CN111069415B - Uniform distribution dotting device for processing circular workpiece - Google Patents
Uniform distribution dotting device for processing circular workpiece Download PDFInfo
- Publication number
- CN111069415B CN111069415B CN201911415024.2A CN201911415024A CN111069415B CN 111069415 B CN111069415 B CN 111069415B CN 201911415024 A CN201911415024 A CN 201911415024A CN 111069415 B CN111069415 B CN 111069415B
- Authority
- CN
- China
- Prior art keywords
- dotting
- head
- workpiece
- die
- joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
Abstract
The invention discloses an evenly distributed dotting device for processing a circular workpiece, which comprises a rack, wherein an operation cavity is arranged on the rack, and a conveying belt is arranged in the operation cavity; the positioning holes are uniformly distributed on the conveying belt at intervals along the length direction; the dotting device is arranged on the side part of the conveying belt and is used for carrying out inner diameter dotting operation on the workpiece placed in the positioning hole; the dotting mould comprises an upper barrel body, a lower barrel body, a plurality of strip-shaped through grooves and a connecting channel, wherein the upper barrel body and the lower barrel body are distributed in a hollow mode, the plurality of strip-shaped through grooves are distributed on the side wall of the upper barrel body at intervals in the circumferential direction, the connecting channel is distributed at the joint of the upper barrel body and the lower barrel body at intervals in the circumferential direction, and the connecting channel is communicated with the through. The invention can directly realize the positioning of the workpiece in the punching operation process, reduce the processing time consumption and improve the working efficiency; the dotting die is of a structure formed by surrounding a plurality of elastic sheets, so that the depth of a punched point on a workpiece is kept consistent, and the workpiece is accurately machined.
Description
Technical Field
The invention belongs to the technical field of automation equipment, and particularly relates to an evenly-distributed dotting device for processing a circular workpiece.
Background
A circular metal workpiece is a component frequently used in industrial production, such as a workpiece, and in the existing application, it is generally required to perform dotting on the inner wall side of the circular workpiece, and the dotting positions are basically multiple. When the existing processing equipment carries out dotting operation, only one point can be dotted once, and multiple dotting operations are needed for multiple points, so that the processing efficiency is low; and position deviation easily appears in a plurality of holes when punching, influences the workpiece quality that final processing obtained. And under the traditional mode of punching, all need set up solitary anchor clamps and fix the work piece, punch the operation to the work piece again, not only spare part input cost is high, and the location operation also need occupy more process time, the influence work efficiency of very big degree.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the uniform distribution dotting device for processing the circular workpiece, which has high working efficiency and does not need to be provided with a positioning structure independently.
In order to achieve the purpose, the invention adopts the following technical scheme: a equipartition dotting device for circular workpiece processing includes
The device comprises a rack, a driving device and a driving device, wherein an operation cavity is formed in the rack, and a conveying belt is arranged in the operation cavity;
the positioning holes are uniformly distributed on the conveying belt at intervals along the length direction;
the dotting device is arranged on the side part of the conveying belt and is used for carrying out inner diameter dotting operation on the workpiece placed in the positioning hole; the dotting device comprises a support frame fixedly arranged on a rack, an upper die arranged on the support frame, a punching die arranged at the position below the upper die, a plurality of processing grooves formed on the punching die and used for workpieces to penetrate, a dotting die capable of penetrating into the workpieces, a driving part for driving the dotting die to move up and down relative to the punching die and a punching part; the dotting dies and the dotting parts are arranged into a plurality of groups, each group corresponds to the processing tank, and the driving part can drive the plurality of groups of dotting dies to synchronously move up and down;
the dotting mould comprises an upper barrel body, a lower barrel body, a plurality of strip-shaped through grooves and a connecting channel, wherein the upper barrel body and the lower barrel body are arranged in a hollow manner, the plurality of strip-shaped through grooves are circumferentially distributed on the side wall of the upper barrel body at intervals, the connecting channel is circumferentially distributed at the connecting part of the upper barrel body and the lower barrel body at intervals, and the connecting channel is communicated with the through grooves; the upper cylinder body is divided by a plurality of through grooves to form a plurality of elastic sheets which can be turned relative to the lower cylinder body, the middle part of the side wall of each elastic sheet is provided with a punching head, and the end part of each punching head is arranged in a conical structure;
in the process that the driving part drives the dotting mould to move upwards, after the dotting mould penetrates into a workpiece, the driving part drives the workpiece to move upwards and penetrate into the processing groove, then the dotting part drives the plurality of elastic sheets to open outwards, and dotting is carried out on the inner wall of the workpiece through the dotting head; in the process that the driving part drives the dotting die to move downwards, the driving part drives the plurality of elastic sheets to retract inwards, and the drive dotting head is separated from the punching point of the workpiece.
