CN216300045U - Insert ejection structure in injection mold - Google Patents
Insert ejection structure in injection mold Download PDFInfo
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- CN216300045U CN216300045U CN202122622794.3U CN202122622794U CN216300045U CN 216300045 U CN216300045 U CN 216300045U CN 202122622794 U CN202122622794 U CN 202122622794U CN 216300045 U CN216300045 U CN 216300045U
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- injection mold
- ejection structure
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- insert
- round bar
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Abstract
The utility model discloses an insert ejection structure in an injection mold, which comprises a rear template, a front template, mold feet arranged between the rear template and the front template, and ejector rod assemblies, wherein the ejector rod assemblies are grouped in pairs, each ejector rod assembly comprises a square inclined top, a round rod, an inclined top hinge assembly and an inclined top seat, one end of the round rod is connected with the square inclined top, the other end of the round rod is fixed in the inclined top seat through the inclined top hinge assembly, the square inclined tops in the same group are connected through an insert, and the inclined top seat is fixed on the front template.
Description
Technical Field
The utility model belongs to the technical field of mold ejection structures, and particularly relates to an insert ejection structure in an injection mold.
Background
The square oblique ejector rod belongs to a part which frequently slides, but the square oblique ejector rod is different from the round ejector pin, because the contact area of the square oblique ejector rod is larger than that of the round ejector pin, the square oblique ejector rod naturally bears friction with higher strength, and the oblique ejector rod needs to have an ejection function, the length of the oblique ejector rod is not too short, and the strength and the toughness of the square oblique ejector rod are not too good; that is to say because the length overlength of square pitched roof-bar leads to self intensity and toughness not good, the crooked, the condition of breaking, card dead of square pitched roof appear when ejecting the motion.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an insert ejection structure in an injection mold, and aims to solve the technical problems that strength and toughness of an oblique ejector rod are poor due to overlong length, and a square oblique top is bent, broken and clamped during ejection movement.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: the utility model provides an injection mold insert ejection structure, back template, preceding template, set up the mould foot between back template and the preceding template, still include ejector pin subassembly, two liang of a set ofly of ejector pin subassembly, ejector pin subassembly includes square oblique top, round bar, pushes up hinge subassembly and oblique footstock to one side, round bar one end is connected the square oblique top, and the other end passes through the oblique top hinge subassembly to be fixed in oblique footstock, and is the same a set of the square oblique top passes through the mold insert and connects, the footstock is fixed on the preceding template to one side.
The square lifter is connected with the round rod through a guide sleeve, a fixing clamping piece is arranged below the guide sleeve, and the square lifter is connected with the round rod through a positioning pin after being assembled.
The end part of the inclined top is provided with an installation bulge, and the round rod and the installation bulge are correspondingly provided with an installation groove.
The mould foot sets up in the both sides of front forms, U type mounting groove is seted up to the footstock, the footstock is connected with the mould foot to one side, the hinge subassembly that pushes up to one side sets up in U type mounting groove.
And pressing plates are arranged on two sides of the U-shaped mounting groove of the inclined top seat and are arranged between the mold feet and the inclined top seat.
The pitched roof hinge assembly comprises a pitched roof rotating seat used for fixing the round rod and hinge pieces arranged on two sides of the pitched roof rotating seat, and the hinge pieces on two sides are connected with the pitched roof rotating seat positioned in the middle through a pin shaft.
The round rod is fixedly connected with the pitched roof rotating seat, and the round rod and the pitched roof rotating seat are correspondingly provided with positioning grooves.
The utility model has the beneficial effects that:
according to the utility model, the square rod is converted into the round rod, so that the length of the square inclined ejector rod can be greatly shortened, the strength of the square inclined ejector rod is increased, the toughness requirement corresponding to the length reduction can be reduced, and the friction surface corresponding to the square inclined ejector rod can be reduced. After the square pitched roof and the round rod are installed on the die, the round rod is connected with the square pitched roof through rotating 90 degrees from the back of the die, the pitched roof seat and the pitched roof hinge assembly are assembled and fixed on the die, and then the round rod and the pitched roof hinge assembly are fixed to realize the ejection action. The problems that the strength and the toughness of the square pitched roof are poor due to the fact that the length of the square pitched roof is too long, and the square pitched roof is bent, broken and clamped during ejection movement are solved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a partial structural schematic diagram of the present invention.
In the figure:
0. a rear template; 1. a square oblique top; 101. mounting a boss; 2. a guide sleeve; 3. a round bar; 301. installing a groove; 311. positioning a groove; 4. an ejector plate; 5. a slanted ejecting seat; 501. a U-shaped mounting groove; 6. a pitched roof hinge assembly; 601. a pitched roof rotating base; 602. a hinge plate; 8. a mould leg; 9. a front template; 10. an insert; 11. and (7) pressing a plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1-3, an insert ejection structure in an injection mold comprises a rear mold plate 0, a front mold plate 9, mold feet 8 arranged between the rear mold plate 0 and the front mold plate 9, and ejector rod assemblies, wherein each two of the ejector rod assemblies are in a group, each ejector rod assembly comprises a square lifter 1, a round rod 3, an inclined lifter hinge assembly 6 and an inclined lifter base 5, one end of each round rod 3 is connected with the corresponding square lifter 1, the other end of each round rod is fixed in the corresponding inclined lifter base 5 through the corresponding inclined lifter hinge assembly 6, the square lifters 1 in the same group are connected through an insert 10, and the inclined lifter bases 5 are fixed on the front mold plate 9.
