Pneumatic clamping mechanism for automatic detection

Abstract

The utility model relates to a pneumatic clamping mechanism for automatic detection, which comprises a mounting bottom plate, a rotary pressing cylinder, a fixed clamping block support and a movable clamping block support, the rotary pressing cylinder and the fixed clamping block support are mounted on the mounting bottom plate, and a fixed clamping block is mounted at the top end of the fixed clamping block support. The movable clamping block support is installed at the bottom end of a rocker arm of the rotary downward-pressing air cylinder, the movable clamping block is installed at the bottom end of the movable clamping block support, and the movable clamping block is located over the fixed clamping block when the rotary downward-pressing air cylinder is in a downward-pressing state. A pin column is further installed on the top of the fixed clamping block support, a concave pin groove is formed in the center of the bottom of the movable clamping block, and the pin column is matched with the pin groove in a pluggable mode. The pneumatic clamping mechanism has the beneficial effects that when a transfer robot transfers a workpiece to a detection station, a pin hole in the workpiece is aligned with a pin column and then the workpiece is placed on a fixed clamping block, the transfer robot can loosen the workpiece, and the transfer robot does not need to wait for the pneumatic clamping mechanism to clamp the workpiece.

Description

Technical Field

[0001] The utility model relates to the field of clamps, in particular to a pneumatic clamping mechanism for automated testing. Background Art

[0002] When performing automated inspection on workpieces, a handling robot transports the workpiece to the inspection station, and then a fixture installed on the robotic arm at the inspection station clamps and fixes the workpiece. Limited by the existing fixture structure, the handling robot needs to wait until the fixture clamps and fixes the workpiece before it can release the workpiece. Otherwise, the workpiece is likely to shift or even slip in the fixture. Utility Model Content

[0003] The purpose of the utility model is to overcome the above problems existing in the prior art and provide a pneumatic clamping mechanism for automated detection.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A pneumatic clamping mechanism for automated inspection comprises a mounting base plate, a rotating downward-pressing cylinder, a fixed clamp block bracket, and a movable clamp block bracket, wherein the mounting base plate is mounted on the end of a robotic arm of an automated inspection station with bolts, the rotating downward-pressing cylinder and the fixed clamp block bracket are mounted on the mounting base plate, a fixed clamp block is mounted on the top of the fixed clamp block bracket, the movable clamp block bracket is mounted on the bottom end of a rocker arm of the rotating downward-pressing cylinder, a movable clamp block is mounted on the bottom end of the movable clamp block bracket, and when the rotating downward-pressing cylinder is in a downward-pressing state, the movable clamp block is located directly above the fixed clamp block; a pin column is also mounted on the top of the fixed clamp block bracket, and an inwardly concave pin groove is provided at the bottom center of the movable clamp block, and the pin column is engaged in plug-in and pull-out cooperation with the pin groove.

[0006] Among them, the fixed clamp block bracket includes a first elongated support plate and a first cylindrical support column. The tail of the first support plate is installed on the mounting base plate with screws. The head of the first support plate is provided with a first screw hole that penetrates the first support plate. The bottom of the first support column is fixedly connected with a first screw rod coaxial with the first support column. The first screw rod is screwed with the first screw hole, and the first support column is perpendicular to the first support plate.

[0007] Among them, the bottom end of the pin is fixedly connected with a third screw rod coaxial with the pin, the top of the first support column is provided with a third screw hole coaxial with the first support column, and the third screw rod is screwed into the third screw hole; the top center of the fixed clamp block is provided with a concave receiving groove, and the bottom of the pin is stuck in the receiving groove.

[0008] Among them, the movable clamping block bracket includes a second long strip support plate and a second cylindrical support column. The tail of the second support plate is installed on the bottom end of the rocker arm of the rotating downward pressure cylinder with screws. The head of the second support plate is provided with a second screw hole penetrating the second support plate. The top of the second support column is fixedly connected with a second screw rod coaxial with the second support column. The second screw rod is screwed with the second screw hole, and the second support column is perpendicular to the second support plate.

