CN114434238A

CN114434238A - Continuous spring end face grinding machine and diamond spring production process applying same

Info

Publication number: CN114434238A
Application number: CN202210093178.XA
Authority: CN
Inventors: 金晨
Original assignee: Zhejiang Yurong Spring Co ltd
Current assignee: Zhejiang Yurong Spring Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-06
Anticipated expiration: 2042-01-26
Also published as: CN114434238B

Abstract

The utility model belongs to the technical field of the spring processing technique and specifically relates to a rhombus spring production technology who relates to a continuous spring terminal surface polisher and applied this equipment, it includes the runner, it leads to the groove to have seted up a plurality of installations along self circumference on the runner, the installation leads to the groove to be followed the runner axial is seted up, and in runner outside opening sets up, each the installation leads to the inslot and all installs the stop gear who is used for spacing spring, and the length of spring is greater than the axial length of runner, and the both ends of spring all expose in the both ends face of runner, the axial both sides direction of runner all is provided with by motor drive and is used for the emery wheel at polishing spring both ends, two the face of polishing of emery wheel tightly supports in the both ends of spring respectively. This application has the effect of the continuity of realizing the spring terminal surface and polishing.

Description

Continuous spring end face grinding machine and diamond spring production process applying same

Technical Field

The application relates to the technical field of spring processing, in particular to a continuous spring end face grinding machine and a diamond spring production process using the same.

Background

In the production process of the spring, the raw material is required to be coiled into a spring shape through a spring coiling machine after being subjected to drawing and shaping, then the spring is cut off through a cutting device, a single spring is obtained, and in order to adapt to the working environment, two ends of the cut spring are required to be polished, so that the two ends of the spring are smooth.

Common automatic mode of polishing is carried the spring to stop gear spacing, the back is polished the back output through the emery wheel to the both ends of spring, but above-mentioned mode is usually need to fix the spring spacing at the in-process of polishing, just remove the spacing back of spring again after finishing polishing, reentry another spring on the station of vacating and fix spacing, whole process is discontinuous, this makes at output and input spring in-process, the emery wheel is not in operating condition, do not process the spring, this has caused the waste of production time, make production efficiency low.

Disclosure of Invention

In order to realize the continuity of spring terminal surface and polish, this application provides continuous spring terminal surface polisher and applied this equipment's rhombus spring production technology.

The application provides a continuous spring terminal surface polisher and applied diamond spring production technology of this equipment adopt following technical scheme:

first aspect, the continuous spring terminal surface polisher that this application provided adopts following technical scheme:

continuous spring terminal surface polisher, including the runner, it leads to the groove to have seted up a plurality of installations along self circumference on the runner, the installation leads to the groove and follows the runner axial is seted up, and in runner outside opening sets up, each the installation leads to the inslot and all installs the stop gear who is used for spacing spring, and the length of spring is greater than the axial length of runner, and the both ends of spring all expose in the both ends face of runner, the axial both sides direction of runner all is provided with by motor drive and is used for the emery wheel at polishing spring both ends, two the face of polishing of emery wheel tightly supports respectively in the both ends of spring.

Through adopting above-mentioned technical scheme, set up the installation and lead to the groove on the runner to it is spacing to set up stop gear in the groove and carries out the spring in the installation, and the both ends of spring tightly support and carry out the terminal surface on the emery wheel and polish, and the terminal surface of runner does not contact with the emery wheel, so set up can be on the runner at the spring in transportation process, realize polishing to the spring terminal surface simultaneously, thereby improve production efficiency.

Optionally, the limiting mechanism includes a fixing table, a push plate structure for limiting the spring, and limiting guide rails for guiding the spring to slide, the fixing table is fixedly disposed on a side wall of the installation through groove and is disposed along the rotating wheel toward the inner direction thereof, the fixing table is fixedly provided with two limiting guide rails, the two limiting guide rails are disposed in parallel and are parallel to the end face of the rotating wheel, two ends of the spring respectively tightly abut against the two limiting guide rails, and a gap is reserved between the grinding wheel and each of the limiting guide rails.

Through adopting above-mentioned technical scheme, set up the fixed plate and provide the installation basement for push pedal structure and limit guide's installation to in damaging the change, carry the spring to the installation of runner when leading to the groove, lead to the spring limit position through limit guide earlier, back rethread push pedal structure is spacing to the spring.

Optionally, the push plate structure includes a first cylinder and a second cylinder which are arranged in parallel, the first cylinder and the fixed platform are arranged in parallel and fixed on the fixed platform, the second cylinder is fixedly connected with the side wall of the installation through groove, piston rods of the first cylinder and the second cylinder are both arranged towards the outer side of the rotating wheel, a piston rod of the first cylinder is fixedly provided with a limiting sliding table which is connected on the fixed table in a sliding way, the limiting sliding table is provided with a limiting baffle, two ends of the limiting baffle are limited on the two limiting guide rails, a piston rod of the second cylinder is fixedly provided with a resisting plate, the resisting plate is provided with a plurality of limiting blocks for embedding the pitch clearance of the spring, the supporting plate is connected to the limiting sliding table in a sliding mode, and the spring is laterally tightly supported on the limiting baffle and the supporting plate.

Through adopting above-mentioned technical scheme, through set up spacing slip table on first cylinder, set up limit baffle on the spacing slip table, set up on the second cylinder and support the board, support and set up the stopper on the board, make the spring when following spacing guide rail, carry on spacingly to the spring both ends through spacing guide rail, start first cylinder and make spacing slip table shrink to the inside direction of runner, limit baffle tightly supports the side of spring this moment, tightly support it with supporting the board, and tightly support the in-process, make the spring rotation through the extrusion of two boards, and carry out the adaptation with the stopper that supports on the board, realize complete spacingly afterwards, restart second cylinder shrink simultaneously, make the spring break away from spacing guide rail, and enter into the emery wheel district of polishing.

Optionally, follow on the spacing slip table the runner axial has seted up logical groove, limit baffle is along the perpendicular to spacing slip table direction sliding connection leads to the inslot, leads to the bottom of groove and has seted up the blind hole, and the blind hole bottom is provided with buffer spring, buffer spring's both ends respectively fixed connection in blind hole bottom with limit baffle is last, two the same spout has all been seted up on the limit guide, and spout length orbit sets up by mistake, the last fixed slider that is provided with of limit baffle, slider sliding connection in the spout.

Through adopting above-mentioned technical scheme, logical inslot at spacing slip table sets up the blind hole to set up buffer spring in the blind hole, provide flexible distance for limit baffle, and the slider on the limit baffle and the slide sliding connection on the limit guide, because the slide setting of straying, the flexible of limit baffle has indirectly been realized, can make when input spring, make limit baffle shrink, avoid limit baffle and input spring to cause the collision, lead to its not get into between limit baffle and the support board.

Optionally, the grinding wheel is arranged in a frustum shape, and the spring is ground on the table surface of the grinding wheel.

Through adopting above-mentioned technical scheme, through the emery wheel design of frustum form, spring after spacing gets into the district of polishing of emery wheel after, the spring tip gets into the plane district of polishing of emery wheel gradually, avoids directly getting into the plane when polishing the district, has great unevenness because of the spring both ends, leads to appearing the rigidity and assaults, causes the spring terminal surface to collapse the phenomenon.

Optionally, a plurality of fixing columns are arranged at one end of the rotating wheel along the axial direction of the rotating wheel, each fixing column is far away from the same annular transmission disc fixedly connected to one side of the rotating wheel, the annular transmission disc and the rotating wheel are coaxially arranged, an outer gear ring is fixedly arranged on the outer side of the transmission disc, the outer gear ring is driven by a motor with a transmission gear, the transmission gear is meshed with the outer gear ring, a fixing disc is rotatably connected to the inner side of the annular transmission disc, the fixing disc is fixedly connected to the ground, a through hole is formed in the fixing disc, the through hole and the rotating wheel are coaxially arranged, a driving motor is fixedly connected to the fixing disc, and a rotating shaft of the driving motor is rotatably connected to the through hole in the fixing disc and is coaxially and fixedly connected with the grinding wheel.

