CN110682402A

CN110682402A - Anti-resonance vibration platform

Info

Publication number: CN110682402A
Application number: CN201911110622.9A
Authority: CN
Inventors: 仕永涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-01-14

Abstract

The invention relates to the technical field of concrete vibration forming machinery, in particular to an anti-resonance vibration platform which comprises a top mould and a mould bottom frame arranged at the lower end of the top mould. The anti-resonance vibration platform is characterized in that the vibration motor base is provided with a rubber supporting pad longitudinally arranged at the bottom, the vibration motor base is fixedly arranged on the bottom vibration platform, the bottom vibration platform and the shaft support, the vibration motor base is isolated from the ground, the ground vibration caused by the vibration platform is reduced, the top assembling groove with a built-in spring steel plate is formed in the upper end of the shaft support, and the spring steel plate is elastically connected with the lower surface of the bottom frame of the mold, so that the mold and the vibration platform can be conveniently controlled by matching with the vibration motor, a better vibration effect is obtained under the condition of the same motor specification and quantity, the vibration frequency is controllable, the vibration amplitude is adjustable, and the.

Description

Anti-resonance vibration platform

Technical Field

The invention relates to the technical field of concrete vibration molding machinery, in particular to an anti-resonance vibration platform.

Background

Most of the existing vibration molding machines are connected with a vibration table through eccentric motors to drive the platform to vibrate together, and the concrete freely placed on the platform and the mold vibrate together. The object needing vibration cannot be connected with the vibration table, so that when the vibration frequency is too high, the object cannot vibrate at the same frequency as the vibration table or even move or even turn over, the vibration effect is uneven, and the effect is poor, so that the die is damaged. If the object to be vibrated is fixed with the vibration table to form a whole, the vibration amplitude is too small, the vibration effect is weaker, a larger vibration motor is needed, and the cost is increased.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problems in the prior art, an improved anti-resonance vibration platform is provided to solve the problems in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: an anti-resonance vibration platform comprises a top mold, a mold bottom frame arranged at the lower end of the top mold, a vibration motor base, a vibration motor and an air bag for air pressure locking, the upper surface of the base of the vibration motor is fixed with a bottom vibration table through bolts, the top end of the bottom vibration table is welded and fixed with a shaft support with a transverse connecting shaft on the side wall, a turnover hook for fixing the bottom frame of the mold is sleeved on a transverse connecting shaft of the shaft support, the air bag is fixedly arranged on the outer side surface of the shaft support through a bolt, the top end of the piston telescopic rod at the inner side of the air bag is movably connected with the lower end of the turnover hook through a movable connecting frame, the upper end of the shaft support is provided with a top assembly groove with a built-in spring steel plate, the two ends of the interior of the spring steel plate are provided with internal assembly through holes with built-in longitudinal fixing bolts, the die bottom frame and the spring steel plate and the shaft support and the spring steel plate are fixedly connected through longitudinal fixing bolts.

Furthermore, in order to reduce the ground vibration caused by the vibration table, the outer side of the vibration motor base is fixedly provided with a damping pad at the lower end of the vibration table at the bottom.

Further, in order to promote bottom damping performance, promote vibration amplitude, four of shock dynamo base lower extreme fixedly connected with indulge and put the rubber supporting pad, shock dynamo base lower surface with indulge and put fixedly connected with triangle-shaped body structure steel reinforcing plate between the rubber supporting pad lateral surface.

Further, for the cooperation assembly, conveniently load and unload, mould underframe inner side lower extreme correspond upset hook position welded fastening and have a fixed connection board, the gas bag through control upset hook upset card with mould underframe fixed connection on the fixed connection board.

Furthermore, in order to improve the firmness of the clamped and fixed connecting plate, the upper surface of the fixed connecting plate is provided with an overhead assembly limiting groove used for improving the firmness of the connecting end of the turnover hook.

Furthermore, in order to facilitate connection and fixation, the top mold and the mold bottom frame are fixedly connected through welding.

Furthermore, for the convenience of being applicable to the vibration board of multiple size height, the upset hook include with the middle part connecting plate that the activity of horizontal connecting axle cup jointed, fix the lower part control panel and the flexible joint hook of the flexible joint in middle part connecting plate upper end of middle part connecting plate lower extreme and gas bag through pivot swing joint at the middle part connecting plate lower part control panel.

Furthermore, in order to match elastic expansion, the upper end of the middle connecting plate is provided with an internal expansion blind hole, and the elastic expansion clamping hook comprises a top connecting hook, a bottom inserting plate inserted with the internal expansion blind hole and a compression elastic sheet used for elastically connecting the top connecting hook with the middle connecting plate.

The anti-resonance vibration platform has the advantages that the anti-resonance vibration platform is used for fixedly mounting the vibration motor, the bottom vibration table and the shaft support through the vibration motor base with the longitudinally arranged rubber supporting pad at the bottom, so that the anti-resonance vibration platform is isolated from the ground, the ground vibration caused by the vibration table is reduced, the top assembling groove with the built-in spring steel plate is formed in the upper end of the shaft support, and the spring steel plate is elastically connected with the lower surface of the bottom frame of the mold, so that the collision between the mold and the vibration table can be conveniently controlled by matching with the vibration motor, a better vibration effect can be obtained under the condition of the same motor specification and quantity, the vibration frequency is controllable, the vibration amplitude is adjustable, and.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partial schematic view of the attachment end of the inverted hook of the present invention.

Fig. 3 is a cross-sectional view of the connecting end of the inverted hook of the present invention.

Fig. 4 is a sectional view of the present invention.

In the drawing, 1, a top die, 2, a die bottom frame, 3, a vibration motor base, 4, a vibration motor, 5, an air bag, 6, a bottom vibration table, 7, a transverse connecting shaft, 8, a shaft support, 9, a turnover hook, 10, a piston telescopic rod, 11, a spring steel plate, 12, a top assembling groove, 13, a longitudinal fixing bolt, 14, a shock pad, 15, a longitudinal rubber supporting pad, 16, a steel reinforcing plate, 17, a fixing connecting plate, 18, an overhead assembling limiting groove, 19, a middle connecting plate, 20, a lower control plate, 21, an internal telescopic blind hole, 22, a top connecting hook, 23, a bottom inserting plate and 24, a compression elastic sheet are arranged.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The anti-resonance vibration platform shown in fig. 1 and fig. 2 comprises a top mold 1, a mold bottom frame 2 arranged at the lower end of the top mold 1, a vibration motor base 3, a vibration motor 4 and an air bag 5 for air pressure locking, wherein the air bag 5 is the prior art and is used for locking equipment, and can be understood as a closed air vent at the outer part of the air bag 5, a telescopic connecting rod at the outer side of the air bag 5 cannot be stretched and fixed through air pressure, when the outer air vent is communicated, the air pressure at two sides can be kept consistent, so that the telescopic connecting rod can be conveniently stretched and moved, a bottom vibration table 6 is fixed on the upper surface of the vibration motor base 3 through bolts, the vibration motor 4 is fixedly connected with the vibration motor base 3 and the bottom vibration table 6 through bolts, the vibration motor base 3 is fixedly fixed on the lower flange of an i-shaped steel beam of the bottom vibration table 6, a shaft support 8 with a transverse connecting shaft 7 is welded and fixed, the cover has upset hook 9 that is used for fixed mould underframe 2 on the horizontal connecting axle 7 of axle support 8, gas bag 5 passes through bolt fixed mounting on 8 lateral surfaces of axle support, swing joint frame and 9 lower extreme swing joint of upset hook are passed through on 5 inboard piston telescopic links top of gas bag, the effect of upset hook 9 is just conveniently loading and unloading to mould underframe 2, only need ventilate gas bag 5 alright accomplish, top assembly groove 12 of built-in spring steel sheet 11 is seted up to axle support 8 upper end, the inside assembly through-hole of built-in vertical fixing bolt 13 is seted up at the inside both ends of spring steel sheet 11, all through vertical fixing bolt 13 fixed connection between mould underframe 2 and the spring steel sheet 11 and between axle support and the spring steel sheet 11. The spring steel plate 11 corresponds to a very stiff spring.

