CN217452042U - Sealing device and compacting mechanism - Google Patents

Abstract

The utility model belongs to the technical field of the casting sealing device, especially, relate to a sealing device and compacting mechanism, seamless union coupling sealing member forms integration rigid seal spare, the utility model provides a prior art exist because current flexible seal makes the sealing member warp easily in the fastening to lead to appearing leaking the not tight problem of sealing such as sand, have and both improved sealed effect, effectively prevent again that the sealing member warp, and provide a long service life, precision height, non-deformable's a novel sealing member and compacting mechanism's beneficial technological effect.

Description

Sealing device and compacting mechanism

Technical Field

The utility model belongs to the technical field of the casting sealing device, especially, relate to a sealing device and compacting mechanism.

Background

With the development of the times, the requirements on automatic mechanical equipment are higher and higher, particularly the precision and the use effect of parts. The existing novel sealing element and the compacting mechanism thereof contact with a sand mold through a compacting plate and the sealing element in the using process, the size of the sealing element has strict requirements, and if the size of the sealing element is not satisfied, polyurethane on the inner wall of the sand box is easy to damage, and the service life of the sealing element can be reduced or the conditions such as lack of the sand mold caused by sand leakage can be caused. How to enable the long-lived precision of sealing member in compacting mechanism high, be the problem that needs to solve, because polyurethane itself has contractibility and elasticity, when compacting plate about through the mounting screw, it can lead to the sealing member to warp to tighten the screw to influence the result of use, serious can lead to sealed not tight the sand leakage condition that appears, prior art exists because current flexible seal makes the sealing member warp easily in the fastening, thereby leads to appearing leaking the not tight problem of sealing such as sand.

Disclosure of Invention

The utility model provides a sealing device and compacting mechanism to it makes the sealing member warp easily in the fastening owing to current flexible seal to have proposed prior art in solving above-mentioned background art, thereby leads to appearing leaking sealed not tight problems such as sand.

The utility model discloses the technical problem who solves adopts following technical scheme to realize: a sealing device comprises a seamless tube, the seamless tube and a sealing element form an integrated rigid sealing element, the rigid sealing element is placed into a casting mold through a compaction mechanism and is fixed through a sealing screw, and the rigid sealing element is cast together with a sand box during casting.

Further, the sealing element is made of polyurethane materials.

Further, the seamless pipe is a precision seamless pipe matched with the size of the sealing element.

Further, the seamless pipe and the sealing member are combined to include upper and lower end portions and inner and outer ring portions.

Meanwhile, the invention also provides a sealing compaction mechanism, which comprises an upper pressing assembly and a lower pressing assembly;

the upper pressing assembly comprises an upper pressing cylinder, the upper pressing cylinder is downwards connected to an upper pressing plate seat through an upper pressing flange, the upper pressing plate seat is downwards connected to an upper pressing plate, an upper pressing guide pillar is upwards installed on the upper pressing plate seat, the upper pressing plate is downwards installed on the sealing device, and the upper pressing assembly is limited by the upper pressing guide pillar;

the lower pressing assembly comprises a lower pressing cylinder, the lower pressing cylinder is upwards connected to a lower pressing plate seat through a lower pressing flange, the lower pressing plate seat is upwards connected to a lower pressing plate, a lower pressing guide pillar is downwards installed on the lower pressing plate seat, and the lower pressing assembly is limited by the lower pressing guide pillar.

Further, the upper pressing assembly and the lower pressing assembly press the sand box together downwards and upwards.

The beneficial technical effects are as follows:

1. the seamless pipe is combined with the sealing element to form an integrated rigid sealing element, the rigid sealing element is arranged in a pouring mold through a compaction mechanism and is fixed through a sealing screw, the rigid sealing element is poured together with a sand box in the pouring process, because the polyurethane has contractibility and elasticity, when the rigid sealing element is arranged on an upper compacting plate and a lower compacting plate through screws, the screws are screwed to cause the deformation of the sealing element, so that the use effect is influenced, the sand leakage condition caused by poor sealing can be seriously caused, the sealing element originally made of the polyurethane is changed into a novel sealing element formed by the polyurethane and a precise seamless pipe, the novel sealing element comprises the polyurethane and the precise seamless pipe, the mechanism pours the precise seamless pipe into the pouring mold, the precise seamless pipe and the polyurethane are poured together in the pouring process, and the screws are in contact with the precise seamless pipe, the deformation condition can not appear in the new form sealed when screwing up, owing to change flexible seal into just gentle mixed type and seal, both improved sealed effect, effectively prevent again that the sealing member from warping.

2. This patent adopts the sealing member adopts the polyurethane material, because polyurethane is a macromolecular compound, it has shock-resistant, stand wear and tear, hardness height and elasticity.

3. This patent adopts the seamless pipe is for the accurate seamless pipe with sealing member size matched with, owing to adopt with the accurate seamless configuration of seamless pipe, has more improved the leakproofness.

