CN216913388U - Spring-driven clamping type tooling plate - Google Patents

Abstract

The utility model discloses a spring-driven clamping type tooling plate which comprises sand cores, a tooling plate and spring clamping seats, wherein the spring clamping seats are fixedly arranged on the tooling plate, and each sand core is clamped and fixed by two symmetrically-arranged spring clamping seats; the spring clamping seat comprises a seat body, a top surface pressing mechanism and a side propping mechanism, wherein the seat body is arranged along a Y axis, a sand core is placed in the seat body in parallel with the X axis, the top surface pressing mechanism is arranged on the outer side of the seat body in a close manner and used for limiting the sand core to slide along the X axis, a clamping jaw is arranged at the top of the top surface pressing mechanism, and the clamping jaw rotates inwards to form a certain inclination angle to be clamped on the top surface of the sand core so as to press the sand core; the lateral propping mechanism penetrates through the end face of the seat body and applies force inwards along the Y axis to prop the sand core tightly; the tool plate can accurately position and clamp the sand core, effectively prevents the sand core from vibrating in the polishing process, and improves the polishing effect of the sand core.

Description

Spring-driven clamping type tooling plate

Technical Field

The utility model belongs to the technical field of casting molding, and particularly relates to a spring-driven clamping type tooling plate.

Background

In the casting process, after core making is completed, certain positions of the sand core need to be polished to ensure the forming quality of subsequent sand core pouring, traditional sand core polishing is mainly completed by hands, the labor cost of enterprises is increased year by year, machines are gradually adopted in the casting industry to replace manual work, and the sand core is polished by matching of a production line and an industrial robot.

The speed-multiplying chain assembly line is mainly used for conveying materials in an assembly and processing production line, and the principle is that the speed-increasing function of the speed-multiplying chain is utilized, so that a tooling plate for bearing cargos thereon can run quickly. The sand core needs to be positioned and fixed in a certain mode on the tooling plate so as to prevent the sand core in the grinding process from vibrating, and the conventional pneumatic or electric clamp clamping mode needs to be equipped with an additional power device, so that the requirement for fast circulation of the tooling plate on a speed-multiplying chain cannot be met.

Disclosure of Invention

Aiming at the problems and the technical requirements, the utility model provides the spring-driven clamping type tooling plate which can accurately position and clamp the sand core, effectively prevent the sand core from vibrating in the grinding process and improve the grinding effect of the sand core.

The technical scheme of the utility model is as follows: the spring-driven clamping type tooling plate comprises sand cores, a tooling plate and spring clamping seats, wherein the spring clamping seats are fixedly arranged on the tooling plate, and each sand core is clamped and fixed by two symmetrically-arranged spring clamping seats; the spring clamping seat comprises a seat body, a top surface pressing mechanism and a lateral propping mechanism, wherein the seat body is arranged along a Y axis, the sand core is placed in the seat body in parallel with an X axis, the top surface pressing mechanism is arranged on the outer side of the seat body in a close manner and used for limiting the sand core to slide along the X axis, a clamping jaw is arranged at the top of the top surface pressing mechanism, and the clamping jaw rotates inwards to form a certain inclination angle to be clamped on the top surface of the sand core so as to press the sand core; and a lateral jacking mechanism is arranged on the outer side of the end surface of the seat body, penetrates through the end surface of the seat body and internally applies force to jack the sand core along the Y axis.

In the scheme, each sand core is provided with two spring clamping seats for clamping the sand core, the sand core is placed on two seat bodies, two top surface pressing mechanisms which are symmetrically distributed block the left end surface and the right end surface of the sand core respectively, the top of each top surface pressing mechanism is provided with a clamping jaw, the clamping jaw presses the top surface of the sand core along the oblique lower direction of the X axis, due to the fact that the clamping jaw applies force to the sand core along the oblique lower direction, the sand core is positioned in the X axis direction and the Z axis direction, and the lateral pressing mechanism presses the sand core in the Y axis direction; the psammitolite all receives the restriction in three directions, and its clamping steadiness on the frock board is very high, and the in-process of polishing is difficult for receiving vibrations.

