CN205032633U - Double -end rivet cold -heading device that caves in - Google Patents

Double -end rivet cold -heading device that caves in Download PDF

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Publication number
CN205032633U
CN205032633U CN201520721284.3U CN201520721284U CN205032633U CN 205032633 U CN205032633 U CN 205032633U CN 201520721284 U CN201520721284 U CN 201520721284U CN 205032633 U CN205032633 U CN 205032633U
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CN
China
Prior art keywords
main
die
punch die
mould
main mould
Prior art date
Application number
CN201520721284.3U
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Chinese (zh)
Inventor
狄志朋
王坤
林勇德
Original Assignee
宾科汽车紧固件(昆山)有限公司
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Priority to CN201520721284.3U priority Critical patent/CN205032633U/en
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Publication of CN205032633U publication Critical patent/CN205032633U/en

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Abstract

The utility model relates to a double -end rivet cold -heading device that caves in, including blank mechanism, ejection mechanism, transport mechanism and three mould, wherein, blank mechanism cuts off the wire rod, ejection mechanism is with the wire rod jack -up of cutting off, transport mechanism is in remove the pay -off between ejection mechanism and the three mould, three mould includes: a third mould, three mould is arranged in proper order that be used for preforming both ends counter bore first mould, be used for the second mould of shaping both ends counter bore and preforming bellying and be used for the shaping bellying the utility model discloses utilize the cold -heading technique to accomplish all sizes, the counter bore at both ends and the bellying in middle section need not machining processes, and save material keeps the complete of metal streamline, and have increased the intensity of part to production efficiency has been improved.

