Steel ring side guide clamp

Abstract

The utility model provides a steel ring side guide clamp. The steel ring side guide clamp comprises a driving mechanism, a guide mechanism, a transmission mechanism and a clamping arm, the clamping arms are arranged at the bottom of the driving mechanism in a left-right symmetrical and spaced mode, can move left and right in the horizontal direction in the same direction or in the back-to-back mode at the same time and are used for clamping or loosening a steel ring. The guide mechanism is fixedly arranged at the end, away from the clamping arm, of the driving mechanism and used for guiding the clamping arm in the moving process. The transmission mechanism is used for achieving simultaneous clamping or loosening of the clamping arms. The driving mechanism is used for driving the clamping arm to move left and right in the horizontal direction. Compared with the arrangement facing the steel ring, the linear guide rail is laterally arranged relative to the steel ring, so that the common stress area of the sliding blocks is increased, the service life of the sliding blocks is prolonged, and meanwhile, the running precision of the robot is also improved. The center of gravity of the clamp approaches the robot, so that the clamping center of gravity of the robot is shortened, the load of the robot is reduced, and the running stability of the robot is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment automation, in particular to a steel ring side guide clamp. Background Art

[0002] Robot fixtures are one of the important components in the development of robot automation. In robot integration applications, various fixtures are common. However, the stability and accuracy of some fixtures in actual production applications do not meet the expected purpose. For example, the robot fixture for handling rim steel rings, because the guide rail is set facing the steel ring, the slide bears a large load and is easily damaged; at the same time, the guide rail is close to the steel ring, and the center of gravity of the fixture is long, which increases the operating load of the robot that cooperates with it and reduces the stability of the robot's operation. Utility Model Content

[0003] The utility model aims to provide a steel ring side guide clamp to solve at least one or more technical problems existing in the prior art.

[0004] In order to solve the above technical problems, the utility model provides a steel ring side guide clamp, comprising: a driving mechanism, a guiding mechanism, a transmission mechanism and a clamping arm;

[0005] The clamping arms are symmetrically arranged at the bottom of the driving mechanism and can move left and right simultaneously toward or away from each other in the horizontal direction to clamp or loosen the steel ring.

[0006] The guide mechanism is fixedly arranged at one end of the driving mechanism away from the clamping arm, and is used for guiding the clamping arm during its movement;

[0007] The transmission mechanism is used to achieve simultaneous clamping or loosening of the clamping arms;

[0008] The driving mechanism is used to drive the clamping arm to move left and right along the horizontal direction.

[0009] Further, the driving mechanism comprises a first moving frame and a second moving frame and an intermediate supporting plate arranged at intervals on the left and right sides in the horizontal direction;

[0010] The first movable frame and the second movable frame can be arranged on the middle support plate so as to move left and right in a horizontal direction toward or away from each other at the same time;

[0011] A driving cylinder is horizontally arranged in the first moving frame and the second moving frame;

[0012] The bottom surface of the driving cylinder body is provided with a sliding block which can move horizontally along the cylinder body and is fixedly connected to the first moving frame and the second moving frame respectively; and is used for the movement of the first moving frame and the second moving frame along the driving cylinder body;

[0013] The telescopic end of the driving cylinder is fixedly connected to the second moving frame.

[0014] Furthermore, the guide mechanism includes linear guide rails fixedly arranged on the front and rear surfaces of the intermediate support plate and three groups of left, middle and right sliders that can slide along the linear guide rails;

[0015] The left sliding block is fixedly connected to an end of the first movable frame away from the clamping arm;

[0016] The sliding block on the right side is fixedly connected to one end of the second movable frame away from the clamping arm;

[0017] The middle slider is fixedly connected to the first middle slider mounting plate and the second middle slider mounting plate respectively.

[0018] Preferably, the transmission mechanism is a synchronous gripping gear rack mechanism, which is arranged on the upper part of the intermediate support plate, and includes a first rack and a second rack which are horizontally movably arranged in front of and behind the intermediate support plate;

[0019] A transmission gear is meshed between the first rack and the second rack, for driving the first rack and the second rack to move toward or away from each other simultaneously;

[0020] The transmission gear is rotatably disposed on the intermediate support plate;

[0021] The first rack is fixedly connected to the first moving frame and the first intermediate slider mounting plate respectively;

[0022] The second rack is fixed to the second moving frame and the second intermediate slider mounting plate.

