Feeding plate aligning mechanism

Abstract

The invention relates to a fed plate aligning mechanism. The fed plate aligning mechanism comprises a supporting assembly, a first conveying assembly and a second conveying assembly. The first conveying assembly and the second conveying assembly are both installed on the supporting assembly. The supporting assembly comprises two mounting plates and a supporting shaft; and the supporting shaft is fixed between the two mounting plates. Compared with the prior art, when the plate feeding alignment mechanism works, when a product enters the mechanism from the upstream, the product entering first waits for another product to enter the same position at an inlet of the vacuum reflow oven, and after the two products are aligned, the two products are fed into a hearth at the same speed and synchronously reach a vacuum cavity, so that the product feeding efficiency is improved. Risks of plate collision and plate clamping of products can be effectively reduced, and product quality and production capacity are improved.

Description

Technical Field

[0001] The invention relates to the technical field of SMT reflow soldering furnace equipment, and in particular to a board feeding alignment mechanism. Background Art

[0002] There are working equipment with different functions in the SMT production line. The reflow oven is a kind of equipment required for the SMT process. The reflow oven process is to achieve the mechanical and electrical connection between the solder ends or pins of the surface mounted components and the pads of the printed circuit board by re-melting the paste solder pre-distributed to the pads of the printed circuit board.

[0003] The reflow oven is the last key process of SMT (surface mount technology). When two products enter the vacuum reflow oven from upstream equipment, due to the difference in transmission speeds of the two devices or due to human factors, the timing of the products entering the vacuum reflow oven is abnormal, resulting in the products being out of sync in front of the vacuum chamber and the vacuum door opening or closing being abnormal, affecting product quality and production capacity.

[0004] CN107777219A discloses an SMT automated transmission method, which sequentially starts a first main conveyor belt connected to a reflow furnace and a first sub-conveyor belt connected to the first main conveyor belt, and then sequentially starts at least one remaining first sub-conveyor belt at a predetermined time interval; the above method is to sequentially start at least one first sub-conveyor belt arranged behind a first sub-conveyor belt connected to the first main conveyor belt at a set time interval, so that products of different first sub-conveyor belts can be sequentially arranged on the first main conveyor belt when they move to the first main conveyor belt. However, this method starts the conveyor belts at a set time interval, which makes it difficult to reduce the uncontrollable factors of the speed of the two devices, and it is impossible to align the products of different transmission groups so that they enter the reflow furnace at the same time, and it is also impossible to reduce the interference of human factors.

[0005] Therefore, there is an urgent need for a plate feed alignment mechanism to reduce the uncontrollable factors of the speed of the two devices and also reduce the interference of human factors. Summary of the invention

[0006] The purpose of the present invention is to provide a plate entry alignment mechanism to overcome the defects of the above-mentioned prior art, which replaces the original vacuum reflow furnace inlet transmission mechanism. The mechanism in this scheme is provided with two transmission components, and the transmission components include motors, sensors, guide rails, chains and other components. When the product enters the plate entry alignment mechanism from the upstream, the product that enters first will wait at the entrance of the vacuum reflow furnace for the other product to enter the same position. When the two products are aligned, the two products will be sent into the furnace at the same speed and arrive at the vacuum chamber synchronously, which can effectively reduce the risk of product collision and clamping, and improve product quality and production capacity.

[0007] The purpose of the present invention can be achieved by the following technical solutions:

[0008] The object of the present invention is to provide a plate-feeding alignment mechanism, which comprises: a support assembly, a first transmission assembly, and a second transmission assembly; the first transmission assembly and the second transmission assembly are both mounted on the support assembly; the support assembly comprises two mounting plates and a support shaft; the support shaft is fixed between the two mounting plates; the first transmission assembly comprises a first transmission shaft, a first guide rail I, a first guide rail II, a first guide rail support plate, a first movable guide rail support plate, and a first screw rod; the first guide rail support plate and the first movable guide rail support plate are mounted on the support shaft; the first transmission shaft is mounted on the first guide rail support plate and the first movable guide rail support plate; the first screw rod is mounted on the first guide rail support plate and the first movable guide rail support plate; the first transmission shaft, the first A wire rod is fixed on the mounting plate; the first guide rail I is mounted on the first guide rail support plate; the first guide rail II is mounted on the first movable guide rail support plate; the second transmission assembly includes a second transmission shaft, a second guide rail I, a second guide rail II, a second guide rail support plate, a second movable guide rail support plate, and a second wire rod; the second guide rail support plate and the second movable guide rail support plate are mounted on the support shaft; the second transmission shaft is mounted on the second guide rail support plate and the second movable guide rail support plate; the second wire rod is mounted on the second guide rail support plate and the second movable guide rail support plate; the second transmission shaft and the second wire rod are both fixed on the mounting plate; the second guide rail I is mounted on the second guide rail support plate; the second guide rail II is mounted on the second movable guide rail support plate.

