阅读说明：本技术 一种防止翻箱装置失速的铸造砂箱 (Casting sand box capable of preventing stall of box turnover device ) 是由 蔡娟 于 2021-01-20 设计创作，主要内容包括：本发明涉及铸造砂箱技术领域,且公开了一种防止翻箱装置失速的铸造砂箱,包括底座,所述底座右侧活动连接有主转轴,主转轴内部固定连接有液压器,主转轴外侧活动连接有卡接块,卡接块内侧固定连接有弹簧一,卡接块内侧固定连接有液压杆,主转轴内部开设有启动槽,启动槽外侧固定连接有弹簧二。该防止翻箱装置失速的铸造砂箱,通过卡接块与卡接槽的相互配合,当产品失速时,卡接块在弹簧一弹力的作用下与卡接槽接触卡接状态,使主转轴空转,同时通过电磁铁与永磁体的相互作用使得锁定块克服弹簧三弹力作用移动并与锁定槽相互挤压,形成相互作用力,固定各部件位置,实现了产品的防止失速和自动保护功能。(The invention relates to the technical field of casting sand boxes and discloses a casting sand box capable of preventing a box turnover device from stalling. This prevent casting sand box of device stall that turns over case, through mutually supporting in joint piece and joint groove, when the product stall, the joint piece under the effect of spring elasticity with joint groove contact joint state, make main pivot idle running, the interact through electro-magnet and permanent magnet makes the locking piece overcome three elasticity of spring effect removal and with the mutual extrusion of locking groove simultaneously, forms the interaction power, each part position of fixing, has realized preventing stall and automatic protect function of product.)

1. A casting sand box for preventing stall of a box turnover device comprises a base (1), and is characterized in that: the right side of the base (1) is movably connected with a main rotating shaft (2), a hydraulic press (3) is fixedly connected inside the main rotating shaft (2), the outer side of the main rotating shaft (2) is movably connected with a clamping block (4), the inner side of the clamping block (4) is fixedly connected with a spring I (5), the inner side of the clamping block (4) is fixedly connected with a hydraulic rod (6), a starting groove (7) is formed inside the main rotating shaft (2), the outer side of the starting groove (7) is fixedly connected with a spring II (8), the inner side of the starting groove (7) is movably connected with a starting block (9), the inner side of the starting groove (7) is fixedly connected with a starting contact (10), the outer side of the main rotating shaft (2) is movably connected with a driving rod (11), the left side of the base (1) is fixedly connected with a driven shaft (12), the inner part, the inner part of the control groove (14) is movably connected with a control rod (15), the outer side of the control rod (15) is fixedly connected with a spring III (16), the inner part of the control rod (15) is fixedly connected with a permanent magnet (17), the outer side of the control rod (15) is fixedly connected with a locking block (18), the outer side of the driven shaft (12) is movably connected with a driven rod (19), and a locking groove (20) is formed in the driven rod (19).

2. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: base (1) is metal material, and base (1) includes connecting seat, fixing base, motor, control assembly and electrical power generating system, and the mounting groove has been seted up on base (1) right side, and the diameter of mounting groove equals main pivot (2) diameter.

3. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: main pivot (2) are metal material, and evenly distributed's joint groove is seted up to the inside of main pivot (2), and the diameter in joint groove equals the diameter of joint piece (4), and main pivot (2) include motor, control assembly and electrical power generating system.

4. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: the clamping block (4) is made of metal materials, the surface of the clamping block (4) is smooth, and the shape of the outer surface of the clamping block (4) is matched with the shape of an inner groove of the driven shaft (12).

5. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: the hydraulic press (3) comprises a hydraulic cavity, a supercharging device and a control assembly hydraulic rod (6) which is movably connected with the hydraulic press (3), and a sealing retainer ring is arranged on the outer side of the hydraulic rod (6).

6. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: the starting block (9) comprises a moving block body and a counterweight block body, an electric contact groove is formed in the outer side of the starting block (9), and the shape of the electric contact groove is matched with that of the starting contact (10).

7. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: the electromagnet (13) comprises a magnetic body, a surrounding coil and a control assembly, the opposite surfaces of the electromagnet (13) and the permanent magnet (17) are same in magnetism, and the magnetic acting force between the electromagnet (13) and the permanent magnet (17) is larger than the elastic force of the spring III (16).

8. A casting flask for preventing stall of a turn-down apparatus according to claim 1, wherein: the outside of locking piece (18) is provided with the anti-skidding tooth's socket with locking groove (20) matched with, and locking piece (18) are metal material, and the surface radian and the locking groove (20) inner wall shape of locking piece (18) cooperate.

