CN216683187U - A bolt formula ejecting device for injection molding machine - Google Patents
A bolt formula ejecting device for injection molding machine Download PDFInfo
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- CN216683187U CN216683187U CN202122910373.0U CN202122910373U CN216683187U CN 216683187 U CN216683187 U CN 216683187U CN 202122910373 U CN202122910373 U CN 202122910373U CN 216683187 U CN216683187 U CN 216683187U
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- mounting seat
- movable plate
- injection molding
- ejector rod
- molding machine
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Abstract
The utility model relates to the technical field of injection molding machines, and provides a bolt type ejection device for an injection molding machine, which comprises: the hydraulic lifting device comprises a movable plate, an oil cylinder for driving the movable plate to move is arranged on one side of the movable plate, a mounting seat is arranged on the other side of the movable plate, bolt holes penetrating through the mounting seat are formed in the left side and the right side of the mounting seat, and ejector rod mounting holes which are communicated with the bolt holes and penetrate through the mounting seat are formed in the front side and the rear side of the mounting seat; the middle ejector rod is provided with a clamping part; the locking block is movably inserted into the bolt hole, and two bolts which are mutually clamped with the clamping part and are arranged in parallel are arranged on the locking block. Compared with the prior art, the utility model has the advantages that the bolt type connection between the middle ejector rod and the movable plate is realized through the mounting seat, the locking block and the clamping part on the middle ejector rod, the bolt type connection does not need too many auxiliary tools, the disassembly and the assembly of the middle ejector rod can be completed only by reversely pushing the locking block, and the operation mode is simpler and faster.
Description
Technical Field
The utility model relates to the technical field of injection molding machines, in particular to a plug pin type ejection device for an injection molding machine.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding apparatus for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and the injection molding machine can heat the plastics and apply high pressure to the molten plastics to inject the molten plastics to fill a mold cavity.
The ejection device is an important component of an injection molding machine, the ejection device is used for providing power for an ejection mechanism in a mold to eject a molded product out of the mold, the commonly used ejection device comprises an oil cylinder, a top plate and a central ejector rod, the central ejector rod is connected to the top plate in a threaded connection manner, when the tonnage of the die is not consistent, the central ejector rods which are required to be used are different, the disassembly between the top plate and the central ejector rods which are connected by the threads is complicated, and because the central mandril is subjected to reverse thrust from the mould during the working process of the injection molding machine, therefore, the threads between the central ejector rod and the top plate are often worn due to long service life, the worn central ejector rod needs a large number of tools and a large amount of time to be dismounted in the dismounting process, and the worn central ejector rod cannot be taken out even if the central ejector rod is worn seriously, so that the working efficiency of the injection molding machine is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art and provides a bolt type ejection device for an injection molding machine.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a pin type ejection device for an injection molding machine is provided, which comprises:
the movable plate is provided with an oil cylinder which drives the movable plate to move on one side, the other side of the movable plate is provided with a mounting seat, the mounting seat is detachably arranged in the middle of the movable plate, the left side and the right side of the mounting seat are provided with bolt holes which penetrate through the mounting seat, and the front side and the rear side of the mounting seat are provided with ejector rod mounting holes which are communicated with the bolt holes and penetrate through the mounting seat;
the middle ejector rod is provided with a clamping part;
the locking block is movably inserted in the bolt hole, and two parallel bolts are arranged on the locking block and are mutually clamped with the clamping part.
In the above-mentioned pin-type ejection device for an injection molding machine, the clamping portion is a first clamping groove formed by cutting off the side wall of the middle ejector rod in a rotating manner along the axial direction of the middle ejector rod, a first abutting block is arranged on one side of the first clamping groove, the diameter of the first clamping groove is smaller than the distance between the two pins, and the diameter of the first abutting block is larger than the distance between the two pins.
In the above bolt-type ejection device for an injection molding machine, the clamping portion is two second clamping grooves which are parallel to each other and formed by cutting off the side wall of the middle ejector rod along the radial direction of the middle ejector rod, a second abutting block is arranged on one side of each second clamping groove, the distance between the two second clamping grooves is smaller than the distance between the two bolts, and the diameter of the second abutting block is larger than the distance between the two bolts.
In the above-mentioned bolt-type ejection device for an injection molding machine, the top end of the mounting seat is provided with a threaded hole.
In the above-mentioned bolt-type ejection device for an injection molding machine, the movable plate is detachably provided with a plurality of side ejector rods arranged around the circumferential direction of the middle ejector rod.
