Hydraulic jacking device for deep hole drilling machine

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a hydraulic jacking device for a deep hole drilling machine, which comprises an oil cylinder body and is characterized in that the upper end face of the oil cylinder body is fixedly connected with an upper connection fixing disc, a lower oil injection valve is arranged in the circumferential direction of the oil cylinder body, and the upper oil injection valve is connected with a lower connection seat. The lower end face of the oil cylinder body is fixedly connected with a lower connecting and fixing disc, a positioning key is arranged on the lower end face of the oil cylinder body, a piston is arranged in the oil cylinder body and the upper connecting and fixing disc, a guide sleeve is arranged in the piston, and an upper connecting hole and a three-jaw chuck connecting hole are formed in the upper connecting and fixing disc. And a height difference exists between the upper connecting hole and the three-jaw chuck connecting hole. The guide sleeve and the connecting disc are arranged, so that a machined workpiece does not need to be chamfered in advance when the deep hole drilling machine is used, the deep hole drilling machine can adapt to various workpieces, and the efficiency of the deep hole drilling machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a hydraulic jacking device for a deep hole drilling machine. Background Art

[0002] During the deep hole drilling process, the drill bit needs to rely on the jacking device to provide sufficient jacking force to maintain stability. The hydraulic jacking technology of deep hole drilling machine is a technology that uses the hydraulic system to jack and adjust the drill bit of the deep hole drilling machine. This technology uses the transmission and control of hydraulic oil to achieve accurate jacking and adjustment of the drill bit, thereby improving the accuracy and efficiency of deep hole processing. After the hydraulic oil is pressurized by the hydraulic pump, it is transmitted to the actuator through the oil circuit, and the actuator then applies pressure to the drill bit to make it fit tightly against the surface of the workpiece.

[0003] There are the following problems:

[0004] The existing hydraulic clamping device has problems such as inflexible adjustment, the need to perform chamfering on the workpiece to be processed in advance when in use, and low adaptability to different workpieces, which affects the processing efficiency of the deep hole drilling machine. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a hydraulic jacking device for a deep hole drilling machine, which solves the problems of inflexible adjustment, the need to pre-chamfer the workpiece to be processed during use, and low adaptability to different workpieces.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic tightening device for a deep hole drilling machine, comprising a cylinder body, the upper end surface of the cylinder body is fixedly connected to an upper connecting fixed plate, the cylinder body is circumferentially provided with a lower oil filling valve, an upper oil filling valve and a lower connecting seat, the lower end surface of the cylinder body is fixedly connected to a lower connecting fixed plate, the lower end surface of the cylinder body is provided with a positioning key, a piston is provided inside the cylinder body and the upper connecting fixed plate, and a guide sleeve is provided inside the piston.

[0007] As a preferred technical solution of the utility model, an upper connecting hole and a three-jaw chuck connecting hole are arranged inside the upper connecting fixing plate, and there is a height difference between the upper connecting hole and the three-jaw chuck connecting hole.

[0008] As a preferred technical solution of the utility model, the upper end surface of the upper connecting fixed disk is fixedly connected with a chuck seat, and the interior of the chuck seat is provided with a clamping claw.

[0009] As a preferred technical solution of the utility model, a piston sealing platform is arranged on the circumference of the piston, and an oil seal is arranged on the piston sealing platform.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model, by providing the guide sleeve and the connecting plate, eliminates the need for pre-chamfering of the workpiece to be processed during use, can adapt to a variety of workpieces, and improves the efficiency of the deep hole drilling machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the isometric structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the isometric structure of the utility model connecting the three-jaw chuck;

[0014] Figure 3 It is a schematic diagram of the cross-sectional structure of the central axis of the utility model.