Description

Double end depression rivet cold-heading device
Technical field
The utility model relates to technical field of mold, particularly a kind of double end depression rivet cold-heading device.
Background technology
In the installation safety of electric tool, need a kind of double end depression rivet 10 as shown in Figure 1, comprise bar portion 11, stage casing, described bar portion 11 is lug boss 12, and the two ends in described bar portion 11 are respectively equipped with counterbore 13, at present, the processing mode of this double end depression rivet 10 is: adopt the counterbore 13 at CNC (Digit Control Machine Tool) machined two ends and the lug boss 12 in stage casing, in this mode, machining process can cause raw-material waste, adds the cost of raw material; And production efficiency is low, the production cycle is long.
Utility model content
The utility model provides a kind of double end depression rivet cold-heading device, to solve the problems of the technologies described above.
For solving the problems of the technologies described above, the utility model provides a kind of double end depression rivet cold-heading device, comprises material cutting mechanism, ejecting mechanism, connecting gear and three moulds, wherein,
Wire rod cuts off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and three moulds;
Described three moulds comprise: for the first mould of preformed two ends counterbore, for shaping two ends counterbore and the second mould of preformed lug boss and the 3rd mould for Molded protrusions, three moulds are arranged in order.
Preferably, described first mould comprises the first main mould and the first punch die, described first main mould comprises the first main formwork, first main die, first main die-cushion block, first main mould thimble, first tailstock barrel and the first main mould push rod, described first main die is located in described first main formwork, the first master cast chamber is provided with in described first main die, one end of described first main mould thimble is fixed on described first main die-cushion block, the other end stretches in described first master cast chamber through described first tailstock barrel, described first tailstock barrel is fixed in one end of described first main mould push rod, the other end stretches out described first main die-cushion block, and moved up and down by driving mechanism driving, described first punch die comprises the first punch die shell, the first punch die thimble and the first punch die push rod, described first punch die push rod is located in described first punch die shell, one end of described first punch die thimble is fixedly connected with described first punch die push rod, and it is corresponding with described first master cast chamber that the other end passes described first punch die shell.
Preferably, described second mould comprises the second main mould and the second punch die, described second main mould comprises the second main formwork, second main die, second main die-cushion block, second main mould thimble, second tailstock barrel, second main mould push rod, second main mould jacking block and the second main mould spring, described second main die is located in described second main formwork, the second master cast chamber is provided with in described second main die, one end of described second main mould thimble by the second main mould spring and described second main die-cushion block affixed, the other end stretches in described second master cast chamber, described second tailstock barrel is fixed in one end of described second main mould push rod, the other end and described second main mould jacking block affixed, described second main mould jacking block stretches out described second main die-cushion block, and moved up and down by driving mechanism driving, described second punch die comprises the second punch die shell, the second punch die thimble, the second punch die jacking block and the second die springs, one end of described second punch die jacking block is limited in described second punch die shell by described second die springs, the other end of described second punch die jacking block is fixedly connected with one end of described second punch die jacking block, and it is corresponding with described second master cast chamber that the other end of described second punch die jacking block passes described second punch die shell.
Preferably, described 3rd mould comprises the 3rd main mould and the 3rd punch die, described 3rd main mould comprises the 3rd main formwork, 3rd main die, 3rd main die-cushion block, 3rd main mould thimble, 3rd tailstock barrel, 3rd main mould push rod, 3rd main mould jacking block and the 3rd main mould spring, described 3rd main die is located in described 3rd main formwork, the 3rd master cast chamber is provided with in described 3rd main die, one end of described 3rd main mould thimble by the 3rd main mould spring and described 3rd main die-cushion block affixed, the other end stretches in described 3rd master cast chamber, described 3rd tailstock barrel is fixed in one end of described 3rd main mould push rod, the other end and described 3rd main mould jacking block affixed, described 3rd main mould jacking block stretches out described 3rd main die-cushion block, and moved up and down by driving mechanism driving, described 3rd punch die comprises the 3rd punch die shell, 3rd punch die thimble, 3rd punch die cushion block, 3rd die springs, 3rd punch die push rod, 3rd punch die jacking block, 3rd punch die cover, described 3rd punch die jacking block is limited in described 3rd punch die shell by the 3rd die springs, one end of described 3rd punch die push rod through described 3rd punch die cushion block and described 3rd punch die jacking block affixed, the other end and described 3rd punch die overlap affixed, one end and the described 3rd punch die cushion block of described 3rd punch die thimble are affixed, it is corresponding with described 3rd master cast chamber that the other end passes described 3rd punch die cover.
