Positioning device of manipulator

Abstract

The utility model provides a positioning device of a manipulator, which relates to the technical field of positioning devices, and comprises a support frame, a positioning plate, a limiting block and a cylindrical support block, the positioning plate is arranged on the support frame, and the positioning plate is used for placing a workpiece and supporting the workpiece; in order to position the workpiece, a supporting block is arranged in the middle of the positioning plate and used for limiting the workpiece, the supporting block is arranged to be cylindrical, the limiting block is installed on the circumferential face of the supporting block and used for abutting against the side wall of the workpiece so as to position the workpiece, specifically, a protrusion is arranged on the side portion of the workpiece, and the workpiece can be rotated by rotating the workpiece. By means of the arrangement, the protrusions on the workpiece abut against the limiting blocks, secondary positioning of the workpiece is achieved, it is guaranteed that the workpiece can be accurately grabbed by the manipulator, and the situations that positioning in the rotation direction is too poor, an unthreaded hole can be deviated during drilling, and the machining precision is improved can be reduced. And a casting surface is reserved on a severe hole wall, so that the product is unqualified.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning device technical field, especially a kind of positioning device of mechanical hand. BACKGROUND

[0002] A stainless steel cast bottom flange part needs numerical control turning processing and drills 2 light holes and 3 threaded holes on end face in prior art.In the time of clamping workpiece, use mechanical hand automatic feeding and discharging.Because there is bottom hole on casting, drill hole on the basis of bottom hole when processing, one side allowance 1 millimeter, this needs when placing casting on tray, the position accuracy of high in rotation direction.Worker is not convenient to operate, also very wasteful of time.Light hole is drilled off in rotation direction positioning too bad, and seriously, hole wall can leave casting surface, lead to product unqualified. SUMMARY

[0003] The utility model discloses a kind of positioning device of mechanical hand, to solve the technical problem that bottom flange part is inconvenient to position in prior art.The many technical effects that the preferred technical solution in the many technical solutions provided by the utility model can produce are described in the following.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a kind of positioning device of mechanical hand, including support frame, positioning plate, limit block, cylindrical support block, the positioning plate is installed on the support frame, the middle position of the positioning plate is provided with support block, for limiting workpiece, the limit block is installed on the circumferential surface of the support block, for with the side wall of workpiece is resisted, to position workpiece.

[0006] Preferably, it further includes telescopic cylinder, the telescopic cylinder is installed one side of the positioning plate, so that the telescopic rod of the telescopic cylinder is pushed out when workpiece side portion on protrusion and the limit block are resisted.

[0007] Preferably, it further includes controller, the controller is electrically connected with the telescopic cylinder, action switch of the controller is provided with the action of telescopic cylinder.

[0008] Preferably, the positioning plate is provided with cylindrical recess, and the support block is installed in the recess.

[0009] Preferably, the upper surface of the limit block is provided with a stepped surface to form a first stepped surface and a second stepped surface, wherein the height of the first stepped surface is higher than the height of the second stepped surface, and a fastener is installed on the second stepped surface.

[0010] Preferably, the second stepped surface is provided with a second through hole, and a positioning column is arranged in the second through hole and installed on the positioning plate.

[0011] Preferably, the support frame is further provided with a placement position for placing the first positioning workpiece mounting plate.

[0012] Preferably, the support frame is further provided with a placement position for placing the first positioning workpiece mounting plate.

[0013] The technical scheme provided in the application file has the following beneficial effects:

[0014] The utility model provides a kind of positioning device of manipulator, including support frame, positioning plate, limit block, cylindrical support block, wherein, support frame is used to provide support, positioning plate is installed on support frame, and positioning plate is used to place workpiece, and workpiece is supported;In order to position workpiece, support block is arranged in the middle position of positioning plate, for limiting workpiece, since the inner side of workpiece is cylindrical, support block is set to cylindrical, wherein, in order to enable limit block to position workpiece, limit block is installed on the circumferential surface of support block, for being in abutment with the side wall of workpiece, to position workpiece, specifically, the side of workpiece is provided with protrusion, by rotating workpiece, the protrusion on workpiece is in abutment with limit block, to realize accurate positioning and facilitate manipulator to be grabbed, so set, by the protrusion on workpiece being in abutment with limit block, workpiece secondary positioning is realized, so that manipulator can accurately grab workpiece, can reduce that the positioning in rotary direction is too bad, and light hole can be drilled to be offset, and serious hole wall can leave casting surface, to cause product to be unqualified. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in embodiment or prior art description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0016] Figure 1 It is the structure schematic view of the positioning device of manipulator provided in the embodiment one of the utility model.

