CN218000040U - Anti-rotation and oil leakage prevention structure for piston rod of injection cylinder of injection molding machine - Google Patents
Anti-rotation and oil leakage prevention structure for piston rod of injection cylinder of injection molding machine Download PDFInfo
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- CN218000040U CN218000040U CN202221946767.XU CN202221946767U CN218000040U CN 218000040 U CN218000040 U CN 218000040U CN 202221946767 U CN202221946767 U CN 202221946767U CN 218000040 U CN218000040 U CN 218000040U
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- molding machine
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 title claims description 10
- 239000007924 injection Substances 0.000 title claims description 10
- 230000002265 prevention Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 23
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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Abstract
The utility model discloses a leak protection oil structure is prevented changeing by piston rod of injection molding machine hydro-cylinder of moulding plastics, including the cylinder, a piston, the piston rod, the left side fixed connection fixed block of cylinder inner wall, the left side fixedly connected with of cylinder inner wall runs through the fixed block and extends to the gag lever post on its right side, the piston rod runs through the cylinder and extends to it inside, the piston rod is located the inside one end of cylinder and has seted up logical groove, the gag lever post is through leading groove and piston rod sliding connection, lead the oil groove to having seted up to the bottom of leading the inslot wall, the surface of piston is provided with left and right sides two sealing mechanism, and two sealing mechanism symmetries set up, piston and piston rod fixed surface are connected, the utility model relates to an injection molding machine technical field. This injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure stopper rod shape be the cuboid and with piston rod sliding connection, both can not hinder the piston like this and slide in the cylinder is inside, can restrict the piston rod again, avoid the piston rod to take place to deflect because of other factors.
Description
Technical Field
The utility model relates to an injection molding machine technical field specifically is an injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure that moulds plastics.
Background
An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into a vertical type, a horizontal type and an all-electric type, wherein the injection molding machine can heat the plastics and apply high pressure to the molten plastics to ensure that the molten plastics are injected to fill a die cavity of the die, and an injection molding machine oil cylinder is required to be used for injecting injection materials in the production and processing of the injection molding machine so as to ensure the normal operation of the injection molding machine.
A piston rod of an injection cylinder of an existing injection molding machine is prone to deflection during working, so that normal operation of the injection molding machine is affected, deflection of the piston rod can cause deformation of a sealing piece to cause oil leakage, and in addition, a common rubber sealing ring can deform to cause oil leakage when a piston moves.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure has solved the piston rod and has taken place to deflect and the sealed condition problem that leads to the oil leak well.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an injection molding machine hydro-cylinder of moulding plastics's piston rod prevents changeing leak protection oil structure includes cylinder, piston rod, the left side fixed connection fixed block of cylinder inner wall, the left side fixedly connected with of cylinder inner wall runs through the fixed block and extends to the gag lever post on its right side, the gag lever post shape is the cuboid, it is inside that the piston rod runs through the cylinder and extends to it, the piston rod is located the inside one end of cylinder and has seted up logical groove, the gag lever post is through leading groove and piston rod sliding connection, lead the oil groove to the bottom of inslot wall has been seted up, the surface of piston is provided with about two sealing mechanism, and two sealing mechanism symmetries set up.
Preferably, piston and piston rod fixed surface are connected, sealing mechanism establishes on the piston surface through the ring channel cover, sealing mechanism includes first sealing washer and sets up the ring channel on piston surface, the spacing groove has been seted up in the left side of first sealing washer, first sealing washer left side is provided with the seal ring lid, and the right side fixedly connected with of seal ring lid runs through to the connecting rod of spacing inslot portion, the connecting rod is located the spacing ball of one end fixedly connected with of spacing inslot portion.
Preferably, air holes are formed in the two sides of the surface of the cylinder barrel, a guide sleeve is fixed to the right side of the cylinder barrel through an end cover, and the guide sleeve is sleeved on the surface of the piston rod.
Preferably, the right side of the end cover is fixedly connected with a cylinder cover through a compression bolt, the piston rod penetrates through the cylinder cover and extends to the right side of the cylinder cover, and a lifting lug is fixedly connected to one end, located on the right side of the cylinder cover, of the piston rod.
Preferably, the piston rod surface just is located the guide sleeve inner sleeve and is equipped with the second sealing washer, the piston rod surface just is located the inside cover of cylinder cap and is equipped with the dust ring, the guide sleeve surface just is located the cylinder and is equipped with the third sealing washer through the draw-in groove cover.
Preferably, the right side of the fixing block is fixedly connected with a first cushion pad, and the left side of the guide sleeve is fixedly connected with a second cushion pad.
Advantageous effects
The utility model provides a piston rod of injection molding machine hydro-cylinder of moulding plastics prevents changeing leak protection oil structure. Compared with the prior art, the method has the following beneficial effects:
(1) This injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure, through including the cylinder, a piston, the piston rod, the left side fixed connection fixed block of cylinder inner wall, the left side fixedly connected with of cylinder inner wall runs through the fixed block and extends to its right side gag lever post, the piston rod runs through the cylinder and extends to inside, logical groove has been seted up to the inside one end that the piston rod is located the cylinder, the gag lever post is through leading groove and piston rod sliding connection, lead the oil groove has been seted up to the bottom that leads to the inslot wall, the gag lever post shape is the cuboid, and the piston rod is the cylinder, gag lever post and piston rod sliding connection, so both can not hinder the piston and slide in the cylinder inside, can restrict the piston rod again, avoid the piston rod to take place to deflect because pressure is too big or other factors.