Preferably, described material cutting mechanism adopts scissors.
Preferably, described connecting gear adopts clip.
Preferably, described three moulds are all installed on cold headers.
Compared with prior art, the utility model has the following advantages: the utility model utilizes cold-heading technology to complete all sizes, the counterbore at two ends and the lug boss in stage casing are without the need to machining processes, save material, keep the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of double end depression rivet;
Fig. 2 is the structural representation of the double end depression rivet cold-heading device of the utility model one detailed description of the invention;
Fig. 3 is the structural representation of the first mould of the utility model one detailed description of the invention;
Fig. 4 is the structural representation of the second mould of the utility model one detailed description of the invention;
Fig. 5 is the structural representation of the 3rd mould of the utility model one detailed description of the invention.
In figure: 10-double end depression rivet, 11-bar portion, 12-lug boss, 13-counterbore;
100-first mould, the main mould of 110-first, the main formwork of 111-first, the main die of 112-first, 113-first main die-cushion block, 114-first main mould thimble, 115-first tailstock barrel, the main mould push rod of 116-first, 117-first master cast chamber, 120-first punch die, 121-first punch die shell, 122-first punch die thimble, 123-first punch die push rod;
200-second mould, the main mould of 210-second, the main formwork of 211-second, the main die of 212-second, 213-second main die-cushion block, 214-second main mould thimble, 215-second tailstock barrel, 216-second main mould push rod, 217-second main mould jacking block, the main mould spring of 218-second, 220-second punch die, 221-second punch die shell, 222-second punch die thimble, 223-second punch die jacking block, 224-second die springs;
300-the 3rd mould, the main mould of 310-the 3rd, the main formwork of 311-the 3rd, the main die of 312-the 3rd, the main die-cushion block of 313-the 3rd, the main mould thimble of 314-the 3rd, 315-the 3rd tailstock barrel, the main mould push rod of 316-the 3rd, the main mould jacking block of 317-the 3rd, the main mould spring of 318-the 3rd, 320-the 3rd punch die, 321-the 3rd punch die shell, 322-the 3rd punch die thimble, 323-the 3rd punch die cushion block, 324-the 3rd die springs, 325-the 3rd punch die push rod, 326-the 3rd punch die jacking block, 327-the 3rd punch die cover.
Detailed description of the invention
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.It should be noted that, the utility model accompanying drawing all adopts the form of simplification and all uses non-ratio accurately, only in order to object that is convenient, aid illustration the utility model embodiment lucidly.
The double end depression rivet cold-heading device that the utility model provides, as shown in Figure 2, and composition graphs 1, comprise material cutting mechanism (not shown), ejecting mechanism (not shown), connecting gear (not shown) and three moulds, wherein,
Wire rod cuts off by described material cutting mechanism, and in the present embodiment, described material cutting mechanism adopts scissors, the wire rod jack-up that described ejecting mechanism will cut off.
Described connecting gear is moving feeding between described ejecting mechanism and three moulds, and in the present embodiment, described connecting gear adopts clip;
Described three moulds comprise: for the first mould 100 of preformed two ends counterbore 13, for shaping two ends counterbore 13 also the second mould 200 of preformed lug boss 12 and the 3rd mould 300 for Molded protrusions 12, three moulds are arranged in order, and three moulds are all installed on cold headers.
In the utility model, all sizes of described double end depression rivet 10 complete by cold-heading technology, without the need to machining processes, save material, keep the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Preferably, please emphasis with reference to figure 3, described first mould 100 comprises the first main mould 110 and the first punch die 120, described first main mould 110 comprises the first main formwork 111, first main die 112, first main die-cushion block 113, first main mould thimble 114, first tailstock barrel 115 and the first main mould push rod 116, described first main die 112 is located in described first main formwork 111, the first master cast chamber 117 is provided with in described first main die 112, one end of described first main mould thimble 114 is fixed on described first main die-cushion block 113, the other end stretches in described first master cast chamber 117 through described first tailstock barrel 115, described first tailstock barrel 115 is fixed in one end of described first main mould push rod 116, the other end stretches out described first main die-cushion block 113, and moved up and down by driving mechanism (not shown) driving, described first punch die 120 comprises the first punch die shell 121, first punch die thimble 122 and the first punch die push rod 123, described first punch die push rod 123 is located in described first punch die shell 121, one end of described first punch die thimble 122 is fixedly connected with described first punch die push rod 123, and it is corresponding with described first master cast chamber 117 that the other end passes described first punch die shell 121.
Particularly, in cold-heading process, product is transferred to corresponding position above the first master cast chamber 117 by connecting gear, first punch die thimble 122 promotes in product introduction first master cast chamber 117, principle according to material plasticity distortion reaches dimensional requirement in the first master cast chamber 117, after shaping, is released by product by the first main mould thimble 114, enter in the second mould 200, cold-heading action by that analogy.