[0009] Furthermore, the first transmission component also includes a first motor and a first gear; the first motor is mounted on one of the mounting plates; the first gear is mounted on one end of the first transmission shaft; the first motor and the first gear are connected by a chain; the second transmission component also includes a second motor and a second gear; the second motor is mounted on another mounting plate; the second gear is mounted on one end of the second transmission shaft; the second motor and the second gear are connected by a chain.

[0010] Furthermore, the first transmission component also includes a first sensor I, a first sensor II, and a second sensor III; the first sensor I, the first sensor II, and the second sensor III are all installed on the first guide rail I and the first guide rail support plate; the second transmission component also includes a second sensor I, a second sensor II, and a third sensor III; the second sensor I, the second sensor II, and the third sensor III are all installed on the second guide rail I and the second guide rail support plate.

[0011] Furthermore, the positions of the first sensor I and the second sensor I are aligned; the positions of the first sensor II and the second sensor II are aligned; and the positions of the second sensor III and the third sensor III are aligned.

[0012] Furthermore, the board feed alignment mechanism is installed on the reflow furnace through fasteners.

[0013] Furthermore, the reflow oven is a vacuum reflow oven.

[0014] Furthermore, the fastener is a screw.

[0015] Furthermore, the first guide rail support plate, the first movable guide rail support plate, the second guide rail support plate, the second movable guide rail support plate, and the two mounting plates are arranged in parallel; the first guide rail support plate, the first movable guide rail support plate, the second movable guide rail support plate, and the second guide rail support plate are arranged in sequence between the two mounting plates.

[0016] Furthermore, the first transmission shaft, the second transmission shaft, the first screw rod, the second screw rod, and the support shaft are arranged in parallel; the first transmission shaft, the second transmission shaft, the first screw rod, the second screw rod, and the support shaft all pass through one of the mounting plates, the first guide rail support plate, the first movable guide rail support plate, the second movable guide rail support plate, the second guide rail support plate, and another mounting plate in sequence.

[0017] Furthermore, the first guide rail support plate, the first movable guide rail support plate, the second guide rail support plate, the second movable guide rail support plate, and the two mounting plates are all provided with corresponding mounting holes for the first transmission shaft, the second transmission shaft, the first screw rod, the second screw rod, and the support shaft to pass through.

[0018] Furthermore, the number of the support shafts is 2.

[0019] After assembly, the first guide rail I and the first guide rail II, and the second guide rail I and the second guide rail II respectively form two product transmission channels, each of which is controlled by a corresponding motor.

[0020] The working method of the above-mentioned plate feeding alignment mechanism comprises the following steps:

[0021] When the first sensor I senses the product entering, the first motor starts. When the product reaches the first sensor II position, the first motor stops and waits for another product to reach the second sensor II position. When the two products reach the first sensor II and the second sensor II positions and align, the first motor and the second motor start to send the two products into the furnace. After the second sensor III and the third sensor III sense the product, the vacuum door opening time is determined, so that the two products can enter the vacuum chamber smoothly for production at the same time. Improve product quality and production capacity.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1) The technical solution provides a plate feed alignment mechanism, which is provided with two transmission components, and the transmission components include motors, sensors, guide rails, chains and other components. When the product enters the plate feed alignment mechanism from the upstream, the product that enters first will wait at the entrance of the vacuum reflow furnace for the other product to enter the same position. When the two products are aligned, the two products will be sent into the furnace at the same speed and arrive at the vacuum chamber synchronously, which can effectively reduce the risk of product collision and clamping, and improve product quality and production capacity.

