Drilling and reaming tool for forming low-pressure end hydraulic connector

Abstract

The utility model provides a drilling and reaming tool for forming a low-pressure end hydraulic connector, and belongs to the technical field of machining. Comprising a drill bit, one end of the drill bit is fixedly connected with a drill handle, and the other end of the drill bit is fixedly connected with a drill tip; and the drilling and reaming assembly is used for improving the precision and efficiency of deep hole machining, and the drilling and reaming assembly is connected with the drill bit, the drill handle and the drill tip. By arranging the drilling and reaming assembly, not only can the drilling cutting blade be used for drilling, but also the drilling cutting blade and the reaming cutting blade are combined, so that drilling and reaming can be simultaneously carried out, the efficiency is improved, the cutting blade with an angle is used for directly reaming and forming, the taper and the dimensional accuracy of a machined hole can be ensured, and the machining precision is improved. The tool is a drilling and reaming integrated tool, the two working procedures of drilling and reaming can be completed in one-time clamping, the workpiece clamping frequency and the tool replacing frequency are reduced, and therefore the production efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially relates to a low pressure end hydraulic connector forming drill reamer tool. BACKGROUND

[0002] The drill bit for the forming of the low pressure end hydraulic connector needs to have high precision, strong cutter body design, reduce vibration, fast processing and excellent surface treatment capability to meet the strict processing requirements of the hydraulic connector.

[0003] For the deep hole processing of shaft workpieces, the prior art mostly adopts drilling a pilot hole and then single-edge turning processing, which on the one hand needs frequent tool changing and has low efficiency, and on the other hand the turning tool bar is small and the tool is prone to vibration under stress, which can cause unstable hole size and rough surface and poor precision, therefore, the utility model provides a low pressure end hydraulic connector forming drill reamer tool to meet the requirements. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem to provide a low pressure end hydraulic connector forming drill reamer tool through setting up drill reamer assembly, which can not only utilize the drill cutting edge to drill, but also can simultaneously drill and ream through the combination of the drill cutting edge and the reaming cutting edge, thereby improving the efficiency, the angle cutting edge can directly ream to form, which can ensure the taper and size precision of the processed hole, improve the precision of deep hole turning, and the above setting can solve the problems of poor deep hole turning precision and low efficiency.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] A low pressure end hydraulic connector forming drill reamer tool, comprising a drill bit, one end of the drill bit is fixedly connected with a drill handle, the other end of the drill bit is fixedly connected with a drill tip, a drill reamer assembly is used to improve the precision and efficiency of deep hole processing, and the drill reamer assembly is connected with the drill bit, the drill handle and the drill tip respectively.

[0007] Optionally, the drill reamer assembly comprises a drill cutting edge arranged on the drill tip, the drill bit is symmetrically provided with a chip removal groove on both sides, and the drill bit is symmetrically provided with a reaming cutting edge band on both sides.

[0008] Optionally, the top of the drill bit is conical in profile, and the bottom of the drill bit is cylindrical in profile.

[0009] Optionally, the drill cutting edge has a downward inclination angle, and the top angle of the drill cutting edge is 120°.

[0010] Optionally, the diameter of the drill handle is smaller than the diameter of the bottom of the drill bit.

[0011] Optionally, the included angle between the inner walls of the chip flute is 100°, and the bottom of the chip flute has an outwardly curved arc.

[0012] Optionally, the chip flute is arranged in an axial direction.

[0013] Optionally, the reaming cutting edge band is arranged in an axial direction.

[0014] Optionally, the drill tip has a central symmetric structure.

[0015] Optionally, the bottom of the chip flute is close to the bottom of the drill bit, and the length of the reaming cutting edge band is smaller than the length of the chip flute.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, by setting the drill reamer assembly, not only can the drill cutting edge be used for drilling, but also the drill cutting edge and the reaming cutting edge can be combined to simultaneously perform drilling and reaming, thereby improving efficiency.

