according to actual needs.
The traditional processing mode of the reed assembly is as follows:
the reed 3 is a metal sheet with two positioning holes in an initial state, is made of beryllium bronze and needs to be tempered, so that the elasticity and the deformation resistance of the reed 3 are improved; the electric brush wire 2 is made of a six-element alloy wire which is a metal wire with the diameter of 0.1mm and has high wear resistance and conductivity, the six-element alloy wire is cut into the same length, 10 six-element alloy wires are arranged side by side and covered with a zinc white copper strip to form the electric brush wire 2, the electric brush wire 2 and the reed 3 are welded and fixed in a spot welding mode, then the electric brush wire 2 is bent for a certain angle, a hook 1 is formed on the electric brush wire 2, a protruding part corresponding to the hook 1 is used for being in contact with a resistor or a winding, finally, soldering tin is welded in the middle position of the electric brush wire 2, the six-element alloy wire of the electric brush wire 2 is fixed, the consistency of the six-element alloy wires is ensured, and redundant six-element alloy wires are cut off to obtain the reed component shown in figures 1-3.
Among the above-mentioned traditional processing mode, at the in-process that carries out spot welding to brush silk 2 and reed 3, and when bending the operation to brush silk 2, there is not the frock that corresponds to carry out accurate injecing to the position of brush silk 2 and reed 3, mainly relies on operating personnel's experience during the operation, has that the preparation speed is slow, inefficiency, the qualification rate is low, the uniformity is poor, the position is not right, unable problem of location, finally probably leads to the resistance stability of reed subassembly poor, defects such as life-span low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a spot welding and bending tool for a spring assembly for an angular displacement sensor, which is used for high-precision spot welding between a spring and a brush wire and high-precision bending of the brush wire.
The utility model realizes the purpose through the following technical scheme:
a spot welding and bending tool of a spring assembly for an angular displacement sensor comprises a brush wire and a reed which are connected with each other, the reed is provided with a mounting hole, the spot welding and bending tool of the reed component for the angular displacement sensor comprises a tool base body, the surface of the tool base body comprises a first plane, a second plane and a third plane, the first plane is provided with a first sunken groove used for placing the part, located inside the reed, of the electric brush wire and a first strip-shaped groove used for placing the part, located outside the reed, of the electric brush wire, the first sinking groove and the first strip-shaped groove are communicated with each other, have the same depth and the same thickness as the electric brush wire, a first fixing hole corresponding to the mounting hole of the reed is formed in the first plane beside the first sinking groove, and a first fixing piece for fixing the reed is mounted in the first fixing hole; the second plane with the third plane is adjacent and contained angle between the two with the angle of bending of electric brush silk is the same, be equipped with on the second plane and be used for placing in the electric brush silk lie in the second bar recess of part beyond the reed, be equipped with on the third plane and be used for placing in the electric brush silk lie in the second heavy groove of part within the reed, the second heavy groove with second bar recess intercommunication each other and the degree of depth the same and with the thickness of electric brush silk is the same, first bar recess with the width of second bar recess all with the width of electric brush silk is the same, lie in on the third plane the position next door of second heavy groove be equipped with the second mounting hole that the mounting hole of reed corresponds and this second mounting hole installs and is used for fixing the second mounting of reed.
Preferably, the brush wire, the first strip-shaped groove and the second strip-shaped groove are parallel to each other according to actual needs, and in order to achieve more accurate positioning of the reed, the mounting hole of the reed, the first fixing hole, the first fixing member, the second fixing hole and the second fixing member are all two.
Preferably, in order to facilitate spot welding and bending operations, the second plane and the first plane are adjacent planes, the first plane and the third plane are perpendicular to each other, and both of an opposite surface of the first plane and an opposite surface of the third plane are flat.
Preferably, according to actual needs, the first fixing piece and the second fixing piece are both bolts or bolts, and if the bolts are used, the first fixing hole and the second fixing hole are both screw holes.
