Locking device

Abstract

The utility model discloses a locking device which comprises a first sleeve and a second sleeve, the second sleeve is used for being arranged on a rotating shaft in a sleeved mode, the first sleeve is arranged outside the second sleeve in a sleeved mode, and an elastic assembly is arranged between the first sleeve and the second sleeve in a pressing mode. The elastic assembly generates axial force between the first sleeve and the second sleeve, and the second sleeve can axially move relative to the first sleeve; a guide conical surface is arranged in the front end of the first sleeve, a locking part is mounted at the front end of the second sleeve, the second sleeve can drive the locking part to axially move, the locking part can be in contact with the guide conical surface, the guide conical surface can control the locking part to radially move, and the locking part is used for radially jacking the rotating shaft. The material tray locking and unlocking device is simple and practical in structure and convenient and fast to operate, the locking and unlocking processes of the material tray can be conveniently achieved, the operation efficiency is improved, and the labor intensity of operators is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of automation equipment, and particularly relates to a locking device. Background Art

[0002] In the field of electronic product assembly, material trays are widely used for loading materials. A material tray wrapped with a material tape is fixedly installed on a rotating shaft to realize the rotation and discharge of the material tray. After the material tape on the material tray is used up, it needs to be removed and replaced with a new material tray for continued processing and production. In the prior art, after the material tray is mounted on the rotating shaft, a locking disk is mounted, and the material tray is tightened on the rotating shaft through the locking keyboard, and the locking screw of the locking disk is tightened against the rotating shaft to fix the material tray. When the material tray needs to be removed, the locking screw is loosened, the locking disk and the material tray are removed, and then a new material tray is replaced. The above-mentioned installation and disassembly process is very cumbersome, and the locking screw is inconvenient to tighten, which reduces the installation and disassembly efficiency and increases the labor intensity of the operator. Utility Model Content

[0003] In order to solve the above problems existing in the prior art, the purpose of the present invention is to provide a locking device.

[0004] The technical solution adopted by this utility model is:

[0005] A locking device comprises a first sleeve and a second sleeve, wherein the second sleeve is adapted to be sleeved onto a rotating shaft, the first sleeve being sleeved onto the outside of the second sleeve, an elastic component being press-fitted between the first and second sleeves, the elastic component generating an axial force between the first and second sleeves, and the second sleeve being capable of axial movement relative to the first sleeve;

[0006] A guide cone surface is provided inside the front end of the first sleeve, and a locking part is installed at the front end of the second sleeve. The second sleeve can drive the locking part to move axially, and the locking part can contact the guide cone surface. The guide cone surface can control the radial movement of the locking part, and the locking part is used to radially tighten the rotating shaft.

[0007] Preferably, the first sleeve has a first boss, the second sleeve is based on the second boss, and the elastic component is installed between the first boss and the second boss.

[0008] Preferably, a guide ring is detachably installed inside the front end of the first sleeve, the guide cone is located on the inner circular surface of the guide ring, the guide ring is sleeved on the front end of the second sleeve, and the second sleeve can move axially relative to the guide ring.

[0009] Preferably, the guide ring is threadedly connected to the first sleeve.

[0010] Preferably, the locking portion is spherical, a mounting hole is provided at the front end of the second sleeve, the locking portion is installed in the mounting hole, and the diameter of the inner end of the mounting hole is smaller than the diameter of the spherical locking portion.

[0011] Preferably, at least three locking portions are evenly spaced circumferentially mounted on the front end of the second sleeve.

[0012] Preferably, an operating ring is installed at the rear end of the second sleeve, and the operating ring is used to pull the second sleeve to move axially relative to the first sleeve.

[0013] Preferably, the rear end of the second sleeve has a mounting step, and the operating ring is sleeved on the mounting step.

[0014] Preferably, the rear end of the second sleeve is threadedly connected to a clamping ring, and the clamping ring is used to clamp and fix the operating ring.

[0015] Preferably, the elastic component is a spring, and the elastic component is sleeved on the second sleeve.

[0016] The beneficial effects of the utility model are as follows: the utility model has a simple and practical structure, low cost, and convenient and quick operation, and can very conveniently realize the locking and unlocking process of the material tray, thereby improving the operating efficiency and reducing the labor intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the guide ring structure in the utility model;

[0020] Figure 4 This is a schematic diagram of the second sleeve structure in the utility model;

[0021] Figure 5 It is a schematic diagram of the cooperation between the utility model, the material tray and the rotating shaft.

