Double-station rotary clamp for machining portal

Abstract

The utility model discloses a double-station rotary fixture for machining a portal, which relates to the technical field of machining and comprises a base, two horizontally adjacent through holes are formed in the base, and rotating mechanisms are arranged in the through holes; the rotating mechanism comprises a rotating cylinder body matched with the through hole in shape, the rotating cylinder body is rotatably installed in the through hole through a bearing, and the two ends of the rotating cylinder body extend out of the through hole and then are connected with the annular disc. A clamping mechanism used for clamping a workpiece is arranged on the outer side face of the annular disc. The base is provided with a driving mechanism used for driving the rotating mechanism to rotate. The gantry channel steel rotating device can be suitable for gantry channel steel with long length, can drive the gantry channel steel to rotate by 360 degrees, and meets different machining angles.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a double-station rotary clamp for processing a door frame. Background Art

[0002] When processing the portal frame in the prior art, the portal frame channel steel needs to be positioned so as to carry out subsequent processing operations. However, since the portal frame channel steel is long and needs to be processed at multiple angles, the existing positioning mechanism cannot meet the above requirements. Utility Model Content

[0003] In view of the defects existing in the prior art, the purpose of the utility model is to provide a double-station rotary clamp for processing a portal frame, which can be suitable for portal frame channel steels with longer lengths and can drive them to rotate 360 ​​degrees to meet different processing angles.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a double-station rotary clamp for processing a gantry, comprising a base, the base is provided with two horizontally adjacent through holes, a rotating mechanism is arranged in the through hole; the rotating mechanism comprises a rotating cylinder body adapted to the shape of the through hole, the rotating cylinder body is rotatably installed in the through hole through a bearing, and the two ends of the rotating cylinder body are respectively extended from the through hole and connected to an annular disk; a clamping mechanism for clamping a workpiece is arranged on the outer side of the annular disk; the base is provided with a driving mechanism for driving the rotating mechanism to rotate.

[0005] A further improvement is that a detection switch is provided on the inner side wall of the through hole.

[0006] A further improvement is that the clamping mechanism comprises a first hydraulic clamp and a second hydraulic clamp which are arranged opposite to each other up and down.

[0007] Further improvements are: the first hydraulic clamp is located directly below the workpiece, and includes a support seat, a first hydraulic cylinder, and a first slide and a second slide arranged opposite to each other; the support seat is fixedly connected to the annular disc, and the top surface of the support seat is used to support the bottom of the workpiece; a slide groove is provided on the top surface of the support seat; the first slide and the second slide are respectively slidably arranged in the slide groove; the first hydraulic cylinder is installed on the support seat to drive the first slide and the second slide to slide, thereby respectively supporting the left and right sides of the workpiece.

[0008] A further improvement is that the first slide seat is in a rectangular parallelepiped shape, and a side of the first slide seat opposite to the workpiece is a supporting surface.

[0009] A further improvement is that a supporting block is provided on the side of the second slide seat opposite to the workpiece.

[0010] A further improvement is that the second hydraulic clamp is located directly above the workpiece and comprises a second hydraulic cylinder, the piston rod of which is connected to a pressing block for pressing the top of the workpiece.

[0011] A further improvement is that: the driving mechanism includes a worm wheel, a worm and a motor; the worm wheel is fixedly arranged on the outside of the rotating cylinder; the worm is meshed with the worm wheel; and the motor is connected to the worm to drive the worm to rotate.

[0012] A further improvement is that: a worm is provided at the bottom of each of the two rotating drums, and the two worms are connected via a coupling; and one of the worms is connected to the output shaft of the motor.

[0013] A further improvement is that a lubricating oil pool is provided inside the base at a position opposite to the worm.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model can be applied to portal channel steel with a longer length, and can drive it to rotate 360 ​​degrees to meet different processing angles.

[0016] 2. In the utility model, a double-station design is adopted, and the symmetrical characteristics of the portal frame channel steel can be processed simultaneously, thereby improving work efficiency.

[0017] 3. In the utility model, the clamping mechanism realizes accurate clamping and positioning of the portal frame channel steel through the cooperation of the first hydraulic clamp and the second hydraulic clamp.

[0018] 4. In the present invention, the motor is used in conjunction with the worm gear structure to control the rotation angle of the rotating mechanism, with hydraulic precision positioning and locking every 90°. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a double-station rotary fixture for machining a door frame in an embodiment of the utility model;

[0020] Figure 2 This is a front view of a double-station rotary fixture for machining a door frame in an embodiment of the utility model;

[0021] Figure 3 for Figure 2 A cross-sectional view of

[0022] Figure 4 It is a side view of a double-station rotary fixture for machining a door frame in an embodiment of the utility model;

[0023] Figure 5 for Figure 4 A cross-sectional view of

[0024] Figure 6It is an enlarged schematic diagram of the clamping mechanism in the embodiment of the utility model.

[0025] Reference numerals:

[0026] 1-base; 11-through hole; 12-detection switch;

[0027] 2-rotating mechanism; 21-rotating cylinder; 22-bearing; 23-annular disc;

[0028] 3-driving mechanism; 31-motor; 32-worm; 33-coupling; 34-worm wheel;

[0029] 4-clamping mechanism; 41-first hydraulic clamp; 411-support seat; 412-slide groove; 413-first slide seat; 414-second slide seat; 415-holding block; 416-first hydraulic cylinder; 42-second hydraulic clamp; 421-second hydraulic cylinder; 422-down pressure block. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0031] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0033] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0034] See also Figure 1 to Figure 5 As shown, the embodiment of the utility model provides a double-station rotary fixture for machining a gantry, including a base 1, the base 1 is provided with two horizontally adjacent through holes 11, and a rotating mechanism 2 is arranged in the through hole 11; the rotating mechanism 2 includes a rotating cylinder body 21 adapted to the shape of the through hole 11, the rotating cylinder body 21 is rotatably installed in the through hole 11 through a bearing 22, and the two ends of the rotating cylinder body 21 extend from the through hole 11 and are connected to an annular disc 23; a clamping mechanism 4 for clamping a workpiece is arranged on the outer side of the annular disc 23; the base 1 is provided with a driving mechanism 3 for driving the rotating mechanism 2 to rotate. Specifically, a detection switch 12 is arranged on the inner side wall of the through hole 11.

[0035] See also Figure 2 , Figure 4 and 6 As shown, the clamping mechanism 4 includes a first hydraulic clamp 41 and a second hydraulic clamp 42 which are arranged opposite to each other up and down. Specifically, the first hydraulic clamp 41 is located directly below the workpiece, and includes a support seat 411, a first hydraulic cylinder 416, and a first slide seat 413 and a second slide seat 414 which are arranged opposite to each other; the support seat 411 is fixedly connected to the annular disc 23, and the top surface of the support seat 411 is used to support the bottom of the workpiece; a slide groove 412 is provided on the top surface of the support seat 411; the first slide seat 413 and the second slide seat 414 are respectively slidably arranged in the slide groove 412; the first hydraulic cylinder 416 is installed on the support seat 411 to drive the first slide seat 413 and the second slide seat 414 to slide, thereby respectively abutting the left and right sides of the workpiece. The first slide seat 413 is in the shape of a rectangular parallelepiped, and the side of the first slide seat 413 opposite to the workpiece is the abutting surface. The side of the second slide seat 414 opposite to the workpiece is provided with an abutting block 415. The second hydraulic clamp 42 is located directly above the workpiece, and includes a second hydraulic cylinder 421 . The piston rod of the second hydraulic cylinder 421 is connected to a pressing block 422 for pressing the top of the workpiece.

[0036] See also Figure 3 and 5 As shown, the driving mechanism 3 includes a worm wheel 34, a worm 32 and a motor 31; the worm wheel 34 is fixedly arranged on the outside of the rotating drum body 21; the worm 32 is meshed with the worm wheel 34; the motor 31 is connected to the worm 32 to drive the worm 32 to rotate. Specifically, the bottoms of the two rotating drum bodies 21 are respectively provided with worms 32, and the two worms 32 are connected through a coupling 33; one of the worms 32 is connected to the output shaft of the motor 31. A lubricating oil pool is provided at a position opposite to the worm 32 inside the base 1.

[0037] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0038] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A double-station rotary fixture for machining a gantry, comprising a base (1), characterized in that: The base (1) is provided with two horizontally adjacent through holes (11), and a rotating mechanism (2) is arranged in the through hole (11); the rotating mechanism (2) comprises a rotating cylinder (21) whose shape matches that of the through hole (11), and the rotating cylinder (21) is rotatably mounted in the through hole (11) via a bearing (22), and two ends of the rotating cylinder (21) extend out of the through hole (11) and are connected to an annular disc (23); a clamping mechanism (4) for clamping a workpiece is arranged on the outer side surface of the annular disc (23); and the base (1) is provided with a driving mechanism (3) for driving the rotating mechanism (2) to rotate.

2. The double-station rotary fixture for machining a gantry according to claim 1, characterized in that: A detection switch (12) is provided on the inner side wall of the through hole (11).

3. The double-station rotary fixture for machining a gantry according to claim 1, characterized in that: The clamping mechanism (4) comprises a first hydraulic clamp (41) and a second hydraulic clamp (42) which are arranged opposite to each other up and down.

4. The double-station rotary fixture for machining a gantry according to claim 3, characterized in that: The first hydraulic clamp (41) is located directly below the workpiece, and comprises a support seat (411), a first hydraulic cylinder (416), and a first slide seat (413) and a second slide seat (414) arranged opposite to each other; the support seat (411) is fixedly connected to the annular disc (23), and the top surface of the support seat (411) is used to support the bottom of the workpiece; a slide groove (412) is arranged on the top surface of the support seat (411); the first slide seat (413) and the second slide seat (414) are respectively slidably arranged in the slide groove (412); the first hydraulic cylinder (416) is installed on the support seat (411) to drive the first slide seat (413) and the second slide seat (414) to slide, thereby respectively holding the left and right sides of the workpiece.

5. The double-station rotary fixture for machining a gantry according to claim 4, characterized in that: The first slide seat (413) is in the shape of a rectangular parallelepiped, and a side of the first slide seat (413) opposite to the workpiece is a supporting surface.

6. The double-station rotary fixture for machining a gantry according to claim 4, characterized in that: A supporting block (415) is provided on the side of the second slide seat (414) opposite to the workpiece.

7. The double-station rotary fixture for machining a gantry according to claim 3, characterized in that: The second hydraulic clamp (42) is located directly above the workpiece and comprises a second hydraulic cylinder (421), wherein the piston rod of the second hydraulic cylinder (421) is connected to a pressing block (422) for pressing the top of the workpiece.

8. The double-station rotary fixture for machining a gantry according to claim 1, characterized in that: The driving mechanism (3) comprises a worm wheel (34), a worm (32) and a motor (31); the worm wheel (34) is fixedly arranged on the outside of the rotating drum body (21); the worm (32) is meshed with the worm wheel (34); and the motor (31) is connected to the worm (32) for driving the worm (32) to rotate.

9. The double-station rotary fixture for machining a gantry according to claim 8, characterized in that: A worm (32) is respectively arranged at the bottom of the two rotating drum bodies (21), and the two worms (32) are connected via a coupling (33); one of the worms (32) is connected to the output shaft of the motor (31).

10. The double-station rotary fixture for machining a gantry according to claim 8, characterized in that: A lubricating oil pool is provided inside the base (1) at a position opposite to the worm (32).

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