The square lifter 1 is connected with the round rod 3 through the guide sleeve 2, the fixing clamping piece 13 is arranged below the guide sleeve 2, and the square lifter 1 is connected with the round rod 3 through the positioning pin after being assembled.
Specifically, a clamping piece 13 is provided to clamp the guide sleeve 2 to prevent the guide sleeve 2 from falling out.
The end part of the square inclined top 1 is provided with a mounting protrusion 101, and the round rod 3 and the mounting protrusion 101 are correspondingly provided with a mounting groove 301.
Specifically, after the round rod 3 is aligned with the assembling hole of the square lifter 101, the round rod 3 rotates 90 degrees through the technical hexagon socket, and the round rod 3 and the square lifter 1 are fixed in the moving direction.
Specifically, the positioning pin and the square lifter 1 have the functions of installation and positioning and can also have the function of tensioning locking in the vertical direction.
The mold feet 8 are arranged on two sides of the front mold plate 9, the inclined top seat 5 is provided with a U-shaped mounting groove 501, the inclined top seat 5 is connected with the mold feet 8, and the inclined top hinge assembly 6 is arranged in the U-shaped mounting groove 501.
The pitched roof hinge assembly 6 comprises a pitched roof rotating seat 601 for fixing the round rod 3 and hinge pieces 602 arranged at two sides of the pitched roof rotating seat 601, wherein the hinge pieces 602 at two sides are connected with the pitched roof rotating seat 601 positioned in the middle through a pin shaft.
The round rod 3 is fixedly connected with the pitched roof rotating base 601, and the round rod 3 and the pitched roof rotating base 601 are correspondingly provided with a positioning groove 311.
The working principle is as follows:
the installation of the square lifter 1 and the round rod 3 is that the round rod 3 rotates 90 degrees through circular motion after being fixed with the positioning pin through the round rod 4, so that the square lifter 1 and the round rod 3 play a role in fixing in the motion direction. After the square lifter 1 is installed on a die, the round rod 3 is connected with the square rod through rotating 90 degrees from the back of the die, the lifter base 5 and the lifter hinge assembly 6 are assembled and fixed on the die, and the round rod 3 and the lifter hinge assembly 6 are fixed through screws to realize ejection. Shorten the length of top to one side 1, increase the intensity of whole top to one side structure through conversion round bar 3, the equipment of round bar 3 and top to one side 1 carries out circular motion through round bar 3, realizes the orientation location between the two with the locating pin to play the fixed action of top to one side direction of motion.
The foregoing is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the utility model, and such modifications and improvements are also considered to be within the scope of the utility model.
Claims (7)
1. The utility model provides an injection mold insert ejection structure, back template (0), front template (9), set up mould foot (8) between back template (0) and front template (9), its characterized in that still includes ejector pin subassembly, two liang of a set of ejector pin subassemblies, ejector pin subassembly includes square oblique top (1), round bar (3), pushes up hinge subassembly (6) and oblique footstock (5) to one side, round bar (3) one end is connected square oblique top (1), and the other end is fixed in oblique footstock (5) through pushing up hinge subassembly (6) to one side, and is with a set of square oblique top (1) is connected through mold insert (10), oblique footstock (5) are fixed on front template (9).
2. The insert ejection structure in an injection mold according to claim 1, wherein the lifter (1) is connected with the round rod (3) through a guide sleeve (2), a fixing clamp (13) is arranged below the guide sleeve (2), and the lifter (1) is connected with the round rod (3) through a positioning pin after being assembled.
3. An insert ejection structure in an injection mold according to claim 2, wherein the end of the lifter (1) is provided with a mounting protrusion (101), and the round bar (3) is provided with a mounting groove (301) corresponding to the mounting protrusion (101).
4. An insert ejection structure in an injection mold according to claim 1, wherein the mold legs (8) are disposed at both sides of the front mold plate (9), the slanted ejecting seat (5) is provided with a U-shaped mounting groove (501), the slanted ejecting seat (5) is connected with the mold legs (8), and the slanted ejecting hinge assembly (6) is disposed in the U-shaped mounting groove (501).
5. An insert ejection structure in an injection mold according to claim 4, wherein the pressing plates (11) are arranged on both sides of the U-shaped mounting groove (501) of the inclined top seat (5), and the pressing plates (11) are fixed between the ejector plate plates (4).
6. The insert ejection structure in an injection mold according to claim 1, wherein the pitched roof hinge module (6) comprises a pitched roof rotating base (601) for fixing the round bar (3) and hinge pieces (602) disposed at both sides of the pitched roof rotating base (601), and the hinge pieces (602) at both sides are connected with the pitched roof rotating base (601) at the middle by a pin shaft.
7. The insert ejection structure in an injection mold according to claim 6, wherein the round bar (3) is fixedly connected with the pitched-roof rotating base (601), and the locating slot (311) is formed in the round bar (3) and the pitched-roof rotating base (601) correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622794.3U CN216300045U (en) | 2021-10-29 | 2021-10-29 | Insert ejection structure in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122622794.3U CN216300045U (en) | 2021-10-29 | 2021-10-29 | Insert ejection structure in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216300045U true CN216300045U (en) | 2022-04-15 |
Family
ID=81117312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122622794.3U Active CN216300045U (en) | 2021-10-29 | 2021-10-29 | Insert ejection structure in injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216300045U (en) |
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2021
- 2021-10-29 CN CN202122622794.3U patent/CN216300045U/en active Active
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