CN210308675U

CN210308675U - Device for producing cable bending limiter by pouring polyurethane elastomer

Info

Publication number: CN210308675U
Application number: CN201920796656.7U
Authority: CN
Inventors: 陈平; 程晓丹; 陈明富
Original assignee: Nanjing Xinyihao Information Technology Co ltd
Current assignee: Nanjing Xinyihao Information Technology Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses an use device of crooked limiter of polyurethane elastomer pouring production cable, including polyurethane elastomer casting machine main part and motor, there is the work jar through screw fixed mounting in the polyurethane elastomer casting machine main part, and is provided with the feed inlet on the work jar, the motor passes through the upside of bolt fixed mounting at the work jar, the lower extreme of motor has the (mixing) shaft through the coupling joint, and fixed welding has first stirring leaf on the (mixing) shaft. The utility model discloses a be provided with row's casting die, when atmospheric pressure in the working tank was too big, the extrusion air cushion drove the sealing rod and removes along the seal cover, and atmospheric pressure then discharges through-hole through the sealing rod side for pressure in the working tank tends to normally, and at this moment, utilizes the answer characteristic of spring, with the air cushion pull-back normal position, it is sealed with the working tank once more, thereby avoids the working tank to explode the condition of jar because of the too big fact of pressure, has improved the safety in utilization of this device greatly.

Description

Device for producing cable bending limiter by pouring polyurethane elastomer

Technical Field

The utility model relates to a polyurethane elastomer pouring device technical field specifically is an use device of polyurethane elastomer pouring production cable crooked limiter.

Background

Cable bending limiter generally pours cooling shaping through polyurethane elastomer casting machine, this type of device on the market is many at present, basically satisfy the use, but in the use, the working tank on the present polyurethane elastomer casting machine is adding man-hour to polyurethane elastic raw materials, there is the inhomogeneous condition of stirring, thereby it is inhomogeneous to lead to heat conduction when heating, there is certain influence to polyurethane elastic raw materials processing, in addition, the working tank of present polyurethane elastomer casting machine can produce great atmospheric pressure when processing the operation, if not discharge in time, appear exploding the danger of jar even, therefore, to above problem, propose a stirring and heat conduction evenly, and have the device of the crooked limiter of higher blast proof ability of cable of polyurethane elastomer casting production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use device of crooked limiter of polyurethane elastomer pouring production cable to solve the present device of using the crooked limiter of polyurethane elastomer pouring production cable that above-mentioned background art provided and adding man-hour to polyurethane elasticity, there are stirring and heat conduction inequality, can appear exploding the problem of jar simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a device for producing a cable bending limiter by pouring a polyurethane elastomer comprises a polyurethane elastomer pouring machine main body and a motor, wherein a working tank is fixedly arranged on the polyurethane elastomer pouring machine main body through screws, and the working tank is provided with a feed inlet, the motor is fixedly arranged at the upper side of the working tank through a bolt, the lower end of the motor is connected with a stirring shaft through a coupling, and a first stirring blade is fixedly welded on the stirring shaft, the lower end of the stirring shaft passes through the protection bin and is connected with a first conical gear, the protective bin is fixedly welded at the lower side in the working tank, a second bevel gear is meshed at the lower side of the first bevel gear, a rotating shaft is fixedly sleeved on the second bevel gear, and the fixed cover in the axis of rotation is equipped with second stirring leaf, the downside of working tank is provided with the discharge gate, the upside right-hand member of working tank is provided with row's casting die.

Preferably, the lower extreme in protection storehouse all has seted up the through-hole all around, the protection storehouse passes through the through-hole and constitutes the connectivity structure with the inside of work jar.

Preferably, the second stirring leaf is provided with two sets ofly altogether, and the second stirring leaf is fixed the cup joint respectively in two sets of axis of rotation, and is two sets of the one end of axis of rotation is installed on the inner wall of working tank through the bearing respectively, and is two sets of the other end of axis of rotation passes respectively and protects the storehouse and be connected with second bevel gear, and is two sets of second bevel gear all meshes the downside at first bevel gear.

Preferably, arrange and press the piece including seal cover, sealing rod, sealed cap, air cushion and spring, the inside of seal cover is provided with sealing rod, and the upper end fixedly connected with sealed cap of sealing rod, the downside fixedly connected with air cushion of sealing rod, the upper end fixed connection of spring is at the downside of seal cover, the lower extreme fixed connection of spring is at the upside of air cushion.

Preferably, the middle part of the sealing sleeve is provided with a through hole, the diameter size of the through hole is the same as that of the sealing rod, and through holes are uniformly formed in the side face of the sealing rod.

Preferably, a through hole is formed in the air cushion, the air cushion is in a communicating structure with the through hole in the sealing rod through a through hole, and the air cushion is in a telescopic structure through the sealing rod and the spring.

