CN218277355U

CN218277355U - Fixing device for fixed-position welding of PCB

Info

Publication number: CN218277355U
Application number: CN202222246784.9U
Authority: CN
Inventors: 陈国藩
Original assignee: Chongqing Guali Technology Co ltd
Current assignee: Chongqing Guali Technology Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-10
Anticipated expiration: 2032-08-25

Abstract

The utility model belongs to the technical field of PCB welding, and discloses a fixing device for positioning welding of a PCB, which comprises a frame, wherein an upper loading platform and a middle loading platform are sequentially fixed on one side of the frame from top to bottom, and the top of the upper loading platform is connected with an operating platform; an installation inner groove is formed in the bottom of the upper loading platform, and a toothed ring is rotatably installed in the installation groove; the top of the upper loading platform is fixedly provided with a driving motor, the output end of the driving motor is connected with a driving gear, and the driving gear is meshed with the gear ring; the bottom of the toothed ring is symmetrically and fixedly provided with a lead screw motor and a fixing block, a rotatable lead screw and a fixed second guide rod are connected between the lead screw motor and the fixing block, the lead screw is provided with a negative suction head through a spiral sleeve, and the second guide rod can slide relatively to penetrate through the negative suction head. The utility model discloses automatic positioning device has been set up for welding can accurate location to the welding position on the PCB, thereby guaranteed the welded precision.

Description

PCB board fixed-position welding's fixing device

Technical Field

The utility model belongs to the technical field of the PCB board welding, concretely relates to PCB board fixed-position welding's fixing device.

Background

The PCB is also called a printed circuit board, and is a provider of electrical connection of electronic components. At present, a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards can be divided according to the number of layers of the circuit boards, and in the process of executing the existing PCB board processing, various conductive pins or other electrical components need to be welded on the corresponding PCB substrate in order to ensure good conductivity of the PCB board.

The traditional operation is completed manually, and the problem that the positioning between the PCB substrate and the corresponding element is not accurate enough exists; in addition, the manual positioning has the defects of troublesome operation and low efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board fixed-position welding's fixing device to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fixing device for positioning and welding a PCB comprises a rack, wherein an upper loading platform and a middle loading platform are sequentially fixed on one side of the rack from top to bottom, and the top of the upper loading platform is connected with an operating platform;

an installation inner groove is formed in the bottom of the upper loading platform, and a toothed ring is rotatably installed in the installation groove;

the top of the upper loading platform is fixedly provided with a driving motor, the output end of the driving motor is connected with a driving gear, and the driving gear is meshed with the gear ring;

the bottom of the toothed ring is symmetrically and fixedly provided with a lead screw motor and a fixing block, a rotatable lead screw and a fixed second guide rod are connected between the lead screw motor and the fixing block, the lead screw is provided with a negative suction head through a spiral sleeve, and the second guide rod can slide relatively to penetrate through the negative suction head.

Preferably, the fixing device for fixed-position welding of the PCB board further comprises a clamping device arranged on the operating platform, and the clamping device comprises:

two mounting brackets that the symmetry set up, and the top of every mounting bracket all is fixed with the installation pole, it is equipped with anchor clamps to rotate the cover on the installation pole, the expansion end of anchor clamps extends to the region between two mounting brackets, and is connected with volute spiral spring between anchor clamps and the installation pole.

Preferably, the operating platform is provided with a sliding groove, and at least one mounting frame is in sliding fit in the sliding groove.

Preferably, the mounting rack is provided with a positioning bolt capable of lifting relative to the operating platform, and the bottom of the positioning bolt is connected with a limiting disc capable of being pressed on the top surface of the operating platform.

Preferably, the loading platform is provided with a first guide rod and a rotatable threaded transmission rod, and the operating platform is connected with the threaded transmission rod in a screwing manner and is also connected with the first guide rod in a sliding manner.

Preferably, the fixing device for positioning and welding the PCB further comprises a lower assembly carrier and a driving device connected between the lower assembly carrier and the threaded transmission rod;

the driving device comprises a rotating motor, the bottom of the rotating motor is fixedly connected with the lower mounting platform, a worm wheel is fixedly mounted at the output end of the rotating motor, and the worm wheel is spirally meshed with the threaded transmission rod.

Compared with the prior art, the utility model, following beneficial effect has:

(1) The utility model discloses automatic positioning device has been set up, and this automatic positioning device comprises gear, ring gear mechanism and lead screw mechanism, through the cooperation motion of above-mentioned mechanism for a welding piece can accurate positioning to the welding position on the PCB base plate, thereby has guaranteed the welded precision.

(2) The utility model discloses mobilizable anchor clamps have been set up, this structure is based on set up the spout on the operation panel for the anchor clamps at mounting bracket and top can freely remove along the spout, thereby anchor clamps can realize pressing from both sides the clamp of the PCB board of different models in a flexible way.

(3) The utility model is provided with the thread transmission rod and the guide rod, so that the operating platform can move along the vertical direction, thereby ensuring that the distance between the PCB and the welding part in the vertical direction is adjustable, and the thread transmission rod is driven by the driving device; specifically, the driving device consists of a worm wheel and a motor, and is simple in structure and stable in transmission.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural view of a second viewing angle of the present invention;

fig. 3 is a schematic structural view of the clamping device of the present invention;

FIG. 4 is an enlarged view of FIG. 2 at A;

in the figure: the device comprises a rack 1, an upper loading platform 2, a driving motor 3, a screw motor 4, a negative suction head 5, an operating platform 6, a middle loading platform 7, a lower loading platform 8, a first guide rod 9, a threaded transmission rod 10, a worm gear 11, a rotating motor 12, a fixed block 13, a mounting rack 14, a rotating rod 15, a clamp 16, a sliding groove 17, a positioning bolt 18, a toothed ring 19, a second guide rod 20, a screw rod 21 and a driving gear 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides the following technical solutions: a fixing device for positioning and welding a PCB comprises a frame 1, wherein an upper loading platform 2 and a middle loading platform 7 are sequentially fixed on one side of the frame 1 from top to bottom, and the top of the upper loading platform 7 is connected with an operating platform 6;

referring to fig. 3, a clamping device is provided on the operating table 6, and the clamping device includes:

two mounting brackets 14 that the symmetry set up, and the top of every mounting bracket 14 all is fixed with installation pole 15, and the cover that rotates on installation pole 15 is equipped with anchor clamps 16, and the expansion end of anchor clamps 16 extends to the region between two mounting brackets 14, and is connected with volute spiral spring between anchor clamps 16 and the installation pole 15.

Preferably, a sliding slot 17 is formed in the console 6, and at least one mounting bracket 14 is slidably fitted in the sliding slot 17. Specifically, as shown in fig. 3, only one mounting frame 14 is slidably fitted to the sliding groove 17, and the other mounting frame 14 is fixed to the console 6;

in addition, a positioning bolt 18 capable of lifting relative to the operation table 6 is arranged on the mounting frame 14, and a limiting disc capable of being pressed on the top surface of the operation table 6 is connected to the bottom of the positioning bolt 18. Wherein, the positioning bolt 18 can be replaced by a ball screw, an electric push rod and other structures.

To sum up, the working principle of the clamping device of the present invention is:

the PCB is placed on the operation table 6, one side of the PCB is placed on one side of the fixed mounting frame 14, and the PCB is clamped by the clamp 16 on the mounting frame 14;

pushing the movable mounting frame 14, adjusting the relative distance between the clamp 16 on the movable mounting frame 14 and the PCB, and opening the clamp 16 in the clamping state until the PCB can be clamped under the clamp 16; further, the positioning bolt 18 on the mounting frame 14 is rotated, so that the limiting disc at the bottom of the bolt is tightly attached to the top of the operating platform 6, and the limiting of the mounting frame 14 on the operating platform 6 is guaranteed;

specifically, the clamp 16 is in a clamping state through a volute spiral spring (not shown in the figure) connected between the clamp 16 and the mounting rod 15, during the machining process, the clamp 16 is lifted, the clamp 16 rotates along the mounting rod 15, at the moment, the clamp is in an opening state, and when the clamp 16 is moved to be right above the PCB by the movable mounting frame 14, the clamp 16 can be put down, so that the PCB is clamped.

Referring to fig. 2 and 4, an installation inner groove is formed at the bottom of the upper mounting platform 2, and a toothed ring 19 is rotatably installed in the installation groove;

the top of the upper loading platform 2 is fixedly provided with a driving motor 3, the output end of the driving motor 3 is connected with a driving gear 22, and the driving gear 22 is meshed with the gear ring 19;

the bottom of the gear ring 19 is symmetrically and fixedly provided with a screw motor 4 and a fixed block 13, a rotatable screw 21 and a fixed second guide rod 20 are connected between the screw motor 4 and the fixed block 13, the screw sleeve on the screw 21 is provided with a negative suction head 5, and the second guide rod 20 can relatively slide to penetrate through the negative suction head 5.