[0018] By setting the chip flute, the angle between the two inner walls of the chip flute is 100°, and the large-angle chip flute can more effectively guide the chips to be discharged along the groove, avoid the accumulation of chips in the cutting area, reduce the interference of iron filings on the cutting process, thereby improve the chip removal efficiency, quickly remove the iron filings generated in the cutting process, and reduce heat and wear.

[0019] By setting the drill cutting edge, the top angle of the drill cutting edge is 120°, and the 120° top angle can provide a larger cutting edge relative to the standard 118° top angle, which helps to improve the drilling capacity, especially when machining the low-pressure end hydraulic joint formed material with high hardness.

[0020] By setting the reaming cutting edge belt, the reaming cutting edge belt is arranged in axial extension and the drill bit is a tapered structure, which is arranged at an axial angle of 8° of the workpiece, can be accurately machined, ensures the taper size of the workpiece, in addition, the 8° tapered drill bit can gradually expand the hole diameter, is suitable for precision reaming application, the tapered design makes it very suitable for chamfering, increases the smoothness and beauty of the hole, and can obtain very high precision and excellent surface quality. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the application and, together with the description, further serve to explain the principles of the application and to enable a person skilled in the relevant art to implement and use the application.

[0022] Figure 1 It is a first perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment one.

[0023] Figure 2 It is a second perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment one.

[0024] Figure 3 It is a third perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment one.

[0025] Figure 4 It is a first perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment two.

[0026] Figure 5 It is a second perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment two.

[0027] Figure 6 It is a third perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment two.

[0028] Figure 7 It is a first perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment three.

[0029] Figure 8 It is a second perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment three.

[0030] Figure 9 It is a third perspective plane structure schematic view of a low-pressure end hydraulic joint forming drill reamer tool embodiment three.

[0031] Reference signs:

[0032] 1, drill shank; 2, drill bit; 3, chip flute; 4, reaming cutting edge belt; 5, drilling cutting edge; 6, drill tip.

[0033] As shown in the drawings, in order to clearly realize the structure of the embodiment of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the devices and environment can be adjusted or modified by those skilled in the art according to specific needs. DETAILED DESCRIPTION

[0034] The low-pressure end hydraulic joint forming drill reamer tool provided by the utility model will be described in detail below in combination with the drawings and specific embodiments. It should be noted that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the utility model.

[0035] It should be noted that, in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).

[0036] Generally, the terms can be understood at least partly from the use in the context. For example, at least partly depending on the context, the term "one or more" used in this document can be used to describe any feature, structure or characteristic in the singular sense, or can be used to describe a combination of features, structures or characteristics in the plural sense. In addition, the term "based on" can be understood as not necessarily conveying a set of exclusive factors, but can instead, at least partly depending on the context, allow the existence of other factors that are not necessarily explicitly described.

[0037] It can be understood that the meanings of "on", "above" and "over" in the utility model should be interpreted in the broadest way, so that "on" not only means "directly on" something, but also includes the meaning of "on" something with intervening characteristics or layers therebetween, and "above" or "over" not only means "above" or "over" something, but also can include the meaning of "above" or "over" something without intervening characteristics or layers therebetween.

[0038] Moreover, spatially relative terms, such as "beneath", "below", "lower", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can likewise be interpreted accordingly.

[0039] Embodiment one

[0040] As Figures 1 to 3 shown, the embodiment of the utility model provides a low pressure end hydraulic joint forming drill reamer tool, including drill 2, one end of drill 2 is fixedly connected with drill handle 1, the other end of drill 2 is fixedly connected with drill tip 6;Drill reamer assembly, drill reamer assembly is used to improve the precision machine and efficiency of deep hole processing, drill reamer assembly is connected with drill 2, drill handle 1 and drill tip 6 respectively, the drill reamer tool provided by the application is integrally arranged by drill tip 6, drill 2 and drill handle 1, by setting drill reamer assembly, not only can utilize drill cutting edge 5 to carry out drilling processing, and drill cutting edge 5 and reaming cutting edge combination can simultaneously carry out drilling and reaming processing, improve efficiency, this kind of angle blade direct reaming forming can guarantee the taper and size precision of processing hole, improve the precision of deep hole turning, in addition, the tool is drill reamer integrated tool, and the integrated setting can complete drilling and reaming two processes in one clamping, reduces the clamping times and tool replacement times of workpiece, thereby significantly improve production efficiency.

