CN218591755U - Plain jolter of lost foam casting sand box - Google Patents

Abstract

The utility model relates to a casting part field of making, concretely relates to plain jolt of disappearance mould casting sand box, including vibrations base, electromagnetic shaker, vibrations board, bolster and sand case push pedal, the vibrations board erects in the top of vibrations base through the bolster, and both keep parallel, and the electromagnetic shaker is installed in the bottom of vibrations board, installs the slide rail at the top of vibrations board, is equipped with the pulley in the bottom of sand case push pedal, and the sand case push pedal passes through pulley slidable mounting in the vibrations board top, and the top of sand case push pedal is equipped with the locker, and the sand box passes through the locker locking in the sand case push pedal. This design not only has the vibrations range great, and the effectual function of jolt ramming, can directly utilize the sand box push pedal of taking the gyro wheel to push away to the vibrations board after the sand is filled to the sand box, alleviates transport work degree, labour saving and time saving to can also make things convenient for the top at any time to add sand convenient operation.

Description

Plain jolter of lost foam casting sand box

Technical Field

The utility model relates to a casting manufacturing field, concretely relates to plain jolter of disappearance mould casting sand box.

Background

The sand box for lost foam casting plays a very important role in the lost foam casting process. The box body is formed by combining steel plates, channel steel, stainless steel nets, grid bars and the like, and has elegant appearance and durability.

Baidu encyclopedia of: the sand box is a key device in the lost foam casting production and is divided into a complex sand box, a simple sand box and the like according to different purposes. The complex sand box can achieve the most reasonable negative pressure field when the casting is vacuumized in the sand box, so that the full-box casting can be well molded without defects. For some castings with simple shapes and low requirement on the uniformity of a negative pressure field during pouring, a simple sand box can be adopted; the design is mainly based on the actual situation of the customer.

The complex sand box does not need to vibrate, the compaction work of the sand is completed through negative pressure suction, but in order to save cost, the simple sand box is not suitable for negative pressure equipment, and the compacted sand needs to tamp the sand in the sand box by vibration so as to ensure the structural strength of the sand mould and the smoothness of the joint surface of the sand mould and the model.

In the patent application number of the Chinese utility model: the CN202020524408.X discloses a movable sand box jolt ramming device, which comprises a flat car, a jolt ramming part, a jacking device and a controller; the flat plate trolley comprises a trolley flat plate and wheels; the four wheels are fixed below the trolley flat plate; the real vibration part comprises a jolt ramming table, a vibration motor, a guide shaft, a linear bearing and a connecting plate; the utility model discloses a beneficial effect is: when in molding, the utility model is used, operators do not need to tamp the sand in the sand box through a wooden stick or a metal pipe, thereby avoiding the arm ache of the operators and indirectly improving the molding efficiency; compared with a sand mold which is tamped manually, the jolt sand mold of the utility model is more compact and uniform, and the surface quality of a casting obtained by sand mold casting can be improved; vibration generated by the vibration motor during working is absorbed by the damping type air bag and then transmitted to the guide shaft, so that the service lives of the flat car, the electric cylinder and the controller can be prolonged. When the device is used, the jolt ramming table pushes against the sand box to vibrate, the vibration amplitude is small, the jolt ramming effect is poor, and meanwhile, the connecting plate easily causes abrasion to the jacking device.

