Locking device with automatic quick-change mechanism

Abstract

The utility model discloses a locking device with an automatic quick-change mechanism, the locking device is installed at the end of the manipulator, the locking device includes a locking bracket and a locking drive motor installed on the locking bracket, an upper joint, an upper quick-change module, a visual detection mechanism and an ejector mechanism; the locking device also includes a plurality of bases and a plurality of locking heads placed on the bases, the locking heads correspond to the bases one by one, each locking head includes a fixed seat and a lower quick-change module and a T-type electric screwdriver head installed on the fixed seat, the upper quick-change module and the lower quick-change module can be quickly combined and separated; the upper end of the T-type electric screwdriver head can be inserted into the upper joint, and driven to rotate by the locking drive motor; the ejector mechanism includes an ejector drive cylinder and an ejector, the fixed seat is provided with a socket, and the ejector is driven to translate and inserted into the socket by the ejector drive cylinder. The utility model replaces manual replacement of the head, can reduce safety hazards, improve production efficiency, and save equipment costs.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical equipment, and in particular relates to a locking device with an automatic quick-change mechanism. Background Art

[0002] In the process of product assembly, it is often necessary to lock screws or other parts of various specifications, which requires locking heads (or electric screwdrivers, heads) of various specifications. That is, at present, in some more complex workstations, one head cannot meet the needs, and multiple heads need to be used in one workstation. If the heads are replaced manually, there will not only be safety hazards, but also affect the production efficiency of the entire production line. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide a locking device with an automatic quick-change mechanism, which replaces manual replacement of the machine head, can reduce safety hazards, improve production efficiency and save equipment costs.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a locking device with an automatic quick-change mechanism, the locking device is installed at the end of the manipulator, the locking device comprises a locking bracket and a locking drive motor installed on the locking bracket, an upper joint, an upper quick-change module, a visual detection mechanism and an ejector mechanism, the upper joint is located at the driving end of the locking drive motor and drives it to rotate;

[0005] The locking device further comprises a plurality of bases and a plurality of locking heads placed on the bases, the locking heads corresponding to the bases one by one, each of the locking heads comprising a fixing seat and a lower quick-change module and a T-shaped electric screwdriver head mounted on the fixing seat, and the upper quick-change module and the lower quick-change module can be quickly combined and separated;

[0006] The upper end of the T-shaped electric screwdriver bit can be inserted into the upper joint and driven to rotate by a locking drive motor;

[0007] The ejector mechanism comprises an ejector drive cylinder and an ejector, the fixing seat is provided with an insertion hole, the ejector is installed at the power output end of the ejector drive cylinder, and the ejector is driven by the ejector drive cylinder to translate and insert into the insertion hole.

[0008] Furthermore, the inner cavity of the upper joint is a polygonal structure, and the outer peripheral surface of the upper end of the T-shaped electric screwdriver bit is a polygon matching the inner cavity.

[0009] Furthermore, the base is provided with a supporting portion matching the locking machine head.

[0010] Furthermore, the upper quick-change module and the lower quick-change module form a complete quick-change module, the upper quick-change module is provided with a female end of a probe connector, and the lower quick-change module is provided with a male end of a probe connector. After the upper quick-change module and the lower quick-change module are combined, the female end of the probe connector can be inserted into the male end of the probe connector and the signal is conducted.

[0011] Furthermore, the quick-change module is a pneumatic quick-change module.

[0012] Furthermore, the visual inspection mechanism is an industrial camera.

[0013] Furthermore, one of the upper quick-change module and the lower quick-change module is provided with a positioning column, and the other is provided with a positioning hole, and the positioning column can be inserted into the positioning hole.

