Device for drying printed circuit board (PCB) laminated board

Abstract

The utility model relates to the technical field of PCB (printed circuit board) production equipment, and discloses a device for drying a PCB laminated board, which comprises a material conveying belt seat and a drying box arranged behind the material conveying belt seat and used for drying the PCB laminated board, and a material limiting assembly is arranged on the material conveying belt seat. According to the device for drying the PCB press-fit board, the material limiting assembly is arranged on the material conveying belt seat of the drying box, the baffle is arranged above the material conveying belt seat, and the distance between the baffle and the material conveying belt seat is changed, so that the distance conforms to the thickness of the single-layer PCB press-fit board, and therefore when the material conveying belt seat operates to convey materials, the thickness of the single-layer PCB press-fit board is reduced under the separation of the baffle; according to the PCB press-fit plate drying device, the phenomenon that the PCB press-fit plates are stacked is avoided, the drying effect of the drying box behind the material conveying belt seat is ensured, meanwhile, the distance between the baffle and the material conveying belt seat can be adjusted according to the PCB press-fit plates with different thicknesses, and therefore the practicability of the whole device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board production equipment technical field, concretely for a kind of device for drying PCB pressboard. BACKGROUND

[0002] PCB board (printed circuit board), it is a kind of through the conductive copper foil patterning laying on the surface of insulating material, form the electrical connection between electronic components.

[0003] PCB pressboard drying device is the important equipment indispensable in PCB board production process, by selecting appropriate drying temperature and time, regular cleaning and maintenance and safety operation etc., can ensure that PCB board reaches ideal drying effect and quality requirement in drying process, and in order to avoid the situation that PCB board stacking affects drying effect in drying process, we propose a kind of device for drying PCB pressboard. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of device for drying PCB pressboard, solve the problem mentioned in the above background.

[0005] The utility model provides following technical scheme: a kind of device for drying PCB pressboard, comprising: material conveying belt seat and the drying box for drying PCB pressboard being set to material conveying belt seat rear, the material conveying belt seat is provided with material limiting assembly, the material limiting assembly includes the U-shaped frame being fixedly connected with the shell of material conveying belt seat, the fixed cylinder being fixedly installed in the bottom surface of U-shaped frame, the movable cylinder being slidably arranged on fixed cylinder, the baffle being fixedly installed in the lower end of movable cylinder, the stopper being fixedly installed in the side wall of fixed cylinder inner cavity, the threaded rod being rotatably arranged on U-shaped frame, the auxiliary nut being fixedly installed on the inner surface of movable cylinder, and the limiting block being fixedly installed on the outer surface of movable cylinder;The adjusting assembly is provided on the U-shaped frame, and the adjusting assembly includes the connecting shaft being rotatably arranged in the inside of U-shaped frame, the rotary disc being fixedly installed in the end of connecting shaft, the slide button being slidably arranged on rotary disc, the ball head rod being slidably arranged in the inside of connecting shaft, the friction ring being arranged in the inside of U-shaped frame, the first spring being fixedly connected with slide button and rotary disc respectively at both ends, the spherical protrusion being fixedly installed on the side surface of slide button, the second spring being fixedly connected with ball head rod and connecting shaft respectively at both ends, and the connecting rod being fixedly connected with friction ring and ball head rod respectively at both ends.

[0006] Preferably, the threaded rod is located in the internal cavity of the movable cylinder, and the threaded rod is threadedly connected with the auxiliary nut.

[0007] Preferably, the limiting block is located in the fixed cylinder, and the limiting block is also slidably connected with the fixed cylinder.

[0008] Preferably, the end of the connecting shaft away from the rotary disc is fixedly connected with the threaded rod.

[0009] Preferably, a sliding groove for passing through both ends of the connecting rod is arranged on the connecting shaft, and both ends of the sliding groove are designed as a closed end.

[0010] Preferably, the friction ring can be in contact with the U-shaped frame to form a contact surface, and the contact surface is provided with friction lines for enhancing friction.

[0011] Preferably, in the initial state, the outer surface of the spherical protrusion is in contact with the outer surface of the ball head end of the ball head rod.

[0012] Preferably, the baffle is located above the belt surface of the material conveying belt seat, and the baffle is located in the feeding direction of the feeding port of the drying box.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The device for drying PCB pressing plate, through setting material limiting assembly on the material conveying belt seat of the drying box, using the baffle above the material conveying belt seat, by changing the distance between the baffle and the material conveying belt seat, the size of the distance is consistent with the thickness of single-layer PCB pressing plate, so that the phenomenon of stacking of PCB pressing plate is avoided under the blocking of the baffle when the material conveying belt seat runs, the drying effect of the drying box behind the material conveying belt seat is ensured, and the distance between the baffle and the material conveying belt seat can be adjusted according to PCB pressing plates of different thicknesses, so that the practicability of the overall device is improved.

[0015] 2、The device for drying PCB pressing plate, by setting the adjusting assembly, the user can adjust the state of the baffle in a more convenient way, so that the use efficiency of the overall structure is improved, the friction ring in the adjusting assembly enhances the friction, then locks the internal structure, and the stability of the overall device is further improved, and the blocking effect of the baffle is ensured. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is a first cutaway schematic diagram of the local structure of the utility model;

[0018] Figure 3 It is a second cutaway schematic diagram of the local structure of the utility model;

[0019] Figure 4 It is an exploded view of the threaded rod structure of the utility model;

[0020] Figure 5 It is an exploded view of the adjusting assembly structure of the utility model.

[0021] In the figure: 1, feed belt seat; 2, drying box; 3, material limiting assembly; 31, baffle; 32, movable cylinder; 33, fixed cylinder; 34, U-shaped frame; 35, stop block; 36, threaded rod; 37, auxiliary nut; 38, limiting block; 4, adjusting assembly; 41, rotating disc; 42, connecting shaft; 43, slide button; 44, ball head rod; 45, friction ring; 46, first spring; 47, spherical protrusion; 48, second spring; 49, connecting rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 A device for drying PCB laminated board, comprising: a feed belt seat 1, and a drying box 2 arranged behind the feed belt seat 1 and used for drying the PCB laminated board, a material limiting assembly 3 is arranged on the feed belt seat 1, the material limiting assembly 3 comprises a U-shaped frame 34 fixedly connected with the shell of the feed belt seat 1, a fixed cylinder 33 fixedly installed on the bottom surface of the U-shaped frame 34, a movable cylinder 32 slidingly arranged on the fixed cylinder 33, a baffle 31 fixedly installed on the lower end of the movable cylinder 32, a stop block 35 fixedly installed on the side wall of the inner cavity of the fixed cylinder 33, a threaded rod 36 rotationally arranged on the U-shaped frame 34, an auxiliary nut 37 fixedly installed on the inner surface of the movable cylinder 32, and a limiting block 38 fixedly installed on the outer surface of the movable cylinder 32; the threaded rod 36 is located at the internal cavity of the movable cylinder 32, and the threaded rod 36 is threadedly connected with the auxiliary nut 37, the limiting block 38 is located inside the fixed cylinder 33, and the limiting block 38 is also slidingly connected with the fixed cylinder 33, the baffle 31 is located above the belt surface of the feed belt seat 1, and the baffle 31 is located in the feeding direction of the feeding port of the drying box 2, the design of the stop block 35 and the limiting block 38 can avoid the phenomenon that the movable cylinder 32 is separated from the fixed cylinder 33, thereby ensuring the stability of the overall structural design.

[0024] The U-shaped frame 34 is provided with an adjusting assembly 4, which comprises a connecting shaft 42 rotatably arranged in the U-shaped frame 34, a rotating disc 41 fixedly installed at one end of the connecting shaft 42, a sliding knob 43 slidingly arranged on the rotating disc 41, a ball head rod 44 slidingly arranged in the connecting shaft 42, a friction ring 45 arranged in the U-shaped frame 34, a first spring 46 with two ends fixedly connected with the sliding knob 43 and the rotating disc 41 respectively, a spherical protrusion 47 fixedly installed on the side surface of the sliding knob 43, a second spring 48 with two ends fixedly connected with the ball head rod 44 and the connecting shaft 42 respectively, and a connecting rod 49 with two ends fixedly connected with the friction ring 45 and the ball head rod 44 respectively. The end of the connecting shaft 42 away from the rotating disc 41 is fixedly connected with the threaded rod 36. A sliding groove is formed in the connecting shaft 42 for passing through the two ends of the connecting rod 49. The two ends of the sliding groove are both sealed. The friction ring 45 can be in contact with the U-shaped frame 34 to form a contact surface. The contact surface is provided with friction lines for enhancing the friction. These designs can improve the stability of the overall device. In the initial state, the outer surface of the spherical protrusion 47 can be in contact with the outer surface of the ball head end of the ball head rod 44.