Technical Field

The invention relates to the technical field of casting sand boxes, in particular to a casting sand box capable of preventing a box turnover device from stalling.

Background

The sand casting refers to a casting method for producing castings in a sand mold, steel, iron and most nonferrous alloy castings can be obtained by the sand casting method, the molding materials are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, the casting method is suitable for single-piece production, batch production and mass production of the castings, a casting sand box is required to be used in the sand casting process, but the situation that the box overturning device stalls in the box overturning process of the sand box often occurs, so that the sand mold is unstable, the quality of the cast parts is further influenced, and meanwhile, unnecessary damage to the parts is generated.

In the use of casting sand box, need connect the device of turning over the case and adjust the casting sand box, nevertheless in the motion process of the device of turning over the case, because the atress is uneven, the unstable condition that can lead to the stall work to appear in the motion arm of the device of turning over the case of electric current or voltage in the product circuit for the case process speed is too fast, easily causes the sand mould unstable in the sand box, easily causes the damage of part simultaneously, can not satisfy user's user demand, has caused the loss for the user.

We have therefore proposed a casting flask which prevents the tipping device from stalling to solve the above problem.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a casting sand box for preventing the box turnover device from stalling, which has the advantages of preventing the product from stalling and automatically protecting the product when the product stalls, and solves the problems that the common casting sand box is easy to stall when the box turnover device is turned over and the sand mould is easy to cause instability.

(II) technical scheme

In order to achieve the purpose of preventing the product from stalling and automatically protecting when the product stalls, the invention provides the following technical scheme: a casting sand box for preventing stall of a box turnover device comprises a base, wherein a main rotating shaft is movably connected to the right side of the base, a hydraulic device is fixedly connected to the inside of the main rotating shaft, a clamping block is movably connected to the outer side of the main rotating shaft, a first spring is fixedly connected to the inner side of the clamping block, a hydraulic rod is fixedly connected to the inner side of the clamping block, a starting groove is formed in the main rotating shaft, a second spring is fixedly connected to the outer side of the starting groove, a starting block is movably connected to the inner side of the starting groove, a starting contact is fixedly connected to the inner side of the starting groove, a driving rod is movably connected to the outer side of the main rotating shaft, a driven shaft is fixedly connected to the left side of the base, an electromagnet is fixedly connected to the inner side of the driven shaft, control grooves are formed, the driven shaft outside swing joint has the driven lever, and the inside locking groove of having seted up of driven lever.

Preferably, the base is metal material, and the base includes connecting seat, fixing base, motor, control assembly and electrical power generating system, and the mounting groove has been seted up on the base right side, and the diameter of mounting groove equals main pivot diameter, has increased the intensity of base, has prolonged the life of base, through mutually supporting of the inside subassembly of base, has realized the case function that turns over of product.

Preferably, the main pivot is metal material, and evenly distributed's joint groove is seted up to the inside of main pivot, and the diameter in joint groove equals the diameter of joint piece, and main pivot includes motor, control assembly and electrical power generating system, has increased the intensity of main pivot, makes the joint piece install in the joint inslot of main pivot, has reduced the frictional resistance between joint piece and main pivot, and the removal of the joint piece of being convenient for has reduced the wearing and tearing of main pivot, has prolonged the life of main pivot.

Preferably, the joint piece is metal material, and the surface of joint piece is smooth, and the surface shape of joint piece cooperatees with the inside groove shape of driven shaft, has increased the intensity of joint piece, through the removal of joint piece for joint piece and the mutual joint of driven shaft make driving lever and main pivot become a whole, and when main pivot was rotatory, it is rotatory to drive the driving lever, and the rethread driving lever is mutually supported with the driven lever, realizes the case turning function of product.

Preferably, the hydraulic press includes hydraulic pressure chamber, supercharging device and control assembly hydraulic stem and hydraulic press swing joint, and the outside of hydraulic stem is provided with sealing ring, and when the product started, the hydraulic press circular telegram work, supercharging device started for the hydraulic stem moves under the hydraulic pressure effect and drives the joint piece and overcome a spring elastic action and remove, makes joint piece and the mutual joint of driven shaft, has realized the moment transmission function between the part.

Preferably, the starting block includes removal block and counterweight block, and the electricity touch slot has been seted up in the outside of starting block, and the shape that the electricity touched the slot cooperatees with the shape of starting the contact, and when main pivot stall, the starting block overcomes two elastic force effects of spring and removes under the effect of centrifugal force for the starting block contacts the signal of telecommunication with the starting contact, and the control hydraulic press stop work makes the electro-magnet circular telegram work, has realized the automatic control function of product.

