CN221185316U

CN221185316U - Hydraulic welding fixture

Info

Publication number: CN221185316U
Application number: CN202323005973.8U
Authority: CN
Inventors: 燕璞; 梁正仁; 徐建
Original assignee: XUZHOU HUAHENG ROBOT SYSTEM CO Ltd
Current assignee: XUZHOU HUAHENG ROBOT SYSTEM CO Ltd
Filing date: 2023-11-08
Publication date: 2024-06-21
Anticipated expiration: 2033-11-08

Abstract

The utility model discloses a hydraulic welding fixture, which comprises a first fixture component and a second fixture component; the first clamp component comprises a positioning support assembly, a workpiece in-situ detection device and a head carriage assembly; the positioning and supporting assembly is used for positioning and supporting the tool; the workpiece in-situ detection device is arranged on the positioning support assembly and is used for detecting the position of a workpiece; the head sliding frame assembly is arranged above the positioning support assembly and is used for pressing a hole on the tool to position and press a workpiece; the second clamp component comprises a lifting sliding frame, a tail sliding frame component and a compacting component; the lifting carriage is provided with a lifting function; the tail sliding frame assembly is arranged on the lifting sliding frame to realize centering and clamping of the tail of the workpiece; the pressing component is arranged on the tail sliding frame component, so that the tail of the workpiece is clamped up and down. The automatic clamping device can realize automatic clamping of the tool after the tool is placed on the equipment; in the whole production process, manual feeding and discharging are not needed.

Description

Hydraulic welding fixture

Technical Field

The utility model relates to a hydraulic welding fixture, and belongs to the technical field of welding fixtures.

Background

The welding fixture is used for accurately positioning and reliably clamping the weldment, and is convenient for welding the weldment. The common fixture has the defects of manual adjustment, low adaptability and the like.

Disclosure of Invention

According to the defects of the prior art, the utility model provides a hydraulic welding fixture clamp which is used for positioning and clamping a fixture hole and automatically centering and clamping the fixture.

The utility model is realized according to the following technical scheme:

a hydraulic welding fixture comprises a first fixture component and a second fixture component; the first clamp component comprises a positioning support assembly, a workpiece in-situ detection device and a head carriage assembly; the positioning and supporting assembly is used for positioning and supporting the tool; the workpiece in-situ detection device is arranged on the positioning support assembly and is used for detecting the position of a workpiece; the head sliding frame assembly is arranged above the positioning support assembly and is used for pressing a hole on the tool to position and press a workpiece; the second clamp component comprises a lifting sliding frame, a tail sliding frame component and a compacting component; the lifting carriage is provided with a lifting function; the tail sliding frame assembly is arranged on the lifting sliding frame to realize centering and clamping of the tail of the workpiece; the pressing component is arranged on the tail sliding frame component, so that the tail of the workpiece is clamped up and down.

In some embodiments, the head carriage assembly comprises:

A mounting frame;

the taper sleeve bracket is slidably arranged on the mounting frame;

the taper pin is arranged on the taper sleeve bracket and used for pressing a hole on the tool;

The hydraulic motor and the screw rod are all installed on the installation frame, the taper sleeve support is connected with the screw rod, and the screw rod is driven to rotate through the hydraulic motor so as to drive the taper sleeve support to move up and down.

In some embodiments, the positioning support assembly comprises:

The cross section of the bracket is a triangular surface and is used for supporting a workpiece;

And the positioning shaft is arranged on the bracket and matched with the positioning hole on the workpiece to realize the positioning of the workpiece.

In some embodiments, the workpiece in-place detection device is a proximity switch, the proximity switch transmits a detected workpiece in-place signal to a controller, and the controller receives the signal and controls the head carriage assembly to move downwards to compress the workpiece.

In some embodiments, the lifting carriage comprises:

A mounting frame;

the lifting plate is slidably arranged on the mounting frame and used for assembling the tail frame sliding frame assembly;

The screw rod is rotatably supported on the mounting frame and is in threaded connection with the lifting plate;

The planetary reducer and the servo motor are connected with the screw rod through the planetary reducer, and the servo motor drives the screw rod to rotate so as to drive the lifting plate to move up and down.

