Drying device of screen printing machine

Abstract

The utility model relates to the technical field of screen printing machines, and discloses a drying device of a screen printing machine, which comprises two side plates and a drying part arranged at the top between the two side plates, a transmission part is arranged between the two side plates, and the transmission part comprises a chain belt structure, a rotating shaft, a plate fixing part, a gear and a rack. The multiple rotating shafts are connected with the chain belt structure, the plate fixing piece is installed between the left rotating shaft and the right rotating shaft, the gears are installed at the ends, away from the plate fixing piece, of the rotating shafts, and the racks are arranged on the inner sides of the side plates and engaged with the gears. The plate drying device has the following advantages and effects that two surfaces of a plate can be dried at the same time, and the processing efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing machines, in particular to a drying device of a screen printing machine. Background Art

[0002] The full name of the screen printer is a screen printer. It is a device that prints solder paste or patch glue onto the PCB pad through the screen. It can be divided into vertical screen printers, oblique arm screen printers, rotary screen printers, four-column screen printers and fully automatic screen printers. It is mainly used in the electronic processing industry, screen printing logos on printed circuit boards, logos on instrument housing panels, solder paste printing during circuit board processing, etc. The screen printer needs to heat and dry the processed materials during use.

[0003] Publication number: CN 209738489 U proposes a drying device for a screen printing machine. In this case, an air pump is fixedly connected to the upper surface of a mounting frame, and a connecting pipe is provided between the air pump and the connecting frame. The air pump draws out the air in the connecting frame and discharges it into the connecting frame, which facilitates the circulation of the air in the connecting frame and improves the drying efficiency of the material. However, in actual application, after both sides of a plate are printed, both sides of the plate cannot be dried at the same time, and the staff is required to turn it over, which affects the work efficiency. Therefore, it is necessary to propose a drying device for a screen printing machine to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a drying device for a screen printing machine, which can dry two sides of a plate at the same time and has the effect of higher processing efficiency.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a drying device of a screen printing machine, comprising two side panels and a drying component installed on the top between the two side panels, a transmission component is arranged between the two side panels, the transmission component comprises a chain belt structure, a rotating shaft, a plate fixing member, a gear, and a rack, the number of the rotating shafts is multiple and connected to the chain belt structure, the plate fixing member is installed between the left and right rotating shafts, the gear is installed at one end of the rotating shaft away from the plate fixing member, and the rack is arranged on the inner side of the side panel and meshes with the gear.

[0006] By adopting the above technical solution, during the drying operation, the workpiece on the plate fixing part is driven to move into the drying part through the chain belt structure, and during the displacement process, the gear and rack at the end of the rotating shaft cooperate to rotate the rotating shaft, which can drive the plate fixing part and its workpiece to move and rotate as a whole, so that the drying part can dry both sides of the workpiece at the same time, greatly improving its drying efficiency.

[0007] The utility model is further configured as follows: the plate fixing member comprises a limit frame installed between the left and right rotating shafts, and both sides of the limit frame are provided with a pressing plate and a pressing member for pushing the pressing plate downward.

[0008] By adopting the above technical solution, after the workpiece is placed on the limiting frame, the pressing plate is pushed down by the clamping member so that the workpiece is fixed on the limiting frame.

[0009] The utility model is further configured as follows: the clamping member comprises a screw rod threadedly arranged on the limiting frame, the lower end of the screw rod is rotatably connected to the pressing plate, and sliding rods slidingly penetrating the limiting frame are installed on both sides of the top of the pressing plate.

[0010] By adopting the above technical solution, the screw rod is rotated, and the pressing plate is pushed down under the sliding of the sliding rod, so that the plate is pressed and fixed.

[0011] The utility model is further configured as follows: openings for inserting panels are provided on both sides of the limit frame, and connecting rods fixedly connected to the side panels are installed on the sides of the rack.

[0012] By adopting the above technical solution, the plate can be placed in the limit frame more conveniently, and the connecting rod fixes the rack to the inner side of the side plate, stably pushing the gear to rotate during its movement.

[0013] The utility model is further configured as follows: the chain belt structure includes four rollers installed between two side plates, two sprockets are installed on each of the rollers, and a chain belt is arranged between the four sprockets located in the same plane.

[0014] By adopting the above technical solution, the chain belt is rotated by the rotation of the sprocket, which drives the limit frame and the plate to move forward, thereby performing a drying process.

[0015] The utility model is further configured as follows: the rotating shaft penetrates through the chain belt and is rotationally connected thereto, and a motor connected to a rotating roller is installed on the side plate at one side.

[0016] By adopting the above technical solution, a roller is driven by a motor to rotate, and cooperates with four rollers, so that the chain belt can rotate stably and push the plate forward.

[0017] The utility model is further configured as follows: the drying component comprises an oven arranged at the top between two side plates, a dryer is arranged at the upper end of the oven, and limiting devices for fixing the oven are arranged on both sides of the oven.

[0018] By adopting the above technical solution, the plate entering the oven is dried by the dryer.

