CN202079215U - Shoulder forming die for screw rod of expansion screw - Google Patents
Shoulder forming die for screw rod of expansion screw Download PDFInfo
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- CN202079215U CN202079215U CN201120178126XU CN201120178126U CN202079215U CN 202079215 U CN202079215 U CN 202079215U CN 201120178126X U CN201120178126X U CN 201120178126XU CN 201120178126 U CN201120178126 U CN 201120178126U CN 202079215 U CN202079215 U CN 202079215U
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Abstract
The utility model relates to the technical field of screwing forming devices, particularly to a shoulder forming die for the screw rod of an expansion screw. The stop shoulder forming die sequentially comprises a first station forming die and a second station forming die; and by combining the technical scheme of the utility model, bar-shaped blank is formed into a shoulder for the screw rod of an expansion screw after being processed through cold heading sequentially by the first station forming die and the second station forming die, wherein the bar-shaped blank is preformed through a first punch and a shoulder preforming cavity when the first station forming die is closed, and after the first station forming die finishes processing, the preformed blank is formed into shoulder finally through a first station male die when the second station forming die is closed. In the utility model, through the first station forming die and the second station forming die, a shoulder can be integrally formed on the screw rod of an expansion screw, and the expansion screw formed through the shoulder forming die has the advantages of convenience in assembly, and low cost.
Description
Technical field
The utility model relates to screw shaped device technical field, relates in particular to a kind of shoulder block mould of pull explosive screw screw rod.
Background technology
Pull explosive screw is mainly used in object is fastenedly connected on fixture, and it has been widely used in occasions such as modern architecture curtain wall, building finishing, dynamo-electric installation.Pull explosive screw has characteristics such as load is big, purposes is wide, easy for installation, can be effectively thumb screw alternatively, the cancellation built-in fitting improves installation effectiveness and the degree of accuracy is installed, and uses more and more widely in fields such as subway installation, construction and installation, power supply installation, highway installations.
Pull explosive screw of the prior art (for example crotch pull explosive screw, sheep eye pull explosive screw etc.) has generally comprised screw rod, pipe crimping and hold-down nut, screw rod includes hanging portion and straight fixed part, pipe crimping is set in the fixed part of screw rod, be provided with the shoulder block device between hanging portion and the pipe crimping, this shoulder block device includes shoulder block nut and shoulder block packing ring, and the shoulder block nut is fixed in the junction of hanging portion and fixed part; In above-mentioned pull explosive screw use, shoulder block nut and shoulder block packing ring must be installed successively; So, the shortcoming that existing pull explosive screw ubiquity assembling is inconvenient, cost is high.
Therefore, for avoiding the existing in prior technology defective, be necessary to provide a kind of device that the shoulder block structure can be integrally formed in screw rod.
Summary of the invention
The utility model purpose is to provide at the deficiencies in the prior art a kind of shoulder block mould of pull explosive screw screw rod, the shoulder block mould of this pull explosive screw screw rod can be shaped in shoulder block the screw rod of pull explosive screw, and the pull explosive screw after the shoulder block mould moulding of this pull explosive screw screw rod is easy to assembly and cost is low.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of shoulder block mould of pull explosive screw screw rod, it includes the first station mould and the second station mould successively;
The first station mould includes the first station male model and the first station master mold that cooperatively interacts, the top of the first station master mold offers the first master mold die cavity, the lower end side of the first station master mold is equipped with in intercalation to the first master mold die cavity and can be along the first master mold die cavity, first push rod in axial sliding, the bottom of the first station male model offers the first male model die cavity over against the first master mold die cavity, the upper end side of the first male model die cavity is equipped with in intercalation to the first male model die cavity and can be along the first male model die cavity, first drift in axial sliding, and the opening part of the bottom of the first male model die cavity forms shoulder block preformation die cavity;
The second station mould includes the second station male model and the second station master mold that cooperatively interacts, the top of the second station master mold offers the second master mold die cavity, the lower end side of the second station master mold is equipped with in intercalation to the second master mold die cavity and can be along the second master mold die cavity, second push rod in axial sliding, the bottom of the second station male model offers the second male model die cavity over against the second master mold die cavity, and the upper end side of the second male model die cavity is equipped with in intercalation to the second male model die cavity and can be along the second male model die cavity, second drift in axial sliding.