Through adopting above-mentioned technical scheme, the runner is through the fixed column connection endless drive dish that sets up, endless drive dish inboard is rotated and is set up the fixed disk, and fixed disk fixed connection realizes the support to the runner subaerial realization, and set up the through-hole on the fixed disk, and the fixed rotation that sets up driving motor and drive the emery wheel, the fixed outer ring gear that sets up in the endless drive dish outside, it is rotatory to have drive gear's motor drive outer ring gear through external, indirect drive runner realization is rotated, thereby realize the relative rotation between emery wheel and the runner, the realization is polished.

Optionally, a pressure sensor for detecting the pressure of the spring is arranged on the limiting sliding table.

Through adopting above-mentioned technical scheme, through set up pressure sensor on spacing slip table to output detected signal, when the spring was as for on spacing slip table, pressure sensor sent detected signal to amplifier, transmitted to the controller after carrying out the detected signal amplification, and the controller is controlled first cylinder and second cylinder respectively according to the detected signal output control function of transmission, realizes polishing whole process.

In a second aspect, the diamond spring production process provided by the application adopts the following technical scheme:

the production process of the diamond spring comprises the following specific steps:

the method comprises the following steps: annealing the spring raw material;

step two: flattening and drawing the annealed spring raw material;

step three: winding and forming the flattened raw materials;

step four: tempering the wound raw material;

step five: cutting off the end of the raw material which is coiled after tempering to form a single spring;

step six: deburring and polishing the formed spring;

step seven: and (4) applying anti-rust oil to the spring.

By adopting the technical scheme, the spring raw material is annealed to increase the ductility of the spring raw material and eliminate the internal stress of the material, the raw material is flattened and drawn to form a diamond shape, the spring is wound to form a spring primary structure, the wound material is tempered and eliminated with the internal stress, then the wound raw material is subjected to end cutting to form a single spring, the single spring is subjected to surface deburring and two-end polishing treatment respectively, and then the coating of the anti-rust oil is performed to complete the production.

In summary, the present application at least includes the following beneficial technical effects:

1. the rotating wheel is provided with an installation through groove, a limiting mechanism is arranged in the installation through groove to limit the spring, two ends of the spring tightly abut against the grinding wheel to polish the end face, the end face of the rotating wheel is not contacted with the grinding wheel, and the end face of the spring can be polished while the spring is conveyed on the rotating wheel, so that the production efficiency is improved;

2. through the structural design of the annular transmission disc, the outer gear ring and the fixed table, relative differential rotation is realized between the rotating wheel and the grinding wheel, and the polishing process of the spring is realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a front view of the overall structure of an embodiment of the present application;

FIG. 3 is an exploded view of the grinding wheel and wheel configuration of the present application;

FIG. 4 is an enlarged view of a portion of the embodiment of the present application at A in FIG. 3;

fig. 5 is a sectional view of a stopper mechanism in the embodiment of the present application.

Description of the reference numerals:

1. a rotating wheel; 2. installing a through groove; 3. a limiting mechanism; 31. a fixed table; 32 limiting guide rails; 33. a push plate structure; 331. a first cylinder; 332. a second cylinder; 333. a limiting sliding table; 334. a limit baffle; 335. a resisting plate; 336. a buffer spring; 337. a chute; 338. a slider; 339. a limiting block; 4. a grinding wheel; 5. fixing a column; 6. an annular drive disk; 7. an outer ring gear; 8. fixing the disc; 9. a drive motor; 10. a pressure sensor.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses continuous spring end face grinding machine. Referring to fig. 1 and 2, continuous spring terminal surface polisher includes runner 1 that the axis level set up, runner 1 is last to be offered four along self circumference equidistance and to be the logical groove 2 of rectangle open-ended installation, the installation leads to groove 2 and offers along 1 axial direction of runner, and set up in 1 outside opening of runner, each installation leads to all to install the stop gear 3 that is used for spacing spring in groove 2, the spring is spacing on stop gear 3 with the rotary drum spool syntropy, the length of spring is greater than runner 1's axial length, and the both ends of spring all exceed the same length of the both ends face of runner 1, runner 1's axial both sides all are provided with frustum form emery wheel 4,

emery wheel

4 and 1 coaxial setting of runner, and the inclined plane on the emery wheel 4 is towards runner 1, emery wheel 4's frustum face can tightly support the tip of spring.

