A weighing block opening device

Abstract

The utility model discloses a weighing block opening device, including: a driving device, a bearing seat, a coupling, a main shaft, an eccentric wheel, a telescopic shaft, a cam block and an opening plate, the driving device is installed on the main shaft through a coupling, the main shaft and two telescopic shafts are installed on the bearing seat, and one end of the two telescopic shafts extends out of the bearing seat, the eccentric wheel is installed on the main shaft, two cam blocks are installed on the telescopic shaft, and the opening plate is installed on one end of the two telescopic shafts extending out of the bearing seat. Through the application of the utility model, a weighing block opening device is provided, the power source of the application adopts a servo motor, which responds at high speed to meet high-speed production, and adjusts the motion curve to reduce the impact of the whole device and the noise generated, the telescopic mechanism of the block adopts a reasonably arranged cam mechanism to directly convert the rotational motion of the main shaft into the telescopic motion of the block opening plate, plus the cam block, the structure of the telescopic shaft makes the whole block opening device more compact and reduces the impact on the hundred-level environment.

Description

Technical Field

[0001] The utility model relates to the technical field of shifting blocks, in particular to a weighing shifting block opening device. Background Art

[0002] As pharmaceutical filling equipment puts forward the requirement of 100% online weighing of the filling volume, the filling equipment must separate the weighed bottle from the dial block during weighing, otherwise the weighing sensor cannot obtain the accurate weight. In order to separate the weighed bottle from the dial block, a weighing dial block opening device has been developed. The weighing dial block opening devices on the market often use cylinders as the power source, and the telescopic mechanism of the dial block is relatively complex. However, when using the cylinder as the power source of the dial block opening device, the cylinder does not have time to respond at high speed, and there is a significant impact. The telescopic mechanism of the dial block is a relatively complex structure under the Class 100 environment, and often has a larger volume, thus affecting the Class 100 environment. Utility Model Content

[0003] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a weighing block opening device, comprising:

[0004] A driving device, a bearing seat, a coupling, a main shaft, an eccentric wheel, a telescopic shaft, a cam stopper and an opening plate, wherein the driving device is installed on the main shaft through the coupling, the main shaft and the two telescopic shafts are respectively installed on the bearing seat along a first direction and a second direction, and one end of the two telescopic shafts extends out of the bearing seat, the eccentric wheel is installed on the main shaft, the two cam stops are installed on the telescopic shaft, and the eccentric wheel is arranged between the two cam stops, and the opening plate is installed on one end of the two telescopic shafts extending out of the bearing seat.

[0005] In another preferred embodiment, the lower end of the bearing seat is fixed to the driving device by screws.

[0006] In another preferred embodiment, through holes are provided on both sides of the upper end of the bearing seat, and the telescopic shaft is movably disposed in the through holes.

[0007] In another preferred embodiment, the driving device is a servo motor.

[0008] In another preferred embodiment, two shaft sleeves are provided on one side of the opening plate facing the two telescopic shafts, and the two telescopic shafts are mounted on the two shaft sleeves.

[0009] Due to the adoption of the above technical scheme, the utility model has the following positive effects compared with the prior art: through the application of the utility model, a weighing block opening device is provided, the power source of the present application adopts a servo motor with high-speed response to meet the high-speed production, and adjusts the motion curve to reduce the impact of the whole device and the noise generated, the telescopic mechanism of the block adopts a reasonably arranged cam mechanism to directly convert the rotational motion of the main shaft into the telescopic motion of the block opening plate, and with the addition of a cam baffle, the structure of the telescopic shaft makes the whole set of block opening device more compact and reduces the impact on the Class 100 environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of a weighing block opening device of the utility model;

[0011] Figure 2 The utility model is a top view of a weighing block opening device.

[0012] In the attached figure: 1. driving device; 2. coupling; 3. bearing seat; 4. main shaft; 5. eccentric wheel; 6. cam stopper; 7. telescopic shaft; 8. opening plate; 9. bushing. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0014] like Figure 1 and Figure 2 As shown, a weighing block opening device of a preferred embodiment is shown, comprising:

[0015] A driving device 1, a bearing seat 3, a coupling 2, a main shaft 4, an eccentric wheel 5, a telescopic shaft 7, a cam stopper 6 and an opening plate 8. The driving device 1 is installed on the main shaft 4 through the coupling 2. The main shaft 4 and the two telescopic shafts 7 are respectively installed on the bearing seat 3 along the first direction and the second direction, and one end of the two telescopic shafts 7 extends out of the bearing seat 3. The eccentric wheel 5 is installed on the main shaft 4, and the two cam stops 6 are installed on the telescopic shaft 7, and the eccentric wheel 5 is arranged between the two cam stops 6; the opening plate 8 is installed on one end of the two telescopic shafts 7 extending out of the bearing seat 3.

[0016] During actual use, the driving device 1 transmits power to the main shaft 4 through the coupling 2. The main shaft 4 drives the eccentric wheel 5 to rotate. The rotation of the eccentric wheel 5 squeezes the cam block 6 to make a linear motion. The cam block 6 drives the telescopic shaft 7 and the opening plate 8 to make a telescopic motion together. Finally, the opening plate 8 can open the shift block that needs to be opened for weighing.

[0017] Further, as a preferred embodiment, the first direction and the second direction are arranged perpendicular to each other.

[0018] Further, as a preferred embodiment, the lower end of the bearing seat 3 is fixed to the driving device 1 by screws.

[0019] Further, as a preferred embodiment, through holes are provided on both sides of the upper end of the bearing seat 3, and the telescopic shaft 7 is movably arranged in the through holes. Further, the two cam blocks 6 respectively drive the two telescopic shafts 7 to move in the through holes.

[0020] Further, as a preferred embodiment, the driving device 1 is a servo motor. Further, the rotation of the servo motor drives the coupling 2 to rotate, the rotation of the coupling 2 drives the main shaft 4 to rotate, and the rotation of the main shaft 4 drives the eccentric wheel 5 to rotate.

[0021] Further, as a preferred embodiment, two sleeves 9 are provided on one side of the opening plate 8 facing the two telescopic shafts 7, and the two telescopic shafts 7 are mounted on the two sleeves 9. Further, the two telescopic shafts 7 extend into the two sleeves 9 respectively, so that the opening plate 8 is mounted on the two telescopic shafts 7.

[0022] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A weighing block opening device, characterized in that: include: A driving device, a bearing seat, a coupling, a main shaft, an eccentric wheel, a telescopic shaft, a cam stopper and an opening plate, wherein the driving device is installed on the main shaft through the coupling, the main shaft and the two telescopic shafts are respectively installed on the bearing seat along a first direction and a second direction, and one end of the two telescopic shafts extends out of the bearing seat, the eccentric wheel is installed on the main shaft, the two cam stops are installed on the telescopic shaft, and the eccentric wheel is arranged between the two cam stops, and the opening plate is installed on one end of the two telescopic shafts extending out of the bearing seat.

2. The weighing block opening device according to claim 1, characterized in that: The lower end of the bearing seat is fixedly mounted on the driving device by screws.

3. The weighing block opening device according to claim 1, characterized in that: Through holes are arranged on both sides of the upper end of the bearing seat, and the telescopic shaft is movably arranged in the through holes.

4. The weighing block opening device according to claim 1, characterized in that: The driving device is a servo motor.

5. The weighing block opening device according to claim 1, characterized in that: Two shaft sleeves are arranged on one side of the opening plate facing the two telescopic shafts, and the two telescopic shafts are installed on the two shaft sleeves.

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