(2) This injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure, two sealing mechanism about being provided with through the surface of piston, and two sealing mechanism symmetry sets up, piston and piston rod fixed surface are connected, sealing mechanism establishes on the piston surface through the ring channel cover, sealing mechanism includes first sealing washer and sets up the ring channel on the piston surface, the spacing groove has been seted up in the left side of first sealing washer, first sealing washer left side is provided with the seal ring lid, and the right side fixedly connected with of seal ring lid runs through to the connecting rod of spacing inslot portion, the connecting rod is located the spacing ball of the one end fixedly connected with of spacing inslot portion, can push the seal ring lid to first sealing washer when the piston removes, further strengthened sealed effect, sealing mechanism symmetry sets up, sealing mechanism can all play the guard action when the piston removes about, avoided the oil leak to lead to the device can not normally operated situation.
Drawings
FIG. 1 is an external view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a sectional view of the piston rod of the present invention;
fig. 4 is a cross-sectional view of the sealing mechanism of the present invention.
In the figure: 1 cylinder barrel, 2 pistons, 3 piston rods, 4 fixing blocks, 5 limiting rods, 6 through grooves, 7 sealing mechanisms, 71 first sealing rings, 72 annular grooves, 73 limiting grooves, 74 sealing ring covers, 75 connecting rods, 76 limiting balls, 8 air holes, 9 end covers, 10 guide sleeves, 11 compression bolts, 12 cylinder covers, 13 lifting lugs, 14 second sealing rings, 15 dust rings, 16 third sealing rings, 17 first cushion pads, 18 second cushion pads and 19 oil guide grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-4, the present invention provides a technical solution: the utility model provides an injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure includes cylinder 1, piston 2, piston rod 3, the left side fixed connection fixed block 4 of 1 inner wall of cylinder, the left side fixedly connected with of 1 inner wall of cylinder runs through fixed block 4 and extends to gag lever post 5 on its right side, the 5 shapes of gag lever post are the cuboid, piston rod 3 runs through cylinder 1 and extends to its inside, logical groove 6 has been seted up to the one end that piston rod 3 is located 1 inside of cylinder, gag lever post 5 is through leading groove 6 and 3 sliding connection of piston rod, lead to the bottom of 6 inner walls of groove and seted up oil groove 19, piston 2's surface is provided with two sealing mechanism 7 about, and two sealing mechanism 7 symmetries set up, no matter piston 2 is the motion left or right, sealing mechanism 7 can all play the guard action, reduce the oil leak rate.
Piston 2 and piston rod 3 fixed surface connection, sealing mechanism 7 establishes on piston 2 surface through ring channel 72 cover, sealing mechanism 7 includes first sealing washer 71 and sets up the ring channel 72 on piston 2 surface, spacing groove 73 has been seted up to the left side of first sealing washer 71, first sealing washer 71 left side is provided with sealing washer lid 74, and the right side fixedly connected with of sealing washer lid 74 runs through to the inside connecting rod 75 of spacing groove 73, connecting rod 75 is located the inside one end fixedly connected with spacing ball 76 of spacing groove 73, when piston 2 removed, sealing washer lid 74 removed and is close to first sealing washer 71 in spacing groove 73, thereby reach the effect of dual protection, effectively reduce the oil leak rate.
Pore 8 has all been seted up to 1 surperficial both sides of cylinder, 1 right side of cylinder is fixed with uide bushing 10 through end cover 9, uide bushing 10 cover is established on 3 surfaces of piston rod, 11 fixedly connected with cylinder cap 12 is passed through on end cover 9's right side, piston rod 3 runs through cylinder cap 12 and extends to its right side, the one end fixedly connected with lug 13 that piston rod 3 is located cylinder cap 12 right side, the piston rod 3 surface just is located the inside cover of uide bushing 10 and is equipped with second sealing washer 14, the piston rod 3 surface just is located the inside cover of cylinder cap 12 and is equipped with dust ring 15, dust ring 15 can prevent that outside dust from getting into inside 1 of cylinder, uide bushing 10 surface just is located inside the draw-in groove cover of cylinder 1 and is equipped with third sealing washer 16, the first blotter 17 of 4 right side fixedly connected with, uide bushing 10 left side fixedly connected with second blotter 18.
When the double-protection mechanism is used, after the cylinder 1 is connected with an external driving device, the piston 2 is driven to move, when the piston 2 moves rightwards, the air hole 8 on the left side is filled with air, the air hole on the right side is exhausted, when the piston 2 moves leftwards, the piston 2 moves, the sealing ring cover 7 positioned on the surface of the piston rod plays a role, when the piston 2 moves leftwards, the sealing ring cover 74 moves rightwards, the connecting rod 75 drives the limiting ball 76 to enter the limiting groove 73, at the moment, the sealing ring cover 74 presses the left side of the first sealing ring 71, so that first layer oil leakage protection is performed, if oil leakage occurs in the sealing ring cover 74, second layer oil leakage protection can be performed through the first sealing ring 71, when the piston 2 moves rightwards, the same oil leakage protection is performed on the piston 2, the oil leakage rate between the piston 2 and the inner wall of the cylinder 1 is greatly reduced, the piston 2 moves and drives the piston rod 3 to move on the surface of the limiting rod 5, the limiting rod 5 can prevent the piston rod 3 from deflecting, when the piston rod 3 moves leftwards, the piston rod 3 presents an extension state, and then shortens rightwards until the piston moves to contact with the first buffer 16 or the second buffer 17, and the inner wall of the piston rod 9, so that dust can enter the inner wall of the dust-preventing device 15 of the cylinder 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 injection molding machine hydro-cylinder's piston rod prevents changeing leak protection oil structure, includes cylinder (1), piston (2), piston rod (3), its characterized in that: the utility model discloses a piston cylinder, including cylinder (1), the left side fixed connection fixed block (4) of cylinder (1) inner wall, the left side fixedly connected with of cylinder (1) inner wall runs through fixed block (4) and extends to gag lever post (5) on its right side, gag lever post (5) shape is the cuboid, piston rod (3) run through cylinder (1) and extend to its inside, piston rod (3) are located the inside one end of cylinder (1) and have seted up logical groove (6), gag lever post (5) are through leading groove (6) and piston rod (3) sliding connection, lead to the bottom of groove (6) inner wall and have seted up oil guide groove (19), two sealing mechanism (7) about the surface of piston (2) is provided with, and two sealing mechanism (7) symmetry sets up.
2. The anti-rotation and anti-oil-leakage structure for the piston rod of the injection cylinder of the injection molding machine according to claim 1, which is characterized in that: piston (2) and piston rod (3) fixed surface are connected, sealing mechanism (7) are established piston (2) surface through ring channel (72) cover, sealing mechanism (7) include first sealing washer (71) and set up ring channel (72) on piston (2) surface, spacing groove (73) have been seted up in the left side of first sealing washer (71), first sealing washer (71) left side is provided with sealing washer lid (74), and the right side fixedly connected with of sealing washer lid (74) runs through to inside connecting rod (75) of spacing groove (73), connecting rod (75) are located the inside one end fixedly connected with spacing ball (76) of spacing groove (73).
3. The anti-rotation and anti-oil-leakage structure for the piston rod of the injection cylinder of the injection molding machine according to claim 1, which is characterized in that: the air holes (8) are formed in two sides of the surface of the cylinder barrel (1), the guide sleeve (10) is fixed on the right side of the cylinder barrel (1) through an end cover (9), and the guide sleeve (10) is sleeved on the surface of the piston rod (3).
4. The anti-rotation and anti-oil-leakage structure for the piston rod of the injection cylinder of the injection molding machine according to claim 3, characterized in that: the right side of end cover (9) is through clamp bolt (11) fixedly connected with cylinder cap (12), piston rod (3) run through cylinder cap (12) and extend to its right side, piston rod (3) are located one end fixedly connected with lug (13) on cylinder cap (12) right side.
5. The anti-rotation and anti-oil-leakage structure for the piston rod of the injection cylinder of the injection molding machine according to claim 3, characterized in that: piston rod (3) surface just is located the inside cover of uide bushing (10) and is equipped with second sealing washer (14), piston rod (3) surface just is located cylinder cap (12) inside cover and is equipped with dust ring (15), uide bushing (10) surface just is located cylinder (1) inside and is equipped with third sealing washer (16) through the draw-in groove cover.
6. The anti-rotation and anti-oil-leakage structure for the piston rod of the injection cylinder of the injection molding machine according to claim 3, characterized in that: the right side of the fixing block (4) is fixedly connected with a first cushion pad (17), and the left side of the guide sleeve (10) is fixedly connected with a second cushion pad (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946767.XU CN218000040U (en) | 2022-07-27 | 2022-07-27 | Anti-rotation and oil leakage prevention structure for piston rod of injection cylinder of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221946767.XU CN218000040U (en) | 2022-07-27 | 2022-07-27 | Anti-rotation and oil leakage prevention structure for piston rod of injection cylinder of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218000040U true CN218000040U (en) | 2022-12-09 |
Family
ID=84317655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221946767.XU Active CN218000040U (en) | 2022-07-27 | 2022-07-27 | Anti-rotation and oil leakage prevention structure for piston rod of injection cylinder of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218000040U (en) |
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2022
- 2022-07-27 CN CN202221946767.XU patent/CN218000040U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A piston rod anti rotation and anti oil leakage structure for injection cylinder of injection molding machine Granted publication date: 20221209 Pledgee: Foshan Rural Commercial Bank Co.,Ltd. Lanshi Branch Pledgor: Foshan Jietai Machinery Manufacturing Co.,Ltd. Registration number: Y2024980010652 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |