CN110455472A - A kind of spring production drawing mechanism with buffer protection structure - Google Patents

A kind of spring production drawing mechanism with buffer protection structure Download PDF

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Publication number
CN110455472A
CN110455472A CN201910685951.XA CN201910685951A CN110455472A CN 110455472 A CN110455472 A CN 110455472A CN 201910685951 A CN201910685951 A CN 201910685951A CN 110455472 A CN110455472 A CN 110455472A
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China
Prior art keywords
cabinet
spring
buffer protection
spring production
seal pipe
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CN201910685951.XA
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CN110455472B (en
Inventor
喻其炳
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Chongqing University
Chongqing Technology and Business University
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Chongqing Technology and Business University
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Priority to CN201910685951.XA priority Critical patent/CN110455472B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0041Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
    • G01M5/005Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems

Abstract

The invention discloses a kind of spring production drawing mechanisms with buffer protection structure, it is related to spring production technical field, specially pedestal and cabinet, the pedestal is fixedly arranged above support, and the front of support is equipped with connection turntable, the connection turntable is positively connected with backboard, the two sides up and down of the cabinet are provided with sliding slot, and cabinet is located at the front of backboard, translation door is installed on the inside of the sliding slot, and the centre of translation door is provided with transparent toughened glass form, the front of the translation door is equipped with knob, fixed frame is installed on the inside of the cabinet, the spring production drawing mechanism with buffer protection structure, extension test can be carried out to spring, the main test structure of device is mounted in cabinet, and the backboard of box back surface can be rotated on the support by connecting turntable, to adjust inclining for cabinet Rake angle, the spring placed in cabinet vertically also follow cabinet to tilt, convenient for carrying out the extension test under differing tilt angles to spring.

Description

A kind of spring production drawing mechanism with buffer protection structure
Technical field
The present invention relates to spring production technical field, specially a kind of spring production stretching with buffer protection structure Mechanism.
Background technique
Spring is a kind of using the elastic machine components come work, and the part made of elastic material is sent out under external force Raw deformation restores to the original state again after removing external force, biggish energy can be generally assembled when due to spring works, when spring quality not It reaches a standard or when beyond spring works limit, spring is easy moment and bursts apart deformed damaged, than relatively hazardous, so spring is being produced Afterwards, it generally requires and carries out stretching or compression verification, with the structural strength and working performance of detection spring.
General spring elongation testing agency is Open architecture, and when carrying out spring elongation test, spring is easy to burst apart To outside device, user of service is hurt, safety is lower, and the generally vertical knot of common spring elongation detection device Structure can only carry out the spring test of vertical direction, and detection range is smaller, and using flexible is lower, while spring elongation detection dress It sets and does not have buffer structure, when spring test is burst apart, device is easy to cause to damage.
A kind of spring part disclosed in Chinese invention patent application prospectus CN106197991A stretches dress repeatedly It sets, the stretching device, although being provided with the fixed plate and carrying board for fixed spring both ends, several bullets can be tested simultaneously Spring, so that the result of test is more accurate, still, which needs to place certain weight in the load-carrying slot on carrying board The weight of amount carries out detection work, has Numerical accuracy not high, structure is too simple and is not easy to the shortcomings that being adjusted.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of spring production stretching-machines with buffer protection structure Structure solves the problems mentioned above in the background art.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of production of spring is with having buffering The drawing mechanism of safeguard structure, including pedestal and cabinet, the pedestal is fixedly arranged above support, and the front of support is equipped with Turntable is connected, the connection turntable is positively connected with backboard, and the two sides up and down of the cabinet are provided with sliding slot, and cabinet position Translation door is installed on the inside of the front of backboard, the sliding slot, and the centre of translation door is provided with transparent toughened glass form, The front of the translation door is equipped with knob, fixed frame is equipped on the inside of the cabinet, and be provided with below fixed frame Pull ring, the centre of the fixed frame are provided with stretching translation mechanism, are connected with above the stretching translation mechanism hydraulically-damped Mechanism, and water tank is connected with above hydraulically-damped mechanism, filler, the stretching translation machine are provided at the top of the water tank It is provided with dynamic tensile mechanism on the outside of structure, and is connected with connecting shaft on the right side of dynamic tensile mechanism, the outside of the connecting shaft It is provided with handle.
