CN202391846U - Forming and punching combined oil cylinder - Google Patents
Forming and punching combined oil cylinder Download PDFInfo
- Publication number
- CN202391846U CN202391846U CN2011205207842U CN201120520784U CN202391846U CN 202391846 U CN202391846 U CN 202391846U CN 2011205207842 U CN2011205207842 U CN 2011205207842U CN 201120520784 U CN201120520784 U CN 201120520784U CN 202391846 U CN202391846 U CN 202391846U
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- CN
- China
- Prior art keywords
- punching
- moulding
- oil
- back chamber
- plunger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A forming and punching combined oil cylinder comprises a cylinder body part, a forming part and a punching part, wherein the cylinder body part comprises a cylinder body, a cylinder cover, a stamping oil chamber and a forming return oil path, wherein the cylinder body and the cylinder cover are both in a cylindrical structure, and the cylinder body is provided with a step-shaped inner cavity; the forming part comprises a forming plunger and a forming seal groove ring, the forming plunger is provided with a step-shaped outer surface which corresponds to the step-shaped inner cavity of the cylinder body, and the forming plunger is arranged in the inner cavity of the cylinder body; the punching part comprises a punching plunger and a punching seal groove ring, the punching plunger is a solid one and is provided with a step-shaped outer surface which corresponds to the step-shaped inner cavity of the forming plunger, and the punching plunger is arranged in the step-shaped inner cavity of the forming plunger.
Description
Technical field
The utility model relates to a kind of cold stamping instrument of field of machining, particularly a kind of forming and punching combined oil cylinder that is used for the brake forming cutting-off die.
Background technique
Mostly the oil cylinder of hydraulic system use now is the oil cylinder of single action; Be the action that oil cylinder can only be accomplished simple function, and in the machining cold stamping process some product both needed moulding need punching on the product of moulding, present way is that part is moulding and then punching on another station on a station earlier; Because twice clamping; Hole of rushing out and profile coaxality are low, and the multiple operation transhipment, and manufacturing efficiency is low.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiency of existing technology and a kind of moulding and the punching that can accomplish in same operation is provided, and guarantees the forming and punching combined oil cylinder of hole positional accuracy in profiled member.
The technological scheme of the utility model is: a kind of forming and punching combined oil cylinder, it comprises cylinder part, moulding section and punching part.
Described cylinder part comprises: cylinder body, cylinder cap, cylinder cover screw hole, cylinder cover screw, snap ring back-up ring, tapped hole, punching press oil pocket, first tapped hole, second tapped hole, the first moulding oil back chamber oil circuit, the second moulding oil back chamber oil circuit, wear-resistant sleeve, screw, sunk screw hole, and cylinder body all becomes cylindrical structural with cylinder cap, and the inner chamber of cylinder body becomes step shape; Cylinder cover screw passes the top that cylinder cover screw hole on the cylinder cap is fixed on cylinder cap cylinder body; The snap ring back-up ring is fixed on the below of punching press oil pocket in the inner chamber of cylinder block, and the cylinder body right side has first tapped hole, second tapped hole, and first tapped hole connects the first moulding oil back chamber oil circuit; Second tapped hole connects the second moulding oil back chamber oil circuit; Bottom, cylinder body left side has the sunk screw hole, and screw passes the fixing even wear-resistant sleeve in sunk screw hole and connects cylinder body, and the centre of cylinder cap has tapped hole; Two limits of cylinder cap have the cylinder cover screw hole; The cylinder cap below forms the punching press oil pocket, and the snap ring back-up ring is fixed on the below of punching press oil pocket in the inner chamber of cylinder block, and the cylinder body right side has first tapped hole, second tapped hole; First tapped hole connects the first moulding oil back chamber oil circuit; Second tapped hole connects the second moulding oil back chamber oil circuit, and bottom, cylinder body left side has the sunk screw hole, and screw passes the fixing even wear-resistant sleeve in sunk screw hole and connects cylinder body.
Described moulding section comprises: moulding plunger, moulding sealing grooved ring, the first moulding oil back chamber, the second moulding oil back chamber, the first punching oil back chamber oil circuit, the second punching oil back chamber oil circuit; The outer surface of moulding plunger becomes step shape corresponding with the inner chamber rank shape of cylinder body; Inner chamber also becomes step shape, and the moulding plunger is placed in the inner chamber of cylinder body, and moulding sealing grooved ring is arranged at the top of moulding plunger; The right side has the first punching oil back chamber oil circuit, the second punching oil back chamber oil circuit; Form the first moulding oil back chamber, the second moulding oil back chamber at the trapezoidal place of moulding plunger and cylinder body, first moulding oil back chamber the right connects the first moulding oil back chamber oil circuit, and the left side connects the first punching oil back chamber oil circuit; Second moulding oil back chamber the right connects the second moulding oil back chamber oil circuit, and the left side connects the second punching oil back chamber oil circuit.
Described punching partly comprises: punching plunger, punching sealing grooved ring; The first punching oil back chamber, the second punching oil back chamber, the punching plunger is a solid body, the outside is a step shape; Corresponding with the step shape of moulding plunger cavity; The punching plunger is placed in the inner chamber of moulding plunger step shape phase, and punching sealing grooved ring is equipped with on the top of punching plunger, forms the first punching oil back chamber, the second punching oil back chamber at the stairstepping place of punching plunger and moulding plunger; First punching oil back chamber the right connects the left end of the first punching oil back chamber oil circuit, and second punching oil back chamber the right connects the left end of the second punching oil back chamber oil circuit.
The utility model compared with prior art has following characteristics: can accomplish moulding and punching in same operation, guarantee the precision of position in profiled member, hole.
Further describe below in conjunction with accompanying drawing and embodiment detailed structure the utility model.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is the structural representation of cylinder cap;
Accompanying drawing 3 is accompanying drawing 2 worm's eye views;
Accompanying drawing 4 is a shaping column plug structure schematic representation;
Accompanying drawing 5 is punching piston structure schematic representation.
Embodiment
Shown in accompanying drawing: a kind of forming and punching combined oil cylinder, it comprises cylinder part, moulding section, punching part.
Described cylinder part comprises: cylinder body 12, cylinder cap 2, cylinder cover screw hole 2-1, cylinder cover screw 3, snap ring back-up ring 4, tapped hole 1, punching press oil pocket 15, first tapped hole 6, second tapped hole 8, the first moulding oil back chamber oil circuit 22, the second moulding oil back chamber oil circuit 24, wear-resistant sleeve 11, screw 13, sunk screw hole 14; Cylinder body 12 all becomes cylindrical structural with cylinder cap 2; The inner chamber of cylinder body 12 becomes step shape; Cylinder cover screw 3 passes the top that cylinder cover screw hole 2-1 on the cylinder cap 2 is fixed on cylinder cap 2 cylinder body 12; The centre of cylinder cap 2 has tapped hole 1, and two limits of cylinder cap 2 have cylinder cover screw hole 2-1, and cylinder cap 2 belows form punching press oil pocket 15; Snap ring back-up ring 4 is fixed on the below of punching press oil pocket 15 in cylinder body 12 inner chambers; Cylinder body 12 right sides have first tapped hole 6, second tapped hole, 8, the first tapped holes 6 connect the first moulding oil back chamber oil circuit, 22, the second tapped holes 8 and connect the second moulding oil back chamber oil circuit 24; Bottom, cylinder body 12 left side has sunk screw hole 14, and screw 13 passes sunk screw hole 14 fixing even wear-resistant sleeves 11 and connects cylinder body 12.
