CN112808950A - Tectorial membrane sand closing device - Google Patents

Tectorial membrane sand closing device Download PDF

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Publication number
CN112808950A
CN112808950A CN202011534436.0A CN202011534436A CN112808950A CN 112808950 A CN112808950 A CN 112808950A CN 202011534436 A CN202011534436 A CN 202011534436A CN 112808950 A CN112808950 A CN 112808950A
Authority
CN
China
Prior art keywords
gear
positioning
plate
fixedly mounted
sand mold
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.)
Pending
Application number
CN202011534436.0A
Other languages
Chinese (zh)
Inventor
胡火明
周康康
徐刚强
王军
程浩川
王莉
阚李近
曹毅
刘学栋
吴加韦
汤荣
何飞
蒋文龙
赵家贵
倪明亮
王勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Boxing Industry And Trade Co ltd
Original Assignee
Zhejiang Boxing Industry And Trade Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Boxing Industry And Trade Co ltd filed Critical Zhejiang Boxing Industry And Trade Co ltd
Priority to CN202011534436.0A priority Critical patent/CN112808950A/en
Publication of CN112808950A publication Critical patent/CN112808950A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C15/00Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/02Compacting by pressing devices only
    • B22C15/06Compacting by pressing devices only involving mechanical gearings, e.g. crank gears
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D33/00Equipment for handling moulds
    • B22D33/04Bringing together or separating moulds

Abstract

The invention belongs to the technical field of casting modeling, and particularly relates to a precoated sand mold closing device which comprises a bottom plate, wherein two vertical rods are fixedly mounted on the bottom plate, a cantilever is fixedly mounted at the upper ends of the vertical rods, a positioning plate is fixedly mounted on the cantilever, a pressing plate is arranged below the positioning plate, a plurality of positioning rods are mounted on the pressing plate, positioning holes are formed in the positioning plate, the positioning rods penetrate through the positioning holes, a hydraulic mechanism is mounted on one cantilever and comprises a hydraulic cylinder fixedly mounted on the cantilever and a hydraulic rod fixedly mounted on the pressing plate, a mounting plate is further mounted between the two vertical rods on the bottom plate, a first transmission gear set is mounted on the mounting plate, a mounting block is mounted on one side, close to the mounting plate, of each of the two. The purpose is as follows: the problems of high equipment cost and complex operation caused by structural defects of the existing mold closing device are solved.

