CN112935815A - Automatic sequencing and tapping device for internal thread ball head part and machining method - Google Patents
Automatic sequencing and tapping device for internal thread ball head part and machining method Download PDFInfo
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- CN112935815A CN112935815A CN202110180172.1A CN202110180172A CN112935815A CN 112935815 A CN112935815 A CN 112935815A CN 202110180172 A CN202110180172 A CN 202110180172A CN 112935815 A CN112935815 A CN 112935815A
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 45
- 238000012163 sequencing technique Methods 0.000 title claims abstract description 25
- 238000003754 machining Methods 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 15
- 238000012545 processing Methods 0.000 claims abstract description 67
- 238000005553 drilling Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003672 processing method Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
- B23D79/04—Machines or devices for scraping with rotating cutting-tool, e.g. for smoothing linings of bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/18—Machines with one working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/03—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of endless chain conveyors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
- Feeding Of Workpieces (AREA)
Abstract
The invention discloses an automatic sequencing and tapping device for an internal thread ball head part and a processing method, wherein the automatic sequencing and tapping device comprises the following steps: a feeding assembly; the feeding assembly is arranged corresponding to the feeding assembly; the processing subassembly includes first frame and the rotatable carousel that sets up on this first frame, the carousel corresponds the pay-off subassembly end sets up, the carousel makes graduation intermittent type formula rotation under first power unit's effect, the carousel week is followed the distribution and is had the processing portion that is used for placing the work piece, correspond on the first frame processing portion is provided with positioning fixture, installs fixed point unit, drilling unit, chamfer unit and attacks the screw thread unit around this carousel week on following the first frame of side. According to the invention, the automatic feeding and processing of the internal thread ball head part are carried out by arranging the feeding assembly, the feeding assembly and the processing assembly, so that the feeding and processing time can be saved, and the feeding and processing efficiency of the internal thread ball head part can be greatly improved.
Description
Technical Field
The invention relates to the technical field of internal thread ball head machining, in particular to an automatic sequencing and tapping device and a machining method for internal thread ball head parts.
Background
At present, a plurality of machining devices for internal thread ball head parts exist in the market. These machining devices often require separate operations for machining. When the inner wire ball head part is processed in each process, the processed inner wire ball heads are collected in a centralized mode and then are transported to the next process for processing.
Disclosure of Invention
The invention aims to provide an automatic sequencing and tapping device for an internal thread ball head part, aiming at the problems.
The invention also aims to provide a machining method implemented by the automatic sequencing and tapping device for the internal thread ball head part, aiming at the problems.
The technical scheme adopted by the invention for realizing the purpose is as follows:
an internal thread ball head part automatic sequencing tapping device includes:
a feeding assembly;
the feeding assembly is arranged corresponding to the feeding assembly;
the machining assembly comprises a first machine base and a rotary table which is rotatably arranged on the first machine base, the rotary table is arranged corresponding to the tail end of the feeding assembly, the rotary table rotates in an indexing intermittent manner under the action of a first power mechanism, machining parts for placing workpieces are distributed on the peripheral edge of the rotary table, a positioning clamp is arranged on the first machine base corresponding to the machining parts, and a fixed point unit, a drilling unit, a chamfering unit and a tapping unit are arranged on the first machine base around the side of the peripheral edge of the rotary table;
wherein, the processing part comprises a first positioning groove formed on the upper surface of the turntable in a concave manner, a processing groove formed on the first positioning groove in a concave manner and a first matching block which is far away from the first positioning groove and is formed on the upper surface of the turntable in a convex manner, the first positioning groove is an open type groove, the opening of the first positioning groove faces the positioning fixture, the inner side wall surface of the first positioning groove is arc-shaped and is used for fitting a workpiece, the shape of the processing groove is matched with that of a workpiece so as to be used for fitting the workpiece, the first fitting block is arranged along the edge of the first positioning groove towards the end surface of the positioning clamp, the end face, facing the positioning clamp, of the first matching block is set to be arc-shaped, and the arc center, facing the end face of the positioning clamp, of the first matching block is overlapped with the arc center, facing the inner side wall face of the first positioning groove, of the arc;
the positioning fixture comprises a first supporting plate, a positioning cylinder and a positioning block, the first supporting plate is fixed on the first base, the positioning cylinder is fixed on the first supporting plate, a piston rod of the positioning cylinder faces towards the rotary table, and the piston rod of the positioning cylinder is connected with the positioning block.
Preferably, the positioning block comprises a first base body and a second base body connected and molded on the first base body, the size of the first base body is matched with the size of the first positioning groove, the first base body is movably arranged in the first positioning groove, the end face of the first base body facing the first matching block is set to be an arc face, the arc center of the end face of the first base body facing the first matching block and the arc center of the side wall of the processing groove are located on the same vertical axis, the two opposite ends of the second base body are protruded out of the two opposite ends of the first base body, the end face of the second base body facing the first matching block is recessed to form a first clamping groove, the groove wall of the first clamping groove is set to be an arc face, the arc center of the groove wall of the first clamping groove and the arc center of the end face of the first base body facing the first matching block are located on the same vertical axis, the first clamping groove is formed in the end face of the first matching block, the second base body faces the two sides of the opening of the first clamping groove, the end face of the second base body faces the end face of the first matching block is an inclined face used for conveniently surrounding and clamping a workpiece, and the second base body faces the end face of the positioning clamp, and a first threaded hole is formed in the end face of the positioning clamp and used for being connected with a piston rod of a positioning air cylinder.
Preferably, the feeding assembly comprises a second base, a third base, a first driving motor, a first speed reducer, a first transmission mechanism and a chain plate, the second base is located beside the first base, the second base comprises a first support, a second support located right above the first support and a third support located obliquely above the second support, the third base is located on one side of the second base, the first driving motor and the first speed reducer are fixed on the third base, the output end of the first driving motor is connected with the input end of the first speed reducer through a first coupling, the output end of the first speed reducer is connected with the first transmission mechanism through a second coupling to drive the first transmission mechanism to move, the first transmission mechanism is respectively arranged on the first support and the third support, and the chain plate is connected with the first transmission mechanism and forms a circular belt shape, this link joint slope set up in on the second frame, the contained angle of this link joint bottom and the horizontal plane of this second frame is 45 to 75, is close to link joint bottom just be provided with the workbin on the second support, the opening of this workbin sets up towards this link joint, is close to link joint top just correspond on the third support the pay-off subassembly slope is provided with the slide.