Still like utility model patent number: ZL202220133977.0 discloses a three-dimensional plain jolter for a sand-turning box convenient for a model and sand to be fully attached, which comprises a movable trolley, wherein four corners of the top of the movable trolley are respectively and longitudinally inserted with guide shafts in a penetrating manner, the tops of the four guide shafts are fixedly connected with connecting plates together, the bottoms of the four guide shafts are fixedly connected with vibration plates together, the middle parts of the front side and the rear side of each connecting plate are symmetrically and fixedly connected with first fixing blocks, and the bottoms of the two first fixing blocks are symmetrically and fixedly connected with hollow cylinders. This three-dimensional plain jolter for sand turning box convenient to model and grit are fully laminated can drive the sand box vibrations through the hollow cylinder that sets up, vibrations spring, placing vibrations board, vibrating motor, guiding axle, the mutually supporting of connecting plate, places the sand box and shakes at the top of placing the vibrations board, and cooperation vibrations spring is flexible from top to bottom, and the range of vibrations is big, and it is effectual to shake, can ensure that the grit is fully laminated. The jolt ramming platform solves the problems of small vibration amplitude and poor jolt ramming effect, but the jolt ramming platform has a landslide, a sand box needs to be pushed up and pushed down, the sand box is heavy after being filled, the operation is not labor-saving, a connecting plate is covered on the jolt ramming platform, sand is jolted after the sand box vibrates, the situation that sand needs to be added possibly exists, and the connecting plate can influence sand filling.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a plain jolter of disappearance mould casting sand box not only has vibration amplitude great, and the effectual function of plain jolter, can directly utilize the sand box push pedal of taking the gyro wheel to push away to the vibrations board after the grit is filled with to the sand box, alleviates transport degree of operation, labour saving and time saving to can also make things convenient for the top at any time to add sand, convenient operation.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a plain jolt of disappearance mould casting sand box, includes vibrations base, electromagnetic shaker, vibrations board, bolster and sand box push pedal, the vibrations board erects in the top of vibrations base through the bolster, and both keep being parallel, and the vibrator is installed in the bottom of vibrations board, installs the slide rail at the top of vibrations board, is equipped with the pulley in the bottom of sand box push pedal, and the sand box push pedal passes through pulley slidable mounting in the vibrations board top, and the top of sand box push pedal is equipped with the locker, and the sand box passes through the locker locking in the sand box push pedal.

Preferably, the bolster is equipped with two and more than two, and the symmetry is installed in the front and back both sides of vibrations board and vibrations base, and the slide rail is equipped with two sets ofly and arranges on the vibrations board about the length direction of vibrations board. The vibration plate is jacked up by the plurality of groups of buffer members, so that the vibration plate can be stabilized, the vibration plate can be kept stable at a constant speed in vibration, the vibration amplitude can be ensured, and the jolt effect of sand is ensured.

Preferably, the bolster includes upper junction plate, lower connecting plate, rubber bounce ball and connecting bolt, the upper end of upper junction plate is fixed in the vibrations board bottom, and the lower extreme of lower connecting plate is fixed on vibrations base, and rubber bounce ball is fixed between upper junction plate and lower connecting plate, and connecting bolt passes the lower extreme of upper junction plate and the upper end of lower connecting plate to connecting bolt's both ends utilize gasket and nut locking.

Preferably, a buffering rubber ball is further sleeved between the upper connecting plate and the gasket, and a buffering rubber ball is further sleeved between the lower connecting plate and the gasket.

Preferably, a clamping positioner is further arranged between the two parallel slide rails, the clamping positioner comprises a positioning bottom plate, a positioning frame, a positioning cylinder and a positioning locking block, the clamping locking block protruding out of the lower plane of the sand box push plate is arranged in the middle of the bottom of the sand box push plate, grooves are formed in the left-right symmetrical sides of the clamping locking block, the positioning bottom plate is fixed on the upper plane of the vibrating plate, the positioning frame is of a rectangular frame structure, the lower end of the positioning frame is hinged to the positioning bottom plate, the cylinder body of the positioning cylinder is fixed on the left side inside the positioning frame along the extending direction of the slide rails, the cylinder shaft extends towards the right side of the positioning frame, a rotating shaft perpendicular to the cylinder shaft of the positioning cylinder is arranged on the right side of the positioning frame, a pull rod is hinged to the front end of the cylinder shaft of the positioning cylinder, the lower end of the pull rod is fixedly sleeved on the rotating shaft, the curved hook-shaped positioning locking block is rigidly connected to the rotating shaft, and the positioning locking block is clamped into the grooves under the extension of the positioning cylinder.

Preferably, the two positioning locking blocks are fixed on the rotating shaft in a rigid connection mounting mode, the cylinder shaft of the positioning cylinder is arranged in the middle, and the two positioning locking blocks are arranged on two sides. The clamping positioner is used for locking the sand box push plate from two directions, so that the sand box push plate is prevented from sliding on the slide rail in vibration.

Preferably, the height of the positioning frame is lower than that of the sliding rail, when the positioning cylinder retracts, the positioning locking block is in a pressing state, and when the positioning locking block is pressed downwards, the height of the positioning locking block is also lower than that of the sliding rail. The locating rack can not interfere the stable parking of the sand box push plate on the vibrating plate.