[0023] Further, the first intermediate slider mounting plate and the second intermediate slider mounting plate are arranged between the first moving frame and the second moving frame and are close to the transmission gear;

[0024] The first intermediate slider mounting plate is movably disposed in front of the intermediate support plate;

[0025] The second intermediate slider mounting plate is movably disposed behind the intermediate support plate.

[0026] The provision of the first intermediate slider mounting plate and the second intermediate slider mounting plate improves the stability of the rack movement, thereby improving the synchronization of the clamp arm movement.

[0027] Furthermore, a rotating shaft is coaxially mounted in the transmission gear, a bearing seat is disposed at one end of the rotating shaft away from the transmission gear, and the bearing seat is fixedly disposed in the bottom plate.

[0028] Furthermore, the bottom plate is fixedly connected to the middle support plate.

[0029] Furthermore, a robot connecting flange is fixedly provided on the top of the base plate, and is used for fixed connection between the base plate and the robot.

[0030] Furthermore, a plurality of rubber clamping blocks are symmetrically arranged on the clamping arm, and the rubber clamping blocks are rotatably arranged on the clamping arm through a pin shaft.

[0031] By adopting the above technical solution, the utility model has the following beneficial effects:

[0032] The utility model provides a steel ring side guide clamp, which has the following advantages:

[0033] 1. Compared with the linear guide rail facing the steel ring, the linear guide rail is set sideways relative to the steel ring, which increases the common force-bearing area of ​​the slider, thereby increasing the service life of the slider and also improving the accuracy of the robot's operation.

[0034] 2. By changing the installation position of the linear slide rail, the center of gravity of the fixture is moved closer to the robot, thereby shortening the robot's clamping center of gravity, reducing the robot's load, and improving the stability of the robot's operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A front view of a steel ring side guide clamp provided by an embodiment of the utility model;

[0037] Figure 2 A three-dimensional diagram of a steel ring side guide clamp provided in an embodiment of the utility model;

[0038] Figure 3 A sectional view of the AA section of a steel ring side guide fixture provided by an embodiment of the utility model;

[0039] Figure 4 A BB cross-sectional view of a steel ring side guide clamp provided in an embodiment of the utility model.

[0040] Reference numerals:

[0041] 10-driving mechanism; 11-first moving frame; 12-second moving frame; 13-middle supporting plate; 14-first middle slider mounting plate; 15-second middle slider mounting plate; 16-driving cylinder; 17-bottom plate; 20-guiding mechanism; 21-linear guide rail; 22-slider; 30-transmission mechanism; 31-first rack; 32-second rack; 33-transmission gear; 34-rotating shaft; 35-bearing seat; 36-bearing; 40-robot connecting flange; 50-clamping arm; 51-pin shaft; 52-rubber clamping block. DETAILED DESCRIPTION

[0042] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0043] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] The present invention will be further explained below in conjunction with specific implementation methods.

[0046] like Figure 1-2 As shown, a steel ring side guide clamp provided in this embodiment includes: a driving mechanism 10, a guiding mechanism 20, a transmission mechanism 30 and a clamping arm 50;

[0047] The clamping arms 50 are symmetrically arranged at intervals on the bottom of the driving mechanism 10 and can move horizontally to the left or the right simultaneously, so as to tighten or loosen the steel ring.

[0048] The guide mechanism 20 is fixedly disposed at one end of the driving mechanism 10 away from the clamping arm 50, and is used for guiding the clamping arm 50 during its movement;

[0049] The transmission mechanism 30 is used to achieve simultaneous clamping or loosening of the clamping arms 50;

[0050] The driving mechanism 10 is used to drive the clamping arm 50 to move left and right in the horizontal direction.

