Circuit board welding clamp

Abstract

The utility model relates to a circuit board welding fixture in the technical field of welding fixtures. The angle adjusting device comprises a rotating frame used for limiting the clamping assembly, a plurality of worm gear tooth blocks are installed on the outer wall of the middle of the rotating frame, a limiting device used for limiting the angle adjusting device is installed outside the rotating frame, and the limiting device comprises a moving box used for limiting the rotating frame. The moving box comprises a worm used for being matched with the worm gear tooth block to adjust the angle of the clamping assembly. Through rotating a knob, under the transmission of a second rotating rod, a second bevel gear cooperates with a first bevel gear to control a first rotating rod to rotate, so that a worm rotates synchronously, and cooperates with a worm gear tooth block to drive a rotating frame to rotate, so that a clamping assembly drives a circuit board to perform angle adjustment; and the angle can be adjusted according to the welding habits of different users.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field especially is involved in a kind of circuit board welding fixture. BACKGROUND

[0002] At present, before welding circuit board, first pass through fixture and fix circuit board, then weld circuit board.

[0003] For example, the specific content of the circuit board welding fixture disclosed in Chinese patent application No. CN202420067141.4 is as follows: according to the length of the circuit board to be welded, the two sets of sliding blocks are driven to move relative to the two sets of rectangular plates to the appropriate position, then the limiting clamp is inserted and installed into the sliding groove two on both sides of the sliding block one to prevent the sliding block one from moving, the clamping plate is pushed along the direction of the rectangular slot, and the circuit board is placed on the rectangular plate, then the clamping plate is loosened, and the clamping plate is firmly fixed on the rectangular plate under the action of the spring one; when the back of the circuit board needs to be welded, the handle is pulled outward, the handle drives the round rod to move away from the circular slot two, and the spring two is compressed, then the rectangular frame is flipped along the pivot, and the handle is loosened, the rectangular block is driven by the spring two to automatically insert the round rod into the circular slot two, but it still has the following technical problems: in the actual welding process, the mounting bracket with the clamp needs to be adjusted in angle according to the welding habits of different welders to facilitate the welding of the circuit board, but the above mounting bracket can only slide up and down on the threaded rod, and the mounting bracket with the clamp cannot be adjusted in angle. SUMMARY

[0004] To solve the problem of the mounting bracket with the clamp being unable to adjust in angle in the background art, the utility model provides the following technical scheme: a circuit board welding fixture, comprising a clamping assembly inside an angle adjusting device for clamping the circuit board; the angle adjusting device comprises a rotating frame for limiting the clamping assembly, and a plurality of worm gear blocks are installed on the outer wall of the middle part of the rotating frame.

[0005] A limiting device for limiting the angle adjusting device is installed on the outside of the rotating frame, and the limiting device comprises a moving box for limiting the rotating frame.

[0006] The moving box comprises a worm for adjusting the angle of the clamping assembly in cooperation with the worm gear block, a rotating rod one is installed on the middle part of the worm, a first bevel gear is installed on one end of the rotating rod one, and a second bevel gear for controlling the rotation of the first bevel gear is engaged with one end of the first bevel gear.

[0007] Further, the limiting device comprises an operation table for limiting the moving box, a placing slot for accommodating the moving box is formed in the middle part of the operation table, an electric push rod for controlling the movement of the moving box is installed in the slot cavity of the placing slot, a part slot for storing electronic components is formed in the upper end of the operation table, and a table lamp is installed on the upper end of the operation table.

[0008] Further, the moving box comprises a first box body for limiting the worm, a protrusion one is installed on the upper end of the first box body, a limiting hole is formed in the middle part of the protrusion one, a second box body is installed on one side of the first box body, a limiting rod is installed on the lower end of the first box body, a rotating rod two is installed on the upper end of the second bevel gear, and a knob is installed on the upper end of the rotating rod two.

[0009] Further, the upper left and right ends of the rotating frame are installed with protrusions two, the middle parts of the protrusions two are installed with limiting shafts for limiting the rotating frame in cooperation with the limiting holes, a plurality of clamping grooves are formed in the left and right side walls of the inner cavity of the rotating frame, fixed frames are installed on the left and right ends of the inner cavity of the rotating frame, a sliding groove one for guiding the clamping assembly is formed in the middle part of the fixed frame, and a stop block is installed on the middle part of the outer wall of the rotating frame.

