Solder paste balance stirring device

Abstract

A solder paste balance stirring device comprises a mounting frame, a rotating disc is arranged on the mounting frame, a rotating shaft and a balance assembly are arranged on the opposite sides of the upper end face of the rotating disc respectively, the rotating shaft inclines towards the inner side of the rotating disc, and a placement base is arranged at the top end of the rotating shaft; a sliding rod is arranged on the adjusting base in the direction perpendicular to the axis of the rotary disc, a balancing weight is connected to the sliding rod in a sliding mode, and the balancing weight is connected with the adjusting base through a lead screw. According to the utility model, the balancing component is arranged on the turntable and is used for balancing the rotating shaft and the solder paste tank on the rotating shaft, so that the motion resistance of the turntable is reduced, and the stirring effect of solder paste is improved; an ejector rod assembly is arranged below the turntable to balance the stress of the upper end and the lower end of the turntable when the solder paste tank is fed, so that the periphery and the axial direction of the turntable are prevented from deforming; in the rotating process of the rotating disc, the second transmission roller is matched with the transmission belt to pull the first transmission roller and the rotating shaft to rotate, and the purpose that the solder paste tank is driven to revolve and rotate at the same time through single drive is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tin paste stirring, especially to a tin paste balanced stirring device. BACKGROUND

[0002] The tin paste stirring machine is a kind of equipment for mixing and stirring tin paste, and is widely applied in the fields such as PCB welding and SMT process. It mainly adopts the mode of motor revolution and rotation to uniformly mix the components in tin paste tank, so as to improve the welding quality and efficiency.

[0003] However, in the stirring process of the traditional tin paste stirring machine, the stress on both sides of the rotating shaft is difficult to balance due to the different specifications and weights of tin paste tanks, which affects the normal movement of the rotating shaft and accelerates its wear and tear. Meanwhile, revolution and rotation need different motors for driving, which greatly increases the use cost of the stirring machine.

[0004] Therefore, in view of the deficiencies in the prior art, it is necessary to design a tin paste balanced stirring device to solve the above problems.

[0005] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely describing the technical scheme of the utility model and facilitating the understanding of the skilled in the art, and the above content cannot be considered as known by the skilled in the art just because it is described in the background of the utility model. CONTENT OF THE UTILITY MODEL

[0006] In order to overcome the deficiencies in the prior art, the utility model aims to disclose a tin paste balanced stirring device, which is used to solve the problems of poor balance and high use cost of the traditional stirring machine.

[0007] The utility model discloses a kind of tin paste balanced stirring device, including mounting bracket, mounting bracket is equipped with carousel, opposite side of the upper end surface of carousel is equipped with rotating shaft and balance component respectively, rotating shaft is inclined to the inside of carousel, and the top of rotating shaft is equipped with mounting seat, the tin paste tank to be stirred is placed by mounting seat, tin paste tank is driven to rotate by rotating shaft and is stirred, tin paste tank is driven to revolve around carousel axle by carousel;Balance component includes the adjusting seat fixedly connected with carousel, adjusting seat is provided with slide rod along the axle direction perpendicular to carousel, slide rod is slidably connected with counterweight, counterweight is connected with adjusting seat by screw rod, the stress on both sides of carousel axle is balanced by adjusting the position of counterweight, reduce the movement resistance and axial wear of carousel.

[0008] The preferred technical scheme is as follows: the rotating disc is driven by a motor, the rotating disc is provided with an empty channel at the shaft center, the rotating shaft is provided with a first transmission roller at the outer periphery, the mounting frame is provided with a fixed rod, the front end of the fixed rod passes through the empty channel and is provided with a second transmission roller, the first transmission roller and the second transmission roller are connected through a transmission belt, the motor drives the rotating disc to rotate and drives the rotating shaft to revolve around the fixed rod, since the fixed rod and the second transmission roller remain stationary, the transmission belt pulls the first transmission roller and the tin paste pot thereon to rotate in the revolving process, thereby achieving the purpose of driving the tin paste pot to revolve and rotate at the same time.