Preferably, the first transmission mechanism comprises a first bearing block, a second bearing block, a first driving shaft, a driving gear, a first driven shaft, a driven gear and a chain, the first bearing block is symmetrically installed on the first support, the second bearing block is symmetrically installed on the third support, the first driving shaft penetrates through and is supported in the first bearing block which is symmetrically arranged, one end of the first driving shaft extends out of the first bearing block and is connected with the output end of the first speed reducer, the driving gear is symmetrically sleeved on the first driving shaft, the first driven shaft penetrates through and is supported in the second bearing block which is symmetrically arranged, the driven gear is symmetrically sleeved on the first driven shaft, and the chain is respectively engaged with the driving gear and the driven gear and is connected with the chain plate;
transverse baffle plates are distributed on the chain plates at intervals and used for supporting workpieces;
and a limiting spring is transversely and obliquely arranged above the chain plate and on the second bracket and used for blocking the workpieces protruding or stacked on the transverse baffle plate from advancing, and the limiting spring is parallel to the chain plate.
Preferably, the feeding assembly comprises a fourth base, a fourth support, a third bearing seat, a fourth bearing seat, a second driving motor, a second driving shaft, a second driven shaft, a conveyor belt and a conveying channel, the fourth base is located on one side of the feeding assembly, the third bearing seat and the fourth bearing seat are arranged on the fourth base in parallel along the advancing direction of the workpiece, the fourth support is mounted on the fourth base and close to the third bearing seat, the second driving motor is arranged on the fourth support, the output shaft of the second driving motor faces the third bearing seat, the second driving shaft penetrates and is supported in the third bearing seat, one end of the second driving shaft extends out of the third bearing seat, the second driven shaft penetrates and is supported in the fourth bearing seat, and the conveyor belt is wound on the second driving shaft, On a second driven shaft, the output end of a second driving motor is connected with a second driving shaft through a third coupler for driving the transmission of a conveyor belt, a limiting part is arranged above the conveyor belt and connected onto a third bearing seat and a fourth bearing seat, the limiting part comprises a first side plate, a second side plate and a first transverse plate, the two opposite ends of the first side plate are respectively provided with a first contact pin in a downward extending manner, the second side plate is arranged on one side of the first side plate in parallel, a second contact pin is arranged on the second side plate in a downward extending manner, the length of the first side plate is larger than that of the second side plate, the first transverse plate is connected onto the first side plate and the second side plate, the width of the first transverse plate is the same as that of the conveyor belt for blocking stacked workpieces from advancing and falling into a conveying passage, and the second driving shaft passes through the first contact pin, the second driven shaft penetrates through the other first contact pin and the second contact pin, the conveying channel is arranged on the fourth base corresponding to the conveying belt, and a blanking channel is arranged at the tail end of the conveying channel corresponding to the processing part.
Preferably, the conveying is said and is close to the blanking is said and is provided with the fender subassembly in order to be used for stopping that the work piece gos forward and makes the orderly blanking of work piece one side keep away from the blanking is said and be close to in the conveying is said and is provided with quantity sensor and observation probe in order to be used for calculating the work piece quantity that passes through and observe the work piece state, keep away from the blanking is said and conveying is said and is provided with the vibration subassembly in one side in order to be used for shaking the work piece extremely in the workbin, be located vibration subassembly opposite side just corresponds conveying is said, the workbin is.
Preferably, the fixed point unit includes a first triaxial mechanical arm and a first rotating motor, the first triaxial mechanical arm is disposed beside the turntable, the first rotating motor is disposed at an output end of the first triaxial mechanical arm, and an output end of the first rotating motor 352 is connected to the fixed point drill;
the drilling unit comprises a second triaxial mechanical arm and a second rotating motor, the second triaxial mechanical arm is arranged on one side of the first triaxial mechanical arm, the second rotating motor is arranged at the output end of the second triaxial mechanical arm, and the output end of the second rotating motor is connected with a drilling bit;
the chamfering unit comprises a third triaxial mechanical arm and a third rotating motor, the third triaxial mechanical arm is arranged on one side of the second triaxial mechanical arm, the third rotating motor is arranged at the output end of the third triaxial mechanical arm, and the output end of the third rotating motor is connected with a chamfering drill bit;
the tapping unit comprises a fourth triaxial mechanical arm and a fourth rotating motor, the fourth triaxial mechanical arm is arranged on one side of the third triaxial mechanical arm, the fourth rotating motor is arranged at the output end of the fourth triaxial mechanical arm, and the output end of the fourth rotating motor is connected with a tapping drill bit.
Preferably, a blanking manipulator is arranged on one side of the tapping unit and used for carrying the machined workpiece.
A method for machining an internal thread ball head part comprises the following steps:
the internal thread ball head parts to be processed are intensively poured into a material box, the workpieces in the material box are extruded out of the material box due to the fact that the workpieces are too many, the workpieces just fall onto a chain plate at the moment, and the workpieces are supported by a transverse baffle plate;
when the chain plate moves to the topmost position and begins to fall, the workpiece falls into the conveyor belt due to the self gravity, the conveyor belt conveys the workpiece into the conveying channel, and finally the workpiece falls into the machining assembly from the blanking channel for tapping machining;
if the number of the workpieces in the conveying channel exceeds the volume space of the conveying channel, the vibration assembly can vibrate the redundant workpieces again to fall into the material box, and then the workpieces are fed again.
