CN212736919U - Ejector rod device - Google Patents
Ejector rod device Download PDFInfo
- Publication number
- CN212736919U CN212736919U CN202021400520.9U CN202021400520U CN212736919U CN 212736919 U CN212736919 U CN 212736919U CN 202021400520 U CN202021400520 U CN 202021400520U CN 212736919 U CN212736919 U CN 212736919U
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Abstract
The utility model relates to a mandril device technical field, in particular to a mandril device which solves the defects of low installation precision and complex disassembly and assembly in the prior art, comprising a top plate, a template and a mounting plate, wherein the top plate is sequentially provided with a communicated mounting groove, a side groove, a sliding groove, a screw hole and a through hole, the bottom wall of the mounting groove is fixedly provided with symmetrically arranged positioning pins, the inside of the sliding groove is slidably connected with a pressing plate, the internal thread of the screw hole is connected with a screw rod, the mounting plate is provided with symmetrically arranged positioning holes, and the two ends of the mounting plate are designed to be deformed differently when being installed by the arrangement of structures such as the positioning pins, the positioning holes, the mounting plate, a rectangular hole and the pressing plate, and the like, can be used for improving the positioning precision and avoiding the inverse installation of the mandril, the positioning pins are matched with the, the installation is not easy to loose.
Description
Technical Field
The utility model relates to a push rod device technical field especially relates to a push rod device.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.
The ejector pin is the device that is used for ejecting the product in injection mold, and the ejector pin among the prior art has following defect: firstly, the installation precision is low, and the looseness is easy to occur after the installation; secondly, because the life of ejector pin is short often needs to be changed, the order on the market all needs to take the mould apart when changing, and the dismouting is very loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of low installation precision and complex disassembly and assembly in the prior art and providing a mandril device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the ejector rod device comprises a top plate, a template and a mounting plate, wherein the top plate is sequentially provided with a mounting groove, a side groove, a sliding groove, a screw hole and a through hole which are communicated with each other, the bottom wall of the mounting groove is fixedly provided with positioning pins which are symmetrically arranged, the inside of the sliding groove is connected with a pressing plate in a sliding mode, the screw hole is in threaded connection with a screw rod, the mounting plate is provided with symmetrically arranged positioning holes, an ejector rod is welded at the top of the mounting plate, one end of the mounting plate is rectangular, and the other end of the mounting plate is in a polygonal shape.
Preferably, the template is provided with a mounting hole, a guide sleeve is arranged in the mounting hole, and the ejector rod is sleeved in the guide sleeve.
Preferably, the locating pin is provided with a rectangular hole matched with the pressing plate.
Preferably, a portion of the screw is located inside the side groove.
Preferably, the end of the pressure plate is provided with a bearing, and one end of the screw rod is sleeved in the bearing.
The utility model has the advantages that:
1. the utility model discloses in through the setting of locating pin, locating hole, mounting panel, rectangular hole and clamp plate isotructure, when the installation, the both ends design deformation of mounting panel is different, can be used to promote positioning accuracy and avoid the ejector pin dress to turn over, and installation back locating pin and locating hole cooperation location, installation accuracy are high, and the clamp plate supports tightly can strengthen the holistic fixity of ejector pin in the bottom of mounting panel, is difficult not hard up after the installation.
2. The utility model discloses in through the setting of through hole and mounting groove isotructure, set up mounting groove and through hole on the roof, pass the through hole with the guide pin bushing with the ejector pin from the bottom and install, only need take out or insert from the roof bottom during dismouting, need not to dismantle the mould, easy dismounting is swift, uses manpower sparingly and man-hour.
Drawings
Fig. 1 is a schematic view of a push rod device according to the present invention during installation;
fig. 2 is a front view of the ejector rod device provided by the present invention;
FIG. 3 is a schematic structural view of the protruded top plate and the mounting plate of the present invention;
fig. 4 is a schematic structural diagram of the mounting plate provided by the present invention.
In the figure: 1 top plate, 2 templates, 3 ejector rods, 4 mounting plates, 41 positioning holes, 5 mounting grooves, 6 side grooves, 61 sliding grooves, 7 screw rods, 8 pressing plates, 9 through holes, 10 positioning pins and 101 rectangular holes.
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.
Referring to fig. 1-4, a mandrel device comprises a top plate 1, a template 2 and a mounting plate 4, wherein the top plate 1 is sequentially provided with a mounting groove 5, a side groove 6, a sliding groove 61, a screw hole and a through hole 9 which are communicated with each other, the bottom wall of the mounting groove 5 is fixedly provided with positioning pins 10 which are symmetrically arranged, the sliding groove 61 is internally and slidably connected with a pressing plate 8, the screw hole is internally and threadedly connected with a screw rod 7, the mounting plate 4 is provided with symmetrically arranged positioning holes 41, the top of the mounting plate 4 is welded with a mandrel 3, one end of the mounting plate 4 is rectangular, and the other end of the mounting plate 4 is polygonal in.