The utility model has the beneficial effects that:
according to the utility model, the strip-shaped grooves, the sunken grooves, the fixing holes and the fixing pieces which are in one-to-one correspondence with the electric brush wires and the reeds are arranged on the tool base body, so that the electric brush wires and the reeds can be accurately arranged in the corresponding strip-shaped grooves and the sunken grooves and can be accurately limited, the reeds can be accurately fixed on the tool base body through the fixing pieces, and the electric brush wires and the reeds cannot move when spot welding operation between the electric brush wires and the reeds and bending operation of the electric brush wires are carried out, thereby ensuring the spot welding quality and the bending quality, being beneficial to realizing automatic processing on the basis, accelerating the operation speed, improving the processing quality and the processing efficiency, having high product qualification rate and good consistency, being capable of effectively positioning, and finally improving the resistance stability and the service life of the reed assembly.
Drawings
FIG. 1 is a perspective view of a spring assembly according to the present invention, shown from a top perspective;
fig. 2 is a second perspective view of the spring assembly of the present invention, shown from a bottom perspective;
FIG. 3 is a front view of the spring assembly of the present invention;
FIG. 4 is a perspective view of one of the spot welding and bending tools of the spring assembly for an angular displacement sensor according to the present invention;
fig. 5 is a second perspective view of a spot welding and bending tool of the spring assembly for an angular displacement sensor according to the present invention, which is different from the view of fig. 1;
FIG. 6 is a perspective view of one embodiment of a spot welding and bending tool for a spring assembly for an angular displacement sensor according to the present invention, the view being the same as that of FIG. 4;
fig. 7 is a second perspective view of the spring assembly for an angular displacement sensor according to the present invention, which is applied to a spot welding and bending tool, and has the same view angle as fig. 5.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-3, the spring assembly for an angular displacement sensor according to the present invention includes an electric brush wire 2 and a spring 3 connected to each other, the spring 3 is provided with a mounting hole 4, and the specific structure is described in the background of the present specification; as shown in fig. 1-7, the spot welding and bending fixture for a spring assembly for an angular displacement sensor according to the present invention includes a fixture base body (not labeled in the drawings), the surface of the fixture base body includes a first plane 7, a second plane 9 and a third plane 13, the first plane 7 is provided with a first sinking groove 6 for placing a portion of the brush wire 2 inside the spring 3 and a first bar-shaped groove 5 for placing a portion of the brush wire 2 outside the spring 3, the first sinking groove 6 and the first bar-shaped groove 5 are communicated with each other and have the same depth and the same thickness as the brush wire 2, a first fixing hole (not visible in the drawings) corresponding to the mounting hole 4 of the spring 3 is provided at a position beside the first sinking groove 6 on the first plane 7, and a first fixing member 8 for fixing the spring 3 is installed in the first fixing hole; the second plane 9 and the third plane 13 are adjacent to each other, an included angle between the second plane 9 and the third plane 13 is the same as a bending angle of the brush wire 2, a second strip-shaped groove 10 for placing a part of the brush wire 2, which is located outside the reed 3, is arranged on the second plane 9, a second sink groove 11 for placing a part of the brush wire 2, which is located inside the reed 3, is arranged on the third plane 13, the second sink groove 11 and the second strip-shaped groove 10 are communicated with each other, have the same depth and the same thickness as the brush wire 2, the widths of the first strip-shaped groove 5 and the second strip-shaped groove 10 are the same as the width of the brush wire 2, a second fixing hole (invisible in the figure) corresponding to the mounting hole 4 of the reed 3 is arranged at a position beside the second sink groove 11 on the third plane 13, and a second fixing piece 12 for fixing the reed 3 is arranged in the second fixing hole. Preferably, the brush wire 2, the first strip-shaped groove 5 and the second strip-shaped groove 10 are all two parallel to each other, and the mounting hole 4 of the spring 3, the first fixing hole, the first fixing piece 8, the second fixing hole and the second fixing piece 12 are all two; the second plane 9 and the first plane 7 are adjacent planes, the first plane 7 and the third plane 13 are perpendicular to each other, and the opposite side surface of the first plane 7 and the opposite side surface of the third plane 13 are both planes; the first fixing member 8 and the second fixing member 12 are both bolts (or bolts, the first fixing hole and the second fixing hole are both screw holes).