[0014] The beneficial effects of the utility model are:

[0015] The upper part of the locking device of the utility model is provided with an upper quick-change module, and different specifications of locking heads are all provided with a lower quick-change module. Through the cooperation of the upper quick-change module and the lower quick-change modules of different locking heads, different specifications of locking heads (with different specifications of electric screwdriver bits) can be automatically installed on the locking device, driven by a manipulator to reach the required position, and then the locking drive motor drives the T-shaped electric screwdriver bit to rotate to perform the locking action. One locking drive motor can drive the T-shaped electric screwdriver bits of different specifications to rotate. Therefore, during use, the locking device of the utility model can replace manual replacement of the head, which can reduce safety hazards, improve production efficiency, and save equipment costs;

[0016] Furthermore, the upper part of the locking device and the locking head of the utility model are mainly relatively fixed through the cooperation of the upper quick-change module and the lower quick-change module and the cooperation of the ejector mechanism and the socket, thereby ensuring the stability and firmness of the locking head after it is replaced on the locking bracket; the cooperation of the upper quick-change module and the lower quick-change module is also used to realize signal transmission, so that the locking head can obtain the control signal after installation.

[0017] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model (the locking head and the locking bracket are separated);

[0019] Figure 2 It is a structural schematic diagram of the upper half of the locking device of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the locking machine head of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the base of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the utility model after the locking machine head is placed on the base;

[0023] The reference numerals are as follows:

[0024] Robot 10;

[0025] Locking device 20, locking bracket 201, locking drive motor 202, upper joint 203, upper quick-change module 204, probe connector female end 2041, visual inspection mechanism 205, ejector mechanism 206;

[0026] Base 30, support portion 301;

[0027] The locking head 40 , the fixing seat 401 , the jack 4011 , the lower quick-change module 402 , the male end of the probe connector 4021 , the positioning column 4022 , and the T-shaped electric screwdriver head 403 . DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present invention, and those skilled in the art can easily understand the advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented in other different ways, that is, different modifications and changes can be made without departing from the scope disclosed by the present invention.

[0029] Embodiment: A locking device with an automatic quick-change mechanism, such as Figures 1 to 5 As shown, the locking device 20 is installed at the end of the manipulator 10, and the locking device 20 includes a locking bracket 201 and a locking drive motor 202 installed on the locking bracket, an upper joint 203, an upper quick-change module 204, a visual detection mechanism 205 and an ejector mechanism 206, and the upper joint is located at the driving end of the locking drive motor and drives it to rotate;

[0030] The locking device further comprises a plurality of bases 30 and a plurality of locking heads 40 placed on the bases, the locking heads corresponding to the bases one by one, each of the locking heads comprising a fixing seat 401 and a lower quick-change module 402 and a T-shaped electric screwdriver head 403 installed on the fixing seat, the upper quick-change module and the lower quick-change module being able to be quickly assembled and separated;

[0031] The upper end of the T-shaped electric screwdriver bit can be inserted into the upper joint and driven to rotate by a locking drive motor;

[0032] The ejector mechanism includes an ejector drive cylinder and an ejector (not shown in the figure). The fixing seat is provided with a socket 4011. The ejector is installed at the power output end of the ejector drive cylinder. The ejector is driven by the ejector drive cylinder to translate and insert into the socket. It is used to ensure the stability of the locking machine head after it is replaced on the locking bracket.

[0033] In this embodiment, the inner cavity of the upper joint is a polygonal structure, and the outer peripheral surface of the upper end of the T-shaped electric screwdriver bit is a polygon that matches the inner cavity.

[0034] In this embodiment, the base is provided with a support portion 301 that matches the locking machine head. For example, a groove or a step, but not before, is provided to facilitate the positioning and fixing of the locking machine head after it is placed on the base. The stability and stability of the locking machine head after it is placed on the base is ensured to prevent the locking machine head from falling or shaking.

[0035] In this embodiment, the upper quick-change module 204 and the lower quick-change module 402 form a complete quick-change module, the upper quick-change module is provided with a probe connector female end 2041, and the lower quick-change module is provided with a probe connector male end 4021. After the upper quick-change module and the lower quick-change module are combined, the probe connector female end can be inserted into the probe connector male end and the signal is conducted.

[0036] In this embodiment, the quick-change module is a pneumatic quick-change module. There are many kinds of quick-change modules, which are standard parts and can automatically realize the quick combination and separation of the upper and lower parts.