Compared with the prior art, the beneficial effects of the utility model are that: according to the device for producing the cable bending limiter by pouring the polyurethane elastomer, two groups of stirring blades are arranged, one group of stirring blades is used for transverse stirring, one group of stirring shafts is used for vertical rotation, the two groups of stirring shafts are arranged into a linkage structure through conical gears, and the polyurethane elastomer raw materials in the working tank can be fully stirred through the driving of the motor, so that the heat conduction area among the polyurethane elastomer raw materials is increased, and further the heat conduction is more uniform;

through being provided with the casting die of arranging, when atmospheric pressure in the working tank is too big, atmospheric pressure enters into in the through-hole of air cushion, and extrude the air cushion and drive the sealing rod and remove along the seal cover, after the sealing cap that drives its upper end leaves a section distance of seal cover when the sealing rod, atmospheric pressure then discharges through the through-hole of sealing rod side, make the pressure in the working tank tend to normally, at this moment, utilize the reversion characteristic of spring, pull back the air cushion normal position, seal the working tank once more, thereby avoid the working tank because of the too big condition that causes the explosion jar of pressure, the safety in utilization of this device has been improved greatly.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention in a partial front view;

fig. 3 is a schematic front sectional view of the structure of the pressure relief member of the present invention.

In the figure: 1. a polyurethane elastomer casting machine main body; 2. a working tank; 3. a feed inlet; 4. a motor; 5. a stirring shaft; 6. a first stirring blade; 7. a protection bin; 8. a first bevel gear; 9. a second bevel gear; 10. a rotating shaft; 11. a second stirring blade; 12. a discharge port; 13. arranging and pressing pieces; 131. sealing sleeves; 132. a sealing rod; 133. a sealing cap; 134. an air cushion; 135. a spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a device for producing a cable bending limiter by pouring a polyurethane elastomer comprises a polyurethane elastomer pouring machine main body 1 and a motor 4, wherein a working tank 2 is fixedly installed on the polyurethane elastomer pouring machine main body 1 through screws, a feed inlet 3 is formed in the working tank 2, the motor 4 is fixedly installed on the upper side of the working tank 2 through bolts, the model of the motor 4 is Y90S-2, the lower end of the motor 4 is connected with a stirring shaft 5 through a coupler, a first stirring blade 6 is fixedly welded on the stirring shaft 5, the lower end of the stirring shaft 5 penetrates through a protection bin 7 to be connected with a first bevel gear 8, the protection bin 7 is fixedly welded on the lower side inside the working tank 2, through holes are formed in the periphery of the lower end of the protection bin 7, the protection bin 7 forms a communicating structure with the inside of the working tank 2 through the through holes, so that the circulation of a polyurethane elastomer raw material in, the lower side of the first conical gear 8 is engaged with a second conical gear 9, the second conical gear 9 is fixedly sleeved with a rotating shaft 10, the rotating shaft 10 is fixedly sleeved with second stirring blades 11, the second stirring blades 11 are provided with two groups, the second stirring blades 11 are respectively fixedly sleeved on the two groups of rotating shafts 10, one ends of the two groups of rotating shafts 10 are respectively installed on the inner wall of the working tank 2 through bearings, the other ends of the two groups of rotating shafts 10 respectively penetrate through the protective bin 7 to be connected with the second conical gear 9, the two groups of second conical gears 9 are both engaged with the lower side of the first conical gear 8, the motor 4 drives the stirring shaft 5 to rotate, the stirring shaft 5 drives the first stirring blade 6 connected with the stirring shaft to rotate, the polyurethane elastomer raw material is transversely stirred, and meanwhile, the first conical gear 8 at the lower end of the stirring shaft 5 is matched with the second stirring blade 11 driven by the, carry out horizontal stirring to the polyurethane elastomer raw materials in the work jar 2 for the polyurethane elastomer raw materials stirring in the work jar 2 is more abundant, thereby increases the heat conduction area between the polyurethane elastomer raw materials, and then makes the heat conduction more even.

The lower side of the working tank 2 is provided with a discharge hole 12, the right end of the upper side of the working tank 2 is provided with a pressure discharge piece 13, the pressure discharge piece 13 comprises a sealing sleeve 131, a sealing rod 132, a sealing cap 133, an air cushion 134 and a spring 135, the sealing rod 132 is arranged inside the sealing sleeve 131, the upper end of the sealing rod 132 is fixedly connected with the sealing cap 133, the lower side of the sealing rod 132 is fixedly connected with the air cushion 134, the upper end of the spring 135 is fixedly connected with the lower side of the sealing sleeve 131, the lower end of the spring 135 is fixedly connected with the upper side of the air cushion 134, the middle part of the sealing sleeve 131 is provided with a through hole, the diameter size of the through hole is the same as that of the sealing rod 132, the side surface of the sealing rod 132 is uniformly provided with through holes, the through hole is formed in the air cushion 134, the air cushion 134 is arranged, when the pressure in the working tank 1 is too high, at the moment, the air pressure enters the through hole of the air cushion 134, the air cushion 134 is extruded to drive the sealing rod 132 to move upwards along the sealing sleeve 131, and after the sealing rod 132 drives the sealing cap 133 at the upper end of the sealing rod 132 to leave the sealing sleeve 131 for a certain distance, the air pressure is discharged through the through hole on the side surface of the sealing rod 132, so that the pressure in the working tank 2 tends to be normal, at the moment, the air cushion 134 is pulled back to the original position by utilizing the restoring characteristic of the spring 135, the working tank 2 is sealed again, the condition that the working tank explodes due to the too high pressure is avoided, and the use safety of the device is.