[0041] As an embodiment in the embodiment, as Figures 1 to 3 shown, the drill reamer assembly includes drill cutting edge 5 opened on drill tip 6, drill 2 is symmetrically provided with chip removal groove 3 on both sides, drill 2 is symmetrically provided with reaming cutting edge belt 4 on both sides, reaming cutting edge belt 4 is arranged along the axial direction, by setting reaming cutting edge belt 4, reaming cutting edge belt 4 is arranged along the axial direction and drill 2 is conical structure, sets up according to the axial angle of workpiece 8 °, can accurately process, guarantees the taper size of workpiece, in addition, the conical drill 2 of 8 ° can gradually expand the aperture, is suitable for precision hole expanding application, conical design makes it very suitable for chamfering, increases the smoothness and beauty of the aperture, can obtain very high precision and excellent surface quality.

[0042] In the embodiment, as Figures 1 to 3As shown, the top of the drill bit 2 is conical in profile, the bottom of the drill bit 2 is cylindrical in profile, the drill hole cutting edge 5 has a downwardly inclined angle, the top angle of the drill hole cutting edge 5 is 120°, the diameter size of the drill shank 1 is smaller than the diameter size of the bottom of the drill bit 2, by setting the drill hole cutting edge 5, the top angle of the drill hole cutting edge 5 is 120°, the 120° top angle can provide a larger cutting edge compared to the standard 118° top angle, which helps to improve the drilling capacity, especially when machining low-pressure end hydraulic joint forming materials with high hardness, and the 120° top angle can provide better centering performance, which helps to improve the machining accuracy of the hole, in addition, the larger top angle can improve the chip removal performance, especially in deep hole machining, which helps to smoothly remove the chips, avoids chip jamming and tool wear, thereby providing better cutting performance and machining effect.

[0043] In this embodiment, as shown in Figures 1 to 3 The angle between the inner walls of the chip groove 3 is 100°, the bottom of the chip groove 3 has an outwardly curved radius, the chip groove 3 is arranged in the axial direction, the drill tip 6 has a central symmetric structure, the bottom of the chip groove 3 is close to the bottom of the drill bit 2, the length size of the reaming cutting edge band 4 is smaller than the length size of the chip groove 3, by setting the chip groove 3, the angle between the two inner walls of the chip groove 3 is 100°, the large-angle chip groove 3 can more effectively guide the chips to be removed along the groove, avoid the accumulation of chips in the cutting area, reduce the interference of iron chips on the cutting process, thereby improving the chip removal efficiency, quickly removing the iron chips generated during cutting, which can reduce heat and wear, and the large-angle chip groove 3 helps to reduce vibration during cutting, thereby improving the surface quality of the workpiece and the processing safety and economic efficiency.

[0044] Example Two

[0045] In this embodiment, as shown in Figures 4 to 6 The bottom of the drill bit 2 is not provided with the drill shank 1, different drill shank 1 designs can adapt to different machining requirements and tool types, providing more flexibility and choices, the drill reamer tool provided in this embodiment is mainly integrated by the drill tip 6 and the drill bit 2, the overall length size of this embodiment is smaller than that of example one, the length size of the chip groove 3 and the reaming cutting edge band 4 in this embodiment is smaller than the overall length size of the chip groove 3 and the reaming cutting edge band 4 in example one.

[0046] Example Three

[0047] In this embodiment, as shown in Figures 7 to 9As shown, the length ratio of the drill bit 2 and the drill shank 1 is 1:1, and the length ratio of the drill bit 2 and the drill shank 1 in Embodiment One is 2.6:1, the longer drill shank 1 can provide better rigidity and stability, reduce the vibration and deflection of the drill bit 2 during processing, different drill shank 1 designs can adapt to different processing requirements and tool types, providing more flexibility and selection.