Furthermore, the top surface pressing mechanism comprises a clamping jaw assembly, an installation block and a housing, the installation block is fixedly arranged on the tooling plate, the housing surrounds the installation block from the upper part, an open hole is formed in the top surface of the housing, the middle part of the clamping jaw assembly is rotatably connected with the opposite side walls in the housing through a fixed rotating shaft, the upper end of the clamping jaw assembly extends out of the open hole, the upper end of the clamping jaw assembly rotates towards the upper part of the base body, and the sand core is clamped or loosened from the top. The jack catch subassembly can be under the exogenic action to the psammitolite chucking or pine take off, the simple operation nature when being convenient for the psammitolite clamping.

Furthermore, the jaw assembly is bent, the bent part of the jaw assembly is positioned in the housing, the fixed rotating shaft is arranged at the bent part, the section inwards from the bent part is a driving rod, and the section outwards extending from the bent part is a jaw; the end part of the driving rod is provided with a lifting rod, the lifting rod is parallel to the Y axis, the middle point of the lifting rod is connected with the driving rod, the lower parts of the two side surfaces of the mounting block are respectively provided with a fixing screw rod opposite to the lifting rod, and the fixing screw rods on the two sides are symmetrically connected with the two ends of the lifting rod through springs.

Furthermore, an ejection hole is formed in the mounting block right below the driving rod, a first ejection column is arranged in the ejection hole, the lower end of the first ejection column penetrates through the tooling plate, when the first ejection column abuts against the driving rod to move upwards, the spring is stretched, and the clamping jaw assembly rotates outwards integrally.

When the sand core needs to be loosened and taken out, the first ejection column is stressed to eject upwards, the claw assembly integrally rotates outwards, the pressing force of the sand core can be relieved, and the sand core can be conveniently taken and placed during feeding and discharging.

Furthermore, the seat body is of a U-shaped groove structure, the two ends of the seat body are perpendicularly provided with limiting arms, concave-convex grains matched with the bottom surface of the sand core are arranged on the bottom surface in the groove, and the concave-convex grains are parallel to the X axis. The U-shaped groove structure is convenient for placing the sand core, the sand core is limited to move in the Y-axis direction, and the concave-convex grains are matched with the bottom surface of the sand core, so that the sand core can be guaranteed to be parallel to the X axis all the time.

Further, tight mechanism in side top is including the tight horizontal pole in top, gear assembly and actuating mechanism, sets up the round hole that supplies the tight horizontal pole tip in top to penetrate on the spacing arm of pedestal one end, and the tight horizontal pole in top extends along the Y axle outward, and the pole body and the gear assembly meshing of the tight horizontal pole in top, and the gear assembly is connected with actuating mechanism, and actuating mechanism drives the gear assembly and rotates, makes the tight horizontal pole in top follow the telescopic motion of Y axle, the psammitolite in the tight pedestal in top. Because the psammitolite has been placed in the U-shaped inslot of pedestal, but the psammitolite can freely be put into, and there is the clearance in certain and two spacing arms in U-shaped groove in its both sides, adopts the tight horizontal pole in top can be tight in the U-shaped groove with the psammitolite top, avoids producing because of the inslot clearance vibrations of polishing.

Furthermore, the gear assembly comprises a gear, a gear seat and a wheel shaft, the gear is installed in the gear seat through the wheel shaft in an erected mode, the end portion of the wheel shaft penetrates through the gear seat to extend outwards and is connected with the driving mechanism, a rack is fixedly connected to the rod body of the jacking cross rod, and the lower surface of the rack is meshed with the gear. When the gear rotates, the rack meshed with the gear moves above the gear, and the rack drives the jacking cross rod to move along the Y axis to jack or loosen the sand core.

