CN214212074U

CN214212074U - Miniature full earring extension spring anchor clamps

Info

Publication number: CN214212074U
Application number: CN202022766863.3U
Authority: CN
Inventors: 马英成
Original assignee: Guizhou Yinghang Spring Co ltd
Current assignee: Guizhou Yinghang Spring Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-09-17
Anticipated expiration: 2030-11-26

Abstract

A miniature whole earring tension spring clamp is used for manufacturing a whole earring of a miniature tension spring, belongs to the technical field of whole earring tension spring clamp equipment manufacturing, and comprises a base, wherein a pressure rod is hinged on the base, a tension spring ring separation pressure head is integrally arranged between two ends of the pressure rod, a tension spring clamping mechanism is arranged on the base corresponding to the tension spring ring separation pressure head, the lower surface of the tension spring ring separation pressure head is an inclined surface which is inclined upwards by 10 degrees and is opposite to one side of a clamping hand, the thickness of the tension spring ring separation pressure head is larger than the diameter of a steel wire for manufacturing the tension spring, the utility model adopts a mode of turning a first ring steel wire at the end part of the tension spring into the whole earring, designs a clamp which enables the first ring steel wire at the end part of the tension spring to rotate radially by the pressure head to be close to 90 degrees, can be changed into the whole earring under the condition of not changing the roundness of the first ring steel wire at the end part of the tension spring for reducing the technical requirement of manufacturing the miniature whole earring tension spring, the problems of low qualification rate and low production efficiency in the manufacturing process of the full lug ring of the tension spring are solved.

Description

Miniature full earring extension spring anchor clamps

Technical Field

A miniature full-earring tension spring clamp is used for manufacturing a full-earring of a miniature tension spring and belongs to the technical field of manufacturing of full-earring tension spring clamp equipment.

Background

The miniature full-earring tension spring has the following parameter values: the diameter of the tension spring is 1.25mm, the diameter of the steel wire is 0.3mm, and the length of the tension spring is 5.4mm, so the tension spring is particularly small, in the manufacturing process, the processing difficulty is high, particularly, when the full earrings of the tension springs are manufactured, because the tension springs are small, the steel wires at the end parts of the tension springs are difficult to be bent into the full earrings by using tools, however, in the current manufacturing process, because of the limitation of tools and thinking, the method is the common method for manufacturing the full-earring of the full-earring tension spring, namely, after the middle section of the steel wire is wound into the tension spring, the steel wires at the two ends of the tension spring are bent into the full-earring, however, because the volume of the miniature full earring tension spring is extremely small, the tension spring is inconvenient to clamp, the process difficulty is high, and the roundness of the full earring is difficult to ensure in the process of bending the full earring, therefore, the common manufacturing method of the full-earring of the miniature full-earring tension spring is adopted for manufacturing, and the qualification rate and the production efficiency are very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's shortcoming, adopt the mode of pulling into the full earring with the first round steel wire of extension spring tip, design one kind and make the first round steel wire of extension spring tip take place the anchor clamps that radial rotation is close 90 degrees through the pressure head, can become the full earring with it under the circumstances of the circularity of the first round steel wire of extension spring tip for reduce the technical requirement of preparation miniature full earring extension spring, the problem that the qualification rate is low and production efficiency is low in the full earring manufacturing process of problem extension spring has been solved.

For solving the above technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a miniature full earrings extension spring anchor clamps, includes the base, it has the depression bar to articulate on the base, an organic whole is equipped with extension spring circle separation pressure head between the both ends of depression bar, corresponds on the base extension spring circle separation pressure head sets up extension spring fixture, be equipped with on the lateral wall of extension spring circle separation pressure head with extension spring fixture cooperation and vertical gliding centre gripping hand, the lower surface of extension spring circle separation pressure head is 10 degrees inclined planes of leaned on one side of the centre gripping hand dorsad, the thickness of extension spring circle separation pressure head is greater than the diameter of the steel wire of preparation extension spring.

