CN211013184U

CN211013184U - Cast tube weighing device

Info

Publication number: CN211013184U
Application number: CN201921836692.8U
Authority: CN
Inventors: 祝刚; 贾耀红
Original assignee: Xinxing Ductile Iron Pipes Co Ltd
Current assignee: Xinxing Ductile Iron Pipes Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-14
Anticipated expiration: 2029-10-29

Abstract

The utility model provides a cast pipe weighing device belongs to the pipeline technical field that weighs, and cast pipe weighing device includes: weighing machine constructs, first extensible member, second extensible member and support bracket. One end of the first telescopic piece is hinged to one end of the weighing mechanism. One end of the second telescopic piece is hinged to the other end of the weighing mechanism, and the second telescopic piece and the first telescopic piece are arranged at a certain distance. The bottom of the support bracket is respectively hinged with the other end of the first telescopic piece and the other end of the second telescopic piece. The top of the support bracket is used for stably receiving and conveying out the casting pipe under the telescopic adjustment action of the first telescopic piece and the second telescopic piece; the weighing mechanism is used for measuring the weight of the cast tube after the cast tube is received by the support bracket. The utility model provides a cast pipe weighing device can reduce the impact that weight metering equipment received, improves life.

Description

Cast tube weighing device

Technical Field

The utility model belongs to the technical field of the pipeline is weighed, more specifically says, relates to a cast tube weighing device.

Background

Due to the need to make accurate measurements of the weight of the cast tube product. The metering of the weight of the centrifuged ductile iron pipe is generally selected between the withdrawal of the pipe from the centrifuge and the entry into the annealing furnace. The existing weighing equipment is mostly arranged on a trolley for transporting the cast iron pipe, and because the weight of the cast iron pipe is large, the instant impact force of the falling impact of the cast iron pipe on the weighing equipment is overlarge, so that the service life of the weighing equipment is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cast pipe weighing device aims at solving and casts the pipe great to the measuring equipment impact force, causes the shorter problem of measuring equipment life-span.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a cast tube weighing apparatus comprising:

a weighing mechanism;

one end of the first telescopic piece is hinged to one end of the weighing mechanism;

one end of the second telescopic piece is hinged to the other end of the weighing mechanism, and the second telescopic piece is arranged at a certain distance from the first telescopic piece; and

the bottom of the supporting bracket is hinged with the other end of the first telescopic piece and the other end of the second telescopic piece respectively;

the top of the support bracket is used for stably receiving and conveying out the cast tube under the telescopic adjustment action of the first telescopic piece and the second telescopic piece; the weighing mechanism is used for measuring the weight of the cast tube after the support bracket receives the cast tube.

As another embodiment of the present application, the support bracket includes:

the top surface of the bending piece is an inwards concave arc surface and is used for receiving and transporting the cast pipe, and the bottom of the bending piece is hinged with the first telescopic piece and the second telescopic piece respectively; and

and the connecting rod is used for connecting and fixing a plurality of bent pieces.

As another embodiment of the present application, the first extensible member and the second extensible member correspond to the bending members one to one, respectively.

As another embodiment of the present application, both ends of the connecting rod are respectively and vertically fixed on the side surfaces of the bending member; the plurality of bending pieces are arranged in parallel and the projections of the bending pieces in the axial direction of the connecting rod are overlapped.

As another embodiment of the application, the support bracket is parallel to the rotating shaft at the hinged position of the first telescopic piece and the second telescopic piece, and is arranged along the width direction of the support bracket.

As another embodiment of the present application, the support bracket includes:

the bottom of the bending plate is hinged to the first extensible member and the second extensible member respectively, the top surface of the bending plate is used for receiving and transporting the cast pipe, and the bending portion of the bending plate is used for positioning the cast pipe.

As another embodiment of the application, a non-slip mat is fixed on the top surface of the support bracket, and a protruding part arranged along the width direction of the support bracket is arranged at the top of the non-slip mat and used for positioning the casting pipe.

As another embodiment of the present application, the cast tube weighing apparatus further includes:

and the controller is electrically connected with the first telescopic piece and the second telescopic piece and is used for controlling the first telescopic piece and the second telescopic piece.

As another embodiment of the present application, a sensor electrically connected to the controller is fixed to the support bracket, and the sensor is configured to control the first extensible member and the second extensible member through the controller when a cast pipe is detected.

