Robot workstation clamping mechanism

Abstract

The robot workstation clamping mechanism comprises a workstation base, a displacement assembly, an overturning assembly and a clamping assembly, an electric rotary table is arranged on the workstation base, a mounting groove is formed in the electric rotary table, and the displacement assembly is arranged at the mounting groove of the electric rotary table; the displacement assembly is arranged on the base and used for driving a workpiece to move in the horizontal direction and the vertical direction, the overturning assembly is arranged on the displacement assembly and used for achieving vertical overturning of the workpiece, and the clamping assembly is arranged on the overturning assembly. Through the arrangement of the two clamping assemblies, the two ends of a workpiece can be clamped, and under the action of the displacement assembly, the distance between the two clamping assemblies can be adjusted, so that the workpieces of different sizes can be clamped, and meanwhile, the clamping assemblies can move in the vertical direction, so that the clamping efficiency is improved. The clamping height and the height of the workpiece can be adjusted, and the workpiece can be driven to rotate in the vertical direction under the action of the overturning assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of robot workstations, in particular to a robot workstation clamping mechanism. BACKGROUND

[0002] A robot workstation refers to an independent work unit that takes an industrial robot as the core, integrates peripheral equipment (such as tooling fixtures, conveying lines, detection devices, control systems, etc.), and is used to complete specific automated operations (such as welding, assembly, handling, detection, etc.). It is the core hub connecting single-machine automation and production line automation, can realize the closed-loop process of "workpiece feeding - robot operation - unloading", and is widely used in the fields of automobile manufacturing, 3C electronics, metal processing, food and medicine, etc.

[0003] Before the workpiece is welded by the welding workstation, the workpiece needs to be clamped and fixed by the clamping mechanism. During the processing, the workpiece often needs to be processed on multiple surfaces, so the workpiece needs to be turned over during processing. However, the clamping mechanism in the prior art can only simply realize horizontal turning or vertical turning of the workpiece, and cannot turn the workpiece from a horizontal state to a vertical state according to actual needs, resulting in certain limitations in use. SUMMARY

[0004] The purpose of the present application is to provide a robot workstation clamping mechanism that can realize multi-angle turning to overcome the above-mentioned deficiencies.

[0005] To solve the above technical problems, the present application adopts the following technical scheme: a robot workstation clamping mechanism, comprising a workstation base, a displacement assembly, a turning assembly and a clamping assembly: An electric turntable is arranged on the workstation base, and a mounting groove is formed in the electric turntable; The displacement assembly is arranged at the mounting groove of the electric turntable to drive the workpiece to move in the horizontal and vertical directions. The displacement assembly comprises a first sliding rail, a first electric sliding table, a guide plate, a first drive motor, a lead screw, a connecting plate and a mounting bracket; The first sliding rail is arranged at the mounting groove of the electric turntable, and the first electric sliding table is arranged in sliding connection on the first sliding rail; The top of the first electric sliding table is provided with two guide plates; The first drive motor is arranged on the first electric sliding table, and the output shaft of the first drive motor is provided with a lead screw. The surface of the lead screw is screwed with a connecting plate, and one end of the connecting plate is connected with a mounting bracket that is in sliding connection with the guide plate; The turning assembly is arranged on the mounting bracket to realize vertical turning of the workpiece; The clamping assembly is arranged on the turnover assembly, and is used for clamping and fixing the workpiece and realizing horizontal-vertical conversion of the workpiece in cooperation with the displacement assembly. The mounting plate is arranged on the turnover assembly, and the surface of the mounting plate is provided with two first electric push rods, the output ends of the two first electric push rods are both connected with the connecting blocks penetrating through the mounting plate, and one end of the two connecting blocks is connected with the clamping plate. The clamping plate is rotationally provided with the clamping block. The surfaces away from each other of the two clamping plates are both provided with the second electric push rod, and the output ends of the two second electric push rods are both connected with the abutting block.

[0006] Further, the two guide plates are both inverted L-shaped structures, and the horizontal segments of the two guide plates extend to the opposite sides.

[0007] Further, the mounting frame is a H-shaped structure with an opening in the middle, and the surfaces of the recesses on the two sides of the mounting frame are respectively slidably attached to the surfaces of the two guide plates.

[0008] Further, the mounting plate is a U-shaped structure, and the surface of the mounting plate is provided with two sliding holes.

[0009] Further, the connecting blocks are convex-shaped structures, and the two connecting blocks are respectively slidably arranged at the two sliding holes on the surface of the mounting plate.

[0010] Further, the two first electric push rods are staggered on the mounting plate, and the output ends of the two first electric push rods extend in opposite directions.

[0011] Further, the clamping block is a cylindrical structure, the abutting block is a plate body with a semicircular recess on the surface, and the diameter of the semicircular recess on the surface of the abutting block is matched with the diameter of the clamping block.

[0012] Further, the turnover assembly comprises a rotating shaft and a second driving motor, the rotating shaft is rotationally arranged on the mounting frame, one end of the rotating shaft is connected with the mounting plate, the other end of the rotating shaft is provided with a first bevel gear, the second driving motor is arranged on the surface of the mounting frame, and the output shaft of the second driving motor is connected with a second bevel gear meshing with the first bevel gear.

[0013] Further, the workstation base is provided with a second sliding rail on one side of the electric turntable, the second electric sliding table is slidably arranged on the second sliding rail, and the welding robot is arranged on the top of the second electric sliding table.

[0014] The beneficial effects of the present application are as follows: 1、The present application in use, through the setting of two clamping assembly, can be clamped to the both ends of workpiece, and under the action of displacement assembly, the spacing of two clamping assembly can be adjusted, so that the clamping of different size workpiece can be realized, at the same time, the clamping height and the height of workpiece can be adjusted by moving the clamping assembly in the vertical direction, under the action of the turnover assembly, the work in the vertical direction can be rotated, and through the electric rotation, the workpiece in the horizontal direction can be rotated, and through the above rotation, the horizontal and vertical turning of workpiece can be realized.

[0015] 2、The present application in use, when the both ends of workpiece need to be processed, the restriction of clamping block can be cancelled, so that it can be rotated, at this time, under the action of displacement assembly, the movement of clamping assembly in horizontal and vertical direction can be realized, through the rotation of clamping block, the workpiece can be rotated from horizontal transverse state to vertical state, so as to realize the horizontal and vertical conversion of workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the present application; Figure 2 It is the structure schematic diagram of the present application for clamping workpiece in horizontal direction; Figure 3 It is the structure schematic diagram of the present application for clamping workpiece in vertical direction; Figure 4 It is the structure schematic diagram of displacement assembly and clamping assembly of the present application; Figure 5 It is the structure schematic diagram of turnover assembly and clamping assembly of the present application; Figure 6 It is the structure schematic diagram of clamping assembly of the present application; Figure 7 It is the partial structure schematic diagram of clamping assembly of the present application.

[0017] In the drawing: 1, workstation base; 2, electric rotary table; 3, first sliding rail; 4, first electric sliding table; 5, guide plate; 6, first drive motor; 7, screw rod; 8, connecting plate; 9, mounting frame; 10, rotating shaft; 11, first bevel gear; 12, second drive motor; 13, second bevel gear; 14, mounting plate; 15, first electric push rod; 16, connecting block; 17, clamping plate; 18, clamping block; 19, second electric push rod; 20, abutting block; 21, second sliding rail; 22, second electric sliding table; 23, welding robot. DETAILED DESCRIPTION

