CN213104994U - Clamp for wave soldering - Google Patents
Clamp for wave soldering Download PDFInfo
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- CN213104994U CN213104994U CN202120563069.0U CN202120563069U CN213104994U CN 213104994 U CN213104994 U CN 213104994U CN 202120563069 U CN202120563069 U CN 202120563069U CN 213104994 U CN213104994 U CN 213104994U
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Abstract
The utility model discloses a wave-soldering fixture, which relates to the technical field of wave-soldering accessories and comprises a bottom plate and a pressing plate, wherein the bottom plate is provided with a connecting hole, and the pressing plate is provided with a connecting piece matched with the connecting hole; the connecting piece comprises a connecting rod fixed on the pressure plate and a connecting ball fixed at the end part of the connecting rod; the top of the connecting hole extends to the center for a circle of fixing ring; the connecting ball is always positioned inside the connecting hole and below the fixing ring. The connecting piece of the pressure plate is inserted into the connecting hole of the bottom plate. The connecting ball is located the solid fixed ring lower part all the time, and the connecting rod can reciprocate along the connecting hole. When the connecting rod moves upwards to the connecting ball contact fixing ring, the fixing ring clamps the connecting ball, and the connecting rod can not move upwards any more, so that the pressing plate and the bottom plate can not be completely separated. The corresponding pressing plate and the corresponding bottom plate do not need to be found before use, and in the process of transportation and storage, the situation of individual loss caused by separation of the pressing plate and the bottom plate is avoided, so that inconvenient factors are relatively reduced.
Description
Technical Field
The utility model relates to a wave-soldering accessory technical field, concretely relates to anchor clamps for wave-soldering.
Background
When the wave crest welder welds the bonding wire on the chip, a specific clamp is needed to be used for fixing the chip in a specific area, and the bonding wire is prevented from deviating due to the fact that the chip slides when the ceramic nozzle contacts the chip. The existing clamp comprises a bottom plate positioned below and a pressing plate positioned above, a chip is positioned between the bottom plate and the pressing plate, the bottom plate and the pressing plate are clamped by corresponding clamps on a crest welder, and the chip is clamped between the bottom plate and the pressing plate to be fixed.
However, the bottom plate and the pressing plate of the existing clamp are completely separated when not in use, and the corresponding bottom plate and the corresponding pressing plate need to be found before use, which causes inconvenience in use. And in the process of transportation and storage, the separated bottom plate and the separated pressing plate are easy to be lost individually, so that the inconvenience of transportation and storage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in view of the above problems, there is provided a wave soldering jig in which a base plate and a pressure plate are not completely separated and are connected even when not in use.
The utility model adopts the technical scheme as follows:
a wave-soldering clamp comprises a bottom plate and a pressing plate, wherein a connecting hole is formed in the bottom plate, and a connecting piece matched with the connecting hole is arranged on the pressing plate; the connecting piece comprises a connecting rod fixed on the pressure plate and a connecting ball fixed at the end part of the connecting rod; the top of the connecting hole extends to the center for a circle of fixing ring, the inner diameter of the fixing ring and the aperture of the connecting hole are both larger than the diameter of the connecting rod, and the inner diameter of the fixing ring is smaller than the diameter of the connecting ball; the connecting ball is always positioned inside the connecting hole and below the fixing ring.
Preferably, the bottom plate is also provided with a positioning hole, and the pressing plate is also provided with a positioning piece matched with the positioning hole; the positioning piece comprises a positioning rod fixed on the pressing plate and a positioning ball fixed at the end part of the positioning rod.
Preferably, the locating plate is vertically arranged in the locating hole, the locating plate is connected with the inner wall of the locating hole through the elastic part, the locating plate is not in contact with the locating hole when the elastic part is in an original length state, the diameter of the locating hole is larger than that of the locating rod, and the locating ball can be located inside the locating hole, below the locating plate and outside the locating hole.
Preferably, the two positioning plates are oppositely arranged, the minimum distance between the two positioning plates is greater than the diameter of the positioning rod and smaller than the diameter of the positioning ball, and the maximum distance is not smaller than the diameter of the positioning ball.
Preferably, the upper end and the lower end of the positioning plate are smooth cambered surfaces.
Preferably, the length of the connecting rod is not less than the length of the positioning piece.
Preferably, the connecting hole and the positioning hole are both positioned at the edge of the bottom plate, and the connecting rod and the positioning rod are both positioned at the edge of the pressing plate; when the pressing plate is positioned right above the bottom plate, the connecting hole is opposite to the connecting rod, and the positioning hole is opposite to the positioning rod.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the connecting piece of the pressure plate is inserted into the connecting hole of the bottom plate. The connecting ball is located the solid fixed ring lower part all the time, and the connecting rod can reciprocate along the connecting hole. After the connecting rod moves upwards, a gap is formed between the pressing plate and the bottom plate, so that the chip can be conveniently inserted between the pressing plate and the bottom plate through the gap. When the connecting rod moves upwards to the connecting ball contact fixing ring, the fixing ring clamps the connecting ball, and the connecting rod can not move upwards any more, so that the pressing plate and the bottom plate can not be completely separated. The corresponding pressing plate and the corresponding bottom plate do not need to be found before use, and in the process of transportation and storage, the situation of individual loss caused by separation of the pressing plate and the bottom plate is avoided, so that inconvenient factors are relatively reduced.
