Through hole chamfering cutter

Abstract

The utility model provides a through hole chamfering cutter. The through hole chamfering cutter comprises a cutter handle, a cutter bar, a first chamfering cutter body and a second chamfering cutter body. The cutter bar is connected to the cutter handle, and the first connecting part and the second connecting part are arranged in the length direction of the cutter bar and have a position difference; the chip removal part is located between the first connecting part and the second connecting part and communicates with the first connecting part and the second connecting part. The chip removal part is used for discharging machining chips of the workpiece to be machined; the first chamfering cutter is welded to the first connecting part and protrudes outwards; the second chamfering cutter is welded to the second connecting part and protrudes outwards; the second chamfering cutter and the first chamfering cutter are oppositely arranged, the second chamfering cutter and the first chamfering cutter are connected to the same cutter bar, and the two ends of the same through hole are chamfered so that the two ends of the same through hole can be chamfered through the second chamfering cutter and the first chamfering cutter. Chamfers at the upper end and the lower end of the through hole can be machined at the same time through one-time machining, the machining procedures of the through hole are reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of through-hole chamfering cutters, in particular to a through-hole chamfering cutter. Background Art

[0002] As competition in the automotive market intensifies, higher demands are being placed on the processing and assembly efficiency of automotive parts to enhance competitiveness. Automotive parts such as steering knuckles, bearing seats, crankshafts, and housings have numerous through-holes. During machining, both the upper and lower ends of these through-holes require chamfering. Existing tooling requires two chamfering cutters for segmented processing, requiring multiple steps and resulting in low processing efficiency. Utility Model Content

[0003] The object of the utility model is to provide a through-hole chamfering tool, wherein the tool rod is connected to the tool handle, and the tool rod and the tool handle are an integrated connection structure; the tool rod is provided with a chip removal part, a first connection part and a second connection part; the first connection part and the second connection part are arranged along the length direction of the tool rod and have a position difference; the chip removal part is between the first connection part and the second connection part, and is connected to the first connection part and the second connection part; the chip removal part is used to discharge the processing chips of the workpiece to be processed; the first chamfering tool is welded to the first connection part and protrudes outward; the second chamfering tool is welded to the second connection part and protrudes outward; the second chamfering tool is arranged opposite to the first chamfering tool, and the second chamfering tool and the first chamfering tool are connected to the same tool rod, and chamfering is performed on both ends of the same through hole, so that the second chamfering tool and the first chamfering tool can chamfer the two ends of the same through hole at the same time, thereby realizing that the chamfers of the upper and lower ends of the through hole can be processed at the same time in one processing, avoiding the need to use two chamfering tools for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a through-hole chamfering cutter for chamfering a through-hole of a workpiece to be processed, the through-hole chamfering cutter comprising:

[0005] Tool handle, used to connect external power parts;

[0006] A tool bar connected to the tool handle, the tool bar and the tool handle forming an integrated connection structure; the tool bar is provided with a chip removal portion, a first connection portion, and a second connection portion; the first connection portion and the second connection portion are arranged along the length direction of the tool bar and have a position difference; the chip removal portion is located between the first connection portion and the second connection portion and is in communication with the first connection portion and the second connection portion; the chip removal portion is used to discharge processing chips from the workpiece to be processed;

[0007] a first chamfering cutter, welded to the first connecting portion and protruding outward;

[0008] The second chamfering knife is welded to the second connecting portion and protrudes outward; the second chamfering knife is arranged opposite to the first chamfering knife, the second chamfering knife and the first chamfering knife are connected to the same knife rod, and chamfer the two ends of the same through hole.

[0009] Optionally, the first chamfering knife is provided with a first blade portion, and the second chamfering knife is provided with a second blade portion, and the first blade portion and the second blade portion are exposed to the external environment and protrude outward.

[0010] Optionally, the first blade portion and the second blade portion are arranged opposite to each other in the up-down direction.

[0011] Optionally, the first chamfering cutter and the second chamfering cutter are exposed to the chip removal portion, and discharge the processing chips of the workpiece to be processed to the chip removal portion.