Preferably, the tapping process includes:
the turntable rotates clockwise, the processing part with the workpiece rotates to the position of a next positioning clamp, the positioning clamp fixes the workpiece in the processing part, the fixed point unit performs fixed point drilling marking on the upper surface of the workpiece, and after the marking is finished, the positioning clamp is released;
the turntable rotates clockwise to the position of a next positioning clamp, the positioning clamp fixes the workpiece in the machining part, the drilling unit drills holes at the position facing the mark on the workpiece, and after drilling is completed, the positioning clamp is released;
the rotary table rotates to the position of a next positioning clamp along the clockwise direction, the positioning clamp fixes the workpiece in the machining part, the chamfering unit performs chamfering machining on a drilling opening, the third three-axis mechanical arm drives the chamfering drill to be arranged on the central axis of the hole site of the workpiece, the distance between the lower edge of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a first distance, the distance between the outer side surface of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a second distance, the first distance is larger than the second distance at the moment, the chamfering drill is moved and the moving length is the second distance, the third three-axis mechanical arm drives the chamfering drill to clockwise rotate around the opening for five circles, the horizontal grinding distance of the chamfering drill to the opening of the workpiece; then moving the chamfering drill bit to perform sine wave type moving grinding along the chamfering angle along the clockwise direction; finally, the lower surface of the chamfering drill bit is attached to the upper surface of the workpiece for grinding, chamfering processing is completed, and the positioning clamp is loosened;
the carousel rotates to next positioning fixture position along the clockwise, and positioning fixture fixes the work piece in the processing portion, and the unit of attacking the screw is facing to drilling and is attacking the screw processing, and fourth triaxial arm drive is attacking the screw drill bit and is going out to rotate and offer out the screw at the drilling inner wall, accomplishes the processing back of attacking the screw, and positioning fixture loosens to the work piece unloading of accomplishing processing.
The invention has the beneficial effects that: according to the invention, the automatic feeding and processing of the internal thread ball head part are carried out by arranging the feeding assembly, the feeding assembly and the processing assembly, so that the feeding and processing time can be saved, and the feeding and processing efficiency of the internal thread ball head part can be greatly improved.
The invention is further described with reference to the following figures and examples.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of an automatic sequencing tapping device for an internally threaded ball head part according to an embodiment of the invention;
fig. 2 is an enlarged schematic structural view of a processing portion and a positioning block according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a positioning block according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a feeding assembly and a feeding assembly provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a limiting portion according to an embodiment of the present invention;
fig. 6 is a top view of a material stop block provided in the embodiment of the present invention;
FIG. 7 is a schematic diagram of a tooling assembly provided by an embodiment of the present invention;
FIG. 8 is a sinusoidal partial displacement trace of a chamfer bit in a clockwise direction according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it should be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Referring to fig. 1 to 7, an automatic internal thread ball head part sequencing and tapping device in an alternative embodiment comprises:
a feeding assembly 1;
the feeding component 2 is arranged corresponding to the feeding component;
the machining assembly 3 comprises a first machine base 31 and a rotary table 32 which is rotatably arranged on the first machine base 31, the rotary table 32 is arranged corresponding to the tail end of the feeding assembly, the rotary table 32 rotates in an indexing intermittent manner under the action of a first power mechanism, machining parts 33 for placing workpieces are distributed on the periphery of the rotary table 32, a positioning clamp 34 is arranged on the first machine base 31 corresponding to the machining parts 33, and a fixed point unit 35, a drilling unit 36, a chamfering unit 37 and a tapping unit 38 are arranged on the first machine base 31 around the side of the periphery of the rotary table 32;
wherein the processing part 33 comprises a first positioning groove 331 formed on the upper surface of the turntable 32 in a concave manner, a processing groove 332 formed on the first positioning groove 331 in a concave manner, and a first engaging block 333 formed on the upper surface of the turntable 32 in a convex manner and away from the first positioning groove 331, the first positioning groove 331 is an open type groove, the opening of the first positioning groove 331 is disposed toward the positioning jig 34, the inner side wall surface of the first positioning groove 331 is disposed in an arc shape for fitting a workpiece, the shape of the processing groove 332 is matched with the workpiece for fitting the workpiece, the first fitting block 333 is provided along the edge of the first positioning groove 331 toward the end surface of the positioning jig 34, the end surface of the first fitting block 333 facing the positioning clamp 34 is arc-shaped, and the arc center of the arc where the end surface of the first fitting block 333 facing the positioning clamp 34 is located is overlapped with the arc center of the arc where the inner side wall surface of the first positioning groove 331 is located;
the positioning fixture 34 includes a first supporting plate 341, a positioning cylinder 342, and a positioning block 343, the first supporting plate 341 is fixed on the first housing 31, the positioning cylinder 342 is fixed on the first supporting plate 341, a piston rod of the positioning cylinder 342 is disposed toward the turntable 32, and a piston rod of the positioning cylinder 342 is connected to the positioning block 343.
The opening of the first positioning groove 331 facilitates pushing in of the positioning jig 34, when the workpiece falls into the processing portion 33, the lower end of the workpiece is placed in the processing groove 332, the processing groove 332 is oval in shape, and when the workpiece is not fixed by the positioning jig 34, the lower end of the workpiece is placed in the processing groove 332, but can move freely, and is not fixed firmly. When the positioning clamp 34 fixes the workpiece, the positioning clamp 34 pushes the workpiece and enables the workpiece component to approach the first matching block 333, and because the radian of the joint surfaces of the first matching block 333, the first positioning groove 331 and the processing groove 332 with the workpiece is matched with the radian of the peripheral edge of the workpiece, the workpiece can be well jointed on the first matching block 333 to play a role of stabilizing the workpiece during processing, and the workpiece is prevented from moving randomly; in addition, the first engaging block 333 can prevent the upper end of the workpiece from inclining, so as to further improve the processing precision of the workpiece, and the first engaging block 333 can provide a horizontal and transverse supporting force on one side of the workpiece, thereby effectively ensuring the workpiece to topple.
In addition, when the positioning clamp 34 clamps the workpiece, a circular clamping space is formed between the positioning block 343 and the first engagement block 333 of the positioning clamp 34, and the circular clamping space is matched with the outer periphery of the workpiece in size, so that the upper end of the workpiece does not extend beyond the second base when the workpiece is clamped. With the above structure, the second base of the positioning block 343 can completely cover the other side of the workpiece, thereby making the workpiece more stable when moving.
In addition, the oval arrangement of the processing tank 332 can adapt to various cylindrical inner thread ball head workpieces with different sizes, and the adaptability and the processing diversity of the device are further improved.
