CN111112756B - Compound processing numerical control machine tool for processing worm by generating method - Google Patents
Compound processing numerical control machine tool for processing worm by generating method Download PDFInfo
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- CN111112756B CN111112756B CN202010036951.XA CN202010036951A CN111112756B CN 111112756 B CN111112756 B CN 111112756B CN 202010036951 A CN202010036951 A CN 202010036951A CN 111112756 B CN111112756 B CN 111112756B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 150000001875 compounds Chemical class 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000007514 turning Methods 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 37
- 238000003801 milling Methods 0.000 claims abstract description 18
- 238000003754 machining Methods 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003672 processing method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 108091081062 Repeated sequence (DNA) Proteins 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F13/00—Making worms by methods essentially requiring the use of machines of the gear-cutting type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F17/00—Special methods or machines for making gear teeth, not covered by the preceding groups
- B23F17/006—Special methods or machines for making gear teeth, not covered by the preceding groups using different machines or machining operations
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Abstract
The utility model provides a compound processing digit control machine tool of generating method processing worm, including the lathe bed, lathe bed upper portion is equipped with the main shaft, be equipped with the saddle of following Z axle direction removal on the middle guide rail of lathe bed upper portion, be equipped with the work piece bracket on the saddle, be equipped with the well slide that can follow X axle direction removal on the guide rail of saddle, well slide upper surface both ends are equipped with turning knife rest and rolling knife rest respectively, well slide upper surface is used for fixed rolling knife rest position department to be equipped with the pivot angle mechanism, the pivot axis that is parallel with X axle direction on the pivot angle mechanism forms A revolving axle, the rolling knife rest is located on the guide rail of pivot angle mechanism front end and can follow the guide rail direction and remove, the cutter on the rolling knife rest rotates and forms B revolving axle. The numerical control machine tool structure integrates turning, hobbing, gear milling or gear turning processing methods, is convenient to adjust and operate, has high processing efficiency and good processing quality, and is beneficial to mass, efficient and automatic production.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tools, and particularly relates to a compound machining numerical control machine tool for machining a worm by a generating method.
Background
The processing of parts such as gears, synchronous pulleys, chain wheels, worm gears, worms and the like can be completed by a plurality of working procedures such as turning, hobbing, gear milling, gear turning and the like. For the processing of such parts, most of traditional processing procedures need advanced driving cutting processing, then hobbing, milling or turning, generally speaking, two or more devices are needed to finish the processing, and the processing can be finished only through repeated sequence conversion, repeated clamping and alignment, so that the processing efficiency is low, and the mass, efficient and automatic production is not facilitated. There is therefore a need for improvements.
Disclosure of Invention
The invention solves the technical problems that: the invention provides a compound machining numerical control machine tool for machining a worm by an generating method, wherein a main shaft and an auxiliary main shaft are used for positioning, rotating, supporting and automatically turning a workpiece, a saddle and a middle sliding plate drive a turning tool rest to carry out turning on the workpiece, and also drive a swinging angle mechanism and a rolling tool rest on the swinging angle mechanism to carry out milling, hobbing and turning on the workpiece.
The invention adopts the technical scheme that: the compound machining numerical control machine tool for machining the worm by the generating method comprises a machine body, wherein the machine body is provided with an X-axis direction, a Y-axis direction and a Z-axis direction which are mutually perpendicular; the lathe is characterized in that a main shaft is arranged on the upper portion of the lathe bed, the main shaft is arranged at the left end of the upper portion of the lathe bed and rotates to form a C1 rotary shaft, a saddle moving along the Z-axis direction is arranged on a middle guide rail on the upper portion of the lathe bed, a workpiece bracket for guiding and supporting a workpiece is arranged on the saddle, a middle sliding plate capable of moving along the X-axis direction is arranged on a guide rail of the saddle, turning tool rests and a rolling tool rest are respectively arranged at two ends of the upper surface of the middle sliding plate, the turning tool rest is arranged at one end, close to an operator, of the upper surface of the middle sliding plate, the rolling tool rest is arranged at one end, far away from the operator, of the upper surface of the middle sliding plate, a swinging angle mechanism is arranged at the upper surface of the middle sliding plate, a rotary shaft parallel to the X-axis direction is formed into an A rotary shaft, the rolling tool rest is arranged on a guide rail at the front end of the swinging angle mechanism and can move along the guide rail direction, and a tool on the rolling tool rest rotates to form a B rotary shaft.
