Wave soldering equipment for electric energy meter

Abstract

The utility model provides wave soldering equipment for an electric energy meter, which comprises a base plate and a tray arranged above the base plate, a plurality of circuit boards which are uniformly arranged are arranged in the tray, a pressing plate is arranged above the tray, a driving device for driving the pressing plate to move is arranged on the pressing plate, and the driving device is connected with the base plate. The pressing plate is provided with a first position covering the upper portion of the tray and a second position vertically moving upwards and separated from the tray, and the driving device is used for driving the pressing plate to be switched between the first position and the second position in a reciprocating mode. The base plate is provided with an initial area for pressing the pressing plate downwards, a welding area for carrying out wave soldering on the tray and a waiting area for taking out the tray to be cooled after welding is completed, and the driving device can move the tray from the initial area to the welding area and / or the waiting area. The driving device is further provided with a lifting rod used for lifting the tray upwards along with the pressing plate. The wave-soldering equipment is high in automation degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter part welding, specifically relates to a wave soldering equipment for electric energy meter. BACKGROUND

[0002] Wave soldering of electric energy meter is a key welding process for firmly connecting electronic components to the circuit board, which is used to ensure the stability and reliability of the internal circuit of the electric energy meter. In the prior art, the components (such as resistors, capacitors, connectors, etc.) need to be inserted into the corresponding position of the circuit board manually, and then the circuit board is preheated at 90-100 DEG C to prevent thermal shock from causing board deformation or component damage. Then the position of the component is fixed by the cover plate, and then the circuit board is transmitted to the solder area, and the soldering is completed by the solder wave of 220-240 DEG C, the solder wetting pad and the pin. Finally, after welding, it is naturally cooled to form a stable welding point. This operation mode requires high degree of human participation, resulting in low efficiency, and during manual operation, due to the high temperature of the solder wave, improper manual operation will cause damage to the operator. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect that the operation mode in the prior art requires high degree of human participation, resulting in low efficiency, so as to provide a wave soldering equipment for electric energy meter with high automation degree.

[0004] Therefore, the utility model provides a wave soldering equipment for electric energy meter, which comprises a chassis and a tray placed above the chassis, a plurality of circuit boards are evenly placed in the tray, a pressing plate is arranged above the tray, a driving device for driving the pressing plate to move is arranged on the pressing plate, the pressing plate has a first position covered above the tray and a second position vertically upwardly moving and separated from the tray, the driving device is used for driving the pressing plate to reciprocally switch between the first position and the second position, an initial area for the pressing plate to press down, a welding area for wave soldering of the tray and a waiting area for taking out the tray after welding for cooling are arranged on the chassis, the driving device can move the tray from the initial area to the welding area and / or the waiting area, and a lifting rod for lifting the tray upwardly together with the pressing plate is further arranged on the driving device.

[0005] Further, the driving device comprises a driving piece, a connecting plate for connecting the pressing plate and a connecting rod arranged between the connecting plate and the driving piece, the driving piece is used for driving the connecting rod to stretch and retract so that the pressing plate switches between the first position and the second position, and a plurality of pressing columns for pressing the components are arranged on the pressing plate.

[0006] Further, the pressing plate is provided with a through hole for the pressing column to pass through, and the pressing column is provided with a first anti-extraction cap and a second anti-extraction cap at two ends respectively.

[0007] Further, the driving member is provided with a sliding support capable of assisting the lateral movement of the driving member.

[0008] Further, the driving member is capable of reciprocating along the extension direction of the sliding support, and the driving member is further connected with an auxiliary member for conveying the tray from the welding area to the waiting area.

[0009] Further, the driving device further comprises a clamping member for clamping the tray, the clamping member comprises a driver and at least a pair of clamping rods connected with the driver, the clamping rods are provided with clamping grooves for clamping the tray, and the clamping rods have a clamping state in contact with the tray and a separation state separated from the tray.

[0010] The technical scheme of the utility model has the following advantages:

[0011] 1. The wave-soldering equipment for the electric energy meter is characterized in that, when welding components, the components are first placed on the circuit board by the equipment (this is prior art), then the driver drives the pressing plate to press down, the lifting rod is extended to press the pressing plate above the tray and clamp the tray, the lifting rod is retracted, then the pressing plate and the tray are driven to move upwards together, finally the driving device drives the tray to move from the initial area to the welding area, and then to the initial area to wait for the next conveyed tray.