Optionally, the backboard is rotatablely connected by connection turntable and support, and connects the horizontal center line and back of turntable The horizontal center line of plate is located along the same line.
Optionally, the horizontal center line between the sliding slot about translation door is symmetrical, and between the horizontal center line of sliding slot It is parallel to each other.
Optionally, the translation door is connect by sliding slot with box body-sliding, and size matches between translation door and cabinet.
Optionally, the stretching translation mechanism includes column, sliding sleeve, slide, tensiometer and lower pull ring, and the outside of column Nesting is equipped with sliding sleeve, and the centre of the sliding sleeve is connected with slide, and the centre of slide is fixed with tensiometer, the tensiometer Top is connected with lower pull ring.
Optionally, the vertical centerline of the sliding sleeve and the vertical centerline of column are located along the same line, and sliding sleeve with Size matches between column.
Optionally, the hydraulically-damped mechanism includes the first seal pipe, the second seal pipe, piston and piston push rod, and the The inside nesting of one seal pipe is equipped with the second seal pipe, and the inside nesting of second seal pipe is equipped with piston, and piston Lower section be connected with piston push rod.
Optionally, size matches between first seal pipe and the second seal pipe, and the second seal pipe and piston it Between size match.
Optionally, the dynamic tensile mechanism includes central rotating shaft, upper fluted disc, chain, attachment base and lower tooth disk, and center It is connected with fluted disc on the outside of shaft, chain is installed, and the centre of chain is fixed with attachment base on the outside of the upper fluted disc, institute The bottom end for stating chain is connected with lower tooth disk.
Optionally, the vertical centerline between the upper fluted disc about central rotating shaft is symmetrical, and between upper fluted disc and chain Size matches.
The present invention provides a kind of spring production drawing mechanisms with buffer protection structure, have following beneficial to effect Fruit:
1. the spring production drawing mechanism with buffer protection structure can carry out extension test, the master of device to spring Structure is tested to be mounted in cabinet, and the backboard of box back surface can be rotated on the support by connecting turntable, to adjust The tilt angle of cabinet, the spring placed in cabinet vertically also follow cabinet to tilt, convenient for carrying out differing tilt angles to spring Under extension test, the test scope of expanding unit improves the test accuracy of device, be conducive to improve the functionality of device with Using flexible.
2. the spring production drawing mechanism with buffer protection structure can carry out extension test, device to spring Main test structure be mounted in cabinet, cabinet front is provided with opening, operates convenient for the inside to cabinet, cabinet can To be sealed by translation door, translation door can be slided in cabinet by sliding slot, thus it is on and off to cabinet progress, And size matches between translation door and cabinet, convenient for keeping the airtightness of cabinet, is burst apart when preventing spring from testing to device Outside is conducive to the safety for improving device.
3. the spring production drawing mechanism with buffer protection structure, draws spring by stretching translation mechanism Test job is stretched, device is provided with fixed upper pull ring, and lower pull ring is connected by tensiometer with slide, convenient for passing through pulling force Meter is detected and is shown to the pulling force of spring, can be to being fixed between upper pull ring and lower pull ring by the movement of slide Spring carries out extension test, and slide can be moved in parallel on column by sliding over, and size matches between sliding sleeve and column, just It in the stability for keeping slide mobile, and is parallel to each other between column, convenient for the horizontality for keeping slide mobile, is conducive to mention The stability and measuring accuracy of high device.