[0009] Wherein, a concave limiting groove is arranged at the top end of the tail portion of the second supporting plate, and the bottom portion of the rocker arm of the rotating downward-pressing cylinder is stuck in the limiting groove.

[0010] The beneficial effect of the utility model is that the robotic arm of the automated inspection station drives the pneumatic clamping mechanism to reach the position of clamping the workpiece, and the rotating downward pressure cylinder rises and rotates to the initial state. When the handling robot transports the workpiece to the inspection station, the pin hole on the workpiece is aligned with the pin column and then placed on the fixed clamping block. The handling robot can then release the workpiece, and the handling robot does not need to wait for the pneumatic clamping mechanism to clamp the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 It is a structural schematic diagram of the pneumatic clamping mechanism in the utility model when the rotating downward pressing cylinder is in the initial state from the first perspective;

[0013] Figure 2 It is a structural schematic diagram of the pneumatic clamping mechanism in the utility model when the rotating downward pressing cylinder is in the initial state from a second viewing angle;

[0014] Figure 3 It is a structural schematic diagram of the pneumatic clamping mechanism in the utility model when the rotary downward pressing cylinder is in the downward pressing state;

[0015] Figure 4 It is a structural schematic diagram of the fixed clamping block bracket, the fixed clamping block and the pin column in the utility model;

[0016] Figure 5 It is a structural schematic diagram of the movable clamping block bracket, the movable clamping block and the hexagon socket round head screw in the utility model;

[0017] Explanation of the numbers in the figure: installing base plate 1, rotating downward pressure cylinder 2, rocker arm 21, fixed clamp block bracket 3, first support plate 31, first support column 32, first screw hole 33, first screw rod 34, third screw hole 35, movable clamp block bracket 4, second support plate 41, second support column 42, second screw hole 43, second screw rod 44, limiting groove 45, fixed clamp block 5, accommodating groove 51, movable clamp block 6, pin groove 61, pin column 7, third screw rod 71, hexagon socket head screw 8. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0019] like Figures 1 to 5 As shown, a pneumatic clamping mechanism for automated inspection includes a mounting base plate 1, a rotating downward-pressing cylinder 2, a fixed clamping block bracket 3, and a movable clamping block bracket 4. The mounting base plate 1 is installed at the end of a robotic arm of an automated inspection station with bolts, and the rotating downward-pressing cylinder 2 and the fixed clamping block bracket 3 are installed on the mounting base plate 1.

[0020] The fixed clamp bracket 3 includes a first elongated support plate 31 and a first cylindrical support column 32. The tail of the first support plate 31 is mounted on the mounting base plate 1 with screws. The head of the first support plate 32 is provided with a first screw hole 33 that penetrates the first support plate 31. The bottom of the first support column 32 is fixedly connected with a first screw rod 34 that is coaxial with the first support column 32. The first screw rod 34 is screwed with the first screw hole 33. The first support column 32 is perpendicular to the first support plate 32.

[0021] The movable clamp block bracket 4 is installed at the bottom end of the rocker arm 21 of the rotary downward pressure cylinder 2. The movable clamp block bracket 4 includes a second elongated support plate 41 and a second cylindrical support column 42. The tail of the second support plate 41 is installed at the bottom end of the rocker arm 21 of the rotary downward pressure cylinder 2 with screws. The head of the second support plate 41 is provided with a second screw hole 43 that penetrates the second support plate 41. The top of the second support column 42 is fixedly connected with a second screw rod 44 that is coaxial with the second support column 42. The second screw rod 44 is screwed with the second screw hole 43. The second support column 42 is perpendicular to the second support plate 41. The top end of the tail of the second support plate 41 is provided with a concave limiting groove 45, and the bottom part of the rocker arm 21 of the rotary downward pressure cylinder 2 is stuck in the limiting groove.