[0051] The driving mechanism 10 includes a first moving frame 11 and a second moving frame 12 and an intermediate supporting plate 13 which are arranged at intervals on the left and right sides in the horizontal direction;

[0052] The first moving frame 11 and the second moving frame 12 can be simultaneously moved leftward and rightward in the horizontal direction toward or away from each other and are arranged on the middle supporting plate 13;

[0053] A driving cylinder 16 is horizontally arranged in the first moving frame 11 and the second moving frame 12;

[0054] The bottom surface of the cylinder body of the driving cylinder 16 is provided with a slider that can move horizontally along the cylinder body and is fixedly connected to the first moving frame 11 and the second moving frame 12 respectively; used for the movement of the first moving frame 11 and the second moving frame 12 along the cylinder body of the driving cylinder 16;

[0055] The telescopic end of the driving cylinder 16 is fixedly connected to the second moving frame 12 .

[0056] like Figure 1 and Figure 3 As shown, the guide mechanism 20 includes linear guide rails 21 fixedly arranged on the two sides of the middle support plate 13 and three groups of sliders 22, left, middle and right, which can slide along the linear guide rails 21;

[0057] The left sliding block 22 is fixedly connected to an end of the first moving frame 11 away from the clamping arm 50;

[0058] The right side slider 22 is fixedly connected to one end of the second moving frame 12 away from the clamping arm 50;

[0059] The middle slider 22 is fixedly connected to the first middle slider mounting plate 14 and the second middle slider mounting plate 15 respectively.

[0060] like Figure 4 As shown, the transmission mechanism 30 is a synchronous gripping gear rack mechanism, which is arranged on the upper part of the middle support plate 13, and includes a first rack 31 and a second rack 32 which are horizontally movably arranged in front of and behind the middle support plate 13;

[0061] A transmission gear 33 is meshed between the first rack 31 and the second rack 32, and is used to drive the first rack 31 and the second rack 32 to move toward or away from each other at the same time;

[0062] The transmission gear 33 is rotatably disposed on the middle support plate 13;

[0063] The first rack 31 is fixedly connected to the first moving frame 11 and the first intermediate slider mounting plate 14 respectively;

[0064] The second rack 32 is fixed to the second moving frame 12 and the second intermediate slider mounting plate 15. The first intermediate slider mounting plate 14 and the second intermediate slider mounting plate 15 are disposed between the first moving frame 11 and the second moving frame 12 and close to the transmission gear 33;

[0065] The first intermediate slider mounting plate 14 is movably disposed in front of the intermediate support plate 13;

[0066] The second intermediate slider mounting plate 15 is movably disposed behind the intermediate support plate 13 .

[0067] The provision of the first intermediate slider mounting plate 14 and the second intermediate slider mounting plate 15 improves the stability of the rack movement, thereby improving the synchronization of the clamp arm movement.

[0068] A rotating shaft 34 is coaxially fixedly sleeved in the transmission gear 33 . A bearing seat 35 is provided at one end of the rotating shaft 34 away from the transmission gear 33 . A bearing 36 is provided between the bearing seat 35 and the rotating shaft 34 . The bearing seat 35 is fixedly disposed in the bottom plate 17 .

[0069] The bottom plate 17 is fixedly connected to the middle support plate 13 .

[0070] A robot connection flange 40 is fixedly provided on the top of the base plate 17 , and is used for fixed connection between the base plate 17 and the robot.

[0071] The clamp arm 50 is symmetrically provided with a plurality of rubber clamping blocks 52, and the rubber clamping blocks 52 are rotatably provided on the clamp arm 50 through a pin shaft 51.

[0072] Specifically, after the steel ring is in place, the telescopic end of the driving cylinder 16 contracts, and the second rack 32 is driven to move through the second moving frame 12, and the first rack 31 and the first moving frame 11 are driven to move through the transmission gear 33, so that the left and right clamping arms 50 move inward at the same time to clamp the steel ring; conversely, the telescopic end of the driving cylinder 16 extends, and the second rack 32 is driven to move through the second moving frame 12, and the first rack 31 and the first moving frame 11 are driven to move through the transmission gear 33, so that the left and right clamping arms 50 move outward at the same time to release the steel ring.

