CN105500124A - Automatic thread grinding machine of thread forming tap - Google Patents
Automatic thread grinding machine of thread forming tap Download PDFInfo
- Publication number
- CN105500124A CN105500124A CN201610066338.6A CN201610066338A CN105500124A CN 105500124 A CN105500124 A CN 105500124A CN 201610066338 A CN201610066338 A CN 201610066338A CN 105500124 A CN105500124 A CN 105500124A
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- Prior art keywords
- housing
- thread
- grinding machine
- screw
- forming tap
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses an automatic thread grinding machine of a thread forming tap. The automatic thread grinding machine comprise a stander, and a synchronous lead screw feeding mechanism, a main shaft mechanism and a grinding wheel mechanism, which are installed on the stander, wherein a discharging opening of the synchronous lead screw feeding mechanism corresponds to a feeding opening of the main shaft mechanism, and a back dead tip of the main shaft mechanism corresponds to a grinding wheel of the grinding wheel mechanism so as to be used for machining a workpiece. A pair of synchronous lead screws is used for feeding materials, so that the automatic thread grinding machine is small in size, large in capacity and suitable for the thread forming taps of various specification sizes such as M2-8 to feed the material; the coaxial paired back dead tips are used for positioning, so that the positioning coaxial precision is high; a clamping air cylinder is installed by adopting an adjusting clamping block, the position of the clamping air cylinder can be adjusted according to the length of the workpiece, so that different workpieces of different sizes can be positioned; and the paired diamond grinding wheels with each thread having a 60-degree tooth root are adopted, and the direction of the 60-degree tooth root is opposite in the axial direction, the thread forming tap with threads of 1mm or below can be obtained, and no angle R exists at the tooth root of the thread.
Description
Technical field
The present invention relates to a kind of grinding machine, particularly a kind of thread forming tap automatic thread grinding machine.
Background technology
Thread forming tap is a kind of Novel threaded cutter utilizing metal plastic deformation principle and machining internal thread, thread forming tap extruding internal thread is ELEMENTARY INTRODUCTION TO NON technique, be specially adapted to that intensity is lower, the good copper alloy of plasticity and aluminium alloy, also can be used for the material tapping that the hardness such as stainless steel and mild steel is low, plasticity is large, the life-span is long.Prior art is for processing the automatic thread grinding machine of above-mentioned thread forming tap, it is not high that it has automaticity, the advantage that working (machining) efficiency is low, therefore needs design to have more high automation degree and efficiently automatic thread grinding machine, to meet the highly-efficient processing of different size thread forming tap.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of thread forming tap automatic thread grinding machine, to realize the automatic high-efficiency processing of different specification size thread forming tap.
For achieving the above object, technical scheme of the present invention is as follows:
1, first, in order to realize the synchronous feeding of the thread forming tap of different specification size, the invention provides a kind of synchronous screw feed mechanism of thread forming tap automatic thread grinding machine, comprising: right angle frame, to be arranged on grinding machine and for the support of feed mechanism and position adjustments; Described right angle frame is provided with screw mandrel installing rack, described screw mandrel installing rack is provided with paired trapezoidal screw side by side; The input of two paired side by side described screw mandrels is connected to driven gear, and two described driven gears are by being connected with a joggle to same driving gear, and described driving gear is connected to servomotor; The output correspondence of two paired side by side described screw mandrels is provided with paired back dead centre; The top of two paired side by side described screw mandrels is positioned at the positioning and clamping mechanism that output is provided with workpiece, for location and the clamping of workpiece.Further, also comprise crane, described crane is arranged on for regulating the upright position of feed mechanism to regulate the upright position of different size Workpiece fixing axis on described right angle frame by lifting screw, and described screw mandrel installing rack is arranged on described crane; Described crane be provided with slide unit and be arranged on the slide plate coordinated on described slide unit and with described slide unit by horizontal screw bolt, described screw mandrel installing rack is arranged on described slide plate for the horizontal level regulating different size Workpiece fixing axis; Described positioning and clamping mechanism comprises two axle cylinders and by the locating piece of described two axle air cylinder driven and a pair clamping reed; Described locating piece has the semicircle locating slot of corresponding workpiece, clamps reed and pick and place for the clamping of workpiece described in a pair.By technique scheme, thread forming tap automatic thread grinding machine provided by the invention, its tool has the following advantages: 1. adopt a pair synchronous screw feeding, compare hopper construction volume less, capacity is larger; 2. the thread forming tap feeding of the plurality of specifications sizes such as M2-8 is applicable to; 3. for the thread forming tap of different specification size, by arranging the vertical and horizontal level of crane and slide plate adjustment axis of workpiece, effectively ensure that the orientation axis of workpiece and the back dead centre coaxial positioning of grinding machine spindle.
