CN216656255U

CN216656255U - Flywheel casting mould compresses tightly frock

Info

Publication number: CN216656255U
Application number: CN202122652780.6U
Authority: CN
Inventors: 胡启全
Original assignee: Chongqing Quanjun Machinery Casting Co ltd
Current assignee: Chongqing Quanjun Machinery Casting Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-06-03
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a flywheel casting die pressing tool which comprises an installation base, wherein the upper surface of the installation base is fixedly connected with an installation frame, and the inner side wall of the installation frame is fixedly connected with an air cylinder. According to the utility model, through the mutual matching of the transmission mechanism, the first gear, the second gear, the first rack, the second rack, the first clamping block, the second clamping block and the extrusion plate, the hydraulic cylinder drives the extrusion plate to extrude the two molds from the top of the upper mold, in the process that the extrusion plate moves downwards, the first rack, the first gear, the first rotating rod and the transmission mechanism are matched to drive the second rotating rod to rotate, the second gear and the second rack are matched to drive the first clamping block and the second clamping block to move, and the first clamping block and the second clamping block stably clamp the side edge connecting part of the upper mold and the upper mold, so that the deflection of the mold caused by the overlarge top pressing force of the mold is effectively prevented, and further, the situation that a cast workpiece cannot be used is avoided.

Description

Flywheel casting mould compresses tightly frock

Technical Field

The utility model relates to the technical field of pressing tools, in particular to a flywheel casting mold pressing tool.

Background

For a four-stroke engine, work is done once every four piston strokes, i.e. only work is done in the working stroke, and the three strokes of exhaust, intake and compression consume work.

Present flywheel adopts the mode preparation of casting, merge two blocks of moulds together, to the molten metal of casting high temperature in the mould, after the molten metal cooling, open the mould, take out the casting piece from the bed die and carry out process on next step, wherein, after accomplishing the mould and merge, need use the work piece with the inseparable clamp of two blocks of moulds tightly, thereby prevent that the mould is not hard up to lead to the molten metal to spill over from the side, but the mode that current mode of compressing tightly is mostly adopted and is pressed from the mould top, but the mode that the top was pressed, the top is pressed by the pressure too big easily leads to two inseparable coincides of mould, the mould receives the extrusion to one side off tracking, thereby the work piece that leads to the casting completion can not be used for subsequent use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a flywheel casting die pressing tool.

In order to achieve the purpose, the utility model adopts the following technical scheme: a flywheel casting die pressing tool comprises an installation base, wherein an installation frame is fixedly connected to the upper surface of the installation base, an air cylinder is fixedly connected to the inner side wall of the installation frame, a transverse plate is fixedly connected to the piston end of the air cylinder, two sides of the transverse plate are connected with first racks through side plates, the outer side wall of the installation frame is rotatably connected with two first rotating rods and two second rotating rods, the first rotating rods and the second rotating rods on adjacent sides are connected through a transmission mechanism, the outer side wall of each first rack is connected with a first gear in a meshed mode, the first gear is fixedly sleeved on the corresponding outer side wall of each first rotating rod, the outer side wall of each second rotating rod is fixedly sleeved with a second gear, the outer side wall of each second gear is connected with a second rack in a meshed mode, the outer side wall of each second rack is connected with a rectangular frame in a sliding mode, the rectangular frame is fixedly connected to the installation frame, and one end, far away from the second gear, of each second rack is fixedly connected with a first clamping block, the first clamping block is connected with a second clamping block through a contraction assembly, and the side wall of the mounting base is connected with two stabilizing blocks through a driving mechanism.

As a further description of the above technical solution:

the transmission mechanism comprises a first transmission wheel fixedly sleeved on the outer side wall of the corresponding first rotating rod, the first transmission wheel is connected with a second transmission wheel through transmission of a transmission belt, and the second transmission wheel is fixedly sleeved on the outer side wall of the second rotating rod.