Referring to fig. 1 and 3, a plurality of fixing columns 5 are arranged along two end faces of a rotating wheel 1, the axes of the fixing columns 5 are parallel to the axis of the rotating wheel 1, the fixing columns 5 are circumferentially distributed along the axis of the rotating wheel 1, the diameter of a grinding wheel 4 is smaller than the diameter of a circle formed by the fixing columns 5, one end of each fixing column 5 far away from the rotating wheel 1 on one end face is fixedly connected to a same annular transmission disc 6, the annular transmission disc 6 is coaxially arranged with the rotating wheel 1, an outer gear ring 7 is integrally formed on the outer side of the transmission disc, the outer gear ring 7 is driven by a motor with a transmission gear, the transmission gear is meshed with the outer gear ring 7, a fixing disc 8 coaxially arranged with the rotating wheel 1 is rotatably connected on the inner side of the transmission disc, the fixing disc 8 is fixedly connected to a horizontal ground through a fixing frame extending along the fixing frame, a through hole is formed in the fixing disc 8, the through hole is coaxially arranged with the rotating wheel 1, and a driving motor 9 is fixedly connected to the fixing disc 8, the rotating shaft of the driving motor 9 is rotatably connected in the through hole on the fixed disc 8 and is coaxially and fixedly connected with the grinding wheel 4.

Through the arrangement, when the grinding wheels 4 are arranged at two ends of the rotating wheel 1, the grinding wheels 4 are directly rotated through the driving motor 9 respectively, the external gear ring 7 is driven through the motor with the transmission gear, and the rotating wheel 1 is indirectly driven to rotate through the annular transmission disc 6 and the fixed column 5, so that the relative rotation between the grinding wheels 4 and the rotating wheel 1 is realized, and the speed difference is generated to realize the grinding.

Referring to fig. 4 and 5, the limiting mechanism 3 in the through groove 2 includes a fixed platform 31, a push plate structure 33 and a limiting guide rail 32, the fixed platform 31 is rectangular plate-shaped and is fixedly arranged on a side wall of the through groove 2, and the fixed platform 31 is arranged towards the runner 1 towards the self inner direction, two limiting guide rails 32 are respectively fixedly arranged on two opposite sides of the fixed platform 31, the two limiting guide rails 32 are arranged in parallel with each other, and the length direction of the limiting guide rails 32 is arranged in parallel with the end surface of the runner 1, two ends of the spring respectively tightly abut against the two limiting guide rails 32, the limiting guide rails 32 protrude out of the end surface of the runner 1, and keep a distance with the bottom surface of the through groove 2, and the grinding wheel 4 is not intersected with the limiting guide rails 32.

The push plate structure 33 comprises a first air cylinder 331 and a second air cylinder 332 which are arranged in parallel, the first air cylinder 331 and the fixed platform 31 are arranged in parallel and fixed on the fixed platform 31, the second air cylinder 332 is fixedly connected to the bottom of the installation through groove 2, and piston rods of the first air cylinder 331 and the second air cylinder 332 are arranged towards the outer side of the rotating wheel 1;

a rectangular limit sliding table 333 is fixedly arranged on a piston rod of the first air cylinder 331, the limit sliding table 333 is connected to the fixed table 31 in a sliding manner, a through groove is formed in the position, close to the outer side end of the rotating wheel 1, of the limit sliding table 333 along the direction parallel to the axial direction of the rotating wheel 1, the through groove is arranged towards an opening in one side of the fixed table 31 where the first air cylinder 331 is arranged, a limit baffle 334 is further arranged on the limit sliding table 333, the limit baffle 334 is connected to the through groove in a sliding manner along the direction perpendicular to the limit sliding table 333, a blind hole is formed in the bottom of the through groove, a buffer spring 336 is arranged at the bottom of the blind hole, two ends of the buffer spring 336 are fixedly connected to the bottom of the blind hole and the limit baffle 334, identical L-shaped sliding grooves 337 are formed in two opposite sides of the two limit guide rails 32, the turning part of the L-shaped sliding grooves 337 is arranged towards the outer side of the rotating wheel 1, the length direction of the sliding grooves 337 is arranged parallel to the fixed table 31, and a sliding block 338 is fixedly arranged on the limit baffle 334, the slider 338 is slidably connected in the chute 337;