2, secondly, the efficient coaxial positioning of the different size thread forming tap carried to coordinate above-mentioned synchronous screw feed mechanism, present invention also offers a kind of main axle structure of thread forming tap automatic thread grinding machine, it is arranged on the Y-direction slide unit of grinding machine, comprise: axial actuating mechanism and axial positioning mechanism, described axial actuating mechanism and axial positioning mechanism are arranged on a landing slab, and described landing slab is installed in parallel on the Y-direction slide unit of grinding machine by the guide rail that be arranged in parallel and slide unit; Described axial actuating mechanism comprises: power take-off mechanism, and the gear of grinding one's teeth in sleep driven by described power take-off mechanism; Described axial positioning mechanism comprises: clamping cylinder, by the synchronously driven housing of described clamping cylinder and stage clip, top before being driven by described stage clip, and axial corresponding described front top and hard-wired tail centre; The corresponding described front top one end of described housing is provided with bearing holder (housing, cover) by bearing, described bearing holder (housing, cover) has the little trapezoid-shaped openings of external diameter large diameter, described landing slab is provided with the trapezoidal collet of corresponding described bearing holder (housing, cover), described collet and described trapezoid-shaped openings are mutually full of arranging and put; Along described front tail spindle to being provided with the gear of grinding one's teeth in sleep be connected with described bearing holder (housing, cover) in described housing, the gear of grinding one's teeth in sleep in described housing is connected with the gears meshing of grinding one's teeth in sleep of described axial actuating mechanism thus drives described bearing holder (housing, cover) and collet to rotate.Wherein, the power take-off mechanism of described axial actuating mechanism is servomotor, and described servomotor drives gears meshing of grinding one's teeth in sleep described in a pair to rotate by decelerator and the shaft coupling that is positioned at power axle bed; For realizing the object of adjustable work-piece length, described clamping cylinder adjusts the installation site on described landing slab, for the clamping of different length instrument by regulating fixture block; Describedly frontly toply to be connected with described stage clip by top fixed axis; Described housing comprises front slide housing and rear slider case, described rear slider case to be set on described top fixed axis by opening linear bearing and to be driven by described clamping cylinder and slides axially, and described front slide housing is driven by described rear slider case and slides axially; Described bearing holder (housing, cover) is arranged on the end of described front slide housing and corresponding described collet, is provided with gear of grinding one's teeth in sleep described in being connected with described bearing holder (housing, cover) in described front slide housing.By technique scheme, thread forming tap automatic thread grinding machine provided by the invention, its tool has the following advantages: 1. adopt coaxial paired back dead centre location, and it is high to locate coaxial precision; 2. collet clamping work pieces is adopted to realize rotating, compact conformation; 3. adopt opening linear bearing, achieve the rotational problems of front top axial grip and collet simultaneously; 4. adopt and regulate the tight cylinder of fixture block mounting clamp, the position of clamping cylinder can be adjusted according to Workpiece length, and then the position of synchronous adjustment located in connection mechanism, the clamping force of collet is provided by clamping cylinder drive shell, drives stage clip to provide the pretightning force of a pair back dead centre by clamping cylinder.
3, last, in order to realize above-mentioned different size thread forming tap, especially pitch is less than the processing of 1mm thread thread forming tap, present invention also offers a kind of emery wheel mechanism of thread forming tap automatic thread grinding machine, comprise: spindle nose matrix, be arranged on a pair emery wheel spindle nose in described spindle nose matrix respectively by hollow worm wheel symmetrical, the clutch end of described emery wheel spindle nose is separately installed with symmetrical diamond-impregnated wheel; Same connecting shaft worm screw is jointly connected between hollow worm gear described in a pair, described connecting shaft worm screw is driven by a ball screw, the power intake of described ball screw is connected to servomotor by decelerator, and power is provided to the power intake of two symmetrically arranged described emery wheel spindle noses by hollow worm gear respectively described in a pair; The thread of diamond-impregnated wheel described in a pair all has 60 ° of tooth roots, and 60 of two described diamond-impregnated wheels ° of tooth roots are in axial direction contrary; Wherein, thread processing dimension in order to ensure paired described diamond-impregnated wheel is consistent, paired described diamond-impregnated wheel symmetry is arranged on an emery wheel plug, and adopt paired emery wheel coaxially to process, and paired emery wheel has the thread of 60 ° of tooth root mutual dislocation to form the contrary paired described diamond-impregnated wheel in 60 ° of tooth root directions.Wherein, described diamond-impregnated wheel is arranged on the clutch end of described emery wheel spindle nose by axial adjustment nut, for the adjustment of described diamond-impregnated wheel axial location; Described diamond-impregnated wheel is supported by bistrique matrix, and described bistrique matrix is arranged on slide unit body by spherical guide pair, and described slide unit body is fixedly connected with described spindle nose matrix, for the adjustment of described diamond-impregnated wheel horizontal level; One end of described connecting shaft worm screw is also connected with buncher, for the fine setting of connecting shaft worm screw output speed.Pass through technique scheme, thread forming tap automatic thread grinding machine provided by the invention, it adopts the paired diamond-impregnated wheel of symmetrical structure, and the thread of paired diamond-impregnated wheel all has 60 ° of tooth roots, and 60 ° of tooth root direction axial opposed of paired diamond-impregnated wheel, when adopting paired diamond-impregnated wheel synchronous processing workpiece like this, the thread forming tap of below 1mm thread can be obtained, and the root of the tooth place of thread does not exist R angle, effectively ensure that sharp degree and the machining accuracy of below 1mm thread.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described.
The synchronous screw feed mechanism plan structure schematic diagram that Fig. 1 is the thread forming tap automatic thread grinding machine disclosed in the embodiment of the present invention;
Fig. 2 is the side-looking structural representation of the synchronous screw feed mechanism of the thread forming tap automatic thread grinding machine disclosed in the embodiment of the present invention;
The main TV structure schematic diagram that Fig. 3 coordinates with emery wheel for the thread forming tap grinding machine spindle structure disclosed in the embodiment of the present invention;
Fig. 4 is the side-looking structural representation of the thread forming tap grinding machine spindle structure disclosed in the embodiment of the present invention;
The main TV structure schematic diagram of emery wheel correction mechanism that Fig. 5 is the thread forming tap automatic thread grinding machine disclosed in the embodiment of the present invention;
The emery wheel correction mechanism plan structure schematic diagram that Fig. 6 is the thread forming tap automatic thread grinding machine disclosed in the embodiment of the present invention;
Fig. 7 adds the mounting structure schematic diagram of man-hour on emery wheel plug in pairs for the diamond-impregnated wheel disclosed in the embodiment of the present invention;
Fig. 8 adopts emery wheel to add the structural representation in man-hour in pairs for the diamond-impregnated wheel disclosed in the embodiment of the present invention.
Numeral in figure:
11. right angle frame 12. lifting screw 13. cranes
14. slide plate 15. horizontal screw bolt 16. screw mandrel installing racks
17. servomotor 18. driving gear 19. driven gears
20. screw mandrel 21. workpiece 22. apex tailstock
23. back dead centre 24. top main shaft 25. 2 axle cylinder
26. locating pieces 27. clamp reed 31. tail centre
32.Y to grind one's teeth in sleep gear to slide unit 33. power axle bed 34.