In the above-mentioned plug pin type ejection device for an injection molding machine, a boosting cylinder is arranged on one side of the oil cylinder, the output end of the boosting cylinder is connected to the movable plate, and the boosting cylinder is electrically connected with the oil cylinder.
Compared with the prior art, the utility model has the advantages that the bolt type connection between the middle ejector rod and the movable plate is realized through the mounting seat, the locking block and the clamping part on the middle ejector rod, the bolt type connection does not need too many auxiliary tools, the disassembly and the assembly of the middle ejector rod can be completed only by reversely pushing the locking block, and the operation mode is simpler and faster.
Drawings
FIG. 1 is a perspective view of a latch type ejection device for an injection molding machine of the present invention;
FIG. 2 is an exploded view of a first embodiment of a plug ejection device mount, plug and intermediate ejector pin for an injection molding machine of the present invention;
FIG. 3 is an exploded view of a second embodiment of a plug ejection device mount, plug and intermediate ejector pin for an injection molding machine of the present invention;
in the figure, 1, a movable plate; 2. an oil cylinder; 3. a mounting seat; 4. a pin hole; 5. a mandril mounting hole; 6. a middle ejector rod; 7. a bolt; 8. a first card slot; 9. a second card slot; 10. a first abutting block; 11. a second abutting block; 12. a threaded hole; 13. a side ejector rod; 14. and a booster cylinder.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, a latch type ejector apparatus for an injection molding machine according to the present invention includes: the movable plate comprises a movable plate 1, wherein an oil cylinder 2 for driving the movable plate 1 to move is arranged on one side of the movable plate 1, a mounting seat 3 is arranged on the other side of the movable plate 1, the mounting seat 3 is detachably arranged in the middle of the movable plate 1, bolt holes 4 penetrating through the mounting seat 3 are formed in the left side and the right side of the mounting seat 3, and ejector rod mounting holes 5 communicated with the bolt holes 4 and penetrating through the mounting seat 3 are formed in the front side and the rear side of the mounting seat 3; the middle ejector rod 6 is provided with a clamping part; the latch segment, the latch segment activity is inserted and is established in bolt hole 4, is equipped with two and joint portion mutual joint and parallel arrangement's bolt 7 on the latch segment.
During installation, one side, provided with a clamping part, of the middle ejector rod 6 is inserted into the ejector rod installation hole 5, then the locking block is inserted into the installation seat 3 from one end of the bolt hole 4, after the locking block is inserted into the installation seat 3, a bolt 7 arranged on the locking block is clamped in the clamping part, and finally the whole ejection device is installed in an injection molding machine, and during operation, the oil cylinder 2 can drive the middle ejector rod 6 to move together by pushing the movable plate 1 to move; when the device is disassembled, the locking block is taken out of the bolt hole 4, when the device is taken out, a rod piece such as an ejector pin or a bolt and the like, which is smaller than the width of the bolt hole 4, can be used for ejecting the locking block from one side opposite to the direction of inserting the locking block into the bolt hole 4, and then the middle ejector rod 6 is taken out of the ejector rod mounting hole 5.
The following describes a specific structure of the engaging portion provided on the intermediate post 6 with reference to two specific embodiments.
Example one
As shown in fig. 2, the clamping portion is a first clamping groove 8 formed by cutting off the side wall of the middle ejector rod 6 along the axial direction of the middle ejector rod 6 in a rotating manner, a first abutting block 10 is arranged on one side of the first clamping groove 8, the diameter of the first clamping groove 8 is smaller than the distance between the two pins 7, and the diameter of the first abutting block 10 is larger than the distance between the two pins 7.
After the installation is completed, the two bolts 7 on the locking block are inserted into the first clamping groove 8, and the side wall of the first abutting block 10 abuts against the locking block, so that the degree of freedom of the middle ejector rod 6 along the axis direction of the middle ejector rod can be limited, in addition, the side wall of the middle ejector rod 6 abuts against the side wall of the ejector rod mounting hole 5 to limit the movement of the middle ejector rod in the radial direction, and the middle ejector rod 6 can be fixed in the mounting seat 3.
Example II
As shown in fig. 3, the clamping portion is two second clamping grooves 9 parallel to each other formed by cutting off the side wall of the middle ejector rod 6 along the radial direction of the middle ejector rod 6, a second abutting block 11 is arranged on one side of the second clamping groove 9, the distance between the two second clamping grooves 9 is smaller than the distance between the two pins 7, and the diameter of the second abutting block 11 is larger than the distance between the two pins 7.