[0022] In the figure: 1-first sleeve; 2-second sleeve; 3-elastic component; 4-guide cone; 5-locking part; 6-first boss; 7-second boss; 8-guide ring; 9-mounting hole; 10-operating ring; 11-mounting step; 12-clamping ring; 13-material tray; 14-rotating shaft. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in combination with the drawings and the descriptions of the embodiments or the prior art. Obviously, the following descriptions of the structures of the drawings are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] The following will describe the technical solutions provided by the present invention in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0025] In some instances, some embodiments are not described or not described in detail because they belong to existing or conventional technologies.

[0026] In addition, the technical features described herein, or the steps of all methods or processes disclosed herein, except for mutually exclusive features and / or steps, can also be combined in any suitable manner in one or more embodiments. For those skilled in the art, it is easy to understand that the order of steps or operations of the methods related to the embodiments provided herein can also be changed. Any order in the drawings and embodiments is for illustrative purposes only and does not imply a requirement to follow a certain order unless it is explicitly stated that a certain order is required.

[0027] The serial numbers assigned to components herein, such as "first" and "second," are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" in this application, where reasonable (and not self-contradictory), include both direct and indirect connections (couplings).

[0028] Example 1

[0029] like Figures 1 to 5 As shown, a locking device includes a first sleeve 1 and a second sleeve 2. The second sleeve 2 is used to be sleeved on a rotating shaft 14. The first sleeve 1 is sleeved outside the second sleeve 2. An elastic component 3 is press-fitted between the first sleeve 1 and the second sleeve 2. The elastic component 3 generates an axial force between the first sleeve 1 and the second sleeve 2, so that the second sleeve 2 can move axially relative to the first sleeve 1.

[0030] The front end of the first sleeve 1 has a guide cone 4 inside, and the front end of the second sleeve 2 is equipped with a locking portion 5. The second sleeve 2 can drive the locking portion 5 to move axially, and the locking portion 5 can contact the guide cone 4. The guide cone 4 can control the radial movement of the locking portion 5. The locking portion 5 is used to radially tighten the rotating shaft 14. Specifically, the elastic component 3 is a spring, and the elastic component 3 is mounted on the second sleeve 2. This arrangement facilitates the installation operation of the elastic component 3. At the same time, a greater axial force is generated between the first sleeve 1 and the second sleeve 2, so as to push the locking portion 5 to more reliably tighten the surface of the rotating shaft 14, thereby achieving a stable locking of the material tray 13.

[0031] Furthermore, the first sleeve 1 has a first boss 6 , the second sleeve 2 is based on the second boss 7 , and the elastic component 3 is installed between the first boss 6 and the second boss 7 , providing a more stable and reliable installation space for the elastic component 3 .

[0032] Furthermore, a guide ring 8 is detachably installed inside the front end of the first sleeve 1, and the guide cone 4 is located on the inner circular surface of the guide ring 8. The guide ring 8 is sleeved on the front end of the second sleeve 2, and the second sleeve 2 can move axially relative to the guide ring 8. The guide ring 8 is detachably connected to the first sleeve 1, so that the second sleeve 2 can be more conveniently installed into the first sleeve 1 from front to back. After the sleeve is completed, the guide ring 8 is installed, and the structural setting is more reasonable. The guide ring 8 is threadedly connected to the first sleeve 1. The threaded connection makes the installation and disassembly process of the guide ring 8 more convenient and quick.

[0033] When in use, first put the material tray 13 on the rotating shaft 14, then hold the first sleeve 1 with one hand, and use the other hand to overcome the elastic force of the elastic component 3 to pull the second sleeve 2 backward so that the locking part 5 does not contact the guide cone 4. At this time, put the entire locking device on the rotating shaft 14, and make the front end of the locking device press the material tray 13, and then release the second sleeve 2. At this time, under the action of the elastic force of the elastic component 3, the second sleeve 2 will move forward relative to the first sleeve 1, and drive the locking part 5 to move forward. During the forward movement of the locking part 5, it contacts the guide cone 4 and moves forward relative to the guide cone 4. The guide cone 4 The movement of the locking part 5 is guided so that the locking part 5 can generate radial movement and press against the surface of the rotating shaft 14, thereby realizing the locking fixation of the locking device and the rotation, and then realizing the locking fixation of the locking device to the material tray 13, and the installation process is convenient and fast; when the material tray 13 needs to be removed, only the first sleeve 1 needs to be held in one hand, and the second sleeve 2 needs to be pulled back with the other hand to overcome the elastic force of the elastic component 3, so that the locking part 5 does not contact the guide cone 4. At this time, the locking part 5 is not pressed against the surface of the rotating shaft 14, and there is no locking force between the two. The entire locking device can be pulled out, and then the material tray 13 can be removed. The disassembly process is convenient and fast.

