CN115007963A - Circuit board welding clamp - Google Patents
Circuit board welding clamp Download PDFInfo
- Publication number
- CN115007963A CN115007963A CN202111018202.5A CN202111018202A CN115007963A CN 115007963 A CN115007963 A CN 115007963A CN 202111018202 A CN202111018202 A CN 202111018202A CN 115007963 A CN115007963 A CN 115007963A
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- 238000003466 welding Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 13
- 238000005476 soldering Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/08—Soldering by means of dipping in molten solder
- B23K1/085—Wave soldering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The embodiment of the invention discloses a circuit board welding fixture which comprises a base, a positioning plate, a pressing plate, at least one sliding pin and a pressing mechanism. The positioning plate is provided with at least one positioning hole. The pressing plate is provided with a long hole, the aperture of an end hole at one end of the long hole is larger than that of the long hole, and the sliding pin penetrates through the long hole; the pressing mechanism is connected with the pressing plate and the positioning plate so as to press or loosen the positioning plate by the pressing plate, and in the pressing process, the sliding pin is jacked up and the end head is jacked out of the end hole, so that the pressing plate is linked to slide along the length direction of the long hole. Through the linkage, when the pressing can not be realized, the neglected installation of the electric element can be determined, so that the technical problem that the final circuit board is scrapped due to the neglected installation of the electric element to be welded which is manually placed by a worker in the prior art is solved.
Description
Technical Field
The invention relates to a circuit board welding clamp.
Background
At present, the wave soldering process is a technique of placing all the electrical components to be soldered on the soldering positions required by the circuit board and then putting the whole into the equipment to complete soldering. In the process, as the electrical elements are manually placed, the situation that one or more electrical elements are missed on the circuit board can occur, and the electrical elements on the circuit board need to be checked one by an operator to prevent the situation, so that the working efficiency is low, and the possibility of missing checking is very easy to occur.
Therefore, a circuit board welding fixture is being sought by technical personnel in the field, which is helpful for solving the technical problem that in the prior art, the final circuit board is scrapped due to the fact that the electrical elements to be welded are placed by workers in a missing manner.
Disclosure of Invention
In view of the above, the present application provides a circuit board welding fixture, which includes a base, a positioning plate, a pressing plate and at least one sliding pin;
the positioning plate is suspended above the base and provided with at least one first positioning hole;
the pressing plate is used for pressing the positioning plate, the pressing plate is positioned above the positioning plate, at least one long hole is formed in the pressing plate, the aperture of an end hole at one end of the long hole is larger than that of the long hole, and the position of the long hole corresponds to that of the first positioning hole;
one end of the sliding pin is provided with an end head, the diameter of the end head is matched with the aperture of the end hole, the diameter of the other end of the sliding pin is matched with the aperture of the long hole, and the sliding pin penetrates through the long hole so that the end head at one end of the sliding pin is sleeved in the end hole;
one end of the pressing mechanism is connected with the pressing plate, the other end of the pressing mechanism is connected with the positioning plate, the pressing mechanism is provided with a pressing driving device so as to drive the pressing mechanism to press or loosen the positioning plate through the pressing driving device, the sliding pin is jacked up and the end head is jacked out of the end hole in the pressing process of the pressing plate on the positioning plate, and therefore the pressing plate is linked to slide along the length direction of the long hole.
This embodiment provides a circuit board welding jig's concrete structure, through the linkage of clamp plate judges whether all electric elements have all installed in place, helps solving among the prior art because the staff manual work puts the electric element that treats welding and neglected loading appears, leads to the condemned technical problem of final circuit board.
In another alternative embodiment, the stitching mechanism includes a first rotating arm;
the middle part of the first rotating arm is hinged to one side of the positioning plate;
the pressing driving device comprises a first pressing rod;
one end of the first pressure lever is connected with the upper end of the first rotating arm, the first pressure lever is suspended above the pressure plate and is connected with the pressure plate, so that when the first rotating arm rotates, the pressure plate can press or release the positioning plate, and meanwhile, the pressure plate slides along the length direction of the long hole.
In this embodiment, a specific structure of the stitching mechanism is provided.
In another optional embodiment, the pressing mechanism further comprises a positioning block;
the locating piece is connected on the base, be provided with first draw-in groove on the locating piece, the lower extreme of first rotation arm is provided with first trip, so that first rotation arm rotates the clamp plate is right when the locating plate realizes the pressfitting, first trip card is gone into first draw-in groove is right the rotation of first rotation arm is fixed.
The embodiment further provides a specific structure of the pressing mechanism.
In another optional embodiment, the pressing mechanism further comprises a first pressure spring;
one end of the first pressure spring is connected to the upper end of the first rotating arm, and the other end of the first pressure spring is connected to the positioning plate, so that the first pressure spring provides pulling force for the first rotating arm and the positioning plate, and the pressing plate is enabled to be tightly pressed on the positioning plate.
In this embodiment, a specific pressing mechanism structure having the first pressing spring is provided.
In another optional embodiment, the pressing mechanism further comprises at least one connecting block;
one end of the connecting block is connected with the pressing plate, a through hole is formed in the connecting block, and the first pressing rod penetrates through the through hole to be connected with the pressing plate.
In the present embodiment, a specific structure of the connection block having the connection block is provided.
In another optional embodiment, a gap is reserved between the through hole and the first pressure rod.
In the present embodiment, a specific structure of the connection block is provided.
In another optional embodiment, the connecting blocks are multiple and are arranged along the length direction of the first pressing rod.
In this embodiment, an arrangement of a plurality of the connection blocks is provided.
In another optional embodiment, the stitching mechanism further comprises a second rotating arm;
the middle part of the second rotating arm is hinged to one side of the positioning plate, the second rotating arm and the first rotating arm are symmetrically arranged on two sides of the positioning block, a second clamping groove is formed in the positioning block, a second clamping hook is arranged at the lower end of the second rotating arm, so that when the second rotating arm rotates, the second clamping hook is clamped into the second clamping groove, the second rotating arm is provided with a first engaging part, the first rotating arm is provided with a second engaging part, and the first engaging part is engaged with the second engaging part, so that the second rotating arm and the first rotating arm synchronously and symmetrically rotate towards two sides;
the pressing driving device comprises a second pressing rod;
one end of the second pressing rod is connected with the upper end of the second rotating arm, and the second pressing rod is suspended above the pressing plate and arranged side by side in the same direction as the first pressing rod.
The embodiment provides a specific structure of the stitching mechanism with the second rotating arm.
In another optional embodiment, the pressing mechanism further comprises a second pressure spring;
one end of the second pressure spring is connected to the upper end of the second rotating arm, and the other end of the first pressure spring is connected to the positioning plate, so that the first pressure spring provides pulling force for the first rotating arm and the positioning plate, and the pressing plate is enabled to be tightly pressed on the positioning plate.
The embodiment provides a specific structure of the pressing mechanism with the second pressure spring.
In another alternative embodiment, the positioning plate has at least one positioning column, and the base is provided with a second positioning hole, so that the positioning plate is inserted into the second positioning hole through the positioning column to ensure the relative position between the positioning plate and the base.
The embodiment provides the positioning plate result with the positioning column.
Drawings
FIG. 1 is a schematic diagram of an external structure of a circuit board welding fixture according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a pressing mechanism according to another embodiment of the present invention;
FIG. 3 is a schematic view of the assembly of the slide pin with electrical components in another embodiment of the present invention;
FIG. 4 is a schematic view of the assembly of the slide pin without electrical components in another embodiment of the present invention;
FIG. 5 is a schematic view of a slot according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a connecting block according to another embodiment of the present invention.