Drawings
Fig. 1 is a front view of a wave soldering fixture, in which a pressing plate is located right above a bottom plate and the pressing plate and the bottom plate are not in contact with each other, and a positioning member is located outside a positioning hole.
FIG. 2 is a front view of a wave soldering fixture in which the pressure plate is positioned directly above the base plate and the two are in contact.
Fig. 3 is a top view of the wave soldering jig, in which the pressing plate is rotated in the circumferential direction to a position just above the bottom plate, taking the center of the circle of the connecting hole as the center of a circle.
Fig. 4 is a front perspective view of the coupling member engaged with the coupling hole.
FIG. 5 is a front perspective view of the positioning member engaged with the positioning hole.
Fig. 6 is a top view of the base plate.
Fig. 7 is a partial enlarged view of a in fig. 6.
Fig. 8 is a partial enlarged view of B in fig. 6.
Fig. 9 is a front view of the platen.
FIG. 10 is a top view of the platen.
Fig. 11 is a front perspective view of the attachment hole.
Fig. 12 is a front perspective view of the locating hole.
The labels in the figure are: the device comprises a bottom plate-1, a connecting hole-11, a fixing ring-111, a positioning hole-12, a positioning plate-121, an elastic part-122, a pressing plate-2, a connecting part-21, a connecting rod-211, a connecting ball-212, a positioning part-22, a positioning rod-221 and a positioning ball-222.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, 6, 7 and 11, a wave-soldering fixture comprises a bottom plate 1 and a pressing plate 2, wherein the upper surface of the bottom plate 1 is rectangular, a connecting hole 11 is vertically formed at one corner of the bottom plate 1, a connecting piece 21 matched with the connecting hole 11 is vertically fixed at one corner of the pressing plate 2, and when the pressing plate 2 is positioned right above the bottom plate 1, the connecting hole 11 is opposite to the connecting piece 21; the connecting piece 21 comprises a connecting rod 211 fixed on the pressure plate 2 and a connecting ball 212 fixed at the end of the connecting rod 211; the top of the connecting hole 11 extends to the center for a circle of fixing ring 111, the inner diameter of the fixing ring 111 and the aperture of the connecting hole 11 are both larger than the diameter of the connecting rod 211, and the inner diameter of the fixing ring 111 is smaller than the diameter of the connecting ball 212; the connection ball 212 is always located inside the connection hole 11 and below the fixing ring 111. The connecting rod 211 can move up and down along the connecting hole 11, and after the connecting rod 211 moves up, the connecting piece 21 can rotate circumferentially on the plane with the connecting hole 11 as the center of circle. When the connecting piece 21 rotates to a position right above the bottom plate 1, the chip is placed on the bottom plate 1, and after the connecting piece 21 rotates to a position right above the bottom plate 1, the connecting rod 211 moves downwards to drive the pressing plate 2 to be matched with the bottom plate 1 to clamp the chip.
Referring to fig. 1 to 5, 6, 8 to 10, and 12, further, positioning holes 12 are vertically formed at the other three corners of the bottom plate 1, positioning parts 22 adapted to the positioning holes 12 are fixed at the other three corners of the pressing plate 2, and when the pressing plate 2 is located right above the bottom plate 1, the positioning holes 12 are opposite to the positioning parts 22; the positioning member 22 includes a positioning rod 221 fixed to the pressure plate 2 and a positioning ball 222 fixed to an end of the positioning rod 221.
Referring to fig. 6, 8 and 12, a positioning plate 121 is vertically disposed in the positioning hole 12, the positioning plate 121 is connected to an inner wall of the positioning hole 12 through an elastic member 122, the positioning plate 121 is not in contact with the positioning hole 12 when the elastic member 122 is in an original length state, and a diameter of the positioning hole 12 is larger than a diameter of the positioning rod 221. When a chip is clamped, after the chip is placed on the bottom plate 1, the positioning ball 222 moves downwards and enters from the outside of the positioning hole 12, the outer wall of the positioning ball 222 moves the positioning plate 121 towards the direction close to the inner wall of the positioning hole 12, the elastic part 122 is compressed, the positioning ball 222 enters the positioning hole 12 and is positioned below the positioning plate 121, the elastic part 122 restores to the original length, and at the moment, the pressing plate 2 and the bottom plate 1 are relatively fixed, so that the situation that the pressing plate and the bottom plate are deviated is avoided; when the chip is taken out, the positioning ball 222 moves upwards, the outer wall of the positioning ball 222 moves the positioning plate 121 towards the direction close to the inner wall of the positioning hole 12 again, the elastic member 122 is compressed, the positioning ball 222 moves to the outside of the positioning hole 12, the elastic member 122 restores to the original length, and at this moment, the connecting member 21 is rotated, so that the chip can be taken out conveniently. The elastic member 122 is a spring.