In the utility model, when in use, the press rod is firstly pulled up (as shown in figure 3), then the tension spring with finished winding is placed on the tension spring clamping mechanism on the base, the press rod is slowly put down, the lower surface of the tension spring coil separating pressure head slowly contacts with the first circle of steel wire at the end part of the tension spring, then the press rod is pressed downwards by strength, because the lower surface of the tension spring coil separating pressure head is an inclined surface which is inclined upwards by 10 degrees back to one side of the clamping hand, in the process of pressing down the press rod, the first circle of steel wire at the end part of the tension spring can radially rotate (as shown in figure 7) under the supporting force of the inclined lower surface of the tension spring coil separating pressure head and the downward pressure action of the tension spring coil separating pressure head, thereby forming the shape (namely a finished product) of figure 2, in the process of pressing down the tension spring coil separating pressure head, the clamping hand is arranged on the side wall of the tension spring coil separating pressure head in a sliding way, therefore, the gravity of the clamping hand can press down the tension spring, after the clamping hand contacts the tension spring, the clamping hand is vertically and slidably arranged on the tension spring coil separating pressure head, so that the clamping hand keeps static under the supporting force of the tension spring after contacting the tension spring, and the clamping hand and the tension spring clamping mechanism jointly act to clamp the tension spring, so that the tension spring cannot continuously move downwards along with the pressure rod; in the actual motion, when making the centre gripping hand, the preparation can be adjusted according to the steel wire of the miniature full earring extension spring of preparation to the gravity of centre gripping hand only grasps the extension spring behind the gravity contact extension spring and does not make the extension spring warp, the utility model discloses a mode of pulling the first round steel wire of extension spring tip into full earring designs one kind and makes the first round steel wire of extension spring tip take place the radial rotation and be close to 90 degrees anchor clamps through the pressure head, can become full earring with it under the circumstances of the circularity of the first round steel wire of extension spring tip not changed for reduce the technical requirement of making miniature full earring extension spring, the problem of low in the full earring manufacturing process qualification rate and the production efficiency low of problem extension spring has been solved.

As an optimal mode, extension spring fixture is including locating grip slipper on the base, be equipped with the cross section on the grip slipper and be semicircular recess in one side that lies in the centre gripping hand, the recess perpendicular to depression bar and one end reach the lateral wall that the extension spring circle separation pressure head set up the centre gripping hand, the height of grip slipper one side dorsad equals the height of the lowest of recess internal surface.

As a preferred mode, a sliding groove is formed in the side wall of the tension spring coil separating pressure head, the clamping hand is connected in the sliding groove in a sliding mode, and a clamping groove matched with the groove is formed in the lower end face of the clamping hand.

As a preferable mode, a top plate is arranged at the upper end of the sliding groove on the tension spring coil separating pressure head, a vertical through hole is formed in the top plate, a vertical sliding rod is arranged at the top end of the clamping hand, and a spring is sleeved on the sliding rod between the lower surface of the top plate and the top end of the clamping hand.

As a preferable mode, a through groove is vertically formed in the bottom wall of the sliding groove, a bolt penetrating through the through groove is arranged on the clamping hand, and a nut is connected to one side, back to the clamping hand, of the pressing rod on the bolt in a threaded mode.

Preferably, the holder is detachably mounted to the base.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a mode of pulling into the full earrings with the first round steel wire of extension spring tip, design one kind and make the first round steel wire of extension spring tip take place the radial rotation and be close to 90 degrees anchor clamps through the pressure head, can become full earrings with it under the circumstances of the circularity of the first round steel wire that does not change the extension spring tip for reduce the technical requirement of preparation miniature full earrings extension spring, the problem that the low and production efficiency of qualification rate is low in the full earrings manufacturing process of having solved the problem extension spring.

