Chip resistor welding device

Abstract

The utility model belongs to the technical field of resistance welding, and particularly relates to a chip resistor welding device which comprises an operation table, a linear motor is fixedly mounted on the front side of the upper surface of the operation table, a connecting block is fixedly connected to an output block of the linear motor, and a first telescopic rod is fixedly mounted at the inward end of the connecting block; a cleaning plate is fixedly mounted at the output end of the first telescopic rod, a cavity is formed in the cleaning plate, through holes are uniformly formed in the bottom end of the cleaning plate and communicate with the cavity, and a connecting pipe is fixedly mounted at the upper end of the cleaning plate. According to the chip resistor cleaning device, before a worker places a chip resistor and a circuit board at the upper end of the operation table 1, a linear motor is started to drive a connecting block to move, and then a first telescopic rod fixedly installed on the connecting block drives a cleaning plate to move; and in the moving process of the cleaning plate, dust on the upper surface of the operation table can be sucked away through a dust suction box and a connecting pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to resistance welding technical field, concretely relates to a surface mount device resistor welding device. BACKGROUND

[0002] Surface mount device resistor (SMD Resistor) is also called chip fixed resistor (Chip Fixed Resistor), and it is one kind of metal glass glaze resistor. It is the resistor that metal powder and glass glaze powder are mixed and are printed on the substrate using silk screen printing method. It is moisture and high temperature resistant, and temperature coefficient is small. It can greatly save circuit space cost, and makes design more fine. When installing and welding surface mount device resistor, first, the circuit board is fixed using a fixture, then the circuit board is tinned using a welding iron, then the surface mount device resistor is placed at the required position and the tin point is dissolved using the iron to connect with the outer wall of the surface mount device resistor, and the welding of the surface mount device resistor is completed.

[0003] The prior art needs to fix the circuit board on the installation table when welding the surface mount device resistor, then installs the surface mount device resistor on the circuit board, but there will be some dust on the surface of the circuit board, and there will also be some dust remaining on the installation table. If it is not cleaned, it will affect the final welding effect of the surface mount device resistor. In view of this, the utility model provides a surface mount device resistor welding device. UTILITY MODEL CONTENT

[0004] The main purpose of the present disclosure is to provide a surface mount device resistor welding device to effectively solve the problems raised by the inventors in the above background.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a chip resistor welding device, including the operation platform, the upper surface front side of operation platform is fixedly installed with linear motor, the output block of linear motor is fixedly connected with the connecting block, the inside one end of connecting block is fixedly installed with first telescopic link, the output end of first telescopic link is fixedly installed with the cleaning plate, the inside of cleaning plate is opened the cavity, the bottom of cleaning plate evenly is equipped with the hole, the hole is linked with cavity, the upper end of cleaning plate is fixedly installed with the connecting pipe, the one end of connecting pipe away from cleaning plate is fixedly connected with dust collection box, dust collection box is fixedly installed in the left side front end of operation platform, the upper surface rear side of operation platform is fixedly installed with the support block, the upper end of support block is fixedly installed with the adjusting frame, the upper end middle part of adjusting frame is opened the sliding slot, the sliding block is movably installed in the sliding slot, the right end of adjusting frame is fixedly installed with motor, the output end of motor is provided with the shaft coupling, the motor is fixedly connected with the lead screw through the shaft coupling, the sliding block is screw connected on the circumference surface of lead screw, the front end middle part of sliding block is movably installed with second telescopic link, the output end of second telescopic link is movably connected with the welding head.

[0007] Preferably, the bottom of the operation platform is fixedly installed with support legs at the four corners, and the bottom of the support legs is provided with anti-skid pads, which can increase the friction between the support legs and the ground, thereby allowing the support legs to more stably support the operation platform.

