CN217233979U - Ejection oil cylinder for PET (polyethylene terephthalate) blank injection machine - Google Patents
Ejection oil cylinder for PET (polyethylene terephthalate) blank injection machine Download PDFInfo
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- CN217233979U CN217233979U CN202221205689.8U CN202221205689U CN217233979U CN 217233979 U CN217233979 U CN 217233979U CN 202221205689 U CN202221205689 U CN 202221205689U CN 217233979 U CN217233979 U CN 217233979U
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Abstract
The utility model discloses an ejection oil cylinder used on a PET embryo injection machine, which comprises a cylinder body shell, a main top, an auxiliary top and a hydraulic drive system, wherein a hydraulic drive end of the main top is arranged in the cylinder body shell in a sliding way, and an action end of the main top freely penetrates out of the cylinder body shell; the hydraulic driving end of the auxiliary top is slidably sleeved on the main top and is close to one side of the action end of the main top, and the action end of the auxiliary top is slidably sleeved on the outer side of the action end of the main top; the hydraulic driving system adopts hydraulic pressure to drive the main top and the auxiliary top to operate; compared with the prior art, the utility model, the ejecting hydro-cylinder of using on this PET notes embryo machine is through adopting the cooperation on main top and the assistance top, produces great ejecting power and ejecting speed very fast, can satisfy the demand of multicavity mould at the in-process of carrying out the drawing of patterns, makes the multicavity mould can the efficient drawing of patterns.
Description
Technical Field
The utility model relates to a hydro-cylinder technical field, concretely relates to ejecting hydro-cylinder of using on embryo machine is annotated to PET.
Background
The PET blank injection machine generally adopts a multi-cavity mold, and the multi-cavity mold needs a larger ejection force of an oil cylinder used in cooperation with the multi-cavity mold when demolding is carried out, so that the ejection speed is high; the ejection force of the oil cylinder is required to increase the diameter of an ejector pin of the oil cylinder, and the oil pressure is increased, so that the sealing of the oil cylinder is challenged; the diameter of the thimble of the oil cylinder needs to be reduced when the running speed of the oil cylinder is required to be high, the flow is increased, the volume of the oil cylinder needs to be increased, the cost is increased, the contradiction is solved, and the design of the thimble oil cylinder structure comprehensively balanced is very important.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model aims to provide an ejecting hydro-cylinder of using on embryo machine is annotated to PET to solve prior art, the multicavity mould is at the drawing of patterns in-process, and current hydro-cylinder can not satisfy simultaneously that the ejecting power is bigger and ejecting fast problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an ejection cylinder that uses on embryo machine is annotated to PET, includes:
a cylinder housing;
the hydraulic driving end of the main top is arranged in the cylinder body shell in a sliding mode, and the acting end of the main top freely penetrates out of the cylinder body shell;
the hydraulic driving end of the auxiliary top is slidably sleeved on the main top and is close to one side of the action end of the main top, and the action end of the auxiliary top is slidably sleeved on the outer side of the action end of the main top;
and the hydraulic driving system adopts hydraulic pressure to drive the main top and the auxiliary top to operate.
The working principle is as follows: at the moment of demoulding of the multi-cavity mould, the hydraulic driving system drives the main ejector and the auxiliary ejector to eject synchronously, the area of the formed ejection surface is large, the generated ejection force is large, and the process characteristic requirement of mould pressing at the moment of demoulding is met; the main top is long in stroke and the auxiliary top is short in stroke, so that after the auxiliary top is ejected in short stroke, the hydraulic driving system drives the main top to continue ejecting, the area of the formed ejection surface is small, the ejection speed is high, and the demolding is finished; the rear hydraulic driving system enables the main top and the auxiliary top to reset, the auxiliary top acts to reset first, and then the main top resets.
Compared with the prior art, the utility model discloses following beneficial effect has:
this ejecting hydro-cylinder that uses on PET notes embryo machine is through adopting the cooperation of main top with assisting the top, produces the great ejecting power and ejecting speed is very fast, can satisfy the demand that the multicavity mould is carrying out the drawing of patterns in-process, makes the multicavity mould can carry out the drawing of patterns by the efficient.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection joint according to an embodiment of the present invention;
fig. 3 is a partial cross-sectional view of fig. 2.
Reference numerals in the drawings of the specification include: the clamping device comprises a cylinder body shell 1, a main top 2, an auxiliary top 3, a connecting joint 4, a clamping mechanism 5, a clamping jaw 51, a magnetic isolation sheet 52, a locking box 53, a connecting rod 54, a guide frame 55, a magnetic block 56, a clamping block 57 and a guide inclined plane 58.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments:
as shown in fig. 1, the embodiment of the utility model provides an ejection cylinder for a PET embryo injection machine, which comprises a cylinder body shell 1, a main top 2, an auxiliary top 3 and a hydraulic drive system, wherein the hydraulic drive end of the main top 2 is slidably arranged in the cylinder body shell 1, and the action end of the main top 2 freely penetrates out of the cylinder body shell 1; the hydraulic driving end of the auxiliary top 3 is slidably sleeved on the main top 2 and is close to one side of the action end of the main top 2, and the action end of the auxiliary top 3 is slidably sleeved on the outer side of the action end of the main top 2; the hydraulic driving system adopts hydraulic pressure to drive the main roof 2 and the auxiliary roof 3 to operate.