[0073] The utility model provides a steel ring side guide clamp, which has the following advantages:

[0074] 1. Compared with the linear guide rail facing the steel ring, the linear guide rail is set sideways relative to the steel ring, which increases the common force-bearing area of ​​the slider, thereby increasing the service life of the slider and also improving the accuracy of the robot's operation.

[0075] 2. By changing the installation position of the linear slide rail, the center of gravity of the fixture is moved closer to the robot, thereby shortening the robot's clamping center of gravity, reducing the robot's load, and improving the stability of the robot's operation.

[0076] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A steel ring side guide fixture, characterized in that: include: Driving mechanism, guiding mechanism, transmission mechanism and clamping arm; The clamping arms are symmetrically arranged at intervals on the bottom of the driving mechanism, and can move left and right simultaneously toward or away from each other in the horizontal direction, so as to clamp or loosen the steel ring; The guide mechanism is fixedly arranged at one end of the driving mechanism away from the clamping arm, and is used for guiding the clamping arm during its movement; The transmission mechanism is used to achieve simultaneous clamping or loosening of the clamping arms; The driving mechanism is used to drive the clamping arm to move left and right along the horizontal direction.

2. The steel ring side guide clamp according to claim 1, characterized in that: The driving mechanism comprises a first moving frame and a second moving frame and an intermediate supporting plate which are arranged at intervals on the left and right sides in the horizontal direction; The first movable frame and the second movable frame can be arranged on the middle support plate so as to move left and right in a horizontal direction toward or away from each other at the same time; A driving cylinder is horizontally arranged in the first moving frame and the second moving frame; The bottom surface of the driving cylinder body is provided with a sliding block which can move horizontally along the cylinder body and is fixedly connected to the first moving frame and the second moving frame respectively; and is used for the movement of the first moving frame and the second moving frame along the driving cylinder body; The telescopic end of the driving cylinder is fixedly connected to the second moving frame.

3. The steel ring side guide fixture according to claim 2, characterized in that: The guide mechanism comprises linear guide rails fixedly arranged on two side surfaces of the intermediate support plate and three groups of left, middle and right sliders that can slide along the linear guide rails; The left sliding block is fixedly connected to an end of the first movable frame away from the clamping arm; The sliding block on the right side is fixedly connected to one end of the second movable frame away from the clamping arm; The middle slider is fixedly connected to the first middle slider mounting plate and the second middle slider mounting plate respectively.

4. The steel ring side guide fixture according to claim 3, characterized in that: The transmission mechanism is a synchronous gripping gear rack mechanism, which is arranged on the upper part of the intermediate support plate and includes a first rack and a second rack which are horizontally movably arranged in front of and behind the intermediate support plate; A transmission gear is meshed between the first rack and the second rack, for driving the first rack and the second rack to move toward or away from each other simultaneously; The transmission gear is rotatably disposed on the intermediate support plate; The first rack is fixedly connected to the first moving frame and the first intermediate slider mounting plate respectively; The second rack is fixedly connected to the second moving frame and the second intermediate slider mounting plate.

5. The steel ring side guide fixture according to claim 4, characterized in that: The first intermediate slider mounting plate and the second intermediate slider mounting plate are disposed between the first moving frame and the second moving frame and are close to the second moving frame; The first intermediate slider mounting plate is movably disposed in front of the intermediate support plate, and the second intermediate slider mounting plate is movably disposed behind the intermediate support plate.

6. The steel ring side guide fixture according to claim 5, characterized in that: A rotating shaft is coaxially fixedly sleeved in the transmission gear, and a bearing seat is arranged at one end of the rotating shaft away from the transmission gear, and the bearing seat is fixedly arranged in the bottom plate.

7. The steel ring side guide fixture according to claim 6, characterized in that: The bottom plate is fixedly connected to the middle supporting plate.

8. The steel ring side guide fixture according to claim 7, characterized in that: A robot connecting flange is fixedly arranged on the top of the base plate, and is used for fixed connection between the base plate and the robot.

9. The steel ring side guide fixture according to claim 1, characterized in that: A plurality of rubber clamping blocks are symmetrically arranged on the clamping arm, and the rubber clamping blocks are rotatably arranged on the clamping arm through a pin shaft.

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