Before installing the device, firstly, the weight of a vibration object is determined, a matched spring steel plate 11 is selected according to the weight, then a firm vibration platform (namely a bottom frame for installing a motor) is manufactured, and a proper vibration motor 4 and a vibration isolation cushion are selected.

The assembly principle method comprises the following steps: 4 or more even number of symmetrical shock insulation rubber cushions (namely the shock absorption cushion 14 and the longitudinally arranged rubber supporting cushion 15) are placed on the ground, the upper part of the symmetrical shock insulation rubber cushions needs to be flat, and the vibration table is placed on the rubber cushions to isolate the vibration table from the ground, so that the ground vibration caused by the vibration table is reduced; selecting an even number of vibrating motors with proper frequency and vibration force, and symmetrically fixing the vibrating motors below or inside the vibrating table; an even number of springs are selected to reliably connect the object to be vibrated with the vibration table, and the flatness and deformation of the springs are close to the amplitude. The object (mould) to be vibrated should be contacted with the vibration table symmetrically and uniformly, which is convenient for the mould to collide with the vibration table.

Further, in order to reduce the platform that shakes and arouse ground vibrations, the vibration motor base 3 outside is located the bottom and shakes 6 lower extremes of platform fixed mounting and have the shock pad 14, shake platform and ground and be isolated with rubber shock pad 14, furtherly, in order to promote bottom damping performance, promote the vibration range, four indulge rubber supporting pad 15 of 3 lower extremes of vibration motor base fixedly connected with, vibration motor base 3 lower surface and indulge and put fixedly connected with triangle-shaped integrated into one piece structure steel reinforcing plate 16 between the 15 lateral surfaces of rubber supporting pad, furtherly, in order to cooperate the assembly, convenient loading and unloading, mould underframe 2 medial surface lower extreme corresponds upset hook 9 position welded fastening and has fixed connection board 17, gas package 5 through control upset hook 9 upset card on fixed connection board 17 with mould underframe 2 fixed connection, furtherly, in order to promote the firmness after the joint is fixed, fixed connection board 17 upper surface is offered the spacing of overhead assembly that is used for promoting upset hook 9 link firmness The groove 18, further, in order to facilitate connection and fixation, the top mold 1 and the mold bottom frame 2 are fixedly connected by welding, further, in order to facilitate the application to the vibration plates with various sizes and heights, the turning hook 9 comprises a middle connecting plate 19 movably sleeved with the transverse connecting shaft 7, a lower control plate 20 fixed at the lower end of the middle connecting plate 19 and movably connected with the air bag 5 through a rotating shaft, and an elastic telescopic clamping hook movably connected at the upper end of the middle connecting plate 19, further, in order to match elastic expansion, the upper end of the middle connecting plate 19 is provided with an internal telescopic blind hole 21, the elastic telescopic clamping hook comprises a top connecting hook 22, a bottom plug-in plate 23 plugged with the internal telescopic blind hole 21, and a compression spring plate 24 used for elastically connecting the top connecting hook 22 and the middle connecting plate 19, and the anti-resonance vibration platform of the invention is used for the vibration motor 4 through the vibration motor base 3, The bottom shakes platform 6 and axle support 8 and carries out fixed mounting, thereby keep apart with ground, the reduction platform that shakes arouses ground vibrations, and through the top assembly groove 12 of seting up built-in spring steel sheet 11 in axle support 8 upper ends, utilize spring steel sheet 11 and 2 lower surface elastic connection of mould underframe, thereby cooperation shock dynamo 4 makes things convenient for control mould and the collision of platform that shakes, obtain better vibration effect under the condition of same motor specification and quantity, and vibration frequency and controllable, the vibration range is adjustable, the vibration effect is even.