Further limiting the technical scheme, wherein the turning tool rest adopts a turret tool rest or a row tool rest; the turret tool rest is fixed on the upper surface of the middle slide plate through a tool rest base plate; as shown in fig. 4, the row-type tool rest includes a tool holder plate fixedly connected with the middle slide plate, a plurality of tool holders are arranged on the tool holder plate, and a tool is fixed on the tool holders.
Further limiting the technical scheme, the swing angle mechanism is directly and fixedly connected with the upper surface of the middle sliding plate through the box body; or the rear part of the swing angle mechanism is vertically provided with a rolling tool rest sliding plate, the upper surface of the middle sliding plate is vertically and fixedly provided with a stand column, the front surface of the stand column is provided with a vertical guide rail for mounting the rolling tool rest sliding plate, and the rolling tool rest sliding plate is mounted on the vertical guide rail of the stand column and can move up and down along the Y-axis direction.
Further limiting the technical scheme, as shown in fig. 5, the hob head comprises a front support, a hob bar, a rear support and a hob driving motor; the front support and the rear support are arranged on a guide rail at the front end of the swing angle mechanism, the cutter bar is arranged between the front support and the rear support, and a hob or a forming milling cutter, a finger milling cutter and a turning cutter are arranged on the cutter bar; the hob driving motor is connected to the front support and drives the hob bar and a cutter on the hob bar to rotate by driving a main shaft in the front support; the hob or the forming milling cutter, the finger milling cutter and the turning gear cutter have different specifications, and the axial space of the hob is filled by adding cutter pads with different thicknesses at the two ends of the hob.
Further limiting the technical scheme, as shown in fig. 7 and 8, the swing angle mechanism comprises a swing angle box body, a worm wheel, a hand wheel, a swing angle rotating main shaft, a rolling tool rest connecting seat, a main scale angle dial, an auxiliary scale angle dial and an angle encoder; the worm and the worm wheel are orthogonally arranged in the swing angle box body, and the outer part of the swing angle box body is provided with a hand wheel or a servo motor which is connected with the worm to drive the worm to rotate; the main scale angle dial and the auxiliary scale angle dial are respectively arranged on the swing angle box body and the rolling tool holder connecting seat; the other end of the swing angle rotating main shaft penetrates out of the swing angle box body and is fixedly connected with the angle encoder, so that the actual angle of the rolling tool rest is fed back to an operator.
Further limiting the technical scheme, the upper part of the lathe bed is provided with a tail auxiliary mechanism, the tail auxiliary mechanism is coaxially opposite to the main shaft and is arranged at the right end of the upper part of the lathe bed, and the tail auxiliary mechanism can move on the lathe bed along the W-axis direction parallel to the Z-axis direction through a driving structure; as shown in fig. 6, the tail auxiliary mechanism comprises a secondary main shaft or a tail stock; the auxiliary main shaft rotates to form a C2 rotary shaft; the tail seat comprises a tail seat body which is arranged on the lathe bed and moves along the W-axis direction, a sleeve is arranged at the front end of the tail seat body, a center is arranged at the front end of the sleeve, and the center adopts a dead center or a live center.
Further limiting the technical scheme, the workpiece bracket comprises a bracket and a guide sleeve, wherein the bracket is fixed on the saddle and can move along the Z-axis direction along with the saddle, the guide sleeve is arranged on the bracket and is coaxial with the axis of the main shaft, and the guide sleeve adopts a fixed guide sleeve or a rotary guide sleeve.
Further limiting the technical scheme, the lathe bed and the saddle are respectively a flat lathe bed and a flat saddle, or the lathe bed and the saddle are respectively a flat lathe bed and an inclined saddle, or the lathe bed and the saddle are respectively an inclined lathe bed and a flat saddle. .