The foregoing and other features and advantages of the invention will become more apparent to those skilled in the art to which the invention relates upon consideration of the following detailed description of a preferred embodiment of the invention with reference to the accompanying drawings, in which:
wherein the reference numbers are as follows:
Detailed Description
The inventor finds that in the wave soldering process, in the prior art, a circuit board is placed on a clamp, an electric element to be soldered is placed on the circuit board, the clamp is pressed, the clamp can ensure the relative position relationship between the circuit board and the electric element and cannot move relatively, and then the circuit board with the electric element is conveyed to soldering equipment to realize wave soldering.
However, the number of the electrical elements placed on one circuit board is sometimes very large in the above process, and therefore, when a worker faces the situation that the electrical elements are frequently neglected to be installed, careless omission can occur even if the worker examines the electrical elements.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is an external structural view of a circuit board soldering jig according to an embodiment of the present invention, fig. 2 is a structural view of a pressing mechanism according to another embodiment of the present invention, fig. 3 is an assembly view of a sliding pin with an electrical component according to another embodiment of the present invention, and fig. 4 is an assembly view of a sliding pin without an electrical component according to another embodiment of the present invention. As shown in fig. 1 and 2, and fig. 3 and 4, in one embodiment, the present application provides a circuit board welding fixture, which includes a base 1, a positioning plate 2, a pressing plate 3, at least one sliding pin 4, and a pressing mechanism 5.
The base 1 is used for placing a circuit board 10 to be soldered, the base 1 can fix the circuit board 10 on the base 1 through a fixing device, and the side of the circuit board 10 to be soldered faces upwards.
The positioning plate 2 is suspended above the circuit board 10, the positioning plate 2 is provided with at least one first positioning hole 21, and the position of the first positioning hole 21 corresponds to the position of the electrical component 101 to be soldered on the circuit board 10 below.
The electrical component 101 is placed on the circuit board 10 at a location to be soldered, which will have a pin soldering contact of the electrical component 101, in order to electrically connect the circuit board 10 with the electrical component 101. The number of the electric components 101 may be one or more, and one first positioning hole 21 may be provided on the positioning plate 2 above each electric component 101, and a plurality of first positioning holes 21 may be provided above one electric component 101, which may be specifically configured according to the structure, size, and the like of the electric component 101.
The pressing plate 3 is used for being pressed with the positioning plate 2, the pressing plate 3 is located above the positioning plate 2, at least one long hole 31 is formed in the pressing plate 3, the aperture of an end hole 311 at one end of the long hole 31 is larger than that of the long hole 31, and the position of the long hole 31 corresponds to that of the first positioning hole 21.
Fig. 5 is a schematic structural diagram of a long hole in another embodiment of the present invention, as shown in fig. 5, the end hole 311 may be located at one end of the long hole 31, or may be located at the middle of the long hole 31 as shown in fig. 5, and the specific arrangement manner is according to the number of the sliding pins 4, the end hole 311 at one end of the long hole 31 is itself a part of the long hole 31, and is only a hole at one end thereof, but the diameter of the end hole 311 is larger than the diameter of the long hole 31, where the diameter of the long hole 31 is the diameter of the hole at the other end, and is also equal to the width, i.e., R, of the middle part of the long hole 31.
One end of the sliding pin 4 has a tip 41, the diameter of the tip 41 matches the aperture of the end hole 311, the diameter of the other end of the sliding pin 4 matches the aperture of the long hole 31, the sliding pin 4 passes through the long hole 31 so that the tip 41 at one end of the sliding pin 4 is sleeved in the end hole 311, and the other end of the sliding pin 4 is located between the base 1 and the positioning plate 2 and abuts against the top end of the electrical component 101.
Each sliding pin 4 has a tip 41, the diameter of the tip 41 should be a value between the hole diameters of the end hole 311 and the long hole 31, and the tip may be sleeved in the end hole 311, and the sliding pin 4 should be provided with at least one sliding pin 4 for each electrical component 101 in principle, so that it can be ensured that only when each electrical component 101 is installed in place, subsequent linkage can be generated, and some electrical components 101 may also be provided with the sliding pins 4 according to the working conditions, and the specific working principle will be further described in detail later, and will not be described herein again. The slide pin 4 has two sections, one section having a tip 41 larger than the other section of the slide pin 4, as shown in fig. 3 and 4.