The working principle is as follows: when the device works, polyurethane elastomer raw materials are put into the working tank 2 through the feeding hole 3, at the moment, the motor 4 drives the stirring shaft 5 to rotate, the stirring shaft 5 drives the first stirring blade 6 connected with the stirring shaft 5 to rotate, and the polyurethane elastomer raw materials are transversely stirred;

meanwhile, the first bevel gear 8 at the lower end of the stirring shaft 5 drives the second bevel gear 9 meshed with the first bevel gear to rotate, the second bevel gear 9 drives the rotating shaft 10 connected with the second bevel gear to rotate, so that the second stirring blade 11 on the rotating shaft 10 is driven to rotate, and the polyurethane elastomer raw material is vertically rotated;

after stirring, the polyurethane elastomer raw material flows into the discharge hole 12 through the through hole on the side surface of the protection bin 7, and finally flows into the polyurethane elastomer casting machine main body 1 to perform casting production of the cable bending limiter;

in the working process of the polyurethane elastomer casting machine main body 1, if the pressure in the working tank 1 is too high, at the moment, the air pressure enters the through hole of the air cushion 134 and extrudes the air cushion 134 to drive the sealing rod 132 to move upwards along the sealing sleeve 131, and after the sealing rod 132 drives the sealing cap 133 at the upper end of the sealing rod to leave the sealing sleeve 131 for a certain distance, the air pressure is discharged through the through hole in the side surface of the sealing rod 132, so that the pressure in the working tank 2 tends to be normal, and at the moment, the air cushion 134 is pulled back to the original position by utilizing the restoring characteristic of the spring 135 to seal the working tank 2 again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An apparatus for casting a cable bend limiter using a polyurethane elastomer, comprising a polyurethane elastomer casting machine body (1) and a motor (4), characterized in that: the polyurethane elastomer casting machine is characterized in that a working tank (2) is fixedly arranged on a polyurethane elastomer casting machine main body (1) through screws, a feed inlet (3) is formed in the working tank (2), a motor (4) is fixedly arranged on the upper side of the working tank (2) through bolts, the lower end of the motor (4) is connected with a stirring shaft (5) through a coupling joint, a first stirring blade (6) is fixedly welded on the stirring shaft (5), the lower end of the stirring shaft (5) penetrates through a protection bin (7) to be connected with a first bevel gear (8), the protection bin (7) is fixedly welded on the lower side of the inner part of the working tank (2), the lower side of the first bevel gear (8) is meshed with a second bevel gear (9), a rotating shaft (10) is fixedly sleeved on the second bevel gear (9), a second stirring blade (11) is fixedly sleeved on the rotating shaft (10), and a discharge outlet (12) is formed in, and a pressing part (13) is arranged at the right end of the upper side of the working tank (2).

2. The apparatus for casting a cable bend limiter using polyurethane elastomer of claim 1, wherein: the lower extreme in protection storehouse (7) all has seted up the through-hole all around, protection storehouse (7) constitute the intercommunication structure through the inside of through-hole and work jar (2).

3. The apparatus for casting a cable bend limiter using polyurethane elastomer of claim 1, wherein: the second stirring leaves (11) are provided with two sets of altogether, and second stirring leaves (11) are fixed cup joint respectively on two sets of axis of rotation (10), and are two sets of the one end of axis of rotation (10) is passed through the bearing respectively and is installed on the inner wall of working tank (2), and is two sets of the other end of axis of rotation (10) passes respectively protection storehouse (7) and is connected with second bevel gear (9), and is two sets of second bevel gear (9) all mesh is at the downside of first bevel gear (8).

4. The apparatus for casting a cable bend limiter using polyurethane elastomer of claim 1, wherein: arrange casting die (13) including seal cover (131), sealing rod (132), sealing cap (133), air cushion (134) and spring (135), the inside of seal cover (131) is provided with sealing rod (132), and the upper end fixedly connected with sealing cap (133) of sealing rod (132), downside fixedly connected with air cushion (134) of sealing rod (132), the upper end fixed connection of spring (135) is in the downside of seal cover (131), the lower extreme fixed connection of spring (135) is in the upside of air cushion (134).

5. The apparatus for casting a cable bend limiter using polyurethane elastomer as claimed in claim 4, wherein: the middle part of the sealing sleeve (131) is provided with a through hole, the diameter size of the through hole is the same as that of the sealing rod (132), and through holes are uniformly formed in the side face of the sealing rod (132).

6. The apparatus for casting a cable bend limiter using polyurethane elastomer as claimed in claim 4, wherein: a through hole is formed in the air cushion (134), the air cushion (134) is communicated with the through hole in the sealing rod (132) through a through hole, and the air cushion (134) is arranged to be in a telescopic structure through the sealing rod (132) and the spring (135).