Robot quick-change connecting piece

Abstract

The utility model relates to the technical field of robots, in particular to a robot quick-change connecting piece which comprises a first connecting piece and a second connecting piece. And the first connecting piece is installed on the robot body, and the second connecting piece is installed on the tool body. The clamping spring is additionally arranged in the mounting hole of the first connecting piece to clamp the end cover, so that the end cover is fixed, the stability of the end cover is improved, and firm mounting of the end cover is guaranteed on the premise that sealing is not changed.

Description

Technical Field

[0001] The utility model relates to the technical field of robots, in particular to a robot quick-change connecting piece. Background Technique

[0002] A robot quick-change connecting piece is a device that enables a robot to automatically replace different end effectors or peripheral devices. It can quickly and accurately replace tools or fixtures without changing the machine body, so as to adapt to different production tasks and process requirements, improve production efficiency and operation flexibility, and reduce production costs.

[0003] At present, for the existing robot quick-change connecting pieces, when installing the end cover, the position of the end cover is restricted by filling an O-ring between the end cover and the main body of the quick-change connecting piece. In addition, there are no locking and fixing measures for the end cover. When the seal ring ages or is damaged, the end cover will become loose and fall off, resulting in poor stability, which affects the normal use of the quick-change connecting piece and poses certain safety hazards.

[0004] Therefore, there is an urgent need to provide a robot quick-change connecting piece with an end cover locking and fixing function. Summary of the Utility Model

[0005] In order to overcome the defect that in the existing robot quick-change connecting piece, the position of the end cover is restricted by using an O-ring, when the seal ring ages or is damaged, the end cover will become loose and fall off, resulting in poor stability, which affects the normal use of the quick-change connecting piece and poses certain safety hazards, the utility model provides a robot quick-change connecting piece with an end cover locking and fixing function.

[0006] To solve the above problems, the utility model adopts the following technical solutions: A robot quick-change connecting piece, comprising: a first connecting piece; a second connecting piece, the first connecting piece is installed on the robot main body, and the second connecting piece is installed on the tool main body.

[0007] In a preferred embodiment of the utility model, a plurality of air paths are provided on the sides of the first connecting piece and the second connecting piece.

[0008] In a preferred embodiment of the present utility model, the first connecting member includes a steel ball and a seal. An installation hole position No. 1 and an installation hole position No. 2 are respectively provided at the upper end and the top surface of the first connecting member. The steel ball and the seal are respectively installed in the installation hole position No. 1 and the installation hole position No. 2, and the steel ball is installed in the installation hole position No. 1 from the inside of the first connecting member; a piston, the piston is movably installed at the middle position inside the first connecting member; a first O-ring, the first O-ring is installed inside the first connecting member; a second O-ring, the second O-ring is sleeved in the installation notch at the lower end of the piston; an end cover, the end cover is installed in the installation hole at the bottom end of the first connecting member: a third O-ring, the third O-ring is sleeved at the notch position of the end cover; a snap ring, the snap ring is arranged in the installation hole at the bottom end of the first connecting member.

[0009] In a preferred embodiment of the present utility model, the steel ball inside it is controlled to expand and contract by the up-and-down movement of the piston, so as to control the connection and disconnection of the first connecting member and the second connecting member.

[0010] In a preferred embodiment of the present utility model, the snap ring is located below the end cover, and the end cover is fixed on the first connecting member by using the snap ring to clamp the end cover.

[0011] In a preferred embodiment of the present utility model, the second connecting member includes a pin and a screw. The pin and the screw are installed in the installation jacks on both sides of the second connecting member, and the screw is threadedly connected to the pin, and the pin is fixed by the screw; a locking fixing ring, the locking fixing ring is installed at the middle position inside the second connecting member; an elastic retaining ring, the elastic retaining ring is fixed in the annular installation groove at the middle position inside the second connecting member.

[0012] In a preferred embodiment of the present utility model, the lower end of the pin is in plug-in fit with the first connecting member.

