CN210519072U - Substrate baking equipment - Google Patents

Abstract

A substrate baking device comprises a machine table body, a plurality of upper punching hole plates, a filtering device, a transfer device and an air inlet heating system. The machine body defines a baking space, a filtering space and an upper maintenance opening and is provided with two upper side frames which are respectively positioned at two sides of the baking space. The first bearing wall of each upper side frame is provided with a first mounting part and a first bearing part positioned on the opposite inner side of the first mounting part. The upper punch plate is detachably arranged on the first bearing parts of the two first bearing walls. The filtering device is arranged in the filtering space and comprises two brackets which are respectively arranged on the first installation part of the first bearing wall and a filter body which is connected with the brackets and is positioned above the upper punch plate at intervals. The upper perforated plate can be taken out or put in through the upper service opening without removing the filtering device or the transfer device.

Description

Substrate baking equipment

Technical Field

The utility model relates to a toast equipment, especially relate to a base plate toasts equipment.

Background

A substrate baking apparatus adapted to generate and circulate a heated gas to bake a coating on a surface of a circuit board is commonly utilized in a manufacturing process of the circuit board. The substrate baking equipment comprises a filtering device, a transfer device and an upper punch plate, wherein the filtering device is positioned above a baking space and used for filtering impurities in gas, the transfer device is arranged in the baking space and used for transferring the circuit board, and the upper punch plate is arranged between the filtering device and the transfer device and used for adjusting the gas to uniformly flow in the baking space. The substrate baking apparatus further includes an upper maintenance passage and a lower maintenance passage. An operator can replace and maintain the filtering device through the upper maintenance channel, and can maintain the transferring device or the heating device and the air supply device through the lower maintenance channel. However, the existing upper punch plate is disposed between the filtering device and the transferring device, and is locked under the brackets at two sides of the filtering device from bottom to top, when the operator wants to replace and clean the upper punch plate, the transferring device needs to be removed first, and then the upper punch plate can be removed from the brackets, which causes a very difficult replacement process, and the feeding end and the discharging end of the substrate baking equipment are usually connected with other devices such as substrate spraying equipment or discharging equipment, and the operator still needs to remove the substrate spraying equipment and the discharging equipment from the front end and the rear end of the substrate baking equipment first, and then the entire string of transferring device can be removed, so that the replacement of the upper punch plate needs to consume a lot of manpower and time cost.

Disclosure of Invention

One of the objectives of the present invention is to provide a substrate baking apparatus capable of overcoming the drawbacks of the prior art.

The utility model discloses a base plate toasts equipment is applicable to and toasts a plurality of circuit boards in some implementation modes appearance to contain board body, a plurality of upper punch hole board, filter equipment, move and carry the device, and the heating system that admits air. The machine body defines out toast the space, communicate in toast the filter space in space, and communicate in filter space's last maintenance mouth to have two and be located respectively toast the upside frame of the both sides in space, every upside frame defines out the track space, and has and be located the first bearing wall of track space top, first bearing wall has first installation department, and is located the first bearing portion of the relative inboard of first installation department. The upper punch plate is detachably disposed on the first bearing portion of the first bearing wall. The filtering device is arranged in the filtering space and comprises two brackets which are respectively arranged on the first mounting part of the first bearing wall and a filter body which is connected with the brackets and is positioned above the upper punch plate at intervals. The transfer device comprises two transmission modules which are respectively arranged in the track space, a plurality of cross rods which are connected with the transmission modules at two ends and cross over the baking space, and a plurality of clamps which are arranged on the cross rods and are suitable for clamping the circuit board to pass through the baking space. The air inlet heating system is arranged on the machine table body and is suitable for pumping air into the machine table body and heating the air, and then the air sequentially passes through the filtering device and the upper punch plate and enters the baking space.

In some embodiments, each upper punch plate includes a bearing disc body and a plurality of movable plates movably disposed on the bearing disc body, the bearing disc body has a plurality of first through holes, and each movable plate has a plurality of second through holes.

In some embodiments, the carrying tray has a bottom tray portion, and two first side plate portions extending upward from two opposite sides of the bottom tray portion, the bottom tray portion has the first through hole, and each first side plate portion has a carrying handle section.

In some embodiments, the machine body includes an inner frame structure and an outer frame structure located outside the inner frame structure, the inner frame structure has the upper side frame and two lower side frames respectively located below the upper side frame at intervals, each lower side frame has a second carrying portion, and the substrate baking apparatus further includes a lower orifice plate detachably disposed on the second carrying portion.

