Rotary joint mechanism

Abstract

The utility model discloses a rotary joint mechanism which is used for being assembled on a deep hole drilling machine, the rotary joint mechanism comprises a joint body, the joint body comprises a connecting part, a joint part and a clamping part, the joint part and the clamping part are coaxially arranged at the two opposite ends of the connecting part, the joint part is used for being connected into the deep hole drilling machine, and the clamping part is used for being provided with a drill bit; the outer sleeve body is sleeved on the periphery of the connecting part; the connector is arranged on the outer sleeve body in a communicating manner and is used for introducing high-pressure oil; wherein an oil inlet hole is formed in the connecting part, an oil conveying hole is formed in the clamping part in a penetrating mode in the axial direction of the clamping part, the oil conveying hole is communicated with the oil inlet hole, and the oil inlet hole is communicated with the connector. According to the utility model, large-aperture and small-aperture drilling processing can be realized on the same drilling machine, and meanwhile, the drilling machine can be quickly clamped on a deep hole drilling machine, so that the working efficiency is improved, and the processing precision is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep hole drilling machine technical field, concretely relates to a rotary joint mechanism for deep hole processing. BACKGROUND

[0002] BTA drilling machine is a machine tool specially used for machining deep hole, adopts the processing of internal chip removal, and the BTA drill bit is an internal chip removal deep hole drilling tool, and the core components include a multi-blade staggered tooth drill bit and a hollow drill rod connected with the drill bit, which is mainly used for machining large-diameter deep holes, such as the internal chip removal deep hole drilling machine disclosed in patent No. CN217452253U, which comprises a machine base, a first clamping mechanism arranged on the machine base and used for clamping materials, a second clamping mechanism used for clamping materials, a drilling mechanism and a chip removal mechanism, the second clamping mechanism is located between the first clamping mechanism and the drilling mechanism, the first clamping mechanism and the second clamping mechanism are oppositely arranged, and the machine base is provided with a feeding mechanism for driving the drilling mechanism to approach or move away from the second clamping mechanism.

[0003] Such deep hole drilling machine is only suitable for large-diameter machining, and when small-diameter machining of the workpiece is required, the workpiece needs to be replaced on the corresponding drilling machine for machining, which greatly affects the machining efficiency and machining accuracy. UTILITY MODEL CONTENT

[0004] The utility model discloses in order to avoid the deficiency that exists in the prior art, provide a kind of rotary joint mechanism that can quickly realize small-diameter machining.

[0005] The utility model solves technical problem using the following technical scheme: a rotary joint mechanism is assembled on deep hole drilling machine, the rotary joint mechanism includes:

[0006] Joint body, the joint body includes joint part and clamping part coaxially arranged at the opposite ends of joint part, the joint part is used to access deep hole drilling machine, and the clamping part is used to configure drill bit;

[0007] Sleeve body is sleeved on the whole joint part;

[0008] Connection head is communicated and arranged on the sleeve body, and the connection head is used to pass into high-pressure oil liquid;

[0009] Among them, the joint part is provided with oil inlet hole, the clamping part is provided with oil inlet hole in the axial direction, the oil inlet hole is communicated with the oil inlet hole, and the oil inlet hole is communicated with the connection head.

[0010] In several embodiments, a plurality of oil inlet holes are distributed along the radial direction of the joint part, and the ends of the oil inlet holes lead to the oil inlet hole.

[0011] In several embodiments, the clamping part is provided with a clamping groove, which is arranged along the clamping axial direction, and the end of the clamping groove is connected to the oil delivery hole.

[0012] In several embodiments, the outer casing is provided with radially arranged insertion holes for mating with connectors.

[0013] In several embodiments, at least one bearing is provided between the outer sleeve and the joint portion and the clamping portion.

[0014] In several embodiments, a plurality of sealing rings are provided between the connecting part and the outer sleeve, and the sealing rings are located on opposite sides of the oil inlet.

[0015] In several embodiments, the connecting portion is provided with a plurality of sealing grooves for accommodating sealing rings.

[0016] The beneficial effects of this utility model are as follows:

[0017] This invention enables drilling of both large and small diameter holes on the same drilling machine. It can also be quickly clamped onto a deep hole drilling machine and combined with an external chip removal drill bit to perform small diameter drilling on the workpiece, thereby improving work efficiency while ensuring machining accuracy.

[0018] This utility model achieves quick connection with the chuck of a deep hole drilling machine through the connector part, quick connection with the drill bit through the clamping part, and high-pressure oil is delivered to the drill bit position through the structure of the connecting part, outer sleeve and connector, combined with an external oil pump, thereby realizing external chip removal drilling. Attached Figure Description

[0019] The accompanying drawings described herein are for illustrative purposes only and do not represent all possible implementations, nor should they be considered as limiting the scope of this invention.

[0020] Figure 1 The overall structure of the rotary joint mechanism in Embodiment 1 is illustrated schematically;

[0021] Figure 2 Schematic illustration Figure 1 The cross-sectional structure;

[0022] Figure 3 Schematic illustration Figure 1 Explosion structure at the location of the joint body;

[0023] Figure 4 Schematic illustration Figure 1 The structure of the inner and outer shells;

[0024] Figure 5 Schematic illustration Figure 4 The cross-sectional structure. Detailed Implementation

[0025] The embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present utility model, but not all embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0027] Example 1

[0028] As Figures 1-5 As shown, the rotary joint mechanism in this embodiment is assembled on a deep hole drilling machine and used in conjunction with a high-pressure oil pump. It mainly consists of a joint body 10, an outer sleeve 20 fitted around the connecting part 11, and a connector 30 connected to the outer sleeve 20. The outer sleeve 20 and the connector 30 cooperate to allow high-pressure oil to enter the joint body 10 through the high-pressure oil pump, and the joint body 10 is used to assemble with the drilling machine and the drill bit.

