CN220992781U - Demolding device for casting molding - Google Patents

Abstract

The utility model discloses a demolding device for casting modeling, which comprises a bottom plate, wherein a top plate is arranged above the bottom plate, the upper surface of the bottom plate is close to the left end and is fixedly connected with the top plate through a supporting plate, an upper die is fixed on the lower surface of the top plate, a lower die is arranged on the lower side of the upper die, a casting sleeve connected with the upper die is arranged on the top plate, a plurality of hydraulic rods are fixed on the upper surface of the bottom plate, ejector rods at the upper ends of the hydraulic rods are fixedly connected with the lower die, the lower die is driven to descend by the hydraulic rods, at the moment, the lower die descends to a certain distance and then drives a pushing mechanism to descend so as to push out a casting clamped on the upper die, and after the lower die descends to a certain distance, a baffle blocks the ejector rods so as to enable the ejector rods to push out the casting upwards.

Description

Demolding device for casting molding

Technical Field

The utility model relates to the technical field of casting molding, in particular to a demolding device for casting molding.

Background

The casting has very wide application, is applied to hardware, the whole mechanical and electronic industry and the like, and the application of the casting is in a trend of continuous expansion, and the casting is formed by pouring smelted liquid metal into a mould prepared in advance by casting, injection, suction or other casting methods.

In order to facilitate taking out the molded casting after casting molding, the casting needs to be separated from the mold by a demolding mechanism, so that the casting is conveniently taken out from the mold.

When the existing casting mold is used for demolding castings, the mold is required to be driven to be opened, and then the demolding mechanism is driven to eject the castings, and the demolding mode requires two power sources to be driven separately, so that certain inconvenience exists in the demolding mode of the castings, and meanwhile, the energy consumption is increased.

Disclosure of utility model

In order to solve the problems of certain inconvenience and energy loss increase in the aspect of casting demoulding of the existing casting pouring mould, the application provides a demoulding device for casting modeling, which adopts the following technical scheme:

The utility model provides a shedder for casting molding, which comprises a base plate, the top of bottom plate is provided with the roof, and the upper surface of bottom plate is close to left end and passes through backup pad and roof fixed connection, the lower fixed surface of roof has the mould, and go up the mould downside and be provided with the lower mould, install the casting cover of being connected with last mould on the roof, fixed surface has a plurality of hydraulic stems on the bottom plate, and the ejector pin of a plurality of hydraulic stems upper end all with lower mould fixed connection, a plurality of ejector pins are installed to the inboard of lower mould, be fixed with the baffle that blocks the ejector pin down movement between a plurality of hydraulic stems, the left and right sides of lower mould all is fixed with pushing mechanism, and pushing mechanism pushes out the foundry goods on the upper mould downwards when following lower mould down movement.

Optionally, a forming concave cavity is formed in the upper surface of the lower die, a jacking hole matched with the ejector rod is formed in the top of the forming concave cavity, and the jacking hole is a countersunk hole.

Optionally, the left and right sides of lower mould all is fixed with the connecting block, and the slot has been seted up to the upper surface of connecting block, and the side of connecting block is revolved and is twisted and have locking screw.

Optionally, the pushing equipment includes the guide bar of vertical roof that passes, and the upper end of guide bar is fixed with horizontal fly leaf, and the one end cover that the fly leaf kept away from the guide bar is equipped with vertical push rod, is fixed with two retaining rings that are located the fly leaf upper and lower both sides respectively on the push rod, and the lower extreme of push rod passes the roof and inserts in last mould.

Optionally, a screw thread head is fixed at the upper end of the guide rod, and a nut is installed at the upper end of the screw thread head through the movable plate.

Optionally, a forming male die is fixed on the lower surface of the upper die, a runner hole is formed in the middle of the upper die, and guide holes are formed in the upper die close to the left side and the right side.