a supporting plate 335 is fixedly arranged on a piston rod of the second cylinder 332, a protrusion perpendicular to the supporting plate 335 is arranged on the supporting plate 335, a row of limiting blocks 339 used for embedding a pitch gap of the spring are fixedly arranged on the protrusion, the supporting plate 335 is slidably connected on the limiting sliding table 333, and the spring is laterally tightly supported on the limiting baffle 334 and the supporting plate 335.

Through the above arrangement, the limiting guide rail 32 limits the two ends of the spring, pushes the spring on the limiting sliding table 333 to the supporting plate 335 on the second cylinder 332 through the limiting baffle 334, and is matched with the limiting block 339 on the supporting plate 335, so that the complete limitation of the spring is realized, and when the two cylinders are driven to retract, the spring moves to the grinding wheel 4 for grinding.

The limiting sliding table 333 is further provided with a pressure sensor 10 for detecting the pressure of the spring.

The implementation principle of the continuous spring end face grinding machine in the embodiment of the application is as follows:

when the installation through groove 2 of the runner 1 is rotated to a horizontal state, and the fixed station 31 is located on the lower side wall of the installation through groove 2 at the moment, the spring is input to the limiting sliding table 333 from the outside, the axis of the input spring is parallel to the axis of the runner 1, the two ends of the spring tightly abut against the limiting guide rail 32 at the moment, and along with the rotation of the runner 1, the spring slides to the abutting plate 335 along the limiting guide rail 32 through gravity and tightly abuts against the abutting plate 335, at the moment, the pressure sensor 10 sends out a detection signal, the detection signal is amplified by the amplifier and then conveyed to the controller, and the controller converts a prefabricated control function into a control signal to control the two cylinders.

The first air cylinder 331 contracts firstly, the limiting sliding table 333 integrally moves towards the inner side of the rotating wheel 1, and at the moment, the limiting baffle 334 slides along the sliding groove 337 through the sliding block 338, so that the limiting baffle 334 is lifted and tightly abuts against the pulley, and the spring is matched with the limiting block 339 simultaneously in the abutting process to realize complete limiting of the spring; at this time, the two cylinders contract simultaneously, so that the two ends of the spring are separated from the limit guide rails 32 and tightly abut against the grinding surface of the grinding wheel 4.

The embodiment of the application also discloses a production process of the diamond spring, which adopts the production equipment and comprises the following specific steps:

the method comprises the following steps: placing the spring raw material in an annealing furnace for annealing treatment;

step two: flattening and drawing the annealed spring raw material by drawing equipment to form a diamond-shaped end face of the material;

step three: winding and molding the flattened raw material by a spring coiling machine;

step four: tempering the coiled raw material by a tempering furnace;

step five: cutting off the end of the coiled raw material after tempering according to the requirements of the spring to form a single diamond spring;

step six: removing burrs on the surface of the formed diamond-shaped spring through a conical grinding wheel 4, and polishing two ends of the diamond-shaped spring through a polisher;

step seven: and (5) coating the diamond spring with antirust oil through an oil cylinder to finish the product preparation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Continuous spring terminal surface polisher, its characterized in that: the spring grinding device comprises a rotating wheel (1), wherein a plurality of installation through grooves (2) are formed in the rotating wheel (1) along the circumferential direction of the rotating wheel, the installation through grooves (2) are axially formed in the rotating wheel (1), openings in the outer side of the rotating wheel (1) are formed, limiting mechanisms (3) used for limiting springs are installed in the installation through grooves (2), the length of each spring is larger than the axial length of the rotating wheel (1), the two ends of each spring are exposed out of the two end faces of the rotating wheel (1), grinding wheels (4) driven by a motor and used for grinding the two ends of each spring are arranged in the axial two-side direction of the rotating wheel (1), and the grinding faces of the grinding wheels (4) are tightly abutted to the two ends of each spring respectively.

