Chamfering tool rest

Abstract

The utility model relates to a chamfering knife rest which is used for installing a chamfering knife head, the chamfering knife rest comprises a knife disc, an installation part and a pressing and positioning assembly, the knife disc comprises a first end and a second end which are oppositely arranged, the first end is used for being connected with a main shaft of a machine tool, and a plurality of sliding grooves which are distributed in an array mode in the circumferential direction of the knife disc are formed in the end face of the second end. The number of the mounting parts is in one-to-one correspondence with the number of the sliding grooves, the mounting parts are arranged in the sliding grooves, the distance between the mounting parts and the axis of the cutter head is adjustable, and mounting grooves are formed in the mounting parts and used for mounting chamfering tool bits; the pressing and positioning assembly is arranged in the mounting piece and can be connected with the chamfering tool bit in a clamped mode so that the chamfering tool bit can be positioned and clamped in the mounting groove. Through the structural form, the chamfering tool rest has the advantages that the chamfering tool is convenient to disassemble and assemble, and the chamfering tool rest is suitable for chamfering workpieces with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing tools, in particular to a chamfering tool holder. Background Art

[0002] The chamfering tool is a tool specially used for chamfering workpieces, and the chamfering tool holder is a machine tool accessory used to achieve the mechanical connection between the machine tool and the chamfering tool. The chamfering tool holder can be installed on the chamfering machine, and after being driven to rotate, the chamfering process of the end of the pipe fitting can be performed through the tool head on the chamfering tool holder.

[0003] At present, the chamfering tool holder is mostly fixed with screws for installing the tool head. During the process of replacing the tool head, the screws need to be loosened for disassembling the tool head. After disassembly, when installing a new tool head, the screws need to be tightened, which requires manual rotation and tightening of the screws repeatedly, especially for the tool head structure that is fixed with multiple screws, which makes the replacement and installation of the tool head inconvenient, affecting work efficiency. Utility Model Content

[0004] Based on this, it is necessary to provide a chamfering tool holder to address the technical problem of inconvenient installation of the chamfering tool holder head in the prior art.

[0005] A chamfering tool holder is used to install a chamfering tool head, and the chamfering tool holder comprises:

[0006] A cutter disc, the cutter disc comprising a first end and a second end arranged opposite to each other, the first end being used to be connected to a spindle of a machine tool, and a plurality of slide grooves distributed in an array along a circumferential direction of the cutter disc are arranged on an end surface of the second end;

[0007] A mounting member, the number of which corresponds to the number of the slide grooves, the mounting member is arranged in the slide groove, the distance between the mounting member and the axis of the cutter disc is adjustable, and a mounting groove is arranged on the mounting member, and the mounting groove is used to install the chamfering cutter head;

[0008] The clamping and positioning assembly is arranged in the mounting member and can be clamped with the chamfering cutter head to position and clamp the chamfering cutter head in the mounting groove.

[0009] In one of the embodiments, a guide groove is provided on the mounting member, the extension direction of the guide groove is perpendicular to the depth direction of the mounting groove, and the guide groove is communicated with the mounting groove; the clamping positioning assembly includes a first clamping assembly, the first clamping assembly is slidably arranged in the guide groove, a clamping groove is provided on one side of the chamfering cutter head, and the first clamping assembly is clamped with the clamping groove under the action of elastic force.

[0010] In one embodiment, the guide groove includes a first groove section and a second groove section, the cross-sectional size of the first groove section is smaller than the cross-sectional size of the second groove section, and the first clamping assembly includes:

[0011] A clamping column, slidably disposed in the guide groove;

[0012] A first elastic member is sleeved on the clamping column and is located in the second slot section, one end of the first elastic member abuts against an end wall of the second slot section, and the other end of the first elastic member is fixedly connected to the clamping column;

[0013] Wherein, when the chamfering cutter head is installed in the installation groove, the clamping column is clamped in the clamping groove of the chamfering cutter head under the elastic force of the first elastic member.

[0014] In one embodiment, the clamping column is a square column, and the first slot section is a square slot.

[0015] In one embodiment, a guide groove is provided at the end of the mounting member away from the mounting groove, the guide groove is connected to the guide groove, and the extension square of the guide groove is perpendicular to the extension direction of the guide groove; the chamfering tool holder also includes:

[0016] A guide post is disposed in the guide groove, and an extending direction of the guide post is consistent with an extending direction of the guide groove;

[0017] A first iron block is fixedly connected to one end of the guide post and fixed in the guide groove;

[0018] A second iron block is fixedly connected to the other end of the guide post and fixed in the guide groove;

[0019] A permanent magnet is sleeved on the guide column and can move along the axial direction of the guide column to be attracted to the first iron block so as to be aligned with the guide groove; or move along the axial direction of the guide column to be attracted to the second iron block so as to be offset from the guide groove;

[0020] Wherein, when the permanent magnet is aligned with the guide groove, the clamping column moves toward the direction approaching the permanent magnet under the magnetic attraction of the permanent magnet until it is separated from the chamfering cutter head.