In some embodiments, the intake heating system includes an intake channel disposed between the outer frame structure and the inner frame structure and connected to the filter body, an intake heating module disposed in the outer frame structure for drawing the gas into the intake channel and heating the gas, and a blower for receiving the heated gas and driving the gas into the intake channel.

In some embodiments, the substrate baking apparatus further comprises an exhaust system including a gas collecting box located below the lower orifice plate, a gas guide plate connected to the lower frame and located between the lower orifice plate and the gas collecting box to guide gas from the baking space through the lower orifice plate into the gas collecting box, and an exhaust pipe located between the inner frame structure and the outer frame structure and connected to the gas collecting box and extending out of the machine body to exhaust the gas out of the substrate baking apparatus.

The utility model discloses a profitable effect lies in: the upper punch plate is arranged on the first bearing part of the upper side frame, and the bracket of the filter device is arranged on the first mounting part of the upper side frame, so that the filter body of the filter device is arranged above the upper punch plate at intervals, and a space is formed between the filter body and the upper punch plate, the filter device and the transfer device cannot interfere with each other in the dismounting process, and the filter device can be easily taken out or put in from the upper maintenance opening.

Drawings

Other features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of one embodiment of a substrate baking apparatus of the present invention;

FIG. 2 is a fragmentary perspective view of the embodiment;

FIG. 3 is an enlarged fragmentary view of FIG. 2;

FIG. 4 is a schematic front view illustrating each of the upper punch plates of the embodiment positioned between a filtering space of a tool body of the embodiment and a baking space of the tool body;

FIG. 5 is a fragmentary enlarged view illustrating each upper punch plate detachably disposed on the first supporting portion of the first supporting wall of the two upper side frames of the machine body and removable through an upper service opening of a machine body according to the embodiment;

FIG. 6 is an exploded perspective view illustrating each upper punch plate including a carrier plate and two movable plates;

FIG. 7 is a schematic top view of the embodiment;

FIG. 8 is a schematic cross-sectional view taken along line VIII-VIII of FIG. 7, illustrating an inlet heating system of the present embodiment adapted to draw a gas into the tool body and deliver the gas to the baking space along a gas flow path after heating the gas; and

fig. 9 is a schematic cross-sectional view taken along a line IX-IX in fig. 7 illustrating that an exhaust system of the embodiment is adapted to continue exhausting gas passing through a lower punching plate from the baking space out of the substrate baking apparatus along the gas flow path.

Detailed Description

Referring to fig. 1, 2, and 4, an embodiment of the substrate baking apparatus 100 of the present invention is suitable for baking a plurality of circuit boards (not shown), and includes a machine body 1, a transfer device 2, a plurality of air inlet heating systems 3, a plurality of filtering devices 4, a plurality of upper punch plates 5, a plurality of lower punch plates 6, and a plurality of exhaust systems 7. It should be noted that the number of the inlet heating system 3, the filtering device 4, and the exhaust system 7 can be increased or decreased according to the size and length of the machine body 1, and therefore, in a modified implementation, the number of the inlet heating system 3, the filtering device 4, and the exhaust system 7 can be only one, which is not limited to this embodiment.

Machine body 1 defines out one and follows the toasting space 11 that a fore-and-aft direction D1 extends, one follows fore-and-aft direction D1 extends to be located toasting space 11 top and communicate in toasting space 11 filter space 12, a plurality of seting up in machine body 1 both sides and communicate in toasting space 11's lower maintenance mouth 13, and a plurality of seting up in machine body 1 one side and communicate in filter space 12's last maintenance mouth 14. The toasting space 11 has an inlet end 111 and an outlet end 112 at opposite ends. In an actual manufacturing process, the front end and the rear end of the machine body 1 may be respectively connected to a substrate spraying apparatus (not shown) and a discharging apparatus (not shown), so that the circuit board can be firstly sprayed in the substrate spraying apparatus, and then the circuit board is moved to the transfer device 2 by a conveyer belt (not shown), so that the circuit board can enter the baking space 11 through the inlet end 111 for baking, and then the circuit board is output from the outlet end 112 to the discharging apparatus through the transfer device 2, so as to perform a manufacturing process of a next stage.