[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0019] Please refer to Figures 1-7 The present application discloses a kind of robot workstation clamping mechanisms, including workstation pedestal 1, displacement component, turnover component and clamping component: Workstation pedestal 1 is provided with motorized turntable 2, and installation groove is opened in motorized turntable 2; Displacement component is arranged at the installation groove of motorized turntable 2, to drive workpiece to realize the movement in horizontal direction and vertical direction, and under the action of motorized turntable 2, displacement component can be driven to rotate, so as to realize the rotation of workpiece in horizontal direction, and different positions of workpiece are moved to welding position for welding; Displacement component includes first sliding rail 3, first electric sliding table 4, guide plate 5, first drive motor 6, screw rod 7, connecting plate 8 and mounting bracket 9; First sliding rail 3 is arranged at the installation groove of motorized turntable 2, and the number of first electric sliding table 4 is two and both are slidably arranged on first sliding rail 3, wherein the adjustment of interval can be realized by the sliding of two first electric sliding tables 4 on first sliding rail 3; The top of first electric sliding table 4 is provided with two guide plates 5, wherein the guide plate 5 is inverted L-shaped structure, and the horizontal section of the two guide plates 5 extends to the opposite side; First drive motor 6 is arranged on first electric sliding table 4, and the output shaft of first drive motor 6 is provided with screw rod 7, the surface of screw rod 7 is screwed with connecting plate 8, one end of connecting plate 8 is connected with mounting bracket 9 which is slidably attached with guide plate 5, wherein under the action of first drive motor 6, screw rod 7 is driven to rotate, and by the attachment of mounting bracket 9 with guide plate 5, connecting plate 8 can only move vertically up and down when screw rod 7 rotates, so as to drive mounting bracket 9 to move up and down simultaneously, to realize the adjustment of height; Mounting bracket 9 is I-shaped structure with middle opening, and the surfaces of two guide plates 5 are slidably attached to the surfaces of the recesses on both sides of mounting bracket 9, wherein the guide plate 5 and mounting bracket 9 are attached to each other, so as to limit mounting bracket 9, which can only move vertically up and down, and under the action of the horizontal section of the top of guide plate 5, the movement range of mounting bracket 9 can be limited.

[0020] Turnover component is arranged on mounting bracket 9, to realize the vertical turnover of workpiece; The turnover assembly comprises a rotating shaft 10 and a second driving motor 12, the rotating shaft 10 is arranged on the mounting frame 9 in a rotating mode, one end of the rotating shaft 10 is connected with the clamping assembly, the other end of the rotating shaft 10 is provided with a first bevel gear 11, the second driving motor 12 is arranged on the surface of the mounting frame 9, the output shaft of the second driving motor 12 is connected with a second bevel gear 13 which is engaged with the first bevel gear 11, wherein under the engagement of the first bevel gear 11 and the second bevel gear 13, when the second driving motor 12 works, the rotating shaft 10 can be driven to rotate, at this time, the clamping assembly will also rotate, thereby realizing the rotation of the workpiece in the vertical plane.

[0021] The clamping assembly is arranged on the turnover assembly, so as to realize the clamping and fixing of the workpiece, and realize the horizontal and vertical conversion of the workpiece in cooperation with the displacement assembly.

[0022] The clamping assembly comprises a mounting plate 14, a first electric push rod 15, a connecting block 16, a clamping plate 17, a clamping block 18, a second electric push rod 19 and a resisting block 20. The mounting plate 14 is connected with the rotating shaft 10, so as to be driven to rotate by the second driving motor 12.

[0023] The mounting plate 14 is in a U-shaped structure, and the surface of the mounting plate 14 is provided with two sliding holes, the surface of the mounting plate 14 is staggeredly provided with two first electric push rods 15, and the two first electric push rods 15 are located above and below the rotating shaft 10 respectively, the output ends of the two first electric push rods 15 are both connected with the connecting block 16 which penetrates the sliding hole on the surface of the mounting plate 14, and one end of the two connecting blocks 16 is connected with the clamping plate 17. The connecting block 16 is in a convex structure, and the two connecting blocks 6 slide at the two sliding holes on the surface of the mounting plate 14, and the extension directions of the output ends of the two first electric push rods 15 are opposite, so that when the two first electric push rods 15 work, the two connecting blocks 16 will move to the opposite side, thereby realizing the clamping of the workpiece, and when the two connecting blocks 16 move to the opposite side, the workpiece will be loosened. The clamping plate 17 is rotatably provided with the clamping block 18 in a cylindrical structure, wherein under the action of the rotatable clamping block 18, the workpiece can also rotate after being clamped. The opposite surfaces of the two clamping plates 17 are both provided with the second electric push rod 19, the output ends of the two second electric push rods 19 are both connected with the resisting block 20, wherein the second electric push rod 19 works to drive the resisting block 20 to move, and the resisting block 20 is a plate body provided with a semicircular recess on the surface, and the diameter of the semicircular recess on the surface of the resisting block 20 is matched with the diameter of the clamping block 18, so as to ensure that the resisting block 20 can abut against the surface of the clamping block 18, wherein the resisting block 20 abuts against the surface of the clamping block 18, thereby limiting the rotation of the clamping block 18.

