Tool rest angle adjusting mechanism of gear hobbing machine

Abstract

The utility model belongs to the technical field of gear hobbing machines, and particularly relates to a gear hobbing machine tool rest angle adjusting mechanism which comprises an installing frame, a plurality of open grooves are formed in the surface of the installing frame, an installing base is installed on the side wall of the installing frame and connected with the installing frame in a sliding mode, a U-shaped connecting frame is fixedly connected to the side wall of the installing base, and the U-shaped connecting frame is connected with the installing frame in a sliding mode. The connecting frame penetrates through the open groove, a convex circular groove is formed in the center of the mounting base, and a tool rest disc is rotationally connected into the circular groove. The tool rest disc is driven to rotate through the operation of the servo motor, the angle of the tool is rotationally adjusted, and when the tool rest disc rotates, the angle numerical value of the scale marks is read in real time through the angle reader, so that the rotating angle of the tool is accurately adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gear hobbing machine technical field, specifically a gear hobbing machine tool rest angle adjusting mechanism. BACKGROUND

[0002] Gear processing generally adopts gear hobbing machine to process gear, and the traditional gear hobbing machine includes base, tool rest, tool holder, hobbing cutter, upper limiting mechanism, and the gear hobbing machine often needs to adjust the angle of the tool rest of the gear hobbing machine through the angle adjusting mechanism during the process of processing gear to ensure the effect of the gear hobbing machine.

[0003] The angle adjusting position of the tool rest of the gear hobbing machine is generally approximate position during use, and manual repeated comparison or measurement is needed, thereby affecting the accuracy of the angle adjusting mechanism during adjustment; the cutter on the tool rest of the gear hobbing machine is small, and it is not easy to assist in supporting the cutter during angle adjustment and rotation, thereby easily leading to poor stability of the cutter; the angle adjusting mechanism is relatively slow when installed on the surface of the gear hobbing machine, thereby reducing the working efficiency of the angle adjusting mechanism during use.

[0004] The existing Chinese patent with publication number CN217913239U discloses a gear hobbing machine tool rest angle adjusting mechanism, which includes a support frame, a driving motor is installed on the surface of the support frame, a rotating shaft is fixed on the output end of the driving motor through a shaft coupling, one end of the rotating shaft penetrates through the support frame and is fixed with a connecting disc, a tool holder is fixed on the surface of the connecting disc, a fixing mechanism is arranged at the bottom of the support frame, the fixing mechanism includes a fixing assembly and a fastening screw in the inside, an auxiliary supporting mechanism is arranged on the surface of the support frame and is composed of a rotating part and a tripod, an accurate limiting mechanism is arranged on the surface of the support frame and is composed of a limiting part and a connecting block.

[0005] For the above and existing related technologies, the inventors believe that the following defects often exist: the angle adjusting direction of the device is relatively single, and cannot be adjusted in height and inclination direction, and needs to be improved; therefore, a gear hobbing machine tool rest angle adjusting mechanism is proposed for the above problems. CONTENT OF THE UTILITY MODEL

[0006] In order to make up for the deficiencies of the prior art and solve the above technical problems, the utility model provides a gear hobbing machine tool rest angle adjusting mechanism.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of gear hobbing machine tool rest angle adjusting mechanism described in the utility model, including mounting bracket, the surface of mounting bracket is equipped with several grooves, the side wall of mounting bracket is equipped with mounting seat, the mounting seat is slidably connected with mounting bracket, the side wall of mounting seat is fixedly connected with the connecting frame of U shape, and connecting frame passes through groove, the center of mounting seat is equipped with the convex circular groove, the inside rotation of circular groove is connected with tool rest disc, the upper side wall of tool rest disc is fixedly connected with tool holder, rotating adjusting assembly is installed on the connecting frame and mounting seat, and rotating adjusting assembly includes servo motor and connecting rod, the center of connecting frame is fixedly installed with servo motor, and the driving end of servo motor is fixedly connected with tool rest disc through groove, the lower side wall of tool rest disc is fixedly installed with connecting rod, and the lower side of connecting rod is fixedly connected with angle reader, the surface of mounting seat is equipped with annular scale line, tool is installed on tool holder, the angle of tool is rotated and adjusted by servo motor operation driving tool rest disc rotation, and when tool rest disc rotates, the angle value of scale line is read out in real time by angle reader, the rotation angle of tool rest disc can be preset in PLC controller, when the angle value read by angle reader is same with preset value, servo motor stops working, to accurately adjust the rotation angle of tool.