Described moulding section comprises: moulding plunger 5, moulding sealing grooved ring 7, the first moulding oil back chamber 17, the second moulding oil back chamber 19, the first punching oil back chamber oil circuit 21, the second punching oil back chamber oil circuit 23; The outer surface of moulding plunger 5 becomes step shape corresponding with the inner chamber rank shape of cylinder body 12; Inner chamber also becomes step shape; Moulding plunger 5 is placed in the inner chamber of cylinder body 12; One moulding sealing grooved ring 7 is arranged at the top of moulding plunger 5, and the right side has the first punching oil back chamber oil circuit 21, the second punching oil back chamber oil circuit 23, forms the first moulding oil back chamber 17, the second moulding oil back chamber 19 at the trapezoidal place of moulding plunger 5 and cylinder body 12; The first moulding oil back chamber, 17 the right connect the first moulding oil back chamber oil circuit 22; The left side connects the first punching oil back chamber oil circuit, 21, the second moulding oil back chambers, 19 the right and connects the second moulding oil back chamber oil circuit 24, and the left side connects the second punching oil back chamber oil circuit 23.
Described punching partly comprises: punching plunger 10, punching seal groove 10-1, punching sealing grooved ring 20; The first punching oil back chamber 16, the second punching oil back chamber 18; Punching plunger 10 is a solid body; The outside is a step shape, and is corresponding with the step shape of moulding plunger 5 inner chambers, and punching plunger 10 is placed in the inner chamber of moulding plunger 5 step shape phases; Punching sealing grooved ring 20 is housed in the punching seal groove 10-1 of punching plunger 10; Form the left end that the first punching oil back chamber 16, the second punching oil back chamber, 18, the first punching oil back chambers, 16 the right connect the first punching oil back chamber oil circuit 21 at the stairstepping place of punching plunger 10 and moulding plunger 5, the second punching oil back chamber, 18 the right connect the left end of the second punching oil back chamber oil circuit 23.
The working principle and the method for using of the utility model are: punching plunger 10 and moulding plunger 5 are under free state, and the lower end surface is concordant, and moulding plunger 5 all is designed to the T type with punching plunger 10; Cylinder cap 2 also is designed to the T type; Cylinder cap 2 is transition fit with cylinder body 12 cooperation places, the upward position of snap ring back-up ring 4 restriction punching plungers 10, and cylinder cap 2 following last interplanars with moulding plunger 5 and punching plunger 10 form oil pocket; The pressure oil of oil pump input gets into punching press oil pocket 15 through tapped hole 1; Between the fitting surface of cylinder body 12 inner chambers and moulding plunger 5, be provided with sealing grooved ring 7 between the fitting surface of moulding plunger 5 inner chambers and punching plunger 10 respectively, realize sealing to pressure oil; Between the cylindrical of cylinder body 12 bottom endoporus and moulding plunger 5, be provided with wear-resistant sleeve; Between wear-resistant sleeve 11 and cylinder body 12 endoporus are interference fit, at moulding plunger 5 and the tangible mould 9 in punching plunger 10 lower plane bottoms, have punching 25 on the shaping die 9.
The breakout pressure machine, oil pump work, pressure oil is through oil pump and hydraulic press internal high pressure oil connection; Tapped hole 1 through cylinder cap 2 tops gets into punching press oil pocket 15, and the pressure in the punching press oil pocket 15 rises, and promotes moulding plunger 5 and moves down; Need the shaping plate be placed on shaping die 9 and bend into the U type, then the punching plunger continues 10 descendingly, realizes need the be shaped punching of plate of U shape; The selector valve switching-over, the pressure oil in the oil back chamber flows back to fuel tank through oil back chamber oil circuit, first tapped hole 6 and second tapped hole 8.