[0010] Further, the clamping assembly comprises a horizontal plate, sliding blocks for limiting the horizontal plate in cooperation with the sliding groove one are installed on the two ends of the horizontal plate, and limiting blocks are installed on the two ends of the horizontal plate.

[0011] Further, a limiting box is installed on the middle upper end of the horizontal plate, a cover plate is installed on the upper end of the limiting box, a sliding groove two is formed in the middle part of the cover plate, moving rods are installed on the two ends of the limiting box, a connecting block one is installed on one end of the moving rod, and an insertion block for positioning the horizontal plate in cooperation with the clamping groove is installed on one end of the connecting block one.

[0012] Further, a clamping plate for clamping the circuit board is installed on one side of the horizontal plate, a connecting block two is installed on one side of the moving rod facing the limiting box, a contact rod is installed on the upper end of the connecting block two, and a spring for pushing the two connecting blocks two is installed in the limiting box.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: through rotating the knob, the second bevel gear controls the rotating rod one to rotate in cooperation with the first bevel gear under the transmission of the rotating rod two, the worm is synchronously rotated, the rotating frame is driven to rotate in cooperation with the worm gear block, the clamping assembly drives the circuit board to adjust the angle, and the angle is adjusted according to the welding habits of different users. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model.

[0015] Figure 2 It is the structure schematic view of the position limiting device of the utility model.

[0016] Figure 3 It is the structure schematic view of the utility model mobile box.

[0017] Figure 4 It is the structure schematic view of the angle adjusting device of the utility model.

[0018] Figure 5 It is the structure schematic view of the clamping assembly of the utility model.

[0019] Figure 6 It is the A place enlarged view of the utility model. Figure 5

[0020] In the drawing, the name list of the component represented by each figure mark is as follows: 001-position limiting device;100-operation table, 110-placing groove, 111-electric push rod, 120-desk lamp, 130-part groove;200-mobile box, 210-first box body, 211-bump one, 212-limiting hole, 213-second box body, 214-limiting rod, 220-worm, 221-rotation rod one, 222-first bevel gear, 230-second bevel gear, 231-rotation rod two, 232-knob;002-angle adjusting device;300-rotating frame, 310-bump two, 311-limiting shaft, 312-clamping groove, 330-worm gear block, 340-stop block, 320-fixed frame, 321-slotted one;400-clamping assembly, 410-cross plate, 411-sliding block, 412-limiting block, 420-moving rod, 421-connection block one, 422-insertion block, 423-connection block two, 424-touch rod, 430-limiting box, 431-cover plate, 432-slotted two, 440-clamping plate, 450-spring. Specific implementation

[0021] The preferred specific implementation of the utility model is described in detail below, and clear and complete description is made in conjunction with the drawings.

[0022] Please refer to Figures 1-6 The utility model provides a circuit board welding fixture, including angle adjusting device 002 inside for clamping assembly 400 of circuit board is clamped.

[0023] Angle adjusting device 002 includes rotating frame 300 for limiting clamping assembly 400, and the outer wall of the middle part of rotating frame 300 is fixedly installed with a plurality of worm gear blocks 330.

[0024] ​The outer part of the rotating frame 300 is provided with a limiting device 001 for limiting the angle adjusting device 002, and the limiting device 001 comprises a moving box 200 for limiting the rotating frame 300.

[0025] The limiting device 001 comprises an operation table 100 for limiting the moving box 200, and the middle part of the operation table 100 is provided with a placing groove 110 for accommodating the moving box 200, so that the moving box 200 can be accommodated in the inner cavity of the placing groove 110 after welding. The inner cavity of the placing groove 110 is provided with an electric push rod 111 for controlling the movement of the moving box 200, and the upper end of the operation table 100 is provided with a part groove 130 for storing electronic components. The upper end of the operation table 100 can be provided with multiple part grooves 130, so that different electronic components can be placed before welding. The upper end of the operation table 100 is provided with a table lamp 120, so as to facilitate welding in places with insufficient light.