One end of the pressing mechanism 5 is connected with the pressing plate 2, the other end of the pressing mechanism 5 is connected with the positioning plate 2, the pressing mechanism 5 is provided with a pressing driving device 51, so that the pressing mechanism 5 is driven by the pressing driving device 51 to press or loosen the positioning plate 2 by the pressing plate 3, in the pressing process of the positioning plate 2 by the pressing plate 3, the sliding pin 4 is jacked up by the electric element 101, the end head 41 is jacked out of the end hole 311, and then the pressing plate 3 is linked to slide along the length direction of the long hole 31.
In the present embodiment, a specific structure of a circuit board soldering jig is provided. It should be noted that the circuit board 10 and the electrical component 101 are only used for better explaining the application of the present application, and are not technical features in the present embodiment. When the pressing mechanism 5 is driven to press, two directions of movement are generated, one is a play along the axial direction of the sliding pin 4, the other is a movement along the length direction of the long hole 31, the two directions of movement are linked, and only when the two directions of movement are both possible, the pressing plate 3 can complete the pressing process, more importantly, only when the other end of the sliding pin 4 abuts against the corresponding electric element 101, the sliding pin 4 is lifted, the end 41 is pushed out of the end hole 311, at this time, the sliding pin 4 is lifted, so that the part penetrating in the long hole 31 is the lower half part of the sliding pin 4, when the end 41 is sleeved in the end hole 311, the end 41 cannot move along the length direction of the long hole 31 because the diameter of the end 41 is larger than that of the long hole 31, but when the end 41 is lifted, the diameter of the lower half part of the sliding pin 4 matches with that of the long hole 31, therefore, the sliding pin 4 can slide in the long hole 31, so that the condition of linkage of the pressing mechanism 5 is met, if any one electric element 101 is not installed in place, the whole pressing plate 3 cannot realize linkage in two directions, and because the end 41 is clamped in the end hole 311, the pressing plate 3 cannot move along the long hole 31, so that the situation that the electric element 101 is installed by mistake is also explained, and one or more electric elements 101 are likely to be neglected to be installed, so that the technical problem that the final circuit board is scrapped because the electric elements to be welded are placed by workers manually and are neglected to be installed in the prior art is solved.
In one embodiment, the stitching mechanism 5 includes a first rotation arm 52.
The middle portion of the first rotating arm 52 is hinged at one side of the positioning plate 2.
The stitching drive 51 comprises a first pressure lever 511.
One end of the first pressure lever 511 is connected to the upper end of the first rotating arm 52, and the first pressure lever 511 is suspended above the pressure plate 3 and connected to the pressure plate 3, so that when the first rotating arm 52 rotates, the pressure plate 3 presses or releases the positioning plate 2, and the pressure plate 3 slides along the length direction of the long hole 31.
In the present embodiment, a specific structure of the pressing mechanism 5 is provided. The first rotating arm 52 is hinged, and the first pressing rod 511 is added, so that the first rotating arm 52 can rotate in the process of pressing down the first pressing rod 511, and the rotating process actually has two moving components in two directions, namely, the up-down direction and the transverse direction, which respectively correspond to the pressing motion of the pressing plate 3, and the pressing plate 3 moves transversely, so that the pressing plate 3 is connected with the first pressing rod 511, and further connected with the first rotating arm 52 to realize linkage.
In an embodiment, the pressing mechanism 5 further includes a positioning block 53;
the positioning block 53 is connected to the base 1, a first engaging groove 531 is formed in the positioning block 53, and a first engaging hook 521 is disposed at the lower end of the first rotating arm 52, so that when the first rotating arm 52 rotates the pressing plate 3 to press the positioning plate 2, the first engaging hook 521 is engaged into the first engaging groove 531 to fix the rotation of the first rotating arm 52.