[0024] 2) The board feed alignment mechanism provided by the technical solution has a compact structure and is easy to install. All parts of the mechanism can be assembled into one assembly part, which can be installed on the vacuum reflow furnace with fasteners;

[0025] 3) The board feed alignment mechanism provided by the technical solution has strong compatibility and can be applied to different types of reflow ovens;

[0026] 4) The plate feeding alignment mechanism provided by the technical solution operates stably and smoothly, and does not cause product vibration or jamming, which can improve product quality and production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a structural diagram of the plate feed alignment mechanism in this technical solution.

[0028] Figure 2 This is an exploded view of the plate feed alignment mechanism in this technical solution.

[0029] The numbers in the figure show:

[0030] 1. Mounting plate, 2. Support shaft, 301. First motor, 302. Second motor, 401. First transmission shaft, 402. Second transmission shaft, 501. First guide rail I, 502. Second guide rail I, 601. First guide rail II, 602. Second guide rail II, 701. First guide rail support plate, 702. Second guide rail support plate, 801. First movable guide rail support plate, 802. Second movable guide rail support plate, 901. First lead screw, 902. Second lead screw, 1001. First gear, 1002. Second gear, 1101. First sensor I, 1102. Second sensor I, 1201. First sensor II, 1202. Second sensor II, 1301. Second sensor III, 1302. Third sensor III. DETAILED DESCRIPTION

[0031] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. The features such as component models, material names, connection structures, control methods, etc. that are not clearly described in this technical solution are all regarded as common technical features disclosed in the prior art.

[0032] Example

[0033] like Figures 1-2 As shown, this embodiment provides a board feed alignment mechanism, which is installed on the vacuum reflow furnace by screws.

[0034] The plate-feeding alignment mechanism comprises: a supporting assembly, a first transmission assembly, and a second transmission assembly; the first transmission assembly and the second transmission assembly are both installed on the supporting assembly.

[0035] The support assembly comprises two mounting plates 1 and two support shafts 2 ; the two support shafts 2 are both fixed between the two mounting plates 1 .

[0036] The first transmission assembly includes a first motor 301, a first transmission shaft 401, a first guide rail I501, a first guide rail II601, a first guide rail support plate 701, a first movable guide rail support plate 801, a first screw rod 901, and a first gear 1001; the first guide rail support plate 701 and the first movable guide rail support plate 801 are installed on the support shaft 2; the first transmission shaft 401 is installed on the first guide rail support plate 701 and the first movable guide rail support plate 801; the first screw rod 901 is installed on the first gear 1001. A guide rail support plate 701 and a first movable guide rail support plate 801; the first transmission shaft 401 and the first screw rod 901 are both fixed on the mounting plate 1; the first guide rail I501 is installed on the first guide rail support plate 701; the first guide rail II601 is installed on the first movable guide rail support plate 801; the first motor 301 is installed on one of the mounting plates 1; the first gear 1001 is installed on one end of the first transmission shaft 401; the first motor 301 and the first gear 1001 are connected by a chain.

[0037] The second transmission assembly includes a second motor 302, a second transmission shaft 402, a second guide rail I502, a second guide rail II602, a second guide rail support plate 702, a second movable guide rail support plate 802, a second screw rod 902, and a second gear 1002; the second guide rail support plate 702 and the second movable guide rail support plate 802 are mounted on the support shaft 2; the second transmission shaft 402 is mounted on the second guide rail support plate 702 and the second movable guide rail support plate 802; the second screw rod 902 is mounted on The second guide rail support plate 702 and the second movable guide rail support plate 802; the second transmission shaft 402 and the second screw rod 902 are both fixed on the mounting plate 1; the second guide rail I502 is mounted on the second guide rail support plate 702; the second guide rail II602 is mounted on the second movable guide rail support plate 802; the second motor 302 is mounted on another mounting plate 1; the second gear 1002 is mounted on one end of the second transmission shaft 402; the second motor 302 and the second gear 1002 are connected by a chain.

[0038] The first transmission component also includes a first sensor I1101, a first sensor II1201 and a second sensor III1301; the first sensor I1101, the first sensor II1201 and the second sensor III1301 are all installed on the first guide rail I501 and the first guide rail support plate 701; the second transmission component also includes a second sensor I1102, a second sensor II1202 and a third sensor III1302; the second sensor I1102, the second sensor II1202 and the third sensor III1302 are all installed on the second guide rail I502 and the second guide rail support plate 702; the positions of the first sensor I1101 and the second sensor I1102 are aligned; the positions of the first sensor II1201 and the second sensor II1202 are aligned; the positions of the second sensor III1301 and the third sensor III1302 are aligned.

