CN211071785U

CN211071785U - Vibration sand cleaning machine

Info

Publication number: CN211071785U
Application number: CN201921662237.0U
Authority: CN
Inventors: 郑波; 杨正龙; 龙云; 程亚亚; 周强; 蒲敏
Original assignee: Chongqing Gas Compressor Factory Co Ltd
Current assignee: Chongqing Gas Compressor Factory Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-24
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to the technical field of casting cleaning equipment, in particular to a vibration sand cleaning machine, which comprises a base and a vibration frame, wherein the vibration frame is connected on the base in a sliding way; the buffer mechanism comprises a seal box and a piston, the seal box is fixed with the base, the piston is connected in the seal box in a sealing and sliding manner, and an elastic reset piece is fixedly arranged between the piston and the seal box; the mounting table is positioned on the upper side of the seal box, one side of the mounting table is fixed with the piston, and the other side of the mounting table is fixed with the vibration frame. This scheme of adoption can be more steady to making equipment operation, can also produce certain buffering to the vibration of vibrator simultaneously, reduces the vibration that the vibrator transmitted on the base to reduce the running noise of vibrator, reduce the wearing and tearing of equipment.

Description

Vibration sand cleaning machine

Technical Field

The utility model relates to a technical field of foundry goods cleaning equipment, concretely relates to vibrations sand cleaning machine.

Background

The existing vibrating sand remover comprises a base and a vibrating frame, wherein the vibrating frame is driven to reciprocate by a cam shaft which is rotatably connected to the base, two rows of elastic pieces are arranged at the bottom of the vibrating frame, and the lower ends of the elastic pieces are fixed with the base. However, the prior art has the following problems: the vibrating frame is supported by two rows of elastic parts, and when the vibrating frame is vibrated, the tilting condition is easy to occur, so that the running abrasion of the vibrating shakeout machine is large; because the power source of sand removal is in mechanical vibration, so the big technical problem of equipment running noise appears very easily, especially when the elastic component is inhomogeneous to the holding power of vibration frame and leads to the vibration frame to take place to warp, the vibration frame continues the vibration then can produce very big noise, and when the vibration frame continued the operation after warping moreover, drives the condition that the base appears the slope easily, and then leads to the base constantly to strike with the ground and produce the noise.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated to provide vibrations sand cleaning machine to when solving prior art vibration sand cleaning, equipment operation is unstable, the big technical problem of running noise.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the vibration frame is connected to the base in a sliding manner; the buffer mechanism comprises a seal box and a piston, the seal box is fixed with the base, the piston is connected in the seal box in a sliding manner, and an elastic reset piece is fixedly arranged between the piston and the seal box; the mounting table is positioned on the upper side of the seal box, one side of the mounting table is fixed with the piston, and the other side of the mounting table is fixed with the vibration frame.

The scheme has the advantages that: when the scheme is used, a casting needing sand cleaning is placed in the vibrating frame, and the vibrating frame is driven or impacted to enable the vibrating frame to vibrate, so that sand cleaning can be carried out on the casting; during vibration sand removal, the buffer mechanism can ensure that the vibration of the vibration frame is carried out in the vertical direction, and the deflection condition cannot occur; the vibration of the vibration frame is transmitted to the piston through the mounting table, and the vibration of the piston is transmitted to the elastic reset piece and converted into elastic potential energy, so that the effect of transmitting the vibration frame to the base is reduced, the effect of transmitting the vibration frame to the sealing box is reduced, and the noise emitted by the base is reduced; the vibration of the piston can generate a squeezing effect on the gas in the seal box; the compressible space of the gas is large, and the vibration of the piston can be buffered, so that the vibration transmitted to the seal box can be reduced, the vibration of the base is further reduced, the condition that the operation noise is large due to the fact that the whole equipment vibrates along with the vibrator is avoided, and the operation abrasion of the equipment is also reduced.

Preferably, as an improvement, a partition plate is fixedly arranged in the seal box, the partition plate is positioned between the piston and the seal box, and the elastic reset piece is positioned between the partition plate and the piston; a first sealed space is formed between the lower surface of the partition plate and the bottom of the seal box, and a second sealed space is formed between the upper surface of the partition plate, the seal box and the piston; the partition plate is provided with a through hole, and a one-way valve which enables gas to only flow into the first sealed space is arranged in the through hole; the piston is communicated with a one-way valve which is used for enabling gas to flow into the second sealed space only; the first sealing space is communicated with a hose, an air outlet of the hose is fixed with the vibration frame, and the hose is provided with a valve used for controlling the communication state of the hose.

When the scheme is used, the vibrator can drive the mounting table to vibrate together when vibrating, the mounting table drives the piston to reciprocate, and when the piston moves downwards, the gas in the second sealed space can be pressed into the first sealed space; when the piston moves upwards, the outside air is sucked into the second sealed space; because the vibration of the vibrator is continuous vibration in a certain period of time, the piston can reciprocate up and down for multiple times, and therefore a certain amount of compressed gas is formed in the first sealed space; after the vibrator works for a certain time, a valve on the hose is opened, so that the compressed gas in the first sealed space is sprayed to the casting on the vibrator, and the casting on the vibrator can be cleaned for the second time.

Preferably, as an improvement, the valve is a valve plate rotatably connected in the seal box, a valve hole for communicating the hose with the seal box is eccentrically arranged on the valve plate, and a driving mechanism for driving the valve plate to rotate is arranged on one side of the valve plate.

When the valve plate of this scheme rotated, enabled the hose and communicate periodically to make the user can control the connected state of hose through the slew velocity of control valve plate, and then control compressed gas carries out the clear time interval of secondary to the foundry goods.

Preferably, as an improvement, the driving mechanism comprises a first motor, and the first motor is fixed with the seal box; the valve plate is fixedly provided with a rotating shaft, the rotating shaft is rotatably connected with the sealing box, and an output shaft of the first motor is coaxially fixed with the rotating shaft.

This scheme drives the valve plate through first motor and rotates, and the user of being convenient for adjusts the slew velocity of control valve plate as required, and then control compressed gas carries out the clear cycle of secondary.

Preferably, as an improvement, a guard rail is fixedly arranged on the peripheral wall of the mounting table.

This scheme makes the foundry goods fixed more stable on the mount table, has also reduced the condition that the molding sand that falls down splashes everywhere on the foundry goods simultaneously.

Preferably, as an improvement, be equipped with the actuating mechanism who is used for driving the vibration frame on the base, actuating mechanism includes frame, second motor and is used for assaulting the camshaft of vibration frame, and the frame is fixed with the base, and the camshaft rotates to be connected in the frame, and the second motor is fixed with the frame, and the output shaft and the camshaft coaxial fixation of second motor.

This scheme drives the camshaft rotation through the second motor, makes the periodic impact vibration frame of camshaft to realized making vibration frame intermittent type nature production vibration, carried out the purpose of sand removal to the foundry goods.

Preferably, as an improvement, the elastic restoring member is provided with a plurality of elastic restoring members, and the plurality of elastic restoring members are distributed at the bottom of the seal box in an array manner.

The scheme ensures that the mounting table works more stably, and reduces the situation that the mounting table is inclined along with the vibration of the vibrator.

Preferably, as an improvement, one side of keeping away from the elasticity piece that resets on the piston is fixed and is equipped with a plurality of piston rods, and a plurality of piston rods evenly distributed are on the piston, and the upper end of a plurality of piston rods all is fixed with the lower surface of mount table.

This scheme adopts the piston rod of dispersion setting, makes the piston more even to the supporting role of vibration frame, also can reduce buffer gear's whole gravity simultaneously, guarantees that vibration frame can take place the vibration normal operating.

Preferably, as an improvement, be equipped with the actuating mechanism who is used for driving the vibration frame on the base, actuating mechanism includes frame, second motor and camshaft, and the frame is fixed with the base, and the camshaft rotates to be connected in the frame, and the second motor is fixed with the frame, and the output shaft and the camshaft coaxial fixed of second motor.

Preferably, as an improvement, a second cam for driving the piston is further provided on the camshaft.

When the driving mechanism of the scheme operates, the cam shaft rotates to drive the second cam to rotate, so that the piston is pressed downwards intermittently, air in the second sealed space can enter the first sealed space smoothly, and compressed air is accumulated in the first sealed space.

Drawings

Fig. 1 is a front sectional view of a first embodiment of the vibration sand cleaning machine of the present invention.

Fig. 2 is a sectional view taken along a-a of fig. 1.

Fig. 3 is a front sectional view of a second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a base 1, a mounting table 2, a seal box 3, a piston 4, an elastic reset piece 5, a piston rod 6, a protective guard 7, a grid plate 8, a frame 9, a second motor 10, a cam shaft 11, a first cam 12, a partition plate 13, a first sealed space 14, a second sealed space 15, a through hole 16, a hose 17, a valve plate 18, a rotating shaft 19 and a first motor 20.

