Piston driving device of multi-head filling machine

Abstract

The utility model discloses a piston driving device of a multi-head filling machine, which belongs to the technical field of machinery and comprises a power device, a driving shaft which is driven by the power device and rotates, and a driving plate which is driven by the driving shaft to do reciprocating motion in the horizontal direction, and the two ends of the front connecting plate are movably connected with the driving plate and a plurality of pistons of the multi-head filling machine respectively. According to the multi-head filling machine piston driving device, a one-to-many driving structure is adopted, the installation mode of the multi-head filling machine piston driving device is simplified, the control program writing amount is reduced, the installation and debugging workload is reduced, and under the condition that the number of pistons is the same, the overall occupied area of the driving device is smaller.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely relates to a multi -head filling machine piston drive arrangement. BACKGROUND

[0002] The existing filling machine piston drive arrangement structure as Figure 1 The utility model relates to mechanical technical field, concretely relates to a multi -head filling machine piston drive arrangement. TECHNICAL SOLUTION

[0003] The utility model aims at solving the problem of the complicated structure of the filling machine piston drive arrangement in the prior art, which leads to inconvenient debugging and large space occupation, and provides a multi -head filling machine piston drive arrangement, which adopts a drive structure form with one drive for multiple pistons, simplifies the installation mode, reduces the amount of control program writing, and reduces the installation and debugging workload.

[0004] In order to achieve the above-mentioned utility model purposes, the technical scheme of the utility model is as follows:

[0005] A multi -head filling machine piston drive arrangement, comprising a power device, a drive shaft driven by the power device and rotating, a drive plate driven by the drive shaft to move reciprocally in the horizontal direction, a front connecting plate provided at the front end of the drive plate, and a plurality of pistons of the multi -head filling machine movably connected to the drive plate and the front connecting plate at both ends of the front connecting plate.

[0006] Further, the power device is a servo motor, the drive shaft is connected to the power output end of the servo motor, and is arranged horizontally perpendicular to the piston axis direction.

[0007] Further, the drive shaft is provided with a bearing seat at both shaft ends, and is rotatably connected to the two bearing seats at both ends.

[0008] Further, coaxial fixed connection has gear on the drive shaft, drive plate is provided with rack parallel to the piston axis direction and engaged with the gear, drive shaft rotation makes gear rack cooperation, makes drive plate reciprocating motion along the piston axis direction.

[0009] Further, the drive shaft and the drive plate are provided with two groups of meshing gear racks correspondingly, two front connecting plates are correspondingly provided at the front end of the drive plate, and the two front connecting plates are respectively connected with the same number of pistons.

[0010] Further, the front connecting plate is provided with a connecting hole corresponding to the plurality of pistons at the front end, and is provided with a connecting hole connected with the drive plate at the rear end.

[0011] Further, the front and rear end connecting holes of the front connecting plate are strip-shaped holes.

[0012] Further, the length direction of the strip-shaped hole at the front end of the front connecting plate is horizontal, and the length direction of the strip-shaped hole at the rear end is vertical.

[0013] The working principle of the utility model is as follows:

[0014] The servo motor drives the drive shaft to rotate, the drive shaft drives the drive plate to reciprocate along the piston axis direction by gear rack cooperation, the drive plate is connected with the plurality of pistons through the front connecting plate at the front end, and simultaneously drives the plurality of pistons to synchronously extend and retract, so that the "one-to-many" driving structure form is realized.

[0015] In summary, the utility model has the following advantages:

[0016] 1. The utility model adopts the "one-to-many" driving structure form, simplifies the installation mode of the multi-head filling machine piston driving device, reduces the control program writing amount, reduces the installation and debugging workload, in the case that the number of pistons is the same, the driving equipment occupies smaller area;

[0017] 2. In the utility model, the front connecting plate can drive the plurality of pistons simultaneously, the front connecting plate has the activity allowance in horizontal and vertical directions at the front and rear ends, has the function of floating joint, effectively reduces the influence of installation position offset, and facilitates quick installation and debugging;

[0018] 3. In the utility model, two groups of gear rack engagement transmission mechanisms can be arranged on the drive shaft and the drive plate, two front connecting plates are arranged simultaneously and drive two groups of plurality of pistons in the multi-head filling machine to synchronously reciprocate, under the condition of ensuring transmission stability, the number of drivable pistons is further increased, and the efficiency is improved. DRAWINGS

[0019] Figure 1 It is the structure side view of the prior filling machine piston driving device.

[0020] Figure 2 It is a structure top view of the existing piston driving device of the filling machine;

[0021] Figure 3 It is a structure top view of the piston driving device of the multi-head filling machine;

[0022] Figure 4 It is a structure front view of the piston driving device of the multi-head filling machine;

[0023] Figure 5 It is a structure side view of the piston driving device of the multi-head filling machine;

[0024] Figure 6 It is a top view of the front connecting plate of the utility model;

[0025] Figure 7 It is a schematic view of the front end connecting hole of the front connecting plate of the utility model;

[0026] Figure 8 It is a schematic view of the rear end connecting hole of the front connecting plate of the utility model;

[0027] In the drawing:

[0028] 1, servo motor, 2, drive shaft, 3, gear, 4, rack, 5, drive plate, 6, front connecting plate, 7, front end connecting hole, 8, rear end connecting hole, 9, support seat, 10, piston, 11, multi-head filling machine. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0031] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the utility model, it needs to be explained that, the terms "upper", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] Embodiment 1

[0035] The utility model provides a kind of multihead filling machine piston driving device, including power device, by power device and rotates driving shaft 2, by the driving shaft 2 is driven in horizontal direction and does reciprocating motion driving plate 5, the front end of the driving plate 5 is provided with front connecting plate 6, and the front connecting plate 6 two ends are respectively connected with driving plate 5 and the plurality of pistons 10 of multihead filling machine 11.

[0036] In the utility model, power device preferably adopts servo motor 1, to reduce the installation space in width direction, servo motor 1 is vertically arranged. Driving shaft 2 is vertically arranged to the piston 10 axis direction, and its two shaft ends are respectively provided with bearing seat 9, and driving shaft 2 is rotatably connected on two bearing seats 9, and realizes positive and reverse rotation under the action of servo motor 1.

[0037] Further, gear 3 is coaxially fixedly connected on driving shaft 2, and rack 4 is provided on driving plate 5 parallel to the piston 10 axis direction, and driving shaft 2 rotation makes gear 3 cooperate with rack 4, drives driving plate 5 to reciprocate along the piston 10 axis direction.

[0038] In the scheme, the front connecting plate 6 is a rectangular frame structure, and a plurality of connecting holes corresponding to the plurality of pistons 10 are arranged at the front end of the front connecting plate 6, and a connecting hole connected with the driving plate 5 is arranged at the rear end of the front connecting plate 6.

[0039] Further, the length direction of the strip-shaped hole at the front end of the front connecting plate 6 is horizontal, and the length direction of the strip-shaped hole at the rear end of the front connecting plate 6 is vertical, so that the front end and the rear end of the front connecting plate 6 have the movement allowance in the horizontal direction and the vertical direction, respectively.

[0040] The working principle of the utility model is as follows:

[0041] The servo motor 1 drives the driving shaft 2 to rotate, the driving shaft 2 drives the driving plate 5 to reciprocate along the axis direction of the piston 10 by cooperating with the gear 3 and the rack 4, the front end of the driving plate 5 is connected with the plurality of pistons 10 through the front connecting plate 6, and simultaneously drives the plurality of pistons 10 to synchronously extend and retract, so that the driving structure form of "one drives many" is realized, the installation mode is simplified, the control program writing amount is reduced, and the installation and debugging workload is reduced; in the case that the number of pistons 10 is the same, the driving equipment occupies smaller land.

[0042] Embodiment 2

[0043] The embodiment provides a piston driving device of a multi-head filling machine, as shown in the figure, which comprises a servo motor 1, a driving shaft 2, a driving plate 5 and a front connecting plate 6. Figures 3 to 5 The servo motor 1 is used as a power device, and the output end of the servo motor 1 is connected with the driving shaft 2 to drive the driving shaft 2 to rotate.

[0044] In the embodiment, as shown in the figure, the multi-head filling machine 11 is divided into two groups, and each group corresponds to four pistons 10. Figure 2 Corresponding to the two groups of multi-head filling machines 11, two gears 3 are fixedly arranged on the driving shaft 2, and the driving plate 5 is located below the driving shaft 2 and is provided with racks 4 parallel to the axis direction of the piston 10 and matched with the two gears 3, respectively.