Through locating pin 10, locating hole 41, mounting panel 4, the setting of rectangular hole 101 and clamp plate 8 isotructure, when the installation, the both ends design deformation of mounting panel 4 is different, can be used to promote positioning accuracy and avoid ejector pin 3 dress to turn over, installation back locating pin 10 and locating hole 41 cooperation location, the installation accuracy is high, clamp plate 8 supports tightly can strengthen the holistic fixity of ejector pin 3 in mounting panel 4's bottom, difficult not hard up after the installation, through the setting of through hole 9 and mounting groove 5 isotructure, set up mounting groove 5 and through hole 9 on roof 1, pass through hole 9 and guide pin bushing with ejector pin 3 from the bottom and install, only need take out or insert from roof 1 bottom during the dismouting, need not to dismantle the mould, easy dismounting is swift, use manpower sparingly and man-hour.
In this embodiment, the template 2 is provided with a mounting hole, a guide sleeve is arranged in the mounting hole, and the ejector rod 3 is sleeved in the guide sleeve.
In this embodiment, the positioning pin 10 is provided with a rectangular hole 101 matched with the pressing plate 8.
In this embodiment, the screw 7 is partially located inside the side groove 6.
In this embodiment, the end of the pressing plate 8 is provided with a bearing, and one end of the screw 7 is sleeved inside the bearing.
The utility model discloses a concrete implementation process as follows: during installation, referring to fig. 2, the ejector rod 3 is inserted upwards from the bottom of the installation groove 5, so that the ejector rod 3 is inserted into the guide sleeve for installation, meanwhile, the installation plate 4 is inserted into the installation groove 5, the installation cannot be reversed during installation due to different shapes of two ends of the installation plate 4, the installation positioning pin 10 is inserted into the positioning hole 41 for further positioning the installation plate 4 after installation, the installation precision is improved, after the installation plate 4 is tightly pressed with the top wall of the installation groove 5, a person rotates the screw rods 7 on two sides, the screw rods 7 move along the screw holes and then push the pressing plate 8 to slide out, and the pressing plate 8 penetrates through the rectangular hole 101 and abuts against;
further, when the ejector rod 3 is disassembled and replaced, the screw rods 7 on the two sides are rotated and opened, so that the pressing plate 8 is received in the sliding groove 61, and then the mounting plate 4 and the ejector rod 3 can be directly drawn out from the bottom for replacement.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The ejector rod device comprises a top plate (1), a template (2) and a mounting plate (4), and is characterized in that the top plate (1) is sequentially provided with a mounting groove (5), a side groove (6), a sliding groove (61), a screw hole and a through hole (9) which are communicated with each other, positioning pins (10) which are symmetrically arranged are fixedly arranged on the bottom wall of the mounting groove (5), a pressing plate (8) is slidably connected to the inside of the sliding groove (61), a screw rod (7) is connected to the internal thread of the screw hole, symmetrically arranged positioning holes (41) are formed in the mounting plate (4), an ejector rod (3) is welded to the top of the mounting plate (4), one end of the mounting plate (4) is rectangular, and the other end of the mounting plate (4) is in a polygonal.
2. The ejector rod device as claimed in claim 1, wherein the template (2) is provided with a mounting hole, a guide sleeve is arranged in the mounting hole, and the ejector rod (3) is sleeved in the guide sleeve.
3. The ejector pin device as claimed in claim 1, wherein the positioning pin (10) is provided with a rectangular hole (101) matched with the pressing plate (8).
4. Ram device according to claim 1, characterised in that part of the screw (7) is located inside the side channel (6).
5. A ram device according to claim 1, characterized in that a bearing is mounted on the end of the pressure plate (8), and an end of the screw rod (7) is sleeved in the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021400520.9U CN212736919U (en) | 2020-07-16 | 2020-07-16 | Ejector rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021400520.9U CN212736919U (en) | 2020-07-16 | 2020-07-16 | Ejector rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212736919U true CN212736919U (en) | 2021-03-19 |
Family
ID=75037922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021400520.9U Active CN212736919U (en) | 2020-07-16 | 2020-07-16 | Ejector rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212736919U (en) |
-
2020
- 2020-07-16 CN CN202021400520.9U patent/CN212736919U/en active Active
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