[0024] The workstation base 1 is provided with a second sliding rail 21 on one side of the electric rotating table 2, and a second electric sliding table 22 is slidably arranged on the second sliding rail 21, and a welding robot 23 is arranged on the top of the second electric sliding table 22, and the welding robot 23 can be driven to move horizontally by the second electric sliding table 22 sliding on the second sliding rail 21, so as to realize the adjustment of the welding position.

[0025] Through the above structure: 1、In use, through the work of two first electric push rods 15, the two clamping plates 17 can be driven to move to the opposite side through the connecting blocks 16 connected thereto, and the clamping blocks 18 are in contact with the workpiece, so that the workpiece is finally clamped and fixed, and under the rotating action of the electric rotating table 2, the workpiece clamped can be driven to rotate in the horizontal plane, and at this time, the rotation can move the different positions of the workpiece to the welding position, so as to realize it, and through the work of the second driving motor 12, the second bevel gear 13 is driven to rotate, and at this time, under the action of the first bevel gear 11 meshing with the second bevel gear 13, the rotating shaft 10 is driven to rotate, and at this time, the mounting plate 14 also rotates synchronously, so as to realize the rotation of the vertical plane of the workpiece and realize the processing of different surfaces of the workpiece.

[0026] 2、In use, through the work of the second electric push rod 19, the abutting block 20 is driven to move away from the clamping block 18, and at this time, the clamping block 18 is no longer limited, so it can rotate, and at the same time, through the horizontal movement of the first electric sliding table 4 and the first sliding rail 3, the first driving motor 6 is driven to rotate the lead screw 7, and under the action of the connecting plate 8, the mounting frame 9 is driven to move vertically up and down, and through the adjustment of the horizontal position and the vertical position, and the workpiece is in the rotatable state of the clamping block 18, the workpiece can be rotated from the horizontal transverse state to the vertical state, so as to realize the horizontal-vertical conversion of the workpiece.

[0027] It should be noted that if the embodiment of the present application involves directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0029] In addition, "a plurality of" means two or more.

[0030] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A robotic work station gripping mechanism, characterized by, The workstation base (1) is provided with an electric rotating table (2), and the electric rotating table (2) is provided with a mounting groove. The displacement assembly is arranged at the mounting groove of the electric rotating table (2) and is used to drive the workpiece to move in the horizontal direction and the vertical direction. The first sliding rail (3) is arranged at the mounting groove of the electric rotating table (2), and the first electric sliding table (4) is arranged in sliding mode on the first sliding rail (3). The first electric sliding table (4) is provided with two guide plates (5) on the top. The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

2. The robotic work station gripping mechanism of claim 1, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

3. The robotic work station gripping mechanism of claim 1, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

4. The robotic work station gripping mechanism of claim 1, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

5. The robotic work station gripping mechanism of claim 4, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

6. The robotic work station gripping mechanism of claim 1, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7).

7. The robotic work station gripping mechanism of claim 1, wherein: The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6) is arranged on the first electric sliding table (4), and the output shaft of the first driving motor (6) is provided with a lead screw (7). The first driving motor (6 8. The robotic work station gripping mechanism of claim 1, wherein: The turnover assembly comprises a rotating shaft (10) and a second driving motor (12), the rotating shaft (10) is rotationally arranged on a mounting frame (9), one end of the rotating shaft (10) is connected with a mounting plate (14), the other end of the rotating shaft (10) is provided with a first bevel gear (11), the second driving motor (12) is arranged on the surface of the mounting frame (9), and the output shaft of the second driving motor (12) is connected with a second bevel gear (13) engaged with the first bevel gear (11).

9. The robotic work station gripping mechanism of claim 1, wherein: The workstation base (1) is provided with a second sliding rail (21) located on one side of the electric rotating table (2), the second sliding rail (21) is slidably provided with a second electric sliding table (22), and the top of the second electric sliding table (22) is provided with a welding robot (23).

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