Manipulator positioning ejector pin

Abstract

The mechanical arm positioning ejector pin comprises an ejector pin sleeve, an ejector pin unit and an adjusting rod are movably arranged on the ejector pin sleeve in a telescopic mode, the ejector pin unit is provided with an elastic piece so that the ejector pin unit can tend to be away from the ejector pin sleeve, and the ejector pin unit is detachably connected with the adjusting rod through a connecting structure. A limiting ring matched with the adjusting rod in a sleeving mode is arranged on the inner wall of the ejector pin sleeve, the adjusting rod is provided with a first operation part used for being in linkage with the adjusting rod to adjust the installation position in the length direction of the adjusting rod, and the first operation part is slidably connected to the inner wall of the ejector pin sleeve and can be located on the limiting ring. According to the mechanical arm positioning ejector pin, the preset length of the positioning ejector pin and the pre-elastic force of the elastic piece can be adjusted according to requirements, and the application range of the positioning ejector pin is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of ejector devices, in particular to a manipulator positioning ejector. Background Art

[0002] At present, in mechanical production, workpiece processing usually requires the use of an ejector to hold the workpiece to be processed, especially during machine tool processing. In order to ensure that the workpiece is reliably clamped by the fixture, the ejector is held by a telescopic drive device such as a manipulator or an electric push rod to ensure the positioning of the workpiece. For example, a kind of ejector disclosed by announcement number CN203509072U includes a rod-shaped connecting portion, one end of the connecting portion is used to be connected to the tailstock of the machine tool, the other end of the connecting portion has a conical support portion and the support portion is coaxially arranged with the connecting portion, and the outer side of the support portion has a strip-shaped material storage portion protruding along the axial direction of the support portion. The ejector acts on the surface of the workpiece during use. However, the length of the ejector is mostly fixed, the scope of use is limited, and the ejector and the workpiece are rigidly abutted and easily damaged, which has a certain impact on the quality of the workpiece. Utility Model Content

[0003] The utility model is designed to solve the deficiencies of the above-mentioned technology, and the predetermined length of the positioning ejector pin and the pre-elastic force of the elastic member can be adjusted according to the requirements, thereby increasing the applicable scope of the positioning ejector pin.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a manipulator positioning ejector, comprising an ejector sleeve, the ejector sleeve is telescopically provided with an ejector unit and an adjusting rod, the ejector unit is provided with an elastic member so that the ejector unit has a tendency to move away from the ejector sleeve, the ejector unit is detachably connected to the adjusting rod through a connecting structure, the inner wall of the ejector sleeve is provided with a limiting ring that is sleeved with the adjusting rod, the adjusting rod is provided with a first operating part for linking the adjusting rod to adjust the installation position along its length direction, the first operating part is slidably connected to the inner wall of the ejector sleeve, and the first operating part can be positioned on the limiting ring.

[0005] Preferably, the connecting structure includes a threaded hole and a threaded column, the threaded column is threadedly connected to the threaded hole, the ejector unit is slidably connected to the inner wall of the ejector sleeve, the threaded hole is opened on the ejector unit, and the threaded column is formed on the adjusting rod, or the adjusting rod is slidably connected to the inner wall of the ejector sleeve, the threaded hole passes through the guide portion of the adjusting rod, and the threaded column is formed on the ejector unit.

[0006] Preferably, the ejector unit comprises an ejector rod, the ejector rod is slidably connected to the inner wall of the ejector sleeve, and the threaded hole passes through the center of the ejector rod.

[0007] Preferably, the ejector unit further comprises an ejector cover, which is coaxially arranged with the ejector rod and detachably connected to the end of the ejector rod extending out of the ejector sleeve, and the elastic member is a spring structure, which is sleeved on the ejector rod, and both ends of the elastic member respectively abut against opposite sides of the ejector cover and the ejector sleeve.

[0008] Preferably, a mounting hole is formed at the center of the ejector cover, the mounting hole is detachably connected to a connector, the connector is provided with a second operating portion, the second operating portion is positioned at the mounting hole, and the connector passes through the end of the mounting hole and is threadedly connected to the threaded hole.

[0009] Preferably, both the second operating portion and the first operating portion have a tool slot.

[0010] Preferably, the tool slot is a hexagonal slot.