As another embodiment of the present application, the weighing mechanism includes:

the weighing sensor is used for weighing the weight of the cast tube; and

and the connecting plate is fixed on the weighing sensor and is hinged with the first telescopic piece and the second telescopic piece respectively.

The utility model provides a cast pipe weighing device beneficial effect lies in, compares with prior art, the utility model discloses cast pipe removes to the top of bearing bracket from the process of the last way among the cast pipe weighing device, under the flexible regulating action of first extensible member and second extensible member, steadily receives cast pipe to make cast pipe roll to the bottom of bearing bracket along the arc groove, measure the weight of cast pipe through weighing machine after cast pipe is stable. And after the weight measurement is finished, the casting pipe is stably conveyed out from the top of the bearing bracket through the telescopic adjusting action of the first telescopic piece and the second telescopic piece. Because the processes of receiving and transporting the cast pipes are carried out stably, the impact on the metering equipment is small, and the service life of the metering equipment is prolonged.

Drawings

Fig. 1 is a schematic structural view of a cast pipe weighing device according to embodiment 1 of the present invention when receiving a cast pipe;

fig. 2 is a schematic structural view of a cast tube weighing device according to embodiment 1 of the present invention during weighing of cast tubes;

fig. 3 is a schematic structural view of the cast tube weighing apparatus according to embodiment 1 of the present invention when the cast tube is conveyed out;

fig. 4 is a right side view of fig. 2 according to the present invention;

fig. 5 is a schematic structural view of a cast tube weighing device according to embodiment 2 of the present invention during weighing of cast tubes;

fig. 6 is a schematic connection diagram of a bending member and a connecting rod according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a weighing mechanism provided in the embodiment of the present invention.

In the figure: 1. a weighing mechanism; 101. a connecting plate; 102. a weighing sensor; 103. a groove; 104. a hinged seat; 2. a first telescoping member; 3. a second telescoping member; 4. a non-slip mat; 401. a boss portion; 5. casting a pipe; 6. A connecting rod; 7. a bending member; 8. a rib plate; 9. a rotating shaft; 10. a bending piece.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3 together, a weighing apparatus for a cast tube according to the present invention will now be described. Cast pipe weighing device includes: weighing machine 1, first extensible member 2, second extensible member 3 and support bracket. One end of the first telescopic piece 2 is hinged at one end of the weighing mechanism 1. One end of the second telescopic piece 3 is hinged at the other end of the weighing mechanism 1 and is arranged at a certain distance from the first telescopic piece 2. The bottom of the support bracket is respectively hinged with the other end of the first telescopic piece 2 and the other end of the second telescopic piece 3. The top of the support bracket is used for stably receiving and conveying out the casting pipe 5 under the telescopic adjustment action of the first telescopic piece 2 and the second telescopic piece 3; the weighing mechanism 1 is used to measure the weight of the cast tube 5 after the support bracket receives the cast tube 5.

The utility model provides a cast pipe weighing device beneficial effect lies in, compares with prior art, the utility model discloses cast pipe 5 removes to the top of bearing bracket from the process of saying last in the cast pipe weighing device, under the flexible regulatory action of first extensible member 2 and second extensible member 3, steadily receives cast pipe 5 to make cast pipe 5 roll to the bottom of bearing bracket along the arc groove, measure out the weight of cast pipe 5 through weighing mechanism 1 after cast pipe 5 is stable. After the weight measurement is finished, the casting pipe 5 is conveyed out of the top of the supporting bracket smoothly through the telescopic adjustment action of the first telescopic part 2 and the second telescopic part 3. Because the processes of receiving and conveying the cast pipes 5 are carried out stably, the impact on the weighing mechanism 1 is small, and the service life of the weighing mechanism 1 is prolonged.