[0012] Optionally, the chip removal portion is provided with a first chip removal groove, which is opened along the length direction of the tool rod and extends from one end of the tool rod to the first blade portion and the second blade portion.

[0013] Optionally, the first chip removal groove is arranged in a crescent shape; the first chip removal groove has a first opening, and the first opening is connected to the external environment.

[0014] Optionally, the chip removal portion is provided with a second chip removal groove, and the second chip removal groove is arranged on one side of the first chip removal groove and is located between the first blade portion and the second blade portion.

[0015] Optionally, the second chip removal groove is opened along the annular direction of the tool rod and is recessed inwardly.

[0016] Optionally, the second chip removal groove is an annular groove.

[0017] Optionally, the first chamfering knife and the second chamfering knife are a chamfering knife assembly, and there are multiple chamfering knife assemblies, and the multiple chamfering knife assemblies are arranged along the annular direction of the knife rod.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model provides a through-hole chamfering tool, wherein a tool rod is connected to a tool handle, and the tool rod and the tool handle are an integrated connection structure; the tool rod is provided with a chip removal part, a first connection part and a second connection part; the first connection part and the second connection part are arranged along the length direction of the tool rod and have a position difference; the chip removal part is between the first connection part and the second connection part, and is connected to the first connection part and the second connection part; the chip removal part is used to discharge processing chips of the workpiece to be processed; the first chamfering tool is welded to the first connection part and protrudes outward; the second chamfering tool is welded to the second connection part and protrudes outward; the second chamfering tool is arranged opposite to the first chamfering tool, and the second chamfering tool is connected to the same tool rod, and chamfers the two ends of the same through hole, so that the second chamfering tool and the first chamfering tool can chamfer the two ends of the same through hole at the same time, thereby realizing that the chamfers of the upper and lower ends of the through hole can be processed at the same time in one processing, avoiding the need to use two chamfering tools for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0021] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0022] Figure 1 A schematic diagram of a through-hole chamfering cutter according to the utility model of the present application is shown.

[0023] Figure 2 Shown Figure 1 A partial enlarged view of point A in the middle.

[0024] Figure 3 A front view of a through-hole chamfering cutter according to the utility model of the present application is shown.

[0025] Figure 4 A cross-sectional view of a through-hole chamfering cutter according to the utility model of the present application is shown.

[0026] Figure 5 A top view of a through-hole chamfering cutter according to the utility model of the present application is shown.

[0027] Reference numerals

[0028] 100. Through hole chamfering cutter;

[0029] 10. Knife handle;

[0030] 20. Tool bar; 21. Chip removal portion; 21a. First chip removal groove; 21b. First opening; 21c. Second chip removal groove; 22. First connecting portion; 23. Second connecting portion;

[0031] 30. First chamfering cutter; 31. First cutting edge;

[0032] 40. Second chamfering cutter; 41. Second cutting edge. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described 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 those skilled in the art without making creative efforts are within the scope of protection of this application.

[0034] Please refer to the attached Figures 1 to 5 The utility model provides a through hole chamfering tool 100, which is used to chamfer a through hole of a workpiece.

[0035] Please refer to the attached Figures 1 to 5 In the implementation of the present application, the through hole chamfering tool 100 includes a tool handle 10, a tool rod 20, a first chamfering tool 30 and a second chamfering tool 40. The tool rod 20 is connected to the tool handle 10, and the tool rod 20 and the tool handle 10 are an integrated connection structure; the tool rod 20 is provided with a chip removal portion 21, a first connection portion 22 and a second connection portion 23; the first connection portion 22 and the second connection portion 23 are arranged along the length direction of the tool rod 20 and have a position difference; the chip removal portion 21 is between the first connection portion 22 and the second connection portion 23, and is connected to the first connection portion 22 and the second connection portion 23; the chip removal portion 21 is used to discharge the processing chips of the workpiece to be processed; the first chamfering tool 30 is connected to the tool handle 10, and the tool rod 20 is connected to the tool handle 10 ... It is welded to the first connection part 22 and protrudes outward; the second chamfering knife 40 is welded to the second connection part 23 and protrudes outward; the second chamfering knife 40 is arranged opposite to the first chamfering knife 30, and the second chamfering knife 40 and the first chamfering knife 30 are connected to the same tool rod 20, and chamfering is performed on both ends of the same through hole, so that the second chamfering knife 40 and the first chamfering knife 30 can chamfer both ends of the same through hole, so that the chamfering of the upper and lower ends of the through hole can be simultaneously processed in one processing, avoiding the need to use two chamfering knives for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency.

[0036] Please refer to the attached Figure 1In the implementation of this application, the tool handle 10 is used to connect to an external power part so that the tool handle 10 is fixed to the external power part, thereby facilitating the connection between the through-hole chamfering cutter 100 and the external power part through the tool handle 10, and then facilitating the external power part to drive the through-hole chamfering cutter 100 for processing.

[0037] Please refer to the attached Figures 1 to 4 In the implementation of this application, the shank 20 is disposed at the end of the shank 10 that faces away from the connection with the external power member. The shank 20 is connected to the shank 10. The shank 20 and the shank 10 form an integrated connection structure, which ensures the connection strength between the shank 20 and the shank 10, improves the connection stability between the shank 20 and the shank 10, and avoids breakage at the connection between the shank 20 and the shank 10. The shank 20 is provided with a chip removal portion 21, a first connection portion 22, and a second connection portion 23; the first connection portion 22 is disposed on the side of the second connection portion 23 that faces away from the shank 10. The first connection portion 22 and the second connection portion 23 are arranged along the length of the shank 20 and have a position difference so that there is a height difference between the first connection portion 22 and the second connection portion 23. The chip removal portion 21 is located between the first connection portion 22 and the second connection portion 23, and is connected to the first connection portion 22 and the second connection portion 23; the chip removal portion 21 is used to discharge the processing chips of the workpiece to be processed, so as to discharge the processing chips, avoid the blockage of the processing chips, and improve the processing accuracy of the through-hole chamfering cutter 100.

[0038] Please refer to the attached Figures 1 to 4 In the implementation of this application, the first chamfering knife 30 is arranged relative to the first connecting part 22, the first chamfering knife 30 is welded to the first connecting part 22, and protrudes outward, so that the first chamfering knife 30 is fixed to the first connecting part 22, thereby facilitating the first chamfering knife 30 to be connected to the knife rod 20 through the first connecting part 22, and the first chamfering knife 30 is used to chamfer one end of the through hole.

[0039] Please refer to the attached Figures 1 to 4 In the implementation of this application, the second chamfering knife 40 is arranged relative to the second connecting portion 23. The second chamfering knife 40 is welded to the second connecting portion 23 and protrudes outward, so that the second chamfering knife 40 is fixed to the second connecting portion 23, thereby facilitating the second chamfering knife 40 to be connected to the knife bar 20 through the second connecting portion 23. The second chamfering knife 40 is used to chamfer the other end of the through hole. The second chamfering knife 40 is arranged relative to the first chamfering knife 30. The second chamfering knife 40 and the first chamfering knife 30 are connected to the same knife bar 20, and chamfer the two ends of the same through hole, so that the second chamfering knife 40 and the first chamfering knife 30 can chamfer the two ends of the same through hole at the same time, thereby achieving a one-time processing to simultaneously chamfer the upper and lower ends of the through hole, avoiding the need to use two chamfering knives for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency.

[0040] Please refer to the attached Figures 1 to 4 The first chamfering tool 30 is provided with a first blade portion 31, and the second chamfering tool 40 is provided with a second blade portion 41. The first blade portion 31 and the second blade portion 41 are exposed to the external environment and protrude outward. The second blade portion and the first blade portion 31 are arranged relative to each other, so that the second chamfering tool 40 and the first chamfering tool 30 can chamfer the two ends of the same through hole through the second blade and the first blade portion 31, so that the chamfers of the upper and lower ends of the through hole can be processed at the same time in one processing, avoiding the need to use two chamfering tools for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency.

