CN219986463U - Welding fixing device - Google Patents

Abstract

The utility model discloses a welding fixing device which comprises a first fixing plate, wherein a connecting chute is formed in the first fixing plate, a first adjusting screw rod is rotatably installed in the connecting chute, a connecting sliding block is slidably installed in the connecting chute, the connecting sliding block is in threaded connection with the first adjusting screw rod, a main board bracket is fixedly installed on the connecting sliding block, a first adsorption magnet is embedded on the main board bracket, a second fixing plate is arranged on the main board bracket, and second adsorption magnets are fixedly installed on two sides of the second fixing plate and are mutually matched with the first adsorption magnets. Through carrying out the centre gripping fixed to mainboard and chip through control mainboard bracket, chip grip block respectively, rethread magnetic force links together mainboard bracket and second fixed plate, can accomplish the fixed to chip and mainboard, takes place to rock when effectually avoiding the chip welding, causes the condition emergence of welding dislocation.

Description

Welding fixing device

Technical Field

The present disclosure relates to solder fixing devices, and particularly to a solder fixing device for a chip.

Background

When the chip is required to be welded on the integrated circuit board, in order to avoid the connection error of the pin tin points caused by the shaking of the chip, the chip and the circuit board are often required to be fixed together, and only the chip is welded on the main board by using a hot air gun.

The fixing clamp for welding the Bluetooth sound box chip comprises a base, wherein an extension rod is arranged on one side of the base, one end of the extension rod is welded with the base, the other end of the extension rod is embedded into the base, a reset spring is arranged in the base, and the end of the reset spring applies pressure to the end of the extension rod.

Above-mentioned current mounting fixture for bluetooth speaker chip welding adsorbs the chip through the sucking disc, adjusts the sucking disc position, makes its laminating on the mainboard chip carrier to make the chip fix and weld on the mainboard, but adopt the hot air gun heating solder paste to make chip stitch and mainboard link together during the welding, because the chip volume is less, the hot air gun is difficult to control the heating scope, and the heating process probably melts the sucking disc, causes the damage of equipment, and the base can't fix the mainboard simultaneously, and the mainboard rocks also probably causes the problem of chip welding failure when the welding.

Disclosure of Invention

The present utility model is directed to a welding fixture, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a welded fastening device, includes first fixed plate, connecting chute has been seted up above the first fixed plate, connecting chute internal rotation installs first adjusting screw, connecting slider is slided to connecting chute, connecting slider and first adjusting screw threaded connection, fixed mounting has the mainboard bracket above the connecting slider, inlay above the mainboard bracket and establish and install first absorption magnetite, be provided with the second fixed plate above the mainboard bracket, second fixed plate both sides fixed mounting has the second to adsorb magnetite, the second adsorbs magnetite and first absorption magnetite mutually support, be provided with the chip grip block below the second fixed plate.

Preferably, a limit connecting groove is formed on the first fixing plate and located on two sides of the connecting sliding groove.

Preferably, the limit connecting blocks are fixedly arranged below the main board bracket and positioned on two sides of the connecting sliding block, and the limit connecting blocks are mutually matched with the limit connecting grooves.

Preferably, a limiting groove is formed below the second fixing plate, a limiting slide block is fixedly mounted on the chip clamping block, and the limiting slide block is matched with the limiting groove.

Preferably, a bearing seat is fixedly arranged on the second fixing plate, and the bearing seat is rotatably arranged.

Preferably, an adjusting connection block is fixedly arranged on the chip clamping block, and the adjusting connection block is in threaded connection with the second adjusting screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main board and the chip are clamped and fixed respectively through the control main board bracket and the chip clamping block, the position of the second fixing plate is adjusted, the clamped chip is aligned to the main board chip seat, the second fixing plate is placed above the main board bracket, the main board bracket is connected with the second fixing plate through magnetic force, the chip and the main board can be fixed, and the situation that welding dislocation is caused due to shaking when the chip is effectively avoided.

2. The second adjusting screw is rotated to drive the chip clamping blocks to move, the chip clamping blocks are adjusted to clamp and fix the chips from two sides at intervals, the chip clamping blocks are integrally made of high-temperature-resistant materials, the chips are prevented from being melted when being welded by heating, and meanwhile, shielding objects are not arranged above the chip clamping blocks when the chips are clamped, so that operators can conveniently heat the chips to melt solder paste, and the chips are welded and fixed on a main board.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model when soldering a chip;

FIG. 3 is a schematic view of a motherboard bracket structure according to the present utility model;

FIG. 4 is a schematic diagram of a chip clamping block according to the present utility model.

In the figure: 1. a first fixing plate; 101. a limit connecting groove; 102. the connecting chute; 103. a first adjusting screw; 2. a main board bracket; 201. a first adsorption magnet; 202. a limit connecting block; 203. the connecting slide block; 3. a second fixing plate; 301. a second adsorption magnet; 302. a bearing seat; 303. a second adjusting screw; 4. a chip clamping block; 401. a limit sliding block; 402. and adjusting the connecting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a welded fastening device, including first fixed plate 1, connecting chute 102 has been seted up on the first fixed plate 1, connecting chute 102 internal rotation installs first adjusting screw 103, connecting chute 102 internal sliding installs connecting slider 203, connecting slider 203 and first adjusting screw 103 threaded connection, fixed mounting has mainboard bracket 2 above the connecting slider 203, inlay on the mainboard bracket 2 and establish and install first adsorption magnetite 201, be provided with second fixed plate 3 above the mainboard bracket 2, second fixed plate 3 both sides fixed mounting has second adsorption magnetite 301, second adsorption magnetite 301 and first adsorption magnetite 201 cooperate, be provided with chip grip block 4 below the second fixed plate 3.

In this embodiment, control mainboard bracket 2, chip grip block 4 respectively through first fixed plate 1 and second fixed plate 3 and carry out the centre gripping fixed to mainboard and chip, effectually appear rocking when avoiding the welding, the second that second fixed plate 3 both sides set up adsorbs magnetite 301 and the first magnetite 201 cooperation that adsorbs of inlaying the installation above the mainboard bracket 2, make second fixed plate 3 fix in mainboard bracket 2 top, adopt magnetic connection simultaneously, make things convenient for operating personnel to adjust the position of second fixed plate 3, make second fixed plate 3 can aim at the position on the chip carrier on the mainboard, make things convenient for operating personnel to use hot-blast rifle welding chip.

In order to achieve the purpose of fixing the main board, the device is achieved by adopting the following technical scheme: limiting connecting grooves 101 are formed in the upper surface of the first fixing plate 1 and located on two sides of the connecting sliding groove 102, limiting connecting blocks 202 are fixedly arranged on two sides of the connecting sliding block 203 and located below the main board bracket 2, and the limiting connecting blocks 202 are matched with the limiting connecting grooves 101.

Through spacing spread groove 101 and spacing connecting block 202 cooperation, restriction mainboard bracket 2 only can slide along spacing spread groove 101, and rotatory first adjusting screw 103 can drive and connect slider 203 and remove, connects slider 203 and removes and can drive mainboard bracket 2 and remove to adjust the interval between two mainboard brackets 2, make mainboard bracket 2 can the centre gripping fixed motherboard.

In order to achieve the purpose of clamping the chip, the device is realized by adopting the following technical scheme: a limiting groove is formed below the second fixing plate 3, a limiting slide block 401 is fixedly arranged on the chip clamping block 4, the limiting slide block 401 is matched with the limiting groove, a bearing seat 302 is fixedly arranged on the second fixing plate 3, a second adjusting screw 303 is rotatably arranged in the bearing seat 302, an adjusting connecting block 402 is fixedly arranged on the chip clamping block 4, and the adjusting connecting block 402 is in threaded connection with the second adjusting screw 303.

Through spacing slider 401 and spacing groove cooperation, can be with chip grip block 4 sliding connection in the 3 below of second fixed plate, adjust connecting block 402 and second regulation lead screw 303 screw thread fit, rotatory second regulation lead screw 303 can drive and adjust connecting block 402 and remove, adjusts connecting block 402 and removes and can drive chip grip block 4 and remove to adjust the interval between two chip grip blocks 4, make chip grip block 4 can the centre gripping fixed chip, the top does not have the shelter from the thing simultaneously, makes things convenient for the hot-blast rifle to chip heating melt solder paste.

The working principle and the using flow of the utility model are as follows: when the device is used, the device can be placed at a proper position, a main board to be welded with a chip is placed on the main board bracket 2, then the first adjusting screw 103 is rotated to adjust the distance between the main board brackets 2, the main board is clamped and fixed, then the second adjusting screw 303 is rotated to drive the chip clamping block 4 to move, the chip is clamped and fixed, the position of the second fixing plate 3 is adjusted, the clamped chip is aligned with the main board chip seat, the second fixing plate 3 is placed above the main board bracket 2, the main board bracket 2 is connected with the second fixing plate 3 through magnetic force, and the chip and the main board can be fixed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A welded fastening device comprising a first fastening plate (1), characterized in that: the utility model discloses a chip clamping device, including first fixed plate (1), second fixed plate (3) are provided with above the first fixed plate (2), first regulation lead screw (103) are installed to connection spout (102) internal rotation, connection slider (203) are installed to connection spout (102) internal sliding, connection slider (203) and first regulation lead screw (103) threaded connection, fixed mounting has mainboard bracket (2) above connection slider (203), inlay above mainboard bracket (2) and establish and install first absorption magnetite (201), be provided with second fixed plate (3) above mainboard bracket (2), second absorption magnetite (301) are installed to second fixed plate (3) both sides fixed mounting, second absorption magnetite (301) and first absorption magnetite (201) mutually support, be provided with chip clamping block (4) below second fixed plate (3).

2. A weld fixture apparams according to claim 1, wherein: limiting connecting grooves (101) are formed in the upper surface of the first fixing plate (1) and located on two sides of the connecting sliding groove (102).

3. A weld fixture apparams according to claim 2, wherein: and limiting connecting blocks (202) are fixedly arranged below the main board bracket (2) and positioned on two sides of the connecting sliding blocks (203), and the limiting connecting blocks (202) are mutually matched with the limiting connecting grooves (101).

4. A weld fixture apparams according to claim 1, wherein: a limiting groove is formed below the second fixing plate (3), a limiting sliding block (401) is fixedly arranged on the chip clamping block (4), and the limiting sliding block (401) is matched with the limiting groove.

5. A weld fixture apparams according to claim 1, wherein: the bearing seat (302) is fixedly arranged on the second fixing plate (3), and a second adjusting screw rod (303) is rotatably arranged on the bearing seat (302).

6. A weld fixture apparams according to claim 5, wherein: an adjusting connecting block (402) is fixedly arranged on the chip clamping block (4), and the adjusting connecting block (402) is in threaded connection with a second adjusting screw rod (303).