Universal swing arm mechanism

Abstract

The utility model discloses a universal swing arm mechanism. The universal swing arm mechanism comprises a swing arm used for installing an action device; the stand column transmission device is used for driving the swing arm and comprises a lifting shaft; the lifting device is used for driving the stand column transmission device to lift and comprises a lead screw nut, a lead screw and a lifting servo motor, the lead screw nut and the lead screw are matched with each other, the lifting servo motor is used for driving the lead screw, and the lead screw nut is connected with the lower end of the lifting shaft; the rotating device is used for driving the stand column transmission device to rotate and comprises a rotating shaft arranged in the lifting shaft in a penetrating mode and a rotating servo motor used for driving the rotating shaft, and the swing arm is connected with the upper end of the rotating shaft. The lifting device is simple in structure, low in cost, easy to fix and disassemble, capable of integrating rotating and lifting functions and small in occupied space.

Description

Technical Field

[0001] The utility model relates to a swing arm mechanism capable of rotating and lifting, and belongs to the field of canning machinery for food, medicine and the like. Background Art

[0002] In the production of food and medicine, filling liquid materials into material bottles requires a filling needle. The filling needle is placed on a filling needle holder. During filling, the filling needle needs to be lowered into the container and gradually rises with the liquid filling. Some special processes require avoidance, so the needle holder needs to rotate. After filling, the container needs to be sealed with a rubber plug. The plug suction head needs to suck the plug and press it into the container mouth for sealing. The filling and plug pressing devices in existing equipment only have lifting functions, and they occupy a large space, have a complex structure, high cost, and are difficult to disassemble and assemble. Summary of the invention

[0003] The problem to be solved by the utility model is to provide a rotary lifting swing arm mechanism which has simple structure, low cost, compact structure, small space occupation and can realize universal filling and plugging.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A universal swing arm mechanism, comprising:

[0006] Swing arm for mounting the action device;

[0007] A column transmission device for driving the swing arm, which includes a lifting shaft;

[0008] A lifting device for driving the column transmission device to lift, comprising a screw nut and a screw that cooperate with each other and a lifting servo motor for driving the screw, wherein the screw nut is connected to the lower end of the lifting shaft;

[0009] The rotating device for driving the column transmission device to rotate comprises a rotating shaft penetrating the lifting shaft and a rotating servo motor for driving the rotating shaft, and the swing arm is connected to the upper end of the rotating shaft.

[0010] The servo motor includes a lifting servo motor and a rotating servo motor, which provide power for lifting and rotating.

[0011] Preferably, the upper end of the rotating shaft and the lifting shaft are provided with a second bearing, the lower end of the rotating shaft is connected to the plug lifting plate through another second bearing, a second spacer sleeve is provided between the two second bearings, the lower end of the rotating shaft passes through the plug lifting plate and extends downward, the extension portion is covered with a third spacer sleeve, and a stop washer and a second locking nut are provided outside the third spacer sleeve. The rotating shaft transmits the rotating power to the upper swing arm.

[0012] More preferably, the upper end of the screw is inserted into the screw bearing plate, and the lower end is inserted into the fixed bottom plate. A fixed side plate, a screw connecting plate and a screw guide rod are arranged between the screw bearing plate and the fixed bottom plate. The screw connecting plate is fixedly connected to the screw nut and is movably connected to the screw guide rod through a screw bushing. The screw guide rod and the bushing provide effective guidance for the screw, so that the lifting accuracy is higher. The fixed bottom plate and the fixed side plate constitute a fixed frame, which is fixed to the desktop plate to provide effective support and installation space for the entire power mechanism.

[0013] Furthermore, a bearing 1 is provided between the screw rod and the screw rod bearing plate, a bearing flange seat is provided on the fixed base plate, a pair of bearings 1 are provided between the screw rod and the bearing flange seat, and a spacer sleeve 1 is provided between the pair of bearings 1.

[0014] Preferably, the screw rod is connected to the output end of the lifting servo motor through a coupling.

[0015] Preferably, the column transmission device further comprises a plug support for fixing the lifting shaft, and a bushing is provided between the lifting shaft and the plug support.

[0016] More preferably, the upper part of the lifting shaft is covered with a corrugated sleeve, the top of the corrugated sleeve is provided with a corrugated sleeve upper pressure cover, and the bottom is provided with a corrugated sleeve lower pressure cover. The corrugated sleeve has low cost, convenient telescopic and durable, and plays a protective role such as aesthetics and dustproof.