In some embodiments, the tail carriage assembly comprises:

A mounting frame;

the bidirectional screw rod is rotatably supported on the mounting frame;

The clamping brackets are arranged at two ends of the bidirectional screw rod and drive the clamping brackets at two sides to move oppositely or reversely through the bidirectional screw rod;

And the hydraulic motor is arranged on one side of the mounting frame and connected with the bidirectional screw rod, and the bidirectional screw rod is driven to rotate by the hydraulic motor.

In some embodiments, the mounting bracket is provided with an absolute encoder at the end opposite the hydraulic motor for achieving any position stop of the clamping bracket.

In some embodiments, a wear plate is mounted on the side of the clamping bracket that contacts the workpiece.

In some embodiments, the compression assembly comprises:

the mounting rack is used for being connected with the tail rack sliding frame assembly;

the two supporting seats are respectively arranged at two sides of the bottom of the mounting frame;

the oil cylinder box is fixed on the mounting frame above the two supporting seats;

The pressing plate assembly consists of a pressing plate, a floating joint fixed in the middle of the top surface of the pressing plate and two guide rods symmetrically fixed on two sides of the top surface of the pressing plate, the two guide rods are inserted into an oil cylinder box, and a piston rod in the oil cylinder box is connected with the floating joint;

The two jacks are respectively arranged on two sides of the bottom surface of the pressing plate, the pressing plate is driven to lift through the expansion and contraction of the piston rod, and then the two jacks are driven to lift, and the two jacks are matched with the two supporting seats to clamp the tail part of the workpiece.

In some embodiments, a hydraulic lock is configured on the cylinder box for keeping a pressing position of the hydraulic lock on the workpiece still.

The utility model has the beneficial effects that:

1. The automatic clamping of the tool can be realized after the tool is placed on the equipment;

2. The hydraulic lock assembly drives the piston rod to compress the tool, so that the tool can adapt to tools with different heights;

3. In the whole production process, manual feeding and discharging are not needed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a perspective view of a first clamp member of the present utility model;

FIG. 2 is a three-view (a is a front view, b is a side view, and c is a top view) of a first clamp member of the present utility model;

the attached drawings are identified: 1. the head carriage assembly 2, the positioning support assembly 3 and the workpiece in-situ detection device.

FIG. 3 is a front view of the head carriage assembly of the present utility model (a being a front view and b being a rear view);

The attached drawings are identified: 1-1 parts of taper pin, 1-2 parts of taper sleeve bracket, 1-3 parts of hydraulic motor, 1-4 parts of screw rod.

FIG. 4 is a schematic view of a positioning support assembly according to the present utility model;

The attached drawings are identified: 2-1 parts of positioning shaft, 2-2 parts of bracket.

FIG. 5 is a perspective view of a second clamp member of the present utility model;

FIG. 6 is a third view of a second clamp member of the present utility model (a being a front view, b being a side view, c being a top view);

the attached drawings are identified: 4. lifting sliding frame, 5, afterbody sliding frame subassembly, 6, compress tightly the subassembly.

FIG. 7 is a schematic view of a lifting carriage of the present utility model;

the attached drawings are identified: 4-1 parts of lifting plate, 4-2 parts of planetary reducer, 4-3 parts of servo motor, 4-4 parts of screw rod.

FIG. 8 is a rear carriage assembly of the present utility model in two views (a being a front view and b being a rear view);

The attached drawings are identified: 5-1 parts of wear-resistant plates, 5-2 parts of clamping supports, 5-3 parts of hydraulic motors, 5-4 parts of absolute value encoders, 5-5 parts of bidirectional screws.

FIG. 9 is a two-view (a is a front view and b is a side view) of the compression assembly of the present utility model;

The attached drawings are identified: 6-1 parts of hydraulic lock, 6-2 parts of piston rod, 6-3 parts of plug, 6-4 parts of supporting seat, 6-5 parts of floating joint.