[0009] The preferred technical scheme is as follows: the rotating disc is provided with a guide roller at the upper end, one side of the guide roller is connected with the transmission belt, the included angle between the transmission belt and the movement directions of the first transmission roller and the second transmission roller is reduced, and the transmission efficiency is improved.

[0010] The preferred technical scheme is as follows: the motor is a servo motor, the servo motor is connected with the rotating disc through a belt with teeth for transmission, and the movement precision is improved.

[0011] The preferred technical scheme is as follows: the outer periphery of the rotating disc is provided with a limiting sensor, the start and stop of the rotating disc are positioned, and the tin paste pot is convenient to take and place.

[0012] The preferred technical scheme is as follows: the lower portion of the rotating disc is provided with a jacking rod assembly, the jacking rod assembly can top and support the area of the rotating disc at the position of the rotating shaft during the feeding operation, and deformation of one side of the rotating disc caused by frequent pressing and placing of the tin paste pot is avoided.

[0013] The preferred technical scheme is as follows: the jacking rod assembly can be driven by any one of an electric cylinder, an air cylinder and an oil cylinder.

[0014] The preferred technical scheme is as follows: the front end of the mounting seat is provided with an annular groove, the mounting seat is provided with at least one through hole at intervals along the annular groove, a limiting wheel is movably connected in the through hole, the limiting wheel is mounted on an elastic ring, the elastic ring is sleeved in the annular groove, the tin paste pot is clamped in the mounting seat through the limiting wheel and the elastic ring, and separation of the tin paste pot in the stirring process is avoided.

[0015] The preferred technical scheme is as follows: the outer side of the rotating disc is further provided with a protective baffle, and internal tin paste splashing is avoided when the tin paste pot leaks.

[0016] Thanks to the above technical scheme, the tin paste balancing stirring device has the following beneficial effects compared with the prior art:

[0017] (1) The balancing assembly is arranged on the rotating disc to balance the rotating shaft and the tin paste pot thereon, the movement resistance of the rotating disc is reduced, the stirring effect of the tin paste is improved, the axial wear of the rotating disc is reduced, and the service life of the rotating disc is improved.

[0018] (2) The utility model discloses a fixed rod and second transmission roller are set up in the axial place of carousel, and the first transmission roller and the rotating shaft are driven to autorotate by the second transmission roller cooperation transmission belt in the process of carousel rotation, realize the purpose that single drive drives solder paste jar to revolve simultaneously and autorotate, reduce the cost and the size of equipment.

[0019] (3) The utility model discloses setting the jacking rod subassembly below carousel, and the jacking rod subassembly balances the stress of the upper and lower ends of carousel when the solder paste jar is loaded, avoids the deformation of the outer periphery and the axial direction of carousel, improves the service life of carousel. DRAWINGS

[0020] In order to more clearly illustrate the specific embodiment 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 embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0021] Figure 1 It is an isometric view of the utility model of a solder paste balancing stirring device.

[0022] Figure 2 It is a sectional view along A-A in the above-mentioned. Figure 1 It is a local enlarged schematic view of B in the above-mentioned.

[0023] Figure 3 It is a plan view of the utility model of a solder paste balancing stirring device.

[0024] Figure 4 It is a sectional view along A-A in the above-mentioned. Figure 3

[0025] In the above drawings, 100, mounting frame;101, protective baffle;1, carousel;11, empty passage;12, limit sensor;2, rotating shaft;21, first transmission roller;3, balancing assembly;31, adjusting seat;32, sliding rod;33, counterweight;34, screw rod;4, mounting seat;41, ring groove;42, through hole;43, limit wheel;44, elastic ring;5, motor;6, fixed rod;61, second transmission roller;7, transmission belt;8, guide roller;9, jacking rod subassembly. SPECIFIC EMBODIMENT