[0045] As shown in the figure, the front connecting plate 6 is connected to the front end of the driving plate 5 and is a rectangular frame structure. Figures 6 to 7 In the scheme, each group of multi-head filling machines 11 corresponds to one front connecting plate 6, the front end of the front connecting plate 6 is provided with a plurality of connecting holes corresponding to the plurality of pistons 10, and the rear end of the front connecting plate 6 is provided with a connecting hole connected with the driving plate 5. Figure 3As shown, the piston 10 connecting end passes through the front end connecting hole 7, and is fixed by a bolt to prevent the front connecting plate 6 from coming out.

[0046] Specifically, the front and rear end connecting holes 8 of the front connecting plate 6 are strip-shaped holes, which make the front connecting plate 6 have the function of a floating joint, can effectively reduce the influence of installation position deviation, and facilitate quick installation and debugging.

[0047] Further, the length direction of the strip-shaped hole at the front end of the front connecting plate 6 is horizontal, and the length direction of the strip-shaped hole at the rear end is vertical, so that the front end and the rear end of the front connecting plate 6 have the movement allowance in the horizontal and vertical directions, respectively.

[0048] The driving device in the embodiment can drive two groups of eight pistons of the multi-head filling machine, further increases the number of driveable pistons under the condition of ensuring stable transmission, and improves the efficiency. The number of pistons can be adaptively adjusted according to actual conditions, and is not limited by the utility model.

[0049] The working principle of the utility model is as follows:

[0050] The servo motor 1 drives the driving shaft 2 to rotate, the driving shaft 2 drives the driving plate 5 to do reciprocating motion along the axis direction of the piston 10 by cooperating with the two pairs of gear 3 and rack 4 transmission mechanisms, the front end of the driving plate 5 is connected with four pistons 10 in the two groups of multi-head filling machines 11 through two front connecting plates 6, respectively, and drives eight pistons 10 to synchronously stretch and retract.

[0051] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification and equivalent change according to the technical essence of the utility model to the above embodiment all fall within the protection scope of the utility model.

Claims

1. A multiple head filler piston drive apparatus, characterized by, The utility model relates to a multi-head filling machine, including power device, drive shaft (2) driven and rotated by power device, drive plate (5) that is driven in horizontal direction by the drive shaft (2) and does reciprocating motion, the drive plate (5) front end is provided with front connecting plate (6), and the both ends of front connecting plate (6) are respectively connected with drive plate (5) and the multiple piston (10) of multi-head filling machine (11) activity.

2. A multiple head filler piston drive as claimed in claim 1, characterised in that, The power device is servo motor (1), and the drive shaft (2) is connected at the power output end of servo motor (1), and is arranged perpendicularly to the piston (10) axis direction horizontally.

3. A multiple head filler piston drive as claimed in claim 1, characterised in that, The both ends of drive shaft (2) are provided with bearing seat (9) respectively, and the both ends of drive shaft (2) are rotatably connected on two bearing seats (9).

4. A multiple head filler piston drive apparatus as claimed in claim 1, wherein, The coaxial fixed connection of gear (3) is provided on drive shaft (2), and the rack (4) that is engaged with gear (3) is provided on drive plate (5) parallel to the piston (10) axis direction, and drive shaft (2) rotation makes gear (3) rack (4) cooperation, and makes drive plate (5) reciprocating motion along the piston (10) axis direction.

5. A multiple head filler piston drive as claimed in claim 4, characterised in that, The both ends of drive shaft (2) are provided with two groups of meshing gear (3) rack (4) correspondingly, and two front connecting plates (6) are provided at the front end of drive plate (5) correspondingly, and the both ends of two front connecting plates (6) are connected with the same number of multiple pistons (10) respectively.

6. A multiple head filler piston drive as claimed in any one of claims 1 to 5, characterised in that, The front end of front connecting plate (6) is provided with connecting hole corresponding to multiple pistons (10), and the rear end is provided with connecting hole connected with drive plate (5).

7. A multiple head filler piston drive as claimed in claim 6, characterised in that, The front and rear end connecting holes of front connecting plate (6) are strip holes.

8. A multiple head filler piston drive as claimed in claim 7, characterised in that, The length direction of strip hole at the front end of front connecting plate (6) is horizontal direction, and the length direction of strip hole at the rear end is vertical direction.

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