[0015] In the figure: 1. Cylinder body; 2. Lower oil filling valve; 3. Upper connecting fixed plate; 4. Upper connecting hole; 5. Guide sleeve; 6. Piston; 7. Three-jaw chuck connecting hole; 8. Lower connecting seat; 9. Lower connecting fixed plate; 10. Chuck seat; 11. Claw; 12. Lower connecting hole; 13. Lower oil filling port; 14. Upper oil filling valve; 15. Piston sealing platform; 16. Positioning key. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0017] Example

[0018] See also Figure 1-3 The utility model provides the following technical solutions: a hydraulic jacking device for a deep hole drilling machine, comprising a cylinder body 1, an upper connecting fixing plate 3 is fixedly connected to the upper end surface of the cylinder body 1, a lower oil filling valve 2, an upper oil filling valve 14 and a lower connecting seat 8 are arranged circumferentially of the cylinder body 1, a lower connecting fixing plate 9 is fixedly connected to the lower end surface of the cylinder body 1, a positioning key 16 is arranged on the lower end surface of the cylinder body 1, a piston 6 is arranged inside the cylinder body 1 and the upper connecting fixing plate 3, and a guide sleeve 5 is arranged inside the piston 6.

[0019] In this embodiment, the cylinder body 1 and the upper connecting fixed plate 3 are connected by threaded bolts, the lower oil filling valve 2 and the upper oil filling valve 14 are connected to the cylinder body 1 as a whole by welding, the cylinder body 1 and the lower connecting seat 8 are integrally cast, and the guide sleeve 5 and the piston 6 are interference fit.

[0020] Specifically, an upper connection hole 4 and a three-jaw chuck connection hole 7 are provided inside the upper connection fixing plate 3 , and there is a height difference between the upper connection hole 4 and the three-jaw chuck connection hole 7 .

[0021] In this embodiment, five upper connection holes 4 are arranged at equal intervals, and five three-jaw chuck connection holes 7 are arranged at equal intervals. The angle between the upper connection holes 4 and the three-jaw chuck connection holes 7 is 36°.

[0022] Specifically, a chuck seat 10 is fixedly connected to the upper end surface of the upper connecting fixing plate 3 , and a clamping claw 11 is disposed inside the chuck seat 10 .

[0023] In this embodiment, three clamping claws 11 are arranged at equal intervals, and the chuck seat 10 is connected to the upper connecting fixing plate 3 by threaded bolts.

[0024] Specifically, a piston sealing platform 15 is provided in the circumferential direction of the piston 6 , and an oil seal is provided on the piston sealing platform 15 .

[0025] In this embodiment, the oil seal is in the form of a sealing ring.

[0026] The working principle and use process of the utility model are as follows: the staff first puts the guide sleeve 5 into the cavity of the piston 6, and then fixes the three-jaw chuck to the upper connecting fixed plate 3 by bolts, and then fixes one side end face of the clamping device positioning key 16 to the processing machine tool, connects the oil filling pipeline to the upper oil filling valve 14 and the lower oil filling valve 2, and then operates the clamping claw 11 to clamp the workpiece to be processed, and then the lower oil filling port 13 is filled with oil to push the piston forward, so that the guide sleeve 5 is tightly combined with the end face of the workpiece, and the workpiece is sealed, and the workpiece can be processed. The use of the guide sleeve 5 can eliminate the need to chamfer the end face of the workpiece, thereby improving work efficiency.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydraulic jacking device for a deep hole drilling machine, comprising a cylinder body (1), characterized in that: The upper end surface of the oil cylinder body (1) is fixedly connected to an upper connecting fixed plate (3); a lower oil filling valve (2), an upper oil filling valve (14) and a lower connecting seat (8) are arranged in the circumference of the oil cylinder body (1); the lower end surface of the oil cylinder body (1) is fixedly connected to a lower connecting fixed plate (9); a positioning key (16) is arranged on the lower end surface of the oil cylinder body (1); a piston (6) is arranged inside the oil cylinder body (1) and the upper connecting fixed plate (3); and a guide sleeve (5) is arranged inside the piston (6).

2. The hydraulic jacking device for a deep hole drilling machine according to claim 1, characterized in that: An upper connection hole (4) and a three-jaw chuck connection hole (7) are arranged inside the upper connection fixing plate (3), and there is a height difference between the upper connection hole (4) and the three-jaw chuck connection hole (7).

3. The hydraulic jacking device for a deep hole drilling machine according to claim 1, characterized in that: The upper end surface of the upper connection fixing plate (3) is fixedly connected to a chuck seat (10), and a clamping claw (11) is arranged inside the chuck seat (10).

4. The hydraulic jacking device for a deep hole drilling machine according to claim 1, characterized in that: A piston sealing platform (15) is arranged in the circumferential direction of the piston (6), and an oil seal is arranged on the piston sealing platform (15).

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