CN103341956B - External stroke limit device with built-in core pulling oil cylinder - Google Patents
External stroke limit device with built-in core pulling oil cylinder Download PDFInfo
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- CN103341956B CN103341956B CN201310278016.4A CN201310278016A CN103341956B CN 103341956 B CN103341956 B CN 103341956B CN 201310278016 A CN201310278016 A CN 201310278016A CN 103341956 B CN103341956 B CN 103341956B
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- riser
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Abstract
The invention discloses an external stroke limit device with a built-in core pulling oil cylinder. The external stroke limit device comprises a flexible bend block (1), a connecting rod (2), a spring (3), a stroke switch (4), and a switch base (5). When the device comprising the components works, the stroke switch transmits a moving position signal of a core pulling block driven by an oil cylinder to a central controller of an injection molding machine through the connecting rod and the flexible bend block so as to control and limit the driving stroke of the oil cylinder, so that the problems of difficulties in regulation, maintenance and failure process in the prior art are solved; as the stroke switch is arranged outside a die, the stroke limit of the built-in oil cylinder is easy to regulate, the built-in oil cylinder is easy to maintain, and failures are easy to process.
Description
Technical field
The present invention relates to a kind of stopping means, specifically referring to the driving distance caging device of a kind of built-in oil cylinder of loosing core for controlling the built-in hydraulic oil cylinder driving stroke of loosing core of injection mold.
Background technology
Injection mold often adopts built-in oil cylinder to carry out core_pulling demoulding to drive core-pulling slide block, driving stroke for built-in oil cylinder needs to carry out spacing control, prior art adopts the mobile route place touch switch controlling hydraulic oil cylinder driving stroke being arranged on the core-pulling slide block of mould inside, touch switch by with core-pulling slide block touch master controller signal being passed to injection machine through wire, controlled the work of oil cylinder by switching the hydraulic circuit of oil cylinder by the master controller of injection machine; Because touch switch is arranged on mould inside, therefore be called built-in stroke limit, built-in stroke limit must dismantle the driving stroke that mould could adjust oil cylinder, cause in actual production, be difficult to regulate the driving stroke of oil cylinder, safeguard and troubleshooting, therefore, prior art exists and is difficult to regulate, safeguard and the problems and shortcomings of troubleshooting.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts by bend block, connecting rod, spring, travel switch, the device that switch base is formed, bend block is fixedly connected on the piston rod of oil cylinder and the junction of block of loosing core, bend block is mobile with the movement of block of loosing core, switch base is fixed on the outer wall place of mould, travel switch is fixedly located in switch base, two rod slides are arranged in the pilot hole of mould inside setting, one end of two connecting rods slidingly contacts with bend Kuai bis-road bend respectively and is connected, the other end of two connecting rods is connected with the contact of two travel switches respectively, during work, travel switch controls the technical scheme of the driving stroke limiting oil cylinder by hydraulic oil cylinder driving to be loosed core master controller that the position signalling of block movement passes to injection machine of connecting rod and bend block, a kind of external distance caging device of built-in oil cylinder of loosing core is provided, be intended to by travel switch being arranged on the stroke limit that mold exterior makes built-in oil cylinder, reach and be easy to regulate, the object of maintenance and troubleshooting.