[0041] Please refer to the attached Figures 1 to 4 The first blade portion 31 and the second blade portion 41 are arranged relative to each other in the up-down direction so that there is a height difference between the first blade portion 31 and the second blade portion 41, thereby facilitating the first blade portion 31 and the second blade portion 41 to be arranged relative to the two ends of the through hole respectively, so that the first blade portion 31 and the second blade portion 41 can chamfer the two ends of the same through hole.

[0042] Please refer to the attached Figures 1 to 4 The first chamfering cutter 30 and the second chamfering cutter 40 are exposed to the chip removal portion 21, and discharge the processing chips of the workpiece to be processed to the chip removal portion 21, so that the first chamfering cutter 30 and the second chamfering cutter 40 can discharge the processing chips of the workpiece to be processed along the chip removal portion 21 to realize the transfer of processing chips, avoid the blockage of the chip removal portion 21, prevent the processing chips from affecting the chamfering size of the through hole, and improve the processing accuracy of the through hole chamfering cutter 100.

[0043] Please refer to the attached Figures 1 to 4 The chip removal portion 21 is provided with a first chip removal groove 21a, which is recessed from the outside to the inside by the tool rod 20. The first chip removal groove 21a is opened along the length direction of the tool rod 20 and extends from one end of the tool rod 20 to the first blade portion 31 and the second blade portion 41, so that the first blade portion 31 and the second blade portion 41 can accommodate the chips after processing the workpiece in the first chip removal groove 21a, thereby facilitating the discharge of the chips to the external environment along the inner side wall of the first chip removal groove 21a, and further facilitating the chip removal portion 21 to discharge the chips through the first chip removal groove 21a.

[0044] Please refer to the attached Figures 1 to 4 The first chip groove 21a is arranged in a crescent shape; the first chip groove 21a has a first opening 21b, and the first opening 21b is connected to the external environment so that the processing chips in the first chip groove 21a flow to the external environment through the first opening 21b, thereby facilitating the discharge of processing chips to the external environment.

[0045] Please refer to the attached Figures 1 to 4The chip removal portion 21 is provided with a second chip removal groove 21c, which is arranged on one side of the first chip removal groove 21a and between the first blade portion 31 and the second blade portion 41, so that the first blade portion 31 and the second blade portion 41 can accommodate the chips after processing the workpiece in the second chip removal groove 21c, and the second chip removal groove 21c is connected to the first chip removal groove 21a, so that the chips in the second chip removal groove 21c can flow to the first chip removal groove 21a, thereby facilitating the discharge of the chips in the second chip removal groove 21c to the external environment through the first chip removal groove 21a, so as to realize the discharge of chips.

[0046] Please refer to the attached Figures 1 to 4 The second chip removal groove 21c is formed along the annular direction of the tool bar 20 and is recessed inwardly so that the second chip removal groove 21c cooperates with the first chip removal groove 21a to surround the peripheral side wall of the tool bar 20, thereby facilitating that the chips processed by the first cutting edge portion 31 and the second cutting edge portion 41 from the workpiece are both accommodated in the second chip removal groove 21c and the first chip removal groove 21a, so that the chips in the second chip removal groove 21c are discharged to the external environment through the first chip removal groove 21a, or the chips in the first chip removal groove 21a are directly discharged to the external environment. Optionally, the second chip removal groove 21c is an annular groove.

[0047] Please refer to the attached Figure 5 The first chamfering knife 30 and the second chamfering knife 40 are a chamfering knife assembly, which has multiple chamfering knife assemblies. The multiple chamfering knife assemblies are arranged along the annular direction of the tool rod 20. By arranging multiple chamfering knife assemblies, the chamfering efficiency of the chamfering knife assembly relative to the through hole is increased, thereby further improving the working efficiency of the through hole chamfering knife 100.