Compared with the prior art, the utility model has the beneficial effects that:

In the utility model, when the casting is demoulded, the lower die is driven to descend by the hydraulic rod, and then the lower die descends to a certain distance to drive the pushing mechanism to descend so as to push out the casting clamped on the upper die, and after the lower die descends to a certain distance, the baffle blocks the ejector rod so as to enable the ejector rod to eject the casting upwards, so that the casting can be taken out, and the whole demoulding process only needs the hydraulic rod as a power source, and meanwhile, the demoulding can be carried out while the die is opened, so that the demoulding of the casting is more convenient and quicker, and meanwhile, the energy consumption is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a demolding apparatus for casting molding of the present utility model;

FIG. 2 is a schematic view of a lower die of a mold release device for molding castings according to the present utility model;

FIG. 3 is a schematic illustration of a pushing mechanism of a demolding device for casting molding according to the present utility model;

FIG. 4 is a schematic view of an upper die of a mold release device for molding a casting according to the present utility model.

In the figure: 1. a bottom plate; 2. a support plate; 3. a hydraulic rod; 4. a lower die; 41. forming a concave cavity; 42. a jacking hole; 43. a slot; 44. locking a screw; 45. a connecting block; 5. a pushing mechanism; 51. a guide rod; 52. a thread head; 53. a nut; 54. a movable plate; 55. a retainer ring; 56. a push rod; 6. a top plate; 7. casting the sleeve; 8. an upper die; 81. a guide hole; 82. a flow passage hole; 83. forming a male die; 9. a baffle; 10. and (5) a push rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1 specifically, a demolding device for casting molding includes a bottom plate 1, a top plate 6 is disposed above the bottom plate 1, the upper surface of the bottom plate 1 is close to the left end and fixedly connected with the top plate 6 through a supporting plate 2, an upper die 8 is fixed on the lower surface of the top plate 6, a lower die 4 is disposed on the lower side of the upper die 8, a casting sleeve 7 connected with the upper die 8 is mounted on the top plate 6, a plurality of hydraulic rods 3 are fixed on the upper surface of the bottom plate 1, ejector rods at the upper ends of the plurality of hydraulic rods 3 are fixedly connected with the lower die 4, a baffle 9 for blocking the downward movement of the ejector rods 10 is fixed between the plurality of hydraulic rods 3, after the lower die 4 descends to a certain distance, the baffle 9 blocks the ejector rods 10, so that the ejector rods 10 eject castings upwards, the castings can be taken out, pushing mechanisms 5 are fixed on the left side and the right side of the lower die 4, the pushing mechanisms 5 push the castings 8 downwards along with the downward movement of the lower die 4, and the pushing mechanisms 4 push the castings 3 downwards by a certain distance after the lower die 4, so that the pushing mechanisms push the castings 8 downwards.

Referring to fig. 2 specifically, a forming cavity 41 is formed on the upper surface of the lower die 4, the lower die 4 is formed by the forming cavity 41, a jacking hole 42 matched with the ejector rod 10 is formed at the top of the forming cavity 41, the jacking hole 42 is a countersunk hole, the ejector rod 10 is guided by the jacking hole 42, the countersunk hole structure is convenient to limit the ejector rod 10 in a downward movement manner, connecting blocks 45 are fixed on the left and right sides of the lower die 4, slots 43 are formed on the upper surface of the connecting blocks 45, the connecting blocks 45 position and install the guide rods 51 by using the slots 43, locking screws 44 are screwed on the side surfaces of the connecting blocks 45, and locking and fixing are performed when the guide rods 51 are installed by the locking screws 44.

Referring to fig. 3 specifically, the pushing mechanism 5 includes a guide rod 51 vertically penetrating through the top plate 6, the lower end of the guide rod 51 is fixedly connected with the lower die 4, a transverse movable plate 54 is fixed at the upper end of the guide rod 51, a threaded head 52 is fixed at the upper end of the guide rod 51, a nut 53 is installed at the upper end of the threaded head 52 penetrating through the movable plate 54, the guide rod 51 is fixedly connected with the movable plate 54 through the threaded head 52 and the nut 53, a vertical push rod 56 is sleeved at one end of the movable plate 54 far away from the guide rod 51, two check rings 55 respectively located at the upper side and the lower side of the movable plate 54 are fixed on the push rod 56, the lower end of the push rod 56 penetrates through the top plate 6 and is inserted into the upper die 8, the guide rod 51 drives the movable plate 54 to descend when following the lower die 4, and the movable plate 54 drives the push rod 56 to descend when pushing against the check ring 55 at the lower side.