2. The continuous spring face sander of claim 1, wherein: stop gear (3) including fixed station (31), be used for spacing spring push pedal structure (33) and be used for gliding stop rail (32) of spring direction, fixed station (31) fixed set up in a lateral wall of installation logical groove (2), and follow runner (1) sets up to its inside direction, fixed being provided with two on fixed station (31) stop rail (32), two stop rail (32) parallel to each other sets up to be on a parallel with the terminal surface setting of runner (1), the both ends of spring tightly support in two respectively on stop rail (32), emery wheel (4) and each leave the clearance between stop rail (32).

3. The continuous spring face sander of claim 2, wherein: the push plate structure (33) comprises a first cylinder (331) and a second cylinder (332) which are arranged in parallel, the first cylinder (331) and the fixed platform (31) are arranged in parallel and fixed on the fixed platform (31), the second cylinder (332) is fixedly connected with the side wall of the installation through groove (2), piston rods of the first cylinder (331) and the second cylinder (332) are arranged towards the outer side of the rotating wheel (1), a limit sliding table (333) is fixedly arranged on a piston rod of the first cylinder (331), the limit sliding table (333) is connected on the fixed platform (31) in a sliding manner, a limit baffle (334) is arranged on the limit sliding table (333), two ends of the limit baffle (334) are limited on two limit guide rails (32), a support plate (335) is fixedly arranged on a piston rod of the second cylinder (332), and a plurality of limit blocks (339) for a thread pitch gap of the embedded spring are arranged on the support plate (335), the supporting plate (335) is connected to the limiting sliding table (333) in a sliding mode, and the spring is laterally tightly supported on the limiting baffle (334) and the supporting plate (335).

4. The continuous spring face sander of claim 3, wherein: follow on spacing slip table (333) runner (1) axial has seted up logical groove, perpendicular to is followed in limit baffle (334) limit slip table (333) direction sliding connection in logical inslot, and the blind hole has been seted up to the bottom that leads to the groove, and the blind hole bottom is provided with buffer spring (336), the both ends of buffer spring (336) respectively fixed connection in the blind hole bottom with limit baffle (334) are last, two the same spout (337) have all been seted up on limit guide (32), and spout (337) length orbit sets up by mistake, limit baffle (334) are gone up to fix and are provided with slider (338), slider (338) sliding connection in spout (337).

5. The continuous spring face sander of claim 1, wherein: the grinding wheel (4) is arranged in a frustum shape, and the spring is used for grinding the table surface of the grinding wheel (4).

6. The continuous spring face sander of claim 1, wherein: one end of the rotating wheel (1) is provided with a plurality of fixing columns (5) along the axial direction of the rotating wheel, each fixing column (5) is fixedly connected with the same annular transmission disc (6) on one side far away from the rotating wheel (1), the annular transmission disc (6) and the rotating wheel (1) are coaxially arranged, an outer gear ring (7) is fixedly arranged on the outer side of the transmission disc, the outer gear ring (7) is driven by a motor with a transmission gear, the transmission gear is meshed with the outer gear ring (7), the inner side of the annular transmission disc (6) is rotatably connected with a fixing disc (8), the fixing disc (8) is fixedly connected to the ground, a through hole is formed in the fixing disc (8), the through hole is coaxially arranged with the rotating wheel (1), a driving motor (9) is fixedly connected to the fixing disc (8), a rotating shaft of the driving motor (9) is rotatably connected to the through hole in the fixing disc (8), and is coaxially and fixedly connected with the grinding wheel (4).

7. The continuous spring face sander of claim 3, wherein: and a pressure sensor (10) for detecting the pressure of the spring is arranged on the limiting sliding table (333).

8. The production process of the diamond spring adopts the continuous spring end face grinding machine according to any one of claims 1 to 7, and is characterized in that: the method comprises the following specific steps:

the method comprises the following steps: annealing the spring raw material;

step two: flattening and drawing the annealed spring raw material;

step three: winding and molding the flattened raw material;

step four: tempering the wound raw material;

step six: deburring and polishing the formed spring;

step seven: and (4) applying antirust oil to the spring.