[0026] The moving box 200 comprises a worm 220 for adjusting the angle of the clamping assembly 400 in cooperation with the worm gear block 330. The middle part of the worm 220 is fixedly provided with a rotating rod 221, one end of the rotating rod 221 is fixedly provided with a first bevel gear 222, and one end of the first bevel gear 222 is engaged with a second bevel gear 230 for controlling the rotation of the first bevel gear 222.

[0027] The moving box 200 comprises a first box body 210 for limiting the worm 220. The upper end of the first box body 210 is fixedly provided with a protrusion 211, the middle part of the protrusion 211 is provided with a limiting hole 212, one side of the first box body 210 is fixedly provided with a second box body 213, and the lower end of the first box body 210 is fixedly provided with a limiting rod 214, so as to facilitate the up and down movement of the first box body 210 controlled by the electric push rod 111. The upper end of the second bevel gear 230 is fixedly provided with a rotating rod 231, and the upper end of the rotating rod 231 is fixedly provided with a knob 232.

[0028] By rotating the knob 232, the second bevel gear 230 controls the rotating rod 221 to rotate through the cooperation of the first bevel gear 222 under the transmission of the rotating rod 231, so that the worm 220 rotates synchronously, and the rotating frame 300 rotates around the limiting shaft 311 driven by the worm gear block 330, so as to adjust the angle of the clamping assembly 400 and the circuit board, so as to adjust the angle according to the welding habits of different users.

[0029] The rotating frame 300 has two clamping components 400 installed inside. Protrusions 310 are fixedly installed at the top left and right ends of the rotating frame 300. A limiting shaft 311 is fixedly installed in the middle of the protrusions 310 to limit the rotation frame 300 in conjunction with the limiting hole 212. Multiple slots 312 are formed on the left and right side walls of the inner cavity of the rotating frame 300. Fixing frames 320 are fixedly installed at the left and right ends of the inner cavity of the rotating frame 300. A sliding groove 321 is formed in the middle of the fixing frame 320 to guide the clamping components 400, allowing the two clamping components 400 to slide back and forth within the inner cavity of the rotating frame 300 according to the different sizes of circuit boards. A stop block 340 is installed in the middle of the outer wall of the rotating frame 300. The length of the stop block 340 is greater than the length of the worm gear block 330, preventing the stop block 340 from meshing with the worm 220 and avoiding excessive rotation of the rotating frame 300.

[0030] The clamping assembly 400 includes a horizontal plate 410. The lower ends of the left and right sides of the horizontal plate 410 are fixedly installed with sliders 411 for limiting the horizontal plate 410 in conjunction with the slide groove 321. The sliders 411 are T-shaped plates. Limiting blocks 412 are fixedly installed on the upper ends of the left and right sides of the horizontal plate 410.

[0031] A limiting box 430 is fixedly installed at the upper middle part of the horizontal plate 410. A cover plate 431 is installed at the upper end of the limiting box 430. A second sliding groove 432 is opened in the middle of the cover plate 431. A moving rod 420 is installed at both ends of the limiting box 430. A connecting block 421 is fixedly installed at the end of the moving rod 420 near the limiting block 412. An insert 422 for positioning the horizontal plate 410 in conjunction with the slot 312 is fixedly installed at one end of the connecting block 421. A cavity a is opened in the middle of the limiting block 412, and the insert 422 slides in the cavity a. After the insert 422 is inserted into the slot 312, the position of the clamping component 400 can be locked to facilitate clamping the circuit board.

[0032] A clamping plate 440 for holding the circuit board is installed on one side of the horizontal plate 410, and a protective pad can be installed on one side of the clamping plate 440. A connecting block 423 is fixedly installed on the side of the moving rod 420 facing the limiting box 430, and the connecting block 423 is located inside the limiting box 430. A contact rod 424 is fixedly installed on the upper end of the connecting block 423, and the contact rod 424 is located in the groove cavity of the sliding groove 432. The horizontal height of the contact rod 424 is higher than the horizontal height of the cover plate 431. A spring 450 for pushing the two connecting blocks 423 is installed inside the limiting box 430.