[0017] Figure 2 It is the structure schematic view of the positioning device of manipulator according to an exemplary embodiment;

[0018] Figure 3 It is Figure 2 The local enlarged view of A in Fig.

[0019] Figure 4 It is the structure schematic view of positioning plate according to an exemplary embodiment.

[0020] In the diagram: 1. Support frame; 2. Positioning plate; 21. Groove; 3. Limiting block; 31. First step surface; 32. Second step surface; 33. Second through hole; 4. Support block; 5. Telescopic cylinder; 6. Controller; 7. Mounting plate; 8. Robot arm. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] This specific embodiment provides a positioning device for a robotic arm, which solves the technical problem of inconvenient positioning of bottom flange parts in the prior art.

[0023] Hereinafter, embodiments will be described with reference to the accompanying drawings. Furthermore, the embodiments shown below do not limit the scope of the utility model as described in the claims. Additionally, the complete contents of the structures represented in the following embodiments are not limited to those necessary for the solution of the utility model as described in the claims.

[0024] Reference Figures 1-4 This utility model provides a positioning device for a robotic arm, including a support frame 1, a positioning plate 2, a limiting block 3, and a cylindrical support block 4. The support frame 1 provides support, and the positioning plate 2 is mounted on the support frame 1 to place and support the workpiece. To position the workpiece, a support block 4 is provided in the middle of the positioning plate 2 to limit the workpiece. Since the inner side of the workpiece is cylindrical, the support block 4 is cylindrical. To enable the limiting block 3 to position the workpiece, the limiting block 3 is mounted on the circumference of the support block 4 and abuts against the side wall of the workpiece. Specifically, the side of the workpiece has a protrusion. By rotating the workpiece, the protrusion on the workpiece abuts against the limiting block 3, thereby achieving precise positioning and facilitating the robotic arm's gripping. This configuration achieves secondary positioning of the workpiece by abutting the protrusion on the workpiece against the limiting block 3, ensuring that the robotic arm can accurately grasp the workpiece and reducing the risk of poor positioning in the rotation direction, which could lead to misaligned drilling of the hole and, in severe cases, casting marks on the hole wall, resulting in product defects.

[0025] To further optimize the solution and reduce labor, a telescopic cylinder 5 is also included. The telescopic cylinder 5 is installed on one side of the positioning plate 2 so that when the telescopic rod of the telescopic cylinder 5 extends, it pushes the protrusion on the side of the workpiece to abut against the limiting block 3. When in use, the telescopic rod of the telescopic cylinder 5 is controlled to extend, and the telescopic rod of the telescopic cylinder 5 pushes the protrusion on the workpiece to rotate around the columnar support block 4, thereby causing the columnar support block 4 to abut against the protrusion on the workpiece, reducing labor and improving work efficiency.

[0026] To further optimize the design and facilitate operation, a controller 6 is also included. The controller 6 is electrically connected to the telescopic cylinder 5. The controller 6 is equipped with an action switch that controls the movement of the telescopic cylinder 5. When the time is right, simply press the action switch for easy operation.

[0027] To further optimize the design, a cylindrical groove 21 is provided on the positioning plate 2 to facilitate the positioning of the support block 4. The support block 4 is installed in the groove 21, wherein the upper end face of the support block 4 is higher than the end face of the positioning plate 2, so that the support block 4 can position the workpiece. This reduces the probability of the support block 4 moving when the workpiece rotates.