Description

Tectorial membrane sand closing device
Technical Field
The invention belongs to the technical field of casting modeling, and particularly relates to a precoated sand mold closing device.
Background
The technological process of precoated sand is to mix powdered thermosetting phenolic resin with raw sand mechanically and cure the mixture while heating. Then, the method is developed to use thermoplastic phenolic resin, latent curing agent (urotropine) and lubricant to prepare precoated sand through a certain coating process, when the precoated sand is heated, the resin coated on the surface of sand is melted, and the melted resin is quickly converted from a linear structure into a non-melted body structure under the action of methylene decomposed from the urotropine, so that the precoated sand is cured and molded.
When the precoated sand is used for die assembly, the lower die needs to be coated with glue, the upper die is placed on the lower die, the die is extruded for a certain time by a hydraulic device, and the upper die and the lower die are fully adhered together. And in the time, an operator can glue the other dies and place the dies, and then take out the former extruded die and replace the new die for extrusion.
In the above operation, in order to improve the working efficiency under the condition of ensuring sufficient extrusion time, the two hydraulic devices are often used for alternately working, that is, gluing and placing are performed on the workbench, then the combined mold is placed on the hydraulic device a for extrusion, then the second set of mold is glued and placed on the workbench, then the second set of mold is placed on the hydraulic device b for extrusion, finally the hydraulic device a is opened, the first set of mold is taken out, and the steps are repeated to form a flow type operation mode.
In the above operation mode, the two hydraulic devices are independent of each other, two independent hydraulic systems are required, the equipment cost is high, the hydraulic devices need to be frequently operated in the working process, and the operation is complex.
Disclosure of Invention
The purpose of the invention is: aims to provide a precoated sand mold closing device for solve the problems of high equipment cost and complex operation caused by the structural defects of the existing mold closing device.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a tectorial membrane sand closing device, includes the bottom plate, fixed mounting has two pole settings on the bottom plate, the upper end fixed mounting of pole setting has the cantilever, fixed mounting has the locating plate on the cantilever, the locating plate below is equipped with the clamp plate, install many locating levers on the clamp plate, the locating hole has been seted up on the locating plate, the locating lever is worn to establish in the locating hole, one of them hydraulic pressure mechanism is installed to the cantilever, hydraulic pressure mechanism includes fixed mounting's pneumatic cylinder on the cantilever and the hydraulic stem of fixed mounting on the clamp plate, the mounting panel is still installed to the bottom plate between two pole settings, install a transmission gear group on the mounting panel, two the clamp plate is close to mounting panel one side and all installs an installation piece, vertical rack is installed to the installation piece is last.
Further, a sliding plate is slidably mounted on the bottom plate and is in transmission connection with the first transmission gear set. When the automatic feeding and discharging mechanism is used, one of the pressing plates can be driven to move by the action of the hydraulic mechanism, the sliding plate is driven to move, and then a mold placed on the sliding plate is driven to enter or exit from the lower part of the pressing plate, so that the purpose of entering or exiting from the lower part of the pressing plate is fulfilled, and automatic feeding and discharging are realized.
Further inject, still install second transmission gear group, the positioning gear who connects with first transmission gear group transmission in proper order on the mounting panel, the mounting groove has been seted up on the sliding plate, be equipped with horizontal rack in the mounting groove, positioning gear and horizontal rack toothing, two arc recesses have been seted up on the horizontal rack, positioning gear is incomplete gear, integrated into one piece has the arc piece with arc recess assorted on the positioning gear, the central point of arc piece coincides with positioning gear's central point, the radius size of arc piece is greater than the diameter size of the root circle of positioning gear, is less than the diameter size of addendum circle. Such structural design through the mutual matching of arc recess and the arc piece as the positioning gear of incomplete gear, realizes that the mould is when the action, and the sliding plate does not move, and by the mutual matching of arc piece and arc recess, realizes the location to the sliding plate, and the practicality is stronger.
It is further defined that the first drive gear set includes a first gear and two second gears, the first gear being located between the two second gears, the second gear being in mesh with the first gear, the second gear being in mesh with the vertical rack. Such structural design constitutes first transmission gear through first gear and two second gears and organizes, for the first transmission gear group of constituteing by a gear, can select the gear that the diameter is littleer under the unchangeable condition of distance between two vertical racks, practices thrift cost.
Further inject, second drive gear group is including the third gear, fourth gear and the fifth gear of meshing in proper order, fixed mounting has the third pivot on the third gear, third pivot and first gear fixed connection, fixed mounting has the fifth pivot on the fifth gear, fifth pivot and positioning gear fixed connection. By the structural design, the vertical rack and the sliding plate are in transmission connection through the third gear, the fourth gear and the fifth gear, the structure is simple, and the installation is convenient.
Further, a plurality of rollers are rotatably mounted on the bottom plate, and the sliding plate is placed on the rollers. Due to the structural design, the sliding connection between the sliding plate and the bottom plate is realized through the plurality of rolling shafts, the structure is simple, and the installation is convenient.
Further inject, install linear bearing in the locating hole, linear bearing overlaps and establishes on the locating lever. By means of the structural design, the linear bearing replaces the positioning rod to be in contact with the positioning plate, and friction force generated when the positioning rod moves is reduced.