The embodiment further provides a specific structure of the stitching mechanism 5. In the pressing process, the pressing plate 3 should be tightly attached to the positioning plate 2, and for this purpose, when the first hook 521 is clamped into the first clamping groove 531, it is indicated that the pressing of the pressing plate 3 on the positioning plate 2 is in place, so as to prevent the pressing plate 3 from rebounding.
In one embodiment, the pressing mechanism 5 further includes a first compression spring 54;
one end of the first pressure spring 54 is connected to the upper end of the first rotating arm 52, and the other end of the first pressure spring 54 is connected to the positioning plate 2, so that the first pressure spring 54 provides pulling force for the first rotating arm 52 and the positioning plate 2, and the pressing plate 3 is further ensured to be tightly pressed on the positioning plate 2.
The embodiment further provides a specific structure of the stitching mechanism 5. The first compression spring 54 exerts an outward force on the upper end of the first rotating arm 52, so that the pressure plate 3 exerts a pressure on the positioning plate 2, and the positioning plate is pressed tightly.
In one embodiment, the stitching mechanism 5 further comprises at least one connecting block 55.
One end of the connecting block 55 is connected with the pressure plate 3, a through hole 551 is arranged on the connecting block 55, and the first pressure lever 511 penetrates through the through hole 551 to realize the connection between the first pressure lever 511 and the pressure plate 3.
In the present embodiment, a connection manner between the pressing plate 3 and the first pressing rod 511 is provided.
Fig. 6 is a schematic structural diagram of a connecting block according to another embodiment of the present invention. As shown in fig. 6, in one embodiment, a gap H is reserved between the through hole 551 and the first pressing rod 511.
The specific structure of the through-hole 551 is further provided in the present embodiment. Because the two directions of movement of the pressure plate 3 do not necessarily correspond to the two directions of movement provided by the first rotating arm 52, for example, after the pressure plate 3 is lifted by 1 cm, the sliding pin 4 should move to the other end along the long hole 31, for example, the length is 3 cm, but the movement component of the first rotating arm 52 may be that the ratio between the transverse vertical movement displacement component and the horizontal movement displacement component is not 1 to 3, in order to balance the above processes, the displacement ratio of the movement component is kept to be 3 to 1, and the through hole 551 can have a certain clearance to compensate the above unbalance on the stroke.
In one embodiment, the connecting block 55 is multiple and arranged along the length direction of the first pressing rod 511.
In the embodiment of the present invention, a plurality of connection blocks 55 are provided, and it is obvious that the structure of the arrangement is more stable.
In one embodiment, the stitching mechanism 5 further comprises a second rotating arm 56;
the middle part of the second rotating arm 56 is hinged to the one side of the positioning plate 2, the second rotating arm 56 and the first rotating arm 52 are symmetrically arranged at two sides of the positioning block 53, the positioning block 53 is provided with a second clamping groove 532, the lower end of the second rotating arm 56 is provided with a second clamping hook 561, so that when the second rotating arm 56 rotates, the second clamping hook 561 is clamped into the second clamping groove 532, the second rotating arm 56 is provided with a first engaging part 562, the first rotating arm 52 is provided with a second engaging part 522, and the first engaging part 562 is engaged with the second engaging part 522, so that the second rotating arm 56 and the first rotating arm 52 synchronously rotate symmetrically towards two sides.
The pressing driving device 51 comprises a second pressing rod 512;
one end of the second pressing rod 512 is connected with the upper end of the second rotating arm 56, and the second pressing rod 512 is suspended above the pressing plate 3 and is arranged side by side in the same direction as the first pressing rod 511.
In this embodiment, a specific press mechanism 5 structure having a second rotating arm 56 is provided. The second rotating arm 56 is not connected to the pressing plate 3, and it is convenient to apply a hand force to the pressing driving device 51, and the first pressing rod 511 and the second pressing rod 512 are simultaneously applied with a force, which is obviously more convenient to operate. In addition, since the first rotating arm 52 and the second rotating arm 56 preferably move synchronously and symmetrically, the first engaging portion 552 and the second engaging portion 522 are provided, and the first engaging portion 552 and the second engaging portion 522 may be gears, respectively, and the synchronous movement is realized by engagement.