Furthermore, actuating mechanism includes rocking arm and second fore-set, and the end connection of rocking arm and shaft, second fore-set pass through a fixed block and install on the frock board, and the bottom of second fore-set pierces through the frock board downwards, and second fore-set top is just facing the lower surface of rocking arm, and the second fore-set is supported the rocking arm and is upwards moved, and rocking arm drive gear motion, and the gear drives and tightly pushes up the horizontal pole and move along the Y axle.

Furthermore, a limit stop is fixedly arranged between the limit arms of the rack and the base body, a limit spring is arranged between the limit stop and the limit arms, the limit spring is sleeved on the outer ring of the jacking cross rod, and one end of the limit spring, which is close to the limit arms, is fixedly connected with the jacking cross rod. Spacing spring supports between limit stop and spacing arm, and its initial state is uncompressed, drives whole top tight horizontal pole when keeping away from the pedestal motion along the Y axle when the rack, and the top tight horizontal pole draws spacing spring, makes it compressed, and the top tight horizontal pole end contracts backward, vacates the clamping space of psammitolite, and spacing spring resets after the psammitolite is packed into, and automatic locking psammitolite accomplishes convenient clamping.

Furthermore, a plurality of sand cores are clamped on the tooling plate according to the array.

Compared with the prior art, the utility model has the beneficial effects that: 1. the spring clamping seat on the tooling plate can automatically lock the sand core in the X-axis, Y-axis and Z-axis directions, so that the sand core can keep good stability in the spring clamping seat, and the sand core is effectively prevented from vibrating in the polishing process; 2. the spring is used as a driving force to clamp the sand core, extra power equipment is not required to be connected, and the sand core can be locked only by the aid of the reset function of the spring, so that the method is simple, convenient and feasible, the manufacturing cost is saved, the overall structure of the tooling plate is lighter, the tooling plate can be rapidly circulated in a speed doubling chain, and the processing efficiency is improved; 3. adopt first fore-set and second fore-set to provide external force for spring deformation, the lower extreme of first fore-set and second fore-set all pierces through the frock board, only needs provide a synchronous thrust in frock board bottom, just can realize getting of psammitolite light, avoids going up unloading in-process sand core damage.

Drawings

FIG. 1 is an overall block diagram of a spring-actuated clamp tooling plate according to the present invention;

FIG. 2 is a perspective view of the sand core of the present invention;

FIG. 3 is an internal structural view of the top surface pressing mechanism of the present invention;

FIG. 4 is a view showing the overall appearance of the spring-loaded holder according to the present invention;

FIG. 5 is an internal structure view of the side tightening mechanism according to the present invention;

labeled as: the sand core comprises a sand core 1, a tooling plate 2, a spring clamping seat 3, a seat body 4, a limiting arm 41, a concave-convex line 42, a top surface pressing mechanism 5, a jaw assembly 51, a jaw 511, a fixed rotating shaft 512, a driving rod 513, a lifting rod 514, an installation block 52, a fixed screw 521, an ejection hole 522, a housing 53, an open hole 531, a spring 54, a first ejection column 55, a lateral ejection mechanism 6, an ejection cross rod 61, a limiting spring 611, a rack 612, a limiting stop 62, a gear assembly 63, a gear 631, a gear seat 632, a wheel shaft 633, a driving mechanism 64, a rotating arm 641, a second ejection column 642 and a fixed block 643.

Detailed Description

The utility model is further described below with reference to the figures and examples.

As shown in fig. 1, the overall structure diagram of the spring-driven clamping type tooling plate of the utility model comprises sand cores 1, the tooling plate 2 and spring clamping seats 3, wherein the spring clamping seats 3 are fixedly arranged on the tooling plate 2, and each sand core 1 is clamped and fixed by two symmetrically arranged spring clamping seats 3; in order to improve the processing efficiency, a plurality of sand cores 1, preferably 8 sand cores 1 in the embodiment, are clamped on the tool plate 2 according to an array, and 16 spring clamping seats 3 which are bilaterally symmetrical are adopted for clamping.

