Adjustable chamfering device for gear milling cutter

Abstract

The utility model discloses an adjustable chamfering device of a gear milling cutter. The gear milling cutter adjustable chamfering device comprises a cutter body, a cutter clamp, a positioning assembly and an adjusting assembly, the cutter clamp is adjustably arranged on the cutter body through the adjusting assembly, the positioning assembly is arranged on the cutter body to position the adjusting assembly, the positioning assembly comprises a positioning block and a positioning bolt, and the positioning block is fixed through the positioning bolt; the adjusting assembly comprises an adjusting bolt, a locking nut and a fixing bolt, the adjusting bolt is adjusted through the locking nut, and the fixing bolt is used for fixing the tool holder and the tool body; a positioning groove is formed in the left side of the cutter body, an adjusting groove is formed in the right side of the cutter body, and the positioning groove and the adjusting groove are separated through a mounting plate. According to the utility model, the processing effect is effectively improved, the processing time is saved, the labor intensity of workers is reduced, and meanwhile, the production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chamfering, and in particular relates to an adjustable chamfering device for a gear milling cutter. Background Art

[0002] Gear milling is a common method for gear processing. Both the inner ring gear and the outer gear can be processed by gear milling cutters. After gear milling, heat treatment processes such as carburizing, quenching or nitriding are generally performed. This requires that the workpiece is not allowed to have sharp edges and corners after gear milling to prevent local cracks during heat treatment. The top of the tooth is a sharp corner after gear milling.

[0003] The processing technology of the existing technology is manual grinding by fitters, and the sharp corners of the teeth are removed one by one by an electric angle grinder. The workload of fitters is large, and the grinding dust is harmful to the human body. Since the number of teeth on the inner ring workpiece is large, it causes a huge workload. It takes a long time to chamfer by fitters, which seriously affects the processing progress. Utility Model Content

[0004] In order to solve some or all of the technical problems existing in the above-mentioned prior art, the utility model provides an adjustable chamfering device for a gear milling cutter, comprising a cutter body, a cutter clamp, a positioning assembly and an adjustment assembly, wherein the cutter clamp is adjustably arranged on the cutter body through the adjustment assembly, and the positioning assembly is arranged on the cutter body to position the adjustment assembly, wherein:

[0005] The positioning assembly comprises a positioning block and a positioning bolt, and the positioning block is fixed by the positioning bolt;

[0006] The adjustment assembly comprises an adjustment bolt, a locking nut and a fixing bolt, wherein the adjustment bolt is adjusted by the locking nut, and the fixing bolt is used to fix the tool holder to the tool body;

[0007] A positioning groove is arranged on the left side of the knife body, and an adjustment groove is arranged on the right side of the knife body. The positioning groove and the adjustment groove are separated by a mounting plate.

[0008] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a mounting hole is provided in the middle of the mounting plate, the adjusting bolt matches the mounting hole, the adjusting bolt passes through the mounting hole and the locking nut in sequence, and the adjusting bolt engages with the locking nut.

[0009] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, the tool holder is provided with a threaded connection hole at one end corresponding to the tool head, the threaded connection hole matches the adjustment bolt, and the adjustment bolt is connected to the tool holder through the threaded connection hole.

[0010] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a fixing threaded hole is provided in the middle of the adjustment groove, an adjustment hole is provided in the middle of the tool holder, and the fixing bolt passes through the adjustment hole and engages with the fixing threaded hole.

[0011] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a positioning threaded hole is provided in the middle of the positioning groove, a positioning hole is provided in the middle of the positioning block, and the positioning bolt passes through the positioning hole and engages with the positioning threaded hole.

[0012] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, positive and negative engraved lines are provided on both sides of the adjustment groove.

[0013] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, the top of the adjusting bolt and the locking nut are both provided with a rotating hole around the circumference.

[0014] The adjustable chamfering device for gear milling cutter of the utility model has the following advantages and beneficial effects:

[0015] The overall structure is simple. By utilizing a gear milling cutter, the chamfering function is added without affecting the original milling function and time. At the same time, it can be adjusted according to the chamfering size and has a locking device to effectively prevent the movement of the chamfering device due to vibration during processing, thereby effectively improving the processing effect, saving processing time, reducing the labor intensity of workers, and effectively improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings in the following descriptions are only used to further understand the embodiments of the present invention and constitute a part of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the adjustable chamfering device for a gear milling cutter of the utility model;

[0018] Figure 2 for Figure 1 The sectional view along line AA shows the schematic diagram of the connection between the tool body and the tool holder;