35. shaft coupling 36. decelerator 37. servomotors
38. guide rails and slide unit 39. landing slab 40. collet
The top fixed axis of 41. bearing holder (housing, cover) 42. front slide housing 43.
Slider case after 44. opening linear bearing 45. stage clips 46.
Top before 47. adjustment fixture block 48. clamping cylinders 49.
50. emery wheel 51. workpiece 61. spindle nose matrixes
62. emery wheel spindle nose 63. hollow worm gear 64. servomotor
65. decelerator 66. ball screw 67. connecting shaft worm screws
68. axial adjustment nut 69. diamond-impregnated wheel 70. workpiece
The secondary 73. slide unit bodies of 71. bistrique matrix 72. spherical guides
74. buncher 75. emery wheel plug 76. emery wheels
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
With reference to figure 1 and 2, the synchronous screw feed mechanism of thread forming tap automatic thread grinding machine provided by the invention, comprising: right angle frame 11, to be arranged on grinding machine and for the support of feed mechanism and position adjustments; Crane 13, crane 13 is arranged on right angle frame 11 for regulating the upright position of feed mechanism to regulate the upright position of different size workpiece 21 orientation axis by lifting screw 12, crane 13 is provided with slide unit and is arranged on the slide plate 14 that coordinates on slide unit and with slide unit for the horizontal level regulating different size workpiece 21 orientation axis by horizontal screw bolt 15, slide plate 14 is provided with screw mandrel installing rack 16, screw mandrel installing rack 16 is provided with side by side paired trapezoidal screw 20; The input of two paired side by side rhizoid bars 20 is connected to driven gear 19, and two driven gears 19 are by being connected with a joggle to same driving gear 18, and driving gear 18 is connected to servomotor 17; The output correspondence of two paired side by side rhizoid bars 20 is provided with paired back dead centre 23, a back dead centre 23 is fixedly mounted by apex tailstock 22, and another is arranged on top main shaft 24 moves with the axis realizing this back dead centre 23 by top main shaft 24 and realizes axial location for clamping work pieces; The top of two paired side by side screw mandrels 20 is positioned at positioning and clamping mechanism that output is provided with workpiece 21 for the location of workpiece 21 and clamping, and it comprises two axle cylinders 25 and the locating piece 26 that driven by two axle cylinders 25 and a pair clamping reed 27; Locating piece 26 has the semicircle locating slot of corresponding workpiece 21, and a pair clamping reed 27 picks and places for the clamping of workpiece 21.
With reference to figure 1 and 2, the operation principle of synchronous screw feed mechanism is:
First the thread forming tap of fixed dimension is placed on screw mandrel 20 paired side by side, then according to the size of workpiece 21, lifting screw 12 and horizontal screw bolt 15 is adopted to regulate the vertical of workpiece 21 orientation axis and horizontal level, the orientation axis of workpiece 21 is coaxially overlapped with the orientation axis of a pair back dead centre 23, then driving gear 18 is driven by servomotor 17 step pitch, driving gear 18 is driven into right driven gear 19, and then drive trapezoidal screw 20 step pitch feeding paired side by side, and the locating piece 26 driven by two axle cylinders 25 and clamping reed 27 by workpiece 21 one by one feeding to after between paired back dead centre 23, located by paired back dead centre 23, finally namely by emery wheel, machining screw is started to thread forming tap.