[0013] In a preferred embodiment of the present utility model, the elastic retaining ring is located above the locking fixing ring.

[0014] Compared with the prior art, the present utility model has the following technical effects: 1. A snap ring is added inside the installation hole of the first connecting member of the present device to clamp the end cover, so as to fix the end cover without changing the seal, improve the stability of the end cover, and ensure the firm installation of the end cover.

[0015] 2. By changing the gas path structure of the first connecting member and the second connecting member, the number of accessible gas paths is increased to 8, which is convenient for controlling more gas paths and improving the use efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 This is an exploded view of the first connecting piece and the second connecting piece of the present utility model.

[0018] Figure 3 This is a schematic diagram of the three-dimensional sectional structure of the first connecting piece, the piston and the steel ball of the present utility model.

[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the piston, the end cover and the circlip of the present utility model.

[0020] Figure 5 This is a schematic diagram of the three-dimensional sectional structure of the second connecting piece, the pin and the screw of the present utility model.

[0021] Among them, the above-mentioned drawings include the following reference numerals: 1, the first connecting piece; 101, the first mounting hole position; 102, the second mounting hole position; 2, the first O-ring; 3, the piston; 4, the second O-ring; 5, the steel ball; 6, the seal; 7, the end cover; 8, the third O-ring; 9, the circlip; 10, the second connecting piece; 11, the pin; 12, the screw; 13, the locking fixing ring; 14, the snap ring. Detailed implementation manners

[0022] Although the present utility model may be described with respect to a specific application or industry, those skilled in the art will recognize the broader applicability of the present utility model. Those of ordinary skill in the art will recognize that terms such as "above", "below", "upward", "downward", etc. are used to describe the drawings and do not represent a limitation on the scope of the present utility model as defined by the appended claims. Any numerical labels such as "first" or "second" are merely illustrative and are not intended to limit the scope of the present utility model in any way.

[0023] Embodiment 1

[0024] Please refer to Figure 1 and Figure 2 , a robot quick-change connecting piece, comprising: a first connecting piece 1 and a second connecting piece 10, the first connecting piece 1 is installed on the robot main body, the second connecting piece 10 is installed on the tool main body, and both the first connecting piece 1 and the second connecting piece 10 are provided with 8 air paths on the side. On the basis of the 6 air paths of the existing robot quick-change connecting piece, two more air paths are added, which is convenient for controlling more air paths and improving the use efficiency of the product.

[0025] Please refer to Figure 3 and Figure 4The first connecting member 1 includes a first O-ring 2, a piston 3, a second O-ring 4, a steel ball 5, a sealing member 6, an end cover 7, a third O-ring 8 and a retaining ring 9; the upper end and the top surface of the first connecting member 1 are respectively provided with a No. 1 mounting hole 101 and a No. 2 mounting hole 102, wherein the steel ball 5 and the sealing member 6 are respectively installed in the No. 1 mounting hole 101 and the No. 2 mounting hole 102, and the steel ball 5 is installed in the No. 1 mounting hole 101 from the inside of the first connecting member 1; when the first connecting member 1 and the second connecting member are connected 10, the air path holes of the robot body and the tool body are connected and sealed by the sealing member 6; the piston 3 is movably installed in the middle position inside the first connecting member 1, through the The piston 3 moves up and down to control the expansion and contraction of the steel ball 5 inside it, thereby controlling the connection and disconnection of the first connecting member 1 and the second connecting member 10; the first O-ring 2 is installed inside the first connecting member 1, and the first O-ring 2 is used to fill the gap between the piston 3 and the first connecting member 1; the second O-ring 4 is sleeved in the mounting groove at the lower end of the piston 3; the end cover 7 is installed in the mounting hole at the bottom end of the first connecting member 1: the third O-ring 8 is sleeved in the groove position of the end cover 7; the retaining spring 9 is arranged in the mounting hole at the bottom end of the first connecting member 1, and the retaining spring 9 is located below the end cover 7, and the end cover 7 is clamped and fixed to the first connecting member 1 by the retaining spring 9.