Preferably, the locker is a dovetail seat, a sliding groove is formed in the sand box push plate, the dovetail seat is embedded in the sliding groove, the dovetail seat is higher than the upper plane of the sand box push plate, and the sand box is arranged between the two dovetail seats on the symmetrical sides after being placed on the sand box push plate. The locker locks the sand box on the sand box push plate, so that the sand box is prevented from sliding down when the sand box push plate moves, and the situation that the sand box is locked by the locker to prevent sliding down when the ground of a factory is uneven or a foreign object is met is avoided when the sand box push plate hits the back locker.

Compared with the prior art, the utility model beneficial effect be: the vibrations base of this design, electromagnetic shaker and vibrations board constitute vibrations platform, the bolster has still been designed and the stationarity that vibrations range and frequency of vibration are controlled to the bolster, guarantee that the vibrations board shakes about fixed position, the sand box push pedal has still been designed, the sand box push pedal that has the gyro wheel can lightly swift drive the sand box of filling with sand and mould and remove at will, the problem of satisfying the transport after the sand is filled with to the sand center sand box of background art has been solved, this plain bumper can be placed and use below the horizon line in workshop, the sand box push pedal can be directly from transporting the sand box fast to the plain bumper under the dress sand funnel like this, move at the level land, do not need hoist and mount such as truss, the simple operation is laborsaving. Or the plain jolter is directly arranged at the lower end of the sand filling funnel, so that after the plain jolter is vibrated and compacted, the sand box has spare positions, and can quickly supplement sand.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a right-side schematic view of the present invention;

FIG. 3 is a front view of a clamp positioner in a three-dimensional configuration;

fig. 4 is a front view of the clamping positioner.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.

The jolting platform of the lost foam casting sand box shown in figures 1, 2, 3 and 4 comprises a vibration base 1, a vibrator 2, a vibration plate 3, a buffer 4 and a sand box push plate 5, wherein the vibration plate 3 is erected above the vibration base 1 through the buffer 4, the vibration base and the vibration plate are kept parallel, the vibrator 2 is installed at the bottom of the vibration plate 3, a slide rail 6 is installed at the top of the vibration plate 3, a pulley 50 is arranged at the bottom of the sand box push plate 5, the sand box push plate 5 is slidably installed above the vibration plate 3 through the pulley 50, a locker 7 is arranged at the top of the sand box push plate 5, and a sand box 8 is locked on the sand box push plate 5 through the locker 7. The locking device 6 is a dovetail seat, a sliding groove is formed in the sand box push plate 5, the dovetail seat is embedded in the sliding groove, the height of the dovetail seat is higher than the upper plane of the sand box push plate 5, and the sand box 8 is arranged between the two dovetail seats on the symmetrical sides after being placed on the sand box push plate 5. The locker 6 firmly fixes the sand box 8 on the sand box push plate 5, and the sand box push plate 5 utilizes the universal wheels to easily and quickly transfer the sand box 8 filled with sand to the plain jolt ramming table to complete plain jolt ramming work.

In this case, the buffer 4 is provided with two or more than two, specifically 6 pieces, and is symmetrically installed at the front and back sides of the vibration plate 3 and the vibration base 1, and each side edge is provided with 3 pieces of buffer 4. In addition, the slide rail 6 is provided with two sets which are arranged on the vibration plate 6 along the length direction of the vibration plate 3. The arrangement direction of the slide rails 6 extends along the arrangement direction of the buffers 4. Specifically, the buffer 4 includes an upper connection plate 40, a lower connection plate 41, a rubber ball 42 and a connection bolt 43, the upper end of the upper connection plate 40 is fixed at the bottom of the vibration plate 6, the lower end of the lower connection plate 41 is fixed on the vibration base 1, the rubber ball 42 is fixed between the upper connection plate 40 and the lower connection plate 41, the upper connection plate 40 and the lower connection plate 41 are both in a trapezoidal shape, the connection bolt 43 penetrates through the lower end of the upper connection plate 40 and the upper end of the lower connection plate 41, and the two ends of the connection bolt 43 are locked by a gasket and a nut. In order to further increase the elastic connection effect of the connecting bolt 43, a buffer rubber ball 44 is further sleeved between the upper connecting plate 40 and the gasket, and a buffer rubber ball 44 is also sleeved between the lower connecting plate 41 and the gasket, so that the design can avoid that the nuts at the two ends of the connecting bolt 43 are locked too tightly and an elastic space of the rubber elastic ball 42 needs to be reserved, and the manual connection cannot be held, so that the effect of elastic connection is realized by increasing the buffer rubber ball for a long time.

The bolster 4 structure of above design is for the steady vibrations that the cooperation electromagnetic shaker 2 realized the vibrations of vibrations board 3, and the effect of following tight locator 9 of clamp is exactly locking sand box push pedal 5 so for tightly locking after sand box push pedal 5 pushes away to vibrations board 3 is on vibrations board 3, thereby produces the tight real effect of displacement influence sand when avoiding shaking.

Specifically, the clamping positioner 9 is arranged between two parallel slide rails 6, and comprises a positioning bottom plate 90, a positioning frame 91, a positioning cylinder 92 and a positioning locking block 93, wherein the middle of the bottom of the sand box push plate 5 is provided with the clamping locking block 51 protruding out of the lower plane of the sand box push plate 5, the bilateral symmetry side of the clamping locking block 51 is provided with a groove, the positioning bottom plate 90 is fixed on the upper plane of the vibrating plate 3, the positioning frame 91 is of a rectangular frame structure, the lower end of the positioning frame 91 is hinged on the positioning bottom plate 90, the cylinder body of the positioning cylinder 92 is fixed on the left side inside the positioning frame 91 along the extending direction of the slide rails 6, the cylinder shaft extends towards the right side of the positioning frame 91, the right side of the positioning frame 91 is provided with a rotating shaft 94 perpendicular to the cylinder shaft of the positioning cylinder, the front end of the cylinder shaft of the positioning cylinder 92 is hinged with a pull rod 95, the lower end of the pull rod 95 is fixed on the rotating shaft 91, the rotating shaft 91 is also rigidly connected with the hook-shaped positioning locking block 93, and the positioning locking block 93 is clamped into the groove under the extension and retraction of the positioning cylinder 92. The groove of the clamping lock block 51 is in the shape of an inward concave L, and the shape of the groove is matched with the shape of the hook-shaped positioning lock block 93.

In this case, two positioning lock blocks 93 are provided, and are fixed to the rotating shaft 91 in a rigidly connected manner, and the cylinder shaft of the positioning cylinder 92 is in the middle, and the two positioning lock blocks 93 are on both sides. Moreover, the groove of the clamping lock block 51 is in a concave L shape, and the shape of the groove is matched with that of the hook-shaped positioning lock block 93. When the cylinder shaft of the positioning cylinder 92 extends out, the hinged pull rod 95 horizontally pushes the lower end of the cylinder shaft to swing, the lower end drives the rotating shaft 91 to rotate, then the positioning locking block 93 rigidly connected to the rotating shaft 91 rotates, and after the sand box push plate 5 is pushed to a fixed position on the vibration plate 3, the positioning cylinder 92 is started, so that the hook-shaped positioning locking block 93 can be clamped into the groove of the clamping locking block 51. Because the groove is in an L-shaped inner buckle shape, when the rotating shaft 91 rotates, the hook rotates from a state of being laid down on the positioning bottom plate, and rotates to buckle into the groove in the inner buckle shape, the sand box push plate 5 is tensioned, and when the vibrating plate 3 vibrates, the sand box push plate 5 cannot slide back and forth along the sliding rail.

It should be noted that, in order to avoid interference, the height of the positioning frame 91 is lower than that of the slide rail 6, when the positioning cylinder 92 retracts, the positioning lock block 93 is in a pressing state, and when the positioning lock block 93 is pressed, the height is also lower than that of the slide rail 6.

In addition, a wedge plate 52 capable of sliding up and down is arranged on the side wall of the sand box push plate 5, the lowest falling position of the wedge plate 52 is lower than the lower plane of the sand box push plate 5, a baffle plate 60 is arranged at the end of the slide rail 6 in the length direction, the height of the baffle plate 60 is lower than the lower plane of the sand box push plate 5, and the lowest falling position of the wedge plate 52 is lower than the upper plane of the baffle plate 60. The distance between the shutter 60 and the clamp lock block 51 is equal to the distance between the shutter 60 and the positioning lock block 93. Therefore, when the sand box push plate 5 is pushed to the vibrating plate 3, the baffle plate 60 can be impacted by the falling of the wedge plate 52, the clamping distance between the positioning clamping locking block 51 and the positioning locking block 93 is further ensured, so that under the invisible condition, a worker directly pushes the sand box push plate 5 to the sliding rail 6 of the vibrating plate 3, the placing distance of the sand box push plate 5 on the sliding rail can be ensured by the baffle plate 60 and the wedge plate 52, after positioning is completed, the positioning air cylinder 92 is started, and the positioning locking block 93 is rotationally clamped into the groove. After the vibration is finished, the positioning cylinder 92 is deflated and retracts, the positioning locking block 93 is pulled back, and the sand box push plate 5 can be pulled out of the slide rail by returning, so that the whole sand box 8 jolt process is completed.

