Valve core hole reamer in multi-blade combined form

Abstract

The utility model discloses a valve element hole reamer in a multi-blade combination mode, and relates to the technical field of reamers. The valve element hole reamer in the multi-blade combination mode comprises a reamer handle, a reamer blade and a reamer blade, the cutter head is connected with one end of the cutter handle; the plurality of main cutting edges are arranged at the main groove of the tool bit far away from one end of the tool handle and are arranged along the circumferential direction of the tool bit; the transition edge is arranged on the tool bit and is adjacent to the main cutting edge; the guide part is obliquely arranged on the tool bit; and the auxiliary cutting edges are arranged at the auxiliary grooves of the tool bit and are adjacent to the main cutting edges. The utility model solves the problems that thick burrs are often formed between a processing hole diameter and a groove of the conventional valve core hole reamer and cannot be removed; and the roundness and cylindricity of the aperture often have out-of-tolerance and scrapping phenomena due to relatively high product requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of reamer, in particular to a valve core hole reamer in the form of a multi-blade combination. Background Art

[0002] Reamers are commonly used tools in machining and are widely used in reaming processes.

[0003] The existing valve core hole reamer often forms thick burrs between the hole diameter and the groove that cannot be removed; and the roundness and cylindricity of the hole diameter are often out of tolerance and scrapped due to relatively high product requirements. There is currently no effective solution to the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a valve core hole reamer with a multi-blade combination to solve the above-mentioned problems existing in the prior art.

[0005] Technical solution: multi-blade combination valve core hole reamer, including:

[0006] Handle;

[0007] A knife head connected to one end of the knife handle;

[0008] A plurality of main cutting edges are arranged at the main groove of the cutter head away from one end of the cutter handle and are arranged along the circumference of the cutter head;

[0009] A transition edge is disposed on the cutter head and is adjacent to the main cutting edge;

[0010] A guide portion is obliquely disposed on the cutter head; and

[0011] A plurality of secondary cutting edges are arranged at the secondary groove of the cutter head and are arranged adjacent to the primary cutting edge;

[0012] Wherein, the main cutting edge and the auxiliary cutting edge are in the form of multiple blades, so that the valve core hole reamer forms a multi-blade combination form.

[0013] Preferably, the main cutting edge adopts a left-handed and right-handed chip removal method.

[0014] Preferably, the secondary cutting edge is in the form of a straight groove and right-handed rotation.

[0015] Preferably, the main cutting edge and the secondary cutting edge are 8-edged, 10-edged or 12-edged respectively.

[0016] Preferably, the main cutting edge and the guide portion are located in the same groove.

[0017] Preferably, the length of the main cutting edge is 10-15 mm.

[0018] Preferably, a cutting edge cooling hole is provided in the auxiliary groove.

[0019] Preferably, a plurality of guide inner cooling holes are arranged at intervals on the guide portion.

[0020] Preferably, the cutting edge inner cooling holes and the guide inner cooling holes are staggered and asymmetrically arranged.

[0021] Preferably, the main cutting edge and the secondary cutting edge are in a positive and negative intersection form.

[0022] Beneficial effect: In the embodiment of the present application, a multi-blade combination is adopted, and the main cutting edge and the auxiliary cutting edge are in the form of a multi-blade, so that the valve core hole reamer forms a multi-blade combination, thereby achieving the purpose of the multi-blade combination, thereby achieving the technical effect of removing thick burrs and solving the roundness and cylindricity problems of the aperture, thereby solving the technical problems that thick burrs are often formed between the aperture and the groove of the existing valve core hole reamer and cannot be removed; and the roundness and cylindricity of the aperture are often out of tolerance and scrapped due to relatively high product requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of a valve core hole reamer in a multi-blade combination form of the utility model;

[0024] Figure 2 It is a front view of a valve core hole reamer of a multi-blade combination form of the utility model;

[0025] Figure 3 It is a left side view of a valve core hole reamer with a multi-blade combination form according to the utility model.

[0026] The reference numerals are: 10, tool handle; 20, tool head; 30, main cutting edge; 40, main groove; 50, transition edge; 60, guide portion; 70, secondary cutting edge; 80, secondary groove; 90, cooling hole in cutting edge; 100, cooling hole in guide. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0028] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0029] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] like Figure 1-3 As shown, the present application relates to a valve core hole reamer in the form of a multi-blade combination. The valve core hole reamer in the form of a multi-blade combination includes: a shank 10; the shank 10 refers to the handle of the valve core hole reamer, which can achieve a good clamping and fixing effect with other components, thereby ensuring that the valve core hole reamer is in a stable state, thereby achieving a precise cutting effect. Preferably, the shank 10 is cylindrical in shape, which can achieve the effect of easy clamping and processing, and at the same time, it can also ensure the stability of the center of gravity during rotation.

[0032] The cutter head 20 is connected to one end of the handle 10; the cutter head 20 refers to the head of the valve core hole reamer, which can facilitate the processing of the required cutting edge, thereby achieving a good cutting effect. Preferably, the cutter head 20 and the handle 10 are integrally formed. It can achieve the effect of improving the structural strength, thereby achieving the effect of improving the service life.

[0033] A plurality of main cutting edges 30 are arranged at the main groove 40 of the cutter head 20 away from one end of the shank 10 and are arranged circumferentially along the cutter head 20; by providing a plurality of main cutting edges 30, a good cutting effect on the workpiece can be achieved, thereby achieving the required cutting aperture.

[0034] The transition edge 50 is disposed on the cutter head 20 and is adjacent to the main cutting edge 30 . It can achieve a good transition effect, thereby achieving the effect of protecting the cutter head 20 .

[0035] The guide portion 60 is obliquely arranged on the tool head 20. By providing the guide portion 60, a good guiding and supporting effect can be achieved, thereby achieving the effect of improving the processing accuracy. Preferably, the length of the guide portion 60 matches the overall length of the workpiece, which can ensure a good matching and supporting effect.

[0036] A plurality of secondary cutting edges 70 are arranged at the secondary groove 80 of the cutter head 20 and are arranged adjacent to the primary cutting edge 30 ; a good auxiliary cutting effect can be achieved, thereby achieving the effect of improving cutting accuracy and cutting efficiency.

[0037] The main cutting edge 30 and the auxiliary cutting edge 70 are in the form of multiple blades, so that the valve core hole reamer is in the form of a multiple blade combination. By using the main cutting edge 30 and the auxiliary cutting edge 70 in the form of multiple blades, the roundness and cylindricity problems of the aperture can be solved; at the same time, the cutting efficiency can be improved.

[0038] When the tool is used to process the step-difference valve core hole, after the cutting edge reams the first section of the outer diameter, the guide portion 60 forms a complete support for the first outer diameter, and the internal cooling of the tool groove forms an oil film protection in the gap between the guide and the workpiece.

[0039] From the above description, it can be seen that the present application achieves the following technical effects:

[0040] In the embodiment of the present application, a multi-blade combination is adopted, and the main cutting edge 30 and the auxiliary cutting edge 70 are in the form of a multi-blade, so that the valve core hole reamer forms a multi-blade combination, thereby achieving the purpose of the multi-blade combination, thereby achieving the technical effect of removing thick burrs and solving the roundness and cylindricity problems of the aperture, thereby solving the technical problems that thick burrs are often formed between the aperture and the groove of the existing valve core hole reamer and cannot be removed; and the roundness and cylindricity of the aperture are often out of tolerance and scrapped due to relatively high product requirements.

[0041] Furthermore, the main cutting edge 30 adopts the left-handed right-handed chip removal mode. It can be understood that good cutting and chip removal effects can be achieved, and the effect of cooperating with the auxiliary cutting edge 70 can also be achieved, thereby further improving the processing efficiency.

[0042] Furthermore, the secondary cutting edge 70 adopts a straight groove right-handed form. It can be understood that it can achieve good cutting and chip removal effects, and at the same time can also achieve the effect of matching with the main cutting edge 30, thereby achieving the effect of further improving the processing efficiency.

[0043] Further, the main cutting edge 30 and the secondary cutting edge 70 are 8-edged, 10-edged or 12-edged respectively. It can be understood that the effect can be easily achieved and convenient to operate.

[0044] Furthermore, the main cutting edge 30 and the guide portion 60 are located in the same groove. It can be understood that a good matching effect can be achieved.

[0045] Furthermore, the length of the main cutting edge 30 is 10-15 mm. It can be understood that a good cutting effect can be ensured, and at the same time, a good service life can be ensured.

[0046] Furthermore, a cutting edge inner cooling hole 90 is provided in the auxiliary groove 80. It can be understood that the effect of cooling the cutting edge during processing can be achieved, thereby achieving the effect of protecting the cutting edge.

[0047] Furthermore, a plurality of guide inner cooling holes 100 are arranged at intervals on the guide portion 60. It can be understood that a good cooling effect on the guide portion 60 can be achieved.

[0048] Furthermore, the cutting edge inner cooling holes 90 and the guide inner cooling holes 100 are staggered and asymmetrically arranged. It can be understood that the cooling efficiency and cooling coverage can be improved, thereby ensuring a good cooling effect.

[0049] Furthermore, the main cutting edge 30 and the secondary cutting edge 70 are in a positive and negative intersection form. It can be understood that by adopting the positive and negative intersection form, the tool marks formed by any single form of processing aperture can be solved.

[0050] The utility model has the following beneficial effects:

[0051] The present application can solve the problems of burrs, hole roundness, cylindricity, etc. in processing step-difference valve core holes; as well as reduce the scrap rate of defective products, and make the processing more stable and the tool life longer.

[0052] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings; however, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various equivalent transformations can be made to the technical scheme of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. A multi-blade combination valve core hole reamer, characterized in that: include: Handle; A knife head connected to one end of the knife handle; A plurality of main cutting edges are arranged at the main groove of the cutter head away from one end of the cutter handle and are arranged along the circumference of the cutter head; A transition edge is disposed on the cutter head and is adjacent to the main cutting edge; A guide portion, obliquely arranged on the cutter head; and A plurality of secondary cutting edges are arranged at the secondary groove of the cutter head and are arranged adjacent to the primary cutting edge; Wherein, the main cutting edge and the auxiliary cutting edge are in the form of multiple blades, so that the valve core hole reamer forms a multi-blade combination form.

2. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The main cutting edge adopts the chip removal mode of left-hand rotation and right-hand cutting.

3. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The auxiliary cutting edge is in the form of a straight groove and a right-handed form.

4. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The main cutting edge and the secondary cutting edge are respectively 8-edged, 10-edged or 12-edged.

5. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The main cutting edge and the guide portion are located in the same groove.

6. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The length of the main cutting edge is 10-15 mm.

7. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The auxiliary groove is provided with a cutting edge inner cooling hole.

8. The multi-blade combination valve core hole reamer according to claim 7, characterized in that: A plurality of guide inner cooling holes are arranged at intervals on the guide portion.

9. The multi-blade combination valve core hole reamer according to claim 8, characterized in that: The cutting edge inner cooling hole and the guide inner cooling hole are staggered and asymmetrically arranged.

10. The multi-blade combination valve core hole reamer according to claim 1, characterized in that: The main cutting edge and the auxiliary cutting edge are in a positive and negative intersection form.

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