[0008] Preferably, the bottom of the cleaning plate is symmetrically provided with movable grooves on the left and right sides, and springs are movably installed in the movable grooves. A connecting rod is movably inserted into the opening end of the movable groove, and a brush plate is fixedly installed at the bottom of the connecting rod. This can clean the dust and dirt on the upper end of the operation platform more thoroughly during movement, thereby ensuring the welding effect of the chip resistor.

[0009] Preferably, the vertical cross-sectional dimension of the lower end of the sliding block is consistent with the vertical cross-sectional dimension of the sliding slot, which can reduce the gap between the sliding slot and the sliding block, thereby preventing the sliding block from shaking during movement and affecting the stability of the welding head installed at the output end of the second telescopic link.

[0010] Preferably, the bottom of the brush plate is attached to the middle part of the upper surface of the operation platform, which can allow the brush plate to clean the middle part of the upper surface of the operation platform more thoroughly.

[0011] Preferably, recesses are provided on the left and right sides of the bottom of the cleaning plate, and the brush plate is movably installed in the recesses. The bottom of the brush plate is lower than the bottom of the cleaning plate, which can allow the brush plate to clean the operation platform while the cleaning plate is moving under the action of the linear motor, thereby preventing friction between the bottom of the cleaning plate and the operation platform and causing wear on the upper surface of the operation platform, which affects the welding efficiency.

[0012] Therefore, compared with the prior art, the utility model has the beneficial effects that:

[0013] (One), in the application, the staff places the chip resistor and the circuit board on the upper end of the operation table 1, moves the connecting block by starting the linear motor, and then moves the cleaning plate with the first telescopic rod fixedly installed on the connecting block, so that the dust on the upper surface of the operation table is sucked and removed by the dust suction box and the connecting pipe during the movement of the cleaning plate, thereby avoiding the dust falling on the circuit board during the welding of the chip resistor, and affecting the welding effect of the chip resistor, and then the position of the welding head is adjusted by the motor, so that the chip resistor is stably welded.

[0014] (Two), in the application, the connecting rod is movably inserted into the opening end of the movable groove, and the brush plate is fixedly installed at the bottom end of the connecting rod, so that the brush plate can sweep the upper surface of the operation table 1 during the movement of the cleaning plate, thereby cleaning the dust and dust on the upper end of the operation table more cleanly, and ensuring the welding effect of the chip resistor. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a schematic diagram of the overall structure provided by the utility model;

[0016] Figure 2 Fig. 2 is a schematic diagram of the overall structure of the adjusting frame provided by the utility model;

[0017] Figure 3 Fig. 3 is a schematic diagram of the overall cross section provided by the utility model;

[0018] Figure 4 Fig. 4 is an enlarged schematic diagram of part A provided by the utility model.

[0019] Fig. 1 is a schematic diagram of the overall structure provided by the utility model; DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides the following embodiments:

[0022] A chip resistor welding device, the upper surface front side of the operating platform 1 is fixedly installed with a linear motor 3, the output block of the linear motor 3 is fixedly connected with a connecting block 4, the inner end of the connecting block 4 is fixedly installed with a first telescopic rod 5, the output end of the first telescopic rod 5 is fixedly installed with a cleaning plate 6, the inside of the cleaning plate 6 is provided with a cavity 7, the bottom end of the cleaning plate 6 is uniformly provided with a through hole 8, the through hole 8 is communicated with the cavity 7, the upper end of the cleaning plate 6 is fixedly installed with a connecting pipe 9, the end of the connecting pipe 9 away from the cleaning plate 6 is fixedly connected with a dust collection box 10, the dust collection box 10 is fixedly installed at the left front end of the operating platform 1, the upper surface rear side of the operating platform 1 is symmetrically fixedly installed with a supporting block 11, the upper end of the supporting block 11 is fixedly installed with an adjusting frame 12, the upper end middle part of the adjusting frame 12 is provided with a sliding slot 13, the sliding slot 13 is movably installed with a sliding block 14, the right end of the adjusting frame 12 is fixedly installed with a motor 15, the output end of the motor 15 is provided with a shaft coupling, the motor 15 is fixedly connected with a lead screw 16 through the shaft coupling, the sliding block 14 is screw-connected on the circumferential surface of the lead screw 16, the front end middle part of the sliding block 14 is movably installed with a second telescopic rod 17, the output end of the second telescopic rod 17 is movably connected with a welding head 18, before the staff places the chip resistor and the circuit board on the upper end of the operating platform 1, the linear motor 3 is started to move with the connecting block 4, then the first telescopic rod 5 fixedly installed on the connecting block 4 moves with the cleaning plate 6, the cleaning plate 6 moves in the process and removes the dust on the upper surface of the operating platform 1 through the dust collection box 10 and the connecting pipe 9, so that the dust on the circuit board is avoided in the welding process of the chip resistor, so as to affect the welding effect of the chip resistor, then the motor 15 rotates with the lead screw 16, so that the lead screw 16 moves in the sliding slot 13 with the sliding block 14, then the sliding block 14 stably welds the chip resistor through the second telescopic rod 17 with the welding head 18.