The object of the present invention is achieved like this: a kind of external distance caging device of built-in oil cylinder of loosing core, comprise bend block, connecting rod, spring, travel switch, switch base, wherein: described bend block is the steel components of the rectangular L-shaped bulk formed of being intersected vertically by the vertical riser being positioned at the left side and the transverse slat of the level being positioned at the right, it is identical that the right side of the described riser of bend block is provided with road, front and back two convex-concave profile, direction is contrary, mutually parallel front bend and rear bend, described front bend is positioned at the front portion on the right side of described riser, be made up of through the monolateral groove that transitional slope downward-sloping is from left to right progressively recessed to the right the right side of described riser, described rear bend is positioned at the rear portion on the right side of described riser, is made up of through the monolateral groove that acclivitous transitional slope is from left to right progressively recessed to the right the right side of described riser, the right part center of the described transverse slat of bend block is provided with circular through hole and is called knee-piece connecting hole,
Described connecting rod is the shaft-like steel components of cylinder step, and the left part body of rod of connecting rod is provided with columniform flange step, and the right side of connecting rod is spheric;
Described spring is cylindroid helical-coil compression spring;
Described travel switch is be provided with often to start to close and the normally closed dynamic touch switch opening contact;
Described switch base is that the top of the described riser of switch base is provided with two, front and back manhole side by side and is called tie rod holes by the vertical riser the being positioned at the right steel components in sleeping T-shaped bulk formed crossing with the slab normal of the level being positioned at the left side;
The contact of travel switch corresponds to the tie rod holes of the described riser of switch base towards the right side, two travel switches are fixedly connected on above the described flat board of switch base side by side, the left part body of rod of two connecting rods slides respectively and is through in two described tie rod holes of switch base, the left end of two connecting rods is connected with the contact of two travel switches, spring is between the left side and the right side of described riser of the described flange step of connecting rod, bend block is fixedly connected on the piston rod of oil cylinder and the junction of block of loosing core by the knee-piece connecting hole of described transverse slat, the right-hand member of two connecting rods slidingly contacts with the described front bend of bend block and rear bend respectively and is connected,
During application, loose core block and oil cylinder are arranged on the inside of mould, and switch base is fixed on the outer wall place of mould, slide and be arranged in the pilot hole that mould inside arranges in the middle part of two connecting rods.
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be face in the face of main body, after be and described before relative face.
Operation principle and beneficial effect
During work, bend block is mobile with the movement of block of loosing core, hydraulic oil cylinder driving to be loosed core the shift position signal transmission of block to the master controller of injection machine by connecting rod and bend block by travel switch, by the master controller of injection machine, control by the oil circuit switching oil cylinder the driving stroke limiting oil cylinder by the master controller of injection machine; Spring keeps Elastic Contact with the bend of bend block all the time for making connecting rod.
This device, by travel switch is arranged on mold exterior, in actual production, just can adjust the driving stroke of oil cylinder without the need to dismantling mould, make the stroke limit of built-in oil cylinder be easy to regulate, be easy to safeguard, be easy to handling failure.
Above-mentioned, the present invention adopts by bend block, connecting rod, spring, travel switch, the device that switch base is formed, bend block is fixedly connected on the piston rod of oil cylinder and the junction of block of loosing core, bend block is mobile with the movement of block of loosing core, switch base is fixed on the outer wall place of mould, travel switch is fixedly located in switch base, two rod slides are arranged in the pilot hole of mould inside setting, one end of two connecting rods slidingly contacts with bend Kuai bis-road bend respectively and is connected, the other end of two connecting rods is connected with the contact of two travel switches respectively, during work, travel switch controls the technical scheme of the driving stroke limiting oil cylinder by hydraulic oil cylinder driving to be loosed core master controller that the position signalling of block movement passes to injection machine of connecting rod and bend block, overcome prior art existence to be difficult to regulate, the problems and shortcomings of maintenance and troubleshooting, the external distance caging device of a kind of built-in oil cylinder of loosing core provided, by travel switch is arranged on mold exterior, the stroke limit of built-in oil cylinder is reached and is easy to regulate, the object of maintenance and troubleshooting.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the external distance caging device structure of a kind of built-in oil cylinder of loosing core of the present invention;
Fig. 2 is that the axle of the external distance caging device structure of a kind of built-in oil cylinder of loosing core of the present invention measures intention;
Fig. 3 is the extraction enlarged drawing in A portion in Fig. 2;
The external distance caging device of Fig. 4 a kind of built-in oil cylinder of loosing core of the present invention, is arranged in the schematic diagram of application mould.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: bend block 1, connecting rod 2, spring 3, travel switch 4, switch base 5, block 01 of loosing core, oil cylinder 02, mould 03.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 4, the external distance caging device of a kind of built-in oil cylinder of loosing core of the present invention, comprise bend block 1, connecting rod 2, spring 3, travel switch 4, switch base 5, wherein: described bend block 1 is the steel components of the rectangular L-shaped bulk formed of being intersected vertically by the vertical riser being positioned at the left side and the transverse slat of the level being positioned at the right, it is identical that the right side of the described riser of bend block 1 is provided with road, front and back two convex-concave profile, direction is contrary, mutually parallel front bend and rear bend, described front bend is positioned at the front portion on the right side of described riser, be made up of through the monolateral groove that transitional slope downward-sloping is from left to right progressively recessed to the right the right side of described riser, described rear bend is positioned at the rear portion on the right side of described riser, is made up of through the monolateral groove that acclivitous transitional slope is from left to right progressively recessed to the right the right side of described riser, the right part center of the described transverse slat of bend block 1 is provided with circular through hole and is called knee-piece connecting hole,
Described connecting rod 2 is the shaft-like steel components of cylinder step, and the left part body of rod of connecting rod 2 is provided with columniform flange step, and the right side of connecting rod 2 is spheric;
Described spring 3 is cylindroid helical-coil compression spring;
Described travel switch 4 closes and the normally closed dynamic touch switch opening contact for being provided with often to start;
Described switch base 5 is that the top of the described riser of switch base 5 is provided with two, front and back manhole side by side and is called tie rod holes by the vertical riser the being positioned at the right steel components in sleeping T-shaped bulk formed crossing with the slab normal of the level being positioned at the left side;
The contact of travel switch 4 corresponds to the tie rod holes of the described riser of switch base 5 towards the right side, two travel switches 4 are fixedly connected on above the described flat board of switch base 5 side by side, the left part body of rod of two connecting rods 2 slides respectively and is through in two described tie rod holes of switch base 5, the left end of two connecting rods 2 is connected with the contact of two travel switches 4, spring 3 elasticity is between the left side and the right side of described riser of the described flange step of connecting rod 2, bend block 1 is fixedly connected on the piston rod of oil cylinder 02 and the junction of block 01 of loosing core by the knee-piece connecting hole of described transverse slat, the right-hand member of two connecting rods 2 slidingly contacts with the described front bend of bend block 1 and rear bend respectively and is connected,
During application, loose core block 01 and oil cylinder 02 are arranged on the inside of mould, and switch base 5 is fixed on the outer wall place of mould, slide and be arranged in the pilot hole that mould inside arranges in the middle part of two connecting rods 2.
The face, direction of structure representation is divided into up, down, left, right, front, rear side, wherein, before be face in the face of main body, after be and described before relative face.
Operation principle and beneficial effect
During work, bend block 1 is mobile with the movement of block 01 of loosing core, oil cylinder 02 drives the shift position signal transmission of block 01 of loosing core to the master controller of injection machine by connecting rod 2 and bend block 1 by travel switch 4, by the master controller of injection machine, control by the oil circuit switching oil cylinder 02 the driving stroke limiting oil cylinder by the master controller of injection machine; Spring 3 keeps Elastic Contact with the bend of bend block 1 all the time for making connecting rod 2.
This device, by travel switch 4 is arranged on mold exterior, in actual production, just can adjust the driving stroke of oil cylinder without the need to dismantling mould, make the stroke limit of built-in oil cylinder be easy to regulate, be easy to safeguard, be easy to handling failure.