[0019] Figure 3 It is a schematic diagram of the positioning assembly structure of the gear milling cutter adjustable chamfering device of the utility model, wherein a is a cross-sectional view of the positioning assembly, and b is a top view of the positioning assembly;

[0020] Figure 4It is a schematic diagram of the structure of the adjusting bolt of the adjustable chamfering device of the gear milling cutter of the utility model, wherein a is a top view of the adjusting bolt, and b is a front view of the adjusting bolt;

[0021] Figure 5 The utility model is a schematic diagram of the tool holder structure of the gear milling cutter adjustable chamfering device, wherein a is a sectional view of the tool holder and b is a front view of the tool holder.

[0022] Description of reference numerals:

[0023] 1: cutter body, 11: positioning slot, 12: positioning threaded hole, 13: adjustment slot, 14: fixing threaded hole, 15: mounting plate, 16: mounting hole, 17: positive and negative engraved lines;

[0024] 2: tool holder, 21: threaded connection hole, 22: adjustment hole;

[0025] 3: positioning assembly, 31: positioning block, 32: positioning hole, 33: positioning bolt;

[0026] 4: adjustment assembly, 41: adjustment bolt, 42: locking nut, 43: fixing bolt, 44: rotation hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] like Figures 1 to 5 As shown, the adjustable chamfering device of the gear milling cutter of the utility model comprises a cutter body 1, a cutter clamp 2, a positioning assembly 3 and an adjustment assembly 4, the cutter clamp 2 is adjustably arranged on the cutter body 1 through the adjustment assembly 4, and the positioning assembly 3 is arranged on the cutter body 1 to position the adjustment assembly 4, wherein:

[0029] The positioning assembly 3 includes a positioning block 31 and a positioning bolt 33, and the positioning block 31 is fixed by the positioning bolt 33;

[0030] The adjustment assembly 4 includes an adjustment bolt 41, a locking nut 42 and a fixing bolt 43. The adjustment bolt 41 is adjusted by tightening the locking nut, and the fixing bolt 43 is used to fix the tool holder 2 to the tool body 1;

[0031] A positioning groove 11 is provided on the left side of the blade body 1 , and an adjusting groove 13 is provided on the right side of the blade body 1 . The positioning groove 11 and the adjusting groove 13 are separated by a mounting plate 15 .

[0032] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a mounting hole 16 is provided in the middle of the mounting plate 15, and the adjusting bolt 41 matches the mounting hole 16. The adjusting bolt 41 passes through the mounting hole 16 and the locking nut in sequence, and the adjusting bolt 41 is meshed with the locking nut. The adjusting bolt 41 is locked on the mounting plate 15 through the cooperation between the adjusting bolt 41 and the locking nut, thereby effectively ensuring that the tool holder 2 will not move during the processing process.

[0033] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a threaded connection hole 21 is provided at one end of the tool holder 2 corresponding to the tool head, and the threaded connection hole 21 matches the adjusting bolt 41. The adjusting bolt 41 is connected to the tool holder 2 through the threaded connection hole 21, so that the tool holder 2 can adjust the chamfer size by adjusting the adjusting bolt 41.

[0034] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a fixed threaded hole 14 is provided in the middle of the adjustment groove 13, and an adjustment hole 22 is provided in the middle of the tool clamp 2. The fixing bolt 43 passes through the adjustment hole 22 and engages with the fixed threaded hole 14. The tool clamp 2 is fixed by the fixing bolt 43, and the adjustment hole 22 is a long hole type, thereby ensuring that the tool clamp 2 can be effectively adjusted.

[0035] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a positioning threaded hole 12 is provided in the middle of the positioning groove 11, and a positioning hole 32 is provided in the middle of the positioning block 31. The positioning bolt 33 passes through the positioning hole 32 and engages with the positioning threaded hole 12, thereby effectively locking the adjustment bolt 41 through the positioning block 31 to prevent the adjustment bolt 41 from falling out.

[0036] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, positive and negative scale lines 17 are provided on both sides of the adjustment groove 13, thereby avoiding the tediousness of measuring through other measuring tools during adjustment, and the adjustment data can be accurately and intuitively understood, while ensuring the correct adjustment direction through positive and negative markings.

[0037] Furthermore, in the above-mentioned gear milling cutter adjustable chamfering device, a rotating hole 44 is provided around the top of the adjusting bolt 41 and the locking nut 42 in the circumferential direction. The adjusting bolt 41 and the locking nut can be adjusted by using a rod with a diameter smaller than the rotating hole 44. There is no need to reserve space for the wrench to move, which effectively reduces the overall volume and reduces the difficulty of operation.

