CN214601882U

CN214601882U - Mould is used in inspection shaft lid production with preheat function

Info

Publication number: CN214601882U
Application number: CN202120588204.7U
Authority: CN
Inventors: 刘业宏
Original assignee: Anhui Honghua Foundry Co ltd
Current assignee: Anhui Honghua Foundry Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-11-05
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the technical field of inspection well cover production, and discloses a mold with a preheating function for inspection well cover production, which comprises a lower mold with a circular cross section and an upper mold connected to the upper end of the lower mold through a rotating shaft, wherein the lower mold is connected with a preheating device; the preheating device comprises a preheating groove body with a circular cross section, a groove opening of the preheating groove body is connected with the side wall of the lower die through a sealing ring plate, liquid water is arranged in the preheating groove body, heating rods are symmetrically installed at the bottom of an inner groove of the preheating groove body, a driving motor is fixedly connected at the bottom center of an outer groove of the preheating groove body, and a sealing bearing is embedded at the bottom center of the groove of the preheating groove body. The utility model discloses preheat the lower mould, prevent that the mould from causing the fracture because of the difference in temperature is too big in the use, improved life, the molten iron to pouring in the lower mould moreover produces the shaking force for bubble emerges in the molten iron, reduces the bubble in the molten iron, thereby has improved the production quality of inspection shaft lid.

Description

Mould is used in inspection shaft lid production with preheat function

Technical Field

The utility model relates to an inspection shaft lid production technical field especially relates to a mould is used in inspection shaft lid production with preheat function.

Background

A lot of inspection well covers can be installed on the existing road, a green channel is opened for urban sewer pipes, a lot of contributions are made to road construction of China, molds are generally adopted for production of the existing inspection well covers at present, but the molds lack a preheating function in the production process, if the surface temperature of the molds is low, high-temperature liquid metal is suddenly injected into the molds, the molds can crack due to large temperature difference after a long time, the service life of the molds is shortened, and in the inspection well cover forming process, bubbles easily appear in the inspection well covers, and the production quality of the inspection well covers is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art mould and lacking the function of preheating, if mould surface temperature is lower, suddenly to the inside liquid metal who injects the high temperature of mould, get off for a long time because the difference in temperature is great can make the mould fracture, reduce its life, in inspection shaft lid forming process, the bubble appears easily in the inspection shaft lid in addition, reduces inspection shaft lid production quality's problem, and the mould is used in the inspection shaft lid production that has the function of preheating of proposing.

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

a mould with a preheating function for producing an inspection well cover comprises a lower mould with a circular cross section and an upper mould connected to the upper end of the lower mould through a rotating shaft, wherein a preheating device is connected to the lower mould;

the preheating device comprises a preheating groove body with a circular cross section, the notch of the preheating groove body is connected with the side wall of the lower die through a sealing ring plate, liquid water is arranged in the preheating groove body, heating rods are symmetrically arranged at the bottom of an inner groove of the preheating groove body, a driving motor is fixedly connected at the center of the bottom of an outer groove of the preheating groove body, a sealing bearing is embedded at the center of the bottom of the preheating groove body, the output end of the driving motor is connected with a rotating shaft through a coupler, the other end of the rotating shaft penetrates through the sealing bearing and extends upwards, a supporting groove is formed in one end of the rotating shaft, which is far away from the driving motor, a supporting rod is connected at the bottom of the supporting groove through a reset spring, the other end of the supporting rod penetrates through the notch of the supporting groove and is fixedly connected with a knocking rod in an L shape, and the supporting rod is connected with the supporting groove through a limiting assembly, the outer cell wall of preheating the cell body all is the hemispherical atress piece of a plurality of fixedly connected with of matrix on with the outer tank bottom, the lower extreme of preheating the cell body is connected with supporting component.

Preferably, the supporting component comprises a base, the base is arranged below the preheating groove body, supporting springs are fixedly connected to four corners of the lower end of the preheating groove body, and the other ends of the supporting springs are fixedly connected to the upper end of the base.

Preferably, the limiting assembly comprises two limiting blocks, the two limiting blocks are symmetrically connected to the rod wall of the supporting rod close to one end of the reset spring, matched limiting grooves are formed in the positions, corresponding to the limiting blocks, of the groove wall of the supporting groove in the vertical direction, and the limiting blocks are connected in the corresponding limiting grooves in a sliding mode.

Preferably, a liquid discharge pipe is communicated with the groove wall of the preheating groove body at one end close to the groove bottom, and a valve is arranged on the liquid discharge pipe.

Preferably, the lower end of the horizontal end of the knocking rod is fixedly connected with a plurality of stirring rods uniformly and equidistantly along the horizontal linear direction.

Preferably, a sealing ring is arranged between the supporting rod and the supporting groove, and the sealing ring is connected to the groove wall of the supporting groove close to one end of the groove opening.

Compared with the prior art, the utility model provides an inspection shaft lid production mould with preheat function possesses following beneficial effect:

according to the mold with the preheating function for producing the inspection well cover, the preheating device is arranged, the heating rod heats liquid water in the preheating tank body, the lower mold is preheated by the heated liquid water, cracking of the mold due to overlarge temperature difference in the use process is prevented, and the service life is prolonged; in the process of pouring production of the inspection well cover, the knocking rod is in contact with the stress block at the lower end of the lower die, so that the lower die vibrates, the vibration force is generated on molten iron poured in the lower die, bubbles in the molten iron float out, the bubbles in the molten iron are reduced, and the production quality of the inspection well cover is improved.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses preheat the lower mould, prevent that the mould from causing the fracture because of the difference in temperature is too big in the use, improved life, the molten iron to pouring in the lower mould produces the vibrations power moreover for bubble comes out in the molten iron, reduces the bubble in the molten iron, thereby has improved the production quality of inspection shaft lid.

Drawings

Fig. 1 is a schematic structural view of a mold for producing an inspection well cover with a preheating function according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the device comprises a lower die 1, an upper die 2, a preheating groove 3, a sealing ring plate 4, liquid water 5, a heating rod 6, a driving motor 7, a sealing bearing 8, a rotating shaft 9, a supporting groove 10, a return spring 11, a supporting rod 12, a knocking rod 13, a stress block 14, a base 15, a limiting block 16, a limiting groove 17, a liquid discharge pipe 18, a stirring rod 19 and a supporting spring 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a mold with a preheating function for producing an inspection well cover comprises a lower mold 1 with a circular cross section and an upper mold 2 connected to the upper end of the lower mold 1 through a rotating shaft, wherein a preheating device is connected to the lower mold 1;

the preheating device comprises a preheating groove body 3 with a circular cross section, the notch of the preheating groove body 3 is connected with the side wall of a lower die 1 through a sealing ring plate 4, liquid water 5 is arranged in the preheating groove body 3, heating rods 6 are symmetrically arranged at the bottom of an inner groove of the preheating groove body 3, a driving motor 7 is fixedly connected at the center of the bottom of an outer groove of the preheating groove body 3, a sealing bearing 8 is embedded at the center of the bottom of the preheating groove body 3, the output end of the driving motor 7 is connected with a rotating shaft 9 through a coupler, the other end of the rotating shaft 9 penetrates through the sealing bearing 8 and extends upwards, a supporting groove 10 is formed in one end, far away from the driving motor 7, of the rotating shaft 9, a supporting rod 12 is connected at the bottom of the supporting groove 10 through a reset spring 11, the other end of the supporting rod 12 penetrates through the notch of the supporting groove 10 and is fixedly connected with a knocking rod 13 in an L shape, and the supporting rod 12 is connected with the supporting groove 10 through a limiting assembly, the outer tank wall and the outer tank bottom of the preheating tank body 3 are fixedly connected with a plurality of hemispherical stress blocks 14 in a matrix manner, the lower end of the preheating tank body 3 is connected with a supporting assembly, the heating rod 6 heats the liquid water 5 in the preheating tank body 3, the driving motor 7 is started at the same time, the driving motor 7 drives the stirring rod 13 to rotate through the rotating shaft 9, the liquid water 5 is mixed, the liquid water 5 is uniformly mixed, the overall water temperature is kept consistent, the lower die 1 is preheated through the heated liquid water 5, cracking of the die due to overlarge temperature difference in the using process is prevented, and the service life is prolonged; in the process of pouring production of the inspection well cover, the stirring rod 13 is in contact with the stress block 14 at the lower end of the lower die 1, the knocking rod 13 collides with the stress block 14 along with the contact of the knocking rod 13 and the stress block 14, the knocking rod 13 impacts the stress block 14, the support rod 12 and the knocking rod 13 are driven to continue moving by the rotating shaft 9, the support rod 12 compresses the return spring 11 downwards to meet the requirement that the knocking rod 13 continues moving, when the knocking rod 13 impacts the stress block 14, the lower die 1 vibrates, vibration force is generated on molten iron poured in the lower die 1, bubbles in the molten iron float out, and the bubbles in the molten iron are reduced, so that the production quality of the inspection well cover is improved.

The supporting component comprises a base 15, the base 15 is arranged below the preheating groove body 3, supporting springs 20 are fixedly connected to four corners of the lower end of the preheating groove body 3, the other ends of the supporting springs 20 are fixedly connected to the upper end of the base 15, and when the lower die 1 vibrates in the preheating groove body 3, the vibration requirement of the preheating groove body 1 is met through the supporting springs 20.

The limiting assembly comprises two limiting blocks 16, the two limiting blocks 16 are symmetrically connected to the rod wall of the supporting rod 12 close to one end of the reset spring 11, the position, corresponding to the limiting blocks 16, of the groove wall of the supporting groove 10 is provided with a limiting groove 17 matched with the position of the limiting blocks 16 in the vertical direction, the limiting blocks 16 are slidably connected to the corresponding limiting grooves 17, the limiting blocks 16 can only slide in the limiting grooves 17, the moving direction of the supporting rod 12 is limited, and the supporting rod 12 is driven to rotate synchronously when the rotating shaft 9 rotates.

