CN214023301U - Cold-heading die structure for ultra-short hexagonal flange surface - Google Patents
Cold-heading die structure for ultra-short hexagonal flange surface Download PDFInfo
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- CN214023301U CN214023301U CN202023039532.6U CN202023039532U CN214023301U CN 214023301 U CN214023301 U CN 214023301U CN 202023039532 U CN202023039532 U CN 202023039532U CN 214023301 U CN214023301 U CN 214023301U
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Abstract
The utility model discloses an ultra-short hexagonal flange face cold heading die structure, which comprises a female die sleeve, a rear ejector rod and a first spring seat; a female die sleeve: the back pad is installed on inside right side, the lateral surface of die case is equipped with the through-hole, back ejector pin pegs graft in the mounting hole of back pad right-hand member, the middle part of back pad is equipped with the spout, and the right side of spout is connected with the right-hand member of first spring, the left end cup joint of first spring holder is on the right side of first spring holder, the spout sliding connection at first spring holder and back pad middle part, this ultra-short hexagonal flange face cold-heading mould structure, through the ejecting top contact with the bolt of first spring with preceding ejector pin, will dash the bottom contact that the stick is ejecting and the bolt through the second spring simultaneously to realized the fixing of bolt, and then prevented that the bolt from appearing dropping man-hour, can let the clamp plate open early, fix a position the triangle awl and insert the triangle of three preface in advance and fix a position, thereby prevent that the pivoted condition from appearing in the bolt.
Description
Technical Field
The utility model relates to a cold-heading mould technical field specifically is an ultrashort hexagonal flange face cold-heading mould structure.
Background
The existing hexagonal flange face bolt needs cold heading treatment in the production process, and the cold heading process comprises material breaking, primary heading in the first sequence, heading in the second sequence, bundling hexagonal in the third sequence and forming in the fourth sequence. The cold heading ultra-short hexagonal flange face has the difficulties that the clamp sheet cannot be opened too early (a bolt does not enter a female die and falls after being opened) or too slowly (the bolt collides with the clamp sheet to cause knocking of a clamp) and only needs to be ground to be very thin, but after the hexagon is bundled, the hexagon at the head of a three-sequence bolt must be aligned to a four-sequence hexagon when the hexagon is finally formed, and the clamping force is limited after the clamp sheet is ground to be thin, so that a corner is easy to occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a ultrashort hexagonal flange face cold-heading mould structure is provided, through the top contact of first spring with the ejecting and bolt of preceding ejector pin, simultaneously through the bottom contact of second spring with the impact bar ejecting and bolt, thereby realized the fixing of bolt, and then prevent that the bolt from dropping in man-hour appearance, can let the pincers piece open early, location in the triangle that the three prefaces of location set-square awl inserted and made in advance, thereby prevent that the pivoted condition from appearing in the bolt, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cold heading die structure for an ultra-short hexagonal flange surface comprises a female die sleeve, a rear ejector rod and a first spring seat;
a female die sleeve: a rear cushion is mounted on the right side of the interior of the die sleeve, a through hole is formed in the outer side surface of the die sleeve, a rear ejector rod is inserted in a mounting hole in the right end of the rear cushion, a sliding groove is formed in the middle of the rear cushion, the right side of the sliding groove is connected with the right end of a first spring, the left end of the first spring is sleeved on the right side of a first spring seat, a front ejector rod is arranged in the middle of the left side surface of the first spring seat, a female die is arranged on the left side of the interior of the die sleeve, and a positioning cushion block is sleeved on the outer side of the front ejector rod;
wherein: still include die sleeve, second spring holder and towards the stick, the inside of die sleeve is equipped with the mounting groove, the second spring holder has two and establishes the left and right sides at die sleeve inside mounting groove respectively, through second spring coupling between two second spring holders, the second spring is located the inside mounting groove of die sleeve, and the right flank of the second spring holder on right side is connected with the left end that dashes the stick.
The front ejector rod is ejected out to be contacted with the top end of the bolt through the first spring, and the punching rod is ejected out to be contacted with the bottom end of the bolt through the second spring, so that the bolt is fixed, and the bolt is prevented from falling off during processing.
Further, still including location set pyramid, the middle part at preceding ejector pin left surface is established to location set pyramid, can with the cross screw joint looks joint at bolt top to the pivoted condition appears in the bolt of preventing.
Furthermore, the positioning device further comprises a positioning screw and a clamping groove, the clamping groove is formed in the top end of the positioning cushion block, the positioning screw penetrates through a through hole in the outer side face of the female die sleeve and is clamped with the clamping groove, the positioning cushion block can be conveniently fixed, and therefore the circular positioning cushion block is prevented from rotating.