In this embodiment, the machine body 1 includes a plurality of maintenance doors 15, a plurality of heat insulation doors 16, an inner frame structure 17, and an outer frame structure 18. The maintenance door 15 is disposed on the outer frame structure 18 and covers the lower maintenance opening 13 and the upper maintenance opening 14, respectively. The heat insulation door 16 is respectively disposed at the lower maintenance opening 13 and the upper maintenance opening 14, and is interposed between the maintenance door 15 and the baking space 11 (or the filtering space 12) for maintaining the temperature in the baking space 11 and reducing the outward dissipation speed of the heat energy in the baking space 11. When an operator wants to replace and clean the upper punch plate 5 and the filtering device 4, the upper maintenance door 15 and the heat insulation door 16 can be opened to access the filtering space 12 through the upper maintenance opening 14; when an operator wants to replace and clean the lower perforated plate 6, or repair the transfer device 2, the inlet heating system 3, and the exhaust system 7, or pick up the circuit boards dropped in the baking space 11, the lower maintenance door 15 and the heat insulation door 16 may be opened to allow the circuit boards to enter the baking space 11 through the lower maintenance opening 13.

The inner frame structure 17 has two upper side frames 171, two lower side frames 172, and a plurality of connecting frames 173 connected to the upper side frames 171 and the lower side frames 172 along an up-down direction D2. The upper frames 171 are respectively positioned at left and right sides of the baking space 11 and adjacent to the filtering space 12. Referring to fig. 3 and 4, each upper frame 171 defines a track space 171a extending along the front-rear direction D1, and has a first supporting wall 171b located above the track space 171 a. The first supporting wall 171b has a first mounting portion 1711 and a first supporting portion 1712 located at the opposite inner side of the first mounting portion 1711. The lower frames 172 are spaced below the upper frame 171, and each lower frame 172 has a second mounting portion 172a and a second carrying portion 172b located on the opposite inner side of the second mounting portion 172 a. The connection bracket 173 is vertically disposed at the second mounting portion 172a and upwardly connected to the upper side frame 171. Each of the heat insulation doors 16 at the lower side is disposed between the upper side frame 171, the lower side frame 172 and two adjacent connecting frames 173 on the same side. The outer frame structure 18 is located on the opposite outer side of the inner frame structure 17, and has a bottom wall 181, side walls 182 extending upward from the left and right sides of the bottom wall 181, and a top wall 183 connected to the side walls 182.

Referring to fig. 1, 3 and 4, the transfer device 2 is disposed on the machine body 1 and adapted to transport the circuit board from the inlet 111 to the outlet 112. In detail, the transfer device 2 includes four transmission modules 21, a plurality of cross bars 22, and a plurality of clamps 23. Each transmission module 21 comprises a track 211 and a chain 212 controlled to move along said track 211. Two of the transmission modules 21 are respectively disposed in the track space 171a of the upper frame 171, and the other two sets of transmission modules 21 are disposed on the top wall 183 at intervals in the left-right direction D3. The cross bars 22 are each connected at both ends to the chains 212 of the transmission module 21. The clamp 23 is disposed on the cross bar 22 and adapted to clamp the circuit board through the baking space 11. The chains 212 of the driving modules 21 located in the track space 171a and the chains 212 of the driving modules 21 located in the top wall 183 are connected in series (not shown) to form a circular track path, so that the cross bar 22 and the clamp 23 can be rotated onto the top wall 183 when controlled to move to the outlet end 112, and then rotated back downward to the toasting space 11 when continuously moving in the opposite direction to the inlet end 111.

Referring to fig. 3 and 8, the inlet heating system 3 is disposed at an interval along the front-back direction D1 on the machine body 1, and is adapted to draw a gas into the machine body 1 and heat the gas. Each intake air heating system 3 includes an intake air heating module 31, an intake passage 32, and a blower 33. The air inlet heating module 31 is disposed on the bottom wall 181 of the outer frame structure 18, and is used for drawing the air from the outside, heating the air, and sending the heated air to the fan 33. The air inlet channel 32 is disposed between one of the side walls 182 of the outer frame structure 18 and the inner frame structure 17, and has a lower port 321 communicated with the blower 33, and an upper port 322 opposite to the lower port 321 and communicated with the filtering device 4. The blower 33 has a motor 331 and a fan (not shown). The motor 331 is controlled to drive the fan to operate, so as to receive the heated gas and drive the heated gas into the gas inlet channel 32, so that the gas passes through the gas inlet channel 32 and sequentially passes through the filtering device 4 and the upper punch 5 to enter the baking space 11.