[0012] 2. The wave-soldering equipment for the electric energy meter is characterized in that the driving device comprises a driving member, a connecting plate and a connecting rod located between the two, when it is necessary to move the tray from the initial area to the welding area, the driving member drives the connecting rod to move downwards, since the connecting rod is fixed with the connecting plate, the connecting rod moves downwards to drive the connecting plate and the pressing plate to move downwards, the four corners of the pressing plate are provided with insertion rods inserted into the tray, the insertion rods are inserted into the tray to lift the tray upwards and convey it to the welding area, meanwhile, the pressing column on the pressing plate can fix the components on the circuit board by pressing, preventing the components from being displaced during the movement of the tray, thereby causing the failure of the later welding. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is the whole structure schematic view of wave-soldering equipment;

[0015] Figure 2 It is another whole structure schematic view of wave-soldering equipment;

[0016] Figure 3 It is the structure schematic view between tray and pressing plate when lifting;

[0017] Figure 4 It is the position relation view between driving part and pressing plate and tray;

[0018] Figure 5 It is Figure 4 The enlarged view of A part in the middle;

[0019] Figure 6 It is another position relation view between driving part and pressing plate and tray;

[0020] Figure 7 It is Figure 6 The enlarged view of B part in the middle.

[0021] Explanation of reference signs:

[0022] 1, bottom plate; 11, initial area; 12, soldering area; 13, waiting area; 2, tray; 21, circuit board; 3, pressing plate; 31, through hole; 4, driving device; 41, driving part; 42, connecting plate; 43, connecting rod; 5, lifting rod; 6, pressing column; 61, first anti-falling cap; 62, second anti-falling cap; 7, sliding support; 8, auxiliary part; 9, clamping part; 91, driver; 92, clamping rod; 93, clamping groove. DETAILED DESCRIPTION

[0023] The technical scheme of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0027] Embodiment

[0028] The utility model provides a kind of wave-soldering equipment for electric energy meter, including chassis 1 and the tray 2 placed on the chassis 1, tray 2 is provided with several evenly placed circuit board 21, the tray 2 is provided with pressing plate 3 above, the pressing plate 3 is provided with the driving device 4 for driving pressing plate 3 to move on, the pressing plate 3 has the first position of cover being set on the tray 2 and vertically upwardly moving, with the second position of tray 2 separation, the driving device 4 is used to drive the reciprocating switching of pressing plate 3 between the first position and the second position, the chassis 1 is provided with the initial area 11 for the pressing plate 3 to press down, the welding area 12 for wave-soldering to tray 2 and the waiting area 13 for being taken out to cool after welding, the driving device 4 can move tray 2 from initial area 11 to welding area 12 and / or waiting area 13, the driving device 4 is also provided with the lifting rod 5 for lifting tray 2 with pressing plate 3 upward.

[0029] The above specific improvement is: Figure 1 And Figure 2As shown, compared with the prior art, when welding components, the components are first placed on the circuit board 21 by the device (this is the prior art), then the driver 91 drives the pressing plate 3 to press down, the lifting rod 5 extends to press the pressing plate 3 above the tray 2 while clamping the tray 2, the lifting rod 5 retracts, then drives the pressing plate 3 and the tray 2 to move upwards together, finally the driving device 4 drives the tray 2 to move from the initial area 11 to the welding area 12, and finally to the initial area 11 to wait for the next transmitted tray 2.

[0030] Based on the above embodiment: the driving device 4 includes a driving member 41, a connecting plate 42 for connecting the pressing plate 3, and a connecting rod 43 arranged between the connecting plate 42 and the driving member 41, the driving member 41 is used to drive the connecting rod 43 to extend and retract to switch the pressing plate 3 between the first position and the second position, and the pressing plate 3 is provided with a plurality of pressing columns 6 for pressing components.

[0031] The specific improvement is that, as shown in the figure, Figures 2-4 As shown, the driving device 4 includes a driving member 41, a connecting plate 42, and a connecting rod 43 arranged therebetween, when it is necessary to move the tray 2 from the initial area 11 to the welding area 12, the driving member 41 drives the connecting rod 43 to move downward, since the connecting rod 43 is fixed with the connecting plate 42, the connecting rod 43 moves downward while driving the connecting plate 42 and the pressing plate 3 to move downward, the pressing plate 3 has a plug rod at the four corners, which is inserted into the tray 2, used to lift the tray 2 upward for transmission to the welding area 12, at the same time, the pressing columns 6 on the pressing plate 3 will fix the components on the circuit board 21 by pressing, preventing the components from moving during the movement of the tray 2, thereby causing the failure of later welding.

[0032] Based on the above embodiment: the pressing plate 3 is provided with a through hole 31 for the pressing column 6 to pass through, and the pressing column 6 is provided with a first anti-extraction cap 61 and a second anti-extraction cap 62 at both ends respectively to prevent the pressing column 6 from being separated from the through hole 31.

[0033] The specific improvement is that, as shown in the figure, Figures 4-6 As shown, in order to prevent the tray 2 from moving during transmission, the pressing column 6 is pressed on the component, and in order to prevent the pressing column 6 from separating from the through hole 31, the first anti-extraction cap 61 and the second anti-extraction cap 62 are arranged above and below the pressing column 6, when pressing, the second anti-extraction cap 62 will abut against the component, through the arrangement of the second anti-extraction cap 62, the contact area with the component can be effectively increased while preventing the abutment column from being separated from the through hole 31.