The hydraulic driving system comprises an oil path channel formed in the cylinder body shell 1, an oil guide hose connected outside the cylinder body shell 1 and a hydraulic oil driver communicated with the oil guide hose; the hydraulic oil driver generates power to lead hydraulic oil into the oil path channel after the oil guide hose flows to provide power for the operation of the main top 2 and the auxiliary top 3, and the flow of the hydraulic oil is a recyclable adjusting process to enable the main top 2 and the auxiliary top 3 to be reset after being ejected; the hydraulic driving system can be a system for driving the piston rod to operate by an existing oil cylinder.
In the present embodiment, the main top 2 and the auxiliary top 3 are each fitted with an oil inlet and an oil return port provided in the cylinder housing 1.
When the multi-cavity mold is demolded: at the instant of demoulding of the multi-cavity mould, hydraulic oil is introduced from the two oil inlets, and is led out from the two oil return ports after passing through the oil path channel in the cylinder body shell 1 to drive the main ejector 2 and the auxiliary ejector 3 to be synchronously ejected, so that the area of the formed ejection surface is large, the generated ejection force is large, and the process characteristic requirement of mould pressing at the instant of demoulding is met; because the stroke of the main top 2 is long, and the stroke of the auxiliary top 3 is short, after the auxiliary top 3 is ejected out by short stroke, the hydraulic oil drives the main top 2 to continue ejecting, the area of the formed ejection surface is small, the ejection speed is high, and the demolding is finished; the rear hydraulic oil is led in from the two oil return ports, and is led out from the two oil inlets after passing through an oil path channel in the cylinder body shell 1, so that the main top 2 and the auxiliary top 3 are reset, the auxiliary top 3 is reset by action first, and the rear main top 2 is reset.
This ejecting cylinder that uses on PET notes embryo machine is through adopting the cooperation of main top 2 with assist top 3, produces bigger ejecting power and ejecting speed very fast, can satisfy the demand that the multicavity mould is carrying out the drawing of patterns in-process, makes the multicavity mould can carry out the drawing of patterns by the efficient.
As shown in fig. 2 and fig. 3, according to another embodiment of the present invention, the ejection cylinder for a PET embryo injection machine is provided, wherein a plurality of connection joints 4 matched with a hydraulic driving system are provided on the cylinder body housing 1, and a clamping mechanism 5 is provided on the connection joints 4; the clamping mechanism 5 is used for clamping and fixing the oil guide hose sleeved on the connecting joint 4.
In this embodiment, a plurality of connection joints 4 are connected to the oil inlet and the oil return opening in a one-to-one correspondence manner, so as to be connected with the oil guide hose quickly and conveniently to guide in or guide out hydraulic oil. The oil guide hose can be stably and quickly connected with the connecting joint 4 through the matching of the connecting joint 4 and the clamping mechanism 5.
The section of the connecting joint 4, which is used for being connected with the oil guide hose, is in a circular truncated cone shape, and the section of the connecting joint 4 in the circular truncated cone shape is gradually increased from the opening of the connecting joint to the other end of the connecting joint, so that one end of the oil guide hose is conveniently and quickly sleeved on the connecting joint 4; meanwhile, an included angle between a side line formed by the inner wall of a section of the connecting joint 4 in a circular truncated cone shape along the axial direction and the central axis of the connecting joint 4 is 10-15 degrees, so that the oil guide hose is prevented from being damaged due to overlarge deformation after the oil guide hose is sleeved on the connecting joint 4.
As shown in fig. 2, according to another embodiment of the present invention, the ejection cylinder for a PET preform injection machine is provided, wherein the clamping mechanism 5 includes a clamping jaw 51, a locking structure, and a magnetism isolating sheet 52; the two clamping jaws 51 are oppositely arranged, and one ends of the two clamping jaws 51 are rotatably connected with the outer wall of the connecting joint 4; the locking structure is connected between the middle parts of the two clamping jaws 51 and is used for locking in a magnetic connection mode; the magnetic shield 52 is coupled to the locking structure for isolating or maintaining the magnetic coupling of the locking structure.