[0017] Furthermore, the upper pressure cover of the corrugated sleeve is connected to the lifting shaft through the upper fixing ring of the corrugated sleeve, and the lower pressure cover of the corrugated sleeve is connected to the pressure plug support through the lower fixing ring of the corrugated sleeve.

[0018] Preferably, a sealing ring is provided between the top of the lifting shaft and the swing arm.

[0019] Preferably, the lower end of one end of the swing arm is connected to the rotating shaft, and the swing arm is provided with a mounting hole for mounting the action device.

[0020] Preferably, the rotating device also includes a rotating shaft clamp connected to the lower end of the rotating shaft, a rotating clamp connected to the output end of the rotating servo motor, a lifting slide is connected to the rotating clamp, and both sides of the lifting slide are rollingly connected to a pair of rollers fixed on the rotating shaft clamp; the rotating shaft and the output end of the rotating servo motor are concentrically arranged.

[0021] Compared with the prior art, the advantages of the utility model are:

[0022] It has simple structure, low cost, is easy to fix and disassemble, has integrated rotation and lifting functions, and occupies little space. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of a universal swing arm mechanism provided in Example 1;

[0024] Figure 2 is a schematic diagram of the lifting device;

[0025] Figure 3 is a schematic diagram of a rotating device;

[0026] Figure 4 is a schematic diagram of a column transmission device;

[0027] Figure 5 It is a schematic diagram of the action device on the swing arm adopting the pressing plug mechanism;

[0028] Figure 6 A schematic diagram of a universal swing arm mechanism provided in Example 2;

[0029] Figure 7 for Figure 6 The main view;

[0030] Figure 8 Schematic diagram of the action device on the swing arm using a filling needle. DETAILED DESCRIPTION

[0031] In order to make the present invention more obvious and easy to understand, preferred embodiments are described in detail as follows in conjunction with the accompanying drawings.

[0032] Example 1

[0033] like Figure 1 As shown, a universal swing arm mechanism is provided in this embodiment, which includes: a plugging swing arm 4 for installing a plugging mechanism, a column transmission device for driving the plugging swing arm 4, a lifting device for driving the column transmission device to lift and lower, and a rotating device for driving the column transmission device to rotate.

[0034] The lifting device is as follows Figure 2 As shown, the lifting servo motor 1-9 provides lifting power for the entire device, the lifting servo motor 1-9 is fixed on the motor support plate 1-16, the lifting servo motor 1-9 is connected to the coupling 1-8 through a key, and the motor support plate 1-16 is fixedly connected to the bottom of the fixed base plate 1-5 through a small pillar 1-17;

[0035] The coupling 1-8 has keyways on the upper and lower parts, the lower part is connected to the output end of the lifting servo motor 1-9, and the upper part is connected to the screw rod 1-7. The key can fix the left and right directions of the upper and lower shafts.

[0036] The screw rod 1-7 is used as the main lifting component. The coupling 1-8 is connected at the bottom and passes through the fixed base plate 1-5. Two bearings 1-11 are arranged between the screw rod 1-7 and the fixed base plate 1-8. A spacer sleeve 1-15 is arranged between the bearings. A locking nut 1-6 is arranged under the lower bearing 1-11 for fixing and limiting the bearing 1-11. The screw rod 1-7 passes through a screw rod nut 1-13 on the top and is fixed to the screw bearing plate 1-1 through another bearing 1-11 at the top. A retaining spring 1-10 is arranged on the upper bearing 1-11 for fixing and limiting the bearing 1-11. The screw rod nut 1-13 is fixed to the screw rod connecting plate 1-2 by bolts.

[0037] The screw bearing plate 1-1 is fixed under the table top and connected to the fixed bottom plate 1-5 through the fixed side plates 1-12 on both sides. The overall frame serves as an installation and fixing component for the lower part of the lifting and rotating device. Holes are opened on both sides of the screw connecting plate 1-2 for fixing the screw nut 1-13, and the screw bushing 1-3 is embedded. Two screw guide rods 1-4 pass through the screw bushing 1-3 and are fixed between the screw bearing plate 1-1 and the fixed bottom plate 1-5 respectively. The two screw guide rods 1-4 guide the screw 1-7 through the screw connecting plate 1-2;

[0038] The rotating device is as Figure 3 As shown, the rotary servo motor 2-5 provides the rotary power for the entire device, and is fixed on the fixed bottom plate 1-5 from above;

[0039] One end of the rotating clamp plate 2-4 passes through the output end of the rotating servo motor 2-5, and is locked by tightening the bolts against the rear slotted structure. The other end of the rotating clamp plate 2-4 is vertically connected to the lifting slide plate 2-3, and the output end of the rotating servo motor 2-5 is concentric with the rotating shaft 2-6;

[0040] One end of the rotating shaft clamp 2-2 is connected to the rotating shaft 2-6, and the rear slotted structure is tightened with bolts for locking. The other end is connected to a pair of rollers 2-1 on both sides of the T-shape. The rollers 2-1 are held on both sides of the lifting slide 2-3. When the rotating servo motor 2-5 is running, its output end drives the rotating clamp 2-4 to rotate, and the rotating clamp 2-4 drives the lifting slide 2-3 and the rotating shaft clamp 2-2 to rotate, and the rotating shaft clamp 2-2 drives the rotating shaft 2-6 to rotate.