FIG. 10 is a perspective view of a hydraulic welding fixture application of the present utility model;

FIG. 11 is a front view of an application of the hydraulic welding fixture of the present utility model;

The attached drawings are identified: 1. the device comprises a head carriage assembly 2, a positioning support assembly 4, a lifting carriage 5, a tail carriage assembly 6, a pressing assembly 7 and a workpiece.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2, 5, 6, 10 and 11, a hydraulic welding fixture comprises a first fixture component and a second fixture component; the first clamp component comprises a positioning support assembly 2, a workpiece in-situ detection device 3 and a head carriage assembly 1; the positioning and supporting assembly 2 is used for positioning and supporting the tool; the workpiece in-situ detection device 3 is arranged on the positioning support assembly 2 and is used for detecting the position of a workpiece; the head carriage assembly 1 is arranged above the positioning support assembly 2 and is used for pressing a hole on the tool to position and press the workpiece 7; the second clamp component comprises a lifting carriage 4, a tail carriage assembly 5 and a compacting assembly 6; the lifting carriage 4 is provided with a lifting function; the tail carriage assembly 5 is arranged on the lifting carriage 4 to realize centering and clamping of the tail of the workpiece 7; the compressing assembly 6 is arranged on the tail sliding frame assembly 5, and the tail of the workpiece 7 is clamped up and down.

A preferred embodiment of the above embodiment with respect to the head carriage assembly is given below:

As shown in fig. 3, the head carriage assembly 1 comprises a mounting frame, a taper sleeve bracket 1-2, a taper pin 1-1, a hydraulic motor 1-3 and a screw 1-4; the taper sleeve bracket 1-2 is slidably arranged on the mounting frame; the taper pin 1-1 is arranged on the taper sleeve bracket 1-2 and is used for pressing a hole on the tool; the hydraulic motor 1-3 and the screw 1-4 are both arranged on the mounting frame, the taper sleeve bracket 1-2 is connected with the screw 1-4, and the screw 1-4 is driven to rotate by the hydraulic motor 1-3 so as to drive the taper sleeve bracket 1-2 to move up and down.

A preferred embodiment of the above embodiment with respect to the positioning support assembly is given below:

As shown in fig. 4, the positioning support assembly 2 includes a bracket 2-2 and a positioning shaft 2-1; the section of the bracket 2-2 is a triangular surface and is used for supporting a workpiece; the positioning shaft 2-1 is arranged on the bracket 2-2 and matched with a positioning hole on the workpiece to realize the positioning of the workpiece.

A preferred embodiment of the workpiece in-situ detection device according to the above embodiment is given below:

The workpiece in-place detection device 3 is a proximity switch, the proximity switch transmits a detected workpiece in-place signal to the controller, and the controller receives the signal and then controls the head carriage assembly 1 to move downwards to compress the workpiece.

A preferred embodiment of the above embodiment with respect to the lifting carriage is given below:

As shown in fig. 7, the lifting carriage 4 comprises a mounting frame, a lifting plate 4-1, a screw 4-4, a planetary reducer 4-2 and a servo motor 4-3; the lifting plate 4-1 is slidably arranged on the mounting frame and is used for assembling the tail bracket sliding frame assembly 5; the screw 4-4 is rotatably supported on the mounting frame and is in threaded connection with the lifting plate 4-1; the servo motor 4-3 is connected with the screw 4-4 through the planetary reducer 4-2, and the screw 4-4 is driven to rotate through the servo motor 4-3, so that the lifting plate 4-1 is driven to move up and down.

A preferred embodiment of the above embodiment with respect to the trailing carriage assembly is given below:

As shown in fig. 8, the tail carriage assembly 5 includes a mounting bracket, a bi-directional screw 5-5, a pair of clamp brackets 5-2 opposed to each other, and a hydraulic motor 5-3; the bidirectional screw 5-5 is rotatably supported on the mounting frame; a pair of clamping brackets 5-2 which are opposite to each other are arranged at two ends of the bidirectional screw 5-5, and the clamping brackets 5-2 at two sides are driven to move oppositely or reversely through the bidirectional screw 5-5; the hydraulic motor 5-3 is arranged on one side of the mounting frame and is connected with the bidirectional screw 5-5, and the bidirectional screw 5-5 is driven to rotate by the hydraulic motor 5-3.

The further scheme is as follows: the mounting frame is provided with an absolute value encoder 5-4 at the end opposite to the hydraulic motor 5-3 for stopping the clamping bracket 5-2 at any position.

The further scheme is as follows: the wear-resistant plate 5-1 is mounted on the side of the clamping bracket 5-2 which contacts the workpiece.