Furthermore, still include positioning groove, positioning groove establishes the one end at preceding ejector pin lateral surface, can make the fixed of preceding ejector pin and location cushion more firm to prevent to appear rotating between the two.
Furthermore, the first spring seat is connected with a sliding groove in the middle of the rear cushion in a sliding mode, and the left end of the front ejector rod penetrates through the middle of the positioning cushion block and is connected with the positioning cushion block in a sliding mode.
Furthermore, the left end of the second spring is sleeved at the right end of the second spring seat on the left side, and the right end of the second spring is sleeved at the left end of the second spring seat on the right side.
Compared with the prior art, the beneficial effects of the utility model are that: this ultrashort hexagonal flange face cold-heading mould structure has following benefit:
1. the front ejector rod is ejected out through the first spring to be contacted with the top end of the bolt, and the punch rod is ejected out through the second spring to be contacted with the bottom end of the bolt, so that the bolt is fixed, the bolt is prevented from falling off during machining, and the clamp piece can be opened early;
2. the positioning triangular cones are inserted into the three-step pre-punched triangles for positioning, so that the bolt is prevented from rotating, and the bolt is prevented from rotating;
3. be equipped with set screw and draw-in groove, can conveniently fix the locating pad piece to prevent that the circular shape locating pad piece is rotatory, be equipped with positioning groove, can make the fixed of preceding ejector pin and locating pad piece more firm, thereby prevent to appear rotating between the two.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the die case of the present invention;
fig. 3 is a schematic view of the sectional structure of the positioning pad of the present invention.
In the figure: the stamping die comprises a female die sleeve 1, a rear ejector rod 2, a first spring seat 3, a female die 4, a front ejector rod 5, a positioning triangular cone 6, a rear cushion 7, a first spring 8, a positioning cushion block 9, a positioning screw 10, a die sleeve 11, a second spring 12, a second spring seat 13, a stamping rod 14, a positioning groove 15 and a clamping groove 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a cold heading die structure for an ultra-short hexagonal flange surface comprises a female die sleeve 1, a rear ejector rod 2 and a first spring seat 3;
the die case 1: a rear cushion 7 is arranged on the right side of the inside of the die sleeve 1, a through hole is formed in the outer side surface of the die sleeve 1, a rear ejector rod 2 is inserted in a mounting hole in the right end of the rear cushion 7, a sliding groove is formed in the middle of the rear cushion 7, the right side of the sliding groove is connected with the right end of a first spring 8, the left end of the first spring 8 is sleeved on the right side of a first spring seat 3, a front ejector rod 5 is arranged in the middle of the left side surface of the first spring seat 3, the first spring seat 3 is in sliding connection with the sliding groove in the middle of the rear cushion 7, a female die 4 is arranged on the left side of the inside of the die sleeve 1, a positioning cushion block 9 is sleeved on the outer side of the front ejector rod 5, and the left end of the front ejector rod 5 penetrates through the middle of the positioning cushion block 9 and is in sliding connection with the positioning cushion block 9;
wherein: the punching die comprises a punching die sleeve 11, two second spring seats 12, two second spring seats 13 and a punching rod 14, wherein a mounting groove is formed in the punching die sleeve 11, the two second spring seats 13 are respectively arranged on the left side and the right side of the mounting groove in the punching die sleeve 11, the two second spring seats 13 are connected through the second spring 12, the left end of the second spring 12 is sleeved on the right end of the second spring seat 13 on the left side, the right end of the second spring 12 is sleeved on the left end of the second spring seat 13 on the right side, the second spring 12 is positioned in the mounting groove in the punching die sleeve 11, the right side face of the second spring seat 13 on the right side is connected with the left end of the punching rod 14, the front ejector rod 5 is ejected through the first spring 8 to be contacted with the top end of a bolt, meanwhile, the punching rod 14 is ejected through the second spring 12 to be contacted with the bottom end of the bolt, so that the bolt is fixed, the bolt is prevented from falling during processing, and the clamp piece can be opened early, still including location set square 6, the middle part at 5 left surfaces of ejector pin before location set square 6 is established, location set square 6 inserts the triangle of three prefaces made in advance and fixes a position, thereby prevent that the pivoted condition from appearing in the bolt, still include set screw 10 and draw-in groove 16, the top at locating pad 9 is established to draw-in groove 16, set screw 10 passes through the through-hole and the draw-in groove 16 looks joint of 1 lateral surface of die case, can conveniently fix locating pad 9, thereby prevent that circular shape locating pad 9 is rotatory, still include positioning groove 15, positioning groove 15 establishes the one end at 5 lateral surfaces of ejector pin before, can make the fixed of preceding ejector pin 5 and locating pad 9 more firm, thereby prevent to appear rotating between the two.