[0029] Specifically, the connector body 10 includes a connecting part 11 and a connector part 12 and a clamping part 13 coaxially disposed at opposite ends of the connecting part 11. The connector part 12 is used to connect to a deep hole drilling machine, and the clamping part 13 is used to mount a drill bit. The drill bit can be a gun drill structure for external chip removal.

[0030] The connecting part 11 is provided with an oil inlet hole 111, and the clamping part 13 is provided with an oil delivery hole 131 extending through its axial direction. The oil delivery hole 131 is connected to the oil inlet hole 111, and the oil inlet hole 111 is connected to the connector 30. The multiple oil inlets 111 are radially distributed along the connecting part 11, and the ends of the oil inlets 111 all lead to the oil delivery hole 131.

[0031] Correspondingly, a clamping groove 132 is provided in the clamping part 13. The clamping groove 132 is arranged along the clamping axial direction, and the end of the clamping groove 132 is connected to the oil delivery hole 131.

[0032] And, the outer sleeve body 20 is radially provided with a plug hole 21, which is used to match the connector 30, and the connector 30 is used to communicate with the high-pressure oil pump, so that the high-pressure oil enters the oil inlet hole 111 and enters the oil delivery hole 131, thereby realizing the internal oil feeding and external chip removal of the gun drill.

[0033] Wherein, the outer sleeve body 20 is radially provided with a plug hole 21, which is used to match the connector 30, and the connector 30 is used to communicate with the high-pressure oil pump, so that the high-pressure oil enters the oil inlet hole 111 and enters the oil delivery hole 131, thereby realizing the internal oil feeding and external chip removal of the gun drill.

[0034] The connecting part 11 and the outer sleeve body 20 are provided with a plurality of sealing rings 51, which are located on the opposite sides of the oil delivery hole 131, and the connecting part 11 is provided with a plurality of sealing grooves 112, which are used to accommodate the sealing rings 51. The sealing rings 51 can prevent oil leakage.

[0035] The utility model discloses in using, after bta drill bit processing is completed, it is removed from the chuck of drilling machine, the connector body 10 connector 12 is placed into the chuck, and the corresponding specification gun drill is placed on the clamping part 13, and the connector 30 is communicated with the high-pressure oil pump outside, and the deep hole machining of small aperture can be carried out.

[0036] All the modes described herein can be performed in any suitable order. Any and all examples, or exemplary languages provided herein (such as "for example") are merely used to better illustrate the present utility model, and are not intended to limit the scope of the present utility model, unless the claims. The language in the detailed description should not be understood as indicating any essential factor for practicing the present utility model that is not claimed.

[0037] The utility model discloses the preferred implementation, including the best way of carrying out the utility model of the person who knows the utility model. Of course, the change of these preferred implementation can obviously be seen by the person skilled in the art. The person who knows the utility model expects that the person skilled in the art can use the change as appropriate, and the person who knows the utility model indicates that the utility model can be implemented in other ways different from the specific description herein. Therefore, the utility model includes all improvements included in the utility model main idea and scope defined by the claims. Moreover, unless otherwise stated or contextually obviously contradictory, the utility model includes any of the above factors and all possible changes thereof.

Claims

1. A rotary joint mechanism for mounting on a deep hole drilling machine, characterized in that, The rotary joint mechanism includes: The connector body (10) includes a connecting part (11) and a connector part (12) and a clamping part (13) coaxially disposed at opposite ends of the connecting part (11). The connector part (12) is used to connect to a deep hole drilling machine, and the clamping part (13) is used to configure a drill bit. An outer casing (20) is fitted around the connecting part (11); A connector (30) is provided on the outer casing (20), the connector (30) being used to introduce high-pressure oil; The connecting part (11) is provided with an oil inlet hole (111), and the clamping part (13) is provided with an oil delivery hole (131) extending through its axial direction. The oil delivery hole (131) is connected to the oil inlet hole (111), and the oil inlet hole (111) is connected to the connector (30).

2. The rotary joint mechanism according to claim 1, characterized in that, The plurality of oil inlet holes (111) are radially distributed along the connecting portion (11), and the ends of the oil inlet holes (111) lead to the oil delivery hole (131).

3. A rotary joint mechanism according to claim 2, characterized in that, The clamping part (13) is provided with a clamping groove (132), which is arranged along the clamping axis, and the end of the clamping groove (132) is connected to the oil delivery hole (131).

4. A rotary joint mechanism according to claim 1, characterized in that, The outer casing (20) is provided with a radially arranged insertion hole (21) for mating with the connector (30).

5. A rotary joint mechanism according to claim 1, characterized in that, At least one bearing (41) is provided between the outer casing (20), the joint portion (12), and the clamping portion (13).

6. A rotary joint mechanism according to claim 1, characterized in that, A plurality of sealing rings (51) are provided between the connecting part (11) and the outer sleeve (20), and the sealing rings (51) are located on opposite sides of the oil inlet (131).

7. A rotary joint mechanism according to claim 6, characterized in that, The connecting part (11) is provided with a plurality of sealing grooves (112), which are used to accommodate sealing rings (51).

Images