CN114247834A

CN114247834A - Equipment for manufacturing collar

Info

Publication number: CN114247834A
Application number: CN202111508262.5A
Authority: CN
Inventors: 金达; 叶景春
Original assignee: ZHEJIANG OMNIPOTENT SPRING MACHINE CO Ltd
Current assignee: ZHEJIANG OMNIPOTENT SPRING MACHINE CO Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-29

Abstract

The invention discloses equipment for manufacturing a clamping ring, which sequentially comprises a heating mechanism, a feeding mechanism, a forming mechanism and a shaping mechanism along the wire conveying direction; the heating mechanism is used for heating the initially input collar wire; the forming mechanism is used for winding the wire rod into a ring and cutting the ring to form a single-ring retainer ring; the shaping mechanism is used for adjusting the size and the flatness of the clamping ring; the equipment has the characteristic of quickly manufacturing the collar with uniform and qualified size.

Description

Equipment for manufacturing collar

Technical Field

The invention relates to the field of processing or treating wires, in particular to equipment for manufacturing a clamping ring.

Background

The clamping ring is an annular part, the clamping ring manufactured by the existing equipment is adopted, and because the wire winding process is adopted, the flatness of the clamping ring is not controlled in the manufacturing process, meanwhile, when the wire wound into a ring is cut off, the notch is uneven, and meanwhile, the clamping ring is partially deformed under the cutting and pressing of a cutter, the surface of the manufactured clamping ring is uneven, the size of the clamping ring has error, and the attractiveness and use are affected; and the brittle wire is easily broken during the manufacturing process.

In view of the above problems, the present invention provides an apparatus for manufacturing a retainer ring, and the apparatus is produced thereby.

Disclosure of Invention

The invention provides equipment for manufacturing a retainer ring, which has the characteristic of quickly manufacturing the retainer ring with uniform size and qualification; specifically, the invention is realized by the following technical scheme:

the equipment for manufacturing the clamping ring sequentially comprises a heating mechanism, a feeding mechanism, a forming mechanism and a shaping mechanism along the wire conveying direction; the heating mechanism is used for heating the initially input collar wire; the forming mechanism winds the wire rod into a ring and cuts the ring to form a single-ring retainer ring; the shaping mechanism is used for adjusting the size and the flatness of the clamping ring.

Heating the initially input wire rod to facilitate subsequent curling and forming; simultaneously through setting up plastic mechanism, plastic mechanism is used for handling single circle rand surface, guarantees the plane degree of rand, guarantees simultaneously that the size of the rand of producing is unified.

Further, heating mechanism includes two sets of heating rods, and the heating rod is installed on the heating rod seat, is provided with the insulating layer between heating rod and the heating rod seat, and the wire rod is carried by the centre gripping between both heating rods.

And starting the preheating and heating mechanism, inputting the wire material after the heating mechanism reaches a preset temperature, heating the input wire material by the heating mechanism, and preventing the heated wire material from being broken in the subsequent curling and cutting processes even if the heated wire material is a brittle material.

The material mechanism comprises a plurality of wire feeding wheel groups arranged along the conveying direction, and each wire feeding wheel group consists of two wire feeding wheels; and a heating component is arranged between the two adjacent wire feeding wheel sets.

The wire feeding wheel set plays a role in conveying and simultaneously plays a role in straightening; simultaneously the wire rod temperature that has heated in transportation process can reduce, can lead to follow-up curling and plastic processing to have the difficulty after the wire rod temperature reduces, consequently is provided with heating element on sending the transfer chain of line wheelset, plays the heat preservation effect to the wire rod of carrying.

Further, the forming mechanism comprises a diameter changing device, a cutting device and a mandrel; the reducing devices and the cutting devices are arranged in a circular shape around the axis of the mandrel.

The forming mechanism curls and shapes the linear strip wire to form a single-ring clamping ring.

Further, the shaping mechanism comprises an ejector pin, a material receiving sleeve, a spring through sleeve and a heating sleeve, the material receiving sleeve is connected with the spring through sleeve, a through channel in the material receiving sleeve is communicated with a through channel in the spring through sleeve, and the ejector pin is positioned above the material receiving sleeve; the thimble can carry out vertical linear motion, and the heating jacket cover is established in the spring and is led to the cover outside.

The formed single-ring clamping ring falls into a material receiving sleeve of the shaping mechanism, the thimble extrudes the clamping ring along a channel of the spring through sleeve, and meanwhile, the heating sleeve heats the inside of the spring through sleeve and heats the extruded falling single-ring clamping ring.

Furthermore, the inner channel of the material receiving sleeve is in a horn shape, and the inclination of the horn-shaped channel of the material receiving sleeve is 45-70 degrees.

The single-ring clamping ring output from the forming mechanism falls into the material receiving sleeve, the single-ring clamping ring slides downwards along the inner wall of the trumpet shape, and when the single-ring clamping ring falls to the bottom, the clamping ring is just laid on the bottom, so that the single-ring clamping ring can be conveniently extruded and molded by the top.

The end part of the lower end of the thimble is in a conical shape.

The lower end of the thimble is conical and is convenient to be matched with the clamping ring, and the tip of the cone is matched with the central position of the clamping ring to ensure that the thimble and the clamping ring are concentric; meanwhile, the tip end of the thimble is contacted with the inner ring of the clamping ring, the outer ring of the clamping ring is contacted with the inner wall of the spring through sleeve, the thimble is equivalent to an inner die, the spring through sleeve is equivalent to an outer die, the clamping ring is clamped between the inner die and the outer die, when the clamping ring is heated and softened, the thimble pushes and presses downwards to give a radial outward force to the clamping ring, the inner wall of the spring through sleeve also gives a radial inward force to the clamping ring, and the clamping ring with an oversize size or an undersize size is shaped, so that the size of the clamping ring reaches qualified parameters under the molding of the inner die and the outer die, and meanwhile, the shape of the clamping ring reaches a perfect circular ring shape under the molding of the inner die and the outer die; and in the heating and extruding processes of the clamping ring, the surface of the thimble presses the surface of the clamping ring, and the surface flatness of the machined clamping ring reaches the qualified standard.

Drawings

Fig. 1 is a schematic view of an embodiment of an apparatus for manufacturing a collar provided by the present invention;

FIG. 2 is a cross-sectional view of an embodiment of an apparatus for making a collar provided by the present invention;

fig. 3 is a schematic view of an embodiment of a heating mechanism provided in the present invention.

Wherein: 1. a heating mechanism; 2. a feeding mechanism; 3. a forming mechanism; 4. a shaping mechanism; 5. a heating rod; 6. a heating rod seat; 7. a thermal insulation layer; 8. a wire feeding wheel set; 9. a heating assembly; 10. a diameter changing device; 11. a cutting device; 12. a mandrel; 13. a thimble; 14. a material receiving sleeve; 15. a spring is sleeved; 16. heating a jacket; 17. a receiving hopper.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

As shown in fig. 1 and 2, in an apparatus for manufacturing a collar, a heating mechanism 1, a feeding mechanism 2, a forming mechanism 3 and a shaping mechanism 4 are sequentially arranged along a wire conveying direction, and a collar wire sequentially passes through the heating mechanism 1, the feeding mechanism 2, the forming mechanism 3 and the shaping mechanism 4; the heating mechanism 1 is used for heating the initially input collar wire and then sending the collar wire into the forming mechanism 3 through the feeding mechanism 2; the forming mechanism 3 winds the wire rod into a ring and cuts the wire rod to form a single-ring retainer ring; the truing mechanism 4 is used to adjust the size and flatness of the collar.

As shown in fig. 3, the heating mechanism 1 includes two sets of heating rods 5, the heating rods 5 are mounted on a heating rod holder 6, and the wire material is sandwiched between the heating rods 5 and is conveyed. A heat insulation layer 7 is arranged between the heating rod 5 and the heating rod seat 6.

As shown in fig. 2, the feeding mechanism 2 includes a plurality of sets of wire feeding wheel sets 8 arranged along the conveying direction, and each set of wire feeding wheel set 8 is composed of two wire feeding wheels. And a heating assembly 9 is arranged between two adjacent wire feeding wheel sets 8 and used for heating the wires entering the feeding mechanism 2.

The forming mechanism 3 comprises a diameter changing device 10, a cutting device 11 and a mandrel 12. The reducing means 10 and the cutting means 11 are arranged in a circular array around the axis of the mandrel 12. There are two sets of diameter changing devices 10. The wire rod is conveyed along the axial direction of the mandrel 12, the diameter changing device 10 winds the linear strip wire rod around the mandrel 12 into a circle, the linear strip wire rod is cut off by the cutting device 11 after being wound for one circle, a single circle of clamping ring is formed after the cutting, and the clamping ring falls into the shaping mechanism 4 along the material receiving hopper 17.

The shaping mechanism 4 comprises an ejector pin 13, a material receiving sleeve 15, a spring through sleeve 15 and a heating sleeve 16, the material receiving sleeve 15 is connected with the spring through sleeve 15, a through channel is arranged in the material receiving sleeve 15, a through channel is arranged in the spring through sleeve 15, the channel in the material receiving sleeve 15 is communicated with the channel in the spring through sleeve 15, the ejector pin 13 is positioned above the material receiving sleeve 15, the ejector pin 13 can perform vertical linear motion, and the heating sleeve 16 is sleeved outside the spring through sleeve 15; the internal channel of the material receiving sleeve 15 is in a horn shape, the material receiving hopper 17 is connected with the material receiving sleeve 15, a collar cut off and dropped from the forming mechanism 3 falls into the material receiving sleeve 15 of the shaping mechanism 4 along the material receiving hopper 17, the inclination of the horn-shaped channel of the material receiving sleeve 15 is 45-70 degrees, and the inclination is an included angle A between the tangent plane of the inner wall of the channel and the horizontal plane; the thimble 13 moves vertically downwards to move the clamping ring downwards along the inner channel of the spring sleeve 15, meanwhile, the heating sleeve 16 heats the clamping ring falling in the spring sleeve 15, and finally, the clamping ring falls out from the other end of the channel of the spring sleeve 15 to form a closed clamping ring.

The lower end of the thimble 13 is conical so as to be convenient to be matched with the clamping ring, and the tip of the cone is matched with the central position of the clamping ring so as to ensure that the thimble 13 is concentric with the clamping ring; meanwhile, the tip end of the thimble 13 is contacted with the inner ring of the clamping ring, the outer ring of the clamping ring is contacted with the inner wall of the spring through sleeve 15, the thimble 13 is equivalent to an inner die, the spring through sleeve 15 is equivalent to an outer die, the clamping ring is clamped between the inner die and the outer die, when the clamping ring is heated and softened, the thimble 13 pushes and presses downwards to give a radial outward force to the clamping ring, the inner wall of the spring through sleeve 15 also gives a radial inward force to the clamping ring, and the clamping ring with overlarge size or undersize is shaped, so that the size of the clamping ring reaches qualified parameters under the molding of the inner die and the outer die, and meanwhile, the shape of the clamping ring reaches a perfect circular ring shape under the molding of the inner die and the outer die; in the heating and extruding processes of the retainer ring, the surface of the thimble 13 presses the surface of the retainer ring, and the surface flatness of the machined retainer ring reaches the qualified standard.

The heating mechanism 1, the heating assembly 9 and the heating jacket 16 are all provided with a heat sensor in a connecting way for monitoring the temperature in real time.

The above is the preferred embodiment of the present invention, and several other simple substitutions and modifications made on the premise of the inventive concept should be considered as falling into the protection scope of the present invention.

Claims

1. An apparatus for making a collar, comprising: along the wire rod conveying direction, the equipment for manufacturing the retainer ring sequentially comprises a heating mechanism, a feeding mechanism, a forming mechanism and a shaping mechanism; the heating mechanism is used for heating the initially input collar wire; the forming mechanism is used for winding the wire rod into a ring and cutting the ring to form a single-ring retainer ring; the shaping mechanism is used for adjusting the size and the flatness of the clamping ring.

2. A collar making apparatus as claimed in claim 1, wherein: the heating mechanism comprises two groups of heating rods, the heating rods are arranged on a heating rod seat, a heat insulation layer is arranged between the heating rods and the heating rod seat, and the wire rods are clamped between the heating rods and are conveyed.

3. A collar making apparatus as claimed in claim 1, wherein: the feeding mechanism comprises a plurality of wire feeding wheel groups arranged along the conveying direction, and each wire feeding wheel group consists of two wire feeding wheels; and a heating component is arranged between the two adjacent wire feeding wheel sets.

4. A collar making apparatus as claimed in claim 1, wherein: the forming mechanism comprises a diameter changing device, a cutting device and a mandrel; the reducing devices and the cutting devices are arranged in a circular shape around the axis of the mandrel.

5. A collar making apparatus as claimed in claim 1, wherein: the shaping mechanism comprises an ejector pin, a material receiving sleeve, a spring through sleeve and a heating sleeve, the material receiving sleeve is connected with the spring through sleeve, a through channel in the material receiving sleeve is communicated with a through channel in the spring through sleeve, and the ejector pin is positioned above the material receiving sleeve; the thimble moves vertically and linearly and is used for extruding the clamping ring; the heating sleeve is sleeved outside the spring through sleeve.

6. An apparatus for making a collar as claimed in claim 5, wherein: the inner channel of the material receiving sleeve is in a horn shape, and the inclination of the horn-shaped channel of the material receiving sleeve is 45-70 degrees.

7. An apparatus for making a collar as claimed in claim 5, wherein: the end part of the lower end of the thimble is in a conical shape.