[0022] A fixed clamp block 5 is installed at the top of the fixed clamp block bracket 3, and a movable clamp block 6 is installed at the bottom of the movable clamp block bracket 4 using a hexagon socket round head screw 8. When the rotating downward pressing cylinder 2 is in the downward pressing state, the movable clamp block 6 is located directly above the fixed clamp block 5.

[0023] A pin 7 is also installed on the top of the fixed clamping block bracket 3, and a concave pin groove 61 is provided at the bottom center of the movable clamping block 6, and the pin 7 is plugged in and out of the pin groove 61. A third screw rod 71 coaxial with the pin 7 is fixedly connected to the bottom end of the pin 7, and a third screw hole 35 coaxial with the first support column 32 is provided at the top of the first support column 32, and the third screw rod 71 is screwed into the third screw hole 35; a concave receiving groove 51 is provided at the top center of the fixed clamping block 5, and the bottom of the pin 7 is stuck in the receiving groove 51.

[0024] The robotic arm of the automated inspection station drives the pneumatic clamping mechanism to the position for clamping the workpiece, rotates the downward pressure cylinder to rise, and rotates to the initial state. When the handling robot transports the workpiece to the inspection station, it aligns the pin hole on the workpiece with the pin column and places it on the fixed clamp block. The handling robot can then release the workpiece, and the handling robot does not need to wait for the pneumatic clamping mechanism to clamp the workpiece.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A pneumatic clamping mechanism for automated testing, characterized in that: It includes a mounting base plate, a rotating downward-pressing cylinder, a fixed clamp block bracket, and a movable clamp block bracket. The mounting base plate is installed on the end of a robotic arm of an automated inspection station with bolts. The rotating downward-pressing cylinder and the fixed clamp block bracket are installed on the mounting base plate. A fixed clamp block is installed on the top of the fixed clamp block bracket. The movable clamp block bracket is installed on the bottom end of a rocker arm of the rotating downward-pressing cylinder. A movable clamp block is installed on the bottom end of the movable clamp block bracket. When the rotating downward-pressing cylinder is in a downward-pressing state, the movable clamp block is located directly above the fixed clamp block. A pin column is also installed on the top of the fixed clamp block bracket. An inwardly concave pin groove is provided at the bottom center of the movable clamp block. The pin column is plug-in-pull-matched with the pin groove.

2. The pneumatic clamping mechanism according to claim 1, characterized in that: The fixed clamp block bracket includes a first elongated support plate and a first cylindrical support column. The tail of the first support plate is mounted on the mounting base plate with screws. The head of the first support plate is provided with a first screw hole that penetrates the first support plate. The bottom of the first support column is fixedly connected with a first screw rod coaxial with the first support column. The first screw rod is screwed with the first screw hole, and the first support column is perpendicular to the first support plate.

3. The pneumatic clamping mechanism according to claim 2, characterized in that: The bottom end of the pin is fixedly connected with a third screw rod coaxial with the pin, and the top of the first support column is provided with a third screw hole coaxial with the first support column, and the third screw rod is screwed into the third screw hole; a concave receiving groove is provided in the top center of the fixed clamp block, and the bottom of the pin is stuck in the receiving groove.

4. The pneumatic clamping mechanism according to claim 1, characterized in that: The movable clamp bracket includes a second elongated support plate and a second cylindrical support column. The tail of the second support plate is installed on the bottom end of the rocker arm of the rotating downward pressure cylinder with screws. The head of the second support plate is provided with a second screw hole that penetrates the second support plate. The top of the second support column is fixedly connected with a second screw rod coaxial with the second support column. The second screw rod is screwed with the second screw hole, and the second support column is perpendicular to the second support plate.

5. The pneumatic clamping mechanism according to claim 4, characterized in that: A concave limiting groove is arranged at the top end of the tail portion of the second supporting plate, and the bottom portion of the rocker arm of the rotating downward-pressing cylinder is inserted into the limiting groove.

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