CN219727096U - Integrated hydraulic non-return automatic feeding device - Google Patents

Integrated hydraulic non-return automatic feeding device Download PDF

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Publication number
CN219727096U
CN219727096U CN202320719569.8U CN202320719569U CN219727096U CN 219727096 U CN219727096 U CN 219727096U CN 202320719569 U CN202320719569 U CN 202320719569U CN 219727096 U CN219727096 U CN 219727096U
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China
Prior art keywords
sliding plug
sliding
plug shaft
integrated hydraulic
annular body
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CN202320719569.8U
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Chinese (zh)
Inventor
蒋迎峰
胡晗迪
陈志豪
杨云毅
葛宇亮
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Ningbo Doush Oil Pressure Co ltd
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Ningbo Doush Oil Pressure Co ltd
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Abstract

The utility model provides an integrated hydraulic non-return automatic feeding device which comprises an upper die holder, wherein an injection assembly is arranged on the upper die holder and comprises a driving motor, a feed cylinder and a sliding plug shaft, a sliding cavity is arranged in the upper die holder, the sliding plug shaft is in sliding fit in the sliding cavity and can realize radial rotation, a first oil port and a second oil port which are communicated with the sliding cavity and are used for driving the sliding plug shaft to axially move are formed in the upper die holder, the sliding plug shaft is rigidly connected with a screw rod rotatably arranged in the feed cylinder, the sliding plug shaft is coaxially arranged with the screw rod, the output end of the driving motor is connected with the sliding plug shaft, a non-return valve block is arranged at the end part of the screw rod, and a first flow cutting surface which is used for being attached to the end face of the feed cylinder and realizing non-return is arranged on the top surface of the non-return valve block. The integrated hydraulic non-return automatic feeding device can realize quick blocking or communication of the flow channels, and has the advantages of quick response, large bearing capacity and good use effect.