The groove wall of the preheating groove body 3 close to one end of the groove bottom is communicated with a liquid discharge pipe 18, a valve is arranged on the liquid discharge pipe 18, and the liquid water 5 in the preheating groove body 3 is replaced through the liquid discharge pipe 18.

The lower end of the horizontal end of the knocking rod 13 is fixedly connected with a plurality of stirring rods 19 uniformly and equidistantly along the horizontal linear direction, and the knocking rod 13 drives the stirring rods 19 to synchronously rotate when rotating.

A sealing ring is arranged between the support rod 12 and the support groove 10, the sealing ring is connected on the groove wall of the support groove 10 close to one end of the groove opening, and water is prevented from entering the support groove 10 through the sealing ring.

In the utility model, the heating rod 6 heats the liquid water 5 in the preheating tank body 3, the driving motor 7 is started at the same time, the driving motor 7 drives the stirring rod 13 to rotate through the rotating shaft 9 to mix the liquid water 5, so that the liquid water 5 is uniformly mixed, the whole water temperature is kept consistent, the lower die 1 is preheated through the heated liquid water 5, the die is prevented from cracking due to overlarge temperature difference in the using process, and the service life is prolonged; in the process of pouring production of the inspection well cover, the stirring rod 13 is in contact with the stress block 14 at the lower end of the lower die 1, the knocking rod 13 collides with the stress block 14 along with the contact of the knocking rod 13 and the stress block 14, the knocking rod 13 impacts the stress block 14, the support rod 12 and the knocking rod 13 are driven to continue moving by the rotating shaft 9, the support rod 12 compresses the return spring 11 downwards to meet the requirement that the knocking rod 13 continues moving, when the knocking rod 13 impacts the stress block 14, the lower die 1 vibrates, vibration force is generated on molten iron poured in the lower die 1, bubbles in the molten iron float out, and the bubbles in the molten iron are reduced, so that the production quality of the inspection well cover is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A mould with a preheating function for producing an inspection well cover comprises a lower mould (1) with a circular cross section and an upper mould (2) connected to the upper end of the lower mould (1) through a rotating shaft, and is characterized in that a preheating device is connected to the lower mould (1);

the preheating device comprises a preheating groove body (3) with a circular cross section, the notch of the preheating groove body (3) is connected with the side wall of the lower die (1) through a sealing ring plate (4), liquid water (5) is arranged in the preheating groove body (3), heating rods (6) are symmetrically installed at the bottom of an inner groove of the preheating groove body (3), a driving motor (7) is fixedly connected with the center of the bottom of an outer groove of the preheating groove body (3), a sealing bearing (8) is embedded at the center of the bottom of the preheating groove body (3), the output end of the driving motor (7) is connected with a rotating shaft (9) through a coupler, the other end of the rotating shaft (9) penetrates through the sealing bearing (8) and extends upwards, a supporting groove (10) is formed in one end, far away from the driving motor (7), of the rotating shaft (9), and a supporting rod (12) is connected to the bottom of the supporting groove (10) through a reset spring (11), the other end of bracing piece (12) passes notch and fixedly connected with of supporting groove (10) and is pole (13) that strikes of "L" type, bracing piece (12) are connected with supporting groove (10) through spacing subassembly, all be a plurality of hemispherical atress piece (14) on preheating the outer cell wall of cell body (3) and the outer tank bottom, the lower extreme of preheating cell body (3) is connected with supporting component.

2. The mold with the preheating function for producing the inspection well cover is characterized by comprising a base (15), wherein the base (15) is arranged below the preheating groove body (3), supporting springs (20) are fixedly connected to four corners of the lower end of the preheating groove body (3), and the other ends of the supporting springs (20) are fixedly connected to the upper end of the base (15).

3. The mold with the preheating function for producing the inspection well cover is characterized by comprising two limiting blocks (16), wherein the two limiting blocks (16) are symmetrically connected to the rod wall of the supporting rod (12) close to one end of the reset spring (11), the positions, corresponding to the limiting blocks (16), on the wall of the supporting groove (10) are provided with matched limiting grooves (17) in the vertical direction, and the limiting blocks (16) are slidably connected into the corresponding limiting grooves (17).

4. The mold with the preheating function for producing the inspection well cover is characterized in that a liquid discharge pipe (18) is communicated with the groove wall of the preheating groove body (3) close to one end of the groove bottom, and a valve is arranged on the liquid discharge pipe (18).

5. The mold with the preheating function for producing the inspection well cover is characterized in that the lower end of the horizontal end of the knocking rod (13) is fixedly connected with a plurality of stirring rods (19) uniformly and equidistantly along the horizontal straight line direction.

6. The mold with the preheating function for the inspection well cover production is characterized in that a sealing ring is arranged between the support rod (12) and the support groove (10), and the sealing ring is connected to the groove wall of the support groove (10) at the position close to one end of the groove opening.