Referring to fig. 1 to 7, in an alternative embodiment of the automatic internal thread ball-head part sequencing and tapping apparatus, the positioning block 343 includes a first base 3431 and a second base 3432 connected and formed on the first base 3431, the first base 3431 is matched with the first positioning groove 331 in size, the first base 3431 is movably disposed in the first positioning groove 331, an end surface of the first base 3431 facing the first fitting block 333 is provided as a curved surface, an arc center of the first base 3431 facing the end surface of the first fitting block 333 is located on the same vertical axis as an arc center of the side wall of the machining groove 332, opposite ends of the second base 3432 protrude from opposite ends of the first base 3431, an end surface of the second base 3432 facing the first fitting block 333 is recessed to form a first clamping groove 3432a, the groove wall of the first clamping groove 3432a is set to be an arc surface, the arc center of the arc shape of the groove wall of the first clamping groove 3432a and the arc center of the arc shape of the end surface of the first base 3431 facing the first matching block 333 are located on the same vertical axis, the end surfaces of the first clamping groove 3432a and the second base 3432 facing the first matching block 333 are set to be inclined surfaces so as to surround and clamp a workpiece, and the end surface of the second base 3432 facing the positioning fixture 34 is provided with a first threaded hole 3432b for connecting with a piston rod of the positioning cylinder 342.
The size of the first base 3431 is matched with the size of the first positioning groove 331, and only a small gap exists between the first base 3431 and the first positioning groove 331 for the first base 3431 to move smoothly in the first positioning groove 331, and the first positioning groove 331 can play a guiding role to move the first base 3431 along the first positioning groove 331.
The first base 3431 and the second base 3432 are integrally formed.
Referring to fig. 1 to 7, in an alternative embodiment of the automatic internal thread ball head part sequencing and tapping device, the feeding assembly 1 includes a second base 11, a third base 12, a first driving motor 13, a first speed reducer 14, a first transmission mechanism and a chain plate 16, the second base 11 is located beside the first base 31, the second base 11 includes a first bracket 111, a second bracket 112 located right above the first bracket 111, and a third bracket 113 located obliquely above the second bracket 112, the third base 12 is located at one side of the second base 11, the first driving motor 13 and the first speed reducer 14 are fixed on the third base 12, an output end of the first driving motor 13 is connected to an input end of the first speed reducer 14 through a first coupling, an output end of the first speed reducer 14 is connected to the first transmission mechanism through a second coupling to drive the first transmission mechanism, the first transmission mechanism is respectively arranged on the first support 111 and the third support 113, the chain plate 16 is connected to the first transmission mechanism and forms a circular belt shape, the chain plate 16 is obliquely arranged on the second base 11, an included angle between the bottom end of the chain plate 16 and the horizontal plane of the second base 11 is 45-75 degrees, the included angle is close to the bottom end of the chain plate 16 and a material box 17 is arranged on the second support 112, an opening of the material box 17 is arranged towards the chain plate 16, and a sliding plate 18 is obliquely arranged on the third support 113 corresponding to the feeding component 2 and close to the top end of the chain plate 16.
When the chain plate 16 is used, the first driving motor 13 drives the first speed reducer 14 to rotate, the first speed reducer 14 drives the first transmission mechanism to rotate, and the first transmission mechanism rotates to enable the chain plate 16 to rotate along the first transmission mechanism. The first transmission mechanism and the chain plate 16 are obliquely arranged on the second machine base 11 after being combined, and the included angle between the bottom end of the chain plate 16 and the horizontal plane of the second machine base 11 is 70 degrees. In addition, the included angle formed between the bottom of the bin 17 and the chain plate 16 is also 70 degrees, and the distance between the bin 17 and the chain plate 16 cannot be too large by keeping the included angle between the bottom of the bin 17 and the chain plate 16 to be 70 degrees. If the distance between the work bin 17 and the chain plate 16 is too large, the work pieces will not fall onto the horizontal baffle smoothly when being squeezed out of the work bin 17.
Referring to fig. 1 to 7, in an alternative embodiment of the internal thread ball head part automatic sequencing tapping device, the first transmission mechanism includes a first bearing seat 151, a second bearing seat 152, a first driving shaft, a driving gear 153, a first driven shaft, a driven gear 154 and a chain, the first bearing seat 151 is symmetrically installed on the first bracket 111, the second bearing seat 152 is symmetrically installed on the third bracket 113, the first driving shaft passes through and is supported in the first bearing seat 151 which is symmetrically arranged, one end of the first driving shaft extends out of the first bearing seat 151 and is connected with an output end of the first speed reducer 14, the driving gear 153 is symmetrically sleeved on the first driving shaft, the first driven shaft passes through and is supported in the second bearing seat 152 which is symmetrically arranged, the driven gear 154 is symmetrically sleeved on the first driven shaft, the chain is respectively meshed with the driving gear 153 and the driven gear 154 and is connected with the chain plate 16;
a limiting spring is obliquely arranged on the second bracket 112 in the transverse direction above the link plate 16 for blocking the advance of the workpieces protruding or stacked on the cross baffle 161, and is parallel to the link plate 16.
The first bearing seat 151 and the second bearing seat 152 are not arranged on the same vertical plane, but are arranged in a staggered manner, and the link plate 16 can be ensured to be obliquely arranged on the second machine base 11 by adopting the structure. In use, the first driving motor 13 drives the first speed reducer 14 to operate, and the first speed reducer 14 drives the first driving shaft to rotate counterclockwise, so that the driving gear 153 also rotates counterclockwise. Since the driving gear 153 and the driven gear 154 are connected together by a chain, the driven gear 154 is also rotated in a counterclockwise direction by the driving gear 153. The chain is connected with the chain plate 16 to drive the chain plate 16 to rotate, so that the chain plate 16 carries the workpiece from the position of the material box 17 to rise to the highest position of the chain plate 16, and the workpiece on the transverse baffle plate 161 slides on the conveying belt due to the gravity of the workpiece, thereby completing the feeding process.
When carrying the work piece and lifting work piece on sprocket, the horizontal baffle, if there is the work piece of piling up on the horizontal baffle, after spacing spring, can contact with spacing spring when the work piece that piles up, and then stopped advancing to fall into on workbin or the next horizontal baffle.