Wherein, the bottom of the described first station male model is fitted with first male model and inserts, the top of the described first station master mold is fitted with first master mold and inserts, the described first male model cavity forming is in the inside that first male model is inserted, the described first master mold cavity forming is in the inside that first master mold is inserted, the first station male model and the first station master mold offer first installing hole of inserting respectively, and first male model is inserted and first master mold is inserted is nested in corresponding first respectively and inserts in the installing hole.
Wherein, the bottom of the described second station male model is fitted with second male model and inserts, the top of the described second station master mold is fitted with second master mold and inserts, the second station male model and the second station master mold offer second installing hole of inserting respectively, and second male model is inserted and second master mold is inserted is nested in corresponding second respectively and inserts in the installing hole.
Wherein, described shoulder block preformation die cavity is frustum, and the upper end diameter of shoulder block preformation die cavity is little than lower end diameter.
Wherein, the upper end side of described first drift and described second drift is equipped with lining bar respectively, lining bar is resisted against the upper surface of corresponding first drift and second drift, the corresponding lining bar in the top of described first station male model and the described second station male model offers the lining bar installing hole respectively, and lining bar is nested in the lining bar installing hole movably.
The beneficial effects of the utility model are: the shoulder block mould of a kind of pull explosive screw screw rod described in the utility model includes the first station mould and the second station mould successively; In conjunction with the technical solution of the utility model, the blank of rod shape is the shoulder block of pull explosive screw screw rod through the first station mould and second station mould cold-heading processing aftershaping successively, wherein, the first station mould carries out preformed by first drift and shoulder block preformation die cavity to the blank of rod shape when matched moulds handles, after treating the first station mould completion of processing, the blank after the second station mould is handled preformed by the first station male model when matched moulds carries out the processing of shoulder block final molding; The utility model can be integrally formed at shoulder block the screw rod of pull explosive screw by the first station mould and the second station mould, and the pull explosive screw after the utility model moulding has advantage easy to assembly and that cost is low.
Description of drawings
Utilize accompanying drawing to come the utility model is further described below, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of the screw rod of the pull explosive screw after the utility model moulding.
Fig. 2 is that the utility model first station mould is in the structural representation under the die opening state.
Fig. 3 is that the utility model first station mould is in the structural representation under the matched moulds state.
Fig. 4 is that the utility model second station mould is in the structural representation under the die opening state.
Fig. 5 is that the utility model second station mould is in the structural representation under the matched moulds state.
In Fig. 1 to Fig. 5, include:
1---first station mould 11---, the first station male model
111---first male model die cavitys 112---, first drift
113---shoulder block preformation die cavities 12---, the first station master mold
121---first master mold die cavitys 122---, first push rod
2---second station moulds 21---, the second station male model
211---second male model die cavitys 212---, second drift
22---second station master molds 221---, the second master mold die cavity
222---second push rods 3---are inserted by first male model
4---first master mold inserts 5---first installing hole of inserting
6---second male model inserts 7---are inserted by second master mold
8---second insert installing hole 9---lining bar
91---lining bar installing hole 100---shoulder block.
The specific embodiment
Come the utility model is further described below in conjunction with embodiment, wherein, Fig. 1 is the structural representation of the screw rod of the pull explosive screw after the utility model moulding.