[0026] The following specific embodiment illustrates the embodiment of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0027] ​It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so as to describe the embodiments of the present application. In addition, the terms "include" and "have" and their synonyms, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0028] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0029] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0030] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved", "attached" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally constructed; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For example, "attached" can be completely attached or partially attached. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0032] Embodiment:

[0033] As Figure 1 , Figure 3 and Figure 4As shown, this utility model discloses a solder paste balancing stirring device, including a mounting frame 100, a turntable 1 on the mounting frame 100, a rotating shaft 2 and a balancing component 3 respectively on opposite sides of the upper end face of the turntable 1, the rotating shaft 2 is inclined towards the inside of the turntable 1, and a mounting seat 4 is provided at the top of the rotating shaft 2, the solder paste can is positioned and placed by the mounting seat 4, because of its inclined setting the solder paste can slide towards the bottom of the mounting seat 4 during the revolution, which can prevent the solder paste can from falling off the mounting seat 4; the balancing component 3 includes an adjusting seat 31 fixedly connected to the turntable 1, a sliding rod 32 is provided on the adjusting seat 31 along the axis perpendicular to the turntable 1, a counterweight 33 is slidably connected to the sliding rod 32, and the counterweight 33 is connected to the adjusting seat 31 through a lead screw 34.

[0034] like Figure 1 , Figure 3 and Figure 4 As shown, in order to reduce the number of drive motors used, the turntable 1 is driven by the motor 5. The turntable 1 has a clearance channel 11 at its axis. The outer circumference of the rotating shaft 2 is provided with a first transmission roller 21. The mounting bracket 100 is provided with a fixing rod 6. The front end of the fixing rod 6 passes through the clearance channel 11 and is provided with a second transmission roller 61. The first transmission roller 21 and the second transmission roller 61 are connected by a transmission belt 7.

[0035] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in order to improve the transmission efficiency of the first transmission roller and the second transmission roller, a guide roller 8 is rotatably connected to the upper end of the turntable 1. One side of the guide roller 8 is connected to the transmission belt 7 to reduce the angle between the transmission belt 7 and the conveying direction of the first transmission roller 21 and the second transmission roller 61, thereby reducing the transmission resistance.

[0036] like Figure 1 , Figure 3 and Figure 4 As shown, in order to improve the motion accuracy of the turntable, motor 5 is a servo motor, and the servo motor and the turntable 1 are connected by a belt with teeth for transmission.

[0037] like Figure 1 , Figure 3 and Figure 4 As shown, in order to facilitate the loading and unloading of solder paste, a limit sensor 12 is provided on the outer periphery of the turntable 1. The limit sensor 12 assists the turntable 1 in starting and stopping at the loading and unloading positions of the solder paste.

[0038] like Figure 3 and Figure 4 As shown, in order to avoid deformation of the turntable during the loading and unloading of solder paste, a push rod assembly 9 is provided below the turntable 1. The push rod assembly 9 can provide support to the area of ​​the turntable 1 where the rotating shaft 2 is located during the loading operation.

[0039] likeFigure 3 and Figure 4 As shown, the push rod assembly 9 is driven by an electric cylinder. It should be noted that in other embodiments, it can also be driven by a pneumatic cylinder or a hydraulic cylinder.

[0040] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, to facilitate the fixing of the solder paste container, the front outer periphery of the mounting base 4 is provided with an annular groove 41. The mounting base 4 has four through holes 42 spaced apart along the annular groove 41. A limiting wheel 43 is movably connected within each through hole 42. The limiting wheel 43 is mounted on an elastic ring 44, which is fitted within the annular groove 41. It should be noted that in this embodiment, there are four through holes 42, but in other embodiments, the number of through holes 42 can be different.

[0041] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a protective baffle 101 is provided on the outer side of the turntable 1 to prevent solder paste leakage and splashing.