Claims (1)
1. forming and punching combined oil cylinder, it is characterized in that: it comprises cylinder part, moulding section and punching part; Cylinder part comprises: cylinder body, cylinder cap, cylinder cover screw hole, cylinder cover screw, snap ring back-up ring, tapped hole, punching press oil pocket, first tapped hole, second tapped hole, the first moulding oil back chamber oil circuit, the second moulding oil back chamber oil circuit, wear-resistant sleeve, screw, sunk screw hole, and cylinder body all becomes cylindrical structural with cylinder cap, and the inner chamber of cylinder body becomes step shape; Cylinder cover screw passes the top that cylinder cover screw hole on the cylinder cap is fixed on cylinder cap cylinder body; The snap ring back-up ring is fixed on the below of punching press oil pocket in the inner chamber of cylinder block, and the cylinder body right side has first tapped hole, second tapped hole, and first tapped hole connects the first moulding oil back chamber oil circuit; Second tapped hole connects the second moulding oil back chamber oil circuit; Bottom, cylinder body left side has the sunk screw hole, and screw passes the fixing even wear-resistant sleeve in sunk screw hole and connects cylinder body, and the centre of cylinder cap has tapped hole; Two limits of cylinder cap have the cylinder cover screw hole; The cylinder cap below forms the punching press oil pocket, and the snap ring back-up ring is fixed on the below of punching press oil pocket in the inner chamber of cylinder block, and the cylinder body right side has first tapped hole, second tapped hole; First tapped hole connects the first moulding oil back chamber oil circuit; Second tapped hole connects the second moulding oil back chamber oil circuit, and bottom, cylinder body left side has the sunk screw hole, and screw passes the fixing even wear-resistant sleeve in sunk screw hole and connects cylinder body; Moulding section comprises: moulding plunger, moulding sealing grooved ring, the first moulding oil back chamber, the second moulding oil back chamber, the first punching oil back chamber oil circuit, the second punching oil back chamber oil circuit; The outer surface of moulding plunger becomes step shape corresponding with the inner chamber rank shape of cylinder body; Inner chamber also becomes step shape, and the moulding plunger is placed in the inner chamber of cylinder body, and moulding sealing grooved ring is arranged at the top of moulding plunger; The right side has the first punching oil back chamber oil circuit, the second punching oil back chamber oil circuit; Form the first moulding oil back chamber, the second moulding oil back chamber at the trapezoidal place of moulding plunger and cylinder body, first moulding oil back chamber the right connects the first moulding oil back chamber oil circuit, and the left side connects the first punching oil back chamber oil circuit; Second moulding oil back chamber the right connects the second moulding oil back chamber oil circuit, and the left side connects the second punching oil back chamber oil circuit; Punching partly comprises: punching plunger, punching sealing grooved ring; The first punching oil back chamber, the second punching oil back chamber, the punching plunger is a solid body, the outside is a step shape; Corresponding with the step shape of moulding plunger cavity; The punching plunger is placed in the inner chamber of moulding plunger step shape phase, and punching sealing grooved ring is equipped with on the top of punching plunger, forms the first punching oil back chamber, the second punching oil back chamber at the stairstepping place of punching plunger and moulding plunger; First punching oil back chamber the right connects the left end of the first punching oil back chamber oil circuit, and second punching oil back chamber the right connects the left end of the second punching oil back chamber oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207842U CN202391846U (en) | 2011-12-14 | 2011-12-14 | Forming and punching combined oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205207842U CN202391846U (en) | 2011-12-14 | 2011-12-14 | Forming and punching combined oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391846U true CN202391846U (en) | 2012-08-22 |
Family
ID=46666775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205207842U Expired - Fee Related CN202391846U (en) | 2011-12-14 | 2011-12-14 | Forming and punching combined oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400972A (en) * | 2011-12-14 | 2012-04-04 | 衡阳风顺车桥有限公司 | Forming and punching combined oil cylinder |
| CN102996571A (en) * | 2012-10-30 | 2013-03-27 | 无锡鸿声铝业有限公司 | Hydraulic cylinder coupling head |
-
2011
- 2011-12-14 CN CN2011205207842U patent/CN202391846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400972A (en) * | 2011-12-14 | 2012-04-04 | 衡阳风顺车桥有限公司 | Forming and punching combined oil cylinder |
| CN102996571A (en) * | 2012-10-30 | 2013-03-27 | 无锡鸿声铝业有限公司 | Hydraulic cylinder coupling head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141214 |
|
| EXPY | Termination of patent right or utility model |