Description

Integrated hydraulic non-return automatic feeding device
Technical Field
The utility model relates to an injection mechanism, in particular to an integrated hydraulic non-return automatic feeding device.
Background
The rubber injection machine is a main molding device for manufacturing various shapes of rubber products from thermosetting rubber by using a rubber molding die. In the working process of the injection machine, the strip-shaped rubber raw materials are required to be rolled into the storage cylinder to be plasticized and then injected into the injection cylinder, and then the rubber in the injection cylinder is injected into the rubber mold by the injection part, so that the rubber is vulcanized and molded in the mold, and rubber products with different shapes are produced. In this process, need roll into the structure in the storage cylinder with strip rubber raw materials, guarantee strip rubber raw materials continuous stable feeding and continuous material simultaneously, have initiative feeding structure at this moment, traditional injection machine is at the in-process of injection, because rubber is better through plasticizing mobility, at this moment because the change of pressure can lead to rubber to flow back to in the storage cylinder, not only influence the precision of injection, but also very easily influence quality and the stability of product.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the integrated hydraulic non-return automatic feeding device which has a compact structure and a small volume, can avoid strip rubber raw material breakage, and can actively control the backflow of plasticized rubber materials.
The utility model provides an integrated hydraulic non-return automatic feeding device, which comprises an upper die holder 1, wherein an injection assembly is arranged on the upper die holder 1, the injection assembly comprises a driving motor 3, a feed cylinder 52 and a sliding plug shaft 4, a sliding cavity is arranged in the upper die holder 1, the sliding plug shaft 4 is slidably matched in the sliding cavity and can realize radial rotation, a first oil port 101 and a second oil port 102 which are communicated with the sliding cavity and are used for driving the sliding plug shaft 4 to axially move are arranged on the upper die holder 1, the sliding plug shaft 4 is rigidly connected with a screw rod 6 rotatably arranged in the feed cylinder 52, the sliding plug shaft 4 is coaxially arranged with the screw rod 6, the output end of the driving motor 3 is connected with the sliding plug shaft 4, the end part of the screw rod 6 is provided with a non-return valve block 7, and the top surface of the non-return valve block 7 is provided with a first flow section surface which is used for being adhered to the end surface of the feed cylinder 52 and realizing non-return.
Further, a valve hole is formed in the upper die holder 1, an upper annular body 11 and a lower annular body 12 which are coaxially arranged are installed in the valve hole, guide holes which are formed in the upper annular body 11 and the lower annular body 12 and are used for allowing the sliding plug shaft 4 to pass through and realize radial rotation and axial sliding are formed in the upper annular body 11 and the lower annular body 12, a gap is formed between the upper annular body 11 and the lower annular body 12, an annular protrusion is formed on the side wall of the sliding plug shaft 4, a sliding plug portion 41 is formed on the side wall of the sliding plug shaft 4, and the sliding plug portion 41 is located in the sliding cavity.
Further, the plug shaft 4 is integrally formed with the plug portion 41.
Further, the lower end of the side wall of the upper annular body 11 and the upper end of the side wall of the lower annular body 12 are concave inwards to form oil guiding cavities, and the first oil port 101 and the second oil port 102 are respectively communicated with the two oil guiding cavities.
Further, a sealing ring is arranged between the contact surface of the sliding plug 41 and the sliding cavity.
Further, a connecting hole with a regular polygon cross section is formed in the center of the top surface of the sliding plug shaft 4, a connecting shaft is arranged at the output end of the driving motor 3, and the connecting shaft is the same as the connecting hole in cross section shape and sleeved in the connecting hole, and can realize axial sliding.
Further, the lower end of the upper die holder 1 is fixed with a mounting seat 51, the mounting seat 51 is cylindrical and coaxial with the sliding cavity, the lower end of the sliding plug shaft 4 extends into the mounting seat 51, a sealing ring is arranged between the sliding plug shaft and the mounting seat 51, and the charging barrel 52 is coaxially fixed at the lower end of the mounting seat 51.
Furthermore, the check valve block 7 is of a cone structure with a small lower end and a large upper end, and a bolt body used for being connected with a screw is arranged in the center of the top surface of the check valve block; an annular body 521 is fixed to the end of the cylinder 52, and a lower end surface of the annular body 521 forms a second flow interception surface for the first flow interception surface to be engaged and to realize non-return.
Further, the feed end of the feed cylinder is provided with an auxiliary feed assembly, the auxiliary feed assembly comprises a roller 84 rotatably mounted in the feed cylinder and a driving motor 81 for driving the roller 84 to rotate, the rotation axis of the roller 84 is parallel to the rotation axis of the screw, a gap is formed between the roller and the screw, an auxiliary feed area is formed, and the feed inlet of the feed cylinder faces the auxiliary feed area.