Referring to fig. 1 to 7, in an alternative embodiment of the automatic internal thread ball head part sequencing and tapping apparatus, the feeding assembly 2 includes a fourth base 21, a fourth support 22, a third bearing seat 23, a fourth bearing seat 24, a second driving motor 25, a second driving shaft, a second driven shaft, a conveyor belt 26 and a conveyor path 27, the fourth base 21 is located at one side of the feeding assembly 1, the third bearing seat 23 and the fourth bearing seat 24 are juxtaposed on the fourth base 21 along a workpiece advancing direction, the fourth support 22 is mounted on the fourth base 21 and close to the third bearing seat 23, the second driving motor 25 is disposed on the fourth support 22, an output shaft of the second driving motor 25 is disposed toward the third bearing seat 23, and the second driving shaft penetrates and is supported in the third bearing seat 23, one end of the second driving shaft extends out of the third bearing seat 23, the second driven shaft passes through and is supported in the fourth bearing seat 24, the conveyor belt 26 is wound on the second driving shaft and the second driven shaft, the output end of the second driving motor 25 is connected with the second driving shaft through a third coupler for driving the conveyor belt 26 to transmit, the limiting part 28 is located above the conveyor belt 26 and is connected with the third bearing seat 23 and the fourth bearing seat 24, the limiting part 28 comprises a first side plate 281, a second side plate 282 and a first transverse plate 283, the opposite ends of the first side plate 281 are respectively provided with a first contact pin 2811 in a downward extending manner, the second side plate 282 is arranged on one side of the first side plate 281 in parallel, the second side plate 282 is provided with a second contact pin 2821 in a downward extending manner, and the length of the first side plate 281 is greater than that of the second side plate 282, the first horizontal plate 283 is connected to the first side plate 281 and the second side plate 282, the width of the first horizontal plate 283 is the same as the width of the conveyor belt 26 for blocking the stacked workpieces from advancing and falling into the conveying path 27, the second driving shaft passes through one of the first contact pins 2811, the second driven shaft passes through the other of the first contact pins 2811 and the second contact pin 2821, the conveying path 27 is arranged on the fourth machine base 21 corresponding to the conveyor belt 26, and the tail end of the conveying path 27 is provided with a blanking path 271 corresponding to the processing portion 33.
When the workpiece conveying device is used, the second driving motor 25 drives the second driving shaft to rotate anticlockwise (namely the workpiece advancing direction), and the second driving shaft and the second driven shaft are connected together through the transmission belt, so that the second driven shaft and the transmission belt also rotate anticlockwise, and the workpiece is driven to move towards the conveying channel 27.
In addition, a limiting part 28 is arranged on the conveyor belt 26, and the limiting part 28 can effectively prevent the workpieces from falling onto the conveying channel 27 in a stacked state, so that the workpieces orderly fall onto the conveying channel 27. The first side plate 281 is disposed opposite to the link plate 16, and is used for preventing the workpiece from rolling out of the conveyor belt 26 when the workpiece falls down, so as to block the workpiece from rolling out of the conveyor belt 26. In addition, the first horizontal plate 283 is used for limiting the advance of the stacked workpieces and blocking the stacked workpieces so as to enable the stacked workpieces to fall down, thereby ensuring the ordered delivery of the workpieces.
Referring to fig. 1 to 7, in an automatic internal thread ball head part sequencing and tapping device in an optional embodiment, a material blocking assembly is arranged on one side of the conveying channel 27 close to the material dropping channel 271 and used for blocking a workpiece from going forward so that the workpiece can be dropped in order, a quantity sensor and an observation probe are arranged on the conveying channel 27 close to the material blocking assembly and used for calculating the number of passing workpieces and observing the state of the workpieces, a vibration assembly is arranged on one side of the conveying channel 27 far away from the material dropping channel 271 and used for vibrating the workpiece to the material box 17, and a lower slideway 29 is arranged on the other side of the vibration assembly and corresponding to the conveying channel 27 and the material box 17.
Wherein, keeping off the material subassembly including keeping off material cylinder and keeping off the material piece, keeping off material cylinder level and setting up in conveying 27 one side, the piston rod of keeping off the material cylinder is said 27 settings towards this conveying, keeps off the material piece and connects on the piston rod of this keeping off material cylinder, and the piston rod drive of keeping off the material cylinder keeps off the material piece and is saying 27 lateral shifting on the conveying, and then the separation work piece gos forward. The material blocking assembly can prevent excessive workpieces from being accumulated on the conveying channel 27, the workpieces can be guaranteed to enter the processing assembly 3 for processing through the blanking channel 271 in order, the workpieces accumulated on the conveying channel 27 can fall down through the vibration of the vibration assembly into the slide channel, and fall into the material box 17 through the lower slide channel 29 for reloading.
Wherein, the vibration subassembly includes vibrating cylinder and vibrating mass, vibrating cylinder level sets up in transfer passage 27 one side, and vibrating cylinder's piston rod sets up towards this transfer passage 27, and the vibrating mass is connected on this vibrating cylinder's piston rod, and vibrating cylinder's piston rod moves and then drives vibrating mass vibration transfer passage 27 according to certain frequency to the work piece that makes to press close to transfer passage 27 wall is shaken away from transfer passage 27 wall, and at this moment, work piece in the transfer passage 27 has partly work piece to be shaken if in the middle of the lower slide 29 gets back to workbin 17 again under the collision each other, and then material loading again.
In addition, the material blocking block is roughly arranged in a square structure, the material blocking block is back to one end face of the material blocking cylinder, a groove matched with the appearance of a workpiece is formed in the concave mode, and the two opposite ends of the opening of the groove are respectively arranged to be pointed ends for separating the workpieces to be blanked.
In addition, a turnover mechanical arm is arranged on one side of the conveying channel and used for clamping the workpiece to turn over if the workpiece passes through the quantity sensor and the position of the observation probe when the position of the workpiece is incorrect, so that the workpiece is in the correct position.
