Conveying mechanism applied to reflow soldering equipment

Abstract

The utility model relates to the technical field of reflow soldering, in particular to a conveying mechanism applied to reflow soldering equipment, which comprises a mounting frame, a plurality of carrier rollers are rotatably connected onto the mounting frame, a same conveying belt is wound outside the plurality of carrier rollers, two hydraulic rods are mounted on the mounting frame and are symmetrically arranged, and the two hydraulic rods are connected with the same conveying belt. The extension end of the hydraulic rod is fixedly connected with a push rod, the end of the push rod is fixedly connected with a barrier strip, a sliding plate is slidably connected into the barrier strip, a plurality of rollers are rotatably connected to the sliding plate, a circuit board is placed on the conveying belt, the rollers are in rolling connection with the circuit board, and an adjusting structure is mounted on the mounting frame. According to the circuit board guiding device, circuit boards of different sizes, shapes or thicknesses can be guided, so that the circuit boards are effectively prevented from deviating from a preset path, the circuit boards are well attached to the conveying belt, the stability of the circuit boards in the conveying process is enhanced, and board surface scratching and element loosening caused by vibration collision are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a conveying mechanism, concretely to a conveying mechanism applied to reflow soldering equipment belongs to reflow soldering technical field. BACKGROUND

[0002] The reflow soldering equipment is also called reflow soldering or reflow soldering machine, is a kind of equipment that makes soldering paste melt by providing heating environment, so that surface mounted components and PCB (printed circuit board) pads are reliably combined together through soldering paste alloy, there is a heating circuit in the reflow soldering equipment, air or nitrogen is heated to high enough temperature and then blown to the circuit board on which components have been pasted, so that the solder on both sides of the component melts and is bonded with the mainboard, to improve work efficiency, conveying mechanism is usually added to the feeding end of the reflow soldering machine to feed.

[0003] However, the conventional conveying mechanism is usually designed for specific size and type of circuit board, when different size, shape or thickness of circuit board needs to be welded, part of the conveying mechanism needs to be replaced or adjusted, which is complicated to operate, poor in flexibility and applicability, thereby increasing the complexity and cost of production. SUMMARY

[0004] The utility model discloses a conveying mechanism applied to reflow soldering equipment can guide circuit boards of different sizes, shapes or thicknesses, effectively prevent circuit boards from deviating from the predetermined path, and make the circuit boards well adhere to the conveying belt, thereby enhancing the stability of the circuit boards during the conveying process and avoiding scratches on the board surface and loose components caused by vibration and collision.

[0005] The utility model discloses a conveying mechanism applied to reflow soldering equipment, including mounting frame, the mounting frame is installed with conveying structure, the conveying structure includes the roller, the mounting frame is rotatably connected with a plurality of rollers, the same conveying belt is wound on the outside of a plurality of rollers, the mounting frame is installed with the guide structure, the guide structure includes hydraulic rod, the mounting frame is installed with two hydraulic rods, two hydraulic rods are symmetrically arranged, the elongation end of hydraulic rod is fixedly connected with push rod, the end of push rod is fixedly connected with the fender, the fender is slidably connected with sliding plate, a plurality of gyro wheels are rotatably connected on the sliding plate, the circuit board is placed on the conveying belt, the gyro wheel is rotatably connected with the circuit board, the mounting frame is installed with the adjusting structure.

[0006] Preferably, the push rod is in "L" shape structure, and the push rod is perpendicular to the fender.

[0007] Preferably, the fender is fixedly connected with a first guide rod, the mounting frame is installed with a connecting block, and the first guide rod is slidably connected with the connecting block.

[0008] Preferably, a screw rod is rotationally connected in the blocking strip, and the sliding plate is threadedly connected with the screw rod.

[0009] Preferably, two second guide rods are fixedly connected on the blocking strip, and the sliding plate is slidingly connected with the second guide rods.

[0010] Preferably, a motor is installed on the mounting frame, a belt pulley is fixedly connected on the output shaft of the motor and one of the carrier rollers, and the same belt is wound on the two belt pulleys.

[0011] Preferably, the adjusting structure comprises sliding rods, two sliding rods are slidingly connected at the ends of the mounting frame, an adjusting roller is rotationally connected between the two sliding rods, and the adjusting roller is in abutment with the conveying belt.

[0012] Preferably, a screw rod is rotationally connected on the mounting frame, and one of the sliding rods is threadedly connected with the screw rod.

[0013] Preferably, a rotating rod is slidingly connected at the end of the screw rod, and the rotating rod is perpendicular to the screw rod.

[0014] Preferably, the sliding rod has an "L"-shaped structure, and four universal wheels are fixedly connected at the bottom end of the mounting frame.

