Nitrogen balance pressure compensation stabilizing device of numerical control planer type milling machine

Abstract

The utility model relates to the technical field of numerical control planer type milling machines, in particular to a nitrogen balance pressure compensation stabilizing device of a numerical control planer type milling machine, which comprises a portal frame, the portal frame consists of two upright posts and a top beam, the two upright posts are bilaterally symmetrical, and a cross beam component is slidably connected between the upright posts. A first hydraulic cylinder is installed on the main shaft assembly, two second hydraulic cylinders are installed on the top beam, the telescopic ends of the second hydraulic cylinders are connected with the cross beam assembly, and first nitrogen balance assemblies are installed on the outer sides of the stand columns. According to the gravity compensation device, external power equipment is not needed, nitrogen hydraulic pressure is combined under the action of a traditional power mode, automatic gravity compensation conversion is completed in the specific using process, the device runs more stably, efficiently and accurately, generated noise is reduced, meanwhile, a nitrogen cylinder which is prone to being lost is shielded and protected, and the service life of the nitrogen cylinder is prolonged. And the protection effect on the hydraulic pipe is enhanced, the use safety of the device is further improved, and the service life of the device is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control planer type milling machine technical field especially relates to a numerical control planer type milling machine nitrogen balance pressure compensation stabilizing device. BACKGROUND

[0002] The door-shaped bed body of numerical control planer type milling machine is mainly composed of a column and a top beam, the cross beam moves up and down along the column, the slide plate slides left and right on the cross beam, and the milling machine spindle box moves up and down on the slide plate.

[0003] The patent publication No. CN201871792U discloses a numerical control planer type milling machine nitrogen balance system, which comprises a W-axis and a Z-axis balance system, the W-axis balance system comprises a W-axis balance oil cylinder and a W-axis nitrogen cylinder fixed on the bed body, and the W-axis piston rod is fixed on the cross beam; the Z-axis balance system comprises a Z-axis balance oil cylinder installed on the slide plate and a Z-axis nitrogen cylinder fixed on the bed body, and the Z-axis piston rod is fixed on the milling machine spindle box, which enhances the stability and accuracy in the prior art, but the exposed nitrogen cylinder is extremely easy to be damaged in daily use, and the exposed hydraulic pipe is also easy to cause use problems and reduce the service life.

[0004] Therefore, aiming at the above problems, a numerical control planer type milling machine nitrogen balance pressure compensation stabilizing device is developed. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects that the exposed nitrogen cylinder is extremely easy to be damaged in daily use, and the exposed hydraulic pipe is also easy to cause use problems and reduce the service life, the utility model provides a numerical control planer type milling machine nitrogen balance pressure compensation stabilizing device.

[0006] The technical implementation scheme of the utility model is: a numerical control planer type milling machine nitrogen balance pressure compensation stabilizing device, which comprises a portal frame, the portal frame is composed of two columns and a top beam which are symmetrical to left and right, a cross beam assembly is slidably connected between the columns, a main shaft assembly is slidably arranged on the cross beam assembly, a first kind of hydraulic cylinder is installed on the main shaft assembly, two second kind of hydraulic cylinders are installed on the top beam, the second kind of hydraulic cylinders are connected with the cross beam assembly through the telescopic ends, a first kind of nitrogen balance assembly is installed on the outer side of each column, a second kind of nitrogen balance assembly is installed at the middle position of the inside of the top beam, a protection mechanism is arranged on each column, and the protection mechanism is used for shielding and protecting the first kind of nitrogen balance assembly.

[0007] As the improvement of the above-mentioned scheme, the protection mechanism comprises mounting frames, the mounting frames are mounted on the outer sides of the columns, clamping frames are rotatably connected to the mounting frames, the first nitrogen gas bottles in the first nitrogen gas balancing assembly are located in the corresponding mounting frames, the top beams are provided with front and rear symmetrical sliding rails on the upper sides of the left and right parts, and protection pieces are slidably arranged between the front and rear adjacent sliding rails and used for protecting weak positions of the pipelines.

[0008] As the improvement of the above-mentioned scheme, the protection mechanism comprises mounting frames, the mounting frames are mounted on the outer sides of the columns, clamping frames are rotatably connected to the mounting frames, the first nitrogen gas bottles in the first nitrogen gas balancing assembly are located in the corresponding mounting frames, the top beams are provided with front and rear symmetrical sliding rails on the upper sides of the left and right parts, and protection pieces are slidably arranged between the front and rear adjacent sliding rails and used for protecting weak positions of the pipelines.

[0009] As the improvement of the above-mentioned scheme, the first nitrogen gas balancing assembly comprises first nitrogen gas bottles fixedly mounted on the columns, hydraulic ball valves and pressure gauges mounted at the bottle mouths of the first nitrogen gas bottles, and hydraulic rubber tubes connected between the hydraulic ball valves and the adjacent second hydraulic cylinders.

[0010] As the improvement of the above-mentioned scheme, the second nitrogen gas balancing assembly comprises second nitrogen gas bottles mounted in the top beams, corresponding hydraulic ball valves and pressure gauges mounted at the bottle mouths of the second nitrogen gas bottles, and hydraulic rubber tubes connected between the hydraulic ball valves and the first hydraulic cylinders.

[0011] By adopting the above technical scheme, the beneficial effects of the present application are as follows:

[0012] The present application does not need external power equipment, and combines nitrogen gas hydraulic pressure under the action of the traditional power mode, so that the automatic gravity compensation conversion is completed in the specific use process, the device runs more stably, efficiently and accurately, the noise generated is reduced, the nitrogen gas bottles prone to damage are shielded and protected, the protection effect of the hydraulic pipe is enhanced, the safety of the device use is further improved, and the service life of the device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the present application.

[0014] Figure 2 It is a part of the three-dimensional structure schematic view of the present application.

[0015] Figure 3 It is a three-dimensional structure schematic view of the cooling mechanism of the present application.

[0016] Figure 4 It is a first three-dimensional structure schematic view of the stability mechanism of the present application.

[0017] Figure 5 It is the second kind of three-dimensional structure schematic view of the stabilizing mechanism.

[0018] 1: portal frame, 2: cross beam assembly, 3: main shaft assembly, 4: first kind of hydraulic cylinder, 5: second kind of hydraulic cylinder, 6: first kind of nitrogen balance assembly, 7: second kind of nitrogen balance assembly, 8: protection mechanism, 81: mounting frame, 82: clamping frame, 83: sliding guide rail, 84: protection piece, 9: stabilizing mechanism, 91: connecting block, 92: fixing seat, 93: stabilizing hydraulic cylinder. DETAILED DESCRIPTION

[0019] The technical solutions will be further described below in combination with specific embodiments, and it should be noted that: the words indicating directions such as up, down, left and right in this article are only for the positions of the shown structures in the corresponding drawings. The serial numbers of the components in this article, such as first, second, etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. Unless otherwise specified, the connection (coupling) in this application includes direct and indirect connection (coupling).

[0020] A nitrogen balance pressure compensation stabilizing device for numerical control gantry milling machine, like Figures 1-5As shown, including gantry 1, gantry 1 is composed of two symmetrical columns and roof beam, slidingly connected between the column beam assembly 2, beam assembly 2 is provided with a sliding type main shaft assembly 3, the main shaft assembly 3 is installed with the first kind of hydraulic cylinder 4, the roof beam is provided with two second kind of hydraulic cylinder 5, the second kind of hydraulic cylinder 5 telescopic end and beam assembly 2 is connected, the column outside is provided with the first kind of nitrogen balance assembly 6, the first kind of nitrogen balance assembly 6 includes the first kind of nitrogen bottle fixedly installed on the column, the first kind of nitrogen bottle mouth is provided with hydraulic ball valve and pressure gauge, the hydraulic ball valve and the adjacent second kind of hydraulic cylinder 5 is connected with hydraulic hose, the roof beam inside the middle position is provided with the second kind of nitrogen balance assembly 7, the second kind of nitrogen balance assembly 7 includes the second kind of nitrogen bottle installed in the roof beam, the second kind of nitrogen bottle mouth is also provided with corresponding hydraulic ball valve and pressure gauge, the hydraulic ball valve and the first kind of hydraulic cylinder 4 is connected with hydraulic hose, the column is provided with protection mechanism 8, protection mechanism 8 is used for shielding protection to the first kind of nitrogen balance assembly 6, protection mechanism 8 includes installation frame 81, the column outside is provided with installation frame 81, the installation frame 81 is rotatably connected with the clamping frame 82, the first nitrogen balance assembly in the first kind of nitrogen bottle is located in the corresponding installation frame 81, the roof beam left and right two sides are connected with front and back symmetrical sliding guide 83, the front and back adjacent sliding guide 83 is provided with protection piece 84, the protection piece 84 is used for protecting the weak position of pipeline, further including stabilizing mechanism 9, stabilizing mechanism 9 includes connecting block 91, the main shaft assembly 3 upper left and right sides are connected with connecting block 91, the main shaft assembly 3 left and right sides are connected with fixed seat 92, the adjacent connecting block 91 and fixed seat 92 are rotatably connected with stabilizing hydraulic cylinder 93.

[0021] It should be noted that, in use, the hydraulic ball valve in the first kind of nitrogen balance assembly 6 and the second kind of nitrogen balance assembly 7 is connected with the corresponding control mechanism respectively, when the beam assembly 2 or the main shaft assembly 3 needs to move, the hydraulic oil in the first kind of nitrogen balance assembly 6 and the second kind of nitrogen balance assembly 7 is pressed into the corresponding first kind of hydraulic cylinder 4 and the second kind of hydraulic cylinder 5, so that the beam assembly 2 moves stably, reduces the bearing load state of the whole device, makes the device move more easily, and in the process of movement, relies on the action of the stabilizing hydraulic cylinder 93, so that the main shaft assembly 3 moves more stably, further enhances the stability, in the process of use, the first kind of nitrogen bottle in the first nitrogen balance assembly is shielded and protected by the installation frame 81 and the clamping frame 82, to avoid the nitrogen bottle exposed to the outside to be affected by the accident and burst, improve the safety of the device, at the same time, when it needs to be replaced or repaired, only need to rotate the clamping frame 82 to open, the whole operation is more convenient and efficient, after the repair is completed, the position of the protection piece 84 is adjusted, so as to shield and protect the weak position of the hydraulic pipe, further improve the safety of the device, prolong the service life of the device.

[0022] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A numerical control gantry milling machine nitrogen balance pressure compensation stabilizing device, characterized in that: The application relates to a gantry (1) which is composed of two left-right symmetrical vertical columns and a top beam, a cross beam assembly (2) is slidably connected between the vertical columns, a main shaft assembly (3) is slidably arranged on the cross beam assembly (2), a first kind of hydraulic cylinder (4) is installed on the main shaft assembly (3), two second kind of hydraulic cylinders (5) are installed on the top beam, the second kind of hydraulic cylinders (5) are connected with the cross beam assembly (2) at the telescopic ends, a first kind of nitrogen balance assembly (6) is installed on the outer side of each vertical column, a second kind of nitrogen balance assembly (7) is installed at the middle position of the inside of the top beam, a protection mechanism (8) is arranged on each vertical column and used for shielding and protecting the first kind of nitrogen balance assembly (6).

2. The nitrogen pressure balance compensation stabilizing device for numerical control planer-type milling machine according to claim 1, characterized in that: The protection mechanism (8) comprises a mounting frame (81), the mounting frame (81) is installed on the outer side of each vertical column, a clamping frame (82) is rotatably connected to the mounting frame (81), a first kind of nitrogen cylinder in the first kind of nitrogen balance assembly is located in the corresponding mounting frame (81), front and back symmetrical sliding rails (83) are connected to the upper sides of the left and right parts of the top beam, a protection piece (84) is slidably arranged between the front and back adjacent sliding rails (83) and used for protecting the weak position of a pipeline.

3. The nitrogen pressure balance compensation stabilizing device for CNC gantry milling machine according to claim 2, characterized in that: The application further comprises a stabilizing mechanism (9), the stabilizing mechanism (9) comprises a connecting block (91), the connecting block (91) is connected to the upper left and right sides of the main shaft assembly (3), a fixing base (92) is connected to the left and right sides of the main shaft assembly (3), and a stabilizing hydraulic cylinder (93) is rotatably connected between the adjacent connecting block (91) and fixing base (92).

4. The nitrogen pressure balance compensation stabilizing device for numerical control planer-type milling machine according to claim 1, characterized in that: The first kind of nitrogen balance assembly (6) comprises a first kind of nitrogen cylinder which is fixedly installed on a vertical column, a hydraulic ball valve and a pressure gauge are installed at the bottle mouth of the first kind of nitrogen cylinder, and a hydraulic rubber tube is connected between the hydraulic ball valve and the adjacent second kind of hydraulic cylinder (5).

5. The nitrogen pressure balance compensation stabilizing device for CNC gantry milling machine according to claim 1, characterized in that: The second kind of nitrogen balance assembly (7) comprises a second kind of nitrogen cylinder which is installed in the inside of a top beam, corresponding hydraulic ball valves and pressure gauges are also installed at the bottle mouths of the second kind of nitrogen cylinder, and hydraulic rubber tubes are connected between the hydraulic ball valves and the first kind of hydraulic cylinder (4).

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