Embodiment one
The shoulder block mould of the pull explosive screw screw rod of present embodiment one includes the first station mould 1 and the second station mould 2 successively; The first station mould 1 includes the first station male model 11 and the first station master mold 12 that cooperatively interacts, the top of the first station master mold 12 offers the first master mold die cavity 121, the lower end side of the first station master mold 12 is equipped with in intercalation to the first master mold die cavity 121 and can be along the first master mold die cavity 121, first push rod 122 in axial sliding, the bottom of the first station male model 11 offers the first male model die cavity 111 over against the first master mold die cavity 121, the upper end side of the first male model die cavity 111 be equipped with in intercalation to the first male model die cavity 111 and can along the first male model die cavity 111 in axial sliding the opening part of the bottom of first drift, 112, the first male model die cavitys 111 form shoulder block preformation die cavity 113; The second station mould 2 includes the second station male model 21 and the second station master mold 22 that cooperatively interacts, the top of the second station master mold 22 offers the second master mold die cavity 221, the lower end side of the second station master mold 22 is equipped with in intercalation to the second master mold die cavity 221 and can be along the second master mold die cavity 221, second push rod 222 in axial sliding, the bottom of the second station male model 21 offers over against the upper end side of the second male model die cavity, 211, the second male model die cavitys 211 of the second master mold die cavity 221 and is equipped with in intercalation to the second male model die cavity 211 and can be along the second male model die cavity 211, second drift 212 in axial sliding.
Respectively the course of work of the first station mould 1 and the second station mould 2 is described in detail below in conjunction with accompanying drawing: as shown in Figures 2 and 3, first drift 112 is nested in the first station male model, the 11 corresponding suit holes and can slides along this suit hole; Before the first station male model 11 and the first station master mold, 12 matched moulds, be inserted into the blank of rod shape in the first master mold die cavity 121 and aim at the first male model die cavity 111; After treating that the blank placement finishes, the first station male model 11 and the first station master mold, 12 matched moulds, the both ends difference intercalation of blank is to the first master mold die cavity 121 and the first male model die cavity 111 of respective side, at this moment, the lower surface of blank is replaced in the upper surface of first push rod 122, and the upper surface of blank is replaced in the lower surface of first drift 112.After treating that the first station male model 11 and the first station master mold, 12 matched moulds finish, start the upsetting pressure device, first drift, 112 downward upsetting pressure blanks also make the middle part of blank that the outwards plastic deformation of expansion take place, in the process of first drift, 112 upsetting pressure blanks, shoulder block preformation die cavity 113 acts on blank and the middle part of plastic deformation has taken place and made the middle part of blank further be out of shape; Blank after first drift 112 and shoulder block preformation die cavity 113 act on as shown in Figure 2.Wherein, the effect of shoulder block preformation die cavity 113 is: treat that the blank middle part that is molded into shoulder block 100 carries out that preformed is handled and be that the second station mould, 2 final molding shoulder blocks 100 are ready; In addition, for strengthening the molding effect of shoulder block preformation die cavity 113, present embodiment one is designed to frustum with shoulder block preformation die cavity 113.After treating that first drift 112 finishes with shoulder block 100 preformed effects, the first station male model 11 is recessed the first station master mold 12 and is finished the die sinking action, first push rod 122 is along make progress pushing tow blank and blank pushed away the first master mold die cavity 121 of the axis direction of the first master mold die cavity 121, so far, the first station mould, 1 process finishes.
As shown in Figure 4 and Figure 5, similar with the first station mould, 1 course of action, before the second station male model 21 and the second station master mold, 22 matched moulds, will and make it aim at the second male model die cavity 211 in the second master mold die cavity 221 of blank intercalation to the second station master mold 22 after 1 processing of the first station mould; After treating that the blank placement finishes, the second station male model 21 and the second station master mold, 22 matched moulds, the both ends difference intercalation of blank is to the second master mold die cavity 221 and the second male model die cavity 211 of respective side, at this moment, the lower surface of blank is replaced in the upper surface of second push rod 222, and the upper surface of blank is replaced in the lower surface of second drift 212.After treating that the second station mould, 2 matched moulds finish, effect at the upsetting pressure device, the screw rod middle part of the lower surface upsetting pressure shoulder block 100 to be formed of the second station male model 21, by the lower surface of the second station male model 21 and the upper surface synergy of the second station master mold 22, shoulder block 100 is finally become the smooth shoulder block of upper and lower end face 100 finished products by upsetting pressure; In the process of the lower surface upsetting pressure blank of the second station male model 21, second drift 212 is the upsetting pressure blank also.After treating that shoulder block 100 moulding finish, the second station male model 21 is recessed the second station master mold 22, second push rod 222 is along make progress pushing tow blank and blank pushed away from the second master mold die cavity 221 of the axis direction of the second master mold die cavity 221, so far, the second station mould, 2 process finish, and shoulder block 100 forming processes finish.