Referring to fig. 4, 5 and 8, the filtering devices 4 are disposed at intervals along the front-rear direction D1 in the filtering space 12. Each filter device 4 comprises a filter body 41, and four brackets 42. The filter body 41 communicates with an upper port 322 of the intake passage 32. In the present embodiment, the filter body 41 is provided with a High-efficiency HEPA (High-efficiency particulate Air) grade filter screen suitable for filtering the impurities entrained in the gas output from the Air inlet passage 32 and the oil gas volatilized from the coating on the circuit board. The bracket 42 is erected on the first mounting portion 1711 of the first supporting wall 171b and connected to the periphery of the filter body 41, so that the filter body 41 is spaced above the corresponding upper punch plate 5. The number of the brackets 42 is not limited to four in the embodiment, but in other embodiments, can be increased or decreased as required.

Referring to fig. 5 and 6, the upper punch 5 is arranged between the filtering space 12 and the baking space 11 along the front-back direction D1, and is detachably disposed on the first bearing portion 1712 of the first bearing wall 171 b. Specifically, each upper punch plate 5 includes a carrier plate body 51, and two movable plate bodies 52. The carrying tray 51 is rectangular and has a bottom portion 511, two first side plate portions 512 extending upward from two opposite short sides of the bottom portion 511, and two second side plate portions 513 extending upward from two opposite long sides of the bottom portion 511. The two opposite short sides of the chassis portion 511 are used to abut against the first bearing portion 1712 of the first bearing wall 171b, and can be locked and positioned by a locking member such as a screw. The chassis portion 511 has a plurality of first through holes 511 a. Each first side plate 512 has a handle section 512a extending in the direction of the other first side plate 512, said handle section 512a being adapted for an operator to lift said upper punch plate 5 upwards and remove it through said upper service opening 14. The second side plate portion 513 abuts against the bracket 42 of the filter device 4 in the left-right direction D3, each of the movable plate bodies 52 has a plurality of second through holes 521, and the movable plate bodies 52 are movably disposed on the tray body 51 in the left-right direction D3, so that the first through holes 511a and the second through holes 521 can be displaced from each other in the up-down direction D2, and the amount of air blown into the baking space 11 from the filter space 12 is adjusted. It should be noted that, since the filter device 4 is disposed on the first mounting portion 1711 of the upper frame 171, the upper orifice plate 5 is disposed on the first receiving portion 1712 of the upper frame 171, and a space is provided between the filter body 41 of the filter device 4 and the upper orifice plate 5, when the operator wants to replace or clean the upper orifice plate 5, the operator can directly lift the upper orifice plate 5 from the upper frame via the space between the filter body 41 and the upper orifice plate 5, and then laterally move the upper orifice plate 5 to take out the upper orifice plate 171 via the upper maintenance opening 14, without separately detaching the filter device 4 and the transfer device 2, thereby increasing the convenience of the entire replacement.

Referring to fig. 2 to 4, the lower perforated plates 6 are arranged in the front-rear direction D1 on the second bearing portion 172b of the lower frame 172 and above the fan 33 to improve the air fluidity in the baking space 11 and make the air flow toward the exhaust system 7.

Referring to fig. 2, 4 and 9, the exhaust system 7 is disposed at an interval along the front-back direction D1 on the machine body 1. Each exhaust system 7 includes a gas collecting box 71, a gas guide plate 72, and an exhaust pipe 73. The gas collecting box 71 is positioned below the corresponding lower punch plate 6. The gas guide plate 72 is connected to the lower frame 172 at an angle between the lower perforated plate 6 and the gas collection box 71 to guide the gas passing through the lower perforated plate 6 from the toasting space 11 into the gas collection box 71. The exhaust pipe 73 is disposed between one of the side walls 182 of the outer frame structure 18 and the inner frame structure 17 and is located beside the intake passage 32. One end of the exhaust pipe 73 is connected to one side of the gas collecting box 71, and the other end extends upward out of the top wall 183 of the machine body 1, so that the gas in the gas collecting box 71 can be exhausted out of the substrate baking device 100.