After one end of the oil guide hose is sleeved on the connecting joint 4, the two clamping jaws 51 clamp the oil guide hose, and the oil guide hose is locked and fixed in a magnetic connection mode through a locking structure, so that the oil guide hose and the connecting joint 4 are stably connected together; when the oil hose is disassembled, the magnetic connection of the locking structure is isolated through the magnetic isolation sheet 52, the oil hose is separated from the clamping and fixing of the oil hose by the two clamping jaws 51, and the oil hose can be removed from the connecting joint 4.
The adopted locking structure comprises a locking box 53 and a magnetic suction locking part;
the locking box 53 is connected with the middle part of each clamping jaw 51 through a connecting rod 54, one end of each connecting rod 54 is fixedly connected with the corresponding clamping jaw 51, and the other end of each connecting rod 54 is connected in the locking box 53 in a sliding manner; a penetrating notch communicated with the inside of the locking box 53 is formed in the side wall of the locking box 53, one end of the magnetism isolating sheet 52 is rotatably arranged in the locking box 53, and the other end of the magnetism isolating sheet 52 can freely penetrate through the penetrating notch to enable the magnetism isolating sheet 52 to move inside and outside the locking box 53;
the two magnetic attraction locking parts are movably arranged in the locking box 53 and are oppositely arranged on different sides of the magnetism isolating sheet 52, and the two magnetic attraction locking parts and the two connecting rods 54 are fixedly connected with the end parts of the locking box 53 in a one-to-one correspondence manner;
the magnetic shielding sheet 52 separates or keeps the magnetic connection of the two magnetic locking parts in the inner and outer movement of the locking box 53.
During connection, one end of the oil guide hose is sleeved on the connecting joint 4, the two clamping jaws 51 are rotated to clamp the oil guide hose, then the magnetic isolation sheet 52 is rotated out of the locking box 53, the two magnetic locking parts attract each other magnetically to enable the two connecting rods 54 to move oppositely, and the two clamping jaws 51 clamp and fix the oil guide hose; when the oil guide hose is disassembled, the magnetic shielding sheet 52 is rotated into the locking box 53 from the position penetrating out of the notch to be positioned between the two magnetic attraction locking parts, the two magnetic attraction locking parts are separated, the magnetic adsorption between the two magnetic attraction locking parts disappears, the locking force between the two clamping jaws 51 disappears, the two clamping jaws 51 rotate away from each other to separate the oil guide hose from the clamping, and the oil guide hose can be moved out of the connecting joint 4.
Further, each specifically adopted magnetic attraction locking part comprises a guide frame 55 and a magnetic block 56; the guide frame 55 is fixedly connected with the corresponding connecting rod 54, and one end of the guide frame 55 is provided with an opening; the magnetic block 56 is arranged in the guide frame 55 in a sliding manner and is connected with the inner wall of the guide frame 55 through a supporting spring, and meanwhile, the magnetic block 56 can freely pass through the opening; the magnetic blocks 56 in the two magnetic latching parts are arranged oppositely and have opposite magnetic poles, that is, one of the two magnetic blocks 56 is the N-pole magnetic block 56, the other one is the S-pole magnetic block 56, and one of the magnetic blocks 56 can be replaced by an iron block.
The magnetic separation sheet 52 is rotated between the two magnetic blocks 56, the magnetic adsorption between the two magnetic blocks 56 disappears, and the locking force between the two clamping jaws 51 disappears; when the magnetic separation sheet 52 is removed from between the two magnetic blocks 56, the magnetic blocks 56 generate magnetic adsorption, and the guide frame 55 is pulled by the support spring to drive the connecting rod 54 connected with the guide frame 55 to move, so that the two connecting rods 54 move oppositely to generate locking force between the two clamping jaws 51; the guide frame 55 guides the movement of the magnetic block 56, and the support spring can also provide a certain buffer force, so that the clamping force generated on the oil guide hose is prevented from being too large.
In order to enable the magnetic shielding sheet 52 to rapidly move between the two magnetic blocks 56 for isolation, the opposite ends of the two magnetic blocks 56, which are close to the sides penetrating through the notches, are provided with guide inclined surfaces 58, the magnetic shielding sheet 52 is provided with a separation cone matched with the guide inclined surfaces 58 of the two magnetic blocks 56, and the separation cone is in sliding contact with the guide inclined surfaces 58 of the two magnetic blocks 56.
When the magnetic shielding sheet 52 is rotated between the two magnetic blocks 56, the separation cone of the magnetic shielding sheet 52 is inserted between the guide slopes 58 of the two magnetic blocks 56 to rapidly separate the two magnetic blocks 56, so that the oil hose can be rapidly disassembled.
As shown in fig. 2, according to another embodiment of the present invention, in the ejection cylinder for the PET embryo injecting machine, each of the clamping ends of the clamping jaws 51 has a plurality of clamping blocks 57 distributed along the axial direction thereof at intervals.