As shown in fig. 2, which is a three-dimensional structure diagram of the sand core 1, the sand core 1 is a symmetrical part, two ends of the sand core 1 respectively fall into the symmetrically arranged spring clamping seats 3, and the spring clamping seats 3 on two sides simultaneously lock the sand core 1 in three directions, so that the whole stability of the sand core 1 is stronger.

The spring clamping seat 3 comprises a seat body 4, a top surface pressing mechanism 5 and a lateral jacking mechanism 6, wherein the seat body 4 is arranged along a Y axis, the sand core 1 is placed in the seat body 4 in parallel to the X axis, the top surface pressing mechanism 5 is arranged on the outer side of the seat body 4 in a close manner to limit the sand core 1 to slide along the X axis, a clamping jaw 511 is arranged at the top of the top surface pressing mechanism 5, and the clamping jaw 511 rotates inwards to be clamped on the top surface of the sand core 1 at a certain inclination angle to press the sand core.

As shown in fig. 3-4, which is a structure diagram of the inside and outside of the top surface pressing mechanism 5, the top surface pressing mechanism 5 includes a jaw assembly 51, a mounting block 52 and a housing 53, the mounting block 52 is fixedly arranged on the tooling plate 2, the housing 53 surrounds the mounting block 52 from above, an open hole 531 is arranged on the top surface of the housing 53, the middle part of the jaw assembly 51 is rotatably connected with the opposite side wall in the housing 53 through a fixed rotating shaft 512, the upper end of the jaw assembly 51 extends out from the open hole 531, the upper end of the jaw assembly 51 rotates towards the upper part of the base body 4, and the sand core 1 is clamped or loosened from the top. The jaw assembly 51 is bent, the bent part of the jaw assembly is positioned in the housing 53, the fixed rotating shaft 512 is arranged at the bent part, one section inwards from the bent part is the driving rod 513, and one section outwards extending from the bent part is the jaw 511; the end part of the driving rod 513 is provided with a lifting rod 514, the lifting rod 514 is parallel to the Y axis, the middle point of the lifting rod 514 is connected with the driving rod 513, the lower parts of the two side surfaces of the mounting block 52 are respectively provided with a fixed screw 521 opposite to the lifting rod 514, and the fixed screw 521 at the two sides are symmetrically connected with the two ends of the lifting rod 514 by a spring 54. An ejection hole 522 is formed in the mounting block 52 right below the driving rod 513, a first ejection column 55 is arranged in the ejection hole 522, the lower end of the first ejection column 55 penetrates through the tooling plate 2, when the first ejection column 55 moves upwards against the driving rod 513, the spring 54 is stretched, and the claw assembly 63 rotates outwards integrally.

As shown in fig. 4-5, which are external and internal structural diagrams of the side tightening mechanism 6, the base body 4 is a U-shaped groove structure, two ends of the base body 4 are vertically provided with a limiting arm 41, the bottom surface in the groove is provided with a concave-convex pattern 42 matched with the bottom surface of the sand core 1, and the concave-convex pattern 42 is parallel to the X axis. And a lateral jacking mechanism 6 is arranged on the outer side of one limiting arm 41, and the lateral jacking mechanism 6 penetrates through the end surface of the seat body 4 and applies force inwards to jack the sand core 1 along the Y-axis. The side tight mechanism 6 in top includes tight horizontal pole 61 in top, gear assembly 63 and actuating mechanism 64, sets up the round hole that supplies the tight horizontal pole 61 tip to penetrate on the spacing arm 41 of pedestal 4 one end, and the tight horizontal pole 61 in top extends along the Y axle to the outside, and the pole body and the gear assembly 63 meshing of the tight horizontal pole 61 in top, and gear assembly 63 is connected with actuating mechanism 64, and actuating mechanism 64 drives the gear assembly 63 and rotates, makes the tight horizontal pole 61 in top follow the Y axle concertina movement, and the tight sand core 1 in the pedestal 4 in top. The gear assembly 63 includes a gear 631, a gear seat 632 and an axle 633, the gear 631 is mounted in the gear seat 632 by the axle 633, an end of the axle 633 extends out through the gear seat 632 and is connected to the driving mechanism 64, a rack 612 is fixedly connected to a shaft of the tightening cross bar 61, and a lower surface of the rack 612 is engaged with the gear 631. When the gear 631 rotates, the rack engaged with the gear 631 moves above the gear, and the rack 613 drives the tightening cross bar 61 to move along the Y axis to tighten or loosen the sand core 1. The driving mechanism 64 includes a rotating arm 641 and a second top post 642, the rotating arm 641 is connected to an end of the axle 633, the second top post 642 is mounted on the tooling plate 2 through a fixing block 643, a bottom end of the second top post 643 penetrates the tooling plate 2 downward, a top end of the second top post 642 faces a lower surface of the rotating arm 641, the second top post 642 moves upward against the rotating arm 641, the rotating arm 641 drives the gear 631 to move, and the gear 631 drives the tightening cross bar 61 to move along the Y axis. A limit stop 62 is fixedly arranged between the rack 612 and the limit arm 41 of the base 4, a limit spring 611 is arranged between the limit stop 62 and the limit arm 1, the limit spring 611 is sleeved on the outer ring of the tightening cross rod 61, and one end of the limit spring 611 close to the limit arm 41 is fixedly connected with the tightening cross rod 61.

The application principle of the utility model is as follows:

in an initial state, the claws 511 are buckled inwards above the base body 4, the jacking cross rod 61 extends into the base body 4, and pushing force is simultaneously applied to the first ejection column 55 and the second ejection column 642 below the tooling plate 2 to clamp or unload the sand core 1.

The first ejection column 55 pushes the driving rod 513 upwards to rotate outwards, the lifting rod 514 stretches the springs 54 at the two ends, the springs 54 are stretched and deformed, and the claws 511 are opened outwards; the second top pillar 642 pushes against the rotating arm 641 to rotate upwards, the wheel shaft 633 drives the gear 631 to rotate, the rack 612 translates outwards, the rack 612 drives the tightening cross rod 61 to translate outwards, the end of the tightening cross rod 61 retracts outwards from the base body 4, and the limit spring 611 is blocked by the limit stopper 62 to generate compression deformation; the sand core 1 is placed into the seat body 4, the upward pushing force of the first ejection column 55 and the second ejection column 642 is removed, the spring 54 and the limiting spring 611 automatically reset at the same time, the clamping jaws 511 clamp the sand core 1 in the X-axis direction and the Z-axis direction, and the jacking cross rods 61 jack the sand core 1 in the Y-axis direction, so that the clamping of the sand core 1 is completed.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. Spring drive clamp type frock board, its characterized in that: the sand core clamping device comprises sand cores, a tooling plate and spring clamping seats, wherein the spring clamping seats are fixedly arranged on the tooling plate, and each sand core is clamped and fixed by two symmetrically arranged spring clamping seats; the spring clamping seat comprises a seat body, a top surface pressing mechanism and a side propping mechanism, wherein the seat body is arranged along a Y axis, a sand core is placed in the seat body in parallel with the X axis, the top surface pressing mechanism is arranged on the outer side of the seat body in a close manner and used for limiting the sand core to slide along the X axis, a clamping jaw is arranged at the top of the top surface pressing mechanism, and the clamping jaw rotates inwards to form a certain inclination angle to be clamped on the top surface of the sand core so as to press the sand core; and a lateral jacking mechanism is arranged on the outer side of the end surface of the seat body, penetrates through the end surface of the seat body and internally applies force to jack the sand core along the Y axis.