Referring to fig. 1 to 7, in an alternative embodiment of the internal thread ball head part automatic sequencing and tapping apparatus, the pointing unit 35 includes a first three-axis robot arm 351 and a first rotating motor 352, the first three-axis robot arm 351 is disposed beside the rotating disc 32, the first rotating motor 352 is disposed at an output end of the first three-axis robot arm 351, and an output end of the first rotating motor 352 is connected with a pointing drill 353;
the drilling unit 36 includes a second triaxial mechanical arm 361 and a second rotating motor 362, the second triaxial mechanical arm 361 is disposed at one side of the first triaxial mechanical arm 351, the second rotating motor 362 is disposed at an output end of the second triaxial mechanical arm 361, and an output end of the second rotating motor 362 is connected with a drilling bit 363;
the chamfering unit 37 comprises a third triaxial mechanical arm 371 and a third rotating motor 372, the third triaxial mechanical arm 371 is arranged on one side of the second triaxial mechanical arm 361, the third rotating motor 372 is arranged at the output end of the third triaxial mechanical arm 371, and the output end of the third rotating motor 372 is connected with a chamfering bit 373;
the tapping unit 38 comprises a fourth three-axis mechanical arm 381 and a fourth rotating motor 382, the fourth three-axis mechanical arm 381 is disposed on one side of the third three-axis mechanical arm 371, the fourth rotating motor 382 is disposed at an output end of the fourth three-axis mechanical arm 381, and an output end of the fourth rotating motor 382 is connected to a tapping drill 383.
A first sensor is disposed on one side of the first rotating motor 352 for determining a position of the first rotating motor 352, and feeding the position back to the controller to control a position of the first triaxial mechanical arm 351.
A second sensor is disposed on one side of the second rotating motor 362 for determining the position of the second rotating motor 362, and feeding back the position to the controller to control the position of the second triaxial mechanical arm 361.
A third sensor is disposed on one side of the third rotating motor 372 for determining the position of the third rotating motor 372, and feeding back the position to the controller to control the position of the third triaxial mechanical arm 371.
A fourth sensor is disposed on one side of the fourth rotating motor 382, and is used for determining the position of the fourth rotating motor 382, and feeding the position back to the controller to control the position of the fourth triaxial mechanical arm 381.
And an identification mark area is arranged on one side of each processing part on the turntable and is used for being identified by the first sensor, the second sensor, the third sensor and the fourth sensor, and the first three-axis mechanical arm, the second three-axis mechanical arm, the third three-axis mechanical arm and the fourth three-axis mechanical arm are further used for respectively controlling and moving the positions of the first rotating motor, the second rotating motor, the third rotating motor and the fourth rotating motor so that the probes on the first rotating motor, the second rotating motor, the third rotating motor and the fourth rotating motor are aligned with the workpiece.
Referring to fig. 1 to 7, in an alternative embodiment of the automatic internal thread ball head part sequencing and tapping device, a blanking manipulator (not shown) is arranged on one side of the tapping unit 38 for carrying a processed workpiece.
In an alternative embodiment, a method of manufacturing an internally threaded ball head component includes:
the internal thread ball head parts to be processed are intensively poured into the material box 17, and the workpieces in the material box 17 are too many and can be extruded out of the material box 17, and then the workpieces just fall on the chain plate 16 and are supported by the transverse baffle plate 161;
until the chain plate 16 moves to the topmost position and begins to fall, the workpiece falls into the conveyor belt 26 due to the self-gravity, the conveyor belt 26 conveys the workpiece into the conveying channel 27, and finally the workpiece falls into the machining assembly 3 from the blanking channel 271 for tapping;
if the number of the workpieces in the conveying channel 27 exceeds the volume space of the conveying channel 27, the vibration assembly will vibrate the redundant workpieces again to fall into the bin 17 for reloading.
Specifically, by adopting the workpiece feeding method, the workpieces can be orderly discharged on the conveying channel, and cannot be excessively accumulated on the conveying channel, so that the workpiece feeding efficiency can be further improved.
In an alternative embodiment, the method for machining an internally threaded ball head part includes:
the turntable 32 rotates clockwise, the processing part 33 with the workpiece rotates to the position of the next positioning clamp 34, the positioning clamp 34 fixes the workpiece in the processing part 33, the positioning unit 35 performs positioning drilling marking on the upper surface of the workpiece, and after the marking is finished, the positioning clamp 34 is released; specifically, the marking holes are formed for positioning and facilitating subsequent hole forming.
The turntable 32 rotates clockwise to the position of the next positioning clamp 34, the positioning clamp 34 fixes the workpiece in the processing part 33, the drilling unit 36 drills holes at the marked position on the workpiece, and after drilling is completed, the positioning clamp 34 is released;
the rotary table rotates to the position of a next positioning clamp along the clockwise direction, the positioning clamp fixes the workpiece in the machining part, the chamfering unit performs chamfering machining on a drilling opening, the third three-axis mechanical arm drives the chamfering drill to be arranged on the central axis of the hole site of the workpiece, the distance between the lower edge of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a first distance, the distance between the outer side surface of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a second distance, the first distance is larger than the second distance at the moment, the chamfering drill is moved and the moving length is the second distance, the third three-axis mechanical arm drives the chamfering drill to clockwise rotate around the opening for five circles, the horizontal grinding distance of the chamfering drill to the opening of the workpiece; moving the chamfering drill bit to perform sine wave type moving deburring along the chamfering angle along the clockwise direction; finally, the lower surface of the chamfering drill bit is attached to the upper surface of the workpiece for grinding, chamfering processing is completed, and the positioning clamp is loosened;
specifically, the total movement distance of the chamfering drill is the second distance plus the third distance, and the length of the second distance plus the third distance is the length of the first distance, namely when the chamfering drill is attached to the inner wall of the drill hole, chamfering preprocessing is completed. In addition, the chamfering drill bit performs sine wave type moving grinding along the clockwise direction along the chamfer angle, so that burrs generated by grinding the chamfer angle can be effectively cleaned, and the chamfering drill bit performs sine wave type moving along the clockwise direction along the chamfer angle and is attached to the chamfer wall surface to move in the horizontal direction, so that the chamfer wall surface is smoother.
The turntable 32 rotates to the position of the next positioning fixture 34 along the clockwise direction, the positioning fixture 34 fixes the workpiece in the processing part 33, the tapping unit 38 performs tapping processing on the drilled hole, the fourth triaxial mechanical arm 381 drives the tapping drill 383 to rotate on the inner wall of the drilled hole and open threads, and after the tapping processing is completed, the positioning fixture 34 is loosened, and the processed workpiece is blanked.