After the installation is completed, the two bolts 7 on the locking block are respectively inserted into the two second clamping grooves 9, the side walls of the second abutting blocks 11 abut against the locking block, so that the degree of freedom of the middle ejector rod 6 along the axis direction can be limited, the same side walls of the middle ejector rod 6 abut against the side walls of the ejector rod mounting holes 5 to limit the movement of the middle ejector rod in the radial direction, and the middle ejector rod 6 can also be fixed in the mounting seat 3.
As shown in fig. 2 and fig. 3, as a preferred embodiment of the present invention, a threaded hole 12 is provided at the top end of the mounting seat 3, after the middle push rod 6 is mounted, a bolt is turned in the threaded hole 12 and the bottom end of the bolt abuts against the locking block, and after the bottom end of the bolt abuts against the locking block, the bolt hole 4 supports the locking block, so as to limit the locking block from sliding in the bolt hole 4.
As shown in fig. 1, the movable plate 1 is detachably provided with a plurality of side ejector rods 13 arranged around the circumference direction of the middle ejector rod 6, and the side ejector rods 13 can be used for increasing the contact area between the ejection device and a mold needing ejection, so that the stability of the ejection device is increased.
As shown in fig. 1, as another preferred embodiment of the present invention, a booster cylinder 14 is provided on one side of the cylinder 2, an output end of the booster cylinder 14 is connected to the movable plate 1, and the booster cylinder 14 is electrically connected to the cylinder 2, so that the booster cylinder 14 can increase the ejecting force of the cylinder 2, thereby increasing the ejecting torque of the ejector device, and the electrical connection with the cylinder 2 can make the operation between the booster cylinder 14 and the cylinder 2 more uniform.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the utility model as defined by the accompanying claims.
Claims (6)
1. A pin ejection device for an injection molding machine, comprising:
the movable plate is provided with an oil cylinder which drives the movable plate to move on one side, the other side of the movable plate is provided with a mounting seat, the mounting seat is detachably arranged in the middle of the movable plate, the left side and the right side of the mounting seat are provided with bolt holes which penetrate through the mounting seat, and the front side and the rear side of the mounting seat are provided with ejector rod mounting holes which are communicated with the bolt holes and penetrate through the mounting seat;
the middle ejector rod is provided with a clamping part;
the locking block is movably inserted in the bolt hole, and two parallel bolts are arranged on the locking block and are mutually clamped with the clamping part.
2. The pin ejection device for an injection molding machine according to claim 1, wherein the engaging portion is a first engaging groove formed by cutting off a side wall of the intermediate carrier rod in a direction of an axis of the intermediate carrier rod, a first abutting block is provided at one side of the first engaging groove, a diameter of the first engaging groove is smaller than a distance between two pins, and a diameter of the first abutting block is larger than a distance between two pins.
3. The pin ejection device for an injection molding machine according to claim 1, wherein the catching portion is two second catching grooves formed by cutting off the side wall of the intermediate head rod in the radial direction of the intermediate head rod, the second catching grooves are provided at one side thereof with a second abutting block, the distance between the two second catching grooves is smaller than the distance between the two pins, and the diameter of the second abutting block is larger than the distance between the two pins.
4. A pin ejection apparatus for an injection molding machine as claimed in claim 2 or 3, wherein the top end of the mounting block is provided with a threaded hole.
5. The latch type ejection device for an injection molding machine according to claim 1, wherein a plurality of side pins are detachably provided on the movable plate to surround a circumferential direction of the middle pin.
6. The pin ejection apparatus for an injection molding machine according to claim 1, wherein a booster cylinder is provided at one side of the cylinder, an output end of the booster cylinder is connected to the movable plate and the booster cylinder is electrically connected to the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122910373.0U CN216683187U (en) | 2021-11-24 | 2021-11-24 | A bolt formula ejecting device for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122910373.0U CN216683187U (en) | 2021-11-24 | 2021-11-24 | A bolt formula ejecting device for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683187U true CN216683187U (en) | 2022-06-07 |
Family
ID=81834825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122910373.0U Active CN216683187U (en) | 2021-11-24 | 2021-11-24 | A bolt formula ejecting device for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216683187U (en) |
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2021
- 2021-11-24 CN CN202122910373.0U patent/CN216683187U/en active Active
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