4. This patent adopts seamless pipe combines with the sealing member and includes that upper and lower tip combines, interior outer ring shape combines, because multiple combination configuration mode makes its application more nimble, strong adaptability.

5. The patent also provides a sealing and compacting mechanism, the upper pressing assembly comprises an upper pressing cylinder, the upper pressing cylinder is downwards connected to an upper compacting plate base through an upper pressing flange, the upper compacting plate base is downwards connected to an upper compacting plate, an upper pressing guide pillar is upwards installed on the upper compacting plate base, the upper compacting plate is downwards installed with the sealing device, and the upper pressing assembly is limited by the upper pressing guide pillar; the subassembly that pushes down includes lower compaction jar, lower compaction jar upwards connects in lower compaction board seat through pushing down the flange, lower compaction board seat upwards connects in lower compaction board, lower compaction board seat is the installation guide pillar that pushes down downwards, the subassembly that pushes down is injectd through pushing down the guide pillar down, because sealing member, last compaction board, go up compaction board seat, go up the compaction jar, go up compaction jar flange, go up the compaction guide pillar, push down the compaction board, push down compaction seat, push down the compaction jar, compaction jar flange, push down compaction guide pillar etc. its connected mode includes: the sealing element is arranged on the upper compaction plate through a screw, the upper compaction plate is arranged on the upper compaction plate seat through a screw, the upper compaction cylinder is arranged on the upper compaction plate seat through an upper compaction cylinder connecting flange, the upper compaction guide pillar is fixed on the upper compaction plate seat through a screw, the sealing element is arranged on the lower compaction plate through a screw, the lower compaction plate is arranged on the lower compaction plate seat through a screw, the lower compaction cylinder is arranged on the lower compaction plate seat through a lower compaction cylinder connecting flange, and the lower compaction guide pillar is fixed on the lower compaction plate seat through a screw. Sealing member, go up the compacting plate seat, go up the compaction jar flange, go up the compaction guide pillar, compacting plate, lower compacting seat, compacting jar, compaction jar flange, compacting guide pillar constitution compaction mechanism down, its theory of operation is: in the mold stripping molding line, a compaction mechanism is needed to compact sand sprayed into a sand box before sand mold molding, an upper compaction plate and a lower compaction plate which need to be provided with a novel sealing element in the compaction process squeeze the sand under the pushing of a compaction cylinder, and finally molding is carried out.

Drawings

Fig. 1 is a schematic structural view of a sealing device according to the present invention;

fig. 2 is a schematic structural diagram of a sealing and compacting mechanism according to the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

in the figure:

101-seamless tube, 102-seal, 103-seal screw;

200-upper pressing component and 300-lower pressing component;

201-upper compaction cylinder, 202-upper pressing flange, 203-upper compaction plate seat, 204-upper compaction plate, 205-upper pressing guide post and 206-sealing device;

301-lower compaction cylinder, 302-lower compaction flange, 303-lower compaction plate seat, 304-lower compaction plate and 305-lower compaction guide post;

example (b):

in this embodiment: as shown in fig. 1, a sealing device comprises a seamless tube 101, the seamless tube 101 is combined with a sealing member 102 to form an integrated rigid sealing member 102, the rigid sealing member 102 is placed in a casting mold through a compaction mechanism and is fixed through a sealing screw 103, and the rigid sealing member 102 is cast together with a sand box in the casting process.

The sealing member 102 is made of polyurethane.

The seamless tube 101 is a precision seamless tube 101 with dimensions matching those of the seal 102.

The seamless pipe 101 and the seal member 102 are joined together by upper and lower end portions and inner and outer ring joints.

As shown in fig. 2, a seal compaction mechanism comprises an upper pressing assembly 200 and a lower pressing assembly 300;

the upper pressing assembly 200 comprises an upper pressing cylinder 201, the upper pressing cylinder 201 is connected with an upper pressing plate seat 203 through an upper pressing flange 202 downwards, the upper pressing plate seat 203 is connected with an upper pressing plate 204 downwards, an upper pressing guide column 205 is installed on the upper pressing plate seat 203 upwards, the upper pressing plate 204 is installed with the sealing device 206 downwards, and the upper pressing assembly 200 is limited through the upper pressing guide column 205;

the hold-down assembly 300 includes a lower compaction cylinder 301, the lower compaction cylinder 301 being upwardly connected to a lower compaction plate base 303 via a hold-down flange 302, the lower compaction plate base 303 being upwardly connected to a lower compaction plate 304, the lower compaction plate base 303 having a hold-down guide post 305 mounted downwardly thereon, the hold-down assembly 300 being defined by the hold-down guide post 305.

The cope flask assembly 200 presses the flask downward and the drag flask assembly 300 presses upward together.