Comprehensive above-mentioned situation as can be known, the blank of rod shape is the shoulder block 100 of pull explosive screw screw rod through the first station mould 1 and the second station mould, 2 cold-headings processing aftershaping successively, so, the shoulder block mould of the pull explosive screw screw rod of present embodiment one can be integrally formed at shoulder block 100 screw rod of pull explosive screw, and the pull explosive screw after present embodiment one processing has advantage easy to assembly and that cost is low.
Further, the upper end side of first drift 112 and second drift 212 is equipped with lining bar 9 respectively, lining bar 9 is resisted against the upper surface of corresponding first drift 112 and second drift 212, the corresponding lining bar 9 in the top of the first station male model 11 and the second station male model 21 offers lining bar installing hole 91 respectively, and lining bar 9 is nested in (extremely shown in Figure 5 as Fig. 2) in the lining bar installing hole 91 movably.In present embodiment one, lining bar 9 mainly plays auxiliary upsetting pressure effect, be specially: lining bar 9 acts on the supporting of first drift 112 or second drift 212 as the upsetting pressure device, and then avoids the upsetting pressure device to directly act on first drift 112 or second drift 212.
Embodiment two
Present embodiment two is with the difference of embodiment one: the bottom of the first station male model 11 is fitted with first male model and inserts 3, the top of the first station master mold 12 is fitted with first master mold and inserts 4, the first male model die cavity 111 takes shape in insert 3 inside of first male model, the first master mold die cavity 121 takes shape in insert 4 inside of first master mold, the first station male model 11 and the first station master mold 12 offer first installing hole 5, the first male models 3 and first master mold of inserting of inserting respectively and insert and 4 be nested in corresponding first respectively and insert in the installing hole 5.First male model, 3 and first master mold of inserting is inserted and 4 is nested in corresponding first replaceably and inserts in the installing hole 5, when the pull explosive screw screw rod of processing different thicknesses, can can improve the scope of application of the first station mould 1 like this by first male model of changing the different size specification 3 and first master mold, 4 shoulder blocks 100 of screw rod of realizing the pull explosive screw of the same set of first station mould, 1 processing different thicknesses of inserting of inserting; In addition, in process, can little by little wear and tear so that influence Forming Quality in the upper surface of the lower surface of the first station male model 11, shoulder block preformation die cavity 113 and the first station master mold 12; And adopt the first station mould 1 of said structure form can avoid above-mentioned defective effectively, under the situation that can be worn and momentarily change corresponding first male model 3 and first master mold of inserting and insert 4 in the upper surface of lower surface, shoulder block preformation die cavity 113 and the first station master mold 12 of the first station male model 11, and do not need to change the whole first station master mold 12 and the first station male model 11, saved cost.