According to the invention, the automatic feeding and processing of the internal thread ball head part are carried out by arranging the feeding component 1, the feeding component 2 and the processing component 3, so that the feeding and processing time can be saved, and the feeding and processing efficiency of the internal thread ball head part is greatly improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides an internal thread bulb part automatic sequencing tapping device which characterized in that includes:
a feeding assembly;
the feeding assembly is arranged corresponding to the feeding assembly;
the processing subassembly, the processing subassembly includes first frame and the rotatable carousel that sets up on this first frame, the carousel corresponds the pay-off subassembly end sets up, the carousel is made graduation intermittent type formula rotation under first power unit's effect, the carousel week is followed the distribution and is had the processing portion that is used for placing the work piece, correspond on the first frame processing portion is provided with positioning fixture, installs fixed point unit, drilling unit, chamfer unit and tapping unit around this carousel week on following the first frame of side.
2. The automatic sequencing tapping device for the internally threaded ball head part according to claim 1, the processing part comprises a first positioning groove formed on the upper surface of the turntable in a concave mode, a processing groove formed on the first positioning groove in a concave mode and a first matching block which is far away from the first positioning groove and formed on the upper surface of the turntable in a protruding mode, the first positioning groove is an open type groove, the opening of the first positioning groove faces the positioning fixture, the inner side wall surface of the first positioning groove is arc-shaped and is used for fitting a workpiece, the shape of the processing groove is matched with that of a workpiece so as to be used for fitting the workpiece, the first fitting block is arranged along the edge of the first positioning groove towards the end surface of the positioning clamp, the end face, facing the positioning clamp, of the first matching block is set to be arc-shaped, and the arc center, facing the end face of the positioning clamp, of the first matching block is overlapped with the arc center, facing the inner side wall face of the first positioning groove, of the arc;
the positioning fixture comprises a first supporting plate, a positioning cylinder and a positioning block, the first supporting plate is fixed on the first base, the positioning cylinder is fixed on the first supporting plate, a piston rod of the positioning cylinder faces towards the rotary table, and the piston rod of the positioning cylinder is connected with the positioning block.
3. The automatic internal thread ball head part sequencing and tapping device as claimed in claim 2, wherein the positioning block comprises a first base body and a second base body connected and formed on the first base body, the size of the first base body is matched with the size of the first positioning groove, the first base body is movably arranged in the first positioning groove, the end face of the first base body facing the first matching block is provided with an arc surface, the arc center of the first base body facing the end face of the first matching block and the arc center of the side wall of the processing groove are located on the same vertical axis, the two opposite ends of the second base body protrude out of the two opposite ends of the first base body, the end face of the second base body facing the first matching block is concavely provided with a first clamping groove, the groove wall of the first clamping groove is provided with an arc surface, the arc center of the first clamping groove and the end face of the first base body facing the first matching block are provided with arc surfaces The arc center of the arc of the face place is located on the same vertical axis, and is located first clamping groove opening both sides just the second base body orientation the terminal surface of first cooperation piece sets up to the inclined plane so that surround and press from both sides tight work piece, the second base body orientation first screw hole is seted up to the terminal surface of positioning fixture in order to be used for being connected with the piston rod of location cylinder.
4. The automatic sequencing tapping device for the internally threaded ball head part according to claim 2, wherein the feeding assembly comprises a second base, a third base, a first driving motor, a first speed reducer, a first transmission mechanism and a chain plate, the second base is arranged beside the first base, the second base comprises a first bracket, a second bracket arranged right above the first bracket and a third bracket arranged obliquely above the second bracket, the third base is arranged on one side of the second base, the first driving motor and the first speed reducer are fixed on the third base, the output end of the first driving motor is connected with the input end of the first speed reducer through a first coupler, the output end of the first speed reducer is connected with the first transmission mechanism through a second coupler so as to drive the first transmission mechanism to move, this first drive mechanism set up respectively in on first support, the third support, the link joint is connected on this first drive mechanism and forms the circulation banded, this link joint slope set up in on the second frame, the contained angle of this link joint bottom and the horizontal plane of this second frame is 45 to 75, is close to the link joint bottom just be provided with the workbin on the second support, the opening of this workbin sets up towards this link joint, is close to the link joint top just correspond on the third support the pay-off subassembly slope is provided with the slide.
5. The automatic sequencing tapping device for internal thread ball head parts according to claim 4, wherein the first transmission mechanism comprises a first bearing seat, a second bearing seat, a first driving shaft, a driving gear, a first driven shaft, a driven gear and a chain, the first bearing seat is symmetrically mounted on the first support, the second bearing seat is symmetrically mounted on the third support, the first driving shaft penetrates through and is supported in the first bearing seat which is symmetrically arranged, one end of the first driving shaft extends out of the first bearing seat and is connected with the output end of the first speed reducer, the driving gear is symmetrically sleeved on the first driving shaft, the first driven shaft penetrates through and is supported in the second bearing seat which is symmetrically arranged, the driven gear is symmetrically sleeved on the first driven shaft, and the chain is respectively connected with the driving gear, the driven gear and the chain, The driven gear is meshed and connected with the chain plate;
transverse baffle plates are distributed on the chain plates at intervals and used for supporting workpieces;
and a limiting spring is transversely and obliquely arranged above the chain plate and on the second bracket and used for blocking the workpieces protruding or stacked on the transverse baffle plate from advancing, and the limiting spring is parallel to the chain plate.