As a specific embodiment of the cast tube weighing apparatus provided in the present invention, please refer to fig. 1 to 3 together, the support bracket includes: a plurality of flexures 7 and connecting rods 6; the top surface of the bending piece 7 is a concave arc surface and is used for receiving and transporting the casting pipe 5, and the bottom of the bending piece is respectively hinged with the first telescopic piece 2 and the second telescopic piece 3. The connecting rod 6 is used for connecting and fixing a plurality of bending pieces 7. The support bracket may be built with bends 7 and tie rods 6 to reduce the overall weight of the cast tube weighing apparatus. The cast tube 5 manufactured from the centrifuge is required to be transported into an annealing furnace by a tube transporting trolley for annealing. In the prior art, two guide rails are laid between the centrifuge and the annealing furnace, wherein one guide rail is used for moving the pipe conveying trolley, and the other guide rail is usually inclined at a certain angle and arranged downwards and is used for rolling the cast pipes 5 conveyed by the pipe conveying trolley down into the annealing furnace. The guide rail communicated with the annealing furnace can be cut off, and the cast tube weighing device can be arranged between the two cut-off guide rails. First, by adjusting the first extensible member 2 and the second extensible member 3, one end of the bending member 7 is arranged in parallel with the upper guide surface. The rolling casting pipe 5 firstly contacts the end part of the bending part 7, the casting pipe 5 continues to roll under the action of inertia, taking the attached drawing 1 as an example, the first telescopic part 2 contracts, the second telescopic part 3 can keep relatively static, and the height of the first telescopic part 2 is higher than that of the second telescopic part 3, so that the rolling speed of the casting pipe 5 can be reduced, the casting pipe 5 can stably roll to the bottom of the bending part 7, and the weighing of the casting pipe 5 can be realized through the weighing mechanism 1 after the casting pipe 5 is static. The weighing means 1 can be pre-zeroed. When weighing is completed, the first telescopic member 2 remains relatively stationary and the second telescopic member 3 is stretched, so that the casting tube 5 is carried out from the other end of the bend. Thereby completing the weighing of the primary cast tube 5.

As a specific embodiment of the cast tube weighing apparatus provided in the present invention, please refer to fig. 1 to 3 together, and the first extensible member 2 and the second extensible member 3 correspond to the bending member 7 one-to-one respectively. The number of the bending pieces 7 may be 2 or 3. And is connected and fixed by a connecting rod 6 in order to improve the connection strength of the bending piece 7 and the structural stability. The first extensible member 2 and the second extensible member 3 are respectively provided in one-to-one correspondence with the bending members 7. I.e. the bottom of each bending element 7 is hinged with a first telescopic element 2 and a second telescopic element 3. Usually, if the length of the casting tube 5 is short, two bending pieces 7 may be provided. The first extensible member 2 located at different positions and on a straight line is disposed along the width direction of the bending member 7, and the second extensible member 3 located at different positions and on a straight line is disposed along the width direction of the bending member 7, thereby facilitating cooperative control.

As a specific embodiment of the cast tube weighing apparatus provided in the present invention, please refer to fig. 6, two ends of the connecting rod 6 are respectively and vertically fixed on the side surfaces of the bending member 7; the plurality of bent pieces 7 are arranged in parallel with each other and their projections in the axial direction of the connecting rod 6 coincide. In order to be able to better support the pipe 5 by the bending elements 7, the two ends of the connecting rod 6 are each fastened to opposite sides of two adjacent bending elements 7. And by arranging the bending pieces 7 in parallel with each other, the bending pieces 7 can be facilitated to better support the casting tube 5. The connecting rods 6 and the benders 7 can be fixed by welding, and in order to ensure that the rolling speed of the cast tube 5 along each of the benders 7 is consistent, a plurality of the benders 7 are parallel and are arranged side by side, and the projections of the axes of the connecting rods 6 are overlapped, so that the cast tube 5 can be in contact with each of the benders 7 in a communicating mode, and the motion stability of the cast tube 5 is ensured.

The utility model discloses in, all be fixed with floor 8 in the bottom of bending 7 and the piece 10 of bending, the upper surface of bending 7 and the piece 10 of bending is used for receiving and transports out cast tube 5, and floor 8 is articulated with first extensible member 2 and second extensible member 3 respectively, and floor 8 is used for improving bending 7 and the joint strength between the piece 10 of bending.

The utility model discloses in, the quantity of connecting plate 101 is a plurality of, and sets up on the length direction of following bent part 7 or the piece 10 of bending, and connecting rod 6's effect lies in improving bent part 7 and the joint strength between the piece 10 of bending. The utility model discloses in, seted up a plurality of recesses 103 on the connecting plate 101, recess 103 is used for on guaranteeing that connecting plate 101 has sufficient intensity's basis, reduces the weight of connecting plate 101.