[0026] See also Figure 5 The second connecting member 10 includes a pin 11, a screw 12, a locking and fixing ring 13 and an elastic retaining ring 14; the pin 11 and the screw 12 are installed in the installation sockets on the left and right sides of the second connecting member 10, and the lower end of the pin 11 is plugged into and matched with the first connecting member 1. The first connecting member 1 and the second connecting member 10 are pre-connected by using the pin 11 to facilitate subsequent locking; the screw 12 is threadedly connected to the pin 11, and the pin 11 is fixed by the screw 12; the locking and fixing ring 13 is installed in the middle position inside the second connecting member 10, and the elastic retaining ring 14 is fixed in the annular mounting groove in the middle of the second connecting member 10, and the elastic retaining ring 14 is located above the locking and fixing ring 13 to achieve limited fixation of the locking and fixing ring 13.

[0027] When in use, the first connecting member 1 and the second connecting member 10 are respectively installed on the robot and the tool. After the position of the first connecting member 1 is moved by the robot and it is aligned with the second connecting member 10, the piston 3 is controlled to move up and down through the air circuit, so that the piston 3 controls the extension and retraction of the steel ball 5 by squeezing. When the steel ball 5 extends out of the No. 1 installation hole 101, it presses against the locking and fixing ring 13, so that the first connecting member 1 and the second connecting member 10 are connected together and locked. When the steel ball 5 retracts, the first connecting member 1 and the second connecting member 10 are unlocked and disconnected.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A robot quick-change connecting piece, characterized in that, Comprising: A first connecting member (1); A second connecting member (10), the first connecting member (1) is installed on the robot body, and the second connecting member (10) is installed on the tool body; The first connecting member (1) includes: a steel ball (5) and a seal (6), the upper end and the top surface of the first connecting member (1) are respectively provided with a first mounting hole position (101) and a second mounting hole position (102), wherein the steel ball (5) and the seal (6) are respectively inserted into the first mounting hole position (101) and the second mounting hole position (102), and the steel ball (5) is inserted into the first mounting hole position (101) from the inside of the first connecting member (1); A piston (3), the piston (3) is movably installed at the middle position inside the first connecting member (1); A first O-ring (2), the first O-ring (2) is installed inside the first connecting member (1); A second O-ring (4), the second O-ring (4) is sleeved in the mounting notch at the lower end of the piston (3); An end cap (7), the end cap (7) is installed in the mounting hole at the bottom end of the first connecting member (1): A third O-ring (8), the third O-ring (8) is sleeved at the notch position of the end cap (7); A circlip (9), the circlip (9) is arranged in the mounting hole at the bottom end of the first connecting member (1); The circlip (9) is located below the end cap (7), and the end cap (7) is clamped by the circlip (9) and fixed on the first connecting member (1).

2. The robot quick-change connecting piece according to claim 1, characterized in that, Both the first connecting member (1) and the second connecting member (10) are provided with a plurality of air paths on the side.

3. The quick-change connector for a robot according to claim 1, characterized in that, By the up and down movement of the piston (3) to control the expansion and contraction of the steel ball (5) inside it, so as to control the connection and disconnection of the first connecting member (1) and the second connecting member (10).

4. The quick-change connector for a robot according to claim 1, wherein, The second connecting member (10) includes a pin (11) and a screw (12), the pin (11) and the screw (12) are installed in the mounting sockets on both sides of the second connecting member (10), the screw (12) is threadedly connected with the pin (11), and the pin (11) is fixed by the screw (12); A locking fixing ring (13), the locking fixing ring (13) is installed at the middle position inside the second connecting member (10); A snap ring (14), the snap ring (14) is fixed in the annular mounting groove at the middle position inside the second connecting member (10).

5. The robot quick-change connector according to claim 4, characterized in that, The lower end of the pin (11) is in plug-in fit with the first connecting member (1).

6. The quick-change connector for a robot according to claim 4, characterized in that, The snap ring (14) is located above the locking fixing ring (13).

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