Compared with the prior art, the invention has the advantages that:
1. The main shaft and the auxiliary main shaft in the numerical control machine tool are used for positioning, rotating, supporting and automatically turning a workpiece, the saddle and the middle sliding plate drive the turning tool rest to carry out turning on the workpiece, and simultaneously drive the swinging mechanism and the tool rest thereon to carry out milling, hobbing and turning on the workpiece;
2. According to the technical scheme, the swing angle mechanism is used for supporting the hob, so that the swing angle mechanism can be rotated according to the spiral angle of a workpiece and the spiral angle requirement of the hob, the hob can be rotated to a correct position along with the swing angle mechanism, the angle machining requirement of the workpiece is met, and the hob is more convenient to adjust and use;
3. In the scheme, a rolling tool rest and a turning tool rest are arranged on the same component, namely a middle sliding plate and driven by the same group of servo motors and lead screws, and the rolling tool rest feeds along an X axis, so that the turning tool rest withdraws along the X axis; vice versa; therefore, the machine tool has compact structure, can greatly save the space of a processing area, and can avoid collision accidents caused by misoperation;
4. The numerical control machine tool integrates each linear moving shaft of an X shaft, a Y shaft, a Z shaft and a W shaft and each rotating shaft of an A shaft, a B shaft, a C1 shaft and a C2 shaft, and each shaft moves independently or is in multi-shaft linkage according to the machining forming principle of a specific workpiece so as to finish turning, hobbing, gear milling or gear turning of parts such as gears, synchronous pulleys, chain wheels, worm gears and worms, so that the machining procedures of the gear parts are integrated, and the machining procedures are convenient to adjust.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of another embodiment of the present invention;
FIG. 3 is a schematic view of a construction of a workpiece carrier according to the present invention;
FIG. 4 is a schematic view of the structure of the row tool post of the present invention;
FIG. 5 is a schematic view of the structure of the hob head according to the present invention;
FIG. 6 is a schematic view of the tailstock of the present invention;
FIG. 7 is a schematic view of the swing angle mechanism of the present invention;
Fig. 8 is a schematic view of the cross-section A-A in fig. 7.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Referring to fig. 1-8, embodiments of the present invention are described in detail.
Example 1: the compound machining numerical control machine tool for machining the worm by the generating method is shown in fig. 1, and comprises a machine body 1, wherein the machine body 1 is provided with an X-axis direction, a Y-axis direction and a Z-axis direction which are mutually perpendicular; the upper part of the lathe bed 1 is provided with a main shaft 2, the main shaft 2 is arranged at the left end of the upper part of the lathe bed 1, and the axis of the main shaft is parallel to the Z-axis direction to form a C1 rotary shaft. The saddle 4 moving along the Z-axis direction is arranged on the middle guide rail at the upper part of the lathe bed 1, and the saddle 4 is driven by a servo motor and a screw rod structure, which is a common technology on the lathe, and is not described in detail herein. The saddle 4 is provided with a workpiece bracket 7 for guiding and supporting a workpiece 12, a guide rail of the saddle 4 is provided with a middle slide plate 5 capable of moving along the X-axis direction, and the movement of the middle slide plate 5 is driven by a servo motor and a screw rod structure, which is a common technology on a machine tool, so that the detail is not described herein. The two ends of the upper surface of the middle sliding plate 5 are respectively provided with a turning tool rest 6 and a rolling tool rest 11, the turning tool rest 6 is arranged at one end of the upper surface of the middle sliding plate 5, which is close to an operator, the rolling tool rest 11 is arranged at one end of the upper surface of the middle sliding plate 5, which is far away from the operator, the upper surface of the middle sliding plate 5 is provided with a swing angle mechanism 10 for fixing the position of the rolling tool rest 11, a rotating shaft parallel to the X-axis direction on the swing angle mechanism 10 forms an A rotating shaft, and the rolling tool rest 11 is arranged on a guide rail at the front end of the swing angle mechanism 10 and can move along the guide rail direction so as to realize the movement of a channeling tool and the alignment of a certain tooth or a certain groove of the hob to the axis of a cut workpiece; the cutter on the cutter holder 11 rotates to form a B rotary shaft.
In this embodiment, the spindle 2 is used for positioning, rotating, supporting and automatically turning the workpiece 12, the saddle 4 and the middle sliding plate 5 can drive the turning tool rest 6 to turn the workpiece 12, and simultaneously drive the swing angle mechanism 10 and the tool rest 11 thereon to perform milling, hobbing and turning on the workpiece 12.
In addition, the turning tool rest 6 and the rolling tool rest 11 are arranged on the same component, namely the middle sliding plate 5, and are driven by the same group of servo motors and lead screws; the cutter head 11 feeds along the X axis, and the cutter head 6 withdraws along the X axis; vice versa, so, compact structure can practice thrift the processing district space greatly to avoid the maloperation to cause and hit the machine accident.