According to the invention, a workpiece to be machined (the workpiece refers to a columnar metal male joint) moves along with the dotting die and is directly clamped into the machining groove, the machining groove directly realizes position positioning of the workpiece, and further the workpiece is not required to be positioned additionally, so that the machining time is reduced, and the working efficiency is improved; the dotting die is of a structure surrounded by a plurality of elastic sheets, so that when dotting operation is performed, the plurality of elastic sheets can be synchronously ejected, a plurality of dotting heads synchronously perform dotting operation on the inner wall of a workpiece, the synchronism among a plurality of dotting heads is ensured, the depth of a punched point on the workpiece is kept consistent, the workpiece processing precision is improved, the dotting position cannot deviate, the positioning is accurate, and the workpiece processing accuracy is further improved; and in the downward moving process of the dotting die, the driving piece drives the plurality of elastic sheets to retract together, so that the dotting head can be separated from the dotting point of the workpiece, the workpiece can be automatically demoulded relative to the dotting die, the workpiece after the demould is completed is moved downward along with the dotting die and then is placed back to the conveying belt again, the feeding and discharging of materials are realized by the same conveying belt, the size of the equipment is reduced, the space occupation degree is reduced, and the input cost of the equipment is reduced.
The driving part comprises a movable plate capable of moving up and down, a fixed seat fixedly arranged on a side plate of the conveying belt and a driving part arranged on the fixed seat and connected with the movable plate; the lower cylinder is fixedly connected with the moving plate; the lower cylinders can move up and down under the drive of the same moving plate, so that the synchronism among the punching dies is effectively improved, and the processing quality is further improved; meanwhile, the investment of a power source is reduced, and the purpose of energy conservation is achieved.
The dotting device comprises a lower dotting part arranged on the dotting die, an upper dotting part arranged on the upper die and a positioning plate arranged above the punching die, and a space is reserved between the lower surface of the positioning piece and the upper surface of the punching die; the positioning plate is provided with openings corresponding to the processing grooves respectively, a blocking piece is fixedly bonded in the openings and made of rubber, the central part of the blocking piece is provided with a central hole for the upper dotting component to pass through, a plurality of radial grooves are uniformly distributed on the blocking piece at intervals along the circumferential direction, and one end of each radial groove is communicated with the central hole; under the above-mentioned structure, the part of dotting will cooperate jointly and will dotting the mould to strut for the atress on each position on the dotting mould is more even, and the degree of depth of further guaranteeing the punching point on the work piece inner wall is the same, promotes the processingquality of work piece.
The upper dotting component comprises an upper sleeve fixedly arranged on the upper die, an upper cavity formed in the upper sleeve, an upper punch capable of moving relative to the upper sleeve and an upper conical head formed on the lower part of the upper punch; the outer diameter of the minimum end of the upper conical head is larger than that of the central hole, the outer diameter of the upper cylinder body is larger than that of the central hole, and the inner diameter of the upper cylinder body is larger than that of the minimum end of the upper conical head; the upper punch head penetrates into the upper cavity, and at least part of the side wall is in sliding sealing fit with the inner wall of the upper cavity.
The lower dotting component comprises a lower cavity formed in the lower barrel, a lower punching head capable of moving up and down and arranged in the lower cavity, and a lower conical head formed at the upper part of the lower punching head, wherein the outer diameter of the minimum end of the lower conical head is smaller than the inner diameter of the upper barrel; an open slot for the lower conical head to penetrate is formed in the upper conical head, the cross section of the open slot is in a U-shaped structure, and the outer diameter of the minimum end of the lower conical head is smaller than the inner diameter of the open slot; a plurality of strip-shaped grooves are uniformly distributed on the side wall of the upper conical head at intervals along the circumferential direction, and the strip-shaped grooves penetrate into the open grooves from the side wall of the upper conical head; one end of the upper punch point penetrating into the upper sleeve is provided with a circle of flange, the flange is provided with a sealing ring to realize the sealing fit between the upper punch point and the inner wall of the upper sleeve, the lower part of the upper sleeve is provided with a circle of inward extending blocking edge, and the blocking edge is in anti-falling fit with the flange; under the structure, when the upper punching point head moves downwards and the lower punching point head moves upwards, the dotting die is firstly unfolded outwards to a certain degree, so that a small point is punched on the inner wall of the workpiece by the conical head of the dotting head, and after the upper punching point head and the lower punching point head continue to move, the dotting die is continuously pushed and unfolded outwards, so that the dotting head is further filled into the workpiece, the force exerted on the inner wall of the workpiece at the initial stage of the dotting head cannot be too large, a gradual increase process is realized, the possibility of direct breakage of the dotting head is effectively avoided, and the damage rate of equipment is reduced; when the upper punching point head and the lower punching point head continue to move, the lower conical head penetrates into the open slot, so that the upper conical head is pushed outwards, the upper conical head is opened outwards, the upper conical head continues to apply pressure to the punching point heads, the depth of the punching point heads embedded into the workpiece is further increased, the depth of each punching point is ensured to completely reach the standard, and the workpiece processing precision is high; the operation of dotting deepening is realized by adopting the rigid cooperation between the upper and lower punching point heads, the cooperation is stable, the acting force is stable, and the stability of dotting is further ensured; in addition, the maximum stroke of the upper punch point head is limited to the position of the tail end of the upper conical head by the anti-falling fit of the blocking edge and the flange, and the position of the tail end of the upper conical head is just aligned to the punch point head on the elastic sheet, so that when the upper conical head is outwards opened, the thickness of the position of the tail end of the upper conical head is maximum, the maximum pressure is applied to the punch point head, and the punch point effect is further improved.