As shown in fig. 1-7, when in use, the brush wire 2 and the reed 3 which are not connected are firstly connected by spot welding, as shown in fig. 4 and 6, the first plane 7 of the tool base body is upward, the brush wire 2 is not bent at this time, the brush wire 2 is simultaneously placed in the first strip-shaped groove 5 and the first sinking groove 6, the reed 3 is installed on the first plane 7 through the first fixing piece 8, the brush wire 2 and the reed 3 which are positioned in the first sinking groove 6 are overlapped, the brush wire 2 and the reed 3 are accurately positioned, then spot welding is carried out at the joint of the brush wire 2 and the reed 3, the relative position of the brush wire 2 and the reed 3 is fixed after spot welding, then the first fixing piece 8 is taken down, the reed 3 is turned over, the overlapped part of the brush wire 2 and the reed 3 is connected by spot welding, at this time, because the relative position of the brush wire 2 and the reed 3 is fixed, the spot welding can be completed without accurately positioning, thus, the spot welding process between the brush wire 2 and the spring 3 is completed.
Then, the bending operation is performed on the brush wire 2, as shown in fig. 5 and 7, the third plane 13 of the tool base body is first faced upward, the brush wire 2 is simultaneously placed in the second strip-shaped groove 10 and the second sinking groove 11, the spring plate 3 is then mounted on the third plane 13 through the second fixing member 12, so that the brush wire 2 and the spring plate 3 are stably fixed on the third plane 13, and then the bending operation can be performed, and the brush wire 2 is directly pressed down at the joint between the third plane 13 and the second plane 9 until the part of the brush wire 2, which is located outside the spring plate 3, is attached to the second plane 9, so that the bending process on the brush wire 2 is completed.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (4)
1. The utility model provides an angle displacement sensor is with spot welding of spring subassembly and frock of bending, the spring subassembly includes interconnect's brush silk and reed, be equipped with mounting hole, its characterized in that on the reed: the spot welding and bending tool for the spring assembly for the angular displacement sensor comprises a tool base body, wherein the surface of the tool base body comprises a first plane, a second plane and a third plane, the first plane is provided with a first sunken groove used for placing the part, located inside a reed, of an electric brush wire and a first strip-shaped groove used for placing the part, located outside the reed, of the electric brush wire, the first sunken groove and the first strip-shaped groove are communicated with each other, have the same depth and the same thickness as the electric brush wire, a first fixing hole corresponding to a mounting hole of the reed is arranged at the position, located beside the first sunken groove, of the first plane, and a first fixing piece used for fixing the reed is arranged in the first fixing hole; the second plane with the third plane is adjacent and contained angle between the two with the angle of bending of electric brush silk is the same, be equipped with on the second plane and be used for placing in the electric brush silk lie in the second bar recess of part beyond the reed, be equipped with on the third plane and be used for placing in the electric brush silk lie in the second heavy groove of part within the reed, the second heavy groove with second bar recess intercommunication each other and the degree of depth the same and with the thickness of electric brush silk is the same, first bar recess with the width of second bar recess all with the width of electric brush silk is the same, lie in on the third plane the position next door of second heavy groove be equipped with the second mounting hole that the mounting hole of reed corresponds and this second mounting hole installs and is used for fixing the second mounting of reed.
2. The spot welding and bending tool for the reed assembly for the angular displacement sensor according to claim 1, characterized in that: the electric brush wire, the first strip-shaped groove and the second strip-shaped groove are two parallel to each other, and the reed mounting holes, the first fixing pieces, the second fixing holes and the second fixing pieces are two.
3. The spot welding and bending tool for the reed assembly for the angular displacement sensor according to claim 1 or 2, characterized in that: the second plane and the first plane are adjacent planes, the first plane and the third plane are perpendicular to each other, and the surface on the opposite side of the first plane and the surface on the opposite side of the third plane are both planes.
4. The spot welding and bending tool for the reed assembly for the angular displacement sensor according to claim 1 or 2, characterized in that: the first fixing piece and the second fixing piece are both bolts or bolts, and if the bolts are used, the first fixing hole and the second fixing hole are both screw holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336424.3U CN216066234U (en) | 2021-09-26 | 2021-09-26 | Spot welding and bending tool of spring assembly for angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122336424.3U CN216066234U (en) | 2021-09-26 | 2021-09-26 | Spot welding and bending tool of spring assembly for angular displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216066234U true CN216066234U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122336424.3U Active CN216066234U (en) | 2021-09-26 | 2021-09-26 | Spot welding and bending tool of spring assembly for angular displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216066234U (en) |
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2021
- 2021-09-26 CN CN202122336424.3U patent/CN216066234U/en active Active
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