As a further description of the above technical solution:

the retraction assembly comprises two telescopic rods fixedly connected to the inner side wall of the first clamping block, one end, far away from the first clamping block, of each telescopic rod is fixedly connected to the outer side wall of the second clamping block, and a spring is sleeved outside each telescopic rod.

As a further description of the above technical solution:

actuating mechanism includes the two-way servo motor of fixed connection in the installation base bottom, two-way servo motor output fixedly connected with screw rod, screw rod lateral wall threaded connection has the thread piece, two movable groove have been seted up to installation base upper surface, two the thread piece respectively with correspond movable groove inside wall sliding connection and fixed mounting in corresponding firm piece bottom.

As a further description of the above technical solution:

the rubber block is fixedly connected to the bottom of the transverse plate, and the extrusion plate is fixedly connected to one side, far away from the transverse plate, of the rubber block.

As a further description of the above technical solution:

two sliding grooves are formed in the side wall of the rectangular frame, sliding rods are connected to the inner side wall of each sliding groove in a sliding mode, the adjacent sliding rods are fixedly connected to the outer side wall of the second rack on the same side, a clamping block is fixedly connected to one end, far away from the second rack, of each sliding rod, and the clamping block is connected to the outer side wall of the rectangular frame in a sliding mode.

The utility model has the following beneficial effects:

compared with the prior art, this flywheel casting mould compresses tightly frock, through drive mechanism, first gear, the second gear, first rack, the second rack, first clamp splice, mutually supporting of second clamp splice and stripper plate, hydraulic cylinder drives the stripper plate and extrudees two moulds from last mould top, the in-process of stripper plate downstream, first rack, first gear, first bull stick and drive mechanism cooperation drive the second bull stick and rotate, the second gear drives first clamp splice and second clamp splice removal with the cooperation of second rack, first clamp splice and second clamp splice are to last mould and last mould side junction centre gripping that stabilizes, thereby the too big off tracking that leads to the mould to effectually prevent that the mould top from pressing force from taking place, and then avoid accomplishing the unable use of the work piece of casting.

Drawings

Fig. 1 is a schematic structural diagram of a flywheel casting mold pressing tool provided by the utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic connection diagram of a rectangular frame and a second rack in the flywheel casting mold pressing tool provided by the utility model;

fig. 4 is a schematic view of connection between a first clamping block and a second clamping block in the flywheel casting mold pressing tool provided by the utility model.

Illustration of the drawings:

1. installing a base; 2. a mounting frame; 3. a cylinder; 4. a transverse plate; 5. a rubber block; 6. a pressing plate; 7. a side plate; 8. a first rack; 9. a first rotating lever; 10. a first gear; 11. a second rotating rod; 12. a second gear; 13. a first drive pulley; 14. a transmission belt; 15. a second transmission wheel; 16. a second rack; 17. a rectangular frame; 18. a chute; 19. a slide bar; 20. a clamping block; 21. a first clamping block; 22. a second clamp block; 23. a bidirectional servo motor; 24. a screw; 25. a thread block; 26. a movable groove; 27. a stabilizing block; 28. a telescopic rod; 29. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model provides a flywheel casting mold pressing tool: including installation base 1, fixed surface is connected with mounting bracket 2 on the

installation base

1, 2 inside wall fixedly connected with cylinders 3 of mounting bracket, 3 piston end fixedly connected with diaphragms 4 of cylinder, 4 bottom fixedly connected with rubber block 5 of diaphragm, one side fixedly connected with stripper plate 6 of diaphragm 4 is kept away from to rubber block 5, stripper plate 6 is when carrying out the mould and press down, cushion the punching press power of top cylinder 3 through rubber block 5, prevent that 6 overdraws of stripper plate from leading to the fact the mould to take place to damage, 4 both sides of diaphragm are connected with first rack 8 through curb plate 7, curb plate 7 runs through mounting bracket 2 top and with mounting bracket 2 sliding connection with 8 tops of first rack, 2 lateral walls of mounting bracket rotate and are connected with two first bull sticks 9 and two second bull sticks 11.