Based on the above-mentioned open structure can know, the utility model discloses a location principle does:

adsorbing a welding piece to be processed at the bottom of a negative suction head 5 (which can be a negative pressure generating device), starting a lead screw motor 4, enabling a lead screw 21 on the output end of the lead screw motor 4 to start rotating, driving the negative suction head 5 to move along the lead screw 21 and a second guide rod 20, simultaneously starting a driving motor 3, and enabling a driving gear 22 on the output end of the driving motor 3 to be meshed with a driving toothed ring 19 so that the toothed ring 19 drives the negative suction head 5 to rotate;

specifically, the negative sucker 5 moves on the screw motor 4 to adjust the rotation diameter of the subsequent rotation motion, so that when the gear ring 19 drives the negative sucker 5 to rotate, a welding part on the negative sucker 5 can move to any position of the rotation area, and accurate positioning of the welding part and a PCB (printed circuit board) in a horizontal plane is realized.

Referring to fig. 1, a lower loading platform 8 is further fixed at the bottom of the frame 1, a first guide rod 9 and a rotatable threaded transmission rod 10 are further arranged on the loading platform 7, and the operation platform 6 is rotatably connected with the threaded transmission rod 10 and is also slidably connected with the first guide rod 9.

A driving device is connected between the lower loading platform 8 and the threaded transmission rod 10, and the driving device preferably comprises a rotating motor 12, the bottom of the rotating motor 12 is fixedly connected with the lower loading platform 8, a worm wheel 11 is fixedly installed at the output end of the rotating motor 12, and the worm wheel 11 is in threaded engagement with the threaded transmission rod 10.

Based on the above-mentioned structure of disclosing can know, after accomplishing the location in the above-mentioned horizontal plane, rotating electrical machines 12 starts and drives worm wheel 11 rotatory, order to drive from this with worm wheel 11 meshing rotatory screw drive pole 10 rotatory, specifically, screw drive pole 10 is established to lead screw thread and worm screw thread (all show in the figure) from top to bottom respectively to this makes operation panel 6 reciprocate along first guide arm 9 and screw drive pole 10, thereby makes welding and PCB board accomplish the location in the vertical plane, and then guarantees that the welding can the accurate welding on the PCB board.

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

Claims

1. The utility model provides a PCB board fixed-position welding's fixing device, includes frame (1), its characterized in that: an upper loading platform (2) and a middle loading platform (7) are sequentially fixed on one side of the rack (1) from top to bottom, and the top of the upper loading platform (7) is connected with an operating platform (6);

an installation inner groove is formed in the bottom of the upper loading platform (2), and a toothed ring (19) is rotatably installed in the installation groove;

the top of the upper loading platform (2) is fixedly provided with a driving motor (3), the output end of the driving motor (3) is connected with a driving gear (22), and the driving gear (22) is meshed with a gear ring (19);

the utility model discloses a lead screw motor, including ring gear (19), lead screw motor (4) and fixed block (13), and be connected with rotatable lead screw (21) and fixed second guide arm (20) between lead screw motor (4) and fixed block (13), the scroll cover is equipped with negative suction head (5) on lead screw (21), and second guide arm (20) relative slip run through negative suction head (5).

2. The PCB positioning and welding fixing device of claim 1, wherein: still including setting up the clamping device on operation panel (6), clamping device includes:

two mounting brackets (14) that the symmetry set up, and the top of every mounting bracket (14) all is fixed with installation pole (15), it is equipped with anchor clamps (16) to rotate the cover on installation pole (15), the expansion end of anchor clamps (16) extends to the region between two mounting brackets (14), and is connected with the spiral spring between anchor clamps (16) and the installation pole (15).

3. The PCB fixed-position welding fixing device of claim 2, wherein: a sliding groove (17) is formed in the operating platform (6), and at least one mounting frame (14) is in sliding fit with the sliding groove (17).

4. A PCB plate fixed-position welding fixing device according to claim 3, characterized in that: the mounting rack (14) is provided with a positioning bolt (18) which can lift relative to the operating platform (6), and the bottom of the positioning bolt (18) is connected with a limiting disc which can be pressed on the top surface of the operating platform (6).

5. The PCB positioning and welding fixing device of claim 1, wherein: the loading platform (7) is provided with a first guide rod (9) and a rotatable threaded transmission rod (10), and the operating platform (6) is connected with the threaded transmission rod (10) in a screwing mode and is further connected with the first guide rod (9) in a sliding mode.

6. A PCB positioning and welding fixing device according to claim 5, wherein: the screw thread transmission mechanism further comprises a lower assembling carrier (8) and a driving device connected between the lower assembling carrier (8) and the screw thread transmission rod (10);

the driving device comprises a rotating motor (12), the bottom of the rotating motor (12) is fixedly connected with the lower loading platform (8), a worm wheel (11) is fixedly installed at the output end of the rotating motor (12), and the worm wheel (11) is in spiral meshing with the threaded transmission rod (10).