[0041] The column transmission device is as follows Figure 4As shown, the bottom of the support 3-6 is connected and fixed on the table top, the support 3-6 is inside the lifting shaft 3-3, there are upper and lower bushings 3-13 between the support 3-6 and the lifting shaft 3-3, the upper part of the lifting shaft 3-3 is connected to the sealing ring 3-2 by bolts, the sealing ring 3-2 is provided with a sealing groove, and the built-in O-ring plays a sealing role, the upper part of the outer part of the lifting shaft 3-3 is connected to the corrugated sleeve upper pressure cover 3-4 of the corrugated sleeve 3-11, the upper edge of the corrugated sleeve 3-11 is pressed in the middle and fixed, the lower edge of the corrugated sleeve 3-11 is fixed in the middle of the corrugated sleeve lower pressure cover 3-5 of the corrugated sleeve 3-11 and the support 3-6 (the corrugated sleeve upper pressure cover 3-4, the corrugated sleeve lower pressure cover 3-5 and the corrugated sleeve 3-11 are split structures), the lower part of the rotating shaft 2-6 is connected to the plug lifting plate 3 -7 is fixedly connected, the plug lifting plate 3-7 is fixedly connected with the screw connecting plate 1-2, when the screw 1-7 rotates, it drives the screw nut 1-13 to move up and down, the screw nut 1-13 drives the screw connecting plate 1-2 and the plug lifting plate 3-7 to move up and down together; the lifting shaft 3-3 is a rotating shaft, the upper end surface of the rotating shaft 2-6 is provided with a sealing groove and a threaded hole, and is sealed and fixed with the plug swing arm 4, a bearing 2 3-10 is provided between the rotating shaft 2-6 and the lifting shaft 3-3, and a bearing 2 3-10 is also provided between the lower part and the plug lifting plate 3-7, a spacer 2 3-12 is provided between the two bearings 2 3-10, a spacer 3 3-14 is provided under the bearing 2 under the rotating shaft 2-6, and a stop washer 3-8 and a locking nut 3 3-9 are provided under the spacer 3-14. The support 3-6 is an external support column made of stainless steel, which plays a role in protecting the inner shaft and aesthetics.

[0042] The swing arm provides installation position for filling needle, stopper and other action devices. Figure 5 As shown, the action device used in this embodiment is a plugging device. The lower end of one end of the plugging swing arm 4 is connected to the rotating shaft 2-6, and the upper end is sealed and fixed to the joint cover 3-1. The front section of the plugging swing arm 4 is provided with two knob through holes, two threaded holes, and five suction plug through holes. Two pins with threads on the top are fixed at the two threaded holes. The suction plug 4-4 ​​is provided with threads in the middle, and is fixedly connected to the suction plug fixing plate 4-2 by threads. The suction plug fixing plate 4-2 is positioned by pins. Five suction plugs 4-4 pass through the swing arm suction plug through holes. The suction plug fixing plate 4-2 is fixed to the plugging swing arm 4 by two knobs 4-1. This device can realize the quick replacement of the suction plug. The joint cover 3-1 is an upper sealing part of the overall structure, and a trachea joint is arranged on it, which can hide the trachea into the inner shaft to prevent the trachea from leaking.

[0043] Example 2

[0044] like Figure 6-7 As shown, this embodiment provides a universal swing arm mechanism, which is different from the embodiment 1 in that the action device used in this embodiment is as follows Figure 8The filling needle is shown in the figure. The swing arm adopts the filling swing arm 5, which provides an installation position for the filling needle. The installation method of the filling swing arm 5, the rotating shaft 2-6 and the joint cover 3-1 is consistent with the plugging swing arm 4. The overall structure only needs to remove the upper end joint cover 3-1 to complete the replacement of the plugging swing arm 4 and the filling swing arm 5. The front section of the filling swing arm 5 is provided with a knob through hole and two threaded holes. Two pins 5-4 with threads on the top are fixed at the two threaded holes; the filling needle 5-3 is sleeved on the filling needle holder 5-2, and the filling needle holder is fixed on the filling swing arm 5 by the knob 5-1. The two pins 5-4 are inserted into the two pin holes at the bottom of the filling needle holder 5-2 to complete the positioning of the filling needle holder 5-2.