The dotting device also comprises a hydraulic driving part which is respectively used for driving the upper punching head and the lower punching head to move, wherein the hydraulic driving part comprises an upper joint which is arranged at the upper end of the side wall of the upper sleeve and communicated with the upper cavity, a lower joint which is arranged at the lower end of the side wall of the lower sleeve and communicated with the lower cavity, an upper hose which is connected with the upper joint, a lower hose which is connected with the lower joint, a collecting pipe which is respectively connected with the upper hose and the lower hose and a hydraulic pump which is connected with the collecting pipe; under the structure, the upper and lower punching heads can be synchronously driven to move by the same power, and a plurality of stations can be simultaneously driven, so that the investment of a power source is greatly reduced, and the energy consumption is reduced; secondly, the upper and lower dotting heads are pressurized in a hydraulic mode, the pressurizing effect is stable, the dotting effect is further ensured, and the processing precision of the workpiece is improved.
The driving part further comprises a sleeve piece sleeved outside the upper barrel body, the outer edge of the upper surface of the lower barrel body extends upwards to form a circle of limiting convex part, and the sleeve piece is arranged between the limiting convex part and the upper barrel body.
The external member comprises a body with deformation capability, a notch groove formed on one end of the body, and a piston piece which is formed on the other end of the body and can penetrate into the notch groove, wherein the piston piece is fixedly connected with the end part of the body, and the side wall of the piston piece is in sealing fit with the inner wall of the notch groove; the body is provided with a first joint connected with the notch groove, the lower barrel is screwed with a second joint communicated with the lower cavity, one end of the second joint far away from the lower barrel is fixedly connected with a fixed rod, and the fixed rod is connected with a spring; a ball is arranged in the second joint, abuts against the spring and can move in the axial direction relative to the second joint; a first round hole for the ball to partially penetrate through is formed in the side wall of the lower barrel, a partition plate is arranged in the second joint, and when the ball is tightly pressed against the first round hole, a space is formed between the partition plate and the ball; the baffle plate is provided with a second round hole matched with the ball, and the inner diameters of the first round hole and the second round hole are smaller than the diameter of the ball; a vertical groove is formed in the side wall of the lower punching point head, corresponding to the ball, the width of the vertical groove is larger than the diameter of the ball, when the lower punching point head moves relative to the lower cavity until the vertical groove abuts against the ball, a gap is formed between the ball and the first round hole, and a gap is formed between the vertical groove and the inner wall of the lower cavity; a plurality of ring grooves are uniformly arranged on the side wall of the lower punching point head at intervals along the longitudinal direction, and the ring grooves are communicated with the vertical grooves; under the structure, in the upward moving process of the dotting head, the lower part of the lower dotting head is contacted with the ball for a certain time, the ball is pushed backwards, so that the hydraulic oil partially enters the notch groove, the piston in the notch groove is pushed to move to the maximum displacement stroke, and the sleeve can be further expanded to the maximum degree, so that the lower dotting head is not limited by the sleeve in the upward pushing process into the dotting mold, and the normal operation of dotting operation is ensured; in the oil inlet process of the first through hole, the ball can be slowly pushed backwards under the action of the flow direction and the oil pressure of oil and is finally abutted against the partition plate to plug the second through hole on the partition plate, so that the hydraulic oil can not enter the notch groove again, the body is effectively ensured to be expanded to the maximum extent and can not continue to expand outwards, the situation that the piston is separated from the notch groove outwards is effectively avoided, and the fault situation of the body is avoided; in the downward moving process of the lower dotting head, the hydraulic pump sucks hydraulic oil in the lower cavity, the side wall of the lower dotting head is not in contact with the ball at the initial stage of downward movement of the lower dotting head, and the ball is tightly pushed to the first through hole under the action of the spring and the suction force of the hydraulic oil, so that the hydraulic oil in the notch groove cannot change; when the lower dotting head moves to the position where the lower side wall is in contact with the ball, the ball is pushed backwards by the side wall, so that a gap is formed between the ball and the first through hole, hydraulic oil in the gap groove is pumped into the lower cavity from the gap and finally pumped outwards, the sleeve part is contracted, the expanded dotting die is driven to contract inwards, the punching head is completely separated from the workpiece, and the workpiece is directly demoulded in the downward movement process of the dotting die; because the hydraulic oil in the notch groove is pumped only after the ball is contacted with the side wall of the lower dotting head, the piston is effectively prevented from moving inwards to the maximum extent and cannot move inwards any more, and the possibility of damaging the sleeve is further avoided; under the structure, the hydraulic oil change of the lower cavity is directly adopted to drive the external member and drive the lower dotting head, so that an independent driving structure is not required to be additionally arranged to control the action of the external member, the part investment of equipment is greatly reduced, and the energy consumption and the processing cost are reduced.
