Hanging rack rotation driving mechanism

Abstract

The utility model belongs to the field of vacuum coating, and particularly relates to a hanger rotation driving mechanism which comprises a bracket, the driving part is used for extending into the coating cavity to drive the goods shelf to drive the workpiece to rotate; the lifting driving assembly is used for driving the driving part to be separated from or connected with the goods shelf, the lifting driving assembly is arranged on the support, and the lifting driving assembly is in driving connection with the driving part; the rotation driving assembly is used for driving the driving part to rotate, the rotation driving assembly is arranged on the support, and the rotation driving assembly is in driving connection with the driving part. According to the utility model, after the goods shelf moves into the coating cavity, the lifting driving assembly is used for controlling the driving piece to move to be in transmission connection with the goods shelf, and then the rotating driving assembly is used for controlling the driving piece to rotate, so that the workpieces on the goods shelf are controlled to rotate, and the coating effect of the workpieces in the continuous coating process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of vacuum coating, especially relates to a hanger rotation driving mechanism. BACKGROUND

[0002] Vacuum coating technology is an important branch of vacuum application technology, it involves a series of new technologies such as electron beam, molecular beam, ion beam, plasma beam, radio frequency and magnetic control, for a kind of in vacuum the metal, alloy or compound is evaporated or sputtered, makes its condensation and deposition on the workpiece surface and forms the method of thin film.Vacuum coating equipment of existing more for single coating cavity, this kind of vacuum coating equipment can only satisfy single coating process, when workpiece needs to be coated by a plurality of coating processes, need manually transfer the goods shelf between multiple single-chamber coating equipment, and the coating efficiency is poor;

[0003] In order to improve the efficiency of coating process, the prior art innovatively proposes a continuous vacuum coating equipment with multiple coating cavities.However, in this prior art, based on the goods shelf is transported between the coating cavity, cannot be directly connected with the goods shelf driving as the single coating cavity of vacuum coating equipment, to directly drive the rotation of the workpiece on the goods shelf driving structure;Therefore, in order to ensure the uniformity and quality of coating, how to drive the goods shelf to drive the workpiece on it to rotate when the goods shelf enters the corresponding coating cavity has become a problem to be solved. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the purpose of the utility model is to provide a hanger rotation driving mechanism, the goods shelf can be used to drive the goods shelf to drive the workpiece on it to rotate after the goods shelf is transported to the coating position.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows.

[0006] A hanger rotation driving mechanism, comprising:

[0007] Support;

[0008] Driving part for driving the goods shelf to drive the workpiece to rotate into the coating cavity;

[0009] Lifting driving assembly for driving the driving part to separate or connect with the goods shelf, the lifting driving assembly is arranged on the support, and the lifting driving assembly is drivingly connected with the driving part;

[0010] Rotary driving assembly for driving the driving part to rotate, the rotary driving assembly is arranged on the support, and the rotary driving assembly is drivingly connected with the driving part.

[0011] In the mechanism, when the shelf moves into the coating cavity, the lifting driving assembly is used to control the driving element to move into transmission connection with the shelf, the rotating driving assembly is used to control the driving element to rotate, and then the workpiece on the shelf is controlled to rotate, so that the coating effect of the workpiece in the continuous coating process is ensured.

[0012] Further, the driving element comprises a rotating sleeve and a lifting rod, one end of the lifting rod is formed with a driving end for driving the shelf to rotate, the rotating sleeve is sleeved outside the lifting rod, and the lifting driving assembly is driven to connect the other end of the lifting rod through a bearing to drive the lifting rod to lift on the rotating sleeve.

[0013] The rotating driving assembly is driven to connect the rotating sleeve, and the lifting rod is driven to rotate through the rotating sleeve.

[0014] Further, the inner side of the rotating sleeve is provided with a sliding groove in the axial direction, and the outer side of the lifting rod is provided with a sliding protrusion which is slidably arranged in the sliding groove.

[0015] Further, the rotating driving assembly comprises a rotating motor and a first gear, the rotating motor is driven to connect the first gear, the second gear is sleeved outside the rotating sleeve, and the first gear is engaged with the second gear.

[0016] Further, the lifting driving assembly comprises a lifting cylinder, and the lifting cylinder is driven to connect the other end of the lifting rod.

[0017] Further, the rotating sleeve is sleeved with a first insulating sleeve outside for isolating the surface current of the coating equipment, and the support is connected with the first insulating sleeve.

[0018] Further, one end of the rotating sleeve is movably connected with the first insulating sleeve through a bearing.