As described above, the gas inlet heating system 3 and the exhaust system 7 define a gas flow path R together, and the gas flow path R enables most of the gas to be drawn into the substrate baking apparatus 100 through the gas inlet heating system 3, and then sequentially passes through the fan 33, the gas inlet channel 32, the filter device 4, the filter space 12, the upper punch plate 5 and the baking space 11 as shown in fig. 8, and then is exhausted from the substrate baking apparatus 100 through the lower punch plate 6, the gas guide plate 72, the gas collection box 71 and the exhaust pipe 73 as shown in fig. 9, so that the gas is not continuously circulated in the substrate baking apparatus 100, and the oil gas volatilized from the coating on the circuit board is not retained in the baking space 11, thereby reducing the probability of the oil gas condensing on the inner frame structure 17 or the upper and lower punch plates 5 and 6, and reducing the cost of cleaning and maintenance.

To sum up, the utility model discloses base plate toasts equipment 100 is through setting up upper punch hole board 5 in the first bearing part 1712 of upper ledge 171 to set up filter device 4's support 42 in the first installation department 1711 of upper ledge 171, make filter device 4's filter body 41 interval set up in upper punch hole board 5 top, and with the upper punch hole board 5 between the interval go out the space, can not interfere with filter device 4, move and carry device 2 mutually at the in-process of dismouting, can follow maintenance mouth 14 easily and take out or put into, so can reach the purpose of the utility model.

The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still within the scope of the present invention.

Claims (6)

1. A substrate baking apparatus adapted to bake a plurality of circuit boards, the substrate baking apparatus comprising:

the machine table body defines a baking space, a filtering space communicated with the baking space and an upper maintenance opening communicated with the filtering space, and is provided with two upper side frames respectively positioned at two sides of the baking space, each upper side frame defines a track space and is provided with a first bearing wall positioned above the track space, and the first bearing wall is provided with a first mounting part and a first bearing part positioned at the inner side opposite to the first mounting part;

a plurality of upper punch plates which are separably provided to the first bearing portion of the first bearing wall;

the filtering device is arranged in the filtering space and comprises two brackets which are respectively arranged on the first mounting part of the first bearing wall and a filter body which is connected with the brackets and is positioned above the upper punch plate at intervals;

the moving and carrying device comprises two transmission modules respectively arranged in the track space, a plurality of cross rods and a plurality of clamps, wherein the two ends of each cross rod are connected with the transmission modules and cross over the baking space, and the clamps are arranged on the cross rods and are suitable for clamping the circuit board to pass through the baking space; and

and the gas inlet heating system is arranged on the machine table body and is suitable for pumping gas into the machine table body and heating the gas, and then the gas sequentially passes through the filtering device and the upper punch plate and enters the baking space.

2. The substrate baking apparatus according to claim 1, wherein: each upper punching plate comprises a bearing disc body and a plurality of movable plate bodies movably arranged on the bearing disc body, the bearing disc body is provided with a plurality of first through holes, and each movable plate body is provided with a plurality of second through holes.

3. The substrate baking apparatus according to claim 2, wherein: the bearing disc body is provided with a bottom disc part and two first side plate parts extending upwards from two opposite sides of the bottom disc part, the bottom disc part is provided with the first through holes, and each first side plate part is provided with a carrying handle section.

4. The substrate baking apparatus according to claim 1, wherein: the machine table body comprises an inner frame structure and an outer frame structure located on the outer side of the inner frame structure, the inner frame structure is provided with an upper side frame and two lower side frames located below the upper side frame at intervals, each lower side frame is provided with a second bearing portion, and the substrate baking equipment further comprises lower punching plates detachably arranged on the second bearing portions.

5. The substrate baking apparatus according to claim 4, wherein: the air inlet heating system comprises an air inlet channel, an air inlet heating module and a fan, wherein the air inlet channel is arranged between the outer frame structure and the inner frame structure and connected to the filter body, the air inlet heating module is arranged on the outer frame structure and used for sucking and heating air, and the fan is used for receiving the heated air and pumping the air into the air inlet channel.

6. The substrate baking apparatus according to claim 5, wherein: the substrate baking equipment further comprises an exhaust system, wherein the exhaust system comprises a gas collecting box positioned below the lower punch plate, a gas guide plate connected to the lower side frame and positioned between the lower punch plate and the gas collecting box so as to guide gas passing through the lower punch plate from the baking space into the gas collecting box, and an exhaust pipe positioned between the inner frame structure and the outer frame structure, connected to the gas collecting box and extending out of the machine body so as to discharge the gas out of the substrate baking equipment.

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