[0011] Preferably, a rotary drive device is further included, wherein a movable end of the rotary drive device is provided with a switching disk rotatably connected thereto, and the switching disk is provided with a plurality of tool positions in a circular array, and the tool positions are used for installing the ejector sleeve.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides a manipulator positioning ejector. Under the action of the elastic member, the ejector unit extends outward until the first operating part is positioned on the limiting ring, and the length of the ejector unit extending out of the ejector sleeve reaches the predetermined length of the positioning ejector. The installation position of the adjusting rod is adjusted by the first operating part, thereby changing the distance between the first operating part and the ejector unit, so that the user can adjust the predetermined length of the positioning ejector and adjust the pre-elastic force of the elastic member according to needs, thereby increasing the application range of the positioning ejector. When the ejector unit abuts against the workpiece, the elastic member plays a buffering role, thereby preventing and reducing damage to the workpiece surface due to rapid force, thereby improving the quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the positioning ejector pin in the first embodiment;

[0015] Figure 2 is a cross-sectional view of the positioning ejector pin in the first embodiment;

[0016] Figure 3 is a cross-sectional view of another embodiment of the ejector rod in Example 1;

[0017] Figure 4 It is a structural schematic diagram of the positioning ejector in the second embodiment.

[0018] In the figure: 1. ejector sleeve; 2. rotary drive device; 3. switching disk; 301. tool position; 4. ejector unit; 41. ejector rod; 42. ejector cover; 5. adjustment rod; 501. first operating part; 502. guide part; 6. connecting piece; 601. second operating part; 7. elastic piece; 8. limiting ring; 9. threaded hole; 10. threaded column; 11. mounting hole; 12. tool slot. DETAILED DESCRIPTION

[0019] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0020] Embodiment 1:

[0021] refer to Figure 1 , Figure 2 , Figure 3 A manipulator positioning ejector comprises an ejector sleeve 1, the ejector sleeve 1 is telescopically provided with an ejector unit 4 and an adjusting rod 5, the ejector unit 4 is provided with an elastic member 7 so that the ejector unit 4 has a tendency to move away from the ejector sleeve 1, the ejector unit 4 is detachably connected to the adjusting rod 5 through a connecting structure, the connecting structure comprises a threaded hole 9 and a threaded column 10, the ejector unit 4 comprises a coaxially arranged ejector rod 41 and an ejector cover 42, the ejector rod 41 is slidably connected to the inner wall of the ejector sleeve 1 to guide the telescopic movement of the ejector unit 4, the threaded hole 9 passes through the center of the ejector rod 41, the threaded column 10 is formed on the adjusting rod 5, and the threaded column 10 of the adjusting rod 5 is threadedly connected to the threaded hole 9 of the ejector rod 41.

[0022] The inner wall of the ejector sleeve 1 is provided with a limiting ring 8 which is sleeved with the adjusting rod 5. The adjusting rod 5 is provided with a first operating part 501 which is used to link the adjusting rod 5 to adjust the installation position along its length direction. The first operating part 501 is slidably connected to the inner wall of the ejector sleeve 1, and the first operating part 501 can be positioned on the limiting ring 8.

[0023] The center of the ejector cover 42 is penetrated by a mounting hole 11, and the mounting hole 11 is detachably connected to a connector 6, and the connector 6 is provided with a second operating portion 601, and the second operating portion 601 is positioned at the mounting hole 11. The end of the connector 6 passes through the mounting hole 11 and is threadedly connected to the threaded hole 9, so that the ejector cover 42 is detachably connected to the end of the ejector rod 41 extending out of the ejector sleeve 1. Preferably, the elastic member 7 is a spring structure, and the elastic member 7 is sleeved on the ejector rod 41, and the two ends of the elastic member 7 are respectively abutted against the opposite sides of the ejector cover 42 and the ejector sleeve 1.

[0024] The second operating part 601 and the first operating part 501 both have a tool groove 12, and the tool groove 12 is a hexagonal groove. When the positioning ejector is in use, the first operating part 501 is driven to rotate by the hexagonal wrench, thereby driving the threaded column 10 of the adjusting rod 5 to screw in or out of the threaded hole 9 of the ejector rod 41, so that the adjusting rod 5 can adjust the installation position along its length direction to change the distance between the first operating part 501 and the ejector unit 4, so that the user can adjust the predetermined length of the positioning ejector and adjust the pre-elastic force of the elastic member 7 according to the needs, thereby increasing the positioning ejector. The applicable scope of the needle is that under the action of the elastic member 7, the ejector unit 4 extends outward from the ejector sleeve 1 until the first operating portion 501 is positioned on the limiting ring 8, and the length of the ejector unit 4 extending out of the ejector sleeve 1 reaches the predetermined length of the positioning ejector. The ejector cover 42 is used to increase the contact area between the ejector unit 4 and the workpiece to ensure reliable contact between the workpiece and the ejector unit 4. When the ejector unit 4 abuts against the workpiece, the elastic member 7 plays a buffering role to prevent and reduce the damage to the workpiece surface due to rapid force, thereby improving the quality of the workpiece.