Claims

1. A universal swing arm mechanism, characterized in that: include: Swing arm for mounting the action device; A column transmission device for driving the swing arm, comprising a lifting shaft (3-3); A lifting device for driving a column transmission device to lift and lower, comprising a screw nut (13) and a screw (1-7) that cooperate with each other and a lifting servo motor (1-9) for driving the screw (1-7), wherein the screw nut (13) is connected to the lower end of a lifting shaft (3-3); A rotating device for driving a column transmission device to rotate comprises a rotating shaft (2-6) inserted into a lifting shaft (3-3) and a rotating servo motor (2-5) for driving the rotating shaft (2-6); a swing arm is connected to the upper end of the rotating shaft (2-6).

2. The universal swing arm mechanism according to claim 1, characterized in that: The upper end of the rotating shaft (2-6) and the lifting shaft (3-3) are provided with a second bearing (3-10), the lower end of the rotating shaft (2-6) is connected to the plug lifting plate (3-7) through another second bearing (3-10), a second spacer sleeve (3-12) is provided between the two second bearings (3-10), the lower end of the rotating shaft (2-6) passes through the plug lifting plate (3-7) and extends downward, the extended part is covered with a third spacer sleeve (3-14), and a stop washer (3-8) and a second locking nut (3-9) are provided outside the third spacer sleeve (3-14).

3. The universal swing arm mechanism according to claim 2, characterized in that: The upper end of the screw rod (1-7) is inserted into the screw rod bearing plate (1-1), and the lower end is inserted into the fixed bottom plate (1-5). A fixed side plate (1-12), a screw rod connecting plate (1-2) and a screw rod guide rod (1-4) are provided between the screw rod bearing plate (1-1) and the fixed bottom plate (1-5). The screw rod connecting plate (1-2) is fixedly connected to the screw rod nut (13) and is movably connected to the screw rod guide rod (1-4) via a screw rod bushing (1-3).

4. The universal swing arm mechanism according to claim 3, characterized in that: A bearing 1 (1-11) is provided between the screw rod (1-7) and the screw rod bearing plate (1-1), a bearing flange seat (1-14) is provided on the fixed base plate (1-5), a pair of bearings 1 (1-11) is provided between the screw rod (1-7) and the bearing flange seat (1-14), and a spacer sleeve 1 (1-15) is provided between the pair of bearings 1 (1-11).

5. The universal swing arm mechanism according to claim 1, characterized in that: The screw rod (1-7) is connected to the output end of the lifting servo motor (1-9) via a coupling (1-8).

6. The universal swing arm mechanism according to claim 1, characterized in that: The column transmission device also includes a plug support (3-6) for fixing the lifting shaft (3-3), and a bushing (3-13) is provided between the lifting shaft (3-3) and the plug support (3-6).

7. The universal swing arm mechanism according to claim 6, characterized in that: The upper part of the lifting shaft (3-3) is sleeved with a corrugated sleeve (3-11), the top of the corrugated sleeve (3-11) is provided with a corrugated sleeve upper pressure cover (3-4), and the bottom is provided with a corrugated sleeve lower pressure cover (3-5).

8. The universal swing arm mechanism according to claim 7, characterized in that: The upper pressure cover (3-4) of the bellows sleeve is connected to the lifting shaft (3-3) via the upper fixing ring of the bellows sleeve, and the lower pressure cover (3-5) of the bellows sleeve is connected to the plug support (3-6) via the lower fixing ring of the bellows sleeve; a sealing ring (3-2) is provided between the top of the lifting shaft (3-3) and the swing arm.

9. The universal swing arm mechanism according to claim 1, characterized in that: The lower end of one end of the swing arm is connected to the rotating shaft (2-6), and a mounting hole for mounting the action device is provided on the swing arm.

10. The universal swing arm mechanism according to claim 1, characterized in that: The rotating device also includes a rotating shaft clamp (2-2) connected to the lower end of the rotating shaft (2-6), a rotating clamp (2-4) connected to the output end of the rotating servo motor (2-5), a lifting slide (2-3) connected to the rotating clamp (2-4), and two sides of the lifting slide (2-3) are rollingly connected to a pair of rollers (2-1) fixed on the rotating shaft clamp (2-2); the rotating shaft (2-6) and the output end of the rotating servo motor (2-5) are concentrically arranged.

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