In the present embodiment, the number of the clamping blocks 57 on each clamping jaw 51 is three, and all the clamping blocks are arc-shaped blocks; the clamping stability of the connected oil guide hose is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides an ejecting hydro-cylinder that uses on embryo machine is annotated to PET which characterized in that includes:
a cylinder housing;
the hydraulic driving end of the main top is arranged in the cylinder body shell in a sliding mode, and the acting end of the main top freely penetrates out of the cylinder body shell;
the hydraulic driving end of the auxiliary top is slidably sleeved on the main top and is close to one side of the action end of the main top, and the action end of the auxiliary top is slidably sleeved on the outer side of the action end of the main top;
and the hydraulic driving system adopts hydraulic pressure to drive the main top and the auxiliary top to operate.
2. The ejection oil cylinder for the PET embryo injection machine according to claim 1, characterized in that: a plurality of connecting joints matched with the hydraulic driving system are arranged on the cylinder body shell, and a clamping mechanism is arranged on each connecting joint in a matched manner; the clamping mechanism is used for clamping and fixing the oil guide hose sleeved on the connecting joint.
3. The ejection oil cylinder for the PET preform injection machine according to claim 2, characterized in that: the connecting joint is used for being in a round table shape with one section connected with the oil guide hose, and the section of the connecting joint in the round table shape is gradually increased from the caliber of the opening of the connecting joint to the other end of the connecting joint.
4. The ejection oil cylinder for the PET embryo injection machine according to claim 3, characterized in that: an included angle between a side line formed by the inner wall of the truncated cone-shaped section of the connecting joint along the axial direction and the central axis of the connecting joint is 10-15 degrees.
5. The ejection oil cylinder for the PET embryo injection machine according to claim 2, characterized in that: the fixture includes:
the two clamping jaws are oppositely arranged, and one ends of the two clamping jaws are rotatably connected with the outer wall of the connecting joint;
the locking structure is connected between the middle parts of the two clamping jaws and used for locking in a magnetic connection mode;
and the magnetism isolating sheet is connected with the locking structure and is used for isolating or keeping the magnetic connection of the locking structure.
6. The ejection oil cylinder for the PET preform injection machine according to claim 5, characterized in that: the locking structure includes:
the locking box is connected with the middle part of each clamping jaw through a connecting rod, one end of each connecting rod is fixedly connected with the corresponding clamping jaw, and the other end of each connecting rod is connected in the locking box in a sliding manner; the side wall of the locking box is provided with a penetrating notch communicated with the inside of the locking box, one end of the magnetism isolating sheet is rotatably arranged in the locking box, and the other end of the magnetism isolating sheet can freely penetrate through the penetrating notch to enable the magnetism isolating sheet to move inside and outside the locking box;
the magnetic attraction locking parts are movably arranged in the locking box and are oppositely arranged on different sides of the magnetism isolating sheet, and the two magnetic attraction locking parts and the end parts of the two connecting rods which are arranged in the locking box are fixedly connected in a one-to-one correspondence manner;
the magnetic separation sheet separates or keeps the magnetic connection of the two magnetic locking parts in the process of moving inside and outside the locking box.
7. The ejection oil cylinder for the PET embryo injection machine according to claim 6, characterized in that: every magnetism is inhaled locking part and is all included:
the guide frames are fixedly connected with the corresponding connecting rods, and one end of each guide frame is provided with an opening;
the magnetic block is arranged in the guide frame in a sliding mode and is connected with the inner wall of the guide frame through a supporting spring, and meanwhile the magnetic block can freely penetrate through the opening;
the magnetic blocks in the two magnetic attraction locking parts are arranged oppositely and have opposite magnetic poles.
8. The ejection oil cylinder for the PET preform injection machine according to claim 7, characterized in that: the opposite ends of the two magnetic blocks are provided with guide inclined planes at one side close to the penetrating notch, the magnetic isolation sheet is provided with a separation pyramid part matched with the guide inclined planes of the two magnetic blocks, and the separation pyramid part is in sliding and abutting contact with the guide inclined planes of the two magnetic blocks.
9. The ejection oil cylinder for the PET embryo injection machine according to claim 5, characterized in that: and a plurality of clamping blocks are distributed at intervals along the axial direction of the clamping end of each clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205689.8U CN217233979U (en) | 2022-05-19 | 2022-05-19 | Ejection oil cylinder for PET (polyethylene terephthalate) blank injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205689.8U CN217233979U (en) | 2022-05-19 | 2022-05-19 | Ejection oil cylinder for PET (polyethylene terephthalate) blank injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217233979U true CN217233979U (en) | 2022-08-19 |
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ID=82823380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221205689.8U Active CN217233979U (en) | 2022-05-19 | 2022-05-19 | Ejection oil cylinder for PET (polyethylene terephthalate) blank injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217233979U (en) |
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2022
- 2022-05-19 CN CN202221205689.8U patent/CN217233979U/en active Active
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