The invention adopting the technical scheme has the advantages that:
1. the two pressing plates are driven to alternately press down through the first transmission gear set, so that the extrusion of the die is completed, only one set of hydraulic mechanism is used, the manufacturing cost of equipment is saved, meanwhile, during operation, only one operation is needed on the hydraulic mechanism, one ascending and one descending of the two pressing plates can be completed, the operation flow is simplified, and the use is more convenient;
2. the sliding plate is arranged on the bottom plate in a sliding mode and is in transmission connection with the first transmission gear set, when the automatic feeding and discharging device is used, the sliding plate can be driven to move when one pressing plate is driven to move by the action of the hydraulic mechanism, and then the mould placed on the sliding plate is driven to enter or exit from the lower portion of the pressing plate, so that the purpose that the mould enters or exits from the lower portion of the pressing plate is achieved, automatic feeding and discharging are achieved, and the working strength of workers is reduced.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a first schematic structural diagram of a precoated sand mold closing device according to an embodiment of the present invention;
FIG. 2 is a second schematic structural view of a precoated sand mold clamping device according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional structural view of an embodiment of a precoated sand mold closing device according to the present invention;
FIG. 4 is a schematic structural diagram of a transverse rack portion in an embodiment of a coated sand mold closing device of the invention;
the main element symbols are as follows:
a bottom plate 1, a rolling shaft 10, a vertical rod 11, a cantilever 12, a positioning plate 13, a linear bearing 130,
A pressure plate 2, a positioning rod 21, a mounting block 22, a vertical rack 23,
A hydraulic cylinder 31, a hydraulic rod 32,
Mounting plate 4, first gear 41, second gear 42, third gear 43, third rotating shaft 430, fourth gear 44, fifth gear 45, fifth rotating shaft 450,
A positioning gear 5,
The sliding plate 6, the transverse rack 60 and the arc-shaped groove 601.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, the precoated sand mold closing device of the invention comprises a bottom plate 1, two vertical rods 11 are fixedly arranged on the bottom plate 1, a cantilever 12 is fixedly arranged at the upper end of each vertical rod 11, a positioning plate 13 is fixedly arranged on each cantilever 12, a pressure plate 2 is arranged below each positioning plate 13, a plurality of positioning rods 21 are arranged on each pressure plate 2, positioning holes are arranged on the positioning plates 13, the positioning rods 21 are arranged in the positioning holes in a penetrating manner, install hydraulic pressure mechanism on one of them cantilever 12, hydraulic pressure mechanism includes hydraulic cylinder 31 and the hydraulic stem 32 of fixed mounting on clamp plate 2 of fixed mounting on cantilever 12, and mounting panel 4 is still installed to bottom plate 1 between two pole settings 11, installs a transmission gear group on the mounting panel 4, and two clamp plates 2 are close to mounting panel 4 one side and all install a mounting block 22, and vertical rack 23 is vertically installed on mounting block 22, and vertical rack 23 meshes with a transmission gear group.
The bottom plate 1 is also provided with a sliding plate 6 in a sliding way, and the sliding plate 6 is in transmission connection with the first transmission gear set. When the automatic feeding and discharging mechanism is used, one pressing plate 2 can be driven to move by the action of the hydraulic mechanism, the sliding plate 6 is driven to move, and then a mold placed on the sliding plate 6 is driven to enter or exit from the lower part of the pressing plate 2, so that the purpose that the mold enters or exits from the lower part of the pressing plate 2 is fulfilled, and automatic feeding and discharging are realized.
Still install the second drive gear group who connects with first drive gear group transmission in proper order on the mounting panel 4, positioning gear 5, the mounting groove has been seted up on the sliding plate 6, be equipped with horizontal rack 60 in the mounting groove, positioning gear 5 and horizontal rack 60 mesh, two arc recesses 601 have been seted up on the horizontal rack 60, positioning gear 5 is incomplete gear, integrated into one piece have on positioning gear 5 with arc recess 601 assorted arc piece, the central point of arc piece and positioning gear 5's central point coincide, the radius size of arc piece is greater than the diameter size of positioning gear 5's root circle, be less than the diameter size of addendum circle. Through the mutual matching of the arc-shaped groove 601 and the arc-shaped block of the positioning gear 5 as an incomplete gear, the sliding plate 6 does not move when the mold moves, and the positioning of the sliding plate 6 is realized by the mutual matching of the arc-shaped block and the arc-shaped groove 601, so that the practicability is strong.
The first transmission gear set comprises a first gear 41 and two second gears 42, the first gear 41 is located between the two second gears 42, the second gears 42 are meshed with the first gear 41, and the second gears 42 are meshed with the vertical rack 23. Through first gear 41 and two second gears 42 constitute first transmission gear group, for the first transmission gear group that comprises a gear, can select the gear that the diameter is littleer under the unchangeable condition of distance between two vertical racks 60, practice thrift the cost.
The second transmission gear set comprises a third gear 43, a fourth gear 44 and a fifth gear 45 which are meshed in sequence, a third rotating shaft 430 is fixedly mounted on the third gear 43, the third rotating shaft 430 is fixedly connected with the first gear 41, a fifth rotating shaft 450 is fixedly mounted on the fifth gear 45, and the fifth rotating shaft 450 is fixedly connected with the positioning gear 5. The transmission connection between the vertical rack 23 and the sliding plate 6 is completed through the third gear 43, the fourth gear 44 and the fifth gear 45, and the structure is simple and the installation is convenient.
A plurality of rollers 10 are rotatably mounted on the base plate 1, and the sliding plate 6 is placed on the rollers 10. The sliding connection between the sliding plate 6 and the bottom plate 1 is realized through the plurality of rolling shafts 10, the structure is simple, and the installation is convenient.