When in use: firstly, a die case 1 is installed on one side of a bolt, a die case 11 is installed on the other side of the bolt, when the bolt needs to be fixed, the elastic force of a first spring 8 enables a first spring seat 3 to slide in a sliding groove in a rear cushion 7, a front ejector rod 5 is arranged on the left side surface of the first spring seat 3, so that the front ejector rod 5 can be contacted with the top end of the bolt, a positioning triangular cone 6 on the left side surface of the front ejector rod 5 is inserted into a triangular formed in advance in three sequences for positioning, thereby preventing the bolt from rotating, a positioning groove 15 is arranged at one end of the outer side of the front ejector rod 5, the positioning groove 15 can enable the front ejector rod 5 and a positioning cushion block 9 to be fixed more stably, thereby preventing the rotation between the front ejector rod and the positioning cushion block 9, then a positioning screw 10 is inserted into a clamping groove 16, the positioning screw 10 can conveniently fix the positioning cushion block 9, thereby preventing the circular positioning cushion block 9 from rotating, then the elastic force of the second spring 12 makes the punch 14 contact with the bottom end of the bolt, thereby fixing the bolt, preventing the bolt from falling off during processing and enabling the clamp piece to open early.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an ultrashort hexagonal flange face cold-heading mould structure which characterized in that: comprises a female die sleeve (1), a rear ejector rod (2) and a first spring seat (3);
die case (1): a rear cushion (7) is mounted on the right side of the interior of the die sleeve (1), a through hole is formed in the outer side face of the die sleeve (1), a rear ejector rod (2) is connected in a mounting hole in the right end of the rear cushion (7) in an inserted mode, a sliding groove is formed in the middle of the rear cushion (7), the right side of the sliding groove is connected with the right end of a first spring (8), the left end of the first spring (8) is connected to the right side of a first spring seat (3) in a sleeved mode, a front ejector rod (5) is arranged in the middle of the left side face of the first spring seat (3), a female die (4) is arranged on the left side of the interior of the die sleeve (1), and a positioning cushion block (9) is sleeved on the outer side of the front ejector rod (5);
wherein: still include die sleeve (11), second spring (12), second spring holder (13) and towards stick (14), the inside of die sleeve (11) is equipped with the mounting groove, second spring holder (13) have two and establish respectively in the left and right sides of die sleeve (11) inside mounting groove, connect through second spring (12) between two second spring holders (13), second spring (12) are located the inside mounting groove of die sleeve (11), and the right flank of second spring holder (13) on right side is connected with the left end that dashes stick (14).
2. The ultra-short hexagonal flange face cold-heading die structure as claimed in claim 1, wherein: the device is characterized by further comprising a positioning triangular cone (6), wherein the positioning triangular cone (6) is arranged in the middle of the left side face of the front ejector rod (5).
3. The ultra-short hexagonal flange face cold-heading die structure as claimed in claim 1, wherein: the die sleeve is characterized by further comprising a positioning screw (10) and a clamping groove (16), wherein the clamping groove (16) is formed in the top end of the positioning cushion block (9), and the positioning screw (10) penetrates through a through hole in the outer side face of the die sleeve (1) to be clamped with the clamping groove (16).
4. The ultra-short hexagonal flange face cold-heading die structure as claimed in claim 1, wherein: the front ejector rod structure is characterized by further comprising a positioning groove (15), wherein the positioning groove (15) is formed in one end of the outer side face of the front ejector rod (5).
5. The ultra-short hexagonal flange face cold-heading die structure as claimed in claim 1, wherein: the first spring seat (3) is in sliding connection with a sliding groove in the middle of the rear pad (7), and the left end of the front ejector rod (5) penetrates through the middle of the positioning cushion block (9) and is in sliding connection with the positioning cushion block (9).
6. The ultra-short hexagonal flange face cold-heading die structure as claimed in claim 1, wherein: the left end of the second spring (12) is sleeved at the right end of the second spring seat (13) on the left side, and the right end of the second spring (12) is sleeved at the left end of the second spring seat (13) on the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039532.6U CN214023301U (en) | 2020-12-17 | 2020-12-17 | Cold-heading die structure for ultra-short hexagonal flange surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039532.6U CN214023301U (en) | 2020-12-17 | 2020-12-17 | Cold-heading die structure for ultra-short hexagonal flange surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214023301U true CN214023301U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023039532.6U Active CN214023301U (en) | 2020-12-17 | 2020-12-17 | Cold-heading die structure for ultra-short hexagonal flange surface |
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| CN (1) | CN214023301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845875A (en) * | 2021-01-11 | 2021-05-28 | 苏州市同心机械厂 | Extrusion die |
-
2020
- 2020-12-17 CN CN202023039532.6U patent/CN214023301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845875A (en) * | 2021-01-11 | 2021-05-28 | 苏州市同心机械厂 | Extrusion die |
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