The invention can directly realize the positioning of the workpiece in the punching operation process, reduce the processing time consumption and improve the working efficiency; the dotting die is of a structure formed by surrounding a plurality of elastic sheets, the depth of a punched point on a workpiece is kept consistent, the workpiece machining precision is improved, deviation does not occur in the dotting position, the positioning is accurate, and the workpiece machining accuracy is further improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of a dotting device according to the present invention.
Fig. 3 is a schematic structural view of the dotting mold in the invention.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a cross-sectional view taken along line a-a of fig. 4.
Fig. 6 is a partially enlarged view of fig. 5.
Fig. 7 is a partial structural view of fig. 6.
Fig. 8 is a schematic structural view of the kit of the present invention.
Fig. 9 is a schematic cross-sectional view of fig. 8.
FIG. 10 is a perspective cross-sectional view of a lower dotting element according to the present invention.
Fig. 11 is a partially enlarged view of fig. 10.
FIG. 12 is a schematic view of the lower dotting head according to the present invention.
Detailed Description
As shown in fig. 1-12, an evenly distributed dotting device for processing a circular workpiece comprises a frame 1, a conveyor belt 2, a plurality of positioning holes 21 and a dotting device, wherein the frame 1 is a metal frame and is provided with a strip-shaped operating cavity, the operating cavity is internally provided with the conveyor belt 2, and the conveyor belt can directly adopt a small belt conveyor purchased from the market; the positioning holes 21 are uniformly distributed on the conveying belt 2 at intervals in the length direction, and the shape and size of the positioning holes are matched with the workpiece, so that the workpiece can be just clamped into the positioning holes; specifically, the dotting device is arranged at the side part of the conveyer belt 2 and is used for carrying out inner diameter dotting operation on the workpiece placed in the positioning hole; the dotting device comprises a support frame 31 fixedly arranged on a rack, an upper die 32 arranged on the support frame, a punching die 33 arranged at the position below the upper die, a plurality of processing grooves 34 formed on the punching die and used for allowing workpieces to penetrate, a dotting die capable of penetrating into the workpieces, a driving part and a dotting part, wherein the driving part and the dotting part are used for driving the dotting die to move up and down relative to the punching die; the dotting dies and the dotting parts are arranged into a plurality of groups, each group corresponds to the processing tank, and the driving part can drive the plurality of groups of dotting dies to synchronously move up and down;
further, the dotting mould comprises an upper cylinder body 41 and a lower cylinder body 42 which are distributed in a hollow manner, a plurality of strip-shaped through grooves 43 which are distributed on the side wall of the upper cylinder body at intervals along the circumferential direction, a connecting channel 44 which is distributed at the connecting position of the upper cylinder body and the lower cylinder body at intervals along the circumferential direction and a hydraulic driving part, wherein the connecting channel 44 is communicated with the through grooves 43; the upper cylinder 41 is partitioned by a plurality of through grooves 43 to form a plurality of elastic sheets 411 which can be turned relative to the lower cylinder 42, the middle parts of the side walls of the elastic sheets 411 are provided with punching point heads 45, and the end parts of the punching point heads 45 are arranged in a conical structure; the upper cylinder body, the lower cylinder body and the punching point head are made of stainless steel, and the punching point head is fixedly connected to the side wall of the elastic sheet through welding.
A round hole for the dotting die to pass through is formed in the middle of the positioning hole, the driving part drives the dotting die to move upwards, the driving part drives the workpiece to move upwards to penetrate into the processing groove 34 after the dotting die penetrates into the workpiece, and then the dotting part drives the plurality of elastic sheets 411 to open outwards to dotte the inner wall of the workpiece through the dotting head 45; in the process that the driving part drives the dotting die to move downwards, the driving part drives the plurality of elastic sheets 411 to retract inwards, and the driving dotting punch 45 is separated from the workpiece punching point.
Specifically, the driving part comprises a movable plate 51 capable of moving up and down, a fixed seat 52 fixedly arranged on a side plate of the conveying belt, a driving part 53 arranged on the fixed seat and connected with the movable plate, and a sleeve 8 sleeved outside the upper barrel; the positioning plate is fixedly connected to a metal frame of the conveying belt, the driving piece is an air cylinder or a hydraulic cylinder, the lower cylinder 42 is fixedly connected with the moving plate 51, and the moving plate can drive the plurality of dotting molds to move together; the dotting device comprises a lower dotting part 61 arranged on the dotting die, an upper dotting part 62 arranged on the upper die and a positioning plate 63 arranged above the punching die, and a distance is reserved between the lower surface of the positioning plate 63 and the upper surface of the punching die 33; circular openings 631 are respectively formed in the positioning plate 63 corresponding to the positions of the machining grooves, and a blocking member 632 is fixedly bonded in the openings, wherein the blocking member 632 is made of rubber; preferably, a central hole 633 for the upper dotting component to pass through is arranged at the central position of the blocking member 632, a plurality of radial grooves 634 are uniformly distributed on the blocking member 632 at intervals along the circumferential direction, one end of the radial grooves 634 is communicated with the central hole 633, so that the blocking member can be passed through by the upper dotting component, and the normal operation of the device is ensured.
Further, the upper dotting component 62 includes an upper sleeve 611 fixed on the upper die, an upper cavity 612 formed in the upper sleeve, an upper punch 613 relatively movable with respect to the upper sleeve, and an upper conical head 614 formed on the lower portion of the upper punch; wherein the upper sleeve and the upper punch head are both made of metal, the outer diameter of the minimum end of the upper conical head 614 is larger than that of the central hole 633, the outer diameter of the upper cylinder 41 is larger than that of the central hole 633, and the inner diameter of the upper cylinder 41 is larger than that of the minimum end of the upper conical head 614; the upper punch 613 penetrates into the upper chamber 612 from the top and has at least part of its side wall in sliding sealing engagement with the inner wall of the upper chamber 612.
The lower dotting component 61 comprises a lower cavity 621 formed in the lower cylinder, a lower punching head 622 capable of moving up and down and arranged in the lower cavity, and a lower conical head 623 formed at the upper part of the lower punching head, wherein the outer diameter of the smallest end of the lower conical head 623 is smaller than the inner diameter of the upper cylinder 41; the lower punch is made of metal, the upper conical head 614 is provided with an open slot 615 for the lower conical head 623 to penetrate, the cross section of the open slot 615 is of a U-shaped structure, and the outer diameter of the smallest end of the lower conical head 623 is smaller than the inner diameter of the open slot 615; a plurality of strip-shaped grooves 616 are uniformly distributed on the side wall of the upper conical head 614 at intervals along the circumferential direction, and the strip-shaped grooves 616 penetrate into the open grooves 615 from the side wall of the upper conical head 614; the upper punch 613 has a ring of flange 617 on the end penetrating into the upper sleeve, the flange 617 is provided with a sealing ring to realize the sealing fit between the upper punch and the inner wall of the upper sleeve, the lower part of the upper sleeve 611 has a ring of inward extending blocking edge 618, and the blocking edge 618 is in anti-slip fit with the flange 617.
The hydraulic driving component is used for driving the upper punch 613 and the lower punch 622 to move, and specifically includes an upper joint arranged at the upper end of the side wall of the upper sleeve 611 and communicated with the upper chamber, a lower joint arranged at the lower end of the side wall of the lower sleeve and communicated with the lower chamber, an upper hose 73 connected with the upper joint, a lower hose 74 connected with the lower joint, a collecting pipe 75 connected with the upper hose and the lower hose, and a hydraulic pump connected with the collecting pipe; this go up hose and lower hose for rubber hose or rubber bellows, have great elasticity, can adapt to the tensile of certain degree, above-mentioned hydraulic pump obtains for purchase on the market, and the structure is no longer repeated.
The outer edge of the upper surface of the lower cylinder 42 extends upwards to form a circle of limit convex part 421, and the sleeve member 8 is arranged between the limit convex part 421 and the upper cylinder 41; specifically, the external member 8 includes a body 81 having a deformation capability, a notch 82 formed on one end of the body, and a piston member 83 formed on the other end of the body and capable of penetrating into the notch, wherein the piston member 83 is fixedly connected with the end of the body 81, and a side wall of the piston member 83 is in sealing fit with an inner wall of the notch 82; in this embodiment, the body can adopt the stainless steel to make, and is hollow structure basically, has great deformability, and bending effect is good, has certain hardness again simultaneously, can satisfy the demand of shrink dotting mould.
A first joint 84 connected with the notch groove 82 is arranged on the body 81, a second joint 85 communicated with the lower cavity is screwed on the lower cylinder, one end of the second joint far away from the lower cylinder is fixedly connected with a fixed rod 86, and a spring 87 is connected on the fixed rod; a ball 88 is arranged in the second joint, and the ball is abutted against the spring and can move in the axial direction relative to the second joint 85; a first round hole 421 for the ball to partially penetrate is arranged on the side wall of the lower cylinder 42, a partition 89 is arranged in the second joint, and when the ball is tightly pressed against the first round hole, a space is formed between the partition and the ball; the partition 89 is provided with a second round hole 810 matched with the ball, and the inner diameters of the first round hole 421 and the second round hole 810 are both smaller than the diameter of the ball 88; a vertical groove 91 is formed in the side wall of the lower punching point head 622 corresponding to the ball, the width of the vertical groove 91 is larger than the diameter of the ball, when the lower punching point head moves relative to the lower cavity until the vertical groove abuts against the ball 88, a gap is formed between the ball and the first round hole, and a gap is formed between the vertical groove 91 and the inner wall of the lower cavity; a plurality of annular grooves 92 are uniformly arranged on the side wall of the lower punching head 622 along the longitudinal direction at intervals, and the annular grooves 92 are communicated with the vertical grooves 91.
The working principle is as follows, after a workpiece is conveyed to the position below a punching die by a conveying belt, the conveying belt stops, then a driving piece drives a moving plate to move upwards to drive an upper cylinder to be inserted into the workpiece, the upper end of a sleeve part abuts against the workpiece, then the moving plate continues to move upwards, the sleeve part pushes the workpiece to move upwards, the workpiece penetrates into a processing groove, and when the upper end of the upper cylinder abuts against a blocking piece, the driving piece stops working; then the hydraulic pump is started, hydraulic oil is pumped into the upper cavity and the lower cavity, the upper dotting head and the lower dotting head are respectively driven to move and penetrate into the dotting mould, and the dotting mould is outwards spread, so that the dotting head performs dotting on the inner wall of the workpiece; after punching is finished, the hydraulic pump starts to pump out hydraulic oil in the upper cavity and the lower cavity, so that the upper punching head and the lower punching head are reset, the hydraulic pump stops working after the upper punching head leaves the punching die, and the driving piece drives the movable plate and the punching die to move downwards to drive the workpiece to be removed from the processing groove; after the workpiece is separated from the machining groove, the hydraulic pump is started again, residual hydraulic oil in the upper cavity and the lower cavity is extracted, the lower dotting head is abutted against the ball, the hydraulic oil in the sleeve is also extracted, the sleeve contracts, the dotting mould is driven to contract and reset, the dotting head is separated from the workpiece, then the moving member continuously moves downwards and resets to an initial state, the dotting mould moves to the lower position of the conveying belt along with the moving plate, the workpiece returns to the positioning hole again, then the conveying belt is started, the workpiece which is machined is conveyed forwards, the workpiece to be machined is conveyed to the lower part of the machining groove, and the operation.
Claims (3)
1. The utility model provides a device is got ready to equipartition for circular work piece processing which characterized in that: comprises that
The device comprises a rack (1), an operation cavity and a conveying belt (2), wherein the operation cavity is arranged on the rack;
the positioning holes (21) are uniformly distributed on the conveying belt (2) at intervals along the length direction;
the dotting device is arranged on the side part of the conveying belt (2) and is used for carrying out inner diameter dotting operation on the workpiece placed in the positioning hole; the dotting device comprises a support frame (31) fixedly arranged on a rack, an upper die (32) arranged on the support frame, a punching die (33) arranged at the position below the upper die, a plurality of processing grooves (34) formed on the punching die and used for allowing workpieces to penetrate, a dotting die capable of penetrating into the workpieces, a driving part and a dotting part, wherein the driving part and the dotting part are used for driving the dotting die to move up and down relative to the punching die; the dotting dies and the dotting parts are arranged into a plurality of groups, each group corresponds to the processing tank, and the driving part can drive the plurality of groups of dotting dies to synchronously move up and down;
the dotting mould comprises an upper barrel body (41) and a lower barrel body (42) which are distributed in a hollow manner, a plurality of strip-shaped through grooves (43) which are circumferentially distributed on the side wall of the upper barrel body at intervals, and connecting channels (44) which are circumferentially distributed at the connecting part of the upper barrel body and the lower barrel body at intervals, wherein the connecting channels (44) are communicated with the through grooves (43); the upper cylinder body (41) is divided by a plurality of through grooves (43) to form a plurality of elastic sheets (411) which can be turned relative to the lower cylinder body (42), the middle part of the side wall of each elastic sheet (411) is provided with a punching point head (45), and the end part of each punching point head (45) is arranged in a conical structure;
in the process that the driving part drives the dotting die to move upwards, after the dotting die penetrates into a workpiece, the driving part drives the workpiece to move upwards and penetrate into the processing groove (34), then the dotting part drives the plurality of elastic sheets (411) to open outwards, and dotting is carried out on the inner wall of the workpiece through the dotting head (45); in the process that the driving part drives the dotting die to move downwards, the driving part drives the plurality of elastic sheets (411) to retract inwards, and the dotting punch head (45) and the workpiece punching point are separated from each other;
the dotting device comprises a lower dotting part (61) arranged on the dotting die, an upper dotting part (62) arranged on the upper die and a positioning plate (63) arranged above the punching die, and a distance is reserved between the lower surface of the positioning plate (63) and the upper surface of the punching die (33); the positioning plate (63) is provided with openings (631) corresponding to the positions of the processing grooves respectively, a blocking piece (632) is fixedly bonded in the openings, the blocking piece (632) is made of rubber, a central hole (633) for the upper dotting part to pass through is arranged at the central part of the blocking piece (632), a plurality of radial grooves (634) are uniformly distributed on the blocking piece (632) at intervals along the circumferential direction, and one ends of the radial grooves (634) are communicated with the central hole (633); the upper dotting component (62) comprises an upper sleeve (611) fixedly arranged on the upper die, an upper cavity (612) formed in the upper sleeve, an upper dotting head (613) capable of moving relatively to the upper sleeve, and an upper conical head (614) formed on the lower part of the upper dotting head; the outer diameter of the minimum end of the upper conical head (614) is larger than the outer diameter of the central hole (633), the outer diameter of the upper cylinder (41) is larger than the outer diameter of the central hole (633), and the inner diameter of the upper cylinder (41) is larger than the outer diameter of the minimum end of the upper conical head (614); the upper part of the upper punch head (613) penetrates into the upper cavity (612), and at least part of the side wall is in sliding sealing fit with the inner wall of the upper cavity (612); the lower dotting component (61) comprises a lower cavity (621) formed in the lower cylinder, a lower punching head (622) which can move up and down and is arranged in the lower cavity, and a lower conical head (623) formed at the upper part of the lower punching head, wherein the outer diameter of the minimum end of the lower conical head (623) is smaller than the inner diameter of the upper cylinder (41); an open groove (615) for the lower conical head (623) to penetrate is formed in the upper conical head (614), the cross section of the open groove (615) is in a U-shaped structure, and the outer diameter of the minimum end of the lower conical head (623) is smaller than the inner diameter of the open groove (615); a plurality of strip-shaped grooves (616) are uniformly distributed on the side wall of the upper conical head (614) at intervals along the circumferential direction, and the strip-shaped grooves (616) penetrate into the open grooves (615) from the side wall of the upper conical head (614); one end of the upper punch head (613) penetrating into the upper sleeve is provided with a circle of flange (617), a sealing ring is arranged on the flange (617) to realize the sealing fit between the upper punch head and the inner wall of the upper sleeve, the lower part of the upper sleeve (611) is provided with a circle of inward extending blocking edge (618), and the blocking edge (618) is in anti-drop fit with the flange (617); the driving part further comprises a sleeve member (8) sleeved outside the upper cylinder body, the outer edge of the upper surface of the lower cylinder body (42) extends upwards to form a circle of limiting convex part (421), and the sleeve member (8) is arranged between the limiting convex part (421) and the upper cylinder body (41); the external member (8) comprises a body (81) with deformation capacity, a notch groove (82) formed in one end of the body, and a piston member (83) formed in the other end of the body and capable of penetrating into the notch groove, wherein the piston member (83) is fixedly connected with the end part of the body (81), and the side wall of the piston member (83) is in sealing fit with the inner wall of the notch groove (82); a first joint (84) connected with the notch groove (82) is arranged on the body (81), a second joint (85) communicated with the lower cavity is screwed on the lower cylinder, one end of the second joint far away from the lower cylinder is fixedly connected with a fixed rod (86), and a spring (87) is connected on the fixed rod; a ball (88) is arranged in the second joint, and the ball is propped against the spring and can move in the axial direction relative to the second joint (85); a first round hole (421) for the ball to partially penetrate out is formed in the side wall of the lower cylinder (42), a partition plate (89) is arranged in the second joint, and when the ball is tightly pressed against the first round hole, a space is formed between the partition plate and the ball; the partition plate (89) is provided with a second round hole (810) matched with the ball, and the inner diameters of the first round hole (421) and the second round hole (810) are smaller than the diameter of the ball (88); a vertical groove (91) is formed in the side wall of the lower punching point head (622) corresponding to the ball, the width of the vertical groove (91) is larger than the diameter of the ball, when the lower punching point head moves relative to the lower cavity until the vertical groove abuts against the ball (88), a gap is formed between the ball and the first round hole, and a gap is formed between the vertical groove (91) and the inner wall of the lower cavity; a plurality of ring grooves (92) are uniformly arranged on the side wall of the lower punching point head (622) at intervals along the longitudinal direction, and the ring grooves (92) are communicated with the vertical groove (91).
2. The uniform distribution dotting device for processing the circular workpiece as claimed in claim 1, wherein: the driving part comprises a movable plate (51) capable of moving up and down, a fixed seat (52) fixedly arranged on a side plate of the conveying belt and a driving part (53) arranged on the fixed seat and connected with the movable plate; the lower cylinder (42) is fixedly connected with the moving plate (51).
3. The uniform distribution dotting device for circular workpiece machining according to claim 2, characterized in that: the dotting device further comprises a hydraulic driving component which is used for driving the upper punch (613) and the lower punch (622) to move, wherein the hydraulic driving component comprises an upper joint, a lower joint, an upper hose (73), a lower hose (74), a collecting pipe (75) and a hydraulic pump, wherein the upper joint is arranged at the upper end of the side wall of the upper sleeve (611), the upper joint is communicated with the upper cavity, the lower joint is arranged at the lower end of the side wall of the lower sleeve, the lower joint is communicated with the lower cavity, the upper hose (73) is connected with the upper joint, the lower hose (74) is connected with the lower joint, the collecting pipe (75) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415024.2A CN111069415B (en) | 2019-12-31 | 2019-12-31 | Uniform distribution dotting device for processing circular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911415024.2A CN111069415B (en) | 2019-12-31 | 2019-12-31 | Uniform distribution dotting device for processing circular workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111069415A CN111069415A (en) | 2020-04-28 |
| CN111069415B true CN111069415B (en) | 2020-11-27 |
Family
ID=70320778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911415024.2A Active CN111069415B (en) | 2019-12-31 | 2019-12-31 | Uniform distribution dotting device for processing circular workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111069415B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100740868B1 (en) * | 2006-05-04 | 2007-07-20 | 주식회사 아이티앤티 | Universal dot marking device applicable to various materials |
| KR100830702B1 (en) * | 2007-03-30 | 2008-05-19 | 한국단자공업 주식회사 | Dot portion forming apparatus in progressive mold |
| CN101415506A (en) * | 2006-03-29 | 2009-04-22 | 弗兰克·霍夫曼 | Stamping apparatus with feed device |
| CN104043721A (en) * | 2013-03-16 | 2014-09-17 | 珠海格力电器股份有限公司 | Automatic dotting blower for pipe fittings |
| CN106623606A (en) * | 2017-02-14 | 2017-05-10 | 珠海格力智能装备技术研究院有限公司 | Pipe body dotting device |
| CN207901298U (en) * | 2016-10-18 | 2018-09-25 | 江苏麒浩精密机械股份有限公司 | One kind getting porcupine roller ready |
| CN208214140U (en) * | 2018-04-17 | 2018-12-11 | 深圳贝仕达克技术股份有限公司 | Device for dotting |
-
2019
- 2019-12-31 CN CN201911415024.2A patent/CN111069415B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101415506A (en) * | 2006-03-29 | 2009-04-22 | 弗兰克·霍夫曼 | Stamping apparatus with feed device |
| KR100740868B1 (en) * | 2006-05-04 | 2007-07-20 | 주식회사 아이티앤티 | Universal dot marking device applicable to various materials |
| KR100830702B1 (en) * | 2007-03-30 | 2008-05-19 | 한국단자공업 주식회사 | Dot portion forming apparatus in progressive mold |
| CN104043721A (en) * | 2013-03-16 | 2014-09-17 | 珠海格力电器股份有限公司 | Automatic dotting blower for pipe fittings |
| CN207901298U (en) * | 2016-10-18 | 2018-09-25 | 江苏麒浩精密机械股份有限公司 | One kind getting porcupine roller ready |
| CN106623606A (en) * | 2017-02-14 | 2017-05-10 | 珠海格力智能装备技术研究院有限公司 | Pipe body dotting device |
| CN208214140U (en) * | 2018-04-17 | 2018-12-11 | 深圳贝仕达克技术股份有限公司 | Device for dotting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111069415A (en) | 2020-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110640780B (en) | Flexible pneumatic robot | |
| CN111283083A (en) | Stamping die with good sealing effect | |
| US7131311B1 (en) | Method of and apparatus for forming forging blank | |
| CN105921585A (en) | Punching method for internal high pressure forming pipe fitting | |
| CN110666788B (en) | Flexible pneumatic manipulator | |
| CN105855385A (en) | Protective internal spline punching die | |
| CN111069415B (en) | Uniform distribution dotting device for processing circular workpiece | |
| CN210255140U (en) | Positioning element of hydraulic structure | |
| CN112828593A (en) | Surpass duplex position bearing assembly devices of belt pulley | |
| CN218425375U (en) | One-step forming die for warm forging automobile sleeve | |
| CN212093986U (en) | Automatic dotting machine | |
| CN109702423B (en) | Positioning device for assembling dotting of steel connecting pipe and cylinder of liquid storage device of air conditioner compressor | |
| CN111014534A (en) | Multi-step and multi-pass forging forming device and forming process for annular part | |
| KR20030004200A (en) | The system which is the possibility of pipe with automatic movement expands the tube and froming that method | |
| CN210450615U (en) | Stainless steel double-clamping-pressure adjustable straight joint and tee joint production mold | |
| CN211278414U (en) | Flexible pneumatic manipulator | |
| CN203918488U (en) | A kind of hydraulically operated fixture for the processing of thin wall cylindrical part | |
| CN210115359U (en) | Automobile exhaust mixing pipe forming equipment | |
| CN216501806U (en) | Fine blanking die for medium plate forming | |
| CN217393436U (en) | Conical gasket stamping forming die | |
| CN220698138U (en) | Forging and pressing device of steel pipe connection clamp | |
| CN110586793A (en) | Compound mould of circular cone holder | |
| CN214442559U (en) | Auxiliary discharging device of automobile part stamping die | |
| CN117000999B (en) | Powder metallurgy forming device of automobile gear | |
| RU146556U1 (en) | STAMP FOR OBTAINING SPHERICAL PRODUCTS FROM SHEET Billets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A uniformly distributed dotting device for processing circular workpieces Effective date of registration: 20230831 Granted publication date: 20201127 Pledgee: Bank of China Limited Shangyu sub branch Pledgor: ZHEJIANG TAISHAN HEAVY MACHINERY Co.,Ltd. Registration number: Y2023980054790 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |