TWM607613U - Substrate baking apparatus - Google Patents

Abstract

A substrate baking equipment, comprising: a box body with a baking channel; a baking device, the baking device from the outside of the box into the baking channel into the air and heating; and a carrying device, including a plurality of sprockets , A chain and a hanger, the hanger is used to clamp the base plate, the chain abuts on a plurality of sprockets and moves the hanger with the rotation of the sprocket, wherein at least one sprocket has a plurality of bearings, and the plurality of bearings are The chain is arranged in a ring shape, and the chain abuts against a plurality of rotatable bearings, and the rotation axis of the plurality of bearings is parallel to the rotation axis of the sprocket. Because the bearing will rotate in the direction of the force and reduce the friction with the chain, it can reduce the generation of dust.

Description

Substrate baking equipment

This creation is related to a substrate manufacturing equipment, especially a substrate baking equipment.

In order to manufacture a printed circuit board, it needs to go through complicated manufacturing steps, such as cutting, etching, coating ink, baking, drilling, etc., which are processed by corresponding substrate manufacturing equipment. Among them, after coating the ink on the surface of the substrate, a substrate baking device is used to bake and harden the ink on the surface of the substrate.

During the baking process, the substrate is carried by the carrier device in the substrate baking equipment. During the operation of the carrier device, the abrasion between the components of the carrier device will generate dust, which will affect the cleanliness of the substrate baking equipment. These dusts have a great impact on the precision printed circuit board, and the deterioration of cleanliness will cause the yield of the board to decrease. Among them, the abrasion between the chain and the sprocket is a major source of dust. Therefore, it is necessary to provide a substrate baking equipment that can reduce the wear between the chain and the sprocket.

Therefore, the purpose of this creation is to provide a substrate baking equipment that can reduce the wear between the chain and the sprocket.

The technical means used in this creation to solve the problems of the conventional technology is to provide a substrate baking equipment, including: a cabinet with a baking channel in the cabinet; a baking device arranged in the cabinet, the baking The roasting device enters the roasting channel from outside the box and heats it; and a carrying device is arranged in the box. The carrying device includes a driving member, a plurality of sprockets, a chain, and a hanger, The driving member drives a plurality of the sprockets to rotate, the hanger is arranged on the chain to clamp the base plate, the chain abuts against the plurality of sprockets and moves the hanger with the rotation of the sprocket, wherein , At least one of the sprocket has a plurality of bearings, the plurality of the bearings are arranged in a ring with the center of the sprocket as the center, the chain abuts the plurality of the bearings, the plurality of the bearings are rotatable, and the plurality of the bearings are individually The axis of rotation is parallel to the axis of rotation of the sprocket.

In an embodiment of the present creation, a substrate baking equipment is provided, which further includes a suction duct and a suction device. The suction duct is arranged beside the chain, and the suction duct is provided with a plurality of suction openings. , The plurality of air suction openings are facing the chain, and the air suction device is connected to the air suction duct to suck the air in the air suction duct to the outside of the box body.

In an embodiment of the present invention, a substrate baking device is provided, and the air suction duct is arranged on the lower side of the chain and supports the chain.

In an embodiment of the present invention, a substrate baking equipment is provided. Each suction duct is provided with two suction devices, which are respectively connected to two opposite ends of the suction duct.

In an embodiment of the present invention, a substrate baking device is provided, one of the sprocket is a driving wheel, and the teeth of the sprocket are meshed with the chain.

In an embodiment of the present invention, a substrate baking equipment is provided, and the rollers of a plurality of the bearings are cylindrical.

Through the technical means used in the substrate baking equipment of this creation, a rotatable bearing is provided on the sprocket. Thereby, when the chain is in contact with the bearing on the sprocket, the bearing will rotate corresponding to the direction of the force to reduce the friction with the chain. Due to the reduction of the wear between the chain and the sprocket, the generation of dust can be correspondingly reduced, thereby improving the cleanliness of the box and the yield of the product.

In some of the embodiments, the substrate baking equipment of the invention is also provided with suction ducts and suction devices, which are arranged on the side of the chain to make the wear between the chain and the sprocket and the wear between the links of the chain. , The abrasion between the chain and its support...etc. The dust produced can be drawn out of the box by the suction device through the suction duct, which can further improve the cleanliness of the box and the yield of the product.

The following describes the implementation of this creation based on Figures 1 to 5. This description is not intended to limit the implementation of this creation, but is a kind of embodiment of this creation.

As shown in FIGS. 1 to 5, a substrate baking equipment 100 according to an embodiment of the present creation includes: a cabinet 1, a baking device 2, a carrier device 3, and a suction duct 4 And an air extraction device 5.

In order to show the components inside the box 1, the sprocket 31, part of the chain 32, the hanger 33 and the air extraction device 5 are omitted in FIG. 1.

As shown in Figures 1 and 2, the box 1 has a baking channel 11 inside. Two sides of the baking channel 11 are provided with furnace inspection doors 12 so that maintenance personnel can inspect the components inside the baking channel 11 from both sides of the baking channel 11.

As shown in FIGS. 2 and 3, the baking device 2 is installed in the box 1. The baking device 2 includes an air intake member 21, a heating member 22, an air intake filter member 23 and a hot air filter member 24. The arrows in Figure 3 indicate the direction of airflow. The air intake member 21 passes through the air intake filter member 23 from the outside of the case 1 to enter the case 1. The heating member 22 is an electric heater, which heats the air entering the box 1 and heats the air to a degree sufficient to solidify the ink on the surface of the substrate S. The heated air enters the baking passage 11 through the hot air filter member 24. The hot air filter member 24 is a high-efficiency particulate air filter (HEPA) to ensure that the air entering the baking channel 11 is clean.

The carrying device 3 is installed in the box 1 to carry the substrate S from one end of the baking channel 11 to the other end. While the carrier device 3 carries the substrate S, the baking device 2 blows heated air to the baking channel 11 to bake the ink on the surface of the substrate S.

In detail, as shown in FIGS. 2 to 4, the carrying device 3 includes a driving member (not shown), a plurality of sprockets 31, 31', a chain 32, and a hanger 33. The driving member is a motor, which drives the sprockets 31, 31' to rotate. The chain 32 is a roller chain, and in this embodiment, two are provided on both sides of the baking channel 11. The hanger 33 is installed on the chain 32. The hanger 33 includes a connecting rod 331 and a clamp 332. The two chains 32 are connected to each other through a connecting rod 331 between them. The clamp 332 is symmetrically arranged on the connecting rod 331 for clamping the substrate S. In this embodiment, the clamp 332 is a four-jaw clamp. As shown in Figure 4, each chain 32 abuts the outer edges of the four sprockets 31, 31' and moves the hanger 33 along with the rotation of the sprockets 31, 31'. Of course, in other embodiments, the number of chains 32 may be one or more than two, and the number of sprockets 31 provided corresponding to one chain 32 may also be other than four.

Part or all of the sprocket 31, 31' corresponding to each chain 32 is provided with a plurality of bearings 311. In this embodiment, among the four sprockets 31, 31' against which each chain 32 abuts, three sprockets 31 have a plurality of bearings 311, and one sprocket 31' is not provided with a bearing. The bearing-less sprocket 31' is a driving wheel, and the teeth of the sprocket 31' mesh with the chain 32 to ensure that the chain 32 is driven by the sprocket 31'.

The bearings 311 are arranged annularly with the center of the sprocket 31 to which they belong, and each bearing 311 is arranged at equal angular intervals with the adjacent bearing 311. Each bearing 311 is a rolling bearing and is rotatable, and the rotation axis of each bearing 311 is parallel to the rotation axis of the sprocket 31. In Figure 4, the direction of the axis of rotation of each bearing 311 and sprockets 31, 31' is perpendicular to the paper. The chain 32 abuts on the rollers 312 of the plurality of bearings 311 and engages with the recesses between the rollers 312. Thereby, when the chain 32 contacts the bearing 311 during the operation of the carrying device 3, the bearing 311 will rotate corresponding to the direction of force to reduce the friction with the chain 32. Due to the reduction of the abrasion between the chain 32 and the sprocket 31, the generation of dust can be reduced, and the cleanliness of the box 1 and the yield of the product can be improved.

In this embodiment, the rollers 312 of the plural bearings 311 are cylindrical. In other embodiments, the roller 312 of the bearing 311 may also be spherical or tapered.

In this embodiment, as shown in FIG. 5, the suction duct 4 is connected to the suction device 5. The suction duct 4 is arranged beside the chain 32. The suction device 5 sucks the air in the suction duct 4 to the outside of the box 1. The air extraction device 5 may be installed in the box 1 or outside the box 1. Two suction ducts 4 are provided corresponding to the number of chains 32. The suction duct 4 is provided with a plurality of suction openings 41, and the suction openings 41 are facing the chain 32, so that the abrasion between the chain 32 and the sprocket 31, the abrasion between the links of the chain 32, the chain 32 and its support (in In this embodiment, the dust produced by the abrasion between the suction duct 4) can be drawn out of the box 1 by the suction device 5 through the suction duct 4, thereby further improving the cleanliness of the box 1 and the product quality Yield. Of course, in other embodiments, the suction duct 4 and the suction device 5 may not be provided, and the sprocket 31 provided with the bearing 311 has the effect of improving the cleanliness of the box 1 and the product yield.

The suction duct 4 can be arranged on the upper, lower, left, and right sides of the chain 32 to achieve the effect of sucking dust. In this embodiment, the suction duct 4 is arranged under the chain 32 and supports the chain 32 so that the suction duct 4 can maintain the substrate S clamped by the chain 32 and the hanger 33 at a fixed height.

In this embodiment, as shown in Figure 5, each suction duct 4 of the substrate baking equipment 100 of the embodiment of the invention is provided with two suction devices 5, which are respectively connected to two opposite sides of the suction duct 4. end. The arrows shown in Figure 5 indicate the direction of airflow. Compared with the embodiment in which each suction duct 4 is provided with only one suction device 5, in this embodiment, the phenomenon that the suction force of each suction port 41 decays with distance can be reduced to make the suction force more uniform.

With the above structure, the substrate baking equipment 100 of the embodiment of the invention reduces the generation of dust through the sprocket 31 provided with the bearing 311, and extracts the generated dust out of the box 1 through the suction duct 4 and the air extraction device 5. , In order to improve the cleanliness of the cabinet 1, thereby reducing the frequency of shutdown and maintenance, and achieving the effect of saving maintenance time and labor costs.

The above descriptions and descriptions are only descriptions of the preferred embodiments of this creation. Those with ordinary knowledge of this technology should make other modifications based on the scope of patent application defined below and the above descriptions, but these modifications should still be made. It is the creative spirit of this creation and within the scope of the rights of this creation.

100: substrate baking equipment 1: cabinet 11: Baking channel 11: Cabinet 12: Inspection door in the furnace 2: Baking device 21: intake components 22: Heating component 23: intake filter component 24: Hot air filter component 3: Carrying device 31: Sprocket 31’: Sprocket 311: Bearing 312: Roller 32: chain 33: Hanger 331: connecting rod 332: Fixture 4: Suction duct 41: Exhaust Port 5: Air extraction device S: substrate

[Figure 1] is a three-dimensional schematic diagram showing part of a substrate baking equipment according to an embodiment of the present creation; [Figure 2] is a schematic front view showing the inside of the substrate baking device according to the embodiment of the present creation; [Figure 3] is a schematic front view showing the gas flow inside the substrate baking equipment according to the embodiment of the present creation; [Figure 4] is a schematic side view showing the carrier device of the substrate baking equipment according to the embodiment of the present creation; [Figure 5] A schematic side view showing the carrying device, the suction duct and the suction device of the substrate baking equipment according to the embodiment of the present creation.

31: Sprocket

31’: Sprocket

311: Bearing

312: Roller

32: chain

332: Fixture

Claims (6)

A substrate baking equipment includes: a box body with a baking channel in the box body; a baking device arranged in the box body, and the baking device enters and heats the baking channel from outside the box body And a carrying device arranged in the box, the carrying device includes a drive member, a plurality of sprockets, a chain and a hanger, the drive member drives a plurality of the sprockets to rotate, the hanger is arranged in The chain is used to clamp the base plate, and the chain abuts against a plurality of the sprocket and moves the hanger with the rotation of the sprocket, wherein at least one of the sprocket has a plurality of bearings, and the plurality of bearings is The center of the sprocket is arranged in an annular shape, the chain abuts on a plurality of the bearings, the plurality of the bearings are rotatable, and the individual rotation axes of the plurality of the bearings are parallel to the rotation axis of the sprocket. For example, the substrate baking equipment of claim 1, further comprising a suction duct and a suction device, the suction duct is arranged beside the chain, the suction duct is provided with a plurality of suction openings, and a plurality of the suction openings To face the chain, the air suction device is connected to the suction duct to suck the air in the suction duct to the outside of the box. Such as the substrate baking equipment of claim 2, wherein the suction duct is arranged on the lower side of the chain and supports the chain. For example, the substrate baking equipment of claim 2, wherein each of the suction ducts is provided with two suction devices, which are respectively connected to two opposite ends of the suction duct. For example, in the substrate baking equipment of claim 1, one of the sprocket wheels is a driving wheel, and the teeth of the sprocket wheel mesh with the chain. Such as the substrate baking equipment of claim 1, wherein the plurality of rollers of the bearing are cylindrical.

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