[0037] The quick-change module is used for supplying air to the machine head; the female end of the probe connector is used to connect to the male end of the probe connector to control the electrical signals of the machine head; the steel ball locking device (not shown in the figure) is used to lock the upper and lower devices; the air circuit connection (not shown in the figure) is used to align the equipment with the air circuit of the locking machine head. Since the pneumatic quick-change module is a prior art, the structure is not described in detail; the male end of the probe connector is used to connect to the female end of the probe connector to control the electrical signals of the machine head; therefore, when the upper quick-change module is combined with the lower quick-change module, the female end and the male end of the probe connector are connected by plugging and connecting the signals, which can control the corresponding locking machine head to perform various actions.

[0038] In this embodiment, the visual inspection mechanism is an industrial camera, but it is not limited thereto, and it only needs to be able to perform visual inspection and positioning.

[0039] In this embodiment, one of the upper quick-change module and the lower quick-change module is provided with a positioning column 4022, and the other is provided with a positioning hole (not shown in the figure), and the positioning column can be inserted into the positioning hole to further ensure the stability of the locking head after it is replaced on the locking bracket.

[0040] Working principle or process: After the robot uses a locking machine head, it moves the locking machine head to its corresponding base, and the ejector drive cylinder drives the ejector to retract from the socket. At the same time, the upper quick-release module and the lower quick-release module are disconnected and separated. At the same time, under the action of gravity, the upper end of the T-type electric screwdriver bit will fall from the upper joint, and the locking machine head will be placed on the base; then the robot moves to the top of the base of the other machine head, the upper quick-release module and the lower quick-release module are combined together, the signal is also connected, and the ejector drive cylinder drives the ejector into the socket, connects the air path and circuit of the new locking machine head, and the upper end of the T-type electric screwdriver bit will also be inserted into the upper end of the T-type electric screwdriver bit; it can realize the automatic replacement of the locking machine head, reduce safety hazards, and improve production efficiency.

[0041] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent structure made using the contents of the specification and drawings of the present utility model, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present utility model.

Claims

1. A locking device with an automatic quick-change mechanism, characterized in that: The locking device (20) is installed at the end of the manipulator (10), and the locking device (20) comprises a locking bracket (201), a locking drive motor (202) installed on the locking bracket, an upper joint (203), an upper quick-change module (204), a visual detection mechanism (205) and an ejector mechanism (206), wherein the upper joint is located at the driving end of the locking drive motor and drives the locking drive motor to rotate; The locking device further comprises a plurality of bases (30) and a plurality of locking heads (40) placed on the bases, the locking heads corresponding to the bases one by one, each of the locking heads comprising a fixing seat (401) and a lower quick-change module (402) and a T-shaped electric screwdriver head (403) mounted on the fixing seat, the upper quick-change module and the lower quick-change module being able to be quickly assembled and separated; The upper end of the T-shaped electric screwdriver bit can be inserted into the upper joint and driven to rotate by a locking drive motor; The ejector mechanism comprises an ejector drive cylinder and an ejector, the fixing seat is provided with a socket (4011), the ejector is installed at the power output end of the ejector drive cylinder, and the ejector is driven by the ejector drive cylinder to translate and be inserted into the socket.

2. The locking device with automatic quick-change mechanism according to claim 1, characterized in that: The inner cavity of the upper joint is a polygonal structure, and the outer peripheral surface of the upper end of the T-shaped electric screwdriver bit is a polygon matching the inner cavity.

3. The locking device with automatic quick-change mechanism according to claim 1, characterized in that: The base is provided with a supporting portion (301) matching the locking machine head.

4. The locking device with automatic quick-change mechanism according to claim 1, characterized in that: The upper quick-change module (204) and the lower quick-change module (402) form a complete quick-change module, the upper quick-change module is provided with a probe connector female end (2041), and the lower quick-change module is provided with a probe connector male end (4021). After the upper quick-change module and the lower quick-change module are combined, the probe connector female end can be inserted into the probe connector male end and the signal is turned on.

5. The locking device with automatic quick-change mechanism according to claim 4, characterized in that: The quick-change module is a pneumatic quick-change module.

6. The locking device with automatic quick-change mechanism according to claim 1, characterized in that: The visual inspection mechanism is an industrial camera.

7. The locking device with automatic quick-change mechanism according to claim 1, characterized in that: One of the upper quick-change module and the lower quick-change module is provided with a positioning column (4022), and the other is provided with a positioning hole, and the positioning column can be inserted into the positioning hole.

Images