Referring to fig. 4 specifically, a forming male die 83 is fixed on the lower surface of the upper die 8, the upper die 8 forms a casting through the forming male die 83, a runner hole 82 is formed in the middle of the upper die 8 to guide the casting solution, guide holes 81 are formed in the upper die 8 near the left and right sides, and the guide holes 81 guide the push rod 56.

Working principle: when the casting is formed, molten iron is poured into the casting sleeve 7 and flows into the die to form, then the lower die 4 is driven to descend through the hydraulic rod 3, the guide rod 51 and the movable plate 54 are driven to descend when the lower die 4 descends, the push rod 56 is driven to descend to push materials when the movable plate 54 is propped against the retainer ring 55 at the lower side, the lower end of the push rod 10 is propped against the baffle plate 9 when the lower die 4 descends, and at the moment, the push rod 10 props the casting under the blocking of the baffle plate 9 to enable the casting to be incapable of following the lower die 4 to descend so as to separate from the lower die, and at the moment, the casting is taken out so as to complete the demoulding of the casting.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a demoulding device for casting molding, includes bottom plate (1), its characterized in that: the top of bottom plate (1) is provided with roof (6), and the upper surface of bottom plate (1) is close to left end and passes through backup pad (2) and roof (6) fixed connection, the lower surface of roof (6) is fixed with mould (8), and goes up mould (8) downside and be provided with lower mould (4), install casting cover (7) of being connected with last mould (8) on roof (6), the upper surface of bottom plate (1) is fixed with a plurality of hydraulic stems (3), and the ejector pin of a plurality of hydraulic stems (3) upper end all with lower mould (4) fixed connection, the inboard of lower mould (4) install a plurality of ejector pins (10), a plurality of hydraulic stems (3) between be fixed with baffle (9) that carry out the downstream and block ejector pin (10), the left and right sides of lower mould (4) all are fixed with pushing away material mechanism (5), and push away the foundry goods on with upper mould (8) when pushing away lower mould (4) downstream.

2. The demolding device for casting molding according to claim 1, wherein the upper surface of the lower mold (4) is provided with a molding cavity (41), the top of the molding cavity (41) is provided with a jacking hole (42) matched with the ejector rod (10), and the jacking hole (42) is a countersunk hole.

3. The demolding device for casting molding according to claim 2, wherein the connecting blocks (45) are fixed on the left side and the right side of the lower mold (4), the upper surface of the connecting block (45) is provided with a slot (43), and the side surface of the connecting block (45) is screwed with a locking screw (44).

4. The demolding device for casting molding according to claim 1, wherein the pushing mechanism (5) comprises a guide rod (51) vertically penetrating through the top plate (6), a transverse movable plate (54) is fixed at the upper end of the guide rod (51), a vertical push rod (56) is sleeved at one end, far away from the guide rod (51), of the movable plate (54), two check rings (55) respectively located at the upper side and the lower side of the movable plate (54) are fixed on the push rod (56), and the lower end of the push rod (56) penetrates through the top plate (6) and is inserted into the upper mold (8).

5. The demolding device for casting molding according to claim 4, wherein a screw head (52) is fixed to the upper end of the guide rod (51), and a nut (53) is mounted to the upper end of the screw head (52) through a movable plate (54).

6. The demolding device for casting molding according to claim 1, wherein a molding male die (83) is fixed on the lower surface of the upper die (8), a runner hole (82) is formed in the middle of the upper die (8), and guide holes (81) are formed in the upper die (8) near the left and right sides.