[0034] Example 2

[0035] like Figure 2and 4 As shown, on the basis of Example 1, the locking portion 5 is spherical, and a mounting hole 9 is opened at the front end of the second sleeve 2. The locking portion 5 is installed in the mounting hole 9. The aperture of the inner end of the mounting hole 9 is smaller than the diameter of the spherical locking portion 5. The spherical locking portion 5 can effectively contact and cooperate with the guide cone 4, and under the action of the guide cone 4, it moves radially and presses against the surface of the rotating shaft 14, and the locking portion 5 can be stably located in the mounting hole 9; further, at least three locking portions 5 are evenly installed at the front end of the second sleeve 2 at circumferential intervals, and four locking portions 5 are specifically installed. Each locking portion 5 locks the rotating shaft 14 circumferentially, thereby ensuring a stable locking effect on the material tray 13.

[0036] Example 3

[0037] like Figure 1 and 2 As shown in , 4 and 5, on the basis of Example 1 or 2, an operating ring 10 is installed at the rear end of the second sleeve 2, and the operating ring 10 is used to pull the second sleeve 2 to move axially relative to the first sleeve 1. The setting of the operating ring 10 makes it convenient for the operator to pull the second sleeve 2; specifically, the rear end of the second sleeve 2 has a mounting step 11, and the operating ring 10 is sleeved on the mounting step 11, and the mounting step 11 can facilitate the installation and positioning of the operating ring 10; the rear end of the second sleeve 2 is threadedly connected to a clamping ring 12, and the clamping ring 12 is used to clamp and fix the operating ring 10. The setting of the clamping ring 12 facilitates the formation of a firm locking of the operating ring 10 and can facilitate the installation and disassembly process of the operating ring 10.

[0038] The present invention is not limited to the above-mentioned optional implementation methods. Anyone can derive various other forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, any technical solution that falls within the scope defined by the claims of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A locking device, characterized in that: The invention comprises a first sleeve (1) and a second sleeve (2), wherein the second sleeve (2) is used to be sleeved on a rotating shaft (14), the first sleeve (1) is sleeved on the outside of the second sleeve (2), an elastic component (3) is pressed between the first sleeve (1) and the second sleeve (2), and the elastic component (3) generates an axial force between the first sleeve (1) and the second sleeve (2), so that the second sleeve (2) can move axially relative to the first sleeve (1); The front end of the first sleeve (1) is internally provided with a guide cone surface (4), and the front end of the second sleeve (2) is provided with a locking portion (5). The second sleeve (2) can drive the locking portion (5) to move axially, and the locking portion (5) can contact the guide cone surface (4). The guide cone surface (4) can control the radial movement of the locking portion (5), and the locking portion (5) is used to radially tighten the rotating shaft (14).

2. A locking device according to claim 1, characterized in that: The first sleeve (1) has a first boss (6), the second sleeve (2) is based on a second boss (7), and the elastic component (3) is installed between the first boss (6) and the second boss (7).

3. A locking device according to claim 2, characterized in that: A guide ring (8) is detachably mounted inside the front end of the first sleeve (1), the guide cone (4) is located on the inner circular surface of the guide ring (8), the guide ring (8) is sleeved on the front end of the second sleeve (2), and the second sleeve (2) can move axially relative to the guide ring (8).

4. A locking device according to claim 3, characterized in that: The guide ring (8) is threadedly connected to the first sleeve (1).

5. The locking device according to claim 1, characterized in that: The locking portion (5) is spherical, and a mounting hole (9) is provided at the front end of the second sleeve (2). The locking portion (5) is mounted in the mounting hole (9), and the diameter of the inner end of the mounting hole (9) is smaller than the diameter of the spherical locking portion (5).

6. A locking device according to claim 5, characterized in that: At least three locking portions (5) are evenly spaced circumferentially mounted on the front end of the second sleeve (2).

7. The locking device according to claim 1, characterized in that: An operating ring (10) is installed at the rear end of the second sleeve (2), and the operating ring (10) is used to pull the second sleeve (2) to move axially relative to the first sleeve (1).

8. The locking device according to claim 7, characterized in that: The rear end of the second sleeve (2) is provided with a mounting step (11), and the operating ring (10) is sleeved on the mounting step (11).

9. The locking device according to claim 8, characterized in that: The rear end of the second sleeve (2) is threadedly connected to a clamping ring (12), and the clamping ring (12) is used to clamp and fix the operating ring (10).

10. The locking device according to claim 1, characterized in that: The elastic component (3) is a spring, and the elastic component (3) is sleeved on the second sleeve (2).

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