[0021] In one embodiment, the clamping and positioning assembly further includes a second clamping assembly, and the second clamping assembly includes:

[0022] A pressure plate, arranged at one end of the mounting groove facing the groove bottom;

[0023] A guide column, fixedly connected to the pressure plate;

[0024] A second elastic member is sleeved on the guide column, and two ends of the second elastic member are respectively pressed against the pressure plate and the bottom of the installation groove;

[0025] Wherein, the pressure plate abuts against the bottom of the chamfering cutter head under the elastic force of the second elastic member.

[0026] In one embodiment, the chamfering tool holder further includes a distance adjustment mechanism, and the distance adjustment mechanism includes:

[0027] A drive assembly connected to the chassis;

[0028] The number of adjusting components corresponds to the number of the mounting components, one end of each adjusting component is fixedly connected to the mounting component, and the other end of the adjusting component is linked to the driving component;

[0029] Wherein, under the drive of the driving assembly, each of the mounting parts can be driven by the adjusting assembly to move towards or away from the axis of the cutter disc at the same time.

[0030] In one embodiment, the bottom of each mounting groove on the cutter disc is provided with a limiting groove connected to the mounting groove; each adjustment component includes:

[0031] A transmission rod is rotatably disposed in the limiting groove;

[0032] A limiting nut block is threadedly connected to the transmission rod, and the limiting nut block is fixedly connected to the mounting member;

[0033] A mounting plate is arranged in the limiting groove, and the transmission rod is rotatably connected to the mounting plate;

[0034] Among them, the transmission rod is transmission connected to the driving assembly, the limiting groove limits the limiting nut block, and the transmission rod rotates under the drive of the driving assembly to drive the limiting nut block to move in the limiting groove along the axis of the transmission rod.

[0035] In one embodiment, one end of the transmission rod is fixedly connected to a first bevel gear, and the driving assembly includes:

[0036] a first rotating shaft, the number of which corresponds to the number of the adjusting components, the rotating shaft being rotatably connected to the cutter disc, the axis of the first rotating shaft being perpendicular to the axis of the transmission rod;

[0037] A second bevel gear, fixedly connected to one end of the first rotating shaft and meshing with the first bevel gear;

[0038] Wherein, when the first rotating shaft rotates, the first bevel gear rotates under the action of the second bevel gear, and drives the transmission shaft to rotate.

[0039] In one embodiment, the drive assembly further comprises:

[0040] A second rotating shaft rotatably connected to the cutter disc;

[0041] A driving gear, fixedly connected to one end of the second rotating shaft;

[0042] A driven gear, fixedly connected to one end of the first rotating shaft away from the second bevel gear, the number of the driven gears corresponds to the number of the first rotating shafts, and the driven gear is meshed with the driving gear;

[0043] A fastening nut is threadedly connected to the second rotating shaft to lock the rotation of the second rotating shaft relative to the cutter disc.

[0044] Beneficial effects of the utility model:

[0045] The utility model provides a chamfering tool holder for mounting a chamfering cutter head, wherein the first end of the cutter disc is used to connect to the main shaft of a machine tool, and a plurality of slide grooves distributed in an array along the axial direction of the cutter disc are provided on the end face of the second end of the cutter disc to accommodate a mounting member. The distance between the mounting member and the axis of the cutter disc is set in an adjustable form, so that the distance between the chamfering cutter head mounted on the mounting member and the axis of the cutter disc can be adjusted, so that the chamfering cutter head mounted on the chamfering tool holder can be suitable for chamfering workpieces of different sizes. Specifically, by providing a mounting groove on the mounting member, the chamfering cutter head is installed in the mounting groove to realize the connection between the mounting member and the chamfering cutter head. By providing a clamping positioning component in the mounting member, the clamping positioning component and the chamfering cutter head are clamped together, so that the chamfering cutter head is positioned and clamped in the mounting groove. Compared with the method of fixing by thread in the prior art, the clamping positioning component and the chamfering cutter head are clamped together in the present application, which has the advantage of easy disassembly and assembly. Through the above structural form, the chamfering tool holder has the advantage of being easy to disassemble and assemble the chamfering tool and being suitable for chamfering workpieces of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A schematic diagram of the overall structure of a chamfering cutter head provided in an embodiment of the utility model when the chamfering cutter head is close to the axis of the cutter disc;

[0047] Figure 2 A schematic diagram of the overall structure of a chamfering cutter head provided in an embodiment of the utility model when the chamfering cutter head is away from the axis of the cutter disc;

[0048] Figure 3 for Figure 2A is a schematic diagram of the enlarged structure of the middle part;

[0049] Figure 4 A cross-sectional view of a chamfering tool holder provided in one embodiment of the utility model;

[0050] Figure 5 for Figure 4 A schematic diagram of the enlarged structure of B;

[0051] Figure 6 A partial structural diagram of a second rotating shaft and a driving gear provided in one embodiment of the utility model.