[0019] The utility model is further configured as follows: both the front and rear sides of the oven are configured as openings, and curtains are provided at the openings.

[0020] By adopting the above technical solution, the panels can enter and exit the oven from the opening, and the setting of the curtain reduces heat loss and prevents external influences, making the drying of the panels more stable.

[0021] The utility model is further configured as follows: the limiting device includes two fixed blocks installed on one side plate and two limiting blocks located on the side of the oven, a bidirectional screw rod and a cross bar are installed between the two fixed blocks, two sliding blocks are symmetrically threaded on the outer side of the bidirectional screw rod, a connecting plate is installed on the upper end of the two sliding blocks, and two plug rods inserted into the limiting blocks are installed on one side of the connecting plate.

[0022] By adopting the above technical solution, the bidirectional screw is rotated, and under the sliding limit of the cross bar, the two sliding blocks are pushed away or closer, so that the connecting plate drives the plug rod to disengage from the limit block, thereby facilitating the overall removal of the oven from the side panel, which is convenient for subsequent cleaning, maintenance and use.

[0023] The utility model is further configured as follows: a handle is provided at one end of the bidirectional screw rod that passes through the fixed block, and the bidirectional screw rod is rotatably arranged between the two fixed blocks through a bearing.

[0024] By adopting the above technical solution, the bidirectional screw rod can be rotated conveniently by holding the handle so as to make it rotate stably.

[0025] The beneficial effects of the utility model are:

[0026] 1. The utility model places the workpiece on a limiting frame and presses and fixes it. During the drying operation, the workpiece on the plate fixing part is driven to move into the drying part through the chain belt structure. During the displacement process, the gear and rack at the end of the rotating shaft cooperate to rotate the rotating shaft, which can drive the plate fixing part and the workpiece to move and rotate as a whole, so that the drying part can dry both sides of the workpiece at the same time, greatly improving its drying efficiency.

[0027] 2. The utility model rotates the bidirectional screw rod and pushes the two sliding blocks away from or close to each other under the sliding limit of the cross bar, so that the connecting plate drives the plug rod to disengage from the limit block, thereby facilitating the overall removal of the oven from the side panel for subsequent cleaning, maintenance and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 The utility model is an overall structural diagram of a drying device of a screen printing machine.

[0030] Figure 2 This utility model Figure 1 Structural diagram of gear and rack.

[0031] Figure 3 This utility model Figure 1 Enlarged view of point A in the middle.

[0032] In the figure, 1, side panel; 2, drying component; 21, oven; 22, dryer; 23, curtain; 3, transmission component; 31, rotating shaft; 32, gear; 33, rack; 34, limit frame; 35, pressure plate; 36, screw; 37, sliding rod; 38, connecting rod; 39, roller; 310, sprocket; 311, chain belt; 312, motor; 4, limit device; 41, fixed block; 42, two-way screw; 43, cross bar; 44, sliding block; 45, sliding block; 46, connecting plate; 47, plug rod; 48, handle. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] like Figures 1 to 3 As shown, a drying device of a screen printing machine includes two side panels 1 and a drying component 2 installed on the top between the two side panels 1. A transmission component 3 is arranged between the two side panels 1. The transmission component 3 includes a chain belt structure, a rotating shaft 31, a plate fixing component, a gear 32, and a rack 33. The number of the rotating shafts 31 is multiple and connected to the chain belt structure. The plate fixing component is installed between the left and right rotating shafts 31. The gear 32 is installed at one end of the rotating shaft 31 away from the plate fixing component. The rack 33 is arranged on the inner side of the side panel 1 and meshes with the gear 32.

[0035] Furthermore, the plate fixing member includes a limit frame 34 installed between the left and right rotating shafts 31 , and both sides of the limit frame 34 are provided with a pressing plate 35 and a pressing member for pushing the pressing plate 35 downward.

[0036] Furthermore, the clamping member includes a screw rod 36 threadedly arranged on the limiting frame 34 , the lower end of the screw rod 36 is rotatably connected to the pressing plate 35 , and sliding rods 37 slidingly penetrating the limiting frame 34 are installed on both sides of the top of the pressing plate 35 .

[0037] Furthermore, openings for inserting panels are provided on both sides of the limiting frame 34 , and connecting rods 38 fixedly connected to the side panels 1 are installed on the sides of the rack 33 .

[0038] Furthermore, the chain belt structure includes four rollers 39 installed between the two side plates 1, and two sprocket wheels 310 are installed on each roller 39. The chain belt 311 is arranged between the four sprocket wheels 310 located in the same plane.

[0039] Furthermore, the rotating shaft 31 passes through the chain belt 311 and is rotatably connected thereto, and a motor 312 connected to a rotating roller 39 is installed on one side plate 1 .

[0040] Furthermore, the drying component 2 includes an oven 21 disposed at the top between the two side panels 1 , a dryer 22 is disposed at the upper end of the oven 21 , and limiting devices 4 for fixing the oven 21 are disposed on both sides thereof.