[0048] The working principle of the technical scheme provided by the utility model is as follows:

[0049] In use, since the drill and reamer tool has an angle blade, it can directly form a reaming hole, thereby ensuring the taper and size accuracy of the processed hole, before use, the drill shank 1 part and the inner hole of the tool holder are blown clean by using a high-pressure air gun, after cleaning, the drill shank 1 is fastened on the tool holder, and is installed in the specified tool magazine position, after confirming that the installation is completed, the tool is adjusted, and the tool is rotated at a uniform speed and advances at a specified cutting parameter, and the drilling and reaming cutting process is continuously completed; the drilling cutting edge 5 at the top can perform drilling, and the drilling cutting edge 5 at the top and the reaming cutting edge 4 are combined, so that drilling and reaming can be performed at the same time, thereby greatly improving the efficiency of deep hole processing, the top angle of the drilling cutting edge 5 is 120°, and the 120° top angle can provide a larger cutting edge compared with the standard 118° top angle, which helps to improve the drilling capacity, especially when processing a low-pressure end hydraulic joint formed of a material with relatively high hardness, and the 120° top angle can provide better centering performance, which helps to improve the machining accuracy of the hole, in addition, the larger top angle can improve the chip removal performance, especially in deep hole processing, which helps to smoothly remove the chips, avoids chip jamming and tool wear, thereby providing better cutting performance and processing effect, the chip removal groove 3 is arranged in the axial direction, and the angle between the two inner walls of the chip removal groove 3 is 100°, the large-angle chip removal groove 3 can more effectively guide the chips to be removed along the groove, avoid the accumulation of chips in the cutting area, reduce the interference of iron chips on the cutting process, thereby improving the chip removal efficiency, quickly removing the iron chips generated during the cutting process, which can reduce heat and wear, and the large-angle chip removal groove 3 helps to reduce vibration during the cutting process, thereby improving the surface quality of the workpiece and the processing safety and economic efficiency, in addition, the 8° conical drill bit 2 can gradually enlarge the hole diameter, which is suitable for precision hole expanding applications, the conical design makes it very suitable for chamfering, increases the smoothness and beauty of the hole, and can obtain very high precision and excellent surface quality, through the drill and reamer integrated tool, the integrated design can complete the drilling and reaming two processes at a time, thereby significantly improving the production efficiency.

[0050] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit are not explained in detail.

[0051] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art of the present technology, on the premise of not departing from the principle of the utility model, still can make a number of improvement and embellishment, these improvements and embellishment also should be regarded as the protection range of the utility model.

Claims

1. A low pressure end hydraulic fitting forming drill reamer tool comprising a drill bit, characterized by, One end of the drill bit is fixedly connected with a drill handle, and the other end of the drill bit is fixedly connected with a drill tip. A drill and reamer assembly is used to improve the precision and efficiency of deep hole machining, and is connected with the drill bit, the drill handle and the drill tip respectively.

2. The low pressure end hydraulic nipple forming drill reamer tool of claim 1, wherein, The drill and reamer assembly comprises drill hole cutting edges arranged on the drill tip, and the drill bit is symmetrically provided with chip removal grooves and reamer cutting edge bands on both sides.

3. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The top of the drill bit is conical, and the bottom of the drill bit is cylindrical.

4. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The drill hole cutting edges have a downward inclination angle, and the top angle of the drill hole cutting edges is 120°.

5. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The diameter of the drill handle is smaller than the diameter of the bottom of the drill bit.

6. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The included angle between the inner walls of the chip removal grooves is 100°, and the bottom of the chip removal grooves has an outwardly curved arc.

7. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The chip removal grooves are arranged in the axial direction.

8. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The reamer cutting edge bands are arranged in the axial direction.

9. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The drill tip has a central symmetric structure.

10. The low pressure end hydraulic nipple forming drill reamer tool of claim 2, wherein, The length of the reamer cutting edge bands is smaller than the length of the chip removal grooves.

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