Example 2: the present embodiment is further defined as to the specific structure of the turning insert 6: the turning tool rest 6 adopts a turret tool rest 61 or a row tool rest 62, and can be selected according to specific processing workpieces and working procedures in the processing process. The turret tool rest 61 is fixed to the upper surface of the center slide 5 by a tool rest pad 611 when mounted. The row-type tool rest 62 comprises a tool holder plate 621 fixedly connected with the middle sliding plate 5, a plurality of tool holders 622 are arranged on the tool holder plate 621, and different tools 623 can be respectively fixed on the plurality of tool holders 622 to meet different processing requirements.
Example 3: this embodiment further defines the manner in which the swing angle mechanism 10 is fixed: the swing angle mechanism 10 can be directly and fixedly connected with the upper surface of the middle sliding plate 5 through a box body. Or the installation mode of the swing angle mechanism 10 can realize that the swing angle mechanism moves up and down along the Y-axis direction, specifically, a rolling tool rest slide plate 9 is vertically arranged at the rear part of the swing angle mechanism 10, a stand column 8 is vertically and fixedly arranged on the upper surface of the middle slide plate 5, a vertical guide rail for installing the rolling tool rest slide plate 9 is arranged on the front surface of the stand column 8, the rolling tool rest slide plate 9 is installed on the vertical guide rail of the stand column 8 and can move up and down along the Y-axis direction, and the movement of the rolling tool rest slide plate 9 is driven by a servo motor and a screw rod structure, and the structure is a common technology on a machine tool, so the structure is not described in detail herein. The specific installation mode of the swing angle mechanism 10 is selected according to the situation.
As shown in fig. 7 and 8, the swing angle mechanism 10 includes a swing angle box 1001, a worm 1002, a worm wheel 1003, a hand wheel 1004, a swing angle rotating spindle 1005, a hob head coupling seat 1006, a main scale angle dial 1007, a sub scale angle dial 1008, and an angle encoder 1009; the worm 1002 and the worm wheel 1003 are orthogonally arranged in the swing angle box 1001, and the swing angle box 1001 is externally arranged on a hand wheel 1004 or a servo motor which is connected with the worm 1002 and drives the worm 1002 to rotate; the rolling tool rest connecting seat 1006 is arranged on one side of the swing angle box 1001, the swing angle rotating main shaft 1005 fixedly penetrates through the worm wheel 1003, one end of the swing angle rotating main shaft 1005 is fixedly connected with the rolling tool rest connecting seat 1006, and the main scale angle dial 1007 and the auxiliary scale angle dial 1008 are respectively arranged on the swing angle box 1001 and the rolling tool rest connecting seat 1006; the other end of the swing angle rotating spindle 1005 passes through the swing angle box 1001 and is fixedly connected with the angle encoder 1009, so as to feed back the actual angle of the hob 11 to the operator.
Example 4: the hob head 11 comprises a front support 1101, a hob bar 1102, a rear support 1103 and a hob driving motor 1104, wherein the front support 1101 and the rear support 1103 are arranged on a guide rail at the front end of the swing angle mechanism 10, the hob bar 1102 is arranged between the front support 1101 and the rear support 1103, and the hob bar 1102 can be provided with a hob 1105 or a cutter such as a forming milling cutter, a finger milling cutter, a turning gear cutter and the like; the hob driving motor 1104 is connected to the front support 1101 and drives the hob 1102 and the hob 1105 thereon to rotate by driving the main shaft in the front support 1101; the axial space of the cutter bar 1102 is filled by adding cutter pads 1106 with different thicknesses at two ends of the cutter bar 1105 due to different lengths of the cutters such as the cutter bar 1105.
Example 5: on the basis of embodiments 1-4, as shown in fig. 2, a tail auxiliary mechanism 3 may be provided at the upper part of the machine tool 1, the tail auxiliary mechanism 3 is coaxially opposite to the spindle 2 and is provided at the right end of the upper part of the machine tool 1, and the tail auxiliary mechanism 3 may move on the machine tool 1 along the W axis direction parallel to the Z axis direction by a driving structure, so that the support of the workpiece 12 may be realized to improve the cutting rigidity. The structure for driving the tail auxiliary mechanism 3W to move on the machine tool 1 in the axial direction is a servo motor and screw structure, which is a common technology on the machine tool, and therefore, the detailed description thereof is omitted herein. Specifically, the tail auxiliary mechanism 3 includes a secondary main shaft 31 or a tail seat 32; the auxiliary main shaft 31 rotates to form a C2 rotary shaft; the tailstock 32 comprises a tailstock body 321 which is arranged on the lathe bed 1 and moves along the W-axis direction, a sleeve 322 is arranged at the front end of the tailstock body 321, a tip 323 is arranged at the front end of the sleeve 322, and the tip 323 adopts a dead tip or a live tip.