[0008] Preferably, the tool holder and the angle reader are respectively located on the vertical center line of the tool rest disc.

[0009] Preferably, the rotating adjusting assembly further comprises an annular limiting protrusion fixedly installed on the outer side of the tool rest disc.

[0010] Preferably, the rotating adjusting assembly further comprises an annular limiting seat coaxially arranged with the tool rest disc, and a plurality of electric telescopic rods are fixedly connected to the surface of the limiting seat, and the driving end of the electric telescopic rods is fixedly connected to the mounting seat. After the rotation of the tool is completed, the limiting seat moves to the side of the mounting seat by the contraction of the electric telescopic rods, the limiting protrusion is clamped and limited by the cooperation of the limiting seat and the mounting seat, and the tool rest disc is assisted and supported, thereby improving the stability of the tool during use.

[0011] Preferably, an indicating needle is fixedly connected to the upper side of the tool rest disc, and the indicating needle facilitates manual reading.

[0012] Preferably, the bottom end of the mounting bracket is rotatably connected to a base through a shaft, a height and inclination adjusting assembly is installed on the base and the mounting bracket, the height and inclination adjusting assembly comprises a hydraulic rod one, the hydraulic rod one is fixedly installed on the top of the mounting bracket, and the driving end of the hydraulic rod one is fixedly connected to the mounting seat, the mounting seat slides up and down by the extension and contraction of the hydraulic rod one, thereby adjusting the height of the tool.

[0013] Preferably, the height and inclination adjusting assembly further comprises a second hydraulic rod, the second hydraulic rod is rotatably connected with the base through a shaft, and the driving end of the second hydraulic rod is rotatably connected with a fixing frame through a shaft, and the fixing frame is fixedly connected with the mounting frame, the left and right rotation of the mounting frame can be driven by the extension and retraction of the second hydraulic rod, the inclination of the cutter can be adjusted, and multi-directional adjustment of the cutter is realized.

[0014] Preferably, the height and inclination adjusting assembly further comprises an inclination sensor, the inclination sensor is fixedly installed above the mounting frame, the angle when the mounting frame rotates left and right can be detected through the inclination sensor, the left and right rotation of the mounting frame can be preset in the PLC controller, when the angle value read by the inclination sensor is the same as the preset value, the second hydraulic rod stops working, and the inclination of the cutter is accurately adjusted.

[0015] The utility model has the advantages that:

[0016] 1. The utility model discloses a servo motor operation drives cutter holder disc rotation, and the angle of cutter is rotated and adjusted, and when the cutter holder disc rotates, the angle value of the scale line is read in real time through the angle reading device, and the rotation angle of the cutter is accurately adjusted.

[0017] 2. The utility model discloses the extension and retraction of hydraulic rod no. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the utility model Figure 1 Side view;

[0021] Figure 3 It is the rotation adjusting assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the limit seat and mounting seat expansion structure schematic diagram of the utility model;

[0023] Figure 5 It is the height and inclination adjusting assembly structure schematic diagram of the utility model.

[0024] In the figure: 1, mounting frame; 2, mounting seat; 3, connecting frame; 4, tool holder disc; 5, tool holder; 6, rotation adjustment assembly; 61, servo motor; 62, connecting rod; 63, angle reader; 64, limiting protrusion; 65, limiting seat; 66, electric telescopic rod; 7, scale line; 8, indicator needle; 9, height and inclination adjustment assembly; 91, hydraulic rod one; 92, hydraulic rod two; 93, fixing frame; 94, inclination sensor; 10, base. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment 1

[0027] Please refer to Figures 1-4 As shown in the figure, a gear hobbing machine tool holder angle adjustment mechanism, comprising a mounting frame 1, the surface of the mounting frame 1 is provided with a plurality of grooves, the side wall of the mounting frame 1 is provided with a mounting seat 2, the mounting seat 2 is slidably connected with the mounting frame 1, the side wall of the mounting seat 2 is fixedly connected with a U-shaped connecting frame 3, and the connecting frame 3 passes through the groove, the center of the mounting seat 2 is provided with a convex circular groove, the inside of the circular groove is rotatably connected with a tool holder disc 4, the upper side wall of the tool holder disc 4 is fixedly connected with a tool holder 5, a rotation adjustment assembly 6 is installed on the connecting frame 3 and the mounting seat 2, the rotation adjustment assembly 6 comprises a servo motor 61 and a connecting rod 62, the servo motor 61 is fixedly installed at the center of the connecting frame 3, and the driving end of the servo motor 61 is fixedly connected with the tool holder disc 4 through the groove, the connecting rod 62 is fixedly installed on the lower side wall of the tool holder disc 4, and the lower side of the connecting rod 62 is fixedly connected with an angle reader 63, the surface of the mounting seat 2 is provided with an annular scale line 7, the tool is installed on the tool holder 5, the tool holder disc 4 is driven to rotate by the operation of the servo motor 61, the angle of the tool is adjusted, and when the tool holder disc 4 rotates, the angle value of the scale line 7 is read in real time by the angle reader 63, the rotation angle of the tool holder disc 4 can be preset in the PLC controller, and when the angle value read by the angle reader 63 is the same as the preset value, the servo motor 61 stops working, so that the rotation angle of the tool is accurately adjusted.