The first rotating rod 9 and the second rotating rod 11 on the adjacent side are connected through a transmission mechanism, the transmission mechanism comprises a first transmission wheel 13 fixedly sleeved on the outer side wall of the corresponding first rotating rod 9, the first transmission wheel 13 is connected with a second transmission wheel 15 through a transmission belt 14 in a transmission mode, and the second transmission wheel 15 is fixedly sleeved on the outer side wall of the second rotating rod 11.

Furthermore, the outer side wall of the first rack 8 is engaged and connected with a first gear 10, the first gear 10 is fixedly sleeved and connected on the outer side wall of the corresponding first rotating rod 9, the outer side wall of the second rotating rod 11 is fixedly sleeved and connected with a second gear 12, the outer side wall of the second gear 12 is engaged and connected with a second rack 16, the outer side wall of the second rack 16 is slidably connected with a rectangular frame 17, the side wall of the rectangular frame 17 is provided with two sliding grooves 18, the inner side wall of each sliding groove 18 is slidably connected with a sliding rod 19, two adjacent sliding rods 19 are fixedly connected on the outer side wall of the second rack 16 on the same side, one end of each sliding rod 19 far away from the second rack 16 is fixedly connected with a fixture block 20, the fixture block 20 is slidably connected on the outer side wall of the rectangular frame 17, and when the second gear 12 drives the second rack 16 to move, the sliding rod 19 and the fixture block 20 can stabilize the moving track of the second rack 16, the rectangular frame 17 is fixedly connected to the inner side wall of the mounting frame 2, and one end of the second rack 16 far away from the second gear 12 is fixedly connected with the first clamping block 21.

First clamp splice 21 is connected with second clamp splice 22 through the shrink subassembly, and specifically, the shrink subassembly includes two telescopic links 28 of fixed connection at first clamp splice 21 inside wall, and the one end fixed connection that first clamp splice 21 was kept away from to telescopic link 28 is on second clamp splice 22 outside wall, and telescopic link 28 overcoat is equipped with spring 29, and when the side centre gripping of carrying out the mould, the shrink subassembly can cushion the pressure that first clamp splice 21 applyed to the mould, prevents that the mould is impaired.

The side wall of the mounting base 1 is connected with two stabilizing blocks 27 through a driving mechanism, the driving mechanism comprises a bidirectional servo motor 23 fixedly connected to the bottom of the mounting base 1, a screw 24 is fixedly connected to the output end of the bidirectional servo motor 23, the outer side wall of the screw 24 is in threaded connection with a thread block 25, two movable grooves 26 are formed in the upper surface of the mounting base 1, and the two thread blocks 25 are respectively connected with the inner side wall of the corresponding movable groove 26 in a sliding mode and fixedly mounted at the bottoms of the corresponding stabilizing blocks 27.