Example one

As shown in the attached figures 1 and 2: the vibrating sand cleaning machine comprises a base 1, a vibrating frame, a buffering mechanism and a mounting table 2, wherein the buffering mechanism comprises a sealing box 3 and a piston 4, the sealing box 3 is fixed with the base 1 through a bolt, the piston 4 is connected into the sealing box 3 in a sliding mode along the vertical direction, an elastic resetting piece 5 is fixedly arranged between the piston 4 and the sealing box 3, the elastic resetting piece 5 is a pressure spring, the lower end of the pressure spring is fixedly welded with the sealing box 3, and the upper end of the pressure spring abuts against the lower surface of the piston 4; elasticity resets 5 and is equipped with a plurality ofly, and a plurality of elasticity resets 5 array distributions in the bottom of seal box 3, and here seal box 3 is the cuboid, and a plurality of elasticity resets 5 linear array distributions in seal box 3. The mounting table 2 is positioned on the upper side of the seal box 3, a plurality of piston rods 6 are fixedly clamped on the lower side of the mounting table 2, and the lower ends of the piston rods 6 are fixedly clamped with the piston 4; the peripheral wall of the mounting table 2 is fixedly clamped with a protective guard 7, the protective guard 7 and the upper surface of the mounting table 2 form a vibration frame for accommodating castings, and here, as shown in fig. 1 and 2, a grid plate 8 is fixedly clamped in the vibration frame, and the grid plate 8 divides the vibration frame into a plurality of small grids, so that a user can simultaneously perform sand cleaning treatment on various castings.

The base 1 is provided with a driving mechanism for driving the vibrating frame, the driving mechanism comprises a rack 9, a second motor 10 and a cam shaft 11, and the lower end of the rack 9 is welded and fixed with the base 1; the camshaft 11 is positioned between the piston 4 and the mounting table 2, two ends of the camshaft 11 are respectively rotatably connected with the frame 9 through bearings, the camshaft 11 is integrally formed with first cams 12 which are eccentrically arranged, the short diameter of each first cam 12 is smaller than the distance from the axial lead of the camshaft 11 to the lower surface of the mounting table 2, two first cams 12 are arranged in parallel, the two first cams 12 are respectively positioned on the left side and the right side of the seal box 3, and when the camshaft 11 rotates, the first cams 12 can intermittently push the mounting table 2 upwards; the second motor 10 is fixed with the frame 9 through a bolt, and an output shaft of the second motor 10 is coaxially and fixedly clamped with the cam shaft 11.

The specific implementation process is as follows: when the mounting platform is used specifically, the second motor 10 is started, the second motor 10 drives the cam shaft 11 to rotate, the cam shaft 11 rotates to drive the first cam 12 to rotate, so that the purpose of intermittently jacking the mounting platform 2 upwards is achieved, the mounting platform 2 intermittently shakes to shake molding sand adhered to a casting down, and the situation that the casting is knocked manually to clean the sand is avoided; after the installation platform 2 is jacked upwards, the installation platform can fall downwards under the action of the gravity of the installation platform 2 and the action of the pressure spring, but during falling, the pressure spring can provide a buffering effect for the installation platform 2, so that the situation that the falling speed of the installation platform 2 is too high is avoided; moreover, the buffer structure of the scheme can also ensure that the mounting table 2 only jumps up and down in a vertical plane, and the swing in the left and right directions can not be generated, so that the use state of the scheme is more stable.

Example two

As shown in fig. 3, the present embodiment is different from the first embodiment in that a horizontally disposed partition plate 13 is welded and fixed in the sealed box 3, the partition plate 13 is located between the piston 4 and the bottom wall of the sealed box 3, and the elastic restoring member 5 is located between the partition plate 13 and the piston 4; a first sealed space 14 is formed between the lower surface of the partition plate 13 and the bottom of the seal box 3, and a second sealed space 15 is formed between the upper surface of the partition plate 13, the inner peripheral wall of the seal box 3 and the piston 4; the partition plate 13 is provided with a through hole 16, and a one-way valve which is used for enabling gas to only flow into the first sealed space 14 from the second sealed space 15 is communicated in the through hole 16; the piston 4 is connected to a check valve for allowing gas to flow only into the second sealed space 15. The hose 17 is communicated with the right side wall of the first sealed space 14, an air outlet of the hose 17 is fixed with the guard rail 7 and faces the inside of the vibration frame, and during actual production, all the small cells on the vibration frame can be communicated through the hose 17, and an air outlet is formed in each small cell. The hose 17 is provided with a valve for controlling the communication state of the hose 17, the valve is a valve plate 18 which is rotatably connected to the right lower side of the seal box 3, and the valve plate 18 is eccentrically provided with a valve hole for communicating the hose 17 with the seal box 3; the right side of valve plate 18 is equipped with and is used for driving valve plate 18 pivoted actuating mechanism, and actuating mechanism includes first motor 20, and first motor 20 is fixed with seal box 3 through the bolt, and integrated into one piece has eccentric settings's axis of rotation 19 on the valve plate 18, and axis of rotation 19 passes through the shaft hole with seal box 3 and rotates and be connected, the coaxial fixed joint of output shaft and axis of rotation 19 of first motor 20.

The camshaft 11 is also provided with two second cams for driving the pistons 4, which second cams are also arranged side by side here, the two second cams having their projecting points facing in the same direction as the first cams 12.