Preferably, please emphasis with reference to figure 4, described second mould 200 comprises the second main mould 210 and the second punch die 220, described second main mould 210 comprises the second main formwork 211, second main die 212, second main die-cushion block 213, second main mould thimble 214, second tailstock barrel 215, second main mould push rod 216, second main mould jacking block 217 and the second main mould spring 218, described second main die 212 is located in described second main formwork 211, the second master cast chamber is provided with in described second main die 212, one end of described second main mould thimble 214 is affixed with described second main die-cushion block 213 by the second main mould spring 218, the other end stretches in described second master cast chamber, described second tailstock barrel 215 is fixed in one end of described second main mould push rod 216, the other end and described second main mould jacking block 217 affixed, described second main mould jacking block 217 stretches out described second main die-cushion block 213, and moved up and down by driving mechanism (not shown) driving, described second punch die 220 comprises the second punch die shell 221, second punch die thimble 222, second punch die jacking block 223 and the second die springs 224, one end of described second punch die jacking block 223 is limited in described second punch die shell 221 by described second die springs 224, the other end of described second punch die jacking block 223 is fixedly connected with one end of described second punch die thimble 222, and it is corresponding with described second master cast chamber that the other end of described second punch die thimble 222 passes described second punch die shell 221.Words sentence is talked about, and only need arrange the boss corresponding with described counterbore 13 on the second main mould thimble 214 and the second punch die thimble 222, the counterbore 13 namely in plastic double end depression rivet 10.
Preferably, please emphasis with reference to figure 5, described 3rd mould 300 comprises the 3rd main mould 310 and the 3rd punch die 320, described 3rd main mould 310 comprises the 3rd main formwork 311, 3rd main die 312, 3rd main die-cushion block 313, 3rd main mould thimble 314, 3rd tailstock barrel 315, 3rd main mould push rod 316, 3rd main mould jacking block 317 and the 3rd main mould spring 318, described 3rd main die 312 is located in described 3rd main formwork 311, the 3rd master cast chamber is provided with in described 3rd main die 312, one end of described 3rd main mould thimble 314 is affixed with described 3rd main die-cushion block 317 by the 3rd main mould spring 318, the other end stretches in described 3rd master cast chamber, one end of described 3rd main mould push rod 316 is fixed in described 3rd tailstock barrel 315, the other end and described 3rd main mould jacking block 317 affixed, described 3rd main mould jacking block 317 stretches out described 3rd main die-cushion block 313, and moved up and down by driving mechanism (not shown) driving, described 3rd punch die 320 comprises the 3rd punch die shell 321, 3rd punch die thimble 322, 3rd punch die cushion block 323, 3rd die springs 324, 3rd punch die push rod 325, 3rd punch die jacking block 326, 3rd punch die cover 327, described 3rd punch die jacking block 326 is limited in described 3rd punch die shell 321 by the 3rd die springs 324, one end of described 3rd punch die push rod 325 is affixed with described 3rd punch die jacking block 326 through described 3rd punch die cushion block 323, the other end and described 3rd punch die overlap 327 affixed, one end and the described 3rd punch die cushion block 323 of described 3rd punch die thimble 322 are affixed, it is corresponding with described 3rd master cast chamber that the other end passes described 3rd punch die cover 327.That is, in the 3rd mould 300, the 3rd punch die jacking block 326, the 3rd punch die push rod 325 and the 3rd punch die cover 327 is synchronized with the movement; 3rd punch die cushion block 323 and the 3rd punch die thimble 322 are synchronized with the movement.
The course of work of the double end depression rivet cold-heading device that the utility model provides is as follows:
S1: shear wire rod and feeding;
The first punch die thimble 122 in S2: the first mould 100 is enclosed in the first master cast chamber 117 and is squeezed by anti-, and intense beam bar portion 11 also pre-upsetting goes out the counterbore 13 at two ends;
The second punch die 220 and second main mould 210 relative motion in cold headers in S3: the second mould 200, shaping two ends counterbore 13 and in die cavity pre-upsetting lug boss 12;
The 3rd punch die 320 in S4: the three mould 300 and the 3rd main mould 310 protect two ends counterbore 13, and extruding is simultaneously carried angle and completed the shaping of lug boss 12.
Adopt above-mentioned technique, the speed of production of double end depression rivet 10 can reach 170 per minute, compared with 3 per minute of the prior art, improves 56 times, substantially increases production efficiency; In the application, producing raw material needed for each double end depression rivet 10 is 0.79g, and compared with 0.89g of the prior art, raw material save 11.2%; Certainly, after above-mentioned steps completes, also need to carry out surface treatment, as plating, to improve the antiseptic property of part to double end depression rivet 10.
In the utility model, utilize cold-heading technology to complete all sizes, counterbore 13 and lug boss 12, without the need to machining processes, save material, keep the complete of metal streamline, and add the intensity of part, and improve production efficiency.
Obviously, those skilled in the art can carry out various change and modification to utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.