Preferably, the electro-magnet includes the magnetic conductor, encircles coil and control assembly, and the opposite face magnetism of electro-magnet and permanent magnet is the same, and the magnetic force between electro-magnet and permanent magnet is greater than spring three's elasticity, and when the electro-magnet circular telegram, the electro-magnet produced magnetic field, and electro-magnet and permanent magnet are because of the same and mutual repulsion of opposite face magnetism, drive the control lever and overcome the three elasticity of spring and act on the removal, make locking block and locking groove mutual contact to make the product fixed, realized preventing fixed part, prevent the function of product stall.

Preferably, the outside of locking piece is provided with and locks locking groove matched with anti-skidding tooth's socket, and the locking piece is metal material, and the surface radian and the locking groove inner wall shape of locking piece cooperate, closely extrudees through locking piece and locking groove for locking piece and locking interlockingly produce the interact power, prevent to take place relative movement between driving lever and driven lever, realized the anti-stall function of product.

(III) advantageous effects

Compared with the prior art, the invention provides a casting sand box capable of preventing the box turnover device from stalling, which has the following beneficial effects:

1. this prevent casting sand box of device stall that turns over case, through mutually supporting in joint piece and joint groove, when the product stall, the joint piece under the effect of spring elasticity with joint groove contact joint state, make main pivot idle running, the interact through electro-magnet and permanent magnet makes the locking piece overcome three elasticity of spring effect removal and with the mutual extrusion of locking groove simultaneously, forms the interaction power, each part position of fixing, has realized preventing stall and automatic protect function of product.

2. This prevent casting sand box of turn-down rig stall through the interact of start block and spring two, when the product stall, the centrifugal force that the start block receives is greater than two spring elastic force effects, drives the start block and removes and contact each other with the start contact to the signal of telecommunication, control hydraulic press stop work, the work of simultaneous control electro-magnet circular telegram has realized the automatic control function of product, has guaranteed that the product triggers protect function when the stall, has satisfied user's user demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion of portion C of FIG. 1 according to the present invention.

In the figure: 1. a base; 2. a main rotating shaft; 3. a hydraulic press; 4. a clamping block; 5. a first spring; 6. a hydraulic lever; 7. starting a groove; 8. a second spring; 9. a start block; 10. starting a contact; 11. a driving lever; 12. a driven shaft; 13. an electromagnet; 14. a control slot; 15. a control lever; 16. a third spring; 17. a permanent magnet; 18. a locking block; 19. a driven lever; 20. and locking the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a casting sand box for preventing stall of a box turnover device comprises a base 1, wherein the base 1 is made of metal material, the base 1 comprises a connecting seat, a fixed seat, a motor, a control component and a power system, the right side of the base 1 is provided with a mounting groove, the diameter of the mounting groove is equal to the diameter of a main rotating shaft 2, the strength of the base 1 is increased, the service life of the base 1 is prolonged, the box turnover function of a product is realized through the mutual matching of the internal components of the base 1, the right side of the base 1 is movably connected with the main rotating shaft 2, the main rotating shaft 2 is made of metal material, the main rotating shaft 2 is internally provided with clamping grooves which are uniformly distributed, the diameter of each clamping groove is equal to the diameter of a clamping block 4, the main rotating shaft 2 comprises the motor, the control component and the power system, the strength of the main rotating shaft 2 is increased, the clamping block 4 is installed in the, the removal of the joint piece 4 of being convenient for, the wearing and tearing of main pivot 2 have been reduced, the life of main pivot 2 has been prolonged, 2 inside fixedly connected with hydraulic press 3 of main pivot, hydraulic press 3 includes the hydraulic pressure chamber, supercharging device and control assembly hydraulic stem 6 and 3 swing joint of hydraulic press, the outside of hydraulic stem 6 is provided with sealing ring, when the product starts, 3 circular telegram work of hydraulic press, supercharging device starts, make hydraulic stem 6 move under the hydraulic pressure effect and drive joint piece 4 and overcome 5 spring action removals of spring, make joint piece 4 and the mutual joint of driven shaft 12, the moment transmission function between the part has been realized.