[0052] Reference numerals:

[0053] The cutter disc 100; the slide groove 110; the mounting member 200; the mounting groove 210; the guide groove 220; the guide groove 230; the clamping and positioning assembly 300; the first clamping assembly 310; the clamping column 311; the first elastic member 312; the second clamping assembly 320; the pressure plate 321; the guide column 322; the second elastic member 323; the chamfering cutter head 400; the clamping groove 410; the guide column 510; the first iron block 520; the second iron block 530; the permanent magnet 540; the distance adjustment mechanism 600; the driving assembly 610; the transmission rod 611; the limiting nut block 612; the mounting plate 613; the first bevel gear 614; the driving assembly 620; the first rotating shaft 621; the second bevel gear 622; the second rotating shaft 623; the driving gear 624; the driven gear 625; the fastening nut 626. DETAILED DESCRIPTION

[0054] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0055] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0056] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0057] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0059] It should 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 a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0060] See also Figures 1 to 6, an embodiment of the utility model provides a chamfering tool holder for installing a chamfering cutter head 400, the chamfering tool holder includes a cutter disc 100, a mounting member 200 and a clamping and positioning assembly 300, the cutter disc 100 includes a first end and a second end arranged opposite to each other, the first end is used to be connected to the spindle of the machine tool, and a plurality of slide grooves 110 distributed in an array along the circumferential direction of the cutter disc 100 are arranged on the end surface of the second end; the number of the mounting member 200 and the slide grooves 110 corresponds one to one, the mounting member 200 is arranged in the slide groove 110, the distance between the mounting member 200 and the axis of the cutter disc 100 is adjustable, and the mounting member 200 is provided with a mounting groove 210, and the mounting groove 210 is used to install the chamfering cutter head 400; the clamping and positioning assembly 300 is arranged in the mounting member 200, and can be clamped with the chamfering cutter head 400 to position and clamp the chamfering cutter head 400 in the mounting groove 210.

[0061] The technical solution provides a chamfering tool holder for mounting a chamfering cutter head 400, wherein the first end of the cutter disc 100 is used to connect to the main shaft of the machine tool, and a plurality of slide grooves 110 are arranged on the end surface of the second end of the cutter disc 100 and are distributed in an array along the axial direction of the cutter disc 100, so as to accommodate the mounting member 200. The distance between the mounting member 200 and the axis of the cutter disc 100 is set to be adjustable, so that the distance between the chamfering cutter head 400 mounted on the mounting member 200 and the axis of the cutter disc 100 is adjustable, so that the chamfering cutter head 400 mounted on the chamfering tool holder can be suitable for chamfering workpieces of different sizes. Specifically, by providing a mounting groove 210 on the mounting member 200, the chamfering cutter head 400 is installed in the mounting groove 210 to realize the connection between the mounting member 200 and the chamfering cutter head 400. By setting a clamping and positioning assembly 300 in the mounting member 200, and clamping the clamping and positioning assembly 300 with the chamfering cutter head 400, the chamfering cutter head 400 is positioned and clamped in the mounting groove 210. Compared with the method of fixing by threads in the prior art, the clamping and positioning assembly 300 and the chamfering cutter head 400 are clamped in the present application, which has the advantage of being easy to disassemble and assemble. With the above structural form, the chamfering tool holder has the advantage of being easy to disassemble and assemble the chamfering tool, and is suitable for chamfering workpieces of different sizes.

[0062] It is understandable that there is no limit to the number of the slide slots 110 on the cutter head 100. Figure 1 and Figure 2 As shown, three slide grooves 110 are evenly distributed on the cutter disc 100. That is, three slide grooves 110 are arranged on one cutter disc 100, a mounting member 200 is arranged in each slide groove 110, and a chamfering cutter head 400 can be installed on each mounting member 200. That is, three chamfering cutter heads 400 can be installed on one chamfering cutter holder. Of course, in other embodiments, the number of slide grooves 110, mounting members 200, etc. can be set according to actual needs.

[0063] like Figure 5 As shown, in one of the embodiments, a guide groove 220 is provided on the mounting member 200, the extension direction of the guide groove 220 is perpendicular to the depth direction of the mounting groove 210, and the guide groove 220 is communicated with the mounting groove 210; the clamping and positioning assembly 300 includes a first clamping assembly 310, the first clamping assembly 310 is slidably arranged in the guide groove 220, and a clamping groove 410 is provided on one side of the chamfering cutter head 400, and the first clamping assembly 310 is clamped with the clamping groove 410 under the action of elastic force.