Referring to fig. 6, 8 and 12, further, the two positioning plates 121 are disposed oppositely, when the elastic member 122 is in an original length state, a distance between the two positioning plates 121 is the smallest, and the smallest distance is greater than a diameter of the positioning rod 221 and smaller than a diameter of the positioning ball 222, so that the positioning rod 221 can freely move between the two positioning plates 121, and when the positioning ball 222 is located below the positioning plate 121, the positioning ball 222 can not easily move to the outside of the positioning hole 12; when the elastic element 122 is compressed until the positioning plates 121 contact the inner walls of the positioning holes 12, the distance between the two positioning plates 121 is the largest, and the largest distance is not smaller than the diameter of the positioning ball 222, so that the outer wall of the positioning ball 222 can compress the elastic element 122 to enter the positioning hole 12 and be located below the positioning plate 121.
Referring to fig. 5 and 12, further, the upper end and the lower end of the positioning plate 121 are smooth arc surfaces, and the outer surface of the positioning ball 222 is smooth, so that the positioning ball 222 can slide to the lower side of the positioning plate 121 along the outer surface of the positioning plate 121 when moving downward, and can slide to the outside of the positioning hole 12 along the outer surface of the positioning plate 121 when moving upward.
Referring to fig. 2, further, the length of the connecting rod 211 is not less than the length of the positioning element 22, and when the positioning ball 222 is completely located outside the positioning hole 12, the connecting ball 212 is also located inside the connecting hole 11 and below the fixing ring 111, so that the pressing plate 2 can be smoothly rotated when the pressing plate 2 is moved upward until the positioning ball 222 is clamped by the fixing ring 111.
Further, the connecting rod 211 is integrated with the connecting ball 212, and the positioning rod 221 is integrated with the positioning ball 222.
Further, the bottom of the fixing rod 111 is provided with a ring of anti-slip rubber ring for buffering the impact force of the connecting ball 212 on the fixing ring 111 when the connecting ball 212 contacts the fixing ring 111.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to aid in understanding the methods and their core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or positional relationship based on the front view in the drawings.
Claims (7)
1. A wave-soldering clamp comprises a bottom plate and a pressing plate, and is characterized in that a connecting hole is formed in the bottom plate, and a connecting piece matched with the connecting hole is arranged on the pressing plate; the connecting piece comprises a connecting rod fixed on the pressure plate and a connecting ball fixed at the end part of the connecting rod; the top of the connecting hole extends to the center for a circle of fixing ring, the inner diameter of the fixing ring and the aperture of the connecting hole are both larger than the diameter of the connecting rod, and the inner diameter of the fixing ring is smaller than the diameter of the connecting ball; the connecting ball is always positioned inside the connecting hole and below the fixing ring.
2. The wave soldering fixture as recited in claim 1, wherein the base plate is further provided with a positioning hole, and the pressing plate is further provided with a positioning member adapted to the positioning hole; the positioning piece comprises a positioning rod fixed on the pressing plate and a positioning ball fixed at the end part of the positioning rod.
3. The wave soldering jig according to claim 2, wherein a positioning plate is vertically disposed in the positioning hole, the positioning plate is connected to an inner wall of the positioning hole through an elastic member, the positioning plate is not in contact with the positioning hole when the elastic member is in an original length state, a diameter of the positioning hole is larger than a diameter of the positioning rod, and the positioning ball can be located inside the positioning hole, below the positioning plate, or outside the positioning hole.
4. The wave soldering jig according to claim 3, wherein the positioning plates are oppositely arranged, the minimum distance between the two positioning plates is larger than the diameter of the positioning rod and smaller than the diameter of the positioning ball, and the maximum distance is not smaller than the diameter of the positioning ball.
5. The wave soldering jig according to claim 4, wherein the upper end and the lower end of the positioning plate are both rounded curved surfaces.
6. The wave soldering jig according to claim 4, wherein the length of the connecting rod is not less than the length of the positioning member.
7. The wave soldering jig according to claim 4, wherein the connecting hole and the positioning hole are located at corners of the base plate, and the connecting rod and the positioning rod are located at corners of the pressing plate; when the pressing plate is positioned right above the bottom plate, the connecting hole is opposite to the connecting rod, and the positioning hole is opposite to the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563069.0U CN213104994U (en) | 2021-03-19 | 2021-03-19 | Clamp for wave soldering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120563069.0U CN213104994U (en) | 2021-03-19 | 2021-03-19 | Clamp for wave soldering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213104994U true CN213104994U (en) | 2021-05-04 |
Family
ID=75668512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120563069.0U Active CN213104994U (en) | 2021-03-19 | 2021-03-19 | Clamp for wave soldering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213104994U (en) |
-
2021
- 2021-03-19 CN CN202120563069.0U patent/CN213104994U/en active Active
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