[0015] The mounting frame is provided with two hydraulic rods, the two hydraulic rods are symmetrically arranged, the elongated end of the hydraulic rod is fixedly connected with a push rod, the end of the push rod is fixedly connected with a blocking strip, the blocking strip is slidingly connected with a sliding plate, the sliding plate is rotationally connected with a plurality of rollers, the conveying belt is provided with a circuit board, and the rollers are rollingly connected with the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic view of the overall structure of the utility model; Figure 1 It is an enlarged schematic view of the A part structure shown in the figure;

[0018] Figure 3 It is a schematic view of the connection structure of the carrier roller and the conveying belt of the utility model;

[0019] Figure 4 It is a schematic view of the connection structure of the carrier roller and the conveying belt of the utility model;Figure 3 B part structure enlarged schematic view as shown in the figure;

[0020] Figure 5 The connecting structure schematic view of the screw rod and the slide rod of the utility model is shown in the figure;

[0021] Figure 6 The connecting structure schematic view of the mounting frame and the universal wheel of the utility model is shown in the figure;

[0022] Figure 7 For Figure 6 C part structure enlarged schematic view as shown in the figure.

[0023] In the figure: 1, mounting frame;2, conveying structure;201, carrier roller;202, conveying belt;203, motor;204, pulley;205, belt;3, adjusting structure;301, screw rod;302, slide rod;303, rotating rod;304, adjusting roller 4, guide structure;401, hydraulic rod;402, push rod;403, baffle;404, slide plate;405, roller;406, first guide rod;407, connecting block;408, second guide rod;409, screw;5, circuit board;6, universal wheel. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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.

[0025] Please refer to Figures 1-7As shown in the drawing, a conveying mechanism applied to a reflow soldering device, comprising a mounting frame 1, a conveying structure 2 is installed on the mounting frame 1, the conveying structure 2 comprises a plurality of supporting rollers 201, a plurality of the supporting rollers 201 are rotatably connected on the mounting frame 1, an outer part of the plurality of supporting rollers 201 is wound with a same conveying belt 202, a guide structure 4 is installed on the mounting frame 1, the guide structure 4 comprises a plurality of hydraulic rods 401, two hydraulic rods 401 are symmetrically arranged on the mounting frame 1, an elongated end of the hydraulic rod 401 is fixedly connected with a push rod 402, an end of the push rod 402 is fixedly connected with a blocking strip 403, the blocking strip 403 is slidably connected with a sliding plate 404, a plurality of rollers 405 are rotatably connected on the sliding plate 404, a circuit board 5 is placed on the conveying belt 202, the rollers 405 are rollingly connected with the circuit board 5, the push rod 402 is in L-shaped structure, the push rod 402 is perpendicular to the blocking strip 403, a screw rod 409 is rotatably connected in the blocking strip 403, the sliding plate 404 is threadedly connected with the screw rod 409, and an adjusting structure 3 is installed on the mounting frame 1.

[0026] As a technical optimization scheme of the utility model, the blocking strip 403 is fixedly connected with a first guide rod 406, a connecting block 407 is installed on the mounting frame 1, the first guide rod 406 is slidably connected with the connecting block 407, the blocking strip 403 is fixedly connected with two second guide rods 408, and the sliding plate 404 is slidably connected with the second guide rod 408.

[0027] As a technical optimization scheme of the utility model, a motor 203 is installed on the mounting frame 1, a belt pulley 204 is fixedly connected on an output shaft of the motor 203 and one of the supporting rollers 201, and a same belt 205 is wound on the two belt pulleys 204; the motor 203 is started, the motor 203 drives the supporting roller 201 provided with the belt pulley 204 to rotate through the belt 205, the supporting roller 201 rotates and drives the conveying belt 202 to move through friction force, the conveying belt 202 moves and drives other supporting rollers 201 to rotate, so that the conveying belt 202 drives the circuit board 5 to move to the inside of the reflow soldering device, thereby improving the working efficiency during feeding.

[0028] As a technical optimization scheme of the utility model, the adjusting structure 3 includes slide rod 302, the end of mounting bracket 1 is slidably connected with two slide rods 302, two slide rods 302 are rotatably connected with adjusting roller 304, adjusting roller 304 is in contact with conveying belt 202, mounting bracket 1 is rotatably connected with lead screw 301, one of slide rods 302 is threadedly connected with lead screw 301;When conveying mechanism is long-term operated, conveying belt 202 and other components are easy to wear, leading to uneven tension of conveying belt 202, rotating rotating rod 303, rotating rod 303 drives lead screw 301 to rotate, lead screw 301 rotates and threadedly drives slide rod 302 to slide to the outside of mounting bracket 1, slide rod 302 drives adjusting roller 304 to move, so that adjusting roller 304 is in contact with conveying belt 202, conveying belt 202 is always in the state of being straightened, so that conveying belt 202 keeps the stability and high precision of conveying circuit board 5.

[0029] As a technical optimization scheme of the utility model, the end of lead screw 301 is slidably connected with rotating rod 303, rotating rod 303 is perpendicular to lead screw 301;Rotating rod 303 drives lead screw 301 to rotate by rotating, and the setting of rotating rod 303 facilitates the rotation of lead screw 301.

