CN211820163U - One-way mode locking oil cylinder of two-plate die casting machine - Google Patents
One-way mode locking oil cylinder of two-plate die casting machine Download PDFInfo
- Publication number
- CN211820163U CN211820163U CN201922308885.2U CN201922308885U CN211820163U CN 211820163 U CN211820163 U CN 211820163U CN 201922308885 U CN201922308885 U CN 201922308885U CN 211820163 U CN211820163 U CN 211820163U
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- Prior art keywords
- mode locking
- locking cylinder
- cavity
- mode
- die casting
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- Expired - Fee Related
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- 238000004512 die casting Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a one-way mode locking hydro-cylinder of two board-like die casting machines, including the mode locking cylinder, mode locking cylinder one end is the blind end, the other end is the open end, the blind end terminal surface is equipped with the one number through-hole of passing big thick stick, be equipped with the mode locking piston in the mode locking cylinder, mode locking piston and big thick stick sliding contact, mode locking cylinder open end tip is equipped with the back lid, back lid and mode locking cylinder outer wall sliding contact, the mode locking cylinder, the mode locking piston, the back lid forms the mode locking cavity, mode locking piston outer wall is equipped with round annular lug and separates the mode locking cavity for two cavities around, annular lug and mode locking cylinder inner wall sliding contact, be located the preceding cavity of being of closed end department, be located the back cavity of being of open end department, preceding cavity department is equipped with the inlet port and is located the mode locking cylinder. The utility model discloses an action of well return is realized by compression spring, convenient and fast, and because only an oilhole exists, has reduced the oil leak probability.
Description
Technical Field
The utility model relates to a field die casting machine field especially relates to an one-way mode locking hydro-cylinder of two board-like die casting machines.
Background
The die casting machine is one of machines commonly used in the mechanical industry and is used for die casting and forming products. The traditional die casting machine mainly comprises six parts: the die-casting machine comprises a die-closing mechanism, an injection mechanism, a rack, a hydraulic driving mechanism, an electric control mechanism, a safety door and other safety protection mechanisms, wherein the die-closing mechanism and the injection mechanism are core components of the die-casting machine. The mode locking oil cylinder structure of the two-plate die casting machine in the prior art is only provided with a mode locking oil inlet, so that teeth are difficult to align when tooth positions between the mode locking sliding blocks and the large bar have deviation.
The patent number is "CN 105414517A", and the patent name "bidirectional mold locking cylinder structure of two-plate die casting machine" discloses a bidirectional mold locking cylinder in order to make the tooth position between the mold locking slide block and the large lever easily align when there is deviation, but this kind of bidirectional mold locking cylinder structure has two oil holes, but this kind of structure action is more, and the oil leak probability is big.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a one-way mode locking hydro-cylinder of two board-like die casting machines.
The utility model discloses an innovation point lies in that the action of return is realized by compression spring, convenient and fast, and because only an oilhole exists, has reduced the oil leak probability.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that: a one-way mold locking oil cylinder of a two-plate type die casting machine comprises a mold locking cylinder barrel sleeved on a large bar, one end of the mold locking cylinder barrel is a closed end, the other end of the mold locking cylinder barrel is an open end, the closed end of the mold locking cylinder barrel is connected to a movable mold plate, a first through hole penetrating through the large bar is formed in the end face of the closed end, a mold locking piston sleeved on the large bar is arranged in the mold locking cylinder barrel, the mold locking piston is in sliding contact with the large bar, a rear cover is arranged at the end part of the open end of, mode locking piston, back lid form the mode locking cavity, and mode locking piston outer wall is equipped with round annular lug and separates the mode locking cavity for two front and back cavities, and annular lug and mode locking cylinder inner wall sliding contact are located the cavity before being of closed end department, are located the cavity after being of open end department, and preceding cavity department is equipped with the inlet port and is located the mode locking cylinder, is equipped with a plurality of compression springs of arranging along big pole axial direction in the cavity of back.
Furthermore, the rear cover is provided with a plurality of second through holes parallel to the large bar, one end part of the compression spring is contacted with the annular convex block, and the other end part of the compression spring is blocked by a plug positioned in the second through hole. The elastic spring is convenient to replace when damaged.
Further, the compression spring is a nitrogen spring. Long service life and high elasticity.
Furthermore, copper sleeves are arranged at two end parts of the inner wall of the mold locking piston and connected with the mold locking piston, and the copper sleeves can slide on the large bar. The copper bush is more resistant to friction, and abrasion of the mold locking piston is avoided.
Furthermore, an annular guide head is arranged at one end, located at the closed end of the mold locking cylinder, of the mold locking piston, and the diameter of a first through hole of the mold locking cylinder is equal to the outer diameter of the annular guide head. The annular guide head plays a guiding role on one hand, and on the other hand, the bottom of the front cavity is prevented from being made of a large bar, the phenomenon of oil leakage after abrasion is easy to occur because the large bar moves in a reciprocating mode more, and the phenomenon of oil leakage can be reduced when the annular guide head is made of the bottom of the front cavity.
Further, the annular guide head, the annular convex block and the mold locking piston are integrally formed.
The utility model has the advantages that:
1. the utility model discloses an action of well return is realized by compression spring, convenient and fast, and because only an oilhole exists, has reduced the oil leak probability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram showing the positions of the one-way mold locking cylinder, the large bar and the movable template.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: a one-way mold locking oil cylinder of a two-plate type die casting machine comprises a mold locking cylinder barrel 1 sleeved on a large bar 17, one end of the mold locking cylinder barrel 1 is a closed end 2, the other end of the mold locking cylinder barrel 1 is an open end 3, the closed end 2 of the mold locking cylinder barrel 1 is connected to a movable mold plate 18, a first through hole 4 penetrating through the large bar 17 is formed in the end face of the closed end 2, a mold locking piston 5 sleeved on the large bar 17 is arranged in the mold locking cylinder barrel 4, the mold locking piston 5 is in sliding contact with the large bar 17, copper sleeves 15 are arranged at two end parts of the inner wall of the mold locking piston 5, the copper sleeves 15 are; and an annular guide head 16 is arranged at one end of the mold locking piston 5, which is positioned at the closed end 2 of the mold locking cylinder barrel 1, and the diameter of a first through hole 4 of the mold locking cylinder barrel 1 is equal to the outer diameter of the annular guide head 16. A rear cover 6 is arranged at the end part of an opening end 3 of a mode locking cylinder barrel 1, the rear cover 6 is in sliding contact with the outer wall of the mode locking cylinder barrel 1, a mode locking piston 5 and the rear cover 6 form a mode locking cavity 7, a circle of annular convex block 8 is arranged on the outer wall of the mode locking piston 5 to divide the mode locking cavity 7 into a front cavity and a rear cavity, and an annular guide head 16, the annular convex block 8 and the mode locking piston 5 are integrally; annular lug 8 and 1 inner wall sliding contact of mode locking cylinder, be located 2 departments of blind end for preceding cavity 9, be located 3 departments of open end for back cavity 10, preceding cavity 9 departments are equipped with inlet port 11 and are located mode locking cylinder 1, be equipped with a plurality of compression spring 12 of arranging along big thick stick 17 axial direction in the back cavity 10, compression spring 12 is nitrogen spring, be equipped with a plurality of and big thick stick 17 parallel No. two through-holes 13 on the back lid 6, compression spring 12 tip and the contact of annular lug 8, another tip is stopped up by the end cap 14 that is located No. two through-holes 13.
When the mould locking device works, the locking device connected with the rear end part of the mould locking piston 5 locks the large bar 17, the locking device is connected with the rear end part of the mould locking piston 5, the mould locking piston 5 is fixed and is filled with oil in the oil inlet hole 11, and the mould locking cylinder barrel 1 pushes the movable template 18 to move forwards under the thrust action of the oil; when the mold is returned, the front cavity 9 is drained, the compression spring in the rear cavity 10 pushes against the annular bump 8 to return the mold locking cylinder barrel 1 to the original position, the mold locking piston 5 and the locking device are still located at the original position, the locking device is loosened, and the tooth position deviation between the mold locking slide block of the locking device and the large bar cannot exist.
The described embodiments are only some, but not all embodiments of the invention. 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.
Claims (6)
1. A one-way mode locking oil cylinder of a two-plate die casting machine is characterized by comprising a mode locking cylinder barrel sleeved on a large bar, wherein one end of the mode locking cylinder barrel is a closed end, the other end of the mode locking cylinder barrel is an open end, the closed end of the mode locking cylinder barrel is connected to a movable template, a first through hole penetrating through the large bar is formed in the end face of the closed end, a mode locking piston sleeved on the large bar is arranged in the mode locking cylinder barrel, the mode locking piston is in sliding contact with the large bar, a rear cover is arranged at the end part of the open end of the mode, mode locking piston, back lid form the mode locking cavity, and mode locking piston outer wall is equipped with round annular lug and separates the mode locking cavity for two front and back cavities, and annular lug and mode locking cylinder inner wall sliding contact are located the cavity before being of closed end department, are located the cavity after being of open end department, and preceding cavity department is equipped with the inlet port and is located the mode locking cylinder, is equipped with a plurality of compression springs of arranging along big pole axial direction in the cavity of back.
2. The one-way die locking cylinder for two-plate die casting machines according to claim 1, wherein the rear cover has a plurality of second through holes parallel to the large bar, one end of the compression spring is in contact with the annular projection, and the other end is blocked by a stopper disposed in the second through hole.
3. The one-way mold locking cylinder of the two-plate die casting machine according to claim 2, wherein the compression spring is a nitrogen spring.
4. The one-way mold locking cylinder of the two-plate die casting machine according to claim 1, wherein the two ends of the inner wall of the mold locking piston are provided with copper sleeves, the copper sleeves are connected with the mold locking piston, and the copper sleeves can slide on the large bar.
5. The one-way mold locking oil cylinder of the two-plate die casting machine according to claim 1, wherein the mold locking piston is provided with an annular guide head at one end of the mold locking cylinder barrel at the closed end, and the diameter of the first through hole of the mold locking cylinder barrel is equal to the outer diameter of the annular guide head.
6. The one-way die locking oil cylinder of the two-plate die casting machine according to claim 5, wherein the annular guide head, the annular projection and the die locking piston are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308885.2U CN211820163U (en) | 2019-12-16 | 2019-12-16 | One-way mode locking oil cylinder of two-plate die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308885.2U CN211820163U (en) | 2019-12-16 | 2019-12-16 | One-way mode locking oil cylinder of two-plate die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211820163U true CN211820163U (en) | 2020-10-30 |
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ID=73034130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922308885.2U Expired - Fee Related CN211820163U (en) | 2019-12-16 | 2019-12-16 | One-way mode locking oil cylinder of two-plate die casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211820163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570772A (en) * | 2022-12-12 | 2023-01-06 | 张家港市友明机械制造有限公司 | Mould locking device with quick locking mechanism for blow molding machine |
-
2019
- 2019-12-16 CN CN201922308885.2U patent/CN211820163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115570772A (en) * | 2022-12-12 | 2023-01-06 | 张家港市友明机械制造有限公司 | Mould locking device with quick locking mechanism for blow molding machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |