CN218256198U - Mold ejection mechanism with reset structure - Google Patents

Abstract

The utility model provides a take reset structure's mould ejection mechanism. The mould ejection mechanism with the reset structure comprises a base and a plurality of ejector pins which are slidably connected to the base, wherein vertical rods are arranged at the bottom ends of the ejector pins in a fixed mode, auxiliary springs are sleeved on the outer sides of the vertical rods, the auxiliary springs are arranged in the base, the bottom ends of the ejector pins are symmetrically and fixedly provided with installation side plates, guide grooves are formed in the center of each installation side plate, and guide blocks which are in sliding fit with the guide grooves are symmetrically and fixedly arranged in the base. The utility model provides a take mould ejection mechanism of structure that resets area mold ejection mechanism of structure that resets can realize shifting up in step of ejector pin through the power unit that is equipped with on the equipment, in addition, it can reset in step, and when resetting, power unit can carry out the top of going up and the step that resets many times to the thimble produces not hard up under the spring action of spring, in order to reach the purpose that resets.

Description

Mold ejection mechanism with reset structure

Technical Field

The utility model relates to a ejecting technical field of mould especially relates to a take reset structure's mould ejection mechanism.

Background

The ejector mechanism of the existing ejector pin type die needs to be reset after being used, the ejector pin is mostly reset by an external auxiliary power source, the ejector pin can be blocked, the ejector pin is reset by pulling once, the stress of the ejector pin is large in the pulling process, and the ejector pin is deformed, so that the ejector pin needs to be reset by a gradual reset structure, and the stress of the ejector pin is prevented from being large.

Therefore, it is necessary to provide a new mold ejection mechanism with a reset structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a take reset structure's mould ejection mechanism.

The utility model provides a take reset structure's mould ejection mechanism includes: base and sliding connection are in a plurality of thimble on the base, the montant is equipped with to the equal ann in bottom of each thimble, auxiliary spring has all been cup jointed in the outside of each montant, and a plurality of auxiliary spring all set up the inside at the base, the bottom symmetry fixed mounting of each thimble has the installation curb plate, the guide way has all been seted up to the central authorities of each installation curb plate, the equal symmetry fixed mounting in inside of base has the guide block of mutual sliding fit between with the guide way, the equal fixed mounting in bottom of each montant has supplementary piece, the inside equidistance sliding connection of base has a plurality of guide arms, and between guide arm and the supplementary piece extrusion fit, the inside equidistance fixed mounting of base has the restriction pole, the central authorities of guide arm seted up and the cooperation groove of mutual sliding fit between the restriction pole, the bottom fixed mounting of base has power unit, power unit's output and the one end fixed connection of guide arm.

Preferably, the top end of each guide rod is provided with a trapezoidal convex block matched with the auxiliary block.

Preferably, each auxiliary block has an elliptical structure.

Preferably, each of the restraining bars has a rectangular configuration.

Preferably, the power mechanism comprises: the mount, mount fixed mounting is in the bottom of base, the bottom central authorities fixed mounting of mount has the work motor, the output fixed mounting of work motor has drive gear, the inside symmetry sliding connection of base has the pinion rack, and intermeshing is connected between pinion rack and the drive gear, fixed connection between the lateral wall of base and the lateral wall of connecting plate is all passed to two pinion racks one end of keeping away from drive gear, the inside symmetry fixed mounting of base has the restriction piece, the one end of two restriction pieces all with the one end fixed connection of restriction spring, and the restriction spring all sets up the inside at the base, the lateral wall one end of two pinion racks all seted up and restrict the draw-in groove of mutually supporting between the piece.

Preferably, the center of the fixing frame is provided with a mounting frame matched with the working motor.

Preferably, one end of the limiting block is provided with an inclined plane.

Preferably, one side that the connecting plate was kept away from to two pinion racks all seted up with the restriction piece between sliding fit's guide slot.

Preferably, one side of the clamping groove is provided with a chamfer matched with the limiting block.

Preferably, the two sides of the fixing frame are provided with grooves matched with the connecting plate.

Compared with the prior art, the utility model provides a take reset structure's mould ejection mechanism has following beneficial effect:

when the device is required to reset the ejection mechanism of the mold, at the moment, the power mechanism starts to work to drive the guide rods to move in opposite directions, so that the ejector pins are ejected, the ejector pins can be ejected synchronously by the synchronous movement of the guide rods, the ejection process is completed, then, when the power mechanism drives the guide rods to move in forward or reverse directions, the movement directions of the two adjacent guide rods are opposite, the trapezoidal lugs fixedly mounted at the top ends of the two adjacent guide rods are opposite in direction, the guide rods move rightwards to eject the ejector pins, and the guide rods move leftwards to reset the ejector pins (the movement directions of the guide rods in opposite directions are opposite to the movement directions), the power mechanism can keep the synchronism of the operation of the ejector pins, and during resetting, the power mechanism can perform multiple ejection and resetting steps so that the ejector pins are loosened under the elastic force of the auxiliary spring to achieve the purpose of resetting.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a mold ejection mechanism with a reset structure according to the present invention;

fig. 2 is a second schematic structural view of a preferred embodiment of a mold ejection mechanism with a reset structure according to the present invention;

FIG. 3 is a schematic view of the partial explosion shown in FIG. 1;

fig. 4 is one of the structural diagrams of the power mechanism shown in fig. 1;

fig. 5 is a second schematic structural view of the power mechanism shown in fig. 1.

Reference numbers in the figures: 1. a thimble; 2. a base; 3. a vertical rod; 4. an auxiliary spring; 5. installing a side plate; 6. a guide groove; 7. a guide block; 8. an auxiliary block; 9. a guide bar; 10. a restraining bar; 11. a mating groove; 12. a power mechanism; 13. a fixed mount; 14. a working motor; 15. a transmission gear; 16. a toothed plate; 17. a connecting plate; 18. a limiting block; 19. a restraining spring; 20. a card slot; 21. and (7) installing holes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

In the specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, base 2 and sliding connection are in a plurality of thimble 1 on base 2, each montant 3 has all regularly been installed to the bottom of thimble 1, each helper spring 4 has all been cup jointed in the outside of montant 3, and a plurality of helper spring 4 all sets up in the inside of base 2, each the bottom symmetry fixed mounting of thimble 1 has installation curb plate 5, each guide way 6 has all been seted up to the central authorities of installation curb plate 5, the inside equal symmetry fixed mounting of base 2 has guide block 7 with guide way 6 between mutual sliding fit, each the equal fixed mounting in bottom of montant 3 has auxiliary block 8, the inside equidistance sliding connection of base 2 has a plurality of guide arms 9, and between guide arm 9 and the auxiliary block 8 extrusion fit, the inside equidistance fixed mounting of base 2 has limiting rod 10, the central authorities of guide arm 9 set up with limiting rod 10 between mutual sliding fit's cooperation groove 11, the bottom fixed mounting of base 2 has power unit 12, power unit's 12 output and the one end fixed connection of guide arm 9.

It should be noted that: when the device is needed to reset the ejection mechanism of the mold, at this time, the power mechanism 12 starts to work to drive the guide rods 9 to move in opposite directions, so as to realize the ejection of the thimble 1, and the synchronous motion of the guide rods 9 can enable the thimble 1 to be synchronously ejected to complete the ejection process, subsequently, when the power mechanism 12 drives the guide rods 9 to move in forward or reverse directions, the motion directions of two adjacent guide rods 9 are opposite, and the directions of the trapezoidal lugs fixedly installed at the top ends of the two adjacent guide rods 9 are opposite, the guide rod 9 moves in the right direction to eject the thimble, the guide rod 9 moves the thimble to the left to reset (the moving direction of the guide rod 9 in the opposite direction is opposite to the motion), and the power mechanism 12 is arranged to keep the synchronization of the operation of the thimble 1, and when resetting, the power mechanism 12 can perform multiple ejection and resetting steps, so that the thimble 1 is loosened under the elastic force of the auxiliary spring 4 to achieve the purpose of resetting.

Referring to fig. 3, trapezoidal protruding blocks matched with the auxiliary blocks 8 are formed at the top ends of the guide rods 9, the protruding blocks can move upwards on the thimble 1, and the vertical rods 3 at the bottom end of the thimble 1 can be accommodated between the protruding blocks.

Referring to fig. 3, each of the auxiliary blocks 8 has an oval structure, and the thimble 1 can be pushed up by a protrusion provided at the top end of the guide rod 9.

Referring to fig. 3, each of the limiting rods 10 has a rectangular structure, so as to increase the operation stability of the guide rod 9 inside the base 2.

Referring to fig. 4 and 5, the power mechanism 12 includes: mount 13, mount 13 fixed mounting is in the bottom of base 2, the bottom central fixed mounting of mount 13 has work motor 14, the output fixed mounting of work motor 14 has drive gear 15, the inside symmetry sliding connection of base 2 has pinion rack 16, and is connected with intermeshing between pinion rack 16 and the drive gear 15, two fixed connection between the lateral wall of base 2 and the lateral wall of connecting plate 17 is all passed to the one end that drive gear 15 was kept away from to pinion rack 16, the inside symmetry fixed mounting of base 2 has limiting block 18, two the one end of limiting block 18 all with limiting spring 19's one end fixed connection, and limiting spring 19 all sets up in the inside of base 2, two mutually supporting draw-in groove 20 between limiting block 18 is all seted up to pinion rack 16's lateral wall one end and limiting block 18.

It should be noted that: when the power mechanism 12 works, at this time, the working motor 14 works to drive the transmission gear 15 to rotate, the transmission gear 15 is meshed with the toothed plate 16, along with the meshing connection of the toothed plate 16, the toothed plate 16 can drive the connecting plate 17 to move along with the rotation of the transmission gear 15, and the connecting plate 17 is fixedly connected with the guide rods 9 at intervals, so that the guide rods 9 are moved, the ejector pin 1 is pushed up, or is subsequently reset, the limiting block 18 can limit the toothed plate 16, and the ejector pin 1 is kept in a pushed-out state, so that a product can be taken out.

Referring to fig. 4 and 5, a mounting hole 21 is formed in the center of the fixing frame 13 and is matched with the working motor 14, so as to increase the mounting stability of the working motor 14.

Referring to fig. 4 and 5, an inclined surface is formed at one end of the restricting block 18, so that the restricting block 18 is better pressed when the toothed plate 16 is reset, the restricting block 18 is compressed, and the toothed plate 16 is better reset.

Referring to fig. 4 and 5, guide grooves which are in sliding fit with the limiting blocks 18 are formed on both sides of the two tooth plates 16 far away from the connecting plate 17, so that the tooth plates 16 and the limiting blocks 18 can move conveniently.

Referring to fig. 4 and 5, a chamfer matched with the limiting block 18 is formed at one side of the clamping groove 20, which is more beneficial for the toothed plate 16 to press the limiting block 18 so as to move the toothed plate 16.

Referring to fig. 4 and 5, grooves matched with the connecting plate 17 are formed on both sides of the fixing frame 13, so that the stability of the connecting plate 17 during operation is improved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a take die ejection mechanism of structure that resets which characterized in that includes: base (2) and sliding connection are in a plurality of thimble (1) on base (2), each montant (3) are all regularly installed to the bottom of thimble (1), each auxiliary spring (4) have all been cup jointed in the outside of montant (3), and a plurality of auxiliary spring (4) all set up the inside in base (2), each the bottom symmetry fixed mounting of thimble (1) has installation curb plate (5), each guide way (6) have all been seted up to the central authorities of installation curb plate (5), the inside equal symmetry fixed mounting of base (2) has guide block (7) with guide way (6) between mutual sliding fit, each the equal fixed mounting in bottom of montant (3) has auxiliary block (8), the inside equidistance sliding connection of base (2) has a plurality of guide arm (9), and extrusion fit between guide arm (9) and auxiliary block (8), the inside equidistance fixed mounting of base (2) has limiting rod (10), power unit (12) and power unit (12) are connected to the central authorities of guide arm (9).

2. The mold ejection mechanism with the resetting structure as claimed in claim 1, wherein the top end of each guide rod (9) is provided with a trapezoidal convex block which is matched with the auxiliary block (8).

3. The mold ejection mechanism with the return structure according to claim 1, wherein each of the auxiliary blocks (8) has an oval structure.

4. The mold ejection mechanism with the return structure according to claim 1, wherein each of the restraining bars (10) has a rectangular structure.

5. The mold ejection mechanism with reset structure of claim 1, wherein the power mechanism (12) comprises: mount (13), mount (13) fixed mounting is in the bottom of base (2), the bottom central authorities fixed mounting of mount (13) has work motor (14), the output fixed mounting of work motor (14) has drive gear (15), the inside symmetry sliding connection of base (2) has pinion rack (16), and is engaged with each other between pinion rack (16) and drive gear (15) and be connected, two base (2) and fixed connecting plate (17) of being provided with are worn out to the one end of pinion rack (16), the inside symmetry fixed mounting of base (2) has limiting block (18), two the one end of limiting block (18) all with the one end fixed connection of limiting spring (19), and limiting spring (19) all sets up in the inside of base (2), two draw-in groove (20) of mutually supporting between limiting block (18) are all seted up to the lateral wall one end of pinion rack (16).

6. The mold ejection mechanism with the resetting structure as claimed in claim 5, wherein the fixing frame (13) is centrally provided with a mounting hole (21) which is matched with the working motor (14).

7. The mold ejection mechanism with the returning structure according to claim 5, wherein one end of the limiting block (18) is provided with an inclined surface.

8. The mold ejection mechanism with the resetting structure according to claim 5, wherein one side of each of the two toothed plates (16) away from the connecting plate (17) is provided with a guide groove in sliding fit with the limiting block (18).

9. The mold ejection mechanism with the resetting structure as claimed in claim 5, wherein one side of the slot (20) is provided with a chamfer which is matched with the limiting block (18).

10. The mold ejection mechanism with the resetting structure according to claim 5, wherein both sides of the fixing frame (13) are provided with grooves which are matched with the connecting plate (17).

Images