[0048] Compared with the prior art, the beneficial effects of the present invention are:

[0049] The utility model provides a through hole chamfering tool 100, wherein a tool rod 20 is connected to a tool handle 10, and the tool rod 20 and the tool handle 10 are an integrated connection structure; the tool rod 20 is provided with a chip removal portion 21, a first connection portion 22 and a second connection portion 23; the first connection portion 22 and the second connection portion 23 are arranged along the length direction of the tool rod 20 and have a position difference; the chip removal portion 21 is located between the first connection portion 22 and the second connection portion 23 and is connected to the first connection portion 22 and the second connection portion 23; the chip removal portion 21 is used to discharge the processing chips of the workpiece to be processed; the first chamfering tool 30 is welded to the first connection portion 22 and is welded to the first connection portion 22. The second chamfering knife 40 is welded to the second connecting portion 23 and protrudes outward; the second chamfering knife 40 is arranged opposite to the first chamfering knife 30, and the second chamfering knife 40 and the first chamfering knife 30 are connected to the same tool rod 20, and chamfering processing is performed on both ends of the same through hole, so that the second chamfering knife 40 and the first chamfering knife 30 can chamfer both ends of the same through hole, realizing that the chamfers of the upper and lower ends of the through hole can be processed at the same time in one processing, avoiding the need to use two chamfering knives for segmented processing when processing the upper and lower ends of the through hole, reducing the processing steps of the through hole, and improving work efficiency.

[0050] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0051] It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element through an intervening element.

[0052] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A through hole chamfering tool, characterized in that: The through hole chamfering tool is used for chamfering the through hole of the workpiece to be processed. The through hole chamfering tool comprises: Tool handle, used to connect external power parts; A tool bar connected to the tool handle, the tool bar and the tool handle forming an integrated connection structure; the tool bar is provided with a chip removal portion, a first connection portion, and a second connection portion; the first connection portion and the second connection portion are arranged along the length direction of the tool bar and have a position difference; the chip removal portion is located between the first connection portion and the second connection portion and is in communication with the first connection portion and the second connection portion; the chip removal portion is used to discharge processing chips from the workpiece to be processed; a first chamfering cutter, welded to the first connecting portion and protruding outward; The second chamfering knife is welded to the second connecting portion and protrudes outward; the second chamfering knife is arranged opposite to the first chamfering knife, the second chamfering knife and the first chamfering knife are connected to the same knife rod, and chamfer the two ends of the same through hole.

2. The through hole chamfering cutter according to claim 1, characterized in that: The first chamfering knife is provided with a first blade portion, and the second chamfering knife is provided with a second blade portion. The first blade portion and the second blade portion are exposed to the external environment and protrude outward.

3. The through hole chamfering cutter according to claim 2, characterized in that: The first blade portion and the second blade portion are arranged opposite to each other in the up-down direction.

4. The through hole chamfering cutter according to claim 2, characterized in that: The first chamfering cutter and the second chamfering cutter are exposed to the chip removal portion and discharge chips of the workpiece to be processed toward the chip removal portion.

5. The through hole chamfering cutter according to claim 4, characterized in that: The chip removal portion is provided with a first chip removal groove, which is opened along the length direction of the tool rod and extends from one end of the tool rod to the first blade portion and the second blade portion.

6. The through hole chamfering cutter according to claim 5, characterized in that: The first chip removal groove is arranged in a crescent shape; the first chip removal groove has a first opening, and the first opening is connected to the external environment.

7. The through hole chamfering cutter according to claim 5, characterized in that: The chip removal portion is provided with a second chip removal groove, which is arranged on one side of the first chip removal groove and is located between the first blade portion and the second blade portion.

8. The through hole chamfering cutter according to claim 7, characterized in that: The second chip removal groove is opened along the annular direction of the tool rod and is recessed inwardly.

9. The through hole chamfering cutter according to claim 8, characterized in that: The second chip removal groove is an annular groove.

10. The through hole chamfering cutter according to claim 1, characterized in that: The first chamfering knife and the second chamfering knife form a chamfering knife assembly. There are multiple chamfering knife assemblies, and the multiple chamfering knife assemblies are arranged along the annular direction of the knife rod.

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