[0038] Specifically, during installation, place the tool clamp 2 at the bottom of the adjustment slot 13 and screw the fixing bolt 43 into the fixing threaded hole 14, pass the adjusting bolt 41 through the mounting plate 15 from the direction of the adjustment slot 13, make the adjusting bolt 41 abut against the mounting plate 15, and screw the threaded end of the adjusting bolt 41 into the tool clamp 2 through the threaded connection hole 21, lock the adjusting bolt 41 and the mounting plate 15 by tightening the locking nut, install the positioning block 31 to the rear of the positioning slot 11 and tighten it by the positioning bolt 33, and the installation is completed.

[0039] When adjusting, loosen the fixing bolt 43 and the locking nut 42, insert a rod smaller than the diameter of the rotating hole 44 into the rotating hole 44, select the corresponding processing lines on both sides of the adjustment groove 13 according to the size of the tooth top chamfer in the drawing, and continuously rotate the adjusting bolt 41 to make the position mark of the tool holder 2 correspond to the corresponding line positions on both sides of the adjustment groove 13, lock the fixing bolt 43 and the locking nut 42, and the chamfering device adjustment is completed.

[0040] In summary, compared with the prior art, the gear milling cutter adjustable chamfering device of the utility model has the following advantages and

[0041] Beneficial effects:

[0042] The overall structure is simple. The chamfering function is added by utilizing a gear milling cutter without affecting the original milling function and time. At the same time, the adjustment can be made according to the chamfering size by cooperating with the adjusting bolt, the locking nut and the fixing bolt. The adjusting bolt is locked on the mounting plate by the locking nut, which effectively prevents the movement of the chamfering device caused by vibration during the processing, effectively improves the processing effect, saves processing time, reduces the labor intensity of workers, and effectively improves production efficiency.

[0043] It should be noted that, in this article, unless otherwise clearly specified and limited, the term "connection" or its synonyms should be understood in a broad sense. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. At the same time, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a process, method, article or device. In addition, "front", "back", "left", "right", "upper" and "lower" in this article are all referenced to the placement state shown in the accompanying drawings.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A gear milling cutter adjustable chamfering device, characterized in that: The gear milling cutter adjustable chamfering device comprises a cutter body, a cutter clamp, a positioning assembly and an adjustment assembly, wherein the cutter clamp is adjustably arranged on the cutter body through the adjustment assembly, and the positioning assembly is arranged on the cutter body to position the adjustment assembly, wherein: The positioning assembly comprises a positioning block and a positioning bolt, and the positioning block is fixed by the positioning bolt; The adjustment assembly comprises an adjustment bolt, a locking nut and a fixing bolt, wherein the adjustment bolt is adjusted by the locking nut, and the fixing bolt is used to fix the tool holder to the tool body; A positioning groove is arranged on the left side of the knife body, and an adjustment groove is arranged on the right side of the knife body. The positioning groove and the adjustment groove are separated by a mounting plate.

2. The gear milling cutter adjustable chamfering device according to claim 1, characterized in that: A mounting hole is provided in the middle of the mounting plate, the adjusting bolt matches the mounting hole, the adjusting bolt passes through the mounting hole and the locking nut in sequence, and the adjusting bolt is meshed with the locking nut.

3. The adjustable chamfering device for a gear milling cutter according to claim 1, characterized in that: A threaded connection hole is provided at one end of the tool holder corresponding to the tool head, the threaded connection hole matches the adjusting bolt, and the adjusting bolt is connected to the tool holder through the threaded connection hole.

4. The gear milling cutter adjustable chamfering device according to claim 1, characterized in that: A fixing threaded hole is arranged in the middle of the adjustment groove, an adjustment hole is arranged in the middle of the tool holder, and the fixing bolt passes through the adjustment hole and engages with the fixing threaded hole.

5. The gear milling cutter adjustable chamfering device according to claim 1, characterized in that: A positioning threaded hole is arranged in the middle of the positioning groove, a positioning hole is arranged in the middle of the positioning block, and the positioning bolt passes through the positioning hole and engages with the positioning threaded hole.

6. The gear milling cutter adjustable chamfering device according to claim 1, characterized in that: Positive and negative engraved lines are arranged on both sides of the adjustment slot.

7. The gear milling cutter adjustable chamfering device according to claim 1, characterized in that: The top of the adjusting bolt and the locking nut are both circumferentially provided with rotation holes.

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