The working principle is as follows:

the utility model discloses a pass through seamless pipe combines the sealing member to form integrated rigid seal spare, rigid seal spare passes through in the compaction mechanism puts into the casting mold to it is fixed through sealed screw, rigid seal spare pours with the sand box jointly at the in-process of pouring, because polyurethane itself has contractibility and elasticity, when through mounting screw at last compacting plate, it can lead to the sealing member to warp to screw up the screw, thereby influence the result of use, serious can lead to sealed not tight sand leakage condition that appears, now change the sealing member of originally making by polyurethane totally into by polyurethane and add the novel sealing member that accurate seamless pipe constitutes, novel sealing member includes polyurethane and adds accurate seamless pipe, this mechanism is through putting accurate seamless pipe into the casting mold, in the in-process of pouring with accurate seamless pipe and polyurethane pouring together, screw and accurate seamless pipe contact, when the novel seal is screwed down, the novel seal cannot deform, meanwhile, the upper pressing assembly comprises an upper pressing cylinder, the upper pressing cylinder is downwards connected to an upper pressing plate seat through an upper pressing flange, the upper pressing plate seat is downwards connected to an upper pressing plate, an upper pressing guide pillar is upwards arranged on the upper pressing plate seat, the upper pressing plate is downwards provided with the seal device, and the upper pressing assembly is limited by the upper pressing guide pillar; the subassembly that pushes down includes lower compaction jar, lower compaction jar upwards connects in lower compaction board seat through pushing down the flange, lower compaction board seat upwards connects in lower compaction board, lower compaction board seat is the installation guide pillar that pushes down downwards, the subassembly that pushes down is injectd through pushing down the guide pillar down, because sealing member, last compaction board, go up compaction board seat, go up the compaction jar, go up compaction jar flange, go up the compaction guide pillar, push down the compaction board, push down compaction seat, push down the compaction jar, compaction jar flange, push down compaction guide pillar etc. its connected mode includes: the sealing element is arranged on the upper compaction plate through a screw, the upper compaction plate is arranged on the upper compaction plate seat through a screw, the upper compaction cylinder is arranged on the upper compaction plate seat through an upper compaction cylinder connecting flange, the upper compaction guide post is fixed on the upper compaction plate seat through a screw, the sealing element is arranged on the lower compaction plate through a screw, the lower compaction plate is arranged on the lower compaction plate seat through a screw, the lower compaction cylinder is arranged on the lower compaction plate seat through a lower compaction cylinder connecting flange, and the lower compaction guide post is fixed on the lower compaction plate seat through a screw. Sealing member, go up the compacting plate seat, go up the compaction jar flange, go up the compaction guide pillar, compacting plate, lower compacting seat, compacting jar, compaction jar flange, compacting guide pillar constitution compaction mechanism down, its theory of operation is: in the molding line of knockout, need the compacting mechanism to carry out the compaction to the grit that sprays in the sandbox before the sand mould shaping, the upper and lower compacting plate that need install novel sealing member at the compacting in-process extrudes the grit under the promotion of compaction jar, final shaping, the utility model provides a prior art exist because current flexible seal makes the sealing member warp easily in the fastening to lead to appearing leaking the not tight problem of sealing such as sand, having and both having improved sealed effect, effectively preventing the sealing member again and warping, and provide a long service life, the precision is high, non-deformable's a novel sealing member and its compacting mechanism's beneficial technological effect.

Utilize the technical scheme of the utility model, or technical staff in the field is in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (6)

1. A sealing arrangement comprising a seamless tube which in combination with a seal forms an integral rigid seal which is placed into a casting mould by a compaction means and secured by seal screws, the rigid seal being co-cast with a flask during casting.

2. A seal arrangement according to claim 1, wherein the seal is of polyurethane material.

3. A sealing arrangement according to claim 1, wherein the seamless tube is a precision seamless tube of a size to fit the seal.

4. A seal arrangement according to claim 1, wherein the seamless tube is joined to the seal member by upper and lower end joining, inner and outer annular joining.

5. A sealing compaction mechanism is characterized by comprising an upper pressing component and a lower pressing component;

the upper press assembly comprises an upper press cylinder which is downwardly connected to an upper press plate base through an upper press flange, the upper press plate base is downwardly connected to an upper press plate, the upper press plate base is upwardly provided with an upper press guide pillar, the upper press plate is downwardly provided with a sealing device as claimed in claim 1 to claim 3, and the upper press assembly is limited by the upper press guide pillar;

the lower pressing assembly comprises a lower pressing cylinder, the lower pressing cylinder is upwards connected to a lower pressing plate seat through a lower pressing flange, the lower pressing plate seat is upwards connected to a lower pressing plate, a lower pressing guide pillar is downwards installed on the lower pressing plate seat, and the lower pressing assembly is limited by the lower pressing guide pillar.

6. The seal compaction mechanism of claim 5 wherein the upper and lower squeeze assemblies together squeeze the sand box upwardly.

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