[0025] refer to Figure 3 There is another embodiment of the ejector rod 41. The adjusting rod 5 is slidably connected to the inner wall of the ejector sleeve 1 to guide the telescopic movement of the ejector unit 4. The threaded hole 9 passes through the guide portion 502 of the adjusting rod 5. The threaded column 10 is formed on the ejector rod 41. The threaded column 10 of the ejector rod 41 is threadedly connected to the threaded hole 9 of the adjusting rod 5. The mounting piece is a bolt structure. The ejector cover 42 is fixedly connected to the end of the ejector rod 41 away from the threaded column 10 through the mounting piece.

[0026] Embodiment 2:

[0027] refer to Figure 4 , which is different from the first embodiment, further includes a rotation driving device 2, which is a rotation motor, and a movable end of the rotation driving device 2 is provided with a switching disk 3 that is rotatably connected, and a plurality of tool positions 301 in a circular array are provided on the switching disk 3, and the tool positions 301 are for installing the ejector sleeve 1.

[0028] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A manipulator positioning ejector, characterized by: The invention comprises an ejector sleeve (1), wherein the ejector sleeve (1) is provided with an ejector unit (4) and an adjusting rod (5) in a telescopic manner, wherein the ejector unit (4) is provided with an elastic member (7) so that the ejector unit (4) has a tendency to move away from the ejector sleeve (1), wherein the ejector unit (4) is detachably connected to the adjusting rod (5) via a connecting structure, wherein the inner wall of the ejector sleeve (1) is provided with a limiting ring (8) sleeved and matched with the adjusting rod (5), wherein the adjusting rod (5) is provided with a first operating portion (501) for linking the adjusting rod (5) to adjust the installation position along the length direction thereof, wherein the first operating portion (501) is slidably connected to the inner wall of the ejector sleeve (1), and the first operating portion (501) can be positioned on the limiting ring (8).

2. A manipulator positioning ejector according to claim 1, characterized in that: The connection structure comprises a threaded hole (9) and a threaded column (10), wherein the threaded column (10) is threadedly connected to the threaded hole (9), the ejector unit (4) is slidably connected to the inner wall of the ejector sleeve (1), the threaded hole (9) is opened on the ejector unit (4), the threaded column (10) is formed on the adjusting rod (5), or the adjusting rod (5) is slidably connected to the inner wall of the ejector sleeve (1), the threaded hole (9) passes through the guide portion (502) of the adjusting rod (5), and the threaded column (10) is formed on the ejector unit (4).

3. A manipulator positioning ejector according to claim 2, characterized in that: The ejector unit (4) comprises an ejector rod (41), the ejector rod (41) is slidably connected to the inner wall of the ejector sleeve (1), and the threaded hole (9) passes through the center of the ejector rod (41).

4. A manipulator positioning ejector according to claim 3, characterized in that: The ejector unit (4) further comprises an ejector cover (42), the ejector cover (42) being coaxially arranged with the ejector rod (41), the ejector cover (42) being detachably connected to the end of the ejector rod (41) extending out of the ejector sleeve (1), the elastic member (7) being a spring structure, the elastic member (7) being sleeved on the ejector rod (41), and the two ends of the elastic member (7) respectively abutting against the opposite sides of the ejector cover (42) and the ejector sleeve (1).

5. A manipulator positioning ejector according to claim 4, characterized in that: A mounting hole (11) is formed at the center of the ejector cover (42); a connecting piece (6) is detachably connected to the mounting hole (11); the connecting piece (6) is provided with a second operating portion (601); the second operating portion (601) is positioned in the mounting hole (11); and the connecting piece (6) passes through the end of the mounting hole (11) and is threadedly connected to the threaded hole (9).

6. A manipulator positioning ejector according to claim 5, characterized in that: The second operating portion (601) and the first operating portion (501) both have a tool slot (12).

7. A manipulator positioning ejector according to claim 6, characterized in that: The tool slot (12) is a hexagonal slot.

8. A manipulator positioning ejector according to any one of claims 1 to 7, characterized in that: It also comprises a rotary drive device (2), wherein the movable end of the rotary drive device (2) is provided with a switching disk (3) rotatably connected thereto, and the switching disk (3) is provided with a plurality of tool positions (301) in a circular array, and the tool positions (301) are used for installing the ejector sleeve (1).

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