Further, a driven gear 83 is provided at the end of the roller 84, and a driving gear engaged with the driven gear 83 is provided on the output shaft of the driving motor 81
The utility model has the advantages that: according to the integrated hydraulic check automatic feeding device, the sliding plug shaft is arranged, so that the screw rod can axially move and the check valve block at the end part of the screw rod is driven to move, the opening and closing of the charging barrel are realized, the action is fast, and the check effect is good; the check valve block is arranged at the end part of the screw rod, the closure surface of the check valve block is used as a stress surface during check, the bearing capacity is large, the check effect is good, and the installation is convenient and labor-saving; the upper ring body and the lower ring body are structurally arranged, so that the processing is convenient, the processing cost is reduced, the processing precision is improved, and the assembly is convenient; the oil guide cavity is arranged, so that the contact area between the oil guide cavity and the sliding plug part is increased, quick oil supply is realized, the driving stability and reliability are improved, and the response is quick; the auxiliary feeding assembly is arranged, so that auxiliary feeding can be realized, and the feeding reliability and stability are improved; the integrated hydraulic non-return automatic feeding device integrates hydraulic non-return and automatic feeding into the storage assembly, has compact structure, small volume and high precision, can avoid the breakage of strip rubber raw materials, and simultaneously actively controls the backflow of plasticized rubber materials, so that the quality of a finished product is good.
Drawings
FIG. 1 is a schematic diagram of the structure of an integrated hydraulic check automatic feeding device of the present utility model;
FIG. 2 is a cross-sectional view of the integrated hydraulic check automatic feed device of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
fig. 5 is a schematic structural view of an auxiliary feeding assembly of the integrated hydraulic non-return automatic feeding device of the present utility model.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, the present utility model provides an integrated hydraulic automatic feeding device for check valve, which comprises an upper die holder 1, an injection assembly is provided on the upper die holder 1, the injection assembly comprises a driving motor 3, a feed cylinder 52 and a sliding plug shaft 4, a sliding cavity is provided in the upper die holder 1, the sliding plug shaft 4 is slidably arranged in the sliding cavity, meanwhile, the sliding plug shaft 4 can realize radial rotation, namely rotation around an axis, in this embodiment, the axis of the sliding plug shaft is perpendicular to a horizontal plane, a first oil port 101 and a second oil port 102 are provided on the upper die holder 1, the first oil port 101 and the second oil port 102 are communicated with an oil cavity, and are used for driving the sliding plug shaft 4 to move axially, in this embodiment, the feed cylinder 52 is rotatably installed at the lower end of the upper die holder, a screw 6 is rotatably installed in the feed cylinder, the screw 6 is coaxial with the sliding plug shaft 4 and is connected with each other, the driving motor 3 is installed at the top of the upper die holder, the output end of the sliding plug shaft 4 is connected with the sliding plug shaft 4, and is used as a power end for driving the screw to rotate, so as to realize extrusion discharging, in this embodiment, the motor is provided with a hydraulic stop valve 7 and a stop valve 7 is provided at the lower end of the stop valve 7, and is provided with a stop valve 7, and a stop valve is provided at the end face, which is used for the stop valve 7; meanwhile, four oil cylinders 2 are arranged on the upper die holder and are arranged in a rectangular shape, and the charging barrel is located at the center of the four oil cylinders.
Specifically, a valve hole is formed on the upper die holder 1, the axis of the valve hole is perpendicular to the horizontal plane, an upper annular body 11 and a lower annular body 12 are installed in the valve hole, the upper annular body 11 and the lower annular body 12 are coaxially arranged, the whole body is annular, a central hole is formed in the upper annular body 11 and the lower annular body 12 in a penetrating way, the central hole can accommodate the sliding plug shaft 4 to pass through and can realize radial rotation and axial sliding of the sliding plug shaft 4, a guide hole is formed, a gap is formed between the upper annular body 11 and the lower annular body 12, a sliding cavity is formed, in this embodiment, the axial height of the sliding cavity is 5mm-20mm, an annular bulge is formed on the side wall of the sliding plug shaft 4, a sliding plug part 41 is formed, the sliding plug part 41 is positioned in the sliding cavity, the side wall of the sliding plug part 41 is attached to the side wall of the sliding cavity, sealing is realized, the sliding cavity is separated into a first cavity and a second cavity, wherein the first oil port is communicated with the first cavity, the second oil port is communicated with the second cavity, the sliding plug part is pushed to move by injecting hydraulic oil, and the sealing ring is convenient for assembly, and meanwhile, a sealing ring is arranged between the side wall and the side wall of the sliding plug part is contacted with the side wall of the sliding cavity, and the sealing ring part is arranged in the groove, and the sealing ring is contacted with the sliding plug part is formed in the side wall, and is contacted with the sliding cavity; in this embodiment, the plug shaft 4 and the plug portion 41 are integrally formed by turning, and the strength is high and the running stability is good.