(2) The utility model provides an extension spring fixture is including locating grip slipper on the base, be equipped with the cross section in one side that lies in the centre gripping hand on the grip slipper and be semicircular recess, the recess perpendicular to depression bar and one end arrive at the lateral wall that extension spring circle separation pressure head set up the centre gripping hand, the height that grip slipper dorsad centre gripping hand one side equals the height of the lower of recess internal surface for during the centre gripping extension spring, directly place the extension spring in the recess, prevent when the lower surface contact extension spring of extension spring circle separation pressure head, the extension spring rolls on the surface of grip slipper, and the height that grip slipper dorsad was one side equals the lower of recess internal surface makes extension spring circle separation pressure head push down the in-process, can pull into the full earrings with the first round steel wire of extension spring tip.

(3) The utility model discloses a set up the spout on the lateral wall of extension spring circle separation pressure head, sliding connection in the spout the centre gripping hand for the lateral wall and the diapire of spout restrict the degree of freedom of centre gripping hand on the horizontal plane, prevent that the centre gripping hand from rocking, influence the centre gripping effect, the lower terminal surface of centre gripping hand be equipped with recess complex centre gripping groove, make the centre gripping extension spring more firm.

(4) The utility model discloses an on the extension spring circle separation pressure head the upper end of spout is equipped with the roof, be equipped with vertical through-hole on the roof, the top of centre gripping hand is equipped with vertical slide bar, the cover is equipped with the spring between the lower surface of roof and centre gripping hand top on the slide bar for further guarantee through the slide bar that the centre gripping hand can only the up-and-down motion, simultaneously, the slide bar is convenient for install the spring, and the setting of spring is in order to supply the not enough condition of centre gripping hand weight, and avoids the centre gripping hand to take place transient up-and-down motion in the spout and produce the momentum to the extension spring and lead to the extension spring to warp.

(5) The utility model discloses a vertical logical groove that sets up on the diapire of spout, the centre gripping is equipped with on hand to pass the bolt that leads to the groove, on the bolt in the depression bar dorsad one side threaded connection nut of centre gripping hand through the degree of freedom of bolt and nut restriction centre gripping hand perpendicular to depression bar direction on the horizontal plane, simultaneously, bolt and nut make centre gripping hand demountable installation on extension spring circle separation pressure head, conveniently dismantle the change, also make the utility model discloses an anchor clamps manufacturing process is simple, low cost.

(6) The utility model discloses an with grip slipper detachably install in on the base, conveniently change the grip slipper, especially with the centre gripping hand cooperation of bolt and nut closure, can be through the mode of changing grip slipper and centre gripping hand, make the utility model discloses can be through adopting the full earring extension spring of the mode preparation multiple specification extension spring of pulling the first round steel wire of extension spring tip into full earring.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a miniature full-earring tension spring;

FIG. 3 is a schematic structural view of a pulling-up lever according to the present invention;

FIG. 4 is an exploded view of the components of the middle compression bar of the present invention;

FIG. 5 is a partial structural view of the right side of FIG. 4;

FIG. 6 is a schematic structural view of the clamping arm of the present invention;

fig. 7 is a schematic diagram of the present invention.

Wherein, 1, a base; 2. a pressure lever; 3. the tension spring coil separates the pressure head; 4. clamping a hand; 5. a clamping seat; 6. a groove; 7. a chute; 8. a clamping groove; 9. a top plate; 10. a through hole; 11. a slide bar; 12. a spring; 13. a through groove; 14. a bolt; 15. a nut; 16. a tension spring; 17. a full earring.

Detailed Description

Example 1:

referring to fig. 1-7, a miniature full earring extension spring anchor clamps, includes base 1, articulated on the base 1 have depression bar 2, an organic whole is equipped with extension spring circle separation pressure head 3 between the both ends of depression bar 2, corresponds on base 1 extension spring circle separation pressure head 3 sets up extension spring fixture, be equipped with on the lateral wall of extension spring circle separation pressure head 3 with extension spring fixture cooperation and vertical gliding centre gripping hand 4, the lower surface of extension spring circle separation pressure head 3 is the inclined plane of upwards inclining 10 degrees in 4 one side dorsad of centre gripping hand, the thickness of extension spring circle separation pressure head 3 is greater than the diameter of the steel wire of extension spring preparation.

In this embodiment, when in use, the press rod 2 is firstly pulled up (as shown in fig. 3), then the wound tension spring 16 is placed on the tension spring clamping mechanism on the base 1, the press rod 2 is slowly put down, so that the lower surface of the tension spring coil separating press head 3 slowly contacts with the first steel wire at the end of the tension spring 16, then the press rod 2 is pressed down with force, because the lower surface of the tension spring coil separating press head 3 is an inclined surface inclined upwards by 10 degrees back to the side of the clamping hand 4, during the process of pressing down the press rod 2, the first steel wire at the end of the tension spring 16 turns to rotate radially (as shown in fig. 7) under the supporting force of the inclined lower surface of the tension spring coil separating press head 3 and the downward pressure of the tension spring coil separating press head 3, thereby forming the shape (i.e. the finished product) of fig. 2, during the process of pressing down the tension spring coil separating press head 3, the clamping hand 4 is arranged on the side wall of the tension spring coil separating press head 3 in a sliding manner, therefore, the gravity of the clamping hand 4 can press the tension spring 16, after the clamping hand 4 contacts the tension spring 16, because the clamping hand 4 is vertically and slidably arranged on the tension spring coil separating pressure head 3, after the clamping hand 4 contacts the tension spring 16, the clamping hand 4 keeps static under the supporting force of the tension spring 16, so that the clamping hand 4 and the tension spring clamping mechanism jointly act to clamp the tension spring 16, and the tension spring cannot continuously move downwards along with the pressure rod 2; in the actual motion, when making centre gripping hand 4, the preparation can be adjusted according to the steel wire of the miniature full earring extension spring of preparation to the gravity of centre gripping hand 4 only grasps extension spring 16 behind the gravity contact extension spring 16 and does not make extension spring 16 warp, the utility model discloses a pull the mode of full earring 17 into with the first round steel wire of extension spring tip, design one kind and make the first round steel wire of extension spring tip take place the radial rotation through the pressure head and be close to 90 degrees anchor clamps, can become full earring 17 with it under the circumstances of the circularity of the first round steel wire of extension spring tip not changed for reduce the technical requirement of the miniature full earring extension spring of preparation, solved the problem that the full earring preparation in-process of problem extension spring 16 the percent of pass is low and production efficiency is low.

Example 2:

Preferably, extension spring fixture is including locating holder 5 on the base 1, be equipped with the cross section on holder 5 in the one side that lies in centre gripping hand 4 and be semicircular recess 6, recess 6 perpendicular to depression bar 2 and one end reach extension spring circle separation pressure head 3 and set up the lateral wall of centre gripping hand 4, the height that holder 5 is back to centre gripping hand 4 one side equals the height of the lowest of recess internal surface for when centre gripping extension spring 16, directly place extension spring 16 in recess 6, prevent that when extension spring circle separation pressure head 3's lower surface contact extension spring 16, extension spring 16 rolls on the surface of holder 5, the height that holder 5 is back to holder 4 one side equals the lowest of recess internal surface, make extension spring circle separation pressure head 3 push down the in-process, can pull into full earrings 17 with the first steel wire of extension spring tip.

Preferably, set up spout 7 on the lateral wall of extension spring circle separation pressure head 3, sliding connection in spout 7 centre gripping hand 4 for the lateral wall and the diapire 1 of spout 7 restrict the degree of freedom of centre gripping hand 4 on the horizontal plane, prevent that centre gripping hand 4 from rocking, influence the centre gripping effect, the lower terminal surface of centre gripping hand 4 be equipped with recess 6 complex centre gripping groove 8 for centre gripping extension spring 16 is more firm.

Preferably, be in on the extension spring circle separation pressure head 3 the upper end of spout 7 is equipped with roof 9, be equipped with vertical through-hole 10 on the roof 9, the top of centre gripping hand 4 is equipped with vertical slide bar 11, the cover is equipped with spring 12 between the lower surface of roof 9 and centre gripping hand 4 top on the slide bar 11 for further guarantee through slide bar 11 that centre gripping hand 4 can only the up-and-down motion, simultaneously, slide bar 11 is convenient for install spring 12, and the setting of spring 12 is for supplementing the condition that centre gripping hand 4 gravity is not enough, and avoids centre gripping hand 4 to take place instantaneous up-and-down motion in spout 7 and produce the momentum to extension spring 16 and lead to extension spring 16 to warp.

Preferably, the groove 13 is led to vertical setting on the diapire of spout 7, be equipped with on the centre gripping hand 4 and pass lead to the bolt 14 of groove 13, on bolt 14 in depression bar 2 dorsad one side threaded connection nut 15 of centre gripping hand 4 through the degree of freedom of bolt 14 and the 2 directions of nut 15 restriction centre gripping hand 4 perpendicular to depression bar on the horizontal plane, simultaneously, bolt 14 and nut 15 make centre gripping hand 4 demountable installation on extension spring circle separation pressure head 3, and convenient the dismantlement is changed, also makes the utility model discloses a manufacturing process of anchor clamps is simple, low cost.

Preferably, with grip slipper 5 detachably install in on the base 1, conveniently change grip slipper 5, especially with the centre gripping hand 4 cooperation of bolt 14 and nut 15 closure, can be through the mode of changing grip slipper 5 and centre gripping hand 4, make the utility model discloses can be through adopting the mode preparation full earring extension spring of multiple specification extension spring with the first round steel wire of extension spring tip.

The other parts of this embodiment are the same as embodiment 1, and are not described herein again.

Claims

1. The utility model provides a miniature full earring extension spring anchor clamps, includes base (1), its characterized in that: articulated have depression bar (2) on base (1), an organic whole is equipped with extension spring circle separation pressure head (3) between the both ends of depression bar (2), corresponds on base (1) extension spring circle separation pressure head (3) set up extension spring fixture, be equipped with on the lateral wall of extension spring circle separation pressure head (3) with extension spring fixture cooperation and vertical gliding centre gripping hand (4), the lower surface of extension spring circle separation pressure head (3) is 10 degrees inclined planes of leaned on one side of centre gripping hand (4) dorsad, the thickness of extension spring circle separation pressure head (3) is greater than the diameter of the steel wire of extension spring preparation.

2. The miniature full-earring tension spring clamp of claim 1, wherein: extension spring fixture is including locating grip slipper (5) on base (1), be equipped with the cross section in one side that lies in centre gripping hand (4) on grip slipper (5) and be semicircular recess (6), recess (6) perpendicular to depression bar (2) and one end reach the lateral wall that extension spring circle separation pressure head (3) set up centre gripping hand (4), the grip slipper highly equals on one side of centre gripping hand (4) dorsad the height of the lowest of recess internal surface.

3. The miniature full-earring tension spring clamp of claim 2, wherein: set up spout (7) on the lateral wall of extension spring circle separation pressure head, sliding connection in spout (7) centre gripping hand (4), the lower terminal surface of centre gripping hand (4) be equipped with recess (6) complex centre gripping groove (8).

4. The miniature full-earring extension spring clamp of claim 3, wherein: the tension spring coil separation pressure head (3) is gone up the upper end of spout (7) is equipped with roof (9), be equipped with vertical through-hole (10) on roof (9), the top of centre gripping hand (4) is equipped with vertical slide bar (11), the cover is equipped with spring (12) on slide bar (11) between the lower surface of roof (9) and centre gripping hand (4) top.

5. The miniature full-earring extension spring clamp of claim 3, wherein: still vertically be equipped with on the diapire of spout (7) and lead to groove (13), be equipped with on centre gripping hand (4) and pass bolt (14) that lead to groove (13), on bolt (14) in depression bar (2) dorsad one side threaded connection nut (15) of centre gripping hand (4).

6. The miniature full-earring tension spring clamp of claim 2, wherein: the clamping seat (5) is detachably arranged on the base (1).