As a specific embodiment of the cast tube weighing apparatus provided in the present invention, please refer to fig. 4, the supporting bracket is parallel to the rotating shaft 9 at the hinged position of the first extensible member 2 and the second extensible member 3 and is disposed along the width direction of the supporting bracket. First extensible member 2 and second extensible member 3 all can be the cylinder, because the extensible member of cylinder is all unsuitable for the rotation. Therefore, the bottom of the support bracket is respectively arranged in the same direction of the rotating shafts 9 at the hinged positions of the first telescopic part 2 and the second telescopic part 3, and the axes of the rotating shafts 9 face to the width direction of the support bracket. I.e. in the direction of the axis of the connecting rod 6. Through the direction that sets up pivot 9, guaranteed that the extensible member in the cylinder does not take place to rotate when the function in coordination to life has been guaranteed.

As a specific embodiment of the cast tube weighing device provided in the present invention, please refer to fig. 5, the support bracket includes: and (7) bending the plate. The bottom of the bending plate is hinged to the first extensible member 2 and the second extensible member 3 respectively, the top surface of the bending plate is used for receiving and transporting out the cast pipe 5, and the bending portion of the bending plate is used for positioning the cast pipe 5. In order to better position the casting pipe 5 at the bottom of the supporting bracket, the casting pipe does not shake, and the weighing efficiency is improved. The support bracket can be a bending plate, and the bottom of the bending plate is provided with a bending part, so that the first telescopic piece 2 and the second telescopic piece 3 can be used for telescopic adjustment. When the casting pipe 5 rolls to the right side, the casting pipe 5 has downward rolling inertia, and meanwhile, by contracting the first telescopic piece 2, the casting pipe 5 rolls to the bottom along the top surface of the bearing bracket and is finally positioned at the bending part of the bearing. When weighing is complete, the first telescopic member 2 continues to contract and the second telescopic member 3 extends, thereby carrying the cast tube 5 out of the left side of the support bracket. For some occasions with higher requirements on production efficiency, the support bracket structure can be used. And by controlling the expansion rate of the first expansion piece 2 and the expansion regulation function of the second expansion piece 3, the impact force of the cast pipe 5 on the bending part of the support bracket can be reduced, and meanwhile, the flexible piece can be fixed at the bending part of the support bracket, so that the impact force of the cast pipe 5 on the support bracket is reduced.

As a specific embodiment of the cast tube weighing device provided in the present invention, please refer to fig. 1 to 3 together, the top surface of the support bracket is fixed with the non-slip mat 4, the top of the non-slip mat 4 is provided with the protruding portion 401 arranged along the width direction of the support bracket, the protruding portion 401 is used for positioning the cast tube 5, the non-slip mat is made of high temperature resistant material and is made of heat insulating material, and the material thereof can be aluminum silicate fiber or calcium silicate. Due to the telescopic adjustment of the first telescopic element 2 and the second telescopic element 3 and to the inertia of the casting tube 5 during rolling. The anti-slip mat 4 is fixed on the top surface of the support bracket, the anti-slip mat 4 has certain telescopic performance, rolling friction between the cast pipe 5 and the support bracket can be avoided, and the cast pipe 5 can be stabilized on the bottom of the support bracket in a short time. In order to further improve the time for stabilizing the casting pipe 5 at the bottom of the support bracket, a plurality of protrusions 401 are arranged on the non-slip mat 4, the protrusions 401 are arranged along the width direction of the support bracket, the structure can be a double-row structure, meanwhile, the protrusions 401 of each row are symmetrically arranged at two sides of the bottom of the support bracket, and under the downward inertia effect of the first telescopic piece 2, the second telescopic piece 3 and the casting pipe 5, the casting pipe 5 crosses the protrusions 401 at the right side and is positioned between the two rows of protrusions 401. When weighing is completed, the cast tube 5 is carried over the other-side boss 401 and out of the support bracket, thereby completing one weighing.

As a specific embodiment of the cast tube weighing device provided by the utility model, the cast tube weighing device still includes: and a controller. The controller is electrically connected with the first telescopic member 2 and the second telescopic member 3 and is used for controlling the first telescopic member 2 and the second telescopic member 3. Because the first telescopic part 2 and the second telescopic part 3 are different in running state at different time, the angle of the support bracket relative to the weighing mechanism 1 can be accurately adjusted through the controller, and therefore the casting pipe 5 can be stably received and transported out. The controller may be a Johnson FX15 controller. And in combination with the actual structure, when the casting tube 5 is rolled down from the right side and the first telescopic element 2 is located on the left side. The tube 5 can be rolled to the bottom of the support bracket by retracting the first telescopic member 2, but the time for the tube 5 to settle is shortened in order to prevent the tube 5 from rolling out of the support left side. Through the control of experiment and controller, can be when first extensible member 2 contracts, the second shrink pole contracts with certain speed equally to shorten the stable time of cast tube 5, improved this weighing device's suitability.