[0023] Specifically, the bottom corners of the operating platform 1 are fixedly installed with supporting legs 2, the bottom ends of the supporting legs 2 are provided with anti-skid pads, by setting the anti-skid pads on the bottom ends of the supporting legs 2, the friction between the supporting legs 2 and the ground can be increased, so that the supporting legs 2 can more stably support the operating platform 1, and the operating platform 1 is avoided from shaking in the welding process of the chip resistor, so as to affect the welding effect.

[0024] Specifically, the bottom end of the cleaning plate 6 is symmetrically provided with a movable groove 19 on the left and right sides, a spring 20 is movably installed in the movable groove 19, a connecting rod 21 is movably inserted into the opening end of the movable groove 19, and a brush plate 22 is fixedly installed at the bottom end of the connecting rod 21. By movably inserting the connecting rod 21 into the opening end of the movable groove 19, and then fixedly installing the brush plate 22 at the bottom end of the connecting rod 21, the brush plate 22 can be used to sweep the upper surface of the operation table 1 during the movement of the cleaning plate 6, so that the dust and dirt on the upper end of the operation table 1 can be cleaned more thoroughly, thereby ensuring the welding effect of the chip resistor.

[0025] Specifically, the lower end vertical section size of the sliding block 14 is consistent with the vertical section size of the sliding groove 13, which can reduce the gap between the sliding groove 13 and the sliding block 14, so that the sliding block 14 can move more stably in the sliding groove 13, avoiding shaking during the movement of the sliding block 14, thereby affecting the stability of the welding head 18 installed at the output end of the second telescopic rod 17.

[0026] Specifically, the bottom end of the brush plate 22 is attached to the middle of the upper surface of the operation table 1, which can clean the middle of the upper surface of the operation table 1 more thoroughly.

[0027] Specifically, the bottom end of the cleaning plate 6 is symmetrically provided with a movable groove 19 on the left and right sides, a spring 20 is movably installed in the movable groove 19, a connecting rod 21 is movably inserted into the opening end of the movable groove 19, and a brush plate 22 is fixedly installed at the bottom end of the connecting rod 21. By movably inserting the connecting rod 21 into the opening end of the movable groove 19, and then fixedly installing the brush plate 22 at the bottom end of the connecting rod 21, the brush plate 22 can be used to sweep the upper surface of the operation table 1 during the movement of the cleaning plate 6, so that the dust and dirt on the upper end of the operation table 1 can be cleaned more thoroughly, thereby ensuring the welding effect of the chip resistor.