In one embodiment, the stitching mechanism 5 further comprises a second compression spring 57.
One end of the second pressure spring 57 is connected to the upper end of the second rotating arm 52, and the other end of the second pressure spring 57 is connected to the positioning plate 2, so that the second pressure spring 57 provides pulling force for the first rotating arm 52 and the positioning plate 2, and the pressing plate 3 is further ensured to be tightly pressed on the positioning plate 2.
In the present exemplary embodiment, a specific embodiment of the pressing mechanism 5 with the second compression spring 57 is provided, which acts in the same way as the first compression spring 54, but acts on the second pivoting arm 56. In addition, two sets of pressing mechanisms 5 can be arranged on two sides of the positioning plate 2 respectively.
In an embodiment, the positioning plate 2 has at least one positioning post 21, and the base 1 is provided with a second positioning hole 11, so that the positioning plate 2 is inserted into the second positioning hole 11 through the positioning post 21 to ensure the relative position between the positioning plate 2 and the base 1.
In the present embodiment, a specific structure of the positioning plate 2 having the positioning column 21 is provided. The positioning plate 2 can ensure the relative position between the positioning column 21 and the base 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a circuit board welding jig which characterized in that, circuit board welding jig includes:
a base (1);
the positioning plate (2) is suspended above the base (1), and the positioning plate (2) is provided with at least one first positioning hole (21);
the pressing plate (3) is used for being pressed with the positioning plate (2), the pressing plate (3) is located above the positioning plate (2), at least one long hole (31) is formed in the pressing plate (3), the aperture of an end hole (311) at one end of the long hole (31) is larger than that of the long hole (31), and the position of the long hole (31) corresponds to that of the first positioning hole (21);
at least one sliding pin (4), wherein one end of the sliding pin (4) is provided with a head (41), the diameter of the head (41) is matched with the aperture of the end hole (311), the diameter of the other end of the sliding pin (4) is matched with the aperture of the long hole (31), and the sliding pin (4) penetrates through the long hole (31) so that the head (41) at one end of the sliding pin (4) is sleeved in the end hole (311);
the pressing mechanism (5) is provided with a pressing driving device (51) so as to drive the pressing mechanism (5) through the pressing driving device (51) to enable the pressing plate (3) to press or loosen the positioning plate (2), the sliding pin (4) is jacked up and the end head (41) is jacked out of the end hole (311) in the pressing process of the pressing plate (3) on the positioning plate (2), and then the pressing plate (3) is linked to slide along the length direction of the long hole (31).
2. The circuit board welding jig according to claim 1, wherein the pressing mechanism (5) comprises:
a first rotating arm (52), wherein the middle part of the first rotating arm (52) is hinged on one side of the positioning plate (2);
the stitching drive (51) comprises:
one end of the first pressure lever (511) is connected with the upper end of the first rotating arm (52), the first pressure lever (511) is suspended above the pressure plate (3) and is connected with the pressure plate (3), so that when the first rotating arm (52) rotates, the pressure plate (3) can press or release the positioning plate (2), and the pressure plate (3) can slide along the length direction of the long hole (31).
3. The circuit board welding jig according to claim 2, wherein the pressing mechanism (5) further comprises:
a locating block (53), locating block (53) are connected on base (1), be provided with first draw-in groove (531) on locating block (53), the lower extreme of first rotation arm (52) is provided with first trip (521), so that first rotation arm (52) rotate clamp plate (3) are right when locating plate (2) realize the pressfitting, first trip (521) card is gone into first draw-in groove (531) are right the rotation of first rotation arm (52) is fixed.
4. The circuit board welding jig according to claim 2, wherein the pressing mechanism (5) further comprises:
one end of the first pressure spring (54) is connected to the upper end of the first rotating arm (52), and the other end of the first pressure spring (54) is connected to the positioning plate (2), so that the first pressure spring (54) provides pulling force for the first rotating arm (52) and the positioning plate (2) and further ensures that the pressing plate (3) is tightly pressed on the positioning plate (2).