As a specific embodiment of the utility model provides a cast tube weighing device is fixed with the inductor of being connected with the controller electricity on the support bracket, and the inductor is used for controlling the motion of first extensible member 2 and second extensible member 3 through the controller when detecting cast tube 5. An inductor, which may be a position sensor, is fixed to the end of the support bracket that first contacts the cast pipe 5, and changes state when the inductor senses the cast pipe 5. And sending an electric signal to a controller, and controlling the first telescopic part 2 and the second telescopic part 3 to move by the controller through the received electric signal. A section of designation can be preset on the controller, and the controller runs the designation once when the sensor senses the cast tube 5, so that the receiving, weighing and carrying-out actions of the cast tube 5 are completed, and automatic weighing is realized.

As a specific embodiment of the cast tube weighing apparatus provided in the present invention, please refer to fig. 7, the weighing mechanism 1 includes: a load cell 102 and a connecting plate 101; the load cell 102 is used to weigh the casting tube 5. The connecting plate 101 is fixed on the load cell 102 and is hinged to the first and second

telescopic members

2, 3, respectively. The number of the weighing sensors 102 may be plural, the connecting plate 101 may be supported by the weighing sensors 102, the connecting plate 101 may be a square structure, and a plurality of hinge seats 104 for being hinged with the first extensible member 2 and the second extensible member 3 are provided at the top of the connecting plate 101. The weights of the first telescoping member 2, the second telescoping member 3 and the support bracket may be measured in advance and measured again after the support bracket receives the cast tube 5 to obtain the weight of the cast tube 5. The load cells 102 may be disposed at the four corners of the connection plate 101, thereby improving the accuracy of measurement. The connecting plate 101 is provided with a plurality of hinge seats 104 corresponding to the first extensible member 2 and the second extensible member 3, respectively, and the upper member is supported by the hinge seats 104 on the connecting plate 101.

The utility model discloses in, to take the flexible regulation of simplest controller control as the example, when the steel pipe rolls down from the right side, at first rise to be located left first extensible member 2 at first tensile to make and hold the perk in bracket left side, accept steel pipe 5. after the inductor detected steel pipe 5, the controller ordered about first extensible member 2 shrink, and made the highly uniform of first extensible member 2 and second extensible member 3, made steel pipe 5 stabilize in the bottom of holding the bracket. After weighing is finished, the second telescopic piece 3 is stretched, the right side of the support bracket is tilted, and the steel pipe 5 is conveyed out from the support bracket. The control method belongs to the prior operation in the prior art and has no difficulty.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Cast a tub weighing device, its characterized in that includes:

a weighing mechanism;

2. The cast tube weighing apparatus of claim 1, wherein the support bracket comprises:

3. A cast tube weighing apparatus according to claim 2 wherein the first and second telescopic members are in one-to-one correspondence with the curved members, respectively.

4. A cast tube weighing apparatus according to claim 2, wherein both ends of said connecting rod are respectively fixed vertically on the side surfaces of said bending member; the plurality of bending pieces are arranged in parallel and the projections of the bending pieces in the axial direction of the connecting rod are overlapped.

5. A cast tube weighing apparatus according to claim 2 wherein the axes of rotation of the support bracket at the hinge of the first and second telescopic members are parallel to each other and are disposed along the width of the support bracket.

6. The cast tube weighing apparatus of claim 1, wherein the support bracket comprises:

7. A cast tube weighing apparatus according to claim 1 wherein a non-slip mat is secured to the top surface of the support bracket, the non-slip mat having a raised portion at its top which is disposed across the width of the support bracket, the raised portion being for locating the cast tube.

8. The cast tube weighing apparatus of claim 1, further comprising:

9. A cast tube weighing apparatus as claimed in claim 8 wherein a sensor is secured to the support bracket in electrical communication with the controller, the sensor being adapted to control the first and second telescopic members by the controller when a cast tube is detected.

10. The cast tube weighing apparatus of claim 1, wherein the weighing mechanism comprises:

the weighing sensor is used for weighing the weight of the cast tube; and