[0041] Furthermore, both the front and rear sides of the oven 21 are set to be openings, and curtains 23 are provided at the openings.

[0042] Furthermore, the limiting device 4 includes two fixed blocks 41 installed on one side panel 1 and two limiting blocks 45 located on the side of the oven 21, a bidirectional screw rod 42 and a cross bar 43 are installed between the two fixed blocks 41, and two sliding blocks 44 are symmetrically threaded on the outer side of the bidirectional screw rod 42. A connecting plate 46 is installed on the upper end of the two sliding blocks 44, and two plug rods 47 inserted into the limiting block 45 are installed on one side of the connecting plate 46.

[0043] Furthermore, a handle 48 is provided at one end of the bidirectional screw rod 42 that passes through the fixed block 41 , and the bidirectional screw rod 42 is rotatably provided between the two fixed blocks 41 via a bearing.

[0044] The working principle of the utility model is as follows: first, the plate is placed on the limit frame 34, and the pressing plate 35 is pushed down by rotating the screw 36 under the sliding of the sliding rod 37 to press and fix the plate, and the workpiece on the plate fixing part is driven to move into the drying part 2 through the chain belt structure, and in the process of displacement, the gear 32 at the end of the rotating shaft 31 cooperates with the rack 33 to make the rotating shaft 31 rotate, which can drive the plate fixing part and its workpiece to move and rotate as a whole, so that the drying part 2 can dry both sides of the workpiece at the same time, and the bidirectional screw 42 is rotated, and under the sliding limit of the cross bar 43, the two sliding blocks 44 are pushed away or close, so that the connecting plate 46 drives the insertion rod 47 to disengage from the limit block 45, so as to facilitate the overall removal of the oven 21 from the side panel 1.

Claims

1. A drying device for a screen printing machine, comprising two side plates (1) and a drying component (2) installed on the top between the two side plates (1), characterized in that: A transmission component (3) is arranged between the two side plates (1), and the transmission component (3) comprises a chain belt structure, a rotating shaft (31), a plate fixing component, a gear (32), and a rack (33). The rotating shaft (31) is in multiple numbers and is connected to the chain belt structure. The plate fixing component is installed between the left and right rotating shafts (31). The gear (32) is installed at one end of the rotating shaft (31) away from the plate fixing component. The rack (33) is arranged on the inner side of the side plate (1) and meshes with the gear (32).

2. A drying device for a screen printing machine according to claim 1, characterized in that: The plate fixing member comprises a limiting frame (34) installed between the left and right rotating shafts (31), and both sides of the limiting frame (34) are provided with a pressing plate (35) and a pressing member for pushing the pressing plate (35) downward.

3. A drying device for a screen printing machine according to claim 2, characterized in that: The clamping member comprises a screw rod (36) threadedly arranged on the limiting frame (34), the lower end of the screw rod (36) is rotatably connected to the pressing plate (35), and sliding rods (37) slidingly penetrating the limiting frame (34) are installed on both sides of the top of the pressing plate (35).

4. The drying device of a screen printing machine according to claim 3, characterized in that: Openings for inserting panels are provided on both sides of the limiting frame (34), and connecting rods (38) fixedly connected to the side panels (1) are installed on the sides of the rack (33).

5. The drying device of a screen printing machine according to claim 4, characterized in that: The chain belt structure comprises four rollers (39) installed between two side plates (1), two sprocket wheels (310) are installed on each of the rollers (39), and a chain belt (311) is arranged between the four sprocket wheels (310) located in the same plane.

6. A drying device for a screen printing machine according to claim 5, characterized in that: The rotating shaft (31) passes through the chain belt (311) and is rotatably connected thereto. A motor (312) connected to a rotating roller (39) is installed on the side plate (1) at one side.

7. The drying device of a screen printing machine according to claim 1, characterized in that: The drying component (2) comprises an oven (21) arranged at the top between the two side plates (1), a dryer (22) is arranged at the upper end of the oven (21), and limiting devices (4) for fixing the oven (21) are arranged on both sides.

8. A drying device for a screen printing machine according to claim 7, characterized in that: The front and rear sides of the oven (21) are both arranged to be openings, and curtains (23) are arranged at the openings.

9. The drying device of a screen printing machine according to claim 7, characterized in that: The limiting device (4) comprises two fixed blocks (41) mounted on one side plate (1) and two limiting blocks (45) located on the side of the oven (21); a bidirectional screw rod (42) and a cross bar (43) are mounted between the two fixed blocks (41); two sliding blocks (44) are symmetrically threaded on the outer side of the bidirectional screw rod (42); a connecting plate (46) is mounted on the upper end of the two sliding blocks (44); and two insertion rods (47) inserted into the limiting blocks (45) are mounted on one side of the connecting plate (46).

10. A drying device for a screen printing machine according to claim 9, characterized in that: The bidirectional screw rod (42) is provided with a handle (48) at one end thereof penetrating the fixed block (41), and the bidirectional screw rod (42) is rotatably arranged between the two fixed blocks (41) via a bearing.

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