[0025] The working principle is that the drying box 2 is arranged at the rear of the conveying belt seat 1, the PCB pressing plate is placed on the conveying belt seat 1, the conveying belt seat 1 is started, the PCB pressing plate can be conveyed into the drying range inside the drying box 2 to complete the drying process of the PCB pressing plate; and before starting the feeding of the conveying belt seat 1, the knob 43 is first slid on the rotating disc 41, the spherical protrusion 47 on the knob 43 is staggered with the spherical head end of the ball head rod 44, because the ball head rod 44 is slidably arranged inside the connecting shaft 42, and the ball head rod 44 is further connected with the connecting shaft 42 by the second spring 48, and the ball head rod 44 is fixedly connected with the friction ring 45 through the connecting rod 49, therefore, under the action of the second spring 48, the ball head rod 44, the friction ring 45 and the connecting rod 49 are slid, the friction ring 45 between the U-shaped frame 34 and the side wall of the U-shaped frame 34 is produced, then the rotating disc 41 is rotated by the knob 43, the connecting shaft 42 fixedly connected with the rotating disc 41 is synchronously rotated inside the U-shaped frame 34, because the threaded rod 36 is fixedly connected with the connecting shaft 42, and the threaded rod 36 is threadedly connected with the auxiliary nut 37 fixedly arranged inside the movable cylinder 32, and the movable cylinder 32 is slidably connected with the fixed cylinder 33 fixedly arranged on the U-shaped frame 34, and the lower end of the movable cylinder 32 is fixedly arranged with the baffle 31, therefore, after the connecting shaft 42 drives the threaded rod 36 to rotate, the movable cylinder 32 and the baffle 31 are driven to slide up and down, so that the distance between the baffle 31 and the conveying belt seat 1 is changed, so that only single-layer PCB pressing plates can pass through, and the phenomenon of multiple PCB pressing plates being stacked is avoided, finally, the knob 43 is loosened, under the action of the first spring 46 fixedly connected with the knob 43 and the rotating disc 41 at both ends, the knob 43 and the spherical protrusion 47 are slid towards the ball head rod 44, the ball head rod 44 is pressed to slide, the gap between the friction ring 45 and the U-shaped frame 34 is eliminated, the friction ring 45 is in close contact with the U-shaped frame 34, then a certain friction force is generated between the friction ring 45 and the U-shaped frame 34, under the action of the friction force, the rotation of the friction ring 45 is limited, the rotation of the connecting shaft 42 and the threaded rod 36 is limited, and the state of the movable cylinder 32, the baffle 31 and other structures is locked, so that the displacement of the structures is avoided, and the stability of the overall structure is ensured.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An apparatus for drying a PCB press board, characterized by, Include: The material conveying belt seat (1) and the drying box (2) arranged behind the material conveying belt seat (1) and used for drying the PCB pressing plate, the material conveying belt seat (1) is provided with a material limiting assembly (3), the material limiting assembly (3) includes a U-shaped frame (34) fixedly connected with the shell of the material conveying belt seat (1), a fixed cylinder (33) fixedly installed on the bottom surface of the U-shaped frame (34), a movable cylinder (32) slidingly arranged on the fixed cylinder (33), a baffle (31) fixedly installed on the lower end of the movable cylinder (32), a stop block (35) fixedly installed on the side wall of the inner cavity of the fixed cylinder (33), a threaded rod (36) rotatably arranged on the U-shaped frame (34), an auxiliary nut (37) fixedly installed on the inner surface of the movable cylinder (32), and a limiting block (38) fixedly installed on the outer surface of the movable cylinder (32); The U-shaped frame (34) is provided with an adjusting assembly (4), the adjusting assembly (4) includes a connecting shaft (42) rotatably arranged in the U-shaped frame (34), a rotating disc (41) fixedly installed on the end of the connecting shaft (42), a sliding knob (43) slidingly arranged on the rotating disc (41), a ball head rod (44) slidingly arranged in the connecting shaft (42), a friction ring (45) arranged in the U-shaped frame (34), a first spring (46) fixedly connected with the sliding knob (43) and the rotating disc (41) at both ends, a spherical protrusion (47) fixedly installed on the side surface of the sliding knob (43), a second spring (48) fixedly connected with the ball head rod (44) and the connecting shaft (42) at both ends, and a connecting rod (49) fixedly connected with the friction ring (45) and the ball head rod (44) at both ends.

2. The apparatus for drying a PCB press board according to claim 1, wherein, The threaded rod (36) is located in the internal cavity of the movable cylinder (32), and the threaded rod (36) is threadedly connected with the auxiliary nut (37).

3. The apparatus for drying a PCB press board according to claim 1, wherein The limiting block (38) is located in the fixed cylinder (33), and the limiting block (38) is also slidingly connected with the fixed cylinder (33).

4. The apparatus for drying a PCB press board according to claim 1, wherein The end of the connecting shaft (42) away from the rotating disc (41) is fixedly connected with the threaded rod (36).

5. The apparatus for drying a PCB press board according to claim 1, wherein, A sliding groove is formed in the connecting shaft (42) for passing through both ends of the connecting rod (49), and both ends of the sliding groove are designed as sealed.

6. The apparatus for drying a PCB press board according to claim 1, wherein The friction ring (45) can be in contact with the U-shaped frame (34) to form a contact surface, and the contact surface is provided with friction lines for enhancing friction.

7. The apparatus for drying a PCB press board according to claim 1, wherein In the initial state, the outer surface of the spherical protrusion (47) can be in contact with the outer surface of the ball head end of the ball head rod (44).

8. The apparatus for drying a PCB press board according to claim 1, wherein, The baffle (31) is located above the belt surface of the material conveying belt seat (1), and the baffle (31) is located in the feeding direction of the feeding port of the drying box (2).

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