The working principle is as follows: the vibration motor 4 drives the platform to vibrate together, the platform that shakes drives the vibration of top mould 1 and mould underframe 2 through spring steel plate 11, because the spring traction of appropriate rigidity makes the gesture of shaking the vibration of platform opposite with top mould 1 and mould underframe 2 all the time, top mould 1 and mould underframe 2 downward motion just when shaking the platform upward movement, then both clashes, then reverse motion separately, top mould 1 and mould underframe 2 obtain the biggest vibration energy and acceleration, make the concrete in top mould 1 and the mould underframe 2 also obtain the maximum acceleration, the crowded dense effect of biggest has been obtained. The vibration of the platform that shakes gives the mould through striking mould transmission vibration, and leaf spring restraint mould vibration amplitude with the platform with shaking the same frequency vibration in certain extent, the mould and the underframe of the same frequency vibration and the platform of shaking have formed an anti-resonance system, and the vibration frequency and the amplitude of mould are controllable like this, just so can realize shaking the platform amplitude less, and mould vibration amplitude is great, and the anti-resonance of system just can realize.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an anti-resonance vibration platform, includes top mould (1), installs mould underframe (2), shock dynamo base (3), shock dynamo (4) and be used for gas bag (5) of atmospheric pressure locking at top mould (1) lower extreme, characterized by: the upper surface of the vibration motor base (3) is fixed with a bottom vibration table (6) through bolts, a shaft support (8) with a transverse connecting shaft (7) is arranged on the top end welding and fixing side wall of the bottom vibration table (6), the transverse connecting shaft (7) of the shaft support (8) is sleeved with a turnover hook (9) used for fixing a mold bottom frame (2), an air bag (5) is fixedly installed on the outer side surface of the shaft support (8) through bolts, the top end of an inner piston telescopic rod (10) of the air bag (5) is movably connected with the lower end of the turnover hook (9) through a movable connecting frame, a top assembling groove (12) with a built-in spring steel plate (11) is formed in the upper end of the shaft support (8), internal assembling through holes (13) with built-in longitudinal fixing bolts (13) are formed in two ends inside the spring steel plate (11), and between the mold bottom frame (2) and the spring steel plate (11) and between the spring shaft support (8) and the spring steel plate (11) are respectively through bolts The longitudinal fixing bolt (13) is fixedly connected.

2. The anti-resonant vibration platform of claim 1, wherein: the outer side of the vibration motor base (3) is positioned at the lower end of the bottom vibration table (6) and is fixedly provided with a shock pad (14).

3. The anti-resonant vibration platform of claim 1, wherein: shock dynamo base (3) lower extreme fixedly connected with indulges and puts rubber support pad (15), shock dynamo base (3) lower surface with indulge and put fixedly connected with triangle-shaped integral structure steel reinforcing plate (16) between rubber support pad (15) lateral surface.

4. The anti-resonant vibration platform of claim 1, wherein: the mould underframe (2) medial surface lower extreme correspond upset hook (9) position welded fastening and have fixed connection board (17), gas pocket (5) overturn the card through control upset hook (9) and go up with mould underframe (2) fixed connection on fixed connection board (17).

5. The anti-resonant vibration platform of claim 4, wherein: and the upper surface of the fixed connecting plate (17) is provided with an overhead assembly limiting groove (18) for improving the firmness of the connecting end of the turnover hook (9).

6. The anti-resonant vibration platform of claim 1, wherein: the top mold (1) and the mold bottom frame (2) are fixedly connected through welding.

7. The anti-resonant vibration platform of claim 1, wherein: the turnover hook (9) comprises a middle connecting plate (19) movably sleeved with the transverse connecting shaft (7), a lower control plate (20) fixed at the lower end of the middle connecting plate (19) and movably connected with the air bag (5) through a rotating shaft, and an elastic telescopic clamping hook movably connected to the upper end of the middle connecting plate (19).

8. The anti-resonant vibration platform of claim 7, wherein: the middle connecting plate (19) upper end seted up inside flexible blind hole (21), the flexible joint hook of elasticity include top coupling hook (22), bottom plugboard (23) of pegging graft mutually with inside flexible blind hole (21) and be used for compression shell fragment (24) of elastic connection top coupling hook (22) and middle connecting plate (19).