[0064] By setting a guide groove 220 on the mounting member 200, setting the guide groove 220 to be perpendicular to the mounting groove 210, and sliding the first clamping assembly 310 in the guide groove 220, and opening a clamping groove 410 on one side of the chamfering cutter head 400, the first clamping assembly 310 is clamped with the chamfering cutter head 400 under the action of elastic force, thereby limiting the chamfering cutter head 400 through the first clamping assembly 310, thereby preventing the chamfering cutter head 400 from being separated from the mounting groove 210.

[0065] like Figure 5 As shown, specifically, the guide groove 220 includes a first groove section and a second groove section, the cross-sectional size of the first groove section is smaller than the cross-sectional size of the second groove section, the first clamping assembly 310 includes a clamping column 311 and a first elastic member 312, the clamping column 311 is slidably arranged in the guide groove 220; the first elastic member 312 is sleeved on the clamping column 311 and is located in the second groove section, one end of the first elastic member 312 abuts against the end wall of the second groove section, and the other end of the first elastic member 312 is fixedly connected to the clamping column 311; wherein, when the chamfering cutter head 400 is installed in the mounting groove 210, the clamping column 311 is clamped in the clamping groove 410 of the chamfering cutter head 400 under the elastic force of the first elastic member 312.

[0066] In this embodiment, the cross-sectional dimension of the first slot section is set to be smaller than the cross-sectional dimension of the second slot section, so that the second slot section can accommodate the first elastic member 312 sleeved on the clamping column 311, and the first slot section can guide the movement of the clamping column 311. The first elastic member 312 is set as a spring, one end of the spring abuts against the end wall of the second slot section, and the other end is fixedly connected to the clamping column 311. When the chamfering cutter head 400 is installed in the installation groove 210, the spring is in a compressed state, so that the clamping column 311 always has a tendency to move in the direction close to the chamfering cutter head 400 under the action of the elastic force of the spring, so that in the absence of external force intervention, one end of the clamping column 311 is always clamped in the clamping groove 410 on the chamfering cutter head 400.

[0067] Of course, in other embodiments, a stop step protruding outward may be provided on the outer peripheral surface of one end of the clamping column 311 facing the chamfering cutter head 400, one end of the first elastic member 312 abuts against the bottom of the second groove section, and the other end of the first elastic member 312 abuts against the end surface of the stop step on the clamping column 311. In this way, the clamping column 311 is subjected to a force in the direction of the chamfering cutter head 400 by the elastic force of the first elastic member 312, so that the clamping column 311 is clamped with the clamping groove 410 of the chamfering cutter head 400.

[0068] Furthermore, the clamping column 311 is a square column, and the first groove section is a square groove. The first groove section is set as a square groove, and the clamping column 311 is set as a square body, so that the clamping column 311 is limited by the cooperation between the side groove wall of the first groove section and the clamping column 311, and the clamping column 311 is prevented from rotating around its own axial direction, so that the clamping column 311 can only move along the axial direction of the guide groove 220, thereby ensuring the reliability of the clamping column 311 limiting the chamfering cutter head 400.

[0069] like Figures 3 to 5 As shown, in one embodiment, a guide groove 230 is provided at the end of the mounting member 200 away from the mounting groove 210, the guide groove 230 is connected to the guide groove 220, and the extension square of the guide groove 230 is perpendicular to the extension direction of the guide groove 220; the chamfering tool holder also includes a guide column 510, a first iron block 520, a second iron block 530 and a permanent magnet 540, the guide column 510 is arranged in the guide groove 230, and the extension direction of the guide column 510 is consistent with the extension direction of the guide groove 230; the first iron block 520 is fixedly connected to one end of the guide column 510 and fixed in the guide groove 230; the second iron block 530 is fixedly connected to one end of the guide column 510 and fixed in the guide groove 230; The iron block 530 is fixedly connected to the other end of the guide column 510 and fixed in the guide groove 230; the permanent magnet 540 is sleeved on the guide column 510 and can move along the axial direction of the guide column 510 to be attracted to the first iron block 520 to align with the guide groove 220; or, move along the axial direction of the guide column 510 to be attracted to the second iron block 530 to be staggered with the guide groove 220; wherein, when the permanent magnet 540 is aligned with the guide groove 220, the clamping column 311 moves in the direction close to the permanent magnet 540 under the magnetic attraction force of the permanent magnet 540 until it is separated from the chamfering cutter head 400.