[0034] Based on the above embodiment: the side of the driving member 41 is provided with a sliding support 7 which can assist its lateral movement.

[0035] The specific improvement is that, as shown in Figure 2 The setting of the sliding support 7 can effectively assist the transverse movement of the driving member 41, thereby assisting the movement of the tray 2 from the initial area 11 to the welding area 12 and the cooling area. The driving member 41 can be a driving motor, which can be externally purchased according to requirements.

[0036] On the basis of the above embodiment, the driving member 41 can reciprocate along the extension direction of the sliding support 7, and the driving member 41 is further connected with an auxiliary member 8 for conveying the tray 2 from the welding area 12 to the waiting area 13.

[0037] The specific improvement is that, as shown in Figure 1 and Figure 2 When the driving member 41 drives the tray 2 to move from the initial area 11 to the welding area 12, the auxiliary member 8 can drive the tray 2 on the welding area 12 to move to the waiting area 13 for cooling. The driving member 41 and the auxiliary member 8 move by using the same motor, which can effectively ensure the synchronous movement of the driving member 41 and the auxiliary member 8.

[0038] On the basis of the above embodiment, the driving device 4 further comprises a clamping member 9 for clamping the tray 2, the clamping member 9 comprises a driver 91 and at least one pair of clamping rods 92 connected with the driver 91, the clamping rod 92 is provided with a clamping groove 93 for clamping the tray 2, and the clamping rod 92 has a clamping state in contact with the tray 2 and a separation state separated from the tray 2.

[0039] The specific improvement is that, as shown in Figure 6 and Figure 7 After the driving member 41 drives the pressing plate 3 to move downward, the clamping rod 92 is driven by a motor or a cylinder to move from both sides to the middle, so that the side of the tray 2 is clamped with the clamping groove 93, then the connecting rod 43 is retracted, the motor drives the tray 2 to move from the initial area 11 to the welding area 12, and at the same time, the auxiliary member 8 drives the tray 2 on the welding area 12 to move to the waiting area 13 for cooling. After the movement, the clamping rod 92 moves from the middle to both sides, so that the clamping rod 92 is switched from the clamping state to the separation state with the tray 2, and then the whole driving member 41 and the auxiliary member 8 return to the initial position, waiting for the next work.

[0040] Obviously, the above embodiment is only an example for clear illustration, and is not a limitation on the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. It is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A wave soldering device for electricity meters, characterized in that: The system includes a chassis (1) and a tray (2) placed above the chassis (1). The tray (2) contains several evenly arranged circuit boards (21). A pressure plate (3) is positioned above the tray (2). A driving device (4) for moving the pressure plate (3) is mounted on the pressure plate (3). The pressure plate (3) has a first position covering the tray (2) and a second position that moves vertically upwards and separates from the tray (2). The driving device (4) drives the pressure plate (3) in the first and second positions. The chassis (1) is provided with an initial area (11) for the pressure plate (3) to press down, a welding area (12) for wave soldering the tray (2), and a waiting area (13) for removing the tray (2) after welding and waiting for cooling. The drive device (4) can move the tray (2) from the initial area (11) to the welding area (12) and / or the waiting area (13). The drive device (4) is also provided with a lifting rod (5) for lifting the tray (2) upward together with the pressure plate (3).

2. The wave soldering equipment for electricity meters according to claim 1, characterized in that: The driving device (4) includes a driving member (41), a connecting plate (42) for connecting the pressure plate (3), and a connecting rod (43) disposed between the connecting plate (42) and the driving member (41). The driving member (41) is used to drive the connecting rod (43) to extend and retract so that the pressure plate (3) switches between a first position and a second position. The pressure plate (3) is provided with a plurality of pressing posts (6) for pressing components.

3. The wave soldering equipment for electricity meters according to claim 2, characterized in that: The pressure plate (3) is provided with a through hole (31) for the pressing column (6) to pass through. The pressing column (6) is provided with a first anti-dislodgement cap (61) and a second anti-dislodgement cap (62) at both ends to prevent the pressing column (6) from dislodging from the through hole (31).

4. A wave soldering device for an electricity meter according to claim 2, characterized in that: The drive unit (41) is provided with a sliding bracket (7) on its side to assist its lateral movement.

5. A wave soldering device for electricity meters according to any one of claims 2-4, characterized in that: The drive member (41) is capable of reciprocating along the extension direction of the sliding bracket (7), and the drive member (41) is also connected to an auxiliary member (8) for transferring the tray (2) from the welding area (12) to the waiting area (13).

6. A wave soldering device for electricity meters according to any one of claims 1-4, characterized in that: The drive device (4) further includes a clamping member (9) for clamping the tray (2). The clamping member (9) includes a driver (91) and at least one pair of clamping rods (92) linked with the driver (91). The clamping rods (92) are provided with slots (93) for the tray (2) to be inserted into. The clamping rods (92) have a clamping state in contact with the tray (2) and a disengaging state separated from the tray (2).

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