In order to improve the driving effect and the response speed, dead angles are avoided, in the embodiment, the lower end of the side wall of the upper annular body 11 and the upper end of the side wall of the lower annular body 12 are inwards concave to form oil guide cavities, the first oil port 101 and the second oil port 102 are respectively communicated with the two oil guide cavities, the whole oil guide cavity is in a circular shape, the contact area with a sliding plug part can be increased, quick oil supply is realized, the driving stability and reliability are improved, and the response is quick.
In this embodiment, a mounting seat 51 is fixed at the lower end of the upper die holder 1, the mounting seat 51 is cylindrical and coaxial with the sliding cavity, the lower end of the sliding plug shaft 4 extends into the mounting seat 51, a sealing ring is arranged between the sliding plug shaft and the mounting seat 51 to realize sealing, and a charging barrel 52 is fixed at the lower end of the mounting seat 51 and coaxial with the lower end of the mounting seat 51.
The check valve block 7 is of a cone structure with a small lower end and a large upper end, and the center of the top surface of the check valve block is provided with a bolt body which is used for being connected with a screw; an annular body 521 is fixed at the lower end of the charging barrel 52 through threads, a second cut-off surface is formed on the lower end surface of the annular body 521 and is used for being attached (contacted) with the first cut-off surface and realizing blocking and check, the first cut-off surface and the second cut-off surface are both circular, specifically, circular, the diameter of the second cut-off surface is larger than that of the first cut-off surface, the whole screw is axially moved through axial movement of the sliding plug shaft, a switch is formed between a check valve block 7 at the end of the screw and the annular body, material can be injected when opening, and a flow passage is closed when closing (attaching), so that check is realized.
In order to prevent the sliding plug shaft from being separated from the power source (driving motor) in the sliding process, in the embodiment, a connecting hole is formed in the center of the top surface of the sliding plug shaft 4, the cross section of the connecting hole is regular polygon, meanwhile, a connecting shaft is arranged at the output end of the driving motor 3, the cross section of the connecting shaft is identical to that of the connecting hole, the connecting shaft is sleeved in the connecting hole, sliding fit is achieved, and axial sliding can be achieved.
In the utility model, an auxiliary feeding assembly is arranged at the feeding end of a charging barrel, referring to fig. 5, the auxiliary feeding assembly comprises a roller 84 and a driving motor 81, the roller 84 is rotatably arranged in the charging barrel, the rotation axis of the roller 84 is parallel to the rotation axis of a screw, a gap is arranged between the roller and the screw, an auxiliary feeding area is formed, the feeding port of the charging barrel faces the auxiliary feeding area and is used for feeding assistance, the driving motor 81 is used for driving the roller 84 to rotate, in particular, a driven gear 83 is arranged at the end part of the roller 84, a driving gear 82 is arranged on the output shaft of the driving motor 81, the driving gear 82 and the driven gear 83 are meshed with each other to realize driving of the roller, and in the embodiment, the driving motor is a hydraulic motor with large driving force and stable driving; during operation, the screw rods positioned at the two sides of the auxiliary feeding area are identical to the line direction of the rollers, and auxiliary materials enter.
According to the integrated hydraulic check automatic feeding device, the sliding plug shaft is arranged, so that the screw rod can axially move and the check valve block at the end part of the screw rod is driven to move, the opening and closing of the charging barrel are realized, the action is fast, and the check effect is good; the check valve block is arranged at the end part of the screw rod, the closure surface of the check valve block is used as a stress surface during check, the bearing capacity is large, the check effect is good, and the installation is convenient and labor-saving; the upper ring body and the lower ring body are structurally arranged, so that the processing is convenient, the processing cost is reduced, the processing precision is improved, and the assembly is convenient; the oil guide cavity is arranged, so that the contact area between the oil guide cavity and the sliding plug part is increased, quick oil supply is realized, the driving stability and reliability are improved, and the response is quick; the auxiliary feeding assembly is arranged, so that auxiliary feeding can be realized, and the feeding reliability and stability are improved; the integrated hydraulic non-return automatic feeding device integrates hydraulic non-return and automatic feeding into the storage assembly, has compact structure, small volume and high precision, can avoid the breakage of strip rubber raw materials, and simultaneously actively controls the backflow of plasticized rubber materials, so that the quality of a finished product is good.