The jolt ramming mount of the lost foam casting piece sand box provided by the utility model is introduced in detail. The description of the specific embodiments is only for the purpose of helping understanding the method of the present invention and the core idea thereof, and 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 these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (7)

1. The utility model provides a plain jolter of disappearance mould casting sand box which characterized in that: including vibrations base, electromagnetic shaker, vibrations board, bolster and sand box push pedal, the vibrations board erects in the top of vibrations base through the bolster, and both keep parallel, and the electromagnetic shaker is installed in the bottom of vibrations board, installs the slide rail at the top of vibrations board, is equipped with the pulley in the bottom of sand box push pedal, and the sand box push pedal passes through pulley slidable mounting in vibrations board top, and the top of sand box push pedal is equipped with the locker, and the sand box passes through the locker locking in the sand box push pedal.

2. A ram for a lost foam casting flask as defined in claim 1, wherein: the bolster is equipped with two and more than two, and the symmetry is installed in the front and back both sides of vibrations board and vibration base, and the slide rail is equipped with two sets ofly and arranges about the length direction of vibrations board on the vibrations board.

3. A ram for a lost foam casting flask as defined in claim 2, wherein: the buffer piece comprises an upper connecting plate, a lower connecting plate, a rubber elastic ball and a connecting bolt, the upper end of the upper connecting plate is fixed at the bottom of the vibrating plate, the lower end of the lower connecting plate is fixed on the vibrating base, the rubber elastic ball is fixed between the upper connecting plate and the lower connecting plate, the connecting bolt penetrates through the lower end of the upper connecting plate and the upper end of the lower connecting plate, and the two ends of the connecting bolt are locked by utilizing gaskets and nuts.

4. The jolter for a lost foam casting flask as recited in claim 3, wherein: the buffer rubber ball is also sleeved between the upper connecting plate and the gasket, and the buffer rubber ball is also sleeved between the lower connecting plate and the gasket.

5. A ram for a lost foam casting flask as defined in claim 2, wherein: a clamping positioner is also arranged between the two parallel slide rails, the clamping positioner comprises a positioning bottom plate, a positioning frame, a positioning cylinder and a positioning locking block, the middle of the bottom of the sand box push plate is provided with the clamping locking block which protrudes out of the lower plane of the sand box push plate, the left and right symmetrical sides of the clamping locking block are provided with grooves,

the positioning bottom plate is fixed on the upper plane of the vibrating plate, the positioning frame is of a rectangular frame structure, the lower end of the positioning frame is hinged to the positioning bottom plate, the cylinder body of the positioning cylinder is fixed on the left side inside the positioning frame along the extending direction of the sliding rail, the cylinder shaft extends towards the right side of the positioning frame, a rotating shaft perpendicular to the cylinder shaft of the positioning cylinder is arranged on the right side of the positioning frame, the front end of the cylinder shaft of the positioning cylinder is hinged to a pull rod, the lower end of the pull rod is fixedly sleeved on the rotating shaft, the rotating shaft is also rigidly connected with a hook-shaped positioning locking block, and the positioning locking block is clamped into the groove under the stretching of the positioning cylinder.

6. A ram for a lost foam casting flask as claimed in claim 5, wherein: the height of locating rack is less than the height of slide rail, and when the location cylinder withdrawed, the location locking piece was in the state of pushing down, and its height also was less than the height of slide rail when the location locking piece pushed down.

7. A ram for a lost foam casting flask as defined in claim 1, wherein: the locking device is a dovetail seat, a sliding groove is formed in the sand box push plate, the dovetail seat is embedded in the sliding groove, the height of the dovetail seat is higher than the upper plane of the sand box push plate, and the sand box is placed between the two dovetail seats on the symmetrical sides of the sand box push plate.

Images