The linear bearing 130 is installed in the positioning hole, and the linear bearing 130 is sleeved on the positioning rod 21. The linear bearing 130 replaces the positioning rod 21 to contact with the positioning plate 13, so that the friction force generated when the positioning rod 21 moves is reduced.
In the embodiment, when the device is used, the left side of the sliding plate 6 is positioned below the pressing plate 2 on the left side, the arc-shaped block of the positioning gear 5 of the incomplete gear is positioned in the arc-shaped groove 601, at the moment, a lower die can be placed on the sliding plate 6 between the two pressing plates 2, then glue is applied to the lower die, and then the upper die is placed on the lower die;
starting a hydraulic mechanism, so that the hydraulic rod 32 moves upwards to drive the left pressing plate 2 and the vertical rack 23 to move upwards, and further drive the right rack 23 to move downwards through the first transmission gear set until the arc-shaped block is separated from the arc-shaped groove 601, the positioning gear 5 is meshed with the transverse rack 60, and then the positioning gear 5 drives the sliding plate 6 to move rightwards;
until the mold placed on the sliding plate 6 is driven to be below the pressing plate 2 on the right side by the driving device, the positioning gear 5 is disengaged from the transverse rack 60, the arc-shaped block is clamped in the arc-shaped groove 601 on the left side of the transverse rack 60, at the moment, the mold placed on the sliding plate 6 stops moving, the hydraulic mechanism continues to act until the pressing plate 2 on the right side is pressed on the mold on the sliding plate 6, and the combined mold is extruded;
when the mold is extruded by the pressing plate 2 on the right side, the pressing plate 2 on the left side is in an ascending position, at the moment, a new mold can be placed on the sliding plate 6 between the two pressing plates 2, after the placement is finished, the hydraulic mechanism is restarted, the hydraulic rod 32 moves downwards, the pressing plate 2 on the right side moves upwards, the mold is separated from being extruded, then the new mold is driven to enter the lower part of the pressing plate 2 on the left side for extrusion, and meanwhile, the mold extruded by the pressing plate 2 on the right side is taken out from the lower part of the pressing plate 2, so that an operator can take the mold down conveniently;
and after the extruded die is taken down, repeating the process and carrying out subsequent die extrusion.
The precoated sand mold clamping device provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a tectorial membrane sand MOLD CLAMPING APPARATUS which characterized in that: comprises a bottom plate (1), two vertical rods (11) are fixedly mounted on the bottom plate (1), a cantilever (12) is fixedly mounted at the upper end of each vertical rod (11), a positioning plate (13) is fixedly mounted on the cantilever (12), a pressing plate (2) is arranged below the positioning plate (13), a plurality of positioning rods (21) are mounted on the pressing plate (2), positioning holes are formed in the positioning plate (13), the positioning rods (21) are arranged in the positioning holes in a penetrating manner, one of the positioning rods (13) is provided with a hydraulic mechanism, the hydraulic mechanism comprises a hydraulic cylinder (31) fixedly mounted on the cantilever (12) and a hydraulic rod (32) fixedly mounted on the pressing plate (2), a mounting plate (4) is further mounted between the two vertical rods (11) on the bottom plate (1), a first transmission gear set is mounted on the mounting plate (4), and an installation block (22) is mounted on one side of the pressing plate (2) close to, the mounting block (22) is vertically provided with a vertical rack (23), and the vertical rack (23) is meshed with the first transmission gear set.
2. The coated sand mold clamping device according to claim 1, characterized in that: the bottom plate (1) is further provided with a sliding plate (6) in a sliding mode, and the sliding plate (6) is in transmission connection with the first transmission gear set.
3. The coated sand mold clamping device according to claim 2, characterized in that: still install on mounting panel (4) and organize second drive gear group, positioning gear (5) that the transmission is connected in proper order with first drive gear, the mounting groove has been seted up on sliding plate (6), be equipped with horizontal rack (60) in the mounting groove, positioning gear (5) and horizontal rack (60) meshing, two arc recess (601) have been seted up on horizontal rack (60), positioning gear (5) are incomplete gear, integrated into one piece have with arc recess (601) assorted arc piece on positioning gear (5), the central point of arc piece coincides with the central point of positioning gear (5), the radius size of arc piece is greater than the diameter size of the root circle of positioning gear (5), is less than the diameter size of addendum circle.
4. The coated sand mold clamping device according to claim 3, characterized in that: the first transmission gear set comprises a first gear (41) and two second gears (42), the first gear (41) is located between the two second gears (42), the second gears (42) are meshed with the first gear (41), and the second gears (42) are meshed with the vertical racks (23).
5. The coated sand mold clamping device according to claim 4, characterized in that: the second transmission gear set comprises a third gear (43), a fourth gear (44) and a fifth gear (45) which are sequentially meshed, a third rotating shaft (430) is fixedly mounted on the third gear (43), the third rotating shaft (430) is fixedly connected with the first gear (41), a fifth rotating shaft (450) is fixedly mounted on the fifth gear (45), and the fifth rotating shaft (450) is fixedly connected with the positioning gear (5).
6. The coated sand mold clamping device according to claim 1, characterized in that: a plurality of rollers (10) are rotatably arranged on the bottom plate (1), and the sliding plate (6) is placed on the rollers (10).
7. The coated sand mold clamping device according to claim 1, characterized in that: the positioning device is characterized in that a linear bearing (130) is arranged in the positioning hole, and the linear bearing (130) is sleeved on the positioning rod (21).
CN202011534436.0A 2020-12-22 2020-12-22 Tectorial membrane sand closing device Pending CN112808950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011534436.0A CN112808950A (en) 2020-12-22 2020-12-22 Tectorial membrane sand closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011534436.0A CN112808950A (en) 2020-12-22 2020-12-22 Tectorial membrane sand closing device