[0028] The tool holder 5 and the angle reader 63 are respectively located on the vertical center line of the tool holder disc 4.

[0029] The rotation adjustment assembly 6 further comprises an annular limiting protrusion 64, and the limiting protrusion 64 is fixedly installed on the outer side of the tool holder disc 4.

[0030] The rotary adjusting assembly 6 further comprises a ring-shaped limiting seat 65 coaxially arranged with the tool holder disc 4, and a plurality of electric telescopic rods 66 are fixedly connected to the surface of the limiting seat 65, and the driving end of the electric telescopic rods 66 is fixedly connected with the mounting seat 2; after the tool rotation is completed, the limiting seat 65 is moved to the side of the mounting seat 2 through the contraction of the electric telescopic rods 66, and the limiting protrusion 64 is clamped and limited through the cooperation of the limiting seat 65 and the mounting seat 2, so as to assist in supporting the tool holder disc 4 and improve the stability of the tool during use.

[0031] The upper side of the tool holder disc 4 is fixedly connected with an indicating needle 8, which facilitates manual reading.

[0032] The bottom end of the mounting frame 1 is rotatably connected with a base 10, and a height and inclination adjusting assembly 9 is installed on the base 10 and the mounting frame 1; the height and inclination adjusting assembly 9 comprises a hydraulic rod one 91, which is fixedly installed on the top of the mounting frame 1, and the driving end of the hydraulic rod one 91 is fixedly connected with the mounting seat 2; the mounting seat 2 is driven to slide up and down through the extension and contraction of the hydraulic rod one 91, so as to adjust the height of the tool.

[0033] Embodiment 2

[0034] Comparative Embodiment 1, please refer to Figure 5 As shown in the drawings, the utility model provides another embodiment, the height and inclination adjusting assembly 9 further comprises a hydraulic rod two 92, which is rotatably connected with the base 10 through a shaft, and the driving end of the hydraulic rod two 92 is rotatably connected with a fixing frame 93 through a shaft, and the fixing frame 93 is fixedly connected with the mounting frame 1; the mounting frame 1 is driven to rotate left and right through the extension and contraction of the hydraulic rod two 92, so as to adjust the inclination of the tool, thereby realizing the multidirectional adjustment of the tool.

[0035] The height and inclination adjusting assembly 9 further comprises an inclination sensor 94, which is fixedly installed directly above the mounting frame 1; the angle when the mounting frame 1 rotates left and right can be detected through the inclination sensor 94; the left and right rotation of the mounting frame 1 can be preset in the PLC controller; when the angle value read by the inclination sensor 94 is the same as the preset value, the hydraulic rod two 92 stops working, thereby accurately adjusting the inclination of the tool.

[0036] Through the personnel in the art, all electrical components in the case are connected with the power supply through wires, and appropriate PLC controllers and servo motors 61, angle readers 63, electric push rods, hydraulic rods one 91, hydraulic rods two 92 and inclination sensors 94 should be electrically connected according to actual conditions to meet the control requirements; the specific connection and control sequence should be referred to the working principle below, and the electrical components are electrically connected in the order of working sequence; the detailed connection means is a well-known technology in the art, and the working principle and process are mainly introduced below, and the electrical control is not described.

[0037] The working principle is that the cutter is installed on the tool holder 5, the cutter holder disc 4 is driven to rotate by the servo motor 61 to rotate and adjust the angle of the cutter, and when the cutter holder disc 4 rotates, the angle value of the scale line 7 is read in real time by the angle reader 63, the rotation angle of the cutter holder disc 4 can be preset in the PLC controller, and when the angle value read by the angle reader 63 is the same as the preset value, the servo motor 61 stops working, so that the rotation angle of the cutter is accurately adjusted.