[0028] To further optimize the design, in order to facilitate the installation of the limiting block 3 and reduce the impact of the limiting block 3 on the workpiece, the upper surface of the limiting block 3 is set as a stepped surface to form a first stepped surface 31 and a second stepped surface 32. The height of the first stepped surface 31 is higher than the height of the second stepped surface 32. The fastener is installed on the second stepped surface 32. In this way, the end face of the fastener will be lower than the height of the first stepped surface 31, reducing the impact of the end face of the fastener on the workpiece.

[0029] To further optimize the design and reduce the swaying of the second step surface 32, a second through hole 33 is provided on the second step surface 32. The second through hole 33 extends through the height direction of the limiting block 3. A positioning post is provided inside the second through hole 33 and is installed on the positioning plate 2. With this arrangement, the two points are positioned in a straight line, reducing the swaying of the limiting block 3.

[0030] To further optimize the solution, a placement position is also provided on the support frame 1 to facilitate the robot arm in gripping the workpiece. The placement position is used to place the first positioning workpiece mounting plate 7. The workpiece is initially positioned on the mounting plate 7 to facilitate the robot arm in picking up the workpiece and then performing secondary positioning on the workpiece.

[0031] Further optimization of the solution also includes a robotic arm 8, which is mounted on the support frame 1. This allows the robotic arm to accurately pick up parts and reduce errors.

[0032] With this setup, the worker places the mounting plate 7 on the support frame 1, and the robotic arm 8 retrieves the casting from the mounting plate 7. After retrieving the casting, it is placed into the precision positioning device for another precision positioning, and then the casting is retrieved again. This ensures that the positioning accuracy meets the product processing requirements, achieving 100% positioning accuracy. Workers only need to batch-load castings and remove processed parts, requiring no other operations. This saves labor while guaranteeing accuracy.

[0033] It should be noted that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., used herein to indicate the orientation or positional relationship shown in the accompanying drawings, are merely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In this description, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

[0036] It is understood that the same or similar parts in the above embodiments can be referred to each other, and the content not described in detail in some embodiments can be referred to the same or similar content in other embodiments. The multiple solutions provided in this application contain their own basic solutions, are independent of each other, and do not restrict each other, but they can also be combined with each other without conflict to achieve multiple effects.

[0037] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A positioning device for a robotic arm, characterized in that, It includes a support frame (1), a positioning plate (2), a limiting block (3), and a columnar support block (4). The positioning plate (2) is installed on the support frame (1). The middle position of the positioning plate (2) is provided with a support block (4) for limiting the workpiece. The limiting block (3) is installed on the periphery of the support block (4) for abutting against the side wall of the workpiece to position the workpiece.

2. The positioning device for the robotic arm according to claim 1, characterized in that, It also includes a telescopic cylinder (5), which is installed on one side of the positioning plate (2) so that when the telescopic rod of the telescopic cylinder (5) extends, it pushes the protrusion on the side of the workpiece to abut against the limiting block (3).

3. The positioning device for the robotic arm according to claim 2, characterized in that, It also includes a controller (6), which is electrically connected to the telescopic cylinder (5), and the controller (6) is provided with an action switch for controlling the action of the telescopic cylinder (5).

4. The positioning device for the robotic arm according to claim 1, characterized in that, The positioning plate (2) is provided with a cylindrical groove (21), and the support block (4) is installed in the groove (21).

5. The positioning device for the robotic arm according to claim 1, characterized in that, The upper surface of the limiting block (3) is set as a stepped surface to form a first stepped surface (31) and a second stepped surface (32), wherein the height of the first stepped surface (31) is higher than the height of the second stepped surface (32), and the fastener is installed on the second stepped surface (32).

6. The positioning device for the robotic arm according to claim 5, characterized in that, A second through hole (33) is provided on the second step surface (32), and a positioning post is provided in the second through hole (33). The positioning post is installed on the positioning plate (2).

7. The positioning device for the robotic arm according to claim 1, characterized in that, The support frame (1) is also provided with a placement position for placing the first positioning workpiece mounting plate (7).

8. The positioning device for the robotic arm according to claim 1, characterized in that, It also includes a robotic arm (8) mounted on the support frame (1).

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