[0028] The working principle of the utility model is as follows: before the staff places the chip resistor and the circuit board on the upper end of the operation table 1, the linear motor 3 is started to move with the connecting block 4, then the first telescopic rod 5 fixedly installed on the connecting block 4 moves with the cleaning plate 6, the cleaning plate 6 removes the dust on the upper surface of the operation table 1 through the dust collection box 10 and the connecting pipe 9 during the movement, so as to avoid the dust falling on the circuit board during the welding process of the chip resistor, thereby affecting the welding effect of the chip resistor, then the motor 15 rotates with the screw rod 16, so that the screw rod 16 moves in the sliding groove 13 with the sliding block 14, then the sliding block 14 stably welds the chip resistor through the second telescopic rod 17 with the welding head 18, at the same time, the connecting rod 21 is movably inserted in the opening end of the movable slot 19, then the brush plate 22 is fixedly installed at the bottom end of the connecting rod 21, which can sweep the upper surface of the operation table 1 during the movement of the cleaning plate 6, at the same time, the connecting rod 21 extrudes the spring 20, so as to avoid that the pressure of the brush plate 22 on the upper surface of the operation table 1 is too large, thereby affecting the use effect of the operation table 1, so that the dust and the dust on the upper end of the operation table 1 are cleaned more cleanly, thereby ensuring the welding effect of the chip resistor.

[0029] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A chip resistor welding apparatus comprising an operating table (1), characterized in that: The upper surface front side of the operating platform (1) is fixedly installed with a linear motor (3), the output block of the linear motor (3) is fixedly connected with a connecting block (4), the inner end of the connecting block (4) is fixedly installed with a first telescopic rod (5), the output end of the first telescopic rod (5) is fixedly installed with a cleaning plate (6), the inside of the cleaning plate (6) is provided with a cavity (7), the bottom end of the cleaning plate (6) is uniformly provided with a through hole (8), the through hole (8) is communicated with the cavity (7), the upper end of the cleaning plate (6) is fixedly installed with a connecting pipe (9), the end, away from the cleaning plate (6), of the connecting pipe (9) is fixedly connected with a dust suction box (10), the dust suction box (10) is fixedly installed on the left side of the front end of the operating platform (1), the rear side of the upper surface of the operating platform (1) is fixedly installed with a supporting block (11) in a symmetrical manner, the upper end of the supporting block (11) is fixedly installed with an adjusting frame (12), the upper end of the adjusting frame (12) is provided with a sliding groove (13) in the middle, a sliding block (14) is movably installed in the sliding groove (13), the right end of the adjusting frame (12) is fixedly installed with a motor (15), the output end of the motor (15) is provided with a shaft coupling, the motor (15) is fixedly connected with a lead screw (16) through the shaft coupling, the sliding block (14) is threadedly connected on the circumferential surface of the lead screw (16), the front end of the sliding block (14) is movably installed with a second telescopic rod (17), the output end of the second telescopic rod (17) is movably connected with a welding head (18).

2. A chip resistor welding apparatus according to claim 1, wherein: The bottom end of the operating platform (1) is fixedly installed with supporting legs (2) at four corners, and the bottom end of the supporting legs (2) is provided with anti-skid pads.

3. A chip resistor welding apparatus according to claim 1, wherein: The bottom end of the cleaning plate (6) is symmetrically provided with movable grooves (19) on the left and right sides, springs (20) are movably installed in the movable grooves (19), and connecting rods (21) are movably inserted into the opening ends of the movable grooves (19).

4. The chip resistor welding apparatus of claim 1, wherein: The vertical cross-sectional dimension of the lower end of the sliding block (14) is consistent with the vertical cross-sectional dimension of the sliding groove (13).

5. A chip resistor welding apparatus according to claim 3, wherein: The bottom end of the brush plate (22) is attached to the middle part of the upper surface of the operating platform (1).

6. A chip resistor welding apparatus according to claim 3, wherein: The bottom end of the cleaning plate (6) is provided with grooves on the left and right sides, the brush plate (22) is movably installed in the grooves, and the bottom end of the brush plate (22) is lower than the bottom end of the cleaning plate (6).

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