Claims (7)

1. a double end depression rivet cold-heading device, is characterized in that, comprise material cutting mechanism, ejecting mechanism, connecting gear and three moulds, wherein,
Wire rod cuts off by described material cutting mechanism, the wire rod jack-up that described ejecting mechanism will cut off;
Described connecting gear is moving feeding between described ejecting mechanism and three moulds;
Described three moulds comprise: for the first mould of preformed two ends counterbore, for shaping two ends counterbore and the second mould of preformed lug boss and the 3rd mould for Molded protrusions, three moulds are arranged in order.
2. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described first mould comprises the first main mould and the first punch die, described first main mould comprises the first main formwork, first main die, first main die-cushion block, first main mould thimble, first tailstock barrel and the first main mould push rod, described first main die is located in described first main formwork, the first master cast chamber is provided with in described first main die, one end of described first main mould thimble is fixed on described first main die-cushion block, the other end stretches in described first master cast chamber through described first tailstock barrel, described first tailstock barrel is fixed in one end of described first main mould push rod, the other end stretches out described first main die-cushion block, and moved up and down by driving mechanism driving, described first punch die comprises the first punch die shell, the first punch die thimble and the first punch die push rod, described first punch die push rod is located in described first punch die shell, one end of described first punch die thimble is fixedly connected with described first punch die push rod, and it is corresponding with described first master cast chamber that the other end passes described first punch die shell.
3. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described second mould comprises the second main mould and the second punch die, described second main mould comprises the second main formwork, second main die, second main die-cushion block, second main mould thimble, second tailstock barrel, second main mould push rod, second main mould jacking block and the second main mould spring, described second main die is located in described second main formwork, the second master cast chamber is provided with in described second main die, one end of described second main mould thimble by the second main mould spring and described second main die-cushion block affixed, the other end stretches in described second master cast chamber, described second tailstock barrel is fixed in one end of described second main mould push rod, the other end and described second main mould jacking block affixed, described second main mould jacking block stretches out described second main die-cushion block, and moved up and down by driving mechanism driving, described second punch die comprises the second punch die shell, the second punch die thimble, the second punch die jacking block and the second die springs, one end of described second punch die jacking block is limited in described second punch die shell by described second die springs, the other end of described second punch die jacking block is fixedly connected with one end of described second punch die thimble, and it is corresponding with described second master cast chamber that the other end of described second punch die thimble passes described second punch die shell.
4. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described 3rd mould comprises the 3rd main mould and the 3rd punch die, described 3rd main mould comprises the 3rd main formwork, 3rd main die, 3rd main die-cushion block, 3rd main mould thimble, 3rd tailstock barrel, 3rd main mould push rod, 3rd main mould jacking block and the 3rd main mould spring, described 3rd main die is located in described 3rd main formwork, the 3rd master cast chamber is provided with in described 3rd main die, one end of described 3rd main mould thimble by the 3rd main mould spring and described 3rd main die-cushion block affixed, the other end stretches in described 3rd master cast chamber, one end of described 3rd main mould push rod is fixed in described 3rd tailstock barrel, the other end and described 3rd main mould jacking block affixed, described 3rd main mould jacking block stretches out described 3rd main die-cushion block, and moved up and down by driving mechanism driving, described 3rd punch die comprises the 3rd punch die shell, 3rd punch die thimble, 3rd punch die cushion block, 3rd die springs, 3rd punch die push rod, 3rd punch die jacking block, 3rd punch die cover, described 3rd punch die jacking block is limited in described 3rd punch die shell by the 3rd die springs, one end of described 3rd punch die push rod through described 3rd punch die cushion block and described 3rd punch die jacking block affixed, the other end and described 3rd punch die overlap affixed, one end and the described 3rd punch die cushion block of described 3rd punch die thimble are affixed, it is corresponding with described 3rd master cast chamber that the other end passes described 3rd punch die cover.
5. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described material cutting mechanism adopts scissors.
6. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described connecting gear adopts clip.
7. double end depression rivet cold-heading device as claimed in claim 1, it is characterized in that, described three moulds are all installed on cold headers.
CN201520721284.3U 2015-09-17 2015-09-17 Double -end rivet cold -heading device that caves in CN205032633U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694792A (en) * 2016-12-28 2017-05-24 宾科汽车紧固件(昆山)有限公司 Cold heading device and process for specially-shaped torsion rod
CN108971412A (en) * 2018-07-16 2018-12-11 靖江市恒丰铆钉制造有限公司 A kind of rivet cold heading technique
CN111266812A (en) * 2020-03-19 2020-06-12 苏州沅德精密技术有限公司 Notebook computer rotating shaft machining device and machining method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106694792A (en) * 2016-12-28 2017-05-24 宾科汽车紧固件(昆山)有限公司 Cold heading device and process for specially-shaped torsion rod
CN108971412A (en) * 2018-07-16 2018-12-11 靖江市恒丰铆钉制造有限公司 A kind of rivet cold heading technique
CN111266812A (en) * 2020-03-19 2020-06-12 苏州沅德精密技术有限公司 Notebook computer rotating shaft machining device and machining method

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