In specific implementation, the same basic operation as in the first embodiment is performed, the second motor 10 is started to drive the cam shaft 11 to rotate, when the cam shaft 11 rotates to the position that the first cam 12 faces upwards, the first cam 12 pushes the mounting table 2 upwards, so that the mounting table 2 vibrates, and the molding sand on the casting is shaken off; meanwhile, the mounting table 2 moves upwards to drive the piston 4 to move upwards, the piston 4 moves upwards to generate negative pressure in the second sealed space 15, and outside air is sucked into the second sealed space 15; when the convex part of the first cam 12 leaves the mounting table 2, the piston 4 falls downwards under the action of the gravity of the equipment, and air in the second sealed space 15 is pressed into the first sealed space 14; when the camshaft 11 continues to rotate until the second cam faces downwards, the second cam pushes the piston 4 downwards, so that the piston 4 can move downwards further against the action of the compressed gas and the elastic resetting piece 5, and the air in the second sealed space 15 is pressed into the first sealed space 14 more, so that the compressed gas is formed in the first sealed space 14; then, the first motor 20 is started, the first motor 20 drives the rotating shaft 19 to rotate, and further drives the valve plate 18 to rotate, and the valve plate 18 rotates to drive the valve hole to be periodically communicated with the air inlet of the hose 17, so that the compressed air in the first sealed space 14 can be blown to the casting in the vibrating frame through the hose 17, and the casting is cleaned for the second time. When the second cam of this scheme rotates and collides with piston 4, can also make piston 4 produce vibration once, and piston 4 can drive mount table 2 and produce vibration once to it is faster to make sand removal speed, and efficiency is higher.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Vibrations sand cleaning machine, including base and vibration frame, vibration frame sliding connection is on the base, its characterized in that: the buffer mechanism comprises a seal box and a piston, the seal box is fixed with the base, the piston is connected in the seal box in a sliding manner, and an elastic reset piece is fixedly arranged between the piston and the seal box; the mounting table is positioned on the upper side of the seal box, one side of the mounting table is fixed with the piston, and the other side of the mounting table is fixed with the vibration frame.

2. The vibratory sand cleaner of claim 1, wherein: a partition plate is fixedly arranged in the seal box, the partition plate is positioned between the piston and the seal box, and the elastic reset piece is positioned between the partition plate and the piston; a first sealed space is formed between the lower surface of the partition plate and the bottom of the seal box, and a second sealed space is formed between the upper surface of the partition plate, the seal box and the piston; the partition plate is provided with a through hole, and a one-way valve which enables gas to only flow into the first sealed space is arranged in the through hole; the piston is communicated with a one-way valve which is used for enabling gas to flow into the second sealed space only; the first sealed space is communicated with a hose, an air outlet of the hose is fixed with the vibration frame, and the hose is provided with a valve used for controlling the communication state of the hose.

3. The vibratory sand cleaner of claim 2, wherein: the valve is a valve plate which is rotatably connected in the seal box, a valve hole for communicating the hose with the seal box is eccentrically arranged on the valve plate, and a driving mechanism for driving the valve plate to rotate is arranged on one side of the valve plate.

4. The vibratory sand cleaner of claim 3, wherein: the driving mechanism comprises a first motor, and the first motor is fixed with the seal box; the valve plate is fixedly provided with a rotating shaft, the rotating shaft is rotatably connected with the sealing box, and an output shaft of the first motor is coaxially fixed with the rotating shaft.

5. The vibratory sand cleaner of claim 1, wherein: and a protective guard is fixedly arranged on the peripheral wall of the mounting table.

6. The vibratory sand cleaner of claim 1, wherein: the base is provided with a driving mechanism used for driving the vibrating frame, the driving mechanism comprises a rack, a second motor and a cam shaft used for impacting the vibrating frame, the rack is fixed with the base, the cam shaft is rotatably connected to the rack, the second motor is fixed with the rack, and an output shaft of the second motor is coaxially fixed with the cam shaft.

7. The vibratory sand cleaner of claim 1, wherein: elasticity resets and is equipped with a plurality ofly, and a plurality of elasticity resets an array distribution in the bottom of seal box.

8. The vibratory sand cleaner of claim 1, wherein: and a plurality of piston rods are fixedly arranged on one side of the piston, which is far away from the elastic reset piece, the piston rods are uniformly distributed on the piston, and the upper ends of the piston rods are fixed with the lower surface of the mounting table.

9. The vibratory sand cleaner of claim 2, wherein: the base is provided with a driving mechanism used for driving the vibrating frame, the driving mechanism comprises a rack, a second motor and a cam shaft, the rack is fixed with the base, the cam shaft is rotatably connected to the rack, the second motor is fixed with the rack, and an output shaft of the second motor is coaxially fixed with the cam shaft.

10. The vibratory sand cleaner of claim 9, wherein: and a second cam for driving the piston is also arranged on the camshaft.