[0019] Further, the other end of the rotating sleeve is movably connected with the support through a bearing.

[0020] Further, the second insulating sleeve for preventing the current from being conducted through the lifting rod is sleeved at one end of the lifting rod, and the driving end is located at the end of the second insulating sleeve.

[0021] Further, the driving end is provided with a driving column body on both sides.

[0022] The beneficial effect of the utility model lies in that, in the mechanism, when the shelf moves into the coating cavity, the lifting driving assembly is used to control the driving element to move into transmission connection with the shelf, the rotating driving assembly is used to control the driving element to rotate, and then the workpiece on the shelf is controlled to rotate, so that the coating effect of the workpiece in the continuous coating process is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 Fig. 1 is a structural schematic diagram of a hanging rack rotation driving mechanism and a part of a coating equipment shell.

[0024] Fig. 2 Fig. 2 is a structural schematic diagram of a hanging rack rotation driving mechanism.

[0025] Fig. 3 Fig. 3 is a sectional view of a hanging rack rotation driving mechanism.

[0026] Reference signs:

[0027] 1, support;

[0028] 2, driving member; 21, rotating sleeve; 211, sliding groove; 212, first insulating sleeve; 213, first bearing; 214, second bearing; 215, second gear; 22, lifting rod; 221, driving end; 222, sliding protrusion; 223, second insulating sleeve; 224, driving column;

[0029] 3, lifting driving assembly; 31, lifting cylinder; 32, third bearing;

[0030] 4, rotation driving assembly; 41, rotation motor; 42, first gear;

[0031] 5, coating equipment;

[0032] 6, coating cavity. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0034] Referring to Figs. 1-3 , the embodiment provides a hanging rack rotation driving mechanism, which comprises:

[0035] a support 1;

[0036] a driving member 2 for extending into a coating cavity 6 to drive a rack to rotate with workpieces;

[0037] a lifting driving assembly 3 for driving the driving member 2 to be separated from or connected with the rack, the lifting driving assembly 3 being arranged on the support 1 and being drivingly connected with the driving member 2;

[0038] a rotation driving assembly 4 for driving the driving member 2 to rotate, the rotation driving assembly 4 being arranged on the support 1 and being drivingly connected with the driving member 2.

[0039] In the mechanism, when the shelf moves into the coating cavity 6, the driving member 2 is controlled to move into transmission connection with the shelf through the lifting driving assembly 3, and then the driving member 2 is controlled to rotate through the rotating driving assembly 4, so as to control the workpiece on the shelf to rotate, thereby ensuring the coating effect of the workpiece in the continuous coating process.

[0040] In the embodiment, the driving member 2 comprises a rotating sleeve 21 and a lifting rod 22. The lifting rod 22 is provided with a driving end 221 at one end for driving the shelf to rotate. The rotating sleeve 21 is sleeved outside the lifting rod 22. The rotating sleeve 21 and the lifting rod 22 only move in the axial direction relative to each other. The lifting driving assembly 3 is drivingly connected to the other end of the lifting rod 22 to drive the lifting rod 22 to lift on the rotating sleeve 21.

[0041] The rotating driving assembly 4 is drivingly connected to the rotating sleeve 21 to drive the rotating sleeve 21 to rotate and drive the lifting rod 22 to rotate. The lifting driving assembly 3 drives the lifting rod 22 to lift on the rotating sleeve 21 to control the lifting rod 22 to be disconnected or connected with the shelf. When the lifting rod 22 is connected with the shelf, the rotating driving assembly 4 drives the rotating sleeve 21 to rotate to drive the lifting rod 22 to rotate through the rotating sleeve 21.

[0042] In the embodiment, the inner side of the rotating sleeve 21 is provided with a sliding groove 211 in the axial direction. The outer side of the lifting rod 22 is provided with a sliding protrusion 222 which is slidably arranged in the sliding groove 211. The rotating sleeve 21 and the lifting rod 22 can only move in the axial direction relative to each other through the cooperation of the sliding groove 211 and the sliding protrusion 222. Specifically, the sliding grooves 211 are arranged on both sides of the inner side of the rotating sleeve 21. The lifting rod 22 is provided with the sliding protrusions 222 on both sides.

[0043] In the embodiment, the rotating driving assembly 4 comprises a rotating motor 41 and a first gear 42. The rotating motor 41 is drivingly connected to the first gear 42. The outer side of the rotating sleeve 21 is sleeved with a second gear 215. The first gear 42 is engaged with the second gear 215. The rotating motor 41 drives the first gear 42 to rotate. When the first gear 42 rotates, the second gear 215 engaged with the first gear 42 also rotates. Then the second gear 215 drives the rotating sleeve 21 to rotate.