[0042] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the usage method and principle of this utility model are as follows: In use, the limit sensor 12, together with the turntable 1, moves the mounting seat 4 to the feeding position. The top rod assembly 9 rises to support the turntable 1 in the area below the mounting seat 4. The solder paste can is pressed into the mounting seat 4 by manual or robotic arm. The position of the counterweight 33 is adjusted by the lead screw 34 to keep the axial force of the turntable 1 balanced and reduce axial wear. Then, the push rod assembly 9 descends, and the motor 5 starts to drive the turntable 1 and the solder paste pot on it to revolve. Since the first drive roller 21 and the second drive roller 61 are connected by the transmission belt 7, and the second drive roller 61 is fixed at the axis of the turntable 1 by the fixing rod 6, during the revolution, the first drive roller 21 continuously moves around the second drive roller 61. When the second drive roller 61 is restricted from rotating by the fixing rod 6, the transmission belt 7 will pull the first drive roller 21 to rotate, thereby driving the rotating shaft 2 and the solder paste pot to rotate. This achieves the purpose of the motor 5 driving the solder paste pot to revolve and rotate simultaneously, reducing the manufacturing cost of the mixing device and improving its service life.

[0043] It should be pointed out finally that the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement is carried out to part technical features, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A tin paste balance stirring device, comprising a mounting frame (100), a rotating disc (1) is arranged on the mounting frame (100), characterized in that: The opposite sides of the upper end surface of the rotating disc (1) are respectively provided with a rotating shaft (2) and a balancing assembly (3), the rotating shaft (2) is inclinedly arranged to the inner side of the rotating disc (1), the top end of the rotating shaft (2) is provided with a mounting seat (4), the balancing assembly (3) comprises an adjusting seat (31) fixedly connected with the rotating disc (1), a sliding rod (32) is arranged on the adjusting seat (31) in the direction perpendicular to the axis of the rotating disc (1), a counterweight (33) is slidably connected on the sliding rod (32), the counterweight (33) is connected with the adjusting seat (31) through a lead screw (34).

2. The tin paste balancing stirring device according to claim 1, wherein: The rotating disc (1) is driven by a motor (5), the axis of the rotating disc (1) is provided with an empty passage (11), the outer periphery of the rotating shaft (2) is provided with a first transmission roller (21), the mounting frame (100) is provided with a fixed rod (6), the front end of the fixed rod (6) passes through the empty passage (11) and is provided with a second transmission roller (61), the first transmission roller (21) and the second transmission roller (61) are connected through a transmission belt (7).

3. The tin paste balancing stirring device according to claim 2, characterized in that: The upper end of the rotating disc (1) is also rotationally connected with a guide roller (8), one side of the guide roller (8) is connected with the transmission belt (7).

4. The tin paste balancing stirring device according to claim 3, characterized in that: The motor (5) is a servo motor, the servo motor is drivingly connected with the rotating disc (1) through a belt with teeth.

5. The tin paste balancing stirring device according to claim 1, wherein: The outer periphery of the rotating disc (1) is provided with a limit sensor (12).

6. The tin paste balancing stirring device according to claim 1, wherein: The lower side of the rotating disc (1) is provided with a ejector rod assembly (9), the ejector rod assembly (9) can top and support the area of the rotating disc (1) at the arrangement position of the rotating shaft (2) during the feeding operation.

7. The tin paste balancing stirring device according to claim 6, characterized in that: The ejector rod assembly (9) can be driven by any one of an electric cylinder, an air cylinder and an oil cylinder.

8. The tin paste balancing stirring device according to claim 1, wherein: The front end of the mounting seat (4) is provided with an annular groove (41), at least one through hole (42) is arranged on the mounting seat (4) along the annular groove (41), a limit wheel (43) is movably connected in the through hole (42), the limit wheel (43) is installed on an elastic ring (44), and the elastic ring (44) is sleeved in the annular groove (41).

9. The tin paste balancing stirring device according to claim 1, wherein: The outer side of the rotating disc (1) is also provided with a protective baffle (101).

Images