Claims (1)
1. the external distance caging device of a built-in oil cylinder of loosing core, comprise bend block (1), connecting rod (2), spring (3), travel switch (4), switch base (5), it is characterized in that: described bend block (1) is the steel components of the rectangular L-shaped bulk formed of being intersected vertically by the vertical riser being positioned at the left side and the transverse slat of the level being positioned at the right, it is identical that the right side of the described riser of bend block (1) is provided with road, front and back two convex-concave profile, direction is contrary, mutually parallel front bend and rear bend, described front bend is positioned at the front portion on the right side of described riser, be made up of through the monolateral groove that transitional slope downward-sloping is from left to right progressively recessed to the right the right side of described riser, described rear bend is positioned at the rear portion on the right side of described riser, is made up of through the monolateral groove that acclivitous transitional slope is from left to right progressively recessed to the right the right side of described riser, the right part center of the described transverse slat of bend block (1) is provided with circular through hole and is called knee-piece connecting hole,
Described connecting rod (2) is the shaft-like steel components of cylinder step, and the left part body of rod of connecting rod (2) is provided with columniform flange step, and the right side of connecting rod (2) is spheric;
Described spring (3) is cylindroid helical-coil compression spring;
Described travel switch (4) closes and the normally closed dynamic touch switch opening contact for being provided with often to start;
Described switch base (5) is that the top of the described riser of switch base (5) is provided with two, front and back manhole side by side and is called tie rod holes by the vertical riser the being positioned at the right steel components in sleeping T-shaped bulk formed crossing with the slab normal of the level being positioned at the left side;
The contact of travel switch (4) corresponds to the tie rod holes of the described riser of switch base (5) towards the right side, two travel switches (4) are fixedly connected on above the described flat board of switch base (5) side by side, the left part body of rod of two connecting rods (2) slides respectively and is through in two described tie rod holes of switch base (5), the left end of two connecting rods (2) is connected with the contact of two travel switches (4), between the left side that spring (3) elasticity is positioned at the described flange step of connecting rod (2) and the right side of described riser, bend block (1) is fixedly connected on the piston rod of oil cylinder (02) and the junction of block (01) of loosing core by the knee-piece connecting hole of described transverse slat, the right-hand member of two connecting rods (2) slidingly contacts with the described front bend of bend block (1) and rear bend respectively and is connected,
During application, block of loosing core (01) and oil cylinder (02) are arranged on the inside of mould, and switch base (5) is fixed on the outer wall place of mould, slide and be arranged in the pilot hole of mould inside setting in the middle part of two connecting rods (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310278016.4A CN103341956B (en) | 2013-06-24 | 2013-06-24 | External stroke limit device with built-in core pulling oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310278016.4A CN103341956B (en) | 2013-06-24 | 2013-06-24 | External stroke limit device with built-in core pulling oil cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103341956A CN103341956A (en) | 2013-10-09 |
| CN103341956B true CN103341956B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310278016.4A Active CN103341956B (en) | 2013-06-24 | 2013-06-24 | External stroke limit device with built-in core pulling oil cylinder |
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| CN (1) | CN103341956B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105346020B (en) * | 2015-11-25 | 2017-07-14 | 宏利科技(苏州)有限公司 | Hydraulic drive mechanism in a kind of injection mold mould |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202264362U (en) * | 2011-10-18 | 2012-06-06 | 青岛海尔模具有限公司 | Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold |
| CN102601933A (en) * | 2012-02-26 | 2012-07-25 | 宁波思迈工业科技有限公司 | Threaded core pulling device with automatically reset thread starting point |
| CN202462806U (en) * | 2012-02-26 | 2012-10-03 | 宁波思迈工业科技有限公司 | Thread core pulling device capable of automatically resetting initial thread point |
| CN203344268U (en) * | 2013-06-24 | 2013-12-18 | 宁波方正汽车模具有限公司 | External stroke limiting device internally provided with core-pulling oil cylinder |
-
2013
- 2013-06-24 CN CN201310278016.4A patent/CN103341956B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202264362U (en) * | 2011-10-18 | 2012-06-06 | 青岛海尔模具有限公司 | Oil cylinder core-pulling mechanism for preventing injection molding retraction and mold |
| CN102601933A (en) * | 2012-02-26 | 2012-07-25 | 宁波思迈工业科技有限公司 | Threaded core pulling device with automatically reset thread starting point |
| CN202462806U (en) * | 2012-02-26 | 2012-10-03 | 宁波思迈工业科技有限公司 | Thread core pulling device capable of automatically resetting initial thread point |
| CN203344268U (en) * | 2013-06-24 | 2013-12-18 | 宁波方正汽车模具有限公司 | External stroke limiting device internally provided with core-pulling oil cylinder |
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| CN103341956A (en) | 2013-10-09 |
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Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3 Patentee after: Ningbo Fangzheng automobile mould Limited by Share Ltd Address before: 315609 Zhejiang province Ninghai County Tashan Industrial Park Qixing Road No. 28 Patentee before: Ningbo Fangzheng Tool Co., Ltd. |