6. The automatic internal thread ball head part sequencing and tapping device according to claim 2, wherein the feeding assembly comprises a fourth base, a fourth support, a third bearing seat, a fourth bearing seat, a second driving motor, a second driving shaft, a second driven shaft, a conveyor belt and a conveyor passage, the fourth base is located on one side of the feeding assembly, the third bearing seat and the fourth bearing seat are arranged on the fourth base side by side along the advancing direction of the workpiece, the fourth support is mounted on the fourth base and close to the third bearing seat, the second driving motor is arranged on the fourth support, the output shaft of the second driving motor faces the third bearing seat, the second driving shaft penetrates and is supported in the third bearing seat, and one end of the second driving shaft extends out of the third bearing seat, the second driven shaft penetrates through and is supported in the fourth bearing seat, the conveyor belt is wound on the second driving shaft and the second driven shaft, the output end of the second driving motor is connected with the second driving shaft through a third coupler for driving the transmission of the conveyor belt, a limiting part is positioned above the conveyor belt and is connected with the third bearing seat and the fourth bearing seat, the limiting part comprises a first side plate, a second side plate and a first transverse plate, the two opposite ends of the first side plate are respectively provided with a first contact pin in a downward extending mode, the second side plate is arranged on one side of the first side plate in parallel, a second contact pin extends downwards from the second side plate, the length of the first side plate is larger than that of the second side plate, the first transverse plate is connected onto the first side plate and the second side plate, the width of the first transverse plate is the same as that of the conveyor belt so as to prevent stacked workpieces from advancing and falling into a conveying channel, the second driving shaft penetrates through one of the first contact pins, the second driven shaft penetrates through the other of the first contact pins and the second contact pins, the conveying channel corresponds to the conveying belt and is arranged on the fourth base, and the tail end of the conveying channel is provided with a blanking channel corresponding to the machining part.
7. The automatic internal thread ball head part sequencing and tapping device according to claim 6, wherein a material blocking assembly is arranged on one side, close to the material blocking channel, of the conveying channel and used for blocking workpieces from advancing to enable the workpieces to be sequentially blanked, a quantity sensor and an observation probe are arranged on the material blocking assembly, close to the material blocking assembly, of the conveying channel and used for calculating the number of the passing workpieces and observing the states of the workpieces, the material blocking channel is far away from the material blocking channel, a vibration assembly is arranged on one side of the conveying channel and used for vibrating the workpieces, and a lower slide way is arranged on the other side of the vibration assembly and corresponds to the conveying channel and a material box.
8. The automatic internal thread ball head part sequencing and tapping device according to claim 2, wherein the fixed point unit comprises a first three-axis mechanical arm and a first rotating motor, the first three-axis mechanical arm is arranged beside the turntable, the first rotating motor is arranged at an output end of the first three-axis mechanical arm, and an output end of the first rotating motor is connected with a fixed point drill bit;
the drilling unit comprises a second triaxial mechanical arm and a second rotating motor, the second triaxial mechanical arm is arranged on one side of the first triaxial mechanical arm, the second rotating motor is arranged at the output end of the second triaxial mechanical arm, and the output end of the second rotating motor is connected with a drilling bit;
the chamfering unit comprises a third triaxial mechanical arm and a third rotating motor, the third triaxial mechanical arm is arranged on one side of the second triaxial mechanical arm, the third rotating motor is arranged at the output end of the third triaxial mechanical arm, and the output end of the third rotating motor is connected with a chamfering drill bit;
the tapping unit comprises a fourth triaxial mechanical arm and a fourth rotating motor, the fourth triaxial mechanical arm is arranged on one side of the third triaxial mechanical arm, the fourth rotating motor is arranged at the output end of the fourth triaxial mechanical arm, and the output end of the fourth rotating motor is connected with a tapping drill bit.
9. A method for machining an internal thread ball head part is characterized by comprising the following steps:
the internal thread ball head parts to be processed are intensively poured into a material box, the workpieces in the material box are extruded out of the material box due to the fact that the workpieces are too many, the workpieces just fall onto a chain plate at the moment, and the workpieces are supported by a transverse baffle plate;
when the chain plate moves to the topmost position and begins to fall, the workpiece falls into the conveyor belt due to the self gravity, the conveyor belt conveys the workpiece into the conveying channel, and finally the workpiece falls into the machining assembly from the blanking channel for tapping machining;
if the number of the workpieces in the conveying channel exceeds the volume space of the conveying channel, the vibration assembly can vibrate the redundant workpieces again to fall into the material box, and then the workpieces are fed again.
10. The method for machining an internally threaded ball head part according to claim 9, wherein the tapping comprises:
the turntable rotates clockwise, the processing part with the workpiece rotates to the position of a next positioning clamp, the positioning clamp fixes the workpiece in the processing part, the fixed point unit performs fixed point drilling marking on the upper surface of the workpiece, and after the marking is finished, the positioning clamp is released;
the turntable rotates clockwise to the position of a next positioning clamp, the positioning clamp fixes the workpiece in the machining part, the drilling unit drills holes at the position facing the mark on the workpiece, and after drilling is completed, the positioning clamp is released;
the rotary table rotates to the position of a next positioning clamp along the clockwise direction, the positioning clamp fixes the workpiece in the machining part, the chamfering unit performs chamfering machining on a drilling opening, the third three-axis mechanical arm drives the chamfering drill to be arranged on the central axis of the hole site of the workpiece, the distance between the lower edge of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a first distance, the distance between the outer side surface of the chamfering drill and the inner wall of the hole site of the workpiece is set to be a second distance, the first distance is larger than the second distance at the moment, the chamfering drill is moved and the moving length is the second distance, the third three-axis mechanical arm drives the chamfering drill to clockwise rotate around the opening for five circles, the horizontal grinding distance of the chamfering drill to the opening of the workpiece; then moving the chamfering drill bit to perform sine wave type moving grinding along the chamfering angle along the clockwise direction; finally, the lower surface of the chamfering drill bit is attached to the upper surface of the workpiece for grinding, chamfering processing is completed, and the positioning clamp is loosened;
the carousel rotates to next positioning fixture position along the clockwise, and positioning fixture fixes the work piece in the processing portion, and the unit of attacking the screw is facing to drilling and is attacking the screw processing, and fourth triaxial arm drive is attacking the screw drill bit and is going out to rotate and offer out the screw at the drilling inner wall, accomplishes the processing back of attacking the screw, and positioning fixture loosens to the work piece unloading of accomplishing processing.
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| CN202110180172.1A CN112935815B (en) | 2021-02-08 | 2021-02-08 | Automatic sequencing tapping device and machining method for internal thread ball head part |
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| CN202110180172.1A CN112935815B (en) | 2021-02-08 | 2021-02-08 | Automatic sequencing tapping device and machining method for internal thread ball head part |
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| CN214816446U (en) * | 2021-02-08 | 2021-11-23 | 中山职业技术学院 | Automatic sequencing and tapping device for internal thread ball head parts |
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2021
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