CN214321785U

CN214321785U - Roller demoulding device with good clamping effect

Info

Publication number: CN214321785U
Application number: CN202023328293.6U
Authority: CN
Inventors: 马东升
Original assignee: Tangshan Yongfeng Roll Co ltd
Current assignee: Tangshan Yongfeng Roll Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-01
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a effectual roll shedder of centre gripping, including the base, fix the fixture above the base and fix the ejection mechanism in the base below, still be equipped with positioning mechanism on the base, positioning mechanism includes a plurality of telescopic location splint, forms the location centre gripping hole between the location splint, and ejection mechanism's ejector pin can pass the location centre gripping hole and upwards push up. The device can realize the quick drawing of patterns to the roll, has the location effect to the mould simultaneously, can reduce the friction loss to between mould and the worker shedder, and can all form good centre gripping effect to the roll forming die of different models.

Description

Roller demoulding device with good clamping effect

Technical Field

The utility model relates to a roll field of making particularly relates to a effectual roll shedder of centre gripping.

Background

At the demoulding stage of roller manufacturing, a large external force is usually adopted to impact a roller forming mould, so that molding sand in the mould is scattered to separate the roller from the mould, and the demoulding stage of the roller is completed. However, the method not only consumes large material resources, but also is easy to damage the roller, reduce the quality of the roller and shorten the service life of the die. The utility model discloses a casting roll under casing drawing of patterns equipment is disclosed as the utility model patent of grant publication number CN211661065U promptly, including work platform, work piece fixing device, drawing of patterns ejecting device and PLC control system, will be equipped with the work piece of roll through a plurality of work piece fixing device and fix at work piece platform, then ejecting the separation operation that can accomplish mould and roll through drawing of patterns ejecting device with the roll, convenient and fast and security height. However, there still exists a need for improvement in the above technical solutions, for example, when a workpiece with a roller is placed on a working platform, the workpiece is generally placed at a position according to the experience of a worker, and then the workpiece is clamped right above an ejector by centripetal ejection of three jaws, during the process, the workpiece with the roller and the working platform are displaced relatively, the generated friction accumulation may damage the tooling price of the die and the working platform, and the working platform is not easy to replace; in addition, the height of the die workpiece fixing device in the vertical direction cannot be adjusted, and a good clamping effect cannot be generated for die workpieces of different types, lengths and thicknesses.

Disclosure of Invention

The utility model aims at providing a roll shedder that centre gripping is respond well, the device can realize the quick drawing of patterns to the roll, has the location effect to the mould simultaneously, can reduce the friction loss between mould and the worker shedder, and the roll forming die homoenergetic to different models can form good centre gripping effect.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the roller demoulding device with good clamping effect comprises a base, a clamping mechanism fixed above the base and an ejector mechanism fixed below the base, wherein the base is further provided with a positioning mechanism, the positioning mechanism comprises a plurality of telescopic positioning clamping plates, a positioning clamping hole is formed between the positioning clamping plates, and an ejector rod of the ejector mechanism can penetrate through the positioning clamping hole and is pushed upwards.

Preferably, positioning mechanism is including fixing mount pad on the base evenly is equipped with three first slide rails that set up in opposite directions on the mount pad, and first slide rail inner is equipped with first spacing card, and the outer end is equipped with the spacing card of second, the locating clip board is three and is equipped with first slider in the below, and first slider can slide on first slide rail, all is fixed with reset spring on every locating clip board, and reset spring's the other end is fixed on the spacing card of second, and when reset spring was in natural state, first slider was located first spacing card department.

Preferably, the positioning clamping plate is a sector plate, when the return spring is in a natural state, the inner side radian of the sector plate is enclosed into a circle to form the positioning clamping hole, and the upper side of the inner side radian is provided with a guide edge.

Preferably, the clamping mechanism comprises an arc-shaped clamping plate, the arc-shaped clamping plate is arranged on the sliding table through a lifting mechanism, a sliding groove is formed in the base, and the sliding table slides in the sliding groove under the pushing of the driving mechanism.

Preferably, elevating system includes the backup pad, and the backup pad sets up the below of arc splint and with the slip table is parallel, is equipped with the support sleeve on the slip table, and support sleeve's top horizontal rotation is connected with first helical gear, leaves the internal thread in first helical gear, rotates in the below of backup pad and is equipped with the lifter, and the lifter is equipped with the external screw thread, the lifter passes in first helical gear stretches into the support sleeve and through internal thread and external screw thread meshing together, is equipped with the second helical gear of vertical setting in one side meshing of first helical gear, and the second helical gear is fixed in the pivot.

Preferably, elevating system includes the backup pad, and the backup pad sets up the below of arc splint and with the slip table is parallel, and the downside of backup pad is equipped with the sliding hole, is equipped with the slide-bar in the upper sliding hole, is equipped with the sliding hole on the slip table to the side, is equipped with down the sliding shaft in the sliding hole, is equipped with a plurality of groups X type supports articulated in proper order between slip table and backup pad, and the top X support links to each other with the upper sliding shaft, and the bottom X support links to each other with the lower sliding shaft, is equipped with the lift cylinder between X type support.

Preferably, the arc splint include first arc splint and second arc splint, and first arc splint and second arc splint are articulated at the middle part, and first arc splint include first segmental arc and second segmental arc, and second arc splint include third segmental arc and fourth segmental arc, are equipped with the answer spring between first segmental arc and third segmental arc, work as when the answer spring is in natural state, second segmental arc and fourth segmental arc set up relatively and the distance between the two is nearest.

Preferably, a guide plate is connected to the end of the second arc segment and the end of the fourth arc segment.

Preferably, anti-skid layers are arranged in the second arc section, the fourth arc section and the positioning clamping plate.

In the utility model, when the die workpiece with the roller is placed on the demoulding device, the die workpiece can be quickly and accurately placed right above the ejection mechanism through the positioning mechanism, and the positioning mechanism can form a preliminary clamping effect on the die; fixture has the lift effect, can adapt to the mould of different model lengths, and clamping device sets up to the arc form simultaneously, and has flexible volume, can adapt to the centre gripping of the mould of different model thicknesses, and above-mentioned mechanism makes a concerted effort and does, produces good centre gripping effect to the mould work piece.

Drawings

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

FIG. 2 is a schematic view of an angular structure of the positioning mechanism;

FIG. 3 is a schematic view of another angular structure of the positioning mechanism;

FIG. 4 is a schematic view of one embodiment of a lift mechanism;

FIG. 5 is a schematic view of another embodiment of the elevating mechanism

Fig. 6 is a mechanism diagram of the arc-shaped splint.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 6, a roller shedder with good clamping effect includes base 1, fixture 2 fixed above the base and ejector mechanism (not shown in the figure) fixed below the base, the ejector mechanism is an oil cylinder and fixed at the lower center of the base through a support, the telescopic rod of the ejector oil cylinder is installed at the bottom end of the ejector oil cylinder support through an oil cylinder connecting shaft, the top end of the oil cylinder is connected with a ball seat, the bottom of the ball head ejector rod is connected in the ball seat, the top end of the ball head ejector rod is connected with a top plate, an ejector through hole is reserved on the base, the top plate can pass through the ejector through hole and stretch and contract in the through hole to realize ejection and contraction, the ejector mechanism is set to be the prior art, such as the structure shown in the utility model patent with the grant publication number of CNCN 211661065U.

The side just is equipped with positioning mechanism 3 above being located the ejection through-hole on base 1, and positioning mechanism includes a plurality of telescopic location splint 31, forms location centre gripping hole 32 between the location splint 31, and the roof of ejection hydro-cylinder can pass the ejection through-hole after passing again and pass the location centre gripping hole and stretch out and draw back the motion above the base and can carry out concertina movement.

Furthermore, the positioning mechanism 3 includes a mounting base 30, an opening not smaller than the ejection through hole is left in the middle of the mounting base 30, three first slide rails 33 are arranged on the mounting base 30, an angle between two adjacent first slide rails 33 is 120 degrees, a first limiting clamp (not shown in the figure) is arranged on the inner side of each first slide rail 33, a second limiting clamp 34 is arranged on the outer side of each first slide rail 33, and the first limiting clamp and the second limiting clamp are used for limiting the movement track of the sliding block to ensure that the first sliding block moves in the slide rails. The number of the positioning clamping plates 31 is 3 corresponding to the number of the first slide rails 33, and a first sliding block (not shown in the figure) is fixed below each positioning clamping plate 31 through a bolt, and the first sliding block can slide on the first slide rail and between the two limiting clamps. Be connected with reset spring 35's one end on first slider, reset spring 35's the other end is fixed on second spacing card 34, and when reset spring 35 was in under the natural state, first slider was located the first spacing card department of slide rail. When in actual use, the mould that will be equipped with the roll is directly placed in positioning mechanism's location centre gripping hole 32, because mould self gravity, the location splint backward motion and ejection reset spring become compression state, when the mould work piece contacted shedder's base 1, location splint 31 no longer backward motion, and can form a preliminary centre gripping effect to the mould work piece under reset spring 35's restoring force, can one step directly place the mould work piece in the position department of treating the ejection of compact that targets in place simultaneously, can not take place the friction loss with the base of shedder, the life of extension shedder and mould work piece.

Preferably, the positioning clamp plate 31 can be formed by combining three sector plates, two ends of each sector plate are provided with radians, and when the return spring 35 is in a natural state, that is, the positioning clamp plate is located at the first limit clamp of the slide rail, the radians 311 inside the sector plates surround the circular positioning clamp hole 32. Furthermore, in order to facilitate the smooth placement of the mold workpiece into the positioning mechanism, the inner arc of the positioning clamp plate 31 is inclined and forms a guiding edge 36.

The clamping mechanism 2 comprises an arc-shaped clamping plate 21, the arc-shaped clamping plate 21 is arranged above the sliding table 40, three sliding grooves 11 which are distributed and fixed at 120 degrees are formed in the base 1, a driving air cylinder 5 is fixed to one end of each sliding groove, an ejector rod of the driving air cylinder 5 is connected with the sliding table 40, and the driving air cylinder 5 pushes the sliding table 40 to move so as to drive the arc-shaped clamping plate 21 to move horizontally along the sliding grooves 11. In order to enable the ejection device to generate good clamping effect on mould workpieces of different model heights, the lower clamping mechanism 2 of the ejection device is arranged on the lifting mechanism 4, and the upward movement in the vertical direction can be realized under the driving of the lifting mechanism 4.

The specific structure of the lifting mechanism 4 can be configured as an embodiment in which the lifting mechanism 4 includes a support plate 41 parallel to the slide table 40, and the arc-shaped clamp plate 21 is fixed above the support plate 41. Two supporting sleeves 411 are fixed on the sliding table 40, a first bevel gear 412 is located above the supporting sleeves, a supporting rod with a circular ring-shaped cross section is fixed at the lower portion of the supporting sleeve, the supporting rod is located inside the supporting sleeve and is fixedly connected with the cylindrical supporting sleeve through a bearing, the supporting rod and a first bevel gear fixed on the supporting rod can horizontally rotate around the supporting sleeve, threads are arranged inside the first bevel gear 412, a lifting rod 413 is fixedly installed on the lower bottom surface of the supporting plate 41, the lifting rod 413 is provided with external threads 414, and the external threads 414 of the lifting rod are meshed with the internal threads of the first bevel gear 412. A mounting rack 415 is further fixed on the side walls of the two support sleeves 411, a rotating shaft 416 is mounted on the mounting rack 415 through a bearing, a handle 417 is mounted at one end of the rotating shaft 416, a second bevel gear 418 in the vertical direction is fixed on the rotating shaft 416 and located on one side of the first bevel gear 412, and gear teeth of the second bevel gear 418 and gear teeth of the first bevel gear 412 are both 45-degree bevel gears and are meshed with the gear teeth of the first bevel gear 412. The handle 417 is held by hand to rotate the rotating shaft 416, the second bevel gear 418 rotates along with the rotating shaft 416, and the rotation is transmitted to the first bevel gear through the gear teeth, the first bevel gear rotates along with the first bevel gear, and the lifting rod positioned in the first bevel gear moves upwards or downwards along with the first bevel gear, so that the lifting or descending movement of the support plate and the arc-shaped clamping plate fixed on the support plate can be realized, and the height of the arc-shaped clamping plate in the vertical direction can be selected according to the height of a die workpiece to be processed in a specific process.

In another embodiment, the lifting mechanism 4 includes a support plate 41 parallel to the slide table 40, and the arc-shaped clamp plate 21 is fixed above the support plate. An upper sliding hole 421 is arranged on the lower side surface of the supporting plate 41, a lower sliding hole 422 is arranged on the sliding table 40, a plurality of groups of X-shaped supporting frames 423 which are hinged and fixed in parallel are further arranged between the sliding table 40 and the supporting plate 41, one end of the X-shaped support positioned at the top is fixed on the lower bottom surface of the supporting plate 41 through a rotating shaft, the other end of the X-shaped support is rotatably provided with an upper sliding shaft 424, the upper sliding shaft 424 penetrates through the upper sliding hole 421 and can slide in the upper sliding hole 421, one end of the X-shaped support positioned at the bottom is fixed on the upper side surface of the sliding table 40, the other end of the X-shaped support positioned at the bottom is rotatably provided with a lower sliding shaft 425, and the lower sliding shaft 425 penetrates through the lower sliding hole 422 and can slide in the lower sliding hole. A lifting cylinder 426 is arranged between the X-shaped supports, and the lifting cylinder controls the supporting plate to ascend or descend.

Further, for reinforcing fixture's centre gripping effect, arc splint 21 includes first arc splint 211 and second arc splint 212 through round pin axle articulated together, first arc splint includes first segmental arc 2111 and second segmental arc 2112, second arc splint 212 includes third segmental arc 2121 and fourth segmental arc 2122, first segmental arc 2111 and third segmental arc 2121 are located round pin axle homonymy and are close to backup pad one side, second segmental arc 2112 and fourth segmental arc 2122 are located round pin axle homonymy and keep away from backup pad one side, and preferred first segmental arc and third segmental arc's length is shorter than second segmental arc and fourth segmental arc, four segmental arcs are in the middle part through round pin axle articulated together, be equipped with reply spring 22 between first segmental arc and third segmental arc, when replying the spring is in natural state, second segmental arc and fourth segmental arc are at the moment of nearest.

Further, a guide plate 213 is connected to the ends of the second arc segment 2112 and the fourth arc segment 2122.

Further, rubber layers 6 are arranged in the second arc section, the fourth arc section and the positioning clamping plate.

When the device is specifically operated, firstly, a die workpiece is placed in the positioning mechanism 3, the positioning mechanism 3 performs positioning and primary clamping action on the die workpiece, then the arc-shaped clamping plate is lifted to a proper position, the driving cylinder for pushing the arc-shaped clamping plate is started, the arc-shaped clamping plate slowly contacts with the die workpiece, when the device is used for clamping the die price, the second arc section and the fourth arc section are slowly opened until the second arc section and the fourth arc section are completely wrapped on the die workpiece, at the moment, the restoring spring between the first arc section and the third arc section is in a compressed state, then the ejection mechanism is started to eject the roller in the die and separate the roller from the molding sand in the die, the roller is hung to the next station by using a crane, then the arc-shaped clamping plate is slowly separated from the die workpiece, the die workpiece is hung by the crane, then the ejection device is reset, and the ejection operation of the next die price is started.