A preferred embodiment of the above embodiment with respect to the hold down assembly is given below:

As shown in fig. 9, the compressing assembly 6 comprises a mounting frame, two supporting seats 6-4, an oil cylinder box, a pressing plate assembly and two jacks 6-3; the mounting frame is used for being connected with the tail frame sliding frame assembly 5; the two supporting seats 6-4 are respectively arranged at two sides of the bottom of the mounting frame; the oil cylinder box is fixed on a mounting frame positioned above the two supporting seats 6-4; the pressing plate assembly consists of a pressing plate, a floating joint 6-5 fixed in the middle of the top surface of the pressing plate and two guide rods symmetrically fixed on two sides of the top surface of the pressing plate, the two guide rods are inserted into an oil cylinder box, and a piston rod 6-2 in the oil cylinder box is connected with the floating joint 6-5; the two plugs 6-3 are respectively arranged on two sides of the bottom surface of the pressing plate, the pressing plate is driven to lift by the expansion and contraction of the piston rod 6-2, and then the two plugs 6-3 are driven to lift, and the two plugs 6-3 are matched with the two supporting seats 6-4 to clamp the tail part of the workpiece.

The further scheme is as follows: the cylinder box is provided with a hydraulic lock 6-1 for keeping the pressing position of the hydraulic lock on the workpiece still.

The working process is as follows:

1. When the workpiece is fed, the head and tail frames move in opposite directions, the RGV trolley enters between the position changing machines, the position changing machines move to the trolley at two sides of the workpiece to lift the workpiece to a specified position;

2. after the workpiece is detected by the workpiece in-situ detection device, the headstock carriage assembly moves the taper pin to downwards press the hole on the tool so as to position and press the workpiece;

3. the tail frame sliding frame component drives clamping brackets at two sides to move in opposite directions by a hydraulic motor so as to realize centering and clamping of the tail part of a workpiece;

4. The hydraulic lock assembly drives the piston rod to move up and down to realize up and down clamping of the tail part of the workpiece;

5. The lifting carriage can drive the tailstock carriage assembly and the pressing assembly to move up and down to perform centering clamping and up and down clamping on tailstocks of workpieces with different heights, clamping of a welding tool is completed, and then the robot starts welding;

6. And after the workpiece is welded, calling the RGV trolley to the lower part of the tool, lifting the trolley to prop against the tool, pressing and lifting the headstock carriage assembly, centering and clamping the tailstock carriage assembly to open, opening the pressing assembly up and down, and returning the trolley in the original path.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present utility model.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims

1. The utility model provides a hydraulic pressure welding frock clamp which characterized in that includes:

A first clamp member comprising:

The positioning support assembly is used for positioning and supporting the tool;

The workpiece in-situ detection device is arranged on the positioning support assembly and is used for detecting the position of a workpiece;

the head sliding frame assembly is arranged above the positioning support assembly and is used for pressing a hole on the tool to position and press a workpiece;

A second clamp member comprising:

A lifting carriage configured with a lifting function;

The tail sliding frame assembly is arranged on the lifting sliding frame and is used for centering and clamping the tail of the workpiece;

And the compaction assembly is arranged on the tail sliding frame assembly and is used for realizing up-and-down clamping of the tail of the workpiece.

2. The hydraulic welding jig of claim 1 wherein the head carriage assembly comprises:

A mounting frame;

the taper sleeve bracket is slidably arranged on the mounting frame;

3. The hydraulic welding fixture of claim 1, wherein the positioning support assembly comprises:

4. The hydraulic welding fixture of claim 1, wherein:

the workpiece in-place detection device is a proximity switch, the proximity switch transmits a detected workpiece in-place signal to the controller, and the controller receives the signal and then controls the head sliding frame assembly to move downwards to compress the workpiece.

5. The hydraulic welding fixture of claim 1, wherein the lifting carriage comprises:

A mounting frame;

6. The hydraulic weld work fixture of claim 1, wherein the tail carriage assembly comprises:

A mounting frame;

the bidirectional screw rod is rotatably supported on the mounting frame;

7. The hydraulic welding fixture of claim 6, wherein:

And the mounting frame is provided with an absolute value encoder at one end opposite to the hydraulic motor and used for stopping the clamping bracket at any position.

8. The hydraulic welding fixture of claim 6, wherein:

And a wear-resistant plate is arranged on the surface of the clamping bracket, which is contacted with the workpiece.

9. The hydraulic welding fixture of claim 1, wherein the hold down assembly comprises:

10. The hydraulic welding fixture of claim 9, wherein:

The hydraulic lock is arranged on the oil cylinder box and used for keeping the pressing position of the hydraulic lock on the workpiece still.