Example 6: the workpiece bracket 7 comprises a bracket 701 and a guide sleeve 702, the bracket 701 is fixed on the saddle 4 and can move along the Z-axis direction along with the saddle 4, the guide sleeve 702 is arranged on the bracket 701 and is coaxial with the axis of the main shaft 2 so as to ensure the guiding precision and the supporting rigidity of the workpiece to be processed, and the guide sleeve 702 adopts a fixed guide sleeve or a rotary guide sleeve. The workpiece bracket 7 is driven by the saddle 4 to move in the Z-axis direction of the machine tool, and the guiding and supporting of the workpiece 12 are realized through the guide sleeve 702 on the workpiece bracket.
Example 7: the lathe bed 1 and the saddle 4 respectively adopt a flat lathe bed and a flat saddle, or the lathe bed 1 and the saddle 4 respectively adopt a flat lathe bed and an inclined saddle, or the lathe bed 1 and the saddle 4 respectively adopt an inclined lathe bed and a flat saddle.
The structures listed in the embodiment can be freely assembled and installed, so that the composite machining numerical control machine tool with different structural forms is formed, and the machining requirements of different gear parts are met.
The numerical control machine tool integrates each linear moving shaft of an X shaft, a Y shaft, a Z shaft and a W shaft and each rotating shaft of an A shaft, a B shaft, a C1 shaft and a C2 shaft, and each shaft moves independently or is in multi-shaft linkage according to the machining forming principle of a specific workpiece so as to finish turning, hobbing, gear milling or gear turning of parts such as gears, synchronous pulleys, chain wheels, worm gears and worms, so that the machining procedures of the gear parts are integrated, and the machining procedures are convenient to adjust.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The compound machining numerical control machine tool for machining the worm by the generating method comprises a machine body (1), wherein the machine body (1) is provided with an X-axis direction, a Y-axis direction and a Z-axis direction which are mutually perpendicular; the method is characterized in that: the upper part of the lathe bed (1) is provided with a main shaft (2), the main shaft (2) is arranged at the left end of the upper part of the lathe bed (1) and rotates to form a C1 rotary shaft, a saddle (4) moving along the Z-axis direction is arranged on a middle guide rail at the upper part of the lathe bed (1), a workpiece bracket (7) for guiding and supporting a workpiece (12) is arranged on the saddle (4), a middle sliding plate (5) capable of moving along the X-axis direction is arranged on a guide rail of the saddle (4), turning tool rests (6) and rolling tool rests (11) are respectively arranged at two ends of the upper surface of the middle sliding plate (5), the turning tool rests (6) are arranged at one end, close to an operator, of the upper surface of the middle sliding plate (5), a swinging angle mechanism (10) is arranged at the position of the middle sliding plate (5), a rotary shaft is formed by a rotary shaft parallel to the X-axis direction on the swinging angle mechanism (10), and the tool rests (11) are arranged on a guide rail (10) capable of moving along the rotary shaft (11) of the front end of the guide rail;
The turning tool rest (6) adopts a turret tool rest (61) or a row tool rest (62); the turret tool rest (61) is fixed on the upper surface of the middle sliding plate (5) through a tool rest base plate (611); the row type tool rest (62) comprises a tool holder plate (621) fixedly connected with the middle sliding plate (5), a plurality of tool holders (622) are arranged on the tool holder plate (621), and a tool (623) is fixed on the tool holder (622);
The swing angle mechanism (10) is directly and fixedly connected with the upper surface of the middle sliding plate (5) through the box body; or a rolling tool rest sliding plate (9) is vertically arranged at the rear part of the swing angle mechanism (10), a stand column (8) is vertically and fixedly arranged on the upper surface of the middle sliding plate (5), a vertical guide rail for mounting the rolling tool rest sliding plate (9) is arranged on the front surface of the stand column (8), and the rolling tool rest sliding plate (9) is mounted on the vertical guide rail of the stand column (8) and can move up and down along the Y-axis direction;
the hob head (11) comprises a front support (1101), a hob bar (1102), a rear support (1103) and a hob driving motor (1104); the front support (1101) and the rear support (1103) are arranged on a guide rail at the front end of the swing angle mechanism (10), the cutter bar (1102) is arranged between the front support (1101) and the rear support (1103), and a hob cutter (1105) or a forming milling cutter, a finger milling cutter and a turning gear cutter are arranged on the cutter bar (1102); the hob driving motor (1104) is connected to the front support (1101) and drives the hob bar (1102) and a cutter on the hob bar to rotate through a main shaft in the front support (1101); the hob (1105) or the formed milling cutter, the finger-shaped milling cutter and the turning gear cutter have various specifications due to different lengths, and the axial space of the hob (1102) is filled by adding cutter pads (1106) with different thicknesses at the two ends of the hob (1102);
The swing angle mechanism (10) comprises a swing angle box body (1001), a worm (1002), a worm wheel (1003), a hand wheel (1004), a swing angle rotating main shaft (1005), a rolling tool rest connecting seat (1006), a main scale angle dial (1007), an auxiliary scale angle dial (1008) and an angle encoder (1009); the worm (1002) and the worm wheel (1003) are orthogonally arranged in the swing angle box body (1001), and a hand wheel (1004) or a servo motor which is connected with the worm (1002) and drives the worm to rotate is arranged outside the swing angle box body (1001); the rolling tool rest connecting seat (1006) is arranged on one side of the swing angle box body (1001), the swing angle rotating main shaft (1005) fixedly penetrates through the worm wheel (1003) and one end of the swing angle rotating main shaft is fixedly connected with the rolling tool rest connecting seat (1006), and the main scale angle dial (1007) and the auxiliary scale angle dial (1008) are respectively arranged on the swing angle box body (1001) and the rolling tool rest connecting seat (1006); the other end of the swing angle rotating main shaft (1005) penetrates out of the swing angle box body (1001) and is fixedly connected with the angle encoder (1009) so as to feed back the actual angle of the hob head (11) to an operator;
The upper part of the lathe bed (1) is provided with a tail auxiliary mechanism (3), the tail auxiliary mechanism (3) is coaxially opposite to the main shaft (2) and is arranged at the right end of the upper part of the lathe bed (1), and the tail auxiliary mechanism (3) can move on the lathe bed (1) along the W-axis direction parallel to the Z-axis direction through a driving structure; the tail auxiliary mechanism (3) comprises a secondary main shaft (31) or a tail seat (32); the auxiliary main shaft (31) rotates to form a C2 rotary shaft; tailstock (32) are including locating tailstock body (321) that follow the W axial direction and remove on lathe bed (1), tailstock body (321) front end is equipped with sleeve (322), sleeve (322) front end is equipped with top (323), top (323) adopt dead top or live center.
2. The compound machining numerical control machine for machining a worm by a generating method according to claim 1, wherein: the workpiece bracket (7) comprises a bracket (701) and a guide sleeve (702), the bracket (701) is fixed on the saddle (4) and can move along the Z-axis direction along with the saddle (4), the guide sleeve (702) is arranged on the bracket (701) and is coaxial with the axis of the main shaft (2), and the guide sleeve (702) adopts a fixed guide sleeve or a rotary guide sleeve.
3. The compound machining numerical control machine for machining a worm by a generating method according to claim 2, wherein: the machine tool body (1) and the saddle (4) are respectively a flat machine tool body and a flat saddle, or the machine tool body (1) and the saddle (4) are respectively a flat machine tool body and an inclined saddle, or the machine tool body (1) and the saddle (4) are respectively an inclined machine tool body and a flat saddle.
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| CN202010036951.XA CN111112756B (en) | 2020-01-14 | 2020-01-14 | Compound processing numerical control machine tool for processing worm by generating method |
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| CN202010036951.XA CN111112756B (en) | 2020-01-14 | 2020-01-14 | Compound processing numerical control machine tool for processing worm by generating method |
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| CN111112756B true CN111112756B (en) | 2024-06-07 |
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| CN112191946B (en) * | 2020-09-28 | 2021-12-03 | 河北涞博传动机械制造有限公司 | Method for generating point contact ring surface worm gear pair by double generating surfaces |
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| JP2001198702A (en) * | 2000-01-12 | 2001-07-24 | Dainichi Kinzoku Kogyo Kk | Composite working machine |
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