The embodiment is only an illustration of the concept and implementation of the present invention, and is not a limitation, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.

Claims

1. The utility model provides a effectual roll shedder of centre gripping, includes the base, fixes fixture in the base top and fixes the ejection mechanism in the base below, its characterized in that: still be equipped with positioning mechanism on the base, positioning mechanism includes a plurality of telescopic location splint, form the location centre gripping hole between the location splint, ejection mechanism's ejector pin can pass the location centre gripping hole and upwards push away.

2. The roll releasing device with good nipping effect as claimed in claim 1, wherein: the positioning mechanism comprises a mounting seat fixed on the base, three first sliding rails arranged oppositely are evenly arranged on the mounting seat, a first limiting clamp is arranged at the inner end of each first sliding rail, a second limiting clamp is arranged at the outer end of each first sliding rail, the positioning clamping plates are three and provided with first sliding blocks below, the first sliding blocks can slide on the first sliding rails, a reset spring is fixed on each positioning clamping plate, the other end of each reset spring is fixed on the second limiting clamp, and when the reset springs are in a natural state, the first sliding blocks are located at the first limiting clamps.

3. The good-grip roll demolding device as claimed in claim 2, wherein: the positioning clamping plate is a fan-shaped plate, when the reset spring is in a natural state, the inner side radian of the fan-shaped plate is enclosed into a circle and forms the positioning clamping hole, and the upper side of the inner side radian is provided with a guide edge.

4. The good-gripping roll demolding device as claimed in any one of claims 1, 2 or 3, wherein: the clamping mechanism comprises an arc-shaped clamping plate, the arc-shaped clamping plate is arranged on the sliding table through a lifting mechanism, a sliding groove is formed in the base, and the sliding table slides in the sliding groove under the pushing of the driving mechanism.

5. The good-grip roll demolding device as claimed in claim 4, wherein: elevating system includes the backup pad, and the backup pad setting is in the below of arc splint and with the slip table is parallel, is equipped with the support sleeve on the slip table, and support sleeve's top horizontal rotation is connected with first helical gear, leaves the internal thread in first helical gear, rotates in the below of backup pad and is equipped with the lifter, and the lifter is equipped with the external screw thread, the lifter passes in first helical gear stretches into the support sleeve and through internal thread and external screw thread meshing together, is equipped with the second helical gear of vertical direction in one side meshing of first helical gear, and the second helical gear is fixed in the pivot.

6. The good-grip roll demolding device as claimed in claim 4, wherein: elevating system includes the backup pad, and the backup pad setting is in the below of arc splint and with the slip table is parallel, and the downside of backup pad is equipped with the slide opening, is equipped with the gliding axle in the slide opening, is equipped with down the slide opening in the side is equipped with on the slip table, is equipped with down the slide opening in the slide opening, is equipped with a plurality of groups X type support articulated in proper order between slip table and backup pad, and the top X support links to each other with last slide opening, and the bottom X support links to each other with the lower slide opening, is equipped with the lift cylinder between X type support.

7. The good-grip roll demolding device as claimed in claim 4, wherein: the arc splint include first arc splint and second arc splint, and first arc splint and second arc splint are articulated at the middle part, and first arc splint include first segmental arc and second segmental arc, and second arc splint include third segmental arc and fourth segmental arc, are equipped with the answer spring between first segmental arc and third segmental arc, work as when the answer spring is in natural state, second segmental arc and fourth segmental arc set up relatively and the distance between the two is nearest.

8. The good-grip roll demolding device as claimed in claim 7, wherein: and the tail ends of the second arc section and the fourth arc section are connected with guide plates.

9. The good-grip roll demolding device as claimed in claim 7, wherein: and anti-skid layers are arranged in the second arc section, the fourth arc section and the positioning clamping plate.