With reference to figure 3 and 4, the main axle structure of thread forming tap automatic thread grinding machine provided by the invention, it is arranged on the Y-direction slide unit 32 of grinding machine, comprise: axial actuating mechanism and axial positioning mechanism, axial actuating mechanism and axial positioning mechanism are arranged on a landing slab 39, and landing slab 39 is installed in parallel on the Y-direction slide unit 32 of grinding machine by the guide rail that be arranged in parallel and slide unit 38; Axial actuating mechanism comprises: servomotor 37, and the gear 34 of grinding one's teeth in sleep driven by servomotor 37, and servomotor drives gear 34 of grinding one's teeth in sleep to rotate by decelerator 36 and the shaft coupling 35 that is positioned at power axle bed 33; Axial positioning mechanism comprises: be arranged on the clamping cylinder 48 on landing slab 39 by adjustment fixture block 47, by the synchronously driven housing of clamping cylinder 48 and stage clip 45, driven by stage clip 45 and to be arranged on before on top fixed axis 43 top 49, and axially corresponding before top 49 and hard-wired tail centre 31; Before housing correspondence, one end of top 49 has bearing holder (housing, cover) 41, and bearing holder (housing, cover) 41 has the little trapezoid-shaped openings of external diameter large diameter, landing slab 39 is provided with the trapezoidal collet 40 of respective shaft bearing sleeve 41, and collet 40 and trapezoid-shaped openings are mutually full of arranging and put; Grind one's teeth in sleep in housing radial direction has, axially the gear 34 of grinding one's teeth in sleep be connected with bearing holder (housing, cover) 41 is provided with along front top 49 in housing, gear 34 of grinding one's teeth in sleep in housing is connected with a joggle with the gear 34 of grinding one's teeth in sleep of axial actuating mechanism thus drives bearing holder (housing, cover) 41 and collet 40 to rotate, wherein, housing comprises front slide housing 42 and rear slider case 46, rear slider case 46 to be set on top fixed axis 43 by opening linear bearing 44 and to be driven by clamping cylinder 48 and slides axially, and front slide housing 42 is driven by rear slider case 46 and slides axially; Bearing holder (housing, cover) 41 is arranged on the end of front slide housing 42 and corresponding collet 40, is provided with the gear 34 of grinding one's teeth in sleep be connected with bearing holder (housing, cover) 41 in front slide housing 42.
With reference to figure 3 and 4, the operation principle of mainshaft mechanism is:
First moved axially by clamping cylinder 48 drive shell and stage clip 45, thus drive front top 49 to coordinate tail centre 31 by workpiece 51 axial location by stage clip 45, coordinate collet 40 with radial clamping workpiece 51 by the axial driving shaft bearing sleeve 41 of housing simultaneously, then revolving force is provided to rotate to drive gear 34 of grinding one's teeth in sleep for a pair by servomotor 37, and then drive the bearing holder (housing, cover) 41 be connected with gear 34 of grinding one's teeth in sleep in housing to rotate, thus be full of the collet 40 of joining pretension drive workpiece 51 to rotate by being connected with bearing holder (housing, cover) 41, and process screw thread by the emery wheel 50 of side.
With reference to figure 5 and 6, the emery wheel correction mechanism of thread forming tap automatic thread grinding machine provided by the invention, comprise: spindle nose matrix 61, a pair emery wheel spindle nose 62 in spindle nose matrix 61 is arranged on respectively by hollow worm gear 63 symmetry, the clutch end of emery wheel spindle nose 62 is separately installed with symmetrical diamond-impregnated wheel 69, diamond-impregnated wheel 69 is arranged on the clutch end of emery wheel spindle nose 62 by axial adjustment nut 68, for the adjustment of diamond-impregnated wheel 69 axial location; Diamond-impregnated wheel 69 is supported by bistrique matrix 71, and bistrique matrix 71 is arranged on slide unit body 73 by spherical guide pair 72, and slide unit body 73 is fixedly connected with spindle nose matrix 61, for the adjustment of diamond-impregnated wheel 69 horizontal level; Same connecting shaft worm screw 67 is jointly connected between a pair hollow worm gear 63, connecting shaft worm screw 67 is driven by a ball screw 66, the power intake of ball screw 66 is connected to servomotor 64 by decelerator 65, and power is provided to the power intake of two symmetrically arranged emery wheel spindle noses 62 by a pair hollow worm gear 63 respectively; One end of connecting shaft worm screw 67 is also connected with buncher 74, for the fine setting of connecting shaft worm screw 67 output speed.