[0038] After the cutter is rotated, the limiting seat 65 is moved to the side of the mounting seat 2 by the electric telescopic rod 66, the limiting seat 65 is clamped and limited in cooperation with the mounting seat 2, the limiting protrusion 64 is clamped and limited, the cutter holder disc 4 is assisted and supported, and the stability of the cutter during use is improved.

[0039] The height of the cutter is adjusted by the extension and contraction of the hydraulic rod 1 91 to drive the mounting seat 2 to slide up and down, the inclination of the cutter can be adjusted by the extension and contraction of the hydraulic rod 2 92 to drive the mounting frame 1 to rotate left and right, and the angle of the mounting frame 1 rotating left and right can be detected by the inclination sensor 94, the mounting frame 1 rotating left and right can be preset in the PLC controller, and when the angle value read by the inclination sensor 94 is the same as the preset value, the hydraulic rod 2 92 stops working, so that the inclination of the cutter is accurately adjusted.

[0040] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A gear hobbing machine tool holder angle adjustment mechanism, comprising a mounting frame (1), characterized in that: The surface of the mounting frame (1) is provided with a plurality of slots, a mounting seat (2) is installed on the side wall of the mounting frame (1), the mounting seat (2) is slidably connected to the mounting frame (1), the side wall of the mounting frame (2) is fixedly connected with a U-shaped connecting frame (3), and the connecting frame (3) passes through the slot, a convex circular groove is provided at the center of the mounting frame (2), a tool holder disc (4) is rotatably connected inside the circular groove, and a tool holder (5) is fixedly connected to the upper side wall of the tool holder disc (4), the connecting frame (3) and the mounting frame (2) is provided with a rotation adjustment assembly (6), the rotation adjustment assembly (6) comprising a servo motor (61) and a connecting rod (62), the servo motor (61) being fixedly mounted at the center of the connecting frame (3), and the driving end of the servo motor (61) passing through the slot and fixedly connected to the tool holder disc (4), the connecting rod (62) being fixedly mounted on the lower side wall of the tool holder disc (4), and an angle reader (63) being fixedly connected below the connecting rod (62), and an annular scale line (7) being provided on the surface of the mounting seat (2).

2. The gear hobbing machine tool holder angle adjustment mechanism according to claim 1, characterized in that: The tool holder (5) and the angle reader (63) are respectively located on the vertical center line of the tool holder disc (4).

3. The gear hobbing machine tool holder angle adjustment mechanism according to claim 1, characterized in that: The rotation adjustment assembly (6) further includes an annular limiting protrusion (64), and the limiting protrusion (64) is fixedly mounted on the outer side of the tool holder disc (4).

4. The gear hobbing machine tool holder angle adjustment mechanism according to claim 1, characterized in that: The rotation adjustment assembly (6) further includes an annular limit seat (65), the limit seat (65) being coaxially arranged with the tool holder disc (4), a plurality of electric telescopic rods (66) being fixedly connected to the surface of the limit seat (65), and the driving end of the electric telescopic rod (66) being fixedly connected to the mounting seat (2).

5. The gear hobbing machine tool holder angle adjustment mechanism according to claim 1, characterized in that: An indicator needle (8) is fixedly connected to the top of the tool holder disc (4).

6. The gear hobbing machine tool holder angle adjustment mechanism according to claim 1, characterized in that: The bottom end of the mounting frame (1) is rotatably connected to a base (10) via an axis, and a height and inclination adjustment component (9) is installed on the base (10) and the mounting frame (1). The height and inclination adjustment component (9) includes a hydraulic rod (91), and the hydraulic rod (91) is fixedly mounted on the top of the mounting frame (1), and the driving end of the hydraulic rod (91) is fixedly connected to the mounting seat (2).

7. The gear hobbing machine tool holder angle adjustment mechanism according to claim 6, characterized in that: The height and inclination adjustment assembly (9) further comprises a second hydraulic rod (92), wherein the second hydraulic rod (92) is rotatably connected to the base (10) via a shaft, and a driving end of the second hydraulic rod (92) is rotatably connected to a fixing frame (93) via a shaft, and the fixing frame (93) is fixedly connected to the mounting frame (1).

8. The gear hobbing machine tool holder angle adjustment mechanism according to claim 6, characterized in that: The height and inclination adjustment assembly (9) further comprises an inclination sensor (94), wherein the inclination sensor (94) is fixedly mounted directly above the mounting frame (1).

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