Publications (1)

Publication Number Publication Date
CN112808950A true CN112808950A (en) 2021-05-18

Family

ID=75853697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011534436.0A Pending CN112808950A (en) 2020-12-22 2020-12-22 Tectorial membrane sand closing device

Country Status (1)

Country Link
CN (1) CN112808950A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070485A (en) * 2014-06-20 2014-10-01 重庆红旗杰勋车轮有限公司 Balance type pressing plate
CN105215316A (en) * 2015-10-29 2016-01-06 重庆迎瑞升压铸有限公司 Pressurized mechanism
CN108212453A (en) * 2017-12-15 2018-06-29 陈鑫利 A kind of glass material medical waste Bidirectional-squeezing breaker
CN109732847A (en) * 2018-12-20 2019-05-10 福建泉州市嘉隆模具有限公司 A kind of novel PVC injection moulding machine
CN210943725U (en) * 2019-12-03 2020-07-07 武汉盖伦科技有限公司 Automatic material moving machine with clamping structure convenient to overturn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104070485A (en) * 2014-06-20 2014-10-01 重庆红旗杰勋车轮有限公司 Balance type pressing plate
CN105215316A (en) * 2015-10-29 2016-01-06 重庆迎瑞升压铸有限公司 Pressurized mechanism
CN108212453A (en) * 2017-12-15 2018-06-29 陈鑫利 A kind of glass material medical waste Bidirectional-squeezing breaker
CN109732847A (en) * 2018-12-20 2019-05-10 福建泉州市嘉隆模具有限公司 A kind of novel PVC injection moulding machine
CN210943725U (en) * 2019-12-03 2020-07-07 武汉盖伦科技有限公司 Automatic material moving machine with clamping structure convenient to overturn

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