4. the spring production drawing mechanism with buffer protection structure, carries out buffering work by hydraulically-damped mechanism Make, prevents spring from carrying out test when bursting apart, slide disequilibrium damages device, and hydraulically-damped mechanism mainly passes through water Incoercibility carries out buffering work, is connected with water tank above the first seal pipe of hydraulically-damped mechanism, can draw from water tank Water makes full of water in the first seal pipe and the second seal pipe, and since shipwreck is to be compressed, meeting totally tansitive pressure works as slide When unbalance rapidly moving upward, it will drive piston push rod and piston and moved in the second seal pipe, water is passed through into the first seal pipe Discharge, by the atmospheric pressure in Water in Water Tanks face, piston will receive biggish resistance, to hinder piston push rod rapid with slide It is mobile, the movement speed of slide is reduced, buffering work is carried out, is conducive to the safety for improving device.
5. the spring production drawing mechanism with buffer protection structure, is drawn by dynamic tensile mechanism and stretches translation Mechanism carries out extension test work to spring, and dynamic tensile mechanism is drawn by chain to translation mechanism is stretched, and chain is logical It crosses attachment base to be fixedly connected with sliding sleeve, drives chain movement by rotating upper fluted disc and lower tooth disk, thus drive sliding sleeve mobile, on Size matches between fluted disc, lower tooth disk and chain, convenient for improving the stability of apparatus structure, is stretched and is translated by chain-driving Mechanism is mobile, can keep chain and stretch translation mechanism synchronizing moving, is conducive to improve the convenience that device is adjusted and used.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is box structure diagram of the present invention;
Fig. 3 is box back surface structural schematic diagram of the present invention;
Fig. 4 is that the present invention stretches translation mechanism structural schematic diagram;
Fig. 5 is the hydraulically-damped mechanism structure schematic diagram of the present invention;
Fig. 6 is dynamic tensile mechanism structure schematic diagram of the present invention.
In figure: 1, pedestal;2, support;3, turntable is connected;4, backboard;5, cabinet;6, sliding slot;7, translation door;8, transparent steel Change glass vision panel;9, it shakes hands;10, fixed frame;11, upper pull ring;12, translation mechanism is stretched;1201, column;1202, sliding sleeve; 1203, slide;1204, tensiometer;1205, lower pull ring;13, hydraulically-damped mechanism;1301, the first seal pipe;1302, second is close Tube sealing;1303, piston;1304, piston push rod;14, water tank;15, filler;16, dynamic tensile mechanism;1601, central rotating shaft; 1602, upper fluted disc;1603, chain;1604, attachment base;1605, lower tooth disk;17, connecting shaft;18, handle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention, in addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, it can also indirectly connected through an intermediary, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Please refer to Fig. 1 to Fig. 6, the present invention provides a kind of technical solution: a kind of production of spring is with having buffer protection structure Drawing mechanism, including pedestal 1 and cabinet 5, pedestal 1 is fixedly arranged above support 2, and the front of support 2 is equipped with connection and turns Disk 3, connection turntable 3 are positively connected with backboard 4, and the two sides up and down of cabinet 5 are provided with sliding slot 6, and cabinet 5 is located at backboard 4 Front, backboard 4 by connection turntable 3 and support 2 be rotatablely connected, and connect turntable 3 horizontal center line and backboard 4 level Center line is located along the same line, and device can carry out extension test to spring, and the main test structure of device is mounted on cabinet 5 In, and the backboard 4 at 5 back side of cabinet can be rotated on support 2 by connecting turntable 3, so that the tilt angle of cabinet 5 is adjusted, The spring placed vertically in cabinet 5 also follows cabinet 5 to tilt, convenient for carrying out the extension test under differing tilt angles to spring, The test scope of expanding unit improves the test accuracy of device, is conducive to the functionality for improving device and using flexible;
The inside of sliding slot 6 is equipped with translation door 7, and the centre of translation door 7 is provided with transparent toughened glass form 8, translation door 7 Front is equipped with knob 9, and the horizontal center line between sliding slot 6 about translation door 7 is symmetrical, and between the horizontal center line of sliding slot 6 It is parallel to each other, translation door 7 is slidably connected by sliding slot 6 with cabinet 5, and size matches between translation door 7 and cabinet 5, device Extension test can be carried out to spring, the main test structure of device is mounted in cabinet 5, and 5 front of cabinet is provided with opening, just It is operated in the inside to cabinet 5, cabinet 5 can be sealed by translation door 7, and translation door 7 can be by sliding slot 6 in case It is slided in body 5, to carry out to cabinet 5 on and off, and size matches between translation door 7 and cabinet 5, convenient for keeping The airtightness of cabinet 5, bursts apart when preventing spring from testing to outside device, is conducive to the safety for improving device;
The inside of cabinet 5 is equipped with fixed frame 10, and the lower section of fixed frame 10 is provided with pull ring 11, and the centre of fixed frame 10 is set It is equipped with and stretches translation mechanism 12, the top for stretching translation mechanism 12 is connected with hydraulically-damped mechanism 13, and hydraulically-damped mechanism 13 Top be connected with water tank 14, stretching translation mechanism 12 includes column 1201, sliding sleeve 1202, slide 1203,1204 and of tensiometer Lower pull ring 1205, and the outside nesting of column 1201 is equipped with sliding sleeve 1202, the centre of sliding sleeve 1202 is connected with slide 1203, and The centre of slide 1203 is fixed with tensiometer 1204, and the top of tensiometer 1204 is connected with lower pull ring 1205, and sliding sleeve 1202 erects The vertical centerline of straight center line and column 1201 is located along the same line, and size kissing between sliding sleeve 1202 and column 1201 It closes, device is provided with fixed upper pull ring 11, and lower pull ring 1205 is connected by tensiometer 1204 with slide 1203, convenient for logical It crosses tensiometer 1204 and the pulling force of spring is detected and shown, it, can be to being fixed on upper pull ring by the movement of slide 1203 Spring between 11 and lower pull ring 1205 carries out extension test, and slide 1203 can be parallel on column 1201 by sliding sleeve 1202 Mobile, size matches between sliding sleeve 1202 and column 1201, convenient for keeping the stability of the movement of slide 1203, and column It is parallel to each other between 1201, convenient for the horizontality for keeping slide 1203 mobile, is conducive to the stability for improving device and test essence Degree;
The top of water tank 14 is provided with filler 15, and hydraulically-damped mechanism 13 includes the first seal pipe 1301, the second seal pipe 1302, piston 1303 and piston push rod 1304, and the inside nesting of the first seal pipe 1301 is equipped with the second seal pipe 1302, the The inside nesting of two seal pipes 1302 is equipped with piston 1303, and the lower section of piston 1303 is connected with piston push rod 1304, and first Size matches between seal pipe 1301 and the second seal pipe 1302, and size phase between the second seal pipe 1302 and piston 1303 It coincide, device carries out buffering work by hydraulically-damped mechanism 13, prevents spring from test when bursting apart, slide 1203 loses flat Weighing apparatus damages device, and hydraulically-damped mechanism 13 is main to carry out buffering work, hydraulically-damped machine by the Incoercibility of water It is connected with water tank 14 above first seal pipe 1301 of structure 13, water can be drawn from water tank 14, makes the first seal pipe 1301 and Water is full of in two seal pipes 1302, since shipwreck is to be compressed, meeting totally tansitive pressure, when slide 1203 is unbalance rapidly upward When mobile, it will drive piston push rod 1304 and moved in the second seal pipe 1302 with piston 1303, water is passed through into the first seal pipe 1301 discharges, by the atmospheric pressure of the water surface in water tank 14, piston 1303 will receive biggish resistance, to hinder piston push rod 1304 is mobile rapidly with slide 1203, reduces the movement speed of slide 1203, carries out buffering work, is conducive to the peace for improving device Quan Xing;
The outside for stretching translation mechanism 12 is provided with dynamic tensile mechanism 16, and the right side of dynamic tensile mechanism 16 is connected with connection Axis 17, dynamic tensile mechanism 16 include central rotating shaft 1601, upper fluted disc 1602, chain 1603, attachment base 1604 and lower tooth disk 1605, and the outside of central rotating shaft 1601 is connected with fluted disc 1602, the outside of upper fluted disc 1602 is equipped with chain 1603, and chain The centre of item 1603 is fixed with attachment base 1604, and the bottom end of chain 1603 is connected with lower tooth disk 1605, closes between upper fluted disc 1602 It is symmetrical in the vertical centerline of central rotating shaft 1601, and size matches between upper fluted disc 1602 and chain 1603, device passes through The traction of dynamic tensile mechanism 16 stretches translation mechanism 12 and carries out extension test work to spring, and dynamic tensile mechanism 16 passes through chain 1603 pairs of stretching translation mechanisms 12 are drawn, and chain 1603 is fixedly connected by attachment base 1604 with sliding sleeve 1202, by turning It is mobile that dynamic upper fluted disc 1602 and lower tooth disk 1605 drive chain 1603, thus drive sliding sleeve 1202 mobile, upper fluted disc 1602, lower tooth Size matches between disk 1605 and chain 1603, convenient for improving the stability of apparatus structure, is driven and is stretched by chain 1603 Translation mechanism 12 is mobile, can keep chain 1603 and stretch 12 synchronizing moving of translation mechanism, be conducive to improve device adjust and The convenience used, the outside of connecting shaft 17 are provided with handle 18.
In conclusion the spring production drawing mechanism with buffer protection structure, in use, translation door 7 is passed through Sliding slot 6 slides in cabinet 5, so that cabinet 5 be opened, then the spring for carrying out extension test will be needed to be fixed on upper pull ring 11 Between lower pull ring 1205, then translation door 7 is slided in cabinet 5 by sliding slot 6, so that cabinet 5 be closed, keeps cabinet 5 airtightness when preventing spring from being tested, bursts apart to outside device, and cabinet 5 can be turned on support 2 by connection turntable 3 Dynamic, to adjust the tilt angle of cabinet 5, the spring placed vertically in cabinet 5 also follows cabinet 5 to tilt, thus to spring into Extension test under row differing tilt angles after completing installation secured adjusted, is rotatablely connected axis 17, connecting shaft 17 by handle 18 Lower tooth disk 1605 is driven to rotate, chain 1603 moves on upper fluted disc 1602 and lower tooth disk 1605, and chain 1603 passes through attachment base 1604 are fixedly connected with sliding sleeve 1202, drive sliding sleeve 1202 to move down, to drive the slide connected among sliding sleeve 1202 1203 is mobile, and the lower end of spring is connected on lower pull ring 1205, and lower pull ring 1205 is connected by tensiometer 1204 with slide 1203 It connects, is detected and shown by pulling force of the tensiometer 1204 to spring, upper pull ring 11 becomes larger with lower 1205 spacing of pull ring, connection Spring between upper pull ring 11 and lower pull ring 1205 is stretched, to be tested, device by hydraulically-damped mechanism 13 into Row buffering work prevents spring from carrying out test when bursting apart, and 1203 disequilibrium of slide damages device, hydraulically-damped mechanism It is connected with water tank 14 above 13 the first seal pipe 1301, water can be drawn from water tank 14, makes the first seal pipe 1301 and second Water is full of in seal pipe 1302, since shipwreck is to be compressed, meeting totally tansitive pressure, when spring bursts apart, slide 1203 it is unbalance rapid mobile when, will drive piston push rod 1304 and moved in the second seal pipe 1302 with piston 1303, water is led to The discharge of the first seal pipe 1301 is crossed, by the atmospheric pressure of the water surface in water tank 14, piston 1303 will receive biggish resistance, thus It hinders piston push rod 1304 and slide 1203 mobile rapidly, reduces the movement speed of slide 1203, carry out buffering work, like this Complete the use process of the entire spring production drawing mechanism with buffer protection structure.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of spring production drawing mechanism with buffer protection structure, including pedestal (1) and cabinet (5), feature exists In: the pedestal (1) is fixedly arranged above support (2), and the front of support (2) is equipped with connection turntable (3), and the connection turns Disk (3) is positively connected with backboard (4), and the two sides up and down of the cabinet (5) are provided with sliding slot (6), and cabinet (5) is located at back The front of plate (4) is equipped with translation door (7) on the inside of the sliding slot (6), and the centre of translation door (7) is provided with transparent tempering The front of glass vision panel (8), the translation door (7) is equipped with knob (9), is equipped with fixed frame on the inside of the cabinet (5) (10), it and below fixed frame (10) is provided with pull ring (11), the centre of the fixed frame (10), which is provided with, stretches translation machine Structure (12) is connected with hydraulically-damped mechanism (13) above the stretching translation mechanism (12), and hydraulically-damped mechanism (13) Top is connected with water tank (14), is provided with filler (15) at the top of the water tank (14), stretching translation mechanism (12) Outside is provided with dynamic tensile mechanism (16), and connecting shaft (17), the connection are connected on the right side of dynamic tensile mechanism (16) Handle (18) are provided on the outside of axis (17).
2. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: The backboard (4) is rotatablely connected by connection turntable (3) and support (2), and connects the horizontal center line and backboard of turntable (3) (4) horizontal center line is located along the same line.
3. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: Horizontal center line between the sliding slot (6) about translation door (7) is symmetrical, and mutually flat between the horizontal center line of sliding slot (6) Row.
4. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: The translation door (7) is slidably connected by sliding slot (6) with cabinet (5), and size matches between translation door (7) and cabinet (5).
5. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: The stretching translation mechanism (12) includes column (1201), sliding sleeve (1202), slide (1203), tensiometer (1204) and lower pull ring (1205), and the outside nesting of column (1201) is equipped with sliding sleeve (1202), and the centre of the sliding sleeve (1202) is connected with slide (1203), and the centre of slide (1203) is fixed with tensiometer (1204), is connected with drop-down above the tensiometer (1204) Ring (1205).
6. a kind of spring production drawing mechanism with buffer protection structure according to claim 5, it is characterised in that: The vertical centerline of the sliding sleeve (1202) and the vertical centerline of column (1201) are located along the same line, and sliding sleeve (1202) Size matches between column (1201).
7. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: The hydraulically-damped mechanism (13) includes that the first seal pipe (1301), the second seal pipe (1302), piston (1303) and piston push away Bar (1304), and the inside nesting of the first seal pipe (1301) is equipped with the second seal pipe (1302), second seal pipe (1302) inside nesting is equipped with piston (1303), and piston push rod (1304) are connected with below piston (1303).
8. a kind of spring production drawing mechanism with buffer protection structure according to claim 7, it is characterised in that: Size matches between first seal pipe (1301) and the second seal pipe (1302), and the second seal pipe (1302) and piston (1303) size matches between.
9. a kind of spring production drawing mechanism with buffer protection structure according to claim 1, it is characterised in that: The dynamic tensile mechanism (16) include central rotating shaft (1601), upper fluted disc (1602), chain (1603), attachment base (1604) and Lower tooth disk (1605), and fluted disc (1602) are connected on the outside of central rotating shaft (1601), the outside of the upper fluted disc (1602) It is equipped with chain (1603), and the centre of chain (1603) is fixed with attachment base (1604), the bottom end of the chain (1603) connects It is connected to lower tooth disk (1605).
10. a kind of spring production drawing mechanism with buffer protection structure according to claim 9, feature exist In: the vertical centerline between the upper fluted disc (1602) about central rotating shaft (1601) is symmetrical, and upper fluted disc (1602) and chain Size matches between item (1603).
CN201910685951.XA 2019-07-28 2019-07-28 Spring production is with straining device who has buffering protective structure Active CN110455472B (en)

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