Embodiment three
Present embodiment three is with the difference of embodiment one: the bottom of the second station male model 21 is fitted with second male model and inserts 6, the top of the second station master mold 22 is fitted with second master mold and inserts 7, the second station male model 21 and the second station master mold 22 offer second installing hole 8, the second male models 6 and second master mold of inserting of inserting respectively and insert and 7 be nested in corresponding second respectively and insert in the installing hole 8.Second male model of the shoulder block mould of the pull explosive screw screw rod of present embodiment three, 6 and second master mold of inserting is inserted 7 equally with first male model insert 4 the effect of 3 and first master mold of inserting among the embodiment two, does not give unnecessary details at this.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. the shoulder block mould of a pull explosive screw screw rod, it is characterized in that: it includes the first station mould (1) and the second station mould (2) successively;
The first station mould (1) includes the first station male model (11) and the first station master mold (12) that cooperatively interacts, the top of the first station master mold (12) offers the first master mold die cavity (121), the lower end side of the first station master mold (12) is equipped with in intercalation to the first master mold die cavity (121) and can be along the first master mold die cavity (121), first push rod (122) in axial sliding, the bottom of the first station male model (11) offers the first male model die cavity (111) over against the first master mold die cavity (121), the upper end side of the first male model die cavity (111) is equipped with in intercalation to the first male model die cavity (111) and can be along the first male model die cavity (111), first drift (112) in axial sliding, and the opening part of the bottom of the first male model die cavity (111) forms shoulder block preformation die cavity (113);
The second station mould (2) includes the second station male model (21) and the second station master mold (22) that cooperatively interacts, the top of the second station master mold (22) offers the second master mold die cavity (221), the lower end side of the second station master mold (22) is equipped with in intercalation to the second master mold die cavity (221) and can be along the second master mold die cavity (221), second push rod (222) in axial sliding, the bottom of the second station male model (21) offers the second male model die cavity (211) over against the second master mold die cavity (221), and the upper end side of the second male model die cavity (211) is equipped with in intercalation to the second male model die cavity (211) and can be along the second male model die cavity (211), second drift (212) in axial sliding.
2. the shoulder block mould of a kind of pull explosive screw screw rod according to claim 1, it is characterized in that: the bottom of the described first station male model (11) is fitted with first male model insert (3), the top of the described first station master mold (12) is fitted with first master mold insert (4), the described first male model die cavity (111) takes shape in the insert inside of (3) of first male model, the described first master mold die cavity (121) takes shape in the insert inside of (4) of first master mold, the first station male model (11) and the first station master mold (12) offer first installing hole (5) of inserting respectively, and first male model is inserted (3) and first master mold is inserted (4) is nested in corresponding first respectively and inserts in the installing hole (5).
3. the shoulder block mould of a kind of pull explosive screw screw rod according to claim 2, it is characterized in that: the bottom of the described second station male model (21) is fitted with second male model insert (6), the top of the described second station master mold (22) is fitted with second master mold insert (7), the second station male model (21) and the second station master mold (22) offer second installing hole (8) of inserting respectively, and second male model is inserted (6) and second master mold is inserted (7) is nested in corresponding second respectively and inserts in the installing hole (8).
4. the shoulder block mould of a kind of pull explosive screw screw rod according to claim 1 is characterized in that: described shoulder block preformation die cavity (113) is frustum, and the upper end diameter of shoulder block preformation die cavity (113) is little than lower end diameter.
5. the shoulder block mould of a kind of pull explosive screw screw rod according to claim 1, it is characterized in that: described first drift (112) is equipped with lining bar (9) respectively with the upper end side of described second drift (212), lining bar (9) is resisted against the upper surface of corresponding first drift (112) and second drift (212), the corresponding lining bar in the top of described first station male model (11) and the described second station male model (21) (9) offers lining bar installing hole (91) respectively, and lining bar (9) is nested in the lining bar installing hole (91) movably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120178126XU CN202079215U (en) | 2011-05-31 | 2011-05-31 | Shoulder forming die for screw rod of expansion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120178126XU CN202079215U (en) | 2011-05-31 | 2011-05-31 | Shoulder forming die for screw rod of expansion screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202079215U true CN202079215U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120178126XU Expired - Lifetime CN202079215U (en) | 2011-05-31 | 2011-05-31 | Shoulder forming die for screw rod of expansion screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202079215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248107A (en) * | 2011-05-31 | 2011-11-23 | 鹏驰五金制品有限公司 | Shoulder forming die of anchor screw rod |
-
2011
- 2011-05-31 CN CN201120178126XU patent/CN202079215U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248107A (en) * | 2011-05-31 | 2011-11-23 | 鹏驰五金制品有限公司 | Shoulder forming die of anchor screw rod |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
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| CX01 | Expiry of patent term |