2. The spring-actuated clamp tooling plate of claim 1 wherein: the top surface pressing mechanism comprises a clamping jaw assembly, an installation block and a housing, the installation block is fixedly arranged on the tooling plate, the housing surrounds the installation block from the upper side, an open hole is formed in the top surface of the housing, the middle of the clamping jaw assembly is rotatably connected with the opposite side wall in the housing through a fixed rotating shaft, the upper end of the clamping jaw assembly extends out of the open hole, the upper end of the clamping jaw assembly rotates towards the upper side of the base body, and the sand core is clamped or loosened from the top.

3. The spring-actuated clamp tooling plate of claim 2 wherein: the clamping jaw assembly is bent, the bent part of the clamping jaw assembly is positioned in the housing, the fixed rotating shaft is arranged at the bent part, the section inwards from the bent part is a driving rod, and the section outwards extending from the bent part is a clamping jaw; the end part of the driving rod is provided with a lifting rod, the lifting rod is parallel to the Y axis, the middle point of the lifting rod is connected with the driving rod, the lower parts of the two side surfaces of the mounting block are respectively provided with a fixing screw rod opposite to the lifting rod, and the fixing screw rods on the two sides are symmetrically connected with the two ends of the lifting rod through springs.

4. The spring-actuated clamp tooling plate of claim 3 wherein: an ejection hole is formed in the mounting block right below the driving rod, a first ejection column is arranged in the ejection hole, the lower end of the first ejection column penetrates through the tooling plate, when the first ejection column abuts against the driving rod to move upwards, the spring is stretched, and the clamping jaw assembly integrally rotates outwards.

5. The spring-actuated clamp tooling plate of claim 1 wherein: the base body is of a U-shaped groove structure, the two ends of the base body are vertically provided with limiting arms, concave-convex grains matched with the bottom surface of the sand core are arranged on the bottom surface of the groove, and the concave-convex grains are parallel to the X axis.

6. The spring-actuated clamp tooling plate of claim 5 wherein: the lateral tightening mechanism comprises a tightening cross rod, a gear assembly and an actuating mechanism, a round hole for the end part of the tightening cross rod to penetrate is formed in a limiting arm at one end of the base body, the tightening cross rod extends outwards along the Y axis, a rod body of the tightening cross rod is meshed with the gear assembly, the gear assembly is connected with the actuating mechanism, the actuating mechanism drives the gear assembly to rotate, the tightening cross rod is made to stretch and contract along the Y axis, and a sand core in the base body is tightened.

7. The spring-actuated clamp tooling plate of claim 6 wherein: the gear assembly comprises a gear, a gear seat and a wheel shaft, the gear is erected and installed in the gear seat through the wheel shaft, the end part of the wheel shaft penetrates through the gear seat to extend outwards and is connected with a driving mechanism, a rack is fixedly connected to the rod body tightly propping against the cross rod, and the lower surface of the rack is meshed with the gear.

8. The spring-actuated clamp tooling plate of claim 7 wherein: the driving mechanism comprises a rotating arm and a second ejection column, the rotating arm is connected with the end of the wheel shaft, the second ejection column is installed on the tooling plate through a fixing block, the bottom end of the second ejection column penetrates through the tooling plate downwards, the top end of the second ejection column faces the lower surface of the rotating arm, the second ejection column abuts against the rotating arm to move upwards, the rotating arm drives the gear to move, and the gear drives the jacking cross rod to move along the Y axis.

9. The spring-actuated clamp tooling plate of claim 7 wherein: and a limit stop is fixedly arranged between the rack and the limit arm of the base body, a limit spring is arranged between the limit stop and the limit arm, the limit spring is sleeved on the outer ring of the jacking transverse rod, and one end of the limit spring, which is close to the limit arm, is fixedly connected with the jacking transverse rod.

10. The spring-actuated clamp tooling plate of claim 1 wherein: and a plurality of sand cores are clamped on the tooling plate according to the array.

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