[0039] The above sensors are all through-beam optical fiber sensors, which are commonly used or purchased parts. Those skilled in the art are capable of selecting corresponding specifications, models and parameters according to actual needs.

[0040] The first guide rail support plate 701, the first movable guide rail support plate 801, the second guide rail support plate 702, the second movable guide rail support plate 802, and the two mounting plates 1 are arranged in parallel; the first guide rail support plate 701, the first movable guide rail support plate 801, the second movable guide rail support plate 802, and the second guide rail support plate 702 are arranged in sequence between the two mounting plates 1.

[0041] The first transmission shaft 401, the second transmission shaft 402, the first screw rod 901, the second screw rod 902, and the support shaft 2 are arranged in parallel; the first transmission shaft 401, the second transmission shaft 402, the first screw rod 901, the second screw rod 902, and the support shaft 2 all pass through one of the mounting plates 1, the first guide rail support plate 701, the first movable guide rail support plate 801, the second movable guide rail support plate 802, the second guide rail support plate 702, and the other mounting plate 1 in sequence.

[0042] The first guide rail support plate 701, the first movable guide rail support plate 801, the second guide rail support plate 702, the second movable guide rail support plate 802, and the two mounting plates 1 are provided with corresponding mounting holes for the first transmission shaft 401, the second transmission shaft 402, the first screw rod 901, the second screw rod 902, and the two support shafts 2 to pass through respectively.

[0043] After assembly, the first guide rail I501 and the first guide rail II601, the second guide rail I502 and the second guide rail II602 respectively form two product transmission channels, each of which is controlled by a corresponding motor.

[0044] The working method of the above-mentioned plate feeding alignment mechanism comprises the following steps:

[0045] When the first sensor I1101 senses the product entering, the first motor 301 starts. When the product reaches the position of the first sensor II1201, the first motor 301 stops and waits for another product to reach the position of the second sensor II1202. When the two products reach the first sensor II1201 and the second sensor II1202 and align, the first motor 301 and the second motor 302 start to send the two products into the furnace. After the second sensor III1301 and the third sensor III1302 sense the product, the vacuum door opening time is determined, so that the two products can enter the vacuum chamber smoothly for production at the same time. Improve product quality and production capacity.

[0046] The above-mentioned method for installing the plate feed alignment mechanism comprises the following steps:

[0047] The first guide rail support plate 701, the first guide rail support plate 701, the first movable guide rail support plate 801, and the second movable guide rail support plate 802 are respectively installed on the support shaft 2, and then the first transmission shaft 401, the first screw rod 901, the second transmission shaft 402, and the second screw rod 902 pass through and install on the first guide rail support plate 701, the first guide rail support plate 701, the first movable guide rail support plate 801, and the second movable guide rail support plate 802, and the first transmission shaft 401, the second transmission shaft 402, the first screw rod 901, the second screw rod 902 and the two support shafts 2 are respectively fixed on the mounting plate 1, and the first guide rail I 501 is installed on the first guide rail support plate 701; the first guide rail II601 is installed on the first movable guide rail support plate 801, the second guide rail I502 is installed on the second guide rail support plate 702; the second guide rail II602 is installed on the second movable guide rail support plate 802, the first motor 301 and the second motor 302 are installed on the two mounting plates 1 respectively, the first gear 1001 and the second gear 1002 are installed on the first transmission shaft 401 and the second transmission shaft 402 respectively, and the first gear 1001 and the first motor 301 are connected by a chain, and the second gear 1002 and the second motor 302 are connected. Finally, the sensor is installed.