[0070] In this embodiment, the clamping post 311 is made of iron material so that the clamping post 311 can be attracted to the permanent magnet 540 . By moving the permanent magnet 540 in the guide groove 230, the permanent magnet 540 is aligned with the end of the guide groove 220, that is, aligned with the iron clamping center, and through the magnetic attraction of the permanent magnet 540, the clamping column 311 overcomes the elastic force of the first elastic member 312 and moves in the direction away from the chamfering cutter head 400, so that the end of the clamping column 311 is separated from the chamfering cutter head 400, so that the installation of the chamfering cutter head 400 can be automatically released, thereby realizing the removal of the chamfering cutter head 400; and during installation, it is only necessary to press the chamfering cutter head 400 into the installation groove 210, and then by moving the permanent magnet 540 to be in detail with the second iron block 530, the permanent magnet 540 is not aligned with the iron clamping column 311, and through the elastic force of the first elastic member 312, the iron clamping column 311 can be automatically driven to be inserted into the clamping groove 410 of the chamfering cutter head 400, so as to realize installation, and the overall installation operation is convenient.

[0071] like Figure 5 As shown, in one embodiment, the clamping and positioning assembly 300 also includes a second clamping assembly 320, and the second clamping assembly 320 includes a pressure plate 321, a guide column 322 and a second elastic member 323. The pressure plate 321 is arranged at one end of the mounting groove 210 facing the bottom of the groove; the guide column 322 is fixedly connected to the pressure plate 321; the second elastic member 323 is sleeved on the guide column 322, and the two ends of the second elastic member 323 are respectively pressed against the pressure plate 321 and the bottom of the mounting groove 210; wherein, the pressure plate 321 is abutted against the bottom of the chamfering cutter head 400 under the elastic force of the second elastic member 323.

[0072] The second clamping assembly 320 includes a pressure plate 321, a guide column 322 and a second elastic member 323. The pressure plate 321 is pressed to the bottom surface of the chamfering cutter head 400 by the second elastic member 323. A guide rod is fixedly installed on the bottom surface of the pressure plate 321, and the bottom end of the guide rod contacts the bottom wall of the mounting groove 210. The chamfering cutter head 400 is clamped laterally by the first clamping assembly 310, and the bottom surface of the chamfering cutter head 400 is clamped by the second clamping assembly 320, thereby realizing the clamping limit of the chamfering cutter head 400 in both directions; in the clamping state, the clamping column 311 and the clamping groove 410 on the chamfering cutter head 400 provide plug-in limit, thereby ensuring the mutual fixation between the chamfering cutter head 400 and the mounting member 200.

[0073] like Figure 4 and Figure 5As shown, in one embodiment, the chamfering tool holder also includes a distance adjusting mechanism 600, which includes a driving component 620610 and an adjusting component, wherein the driving component 620610 is connected to the chassis; the number of adjusting components corresponds to the number of mounting components 200, one end of each adjusting component is fixedly connected to the mounting component 200, and the other end of the adjusting component is linked to the driving component 620610; wherein, under the drive of the driving component 620610, each mounting component 200 can be driven by the adjusting component to move towards or away from the axis of the tool disc 100 at the same time.

[0074] By setting the number of adjustment components to correspond one-to-one with the number of mounting components 200, and fixing one end of the adjustment component to the mounting component 200, and linking the other end of the adjustment component to the drive component 620610, the drive component 620610 drives the adjustment component to move relative to the cutter disc 100, thereby driving the mounting component 200 to move, thereby realizing the adjustment of the distance between the mounting component 200 and the central axis of the cutter disc 100.

[0075] like Figure 4 and Figure 5 As shown, specifically, the bottom of each mounting groove 210 on the cutter disc 100 is provided with a limiting groove connected to the mounting groove 210; each adjustment component includes a transmission rod 611, a limiting nut block 612 and a mounting plate 613, the transmission rod 611 is rotatably arranged in the limiting groove; the limiting nut block 612 is threadedly connected to the transmission rod 611, and the limiting nut block 612 is fixedly connected to the mounting member 200; the mounting plate 613 is arranged in the limiting groove, and the transmission rod 611 is rotatably connected to the mounting plate 613; wherein, the transmission rod 611 is transmission-connected to the driving assembly 620610, the limiting groove limits the limiting nut block 612, and the transmission rod 611 rotates under the drive of the driving assembly 620610 to drive the limiting nut block 612 to move in the limiting groove along the axis of the transmission rod 611.

[0076] In this embodiment, the driving assembly 620610 drives the transmission rod 611 to rotate relative to the cutter disc 100. Since the limiting nut block 612 is threadedly connected to the transmission rod 611, when the transmission rod 611 rotates relative to the cutter disc 100, the limiting nut block 612 can only move along the axial direction of the transmission rod 611 under the limiting effect of the limiting groove. The mounting member 200 is fixedly connected to the limiting nut block 612, and the mounting member 200 moves along the axial direction of the transmission rod 611 under the drive of the limiting nut block 612. Thus, the movement of the mounting member 200 relative to the cutter disc 100 is realized, and then the distance between the mounting member 200 and the axis of the cutter disc 100 is adjusted.

[0077] like Figure 4 and Figure 5As shown, further, one end of the transmission rod 611 is fixedly connected to the first bevel gear 614, and the driving assembly 620610 includes a first rotating shaft 621 and a second bevel gear 622. The number of the first rotating shaft 621 corresponds to the number of the adjustment assembly one by one, and the rotating shaft is rotatably connected to the cutter disc 100. The axis of the first rotating shaft 621 is perpendicular to the axis of the transmission rod 611; the second bevel gear 622 is fixedly connected to one end of the first rotating shaft 621 and meshes with the first bevel gear 614; wherein, when the first rotating shaft 621 rotates, the first bevel gear 614 rotates under the action of the second bevel gear 622, and drives the transmission shaft to rotate. The driving assembly 620610 also includes a second rotating shaft 623, a driving gear 624, a driven gear 625 and a fastening nut 626. The second rotating shaft 623 is rotatably connected to the cutter disc 100; the driving gear 624 is fixedly connected to one end of the second rotating shaft 623; the driven gear 625 is fixedly connected to the end of the first rotating shaft 621 away from the second bevel gear 622, the number of the driven gears 625 corresponds to the number of the first rotating shaft 621, and the driven gear 625 is meshed with the driving gear 624; the fastening nut 626 is threadedly connected to the second rotating shaft 623 to lock the rotation of the second rotating shaft 623 relative to the cutter disc 100.

[0078] Specifically, the adjustment assembly also includes a mounting plate 613, the limiting groove is a strip groove, the mounting plate 613 is fixedly installed in the limiting groove, the transmission rod 611 is rotatably connected to the mounting plate 613, the limiting nut block 612 is threadedly movably connected to the transmission rod 611, the top surface of the limiting nut block 612 is fixedly connected to the bottom surface of the mounting member 200, and the end of the transmission rod 611 facing the mounting plate 613 is fixedly connected to a short shaft. The first bevel gear 614 is fixedly connected to the short shaft, the first bevel gear 614 is meshed with the second bevel paper wheel, the bottom of the second bevel gear 622 is fixedly connected to the first rotating shaft 621, and the first rotating shaft 621 is rotatably connected to the cutter disc 100 through a bearing. In this embodiment, the driving gear 624 and the driven gear 625 are both cylindrical gears. The end of the first rotating shaft 621 away from the second bevel gear 622 is fixedly connected to the driven gear 625, and the driven gear 625 is located below the cutter disc 100. The driving gear 624 meshes with the driven gear 625. A second rotating shaft 623 is fixedly mounted in the middle of the driving gear 624. One end of the second rotating shaft 623 is provided with a thread, which is used to cooperate with the fastening nut 626. A central hole is provided at the axis of the cutter head 100. The second rotating shaft 623 passes through the central hole. The cutter head 100 is arranged between the fastening nut 626 and the driving gear 624. The cutter head 100 is clamped between the locking nut and the driving gear 624 by tightening the fastening nut 626.

[0079] When it is necessary to adjust the distance between the chamfering cutter head 400 and the axis of the cutter disc 100, the fastening nut 626 is loosened so that the cutter disc 100 as a whole can rotate relative to the second rotating shaft 623. By rotating the cutter disc 100 or the second rotating shaft 623, all the driven gears 625 rotate around the driving gear 624, thereby rotating the first rotating shaft 621, and the first rotating shaft 621 drives the second bevel gear 622 to rotate. The first bevel gear 614 rotates under the action of the second bevel gear 622, thereby driving the transmission rod 611 to rotate relative to the cutter disc 100, and then the limiting nut block 612 moves along the axis of the transmission rod 611, thereby driving the mounting member 200 to slide along the length direction of the slide groove 110, thereby realizing the adjustment of the position of the mounting member 200, and then realizing the adjustment of the position of the chamfering cutter head 400.

[0080] After adjustment, the clamping nut 626 is tightened so that the clamping nut 626 and the driving gear 624 clamp the cutter disc 100, thereby clamping and fixing the cutter disc 100. This makes it impossible for the cutter disc 100 and the second rotating shaft 623 to rotate relative to each other, and makes it impossible to adjust the distance between the chamfering cutter head 400 and the axis in this state, thus ensuring stability after adjustment, i.e., in the chamfering processing state.