The working principle is as follows: when clamping the mold, placing the lower mold in the middle of the mounting base 1, starting the two-way servo motor 23, the two-way servo motor 23 driving the screw 24 to rotate, the screw 24 driving the screw block 25 to move, the screw block 25 driving the stabilizing block 27 to move towards two sides of the lower mold, the stabilizing block 27 moving towards two sides of the lower mold, fixing the lower mold on the mounting base 1, fastening the upper mold on the lower mold, starting the cylinder 3, the piston end of the cylinder 3 driving the horizontal plate 4 to move downwards, the horizontal plate 4 driving the first rack 8 to move downwards through the side plate 7, the first rack 8 driving the first gear 10 to rotate, the first gear 10 driving the first rotating rod 9 to rotate, the first rotating rod 9 driving the second rotating rod 11 to rotate through the driving belt 14, the second rotating rod 11 driving the second gear 12 to rotate, the second gear 12 driving the second rack 16 to move towards the sides of the upper mold and the lower mold along the rectangular frame 17, meanwhile, the transverse plate 4 drives the extrusion plate 6 to press towards the top of the upper die through the rubber block 5, the first clamping block 21 drives the second clamping block 22 to clamp and stabilize the joint of the upper die and the lower die, the extrusion plate 6 presses the top of the upper die to enable the upper die and the lower die to be tightly combined together, after die casting is completed, the piston end of the air cylinder 3 contracts upwards, the air cylinder 3 drives the extrusion plate 6 to move upwards to release clamping on the top of the upper die, the first rotating rod 9 drives the second rotating rod 11 to rotate reversely to enable the second rack 16 to move towards two sides, the second rack 16 drives the first clamping block 21 and the second clamping block 22 to move to release clamping on the side edges of the upper die and the lower die, the bidirectional servo motor 23 is started to rotate reversely, and the screw rod 24 drives the stabilizing block 27 to move towards two sides through the thread block 25 to release clamping on the lower die.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a flywheel casting mould compresses tightly frock, includes installation base (1), its characterized in that: the mounting base (1) is fixedly connected with a mounting frame (2) on the upper surface, a cylinder (3) is fixedly connected with the inner side wall of the mounting frame (2), a transverse plate (4) is fixedly connected with the piston end of the cylinder (3), the two sides of the transverse plate (4) are connected with a first rack (8) through side plates (7), the outer side wall of the mounting frame (2) is rotatably connected with two first rotating rods (9) and two second rotating rods (11), the first rotating rods (9) and the second rotating rods (11) on the adjacent sides are connected through a transmission mechanism, the outer side wall of each first rack (8) is meshed with a first gear (10), the first gears (10) are fixedly sleeved on the outer side wall of the corresponding first rotating rod (9), the outer side wall of each second rotating rod (11) is fixedly sleeved with a second gear (12), the outer side wall of each second gear (12) is meshed with a second rack (16), second rack (16) lateral wall sliding connection has rectangle frame (17), rectangle frame (17) fixed connection is on mounting bracket (2) inside wall, the first clamp splice (21) of one end fixedly connected with of second gear (12) is kept away from in second rack (16), first clamp splice (21) are connected with second clamp splice (22) through shrink component, installation base (1) lateral wall is connected with two firm pieces (27) through actuating mechanism.

2. The flywheel casting die pressing tool according to claim 1, characterized in that: the transmission mechanism comprises a first transmission wheel (13) fixedly sleeved on the outer side wall of the corresponding first rotating rod (9), the first transmission wheel (13) is in transmission connection with a second transmission wheel (15) through a transmission belt (14), and the second transmission wheel (15) is fixedly sleeved on the outer side wall of the second rotating rod (11).

3. The flywheel casting die pressing tool according to claim 1, characterized in that: the shrink subassembly includes two telescopic links (28) of fixed connection at first clamp splice (21) inside wall, the one end fixed connection that first clamp splice (21) was kept away from in telescopic link (28) is on second clamp splice (22) outside wall, telescopic link (28) overcoat is equipped with spring (29).

4. The flywheel casting die pressing tool according to claim 1, characterized in that: actuating mechanism includes two-way servo motor (23) of fixed connection in installation base (1) bottom, two-way servo motor (23) output end fixedly connected with screw rod (24), screw rod (24) lateral wall threaded connection has thread piece (25), two movable groove (26) have been seted up to installation base (1) upper surface, two thread piece (25) respectively with correspond movable groove (26) inside wall sliding connection and fixed mounting in corresponding firm piece (27) bottom.

5. The flywheel casting die pressing tool according to claim 1, characterized in that: diaphragm (4) bottom fixedly connected with block rubber (5), one side fixedly connected with stripper plate (6) of diaphragm (4) are kept away from in block rubber (5).

6. The flywheel casting die pressing tool according to claim 1, characterized in that: two sliding grooves (18) are formed in the side wall of the rectangular frame (17), a sliding rod (19) is connected to the inner side wall of each sliding groove (18) in a sliding mode, two adjacent sliding rods (19) are fixedly connected to the outer side wall of the second rack (16) on the same side, a clamping block (20) is fixedly connected to one end, far away from the second rack (16), of each sliding rod (19), and the clamping block (20) is connected to the outer side wall of the rectangular frame (17) in a sliding mode.