5. The circuit board welding jig according to claim 2, wherein the pressing mechanism (5) further comprises:
one end of the connecting block (55) is connected with the pressing plate (3), a through hole (551) is formed in the connecting block (55), and the first pressing rod (511) penetrates through the through hole (551) to realize connection of the first pressing rod (511) and the pressing plate (3).
6. The circuit board soldering jig according to claim 5, wherein a clearance (H) is reserved between the through hole (551) and the first presser bar (511).
7. The circuit board welding fixture according to claim 5 or 6, wherein the connecting block (55) is provided in plurality and arranged along the length direction of the first pressing rod (511).
8. The circuit board welding jig according to claim 3, wherein the pressing mechanism (5) further comprises:
a second rotating arm (56), the middle part of the second rotating arm (56) is hinged on one side of the positioning plate (2), the second rotating arm (56) and the first rotating arm (52) are symmetrically arranged at two sides of the positioning block (53), a second clamping groove (532) is arranged on the positioning block (53), a second clamping hook (561) is arranged at the lower end of the second rotating arm (56), so that the second hook (561) is clamped into the second clamping groove (532) when the second rotating arm (56) rotates, the second rotating arm (56) having a first engagement portion (562), the first rotating arm (52) having a second engagement portion (522), the first engagement portion (562) is engaged with the second engagement portion (522), so that the second rotating arm (56) and the first rotating arm (52) synchronously rotate symmetrically towards two sides;
the stitching drive (51) comprises:
one end of the second pressure lever (512) is connected with the upper end of the second rotating arm (56), and the second pressure lever (512) is suspended above the pressure plate (3) and arranged side by side in the same direction as the first pressure lever (511).
9. The circuit board welding jig according to claim 8, wherein the pressing mechanism (5) further comprises:
one end of the second pressure spring (57) is connected to the upper end of the second rotating arm (56), the other end of the first pressure spring (57) is connected to the positioning plate (2), and therefore the first pressure spring (54) provides pulling force for the first rotating arm (52) and the positioning plate (2) and further ensures that the pressing plate (3) is tightly pressed on the positioning plate (2).
10. The circuit board welding fixture according to claim 8 or 9, wherein the positioning plate (2) has at least one positioning post (22), and a second positioning hole (11) is disposed on the base (1), so that the positioning plate (2) is inserted into the second positioning hole (11) through the positioning post (22) to ensure the relative position between the positioning plate (2) and the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018202.5A CN115007963A (en) | 2021-08-31 | 2021-08-31 | Circuit board welding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111018202.5A CN115007963A (en) | 2021-08-31 | 2021-08-31 | Circuit board welding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115007963A true CN115007963A (en) | 2022-09-06 |
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ID=83064416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111018202.5A Pending CN115007963A (en) | 2021-08-31 | 2021-08-31 | Circuit board welding clamp |
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| CN (1) | CN115007963A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202679907U (en) * | 2011-12-13 | 2013-01-16 | 伟创力电子科技（上海）有限公司 | Plug-in element leakage-proof device |
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| CN202679907U (en) * | 2011-12-13 | 2013-01-16 | 伟创力电子科技（上海）有限公司 | Plug-in element leakage-proof device |
| CN203102734U (en) * | 2013-02-01 | 2013-07-31 | 上海西门子工业自动化有限公司 | Teaching experiment equipment for three-degree-of-freedom servo positioning system |
| DE202013001284U1 (en) * | 2013-02-08 | 2013-03-04 | Rewatronik Gmbh | Device combination for soldering and desoldering surface-mounted components on a printed circuit board |
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| CN210774094U (en) * | 2019-10-22 | 2020-06-16 | 常州市同力电子有限公司 | Full-automatic welding wire machine material leak hunting device |
| CN212734614U (en) * | 2020-07-21 | 2021-03-19 | 天津金洪智造机械有限公司 | Leak-proof and error-proof mechanism for projection spot welding standard part |
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