[0033] When clamping the circuit board, the two contact rods 424 are pinched, causing the two moving rods 420 to move closer to each other, and the insert block 422 to move away from the slot of the slot 312. The slider 411 slides in the slot 312 according to the circuit board of different sizes, so that the two clamping plates 440 clamp the circuit board. Finally, the contact rods 424 are released, and the spring 450 pushes the two connecting blocks 423, so that the insert block 422 is inserted into the slot 312 at the same time, thereby completing the positioning of the circuit board.

[0034] Based on the above description and accompanying drawings, those skilled in the art can understand and implement this utility model. Furthermore, any non-creative modifications made to this utility model by those skilled in the art without inventive effort are still within the protection scope of this utility model.

Claims

1. A circuit board soldering fixture, comprising a clamping assembly (400) inside an angle adjustment device (002) for clamping the circuit board, characterized in that: The angle adjustment device (002) includes a rotating frame (300) for limiting the clamping assembly (400), and a plurality of worm gear blocks (330) are installed on the outer wall of the middle part of the rotating frame (300). A limiting device (001) for limiting the angle adjustment device (002) is installed on the outside of the rotating frame (300). The limiting device (001) includes a movable box (200) for limiting the rotating frame (300). The movable box (200) includes a worm (220) for cooperating with the worm gear blocks (330) to adjust the angle of the clamping assembly (400). A rotating rod (221) is installed in the middle of the worm (220). A first bevel gear (222) is installed at one end of the rotating rod (221). A second bevel gear (230) for controlling the rotation of the first bevel gear (222) is engaged at one end of the first bevel gear (222).

2. The circuit board welding fixture according to claim 1, characterized in that: The limiting device (001) includes an operating table (100) for limiting the movement of the mobile box (200). The middle part of the operating table (100) is provided with a placement slot (110) for storing the mobile box (200). An electric push rod (111) for controlling the movement of the mobile box (200) is installed inside the slot cavity of the placement slot (110). The upper end of the operating table (100) is provided with a parts slot (130) for storing electronic components. A table lamp (120) is installed on the upper end of the operating table (100).

3. The circuit board welding fixture according to claim 1, characterized in that: The movable box (200) includes a first box (210) for limiting the worm gear (220), a protrusion (211) is installed on the upper end of the first box (210), a limiting hole (212) is opened in the middle of the protrusion (211), a second box (213) is installed on one side of the first box (210), a limiting rod (214) is installed on the lower end of the first box (210), a rotating rod (231) is installed on the upper end of the second bevel gear (230), and a knob (232) is installed on the upper end of the rotating rod (231).

4. A circuit board welding fixture according to claim 3, characterized in that: The rotating frame (300) has two protrusions (310) installed at the top left and right ends. A limiting shaft (311) for limiting the rotating frame (300) is installed in the middle of the protrusions (310) to cooperate with the limiting hole (212) to limit the rotating frame (300). Multiple slots (312) are opened on the left and right side walls of the inner cavity of the rotating frame (300). Fixed frames (320) are installed at the left and right ends of the inner cavity of the rotating frame (300). A sliding groove (321) for guiding the clamping assembly (400) is opened in the middle of the fixed frame (320). A stop block (340) is installed in the middle of the outer wall of the rotating frame (300).

5. A circuit board welding fixture according to claim 4, characterized in that: The clamping assembly (400) includes a horizontal plate (410), with sliders (411) installed at both ends of the horizontal plate (410) for limiting the horizontal plate (410) in conjunction with the sliding groove (321), and limit blocks (412) installed at both ends of the horizontal plate (410).

6. A circuit board welding fixture according to claim 5, characterized in that: A limiting box (430) is installed at the upper middle part of the horizontal plate (410). A cover plate (431) is installed at the upper end of the limiting box (430). A sliding groove (432) is opened in the middle of the cover plate (431). A moving rod (420) is installed at both ends of the limiting box (430). A connecting block (421) is installed at one end of the moving rod (420). An insert (422) for positioning the horizontal plate (410) in conjunction with the slot (312) is installed at one end of the connecting block (421).

7. A circuit board welding fixture according to claim 6, characterized in that: A clamping plate (440) for holding the circuit board is installed on one side of the horizontal plate (410). A connecting block two (423) is installed on the side of the moving rod (420) facing the limiting box (430). A contact rod (424) is installed on the upper end of the connecting block two (423). A spring (450) for pushing the two connecting blocks two (423) is installed inside the limiting box (430).

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