[0044] In the embodiment, the lifting driving assembly 3 comprises a lifting cylinder 31 which is drivingly connected to the other end of the lifting rod 22.

[0045] In the embodiment, the outer side of the rotating sleeve 21 is sleeved with a first insulating sleeve 212 for isolating the surface current of the coating equipment 5. The support 1 is connected with the first insulating sleeve 212.

[0046] In the embodiment, one end of the rotating sleeve 21 is movably connected with the first insulating sleeve 212 through the first bearing 213. Specifically, the first bearing 213 can be mounted on the support 1, one end of the rotating sleeve 21 passes through the first insulating sleeve 212, the support 1, the first insulating sleeve 212, and the rotating sleeve 21 can rotate relative to the support 1 through the first bearing 213, so as to indirectly movably connect with the first insulating sleeve 212.

[0047] In the embodiment, the other end of the rotating sleeve 21 is movably connected with the support 1 through the second bearing 214.

[0048] In the embodiment, one end of the lifting rod 22 is sleeved with a second insulating sleeve 223 for preventing current conduction through the lifting rod 22, and the driving end 221 is located at the end of the second insulating sleeve 223.

[0049] In the embodiment, the driving end 221 is provided with driving columns 224 on both sides. After the driving end 221 extends into the corresponding position of the shelf, when the lifting rod 22 rotates, the driving columns 224 can drive the position of the workpiece carried on the shelf to rotate, so as to drive the workpiece to rotate and be coated.

[0050] In the embodiment, the lifting driving assembly 3 is drivingly connected with the other end of the lifting rod 22 through the third bearing 32. Specifically, the third bearing 32 is fixed to the other end of the lifting cylinder 31, and the third bearing 32 is sleeved on the other end of the lifting rod 22, so that the lifting rod 22 can also rotate relative to the lifting cylinder 31 when the lifting cylinder 31 drives the lifting rod 22.

[0051] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rack-rotating drive mechanism characterized by comprising: The utility model relates to a workpiece rotating device, including: a support; a driving part for driving the workpiece to rotate by extending into a coating cavity; a lifting driving assembly for driving the driving part to be connected or separated from the support, the lifting driving assembly being arranged on the support and being drivingly connected with the driving part; a rotating driving assembly for driving the driving part to rotate, the rotating driving assembly being arranged on the support and being drivingly connected with the driving part.

2. The rotary drive mechanism for a rack assembly as in claim 1, wherein, The driving part comprises a rotating sleeve and a lifting rod, one end of the lifting rod being formed with a driving end for driving the support to rotate, the rotating sleeve being sleeved outside the lifting rod, the lifting driving assembly being drivingly connected with the other end of the lifting rod through a bearing to drive the lifting rod to lift on the rotating sleeve; the rotating driving assembly is drivingly connected with the rotating sleeve to drive the rotating sleeve to rotate and in turn drive the lifting rod to rotate.

3. The rotary drive mechanism for a rack assembly of claim 2, wherein, An inner side of the rotating sleeve is provided with a sliding groove in the axial direction, and an outer side of the lifting rod is provided with a sliding protrusion which is slidingly arranged in the sliding groove.

4. The rotary drive mechanism for a rack assembly of claim 2, wherein, The rotating driving assembly comprises a rotating motor and a first gear, the rotating motor being drivingly connected with the first gear; a second gear is sleeved outside the rotating sleeve, and the first gear is engaged with the second gear.

5. The rotary drive mechanism for a rack assembly as defined in claim 2 wherein, The lifting driving assembly comprises a lifting cylinder which is drivingly connected with the other end of the lifting rod.

6. The rotary drive mechanism for a rack assembly of claim 2, wherein, A first insulating sleeve is sleeved outside the rotating sleeve for isolating surface current of a coating device; the support is connected with the first insulating sleeve.

7. A store pylon rotational drive mechanism according to claim 6, wherein One end of the rotating sleeve is movably connected with the first insulating sleeve through a bearing.

8. The rotary drive mechanism for a rack assembly as defined in claim 7 wherein, The other end of the rotating sleeve is movably connected with the support through a bearing.

9. The rotary drive mechanism for a rack assembly of claim 2, wherein, A second insulating sleeve is sleeved at one end of the lifting rod for preventing current conduction through the lifting rod, and the driving end is located at the end of the second insulating sleeve.

10. The rotary drive mechanism for a rack assembly of claim 2, wherein, Driving columns are arranged at both sides of the driving end.

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