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. An integrated hydraulic non-return automatic feeding device which is characterized in that: the injection assembly comprises a driving motor, a charging barrel and a sliding plug shaft, a sliding cavity is arranged in the upper die holder, the sliding plug shaft is slidably matched in the sliding cavity and can radially rotate, a first oil port and a second oil port which are communicated with the sliding cavity and used for driving the sliding plug shaft to axially move are formed in the upper die holder, the sliding plug shaft is rigidly connected with a screw rod rotatably arranged in the charging barrel, the sliding plug shaft is coaxially arranged with the screw rod, the output end of the driving motor is connected with the sliding plug shaft, a check valve block is arranged at the end part of the screw rod, and a first flow cutting surface which is used for being attached to the end face of the charging barrel and realizing check is arranged on the top surface of the check valve block.
2. The integrated hydraulic check automatic feed device of claim 1, wherein: the upper die holder is provided with a valve hole, an upper annular body and a lower annular body which are coaxially arranged are arranged in the valve hole, the upper annular body and the lower annular body are provided with guide holes which are used for allowing the sliding plug shaft to pass through and realize radial rotation and axial sliding, a gap is formed between the upper annular body and the lower annular body, the side wall of the sliding plug shaft is provided with an annular bulge and forms a sliding plug part, and the sliding plug part is positioned in the sliding cavity.
3. The integrated hydraulic check automatic feed device of claim 2, wherein: the slide plug shaft and the slide plug part are integrally formed.
4. The integrated hydraulic check automatic feed device of claim 2, wherein: the lower end of the side wall of the upper annular body and the upper end of the side wall of the lower annular body are inwards concave to form oil guide cavities, and the first oil port and the second oil port are respectively communicated with the two oil guide cavities.
5. The integrated hydraulic check automatic feed device of claim 2, wherein: and a sealing ring is arranged between the side wall of the sliding plug part and the contact surface of the sliding cavity.
6. The integrated hydraulic check automatic feed device of claim 1, wherein: the connecting hole with the cross section of regular polygon is arranged in the center of the top surface of the sliding plug shaft, the connecting shaft is arranged at the output end of the driving motor, the cross section of the connecting shaft and the cross section of the connecting hole are the same and sleeved in the connecting hole, and axial sliding can be realized.
7. The integrated hydraulic check automatic feed device of claim 1, wherein: the lower extreme of upper die base is fixed with the mount pad, the mount pad be the cylinder and with the smooth chamber is coaxial, the lower extreme of smooth stopper axle extends to in the mount pad, and with be equipped with the sealing washer between the mount pad, the feed cylinder is coaxial to be fixed the mount pad lower extreme.
8. The integrated hydraulic check automatic feed device of claim 1, wherein: the check valve block is of a cone structure with a small lower end and a large upper end, and a bolt body used for being connected with a screw is arranged in the center of the top surface of the check valve block; the end part of the charging barrel is fixedly provided with an annular body, and the lower end surface of the annular body forms a second flow interception surface which is used for the first flow interception surface to be jointed and realizing non-return.
9. The integrated hydraulic check automatic feed device of claim 1, wherein: the feeding end of feed cylinder is equipped with supplementary feeding subassembly, supplementary feeding subassembly is including rotationally installing roller in the feed cylinder and be used for the drive roller pivoted driving motor, the axis of rotation of roller is on a parallel with the axis of rotation of screw rod, the roller with be equipped with the clearance between the screw rod and form supplementary feeding district, the feed inlet orientation of feed cylinder supplementary feeding district.
10. The integrated hydraulic check automatic feed device of claim 9, wherein: the end of the roller is provided with a driven gear, and the output shaft of the driving motor is provided with a driving gear meshed with the driven gear.
CN202320719569.8U 2023-03-29 2023-03-29 Integrated hydraulic non-return automatic feeding device Active CN219727096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320719569.8U CN219727096U (en) 2023-03-29 2023-03-29 Integrated hydraulic non-return automatic feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320719569.8U CN219727096U (en) 2023-03-29 2023-03-29 Integrated hydraulic non-return automatic feeding device

Publications (1)

Publication Number Publication Date
CN219727096U true CN219727096U (en) 2023-09-22

Family

ID=88062369

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320719569.8U Active CN219727096U (en) 2023-03-29 2023-03-29 Integrated hydraulic non-return automatic feeding device

Country Status (1)

Country Link
CN (1) CN219727096U (en)

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