With reference to figure 7 and 8, the thread of a pair diamond-impregnated wheel 69 all has 60 ° of tooth roots, and 60 of two diamond-impregnated wheels 69 ° of tooth roots are in axial direction contrary; Wherein, thread processing dimension in order to ensure paired diamond-impregnated wheel 69 is consistent, paired diamond-impregnated wheel 69 symmetry is arranged on an emery wheel plug 75, and adopt paired emery wheel 76 coaxially to process, and paired emery wheel 76 has the thread of 60 ° of tooth root mutual dislocation to form the contrary paired diamond-impregnated wheel 69 in 60 ° of tooth root directions.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a thread forming tap automatic thread grinding machine, is characterized in that, comprising:
Frame, be arranged on the synchronous screw feed mechanism in described frame, mainshaft mechanism and emery wheel mechanism, the charging aperture of the corresponding described mainshaft mechanism of discharging opening of described synchronous screw feed mechanism, the back dead centre of described mainshaft mechanism is corresponding to work pieces process with the emery wheel of described emery wheel mechanism;
Described synchronous screw feed mechanism comprises: right angle frame, to be arranged on grinding machine and for the support of feed mechanism and position adjustments; Described right angle frame is provided with screw mandrel installing rack, described screw mandrel installing rack is provided with paired trapezoidal screw side by side; The input of two paired side by side described screw mandrels is connected to driven gear, and two described driven gears are by being connected with a joggle to same driving gear, and described driving gear is connected to servomotor; The output correspondence of two paired side by side described screw mandrels is provided with paired back dead centre; The top of two paired side by side described screw mandrels is positioned at the positioning and clamping mechanism that output is provided with workpiece, for location and the clamping of workpiece;
Described mainshaft mechanism comprises: axial actuating mechanism and axial positioning mechanism, and described axial actuating mechanism and axial positioning mechanism are arranged on a landing slab, and described landing slab is installed in parallel on the Y-direction slide unit of grinding machine by the guide rail that be arranged in parallel and slide unit; Described axial actuating mechanism comprises: power take-off mechanism, and the gear of grinding one's teeth in sleep driven by described power take-off mechanism; Described axial positioning mechanism comprises: clamping cylinder, by the synchronously driven housing of described clamping cylinder and stage clip, top before being driven by described stage clip, and axial corresponding described front top and hard-wired tail centre; The corresponding described front top one end of described housing is provided with bearing holder (housing, cover) by bearing, described bearing holder (housing, cover) has the little trapezoid-shaped openings of external diameter large diameter, described landing slab is provided with the trapezoidal collet of corresponding described bearing holder (housing, cover), described collet and described trapezoid-shaped openings are mutually full of arranging and put; Along described front tail spindle to being provided with the gear of grinding one's teeth in sleep be connected with described bearing holder (housing, cover) in described housing, the gear of grinding one's teeth in sleep in described housing is connected with the gears meshing of grinding one's teeth in sleep of described axial actuating mechanism thus drives described bearing holder (housing, cover) and collet to rotate;
Described emery wheel mechanism comprises: spindle nose matrix, is arranged on a pair emery wheel spindle nose in described spindle nose matrix respectively by hollow worm wheel symmetrical, and the clutch end of described emery wheel spindle nose is separately installed with symmetrical diamond-impregnated wheel; Same connecting shaft worm screw is jointly connected between hollow worm gear described in a pair, described connecting shaft worm screw is driven by a ball screw, the power intake of described ball screw is connected to servomotor by decelerator, and power is provided to the power intake of two symmetrically arranged described emery wheel spindle noses by hollow worm gear respectively described in a pair; The thread of diamond-impregnated wheel described in a pair all has 60 ° of tooth roots, and 60 of two described diamond-impregnated wheels ° of tooth roots are in axial direction contrary.
2. thread forming tap automatic thread grinding machine according to claim 1, it is characterized in that, described synchronous screw feed mechanism also comprises crane, described crane is arranged on for regulating the upright position of feed mechanism to regulate the upright position of different size Workpiece fixing axis on described right angle frame by lifting screw, and described screw mandrel installing rack is arranged on described crane.
3. thread forming tap automatic thread grinding machine according to claim 2, it is characterized in that, described crane be provided with slide unit and be arranged on the slide plate coordinated on described slide unit and with described slide unit by horizontal screw bolt, described screw mandrel installing rack is arranged on described slide plate for the horizontal level regulating different size Workpiece fixing axis.
4. the thread forming tap automatic thread grinding machine according to any one of claim 1-3, is characterized in that, described positioning and clamping mechanism comprises two axle cylinders and by the locating piece of described two axle air cylinder driven and a pair clamping reed; Described locating piece has the semicircle locating slot of corresponding workpiece, clamps reed and pick and place for the clamping of workpiece described in a pair.
5. thread forming tap automatic thread grinding machine according to claim 1, it is characterized in that, the power take-off mechanism of described axial actuating mechanism is servomotor, and described servomotor drives gears meshing of grinding one's teeth in sleep described in a pair to rotate by decelerator and the shaft coupling that is positioned at power axle bed.
6. thread forming tap automatic thread grinding machine according to claim 1, is characterized in that, described clamping cylinder adjusts the installation site on described landing slab, for the clamping of different length instrument by regulating fixture block.
7. thread forming tap automatic thread grinding machine according to claim 1, is characterized in that, to be describedly frontly toply connected with described stage clip by top fixed axis; Described housing comprises front slide housing and rear slider case, described rear slider case to be set on described top fixed axis by opening linear bearing and to be driven by described clamping cylinder and slides axially, and described front slide housing is driven by described rear slider case and slides axially; Described bearing holder (housing, cover) is arranged on the end of described front slide housing and corresponding described collet, is provided with gear of grinding one's teeth in sleep described in being connected with described bearing holder (housing, cover) in described front slide housing.
8. thread forming tap automatic thread grinding machine according to claim 1, is characterized in that, described diamond-impregnated wheel is arranged on the clutch end of described emery wheel spindle nose by axial adjustment nut, for the adjustment of described diamond-impregnated wheel axial location.
9. thread forming tap automatic thread grinding machine according to claim 1, it is characterized in that, described diamond-impregnated wheel is supported by bistrique matrix, described bistrique matrix is arranged on slide unit body by spherical guide pair, described slide unit body is fixedly connected with described spindle nose matrix, for the adjustment of described diamond-impregnated wheel horizontal level.
10. the thread forming tap automatic thread grinding machine according to claim 1 or 8 or 9, is characterized in that, one end of described connecting shaft worm screw is also connected with buncher, for the fine setting of connecting shaft worm screw output speed.
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|---|---|---|---|
| CN201610066338.6A CN105500124B (en) | 2016-01-30 | 2016-01-30 | Thread forming tap automatic thread grinding machine |
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| CN201610066338.6A CN105500124B (en) | 2016-01-30 | 2016-01-30 | Thread forming tap automatic thread grinding machine |
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| CN105500124B CN105500124B (en) | 2017-07-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956141A (en) * | 2017-04-14 | 2017-07-18 | 杭州邦维流体技术有限公司 | A kind of fixture processed for roots rotor |
| CN108262650A (en) * | 2017-01-03 | 2018-07-10 | 苏州精协机械制造有限公司 | Digitally controlled multifunctional tap shovel |
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| CN205465490U (en) * | 2016-01-30 | 2016-08-17 | 苏州精协机械制造有限公司 | Automatic thread grinder of extrusion tap |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108262650A (en) * | 2017-01-03 | 2018-07-10 | 苏州精协机械制造有限公司 | Digitally controlled multifunctional tap shovel |
| CN108262650B (en) * | 2017-01-03 | 2023-07-14 | 苏州精协机械制造有限公司 | Numerical control multifunctional tap relief grinding machine |
| CN106956141A (en) * | 2017-04-14 | 2017-07-18 | 杭州邦维流体技术有限公司 | A kind of fixture processed for roots rotor |
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| Publication number | Publication date |
|---|---|
| CN105500124B (en) | 2017-07-11 |
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