[0048] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. A plate feed alignment mechanism, characterized in that: The plate feed alignment mechanism comprises: a support assembly, a first transmission assembly, and a second transmission assembly; The first transmission component and the second transmission component are both installed on the support component; The support assembly comprises two mounting plates (1) and a support shaft (2); The support shaft (2) is fixed between two mounting plates (1); The first transmission component comprises a first transmission shaft (401), a first guide rail I (501), a first guide rail II (601), a first guide rail support plate (701), a first movable guide rail support plate (801), and a first screw rod (901); the first guide rail support plate (701) and the first movable guide rail support plate (801) are both mounted on the support shaft (2); the first transmission shaft (401) is mounted on the first guide rail support plate (701) and the first movable guide rail support plate (801); the first screw rod (901) is mounted on the first guide rail support plate (701) and the first movable guide rail support plate (801); the first transmission shaft (401) and the first screw rod (901) are both fixed on the mounting plate (1); the first guide rail I (501) is mounted on the first guide rail support plate (701); the first guide rail II (601) is mounted on the first movable guide rail support plate (801); The second transmission component comprises a second transmission shaft (402), a second guide rail I (502), a second guide rail II (602), a second guide rail support plate (702), a second movable guide rail support plate (802), and a second screw rod (902); the second guide rail support plate (702) and the second movable guide rail support plate (802) are both mounted on the support shaft (2); the second transmission shaft (402) is mounted on the second guide rail support plate (702) and the second movable guide rail support plate (802); the second screw rod (902) is mounted on the second guide rail support plate (702) and the second movable guide rail support plate (802); the second transmission shaft (402) and the second screw rod (902) are both fixed on the mounting plate (1); the second guide rail I (502) is mounted on the second guide rail support plate (702); the second guide rail II (602) is mounted on the second movable guide rail support plate (802).

2. A plate feed alignment mechanism according to claim 1, characterized in that: The first transmission assembly also includes a first motor (301) and a first gear (1001); The first motor (301) is mounted on one of the mounting plates (1); The first gear (1001) is mounted on one end of the first transmission shaft (401); The first motor (301) is connected to the first gear (1001) via a chain; The second transmission assembly also includes a second motor (302) and a second gear (1002); The second motor (302) is mounted on another mounting plate (1); The second gear (1002) is mounted on one end of the second transmission shaft (402); The second motor (302) is connected to the second gear (1002) via a chain.

3. A plate feed alignment mechanism according to claim 2, characterized in that: The first transmission component also includes a first sensor I (1101), a first sensor II (1201) and a second sensor III (1301); The first sensor I (1101), the first sensor II (1201) and the second sensor III (1301) are all installed on the first guide rail I (501) and the first guide rail support plate (701); The second transmission component also includes a second sensor I (1102), a second sensor II (1202) and a third sensor III (1302); The second sensor I (1102), the second sensor II (1202) and the third sensor III (1302) are all installed on the second guide rail I (502) and the second guide rail support plate (702).

4. A plate feed alignment mechanism according to claim 3, characterized in that: The positions of the first sensor I (1101) and the second sensor I (1102) are aligned; The positions of the first sensor II (1201) and the second sensor II (1202) are aligned; The positions of the second sensor III (1301) and the third sensor III (1302) are aligned.

5. A plate feed alignment mechanism according to claim 1, characterized in that: The board feed alignment mechanism is installed on the reflow furnace through fasteners.

6. A plate feed alignment mechanism according to claim 5, characterized in that: The fastener is a screw.

7. A plate feed alignment mechanism according to claim 1, characterized in that: The first guide rail support plate (701), the first movable guide rail support plate (801), the second guide rail support plate (702), the second movable guide rail support plate (802), and the two mounting plates (1) are arranged in parallel; The first guide rail support plate (701), the first movable guide rail support plate (801), the second movable guide rail support plate (802), and the second guide rail support plate (702) are sequentially arranged between the two mounting plates (1).

8. A plate feed alignment mechanism according to claim 7, characterized in that: The first transmission shaft (401), the second transmission shaft (402), the first screw rod (901), the second screw rod (902), and the support shaft (2) are arranged in parallel; The first transmission shaft (401), the second transmission shaft (402), the first screw rod (901), the second screw rod (902), and the support shaft (2) all pass through one of the mounting plates (1), the first guide rail support plate (701), the first movable guide rail support plate (801), the second movable guide rail support plate (802), the second guide rail support plate (702), and another mounting plate (1) in sequence.

9. A plate feed alignment mechanism according to claim 8, characterized in that: The first guide rail support plate (701), the first movable guide rail support plate (801), the second guide rail support plate (702), the second movable guide rail support plate (802), and the two mounting plates (1) are all provided with corresponding mounting holes for the first transmission shaft (401), the second transmission shaft (402), the first screw rod (901), the second screw rod (902), and the support shaft (2) to pass through.

10. The plate feed alignment mechanism according to claim 1, characterized in that: The number of the supporting shafts (2) is 2.

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