The outer side of the main rotating shaft 2 is movably connected with a clamping block 4, the clamping block 4 is made of metal materials, the surface of the clamping block 4 is smooth, the shape of the outer surface of the clamping block 4 is matched with the shape of an inner groove of a driven shaft 12, the strength of the clamping block 4 is increased, the clamping block 4 and the driven shaft 12 are clamped with each other through the movement of the clamping block 4, a driving rod 11 and the main rotating shaft 2 are integrated, when the main rotating shaft 2 rotates, the driving rod 11 is driven to rotate, the box turning function of a product is realized through the mutual matching of the driving rod 11 and a driven rod 19, a spring I5 is fixedly connected to the inner side of the clamping block 4, a hydraulic rod 6 is fixedly connected to the inner side of the clamping block 4, a starting groove 7 is formed in the main rotating shaft 2, a spring II 8 is fixedly connected to the outer side of the starting groove 7, a starting block 9 is movably connected to the inner side of the starting, the shape that the electricity touched the groove cooperatees with the shape that starts contact 10, when main pivot 2 stalls, the effect of spring two 8 elasticity is overcome to start block 9 under the effect of centrifugal force and is removed, make start block 9 and start contact 10 contact signals of telecommunication, control hydraulic press 3 stop work and make electro-magnet 13 circular telegram work, the automatic control function of product has been realized, start 7 inboard fixedly connected with of groove start contact 10, 2 outside swing joint of main pivot have a drive lever 11, 1 left side fixedly connected with driven shaft 12 of base.

An electromagnet 13 is fixedly connected inside the driven shaft 12, the electromagnet 13 comprises a magnetic body, a surrounding coil and a control assembly, opposite faces of the electromagnet 13 and a permanent magnet 17 are same in magnetism, the magnetic acting force between the electromagnet 13 and the permanent magnet 17 is larger than the elastic force of a spring III 16, when the electromagnet 13 is electrified, the electromagnet 13 generates a magnetic field, the electromagnet 13 and the permanent magnet 17 repel each other due to the same opposite faces in magnetism, a control rod 15 is driven to move under the action of the elastic force of the spring III 16, a locking block 18 is in mutual contact with a locking groove 20, a product is fixed, the functions of preventing a fixed part and preventing the product from stalling are realized, control grooves 14 are formed in the top and the bottom of the driven shaft 12, a control rod 15 is movably connected inside the control groove 14, the spring III 16 is fixedly connected outside the control rod 15, the permanent magnet 17 is fixedly connected inside, the outside of locking block 18 is provided with the anti-skidding tooth's socket with locking groove 20 matched with, locking block 18 is metal material, the surface radian of locking block 18 cooperatees with locking groove 20 inner wall shape, closely extrude through locking block 18 and locking groove 20, make locking block 18 and locking groove 20 produce the interact power within a definite time, prevent that relative movement takes place between driving rod 11 and driven rod 19, the anti-stall function of product has been realized, driven shaft 12 outside swing joint has driven rod 19, driven rod 19 is inside to have seted up locking groove 20.

The working principle is as follows: when a product normally works, the hydraulic press 3 is electrified and pressurized, the internal pressure of the hydraulic press 3 is increased, so that the hydraulic rod 6 drives the clamping block 4 to move against the elastic force of the first spring 5, the clamping block 4 moves out of the clamping groove at the outer side of the main rotating shaft 2 and is mutually clamped with the driven shaft 12, the main rotating shaft 2 and the driving rod 11 are connected into a whole, the torque on the main rotating shaft 2 is transmitted to the driving rod 11 to drive the driving rod 11 to move, the box turning function of the product is realized, the rotating speed of the main rotating shaft 2 is in a normal working range, the centrifugal force borne by the starting block 9 is smaller than the elastic force borne by the second spring 8, the starting block 9 is not in contact with the starting contact 10, the electromagnet 13 is not electrified to work, the control rod 15 is completely retracted in the control groove 14 under the action of the elastic force of the third spring 16, the locking block 18 is in contact with the locking groove, the rotation of the main rotating shaft 2 exceeds the normal working range, the centrifugal force borne by the starting block 9 is larger than the elastic force action of the second spring 8, so that the starting block 9 moves and is in contact with the starting contact 10, the starting block 9 is in contact with the starting contact 10 to send out an electric signal, the hydraulic press 3 is controlled to be powered off, the internal pressure of the hydraulic press 3 is reduced, the clamping block 4 moves under the action of the elastic force of the first spring 5 to enable the hydraulic rod 6 to be accommodated in the hydraulic press 3, the clamping block 4 and the driven shaft 12 are released from a clamping and rotating state, the main rotating shaft 2 idles, the driving rod 11 loses power, meanwhile, the electromagnet 13 is powered on to generate a magnetic field, the electromagnet 13 and the permanent magnet 17 repel each other due to the same opposite surface magnetism, the control rod 15 overcomes the elastic force action of the third spring 16 to move, the locking block 18 is extruded on the inner wall of the locking, the stall prevention and stall protection functions of the product are realized, the sand box is prevented from being damaged due to stall when the box is turned over, and meanwhile, the component is prevented from falling due to loss of power.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.