[0081] refer to Figures 1 to 6 The working principle of the chamfering tool holder provided by the utility model is as follows:

[0082] The second rotating shaft 623 is fixedly connected to the main shaft of the machine tool, and the second rotating shaft 623 is driven to rotate by the main shaft of the machine tool, so that the entire chamfering tool holder rotates together, so that the chamfering tool head 400 installed on the chamfering tool holder can make a circular motion together with the chamfering tool holder, thereby chamfering the end of the pipe fitting.

[0083] Compared with the traditional chamfering tool holder, the chamfering tool holder provided by the utility model is easy to replace, and the specific operation is as follows:

[0084] The permanent magnet 540 is pulled to slide in the guide groove 230, so that the permanent magnet 540 contacts the first iron block 520, and the two are magnetically positioned, and the permanent magnet 540 is aligned with the end of the clamping column 311, and the clamping column 311 is driven to move in the direction close to the permanent magnet 540 through the magnetic attraction force until the clamping column 311 contacts the permanent magnet 540. In this process, the end of the clamping column 311 is pulled out of the clamping groove 410 of the chamfering cutter head 400, and the compression amount of the first elastic member 312 is increased. The elastic force of the second elastic member 323 further drives the pressure plate 321 upward, and the chamfering cutter head 400 is pushed out of the installation groove 210, and the chamfering cutter head 400 is removed to complete the disassembly. Then, insert the new chamfering cutter head 400 from the installation slot 210, and press the pressure plate 321 through the chamfering cutter head 400, thereby compressing the second elastic member 323, until the end of the guide column 322 contacts the bottom surface of the installation slot 210, and maintain the above-mentioned downward pressure state, at this time, one end of the clamping column 311 is aligned with the clamping slot 410 on the chamfering cutter head 400, and then move the permanent magnet 540 in the guide slot 230 until the permanent magnet 540 contacts the second iron block 530, and the two are magnetically positioned, so that one end of the clamping column 311 loses magnetic attraction, and the clamping column 311 is driven by the compression elastic force of the first elastic member 312 to be inserted into the clamping slot 410 of the chamfering cutter head 400, and then the chamfering cutter head 400 is released, and the installation is completed. After installation, the first elastic member 312 and the second elastic member 323 are both in a compressed state, so that the chamfering cutter head 400 is clamped.

[0085] Furthermore, compared with the traditional chamfering tool holder, the axial distance between the chamfering tool head 400 and the tool disc 100 is adjustable, thereby meeting the processing requirements of pipes with different diameters. The specific adjustment is as follows:

[0086] Loosen the fastening nut 626 so that the second shaft 623 can rotate relative to the cutter disc 100, and then rotate the cutter disc 100 to make the cutter disc 100 and the second shaft 623 rotate relative to each other, thereby driving the driven gear 625 to rotate through the active gear 624, so that all the driven gears 625 rotate around the active gear 624, thereby making the first shaft 621 rotate, and the first shaft 621 drives the second bevel gear 622 to rotate, and the first bevel gear 614 rotates under the action of the second bevel gear 622, thereby driving the transmission rod 611 to rotate relative to the cutter disc 100, and then making the limiting nut block 612 move along the axis of the transmission rod 611, thereby driving the mounting member 200 to slide along the length direction of the slide groove 110, thereby realizing the adjustment of the position of the mounting member 200, and then realizing the adjustment of the position of the chamfering cutter head 400. After adjustment, the fastening nut 626 is tightened so that the fastening nut 626 and the driving gear 624 clamp the cutter disc 100, thereby clamping and fixing the cutter disc 100. As a result, the cutter disc 100 and the second rotating shaft 623 cannot rotate relative to each other, so that the distance between the chamfering cutter head 400 and the axis center cannot be adjusted in this state.

[0087] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0088] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A chamfering tool holder for mounting a chamfering tool head, characterized in that: The chamfering tool holder comprises: A cutter disc, the cutter disc comprising a first end and a second end arranged opposite to each other, the first end being used to be connected to a spindle of a machine tool, and a plurality of slide grooves distributed in an array along a circumferential direction of the cutter disc are arranged on an end surface of the second end; A mounting member, the number of which corresponds to the number of the slide grooves, the mounting member is arranged in the slide groove, the distance between the mounting member and the axis of the cutter disc is adjustable, and a mounting groove is arranged on the mounting member, and the mounting groove is used to install the chamfering cutter head; The clamping and positioning assembly is arranged in the mounting member and can be clamped with the chamfering cutter head to position and clamp the chamfering cutter head in the mounting groove.

2. The chamfering tool holder according to claim 1, characterized in that: A guide groove is provided on the mounting member, the extension direction of the guide groove is perpendicular to the depth direction of the mounting groove, and the guide groove is communicated with the mounting groove; the clamping and positioning assembly includes a first clamping assembly, the first clamping assembly is slidably arranged in the guide groove, a clamping groove is provided on one side of the chamfering cutter head, and the first clamping assembly is clamped with the clamping groove under the action of elastic force.