[0030] As a technical optimization scheme of the utility model, the cross section of slide rod 302 is in the shape of "L" structure, and the bottom end of mounting bracket 1 is fixedly connected with four universal wheels 6;The setting of universal wheel 6 facilitates the movement of conveying mechanism.

[0031] The utility model discloses a kind of circuit board conveying mechanisms, including conveying belt 202, two push rods 402, two hydraulic rods 401, two blocking bars 403, two guide rods 406, two guide rods 408, two sliding plates 404, two rollers 405, two adjusting rollers 304, two slide rods 302, two mounting frames 1, two screws 301, two rotating rods 303, two motor 203, two pulleys 204, two belts 205 and two universal wheels 6, two push rods 402 are arranged on the two sides of conveying belt 202, two hydraulic rods 401 are arranged on the two sides of two push rods 402, two blocking bars 403 are arranged on the two sides of two hydraulic rods 401, two guide rods 406 are arranged on the two sides of two blocking bars 403, two guide rods 408 are arranged on the two sides of two guide rods 406, two sliding plates 404 are arranged on the two sides of two guide rods 408, two rollers 405 are arranged on the two sides of two sliding plates 404, two adjusting rollers 304 are arranged on the two sides of two rollers 405, two slide rods 302 are arranged on the two sides of two adjusting rollers 304, two mounting frames 1 are arranged on the two sides of two slide rods 302, two screws 301 are arranged on the two sides of two mounting frames 1, two rotating rods 303 are arranged on the two sides of two screws 301, two motor 203 are arranged on the two sides of two rotating rods 303, two pulleys 204 are arranged on the two sides of two motor 203, two belts 205 are arranged on the two sides of two pulleys 204, two universal wheels 6 are arranged on the two sides of two belts 205.

[0032] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0033] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A conveyor mechanism for use in a reflow soldering apparatus, comprising a mounting frame (1), characterised in that: The mounting frame (1) is provided with a conveying structure (2), the conveying structure (2) comprises a plurality of supporting rollers (201), a plurality of the supporting rollers (201) are rotatably connected to the mounting frame (1), and the same conveying belt (202) is wound outside the plurality of supporting rollers (201); a guide structure (4) is mounted on the mounting frame (1), the guide structure (4) comprises two hydraulic rods (401), the two hydraulic rods (401) are symmetrically arranged, the elongated end of the hydraulic rod (401) is fixedly connected with a push rod (402), the end of the push rod (402) is fixedly connected with a blocking strip (403), the blocking strip (403) is slidably connected with a sliding plate (404), a plurality of rollers (405) are rotatably connected to the sliding plate (404), the circuit board (5) is placed on the conveying belt (202), the rollers (405) are rollingly connected with the circuit board (5), and an adjusting structure (3) is mounted on the mounting frame (1).

2. A conveyor mechanism for use in a reflow soldering apparatus according to claim 1, characterized in that: The push rod (402) is in an "L" shape structure, and the push rod (402) is perpendicular to the blocking strip (403).

3. A conveyor mechanism for use in a reflow soldering apparatus according to claim 2, wherein: The first guide rod (406) is fixedly connected to the blocking strip (403), a connecting block (407) is mounted on the mounting frame (1), and the first guide rod (406) is slidably connected with the connecting block (407).

4. The conveyor mechanism for use in a reflow soldering apparatus according to claim 3, wherein: The screw rod (409) is rotatably connected in the blocking strip (403), and the sliding plate (404) is threadedly connected with the screw rod (409).

5. A conveyor mechanism for use in a reflow soldering apparatus according to claim 4, wherein: The second guide rod (408) is fixedly connected to the blocking strip (403), and the sliding plate (404) is slidably connected with the second guide rod (408).

6. The conveyor mechanism for use in a reflow soldering apparatus according to claim 1, wherein: The motor (203) is mounted on the mounting frame (1), the output shaft of the motor (203) and one of the supporting rollers (201) are fixedly connected with the same belt pulley (204), and the same belt (205) is wound on the two belt pulleys (204).

7. The conveyor mechanism for use in a reflow soldering apparatus according to claim 1, wherein: The adjusting structure (3) comprises a sliding rod (302), two sliding rods (302) are slidably connected to the ends of the mounting frame (1), an adjusting roller (304) is rotatably connected between the two sliding rods (302), and the adjusting roller (304) abuts against the conveying belt (202).

8. A conveyor mechanism for use in a reflow soldering apparatus according to claim 7, wherein: The mounting frame (1) is rotatably connected with a lead screw (301), and one of the sliding rods (302) is threadedly connected with the lead screw (301).

9. A conveyor mechanism for use in a reflow soldering apparatus according to claim 8, wherein: The end of the lead screw (301) is slidably connected with a rotating rod (303), and the rotating rod (303) is perpendicular to the lead screw (301).

10. The conveyor mechanism for use in a reflow soldering apparatus according to claim 8, wherein: The cross section of the sliding rod (302) is in an "L" shape structure, and four universal wheels (6) are fixedly connected to the bottom end of the mounting frame (1).

Images