3. The chamfering tool holder according to claim 2, characterized in that: The guide groove includes a first groove section and a second groove section, the cross-sectional size of the first groove section is smaller than the cross-sectional size of the second groove section, and the first clamping assembly includes: A clamping column, slidably disposed in the guide groove; A first elastic member is sleeved on the clamping column and is located in the second slot section, one end of the first elastic member abuts against an end wall of the second slot section, and the other end of the first elastic member is fixedly connected to the clamping column; Wherein, when the chamfering cutter head is installed in the installation groove, the clamping column is clamped in the clamping groove of the chamfering cutter head under the elastic force of the first elastic member.

4. The chamfering tool holder according to claim 3, characterized in that: The clamping column is a square column, and the first slot section is a square slot.

5. The chamfering tool holder according to claim 3, characterized in that: The end of the mounting member away from the mounting groove is provided with a guide groove, the guide groove is connected with the guide groove, and the extension square of the guide groove is perpendicular to the extension direction of the guide groove; the chamfering tool holder also includes: A guide post is disposed in the guide groove, and an extending direction of the guide post is consistent with an extending direction of the guide groove; A first iron block is fixedly connected to one end of the guide post and fixed in the guide groove; A second iron block is fixedly connected to the other end of the guide post and fixed in the guide groove; A permanent magnet is sleeved on the guide column and can move along the axial direction of the guide column to be attracted to the first iron block so as to be aligned with the guide groove; or move along the axial direction of the guide column to be attracted to the second iron block so as to be offset from the guide groove; Wherein, when the permanent magnet is aligned with the guide groove, the clamping column moves toward the direction approaching the permanent magnet under the magnetic attraction of the permanent magnet until it is separated from the chamfering cutter head.

6. The chamfering tool holder according to claim 2, characterized in that: The clamping and positioning assembly further includes a second clamping assembly, wherein the second clamping assembly includes: A pressure plate, arranged at one end of the mounting groove facing the groove bottom; A guide column, fixedly connected to the pressure plate; A second elastic member is sleeved on the guide column, and two ends of the second elastic member are respectively pressed against the pressure plate and the bottom of the installation groove; Wherein, the pressure plate abuts against the bottom of the chamfering cutter head under the elastic force of the second elastic member.

7. The chamfering tool holder according to any one of claims 1 to 6, characterized in that: The chamfering tool holder also includes a distance adjustment mechanism, and the distance adjustment mechanism includes: A drive assembly connected to the cutter disc; The number of adjusting components corresponds to the number of the mounting components, one end of each adjusting component is fixedly connected to the mounting component, and the other end of the adjusting component is linked to the driving component; Wherein, under the drive of the driving assembly, each of the mounting parts can be driven by the adjusting assembly to move towards or away from the axis of the cutter disc at the same time.

8. The chamfering tool holder according to claim 7, characterized in that: The bottom of each mounting groove on the cutter disc is provided with a limiting groove connected to the mounting groove; each adjustment component comprises: A transmission rod is rotatably disposed in the limiting groove; A limiting nut block is threadedly connected to the transmission rod, and the limiting nut block is fixedly connected to the mounting member; A mounting plate is arranged in the limiting groove, and the transmission rod is rotatably connected to the mounting plate; Among them, the transmission rod is transmission connected to the driving assembly, the limiting groove limits the limiting nut block, and the transmission rod rotates under the drive of the driving assembly to drive the limiting nut block to move in the limiting groove along the axis of the transmission rod.

9. The chamfering tool holder according to claim 8, characterized in that: One end of the transmission rod is fixedly connected to a first bevel gear, and the driving assembly comprises: a first rotating shaft, the number of which corresponds to the number of the adjusting components, the first rotating shaft being rotatably connected to the cutter disc, and the axis of the first rotating shaft being perpendicular to the axis of the transmission rod; A second bevel gear, fixedly connected to one end of the first rotating shaft and meshing with the first bevel gear; Wherein, when the first rotating shaft rotates, the first bevel gear rotates under the action of the second bevel gear, and drives the transmission rod to rotate.

10. The chamfering tool holder according to claim 9, characterized in that: The drive assembly also includes: A second rotating shaft rotatably connected to the cutter disc; A driving gear, fixedly connected to one end of the second rotating shaft; A driven gear, fixedly connected to one end of the first rotating shaft away from the second bevel gear, the number of the driven gears corresponds to the number of the first rotating shafts, and the driven gear is meshed with the driving gear; A fastening nut is threadably connected to the second rotating shaft to lock the rotation of the second rotating shaft relative to the cutter disc.

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