Pierced billet baffle buffer of large-specification perforating machine

Abstract

The utility model provides a large-size puncher pierced billet baffle buffer, the buffer is arranged below a baffle, the baffle is provided with a curved bar, the buffer comprises a base, a guide cylinder, a buffer piece and a guide rod, one end of the guide cylinder is connected with the base, one end of the guide rod is located in the guide cylinder, and the other end of the guide cylinder is connected with the curved bar. The other end of the guide rod extends out of the guide cylinder from the other end of the guide cylinder, and the other end of the guide rod is connected with the curved bar; the buffer piece is arranged between the base and the guide rod, the guide rod can move in the axis direction of the guide cylinder, and the buffer piece can be compressed in the moving process of the guide rod. The buffer adopts the disc spring to provide stress buffering for the baffle, and is high in buffering capacity, simple in structure, low in failure rate, almost free of maintenance, low in manufacturing cost and long in service cycle after replacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe equipment technical field, especially a kind of large-specification piercer rough pipe baffle buffer. BACKGROUND

[0002] After the piercing machine is pierced, the rough pipe is covered on the ejector rod, in order to make the ejector rod carry out second operation and rough pipe enter next process, need make ejector rod separate from rough pipe in the process of back-off.Therefore, in the process of back-off of ejector rod and rough pipe, baffle stops rough pipe, ejector rod continues to back off, ejector rod is extracted from rough pipe, and ejector rod and rough pipe are separated.

[0003] After the large-specification piercing machine is pierced, rough pipe length is 4.5-8.6 meters, outer diameter is 216-576mm, wall thickness is 20-135mm, and the maximum weight of rough pipe is about 7.4t, the diameter of ejector rod is φ447mm, wall thickness is 38mm, length is 19.5m, and weight is about 7.4t.Large-specification piercing machine usually uses buffer to separate ejector rod and rough pipe, and currently most buffers use hydraulic pressure, gas pressure or rubber as shock-absorbing buffer, when buffer is in harsh environment, especially high temperature, iron slag and water invasion environment, buffer often fails, maintenance is inconvenient, replacement cycle is long, cause great waste of manpower and material resources, and affect the production rhythm and efficiency of entire hot rolling line, and reliability is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of large-specification piercer rough pipe baffle buffer, which provides force buffering for baffle by disc spring piece, with strong buffering capacity, low cost and low failure rate.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of large-specification piercer rough pipe baffle buffer, the buffer is arranged below the baffle, the baffle has crank, and the buffer includes base, guide cylinder, buffer piece and guide rod, wherein one end of the guide cylinder is connected with the base, one end of the guide rod is located in the guide cylinder, the other end of the guide rod is stretched out to the outside of the guide cylinder from the other end of the guide cylinder, and the other end of the guide rod is connected with the crank;The buffer piece is arranged between the base and the guide rod, the guide rod can move along the axial direction of the guide cylinder, and the guide rod can compress the buffer piece in the process of moving;In the process of separating ejector rod and rough pipe, the baffle is used to stop the rough pipe, the force of the rough pipe is transmitted to the guide rod through the crank, and the guide rod can provide force buffering for the baffle by compressing the buffer piece.

[0007] Further, in the above-mentioned large-specification piercer rough pipe baffle buffer, the base is arranged on the rack of the piercing machine.

[0008] Further, in the large-scale perforating machine rough pipe baffle buffer, the other end of the guide cylinder is provided with a gland, and the gland is provided with a hole for the guide rod to pass through.

[0009] Further, in the large-scale perforating machine rough pipe baffle buffer, the guide rod comprises a guide head, a body and a buffer head, the guide head, the body and the buffer head are sequentially connected, and the guide head, the body and the buffer head are integrated; one end of the buffer piece is in contact with the base, and the other end of the buffer piece is sleeved on the guide head; the buffer head is connected with the lower end of the crank rod after passing through the gland.

[0010] Further, in the large-scale perforating machine rough pipe baffle buffer, the body comprises a left segment, a middle segment and a right segment, the left segment and the right segment are connected with two ends of the middle segment respectively, the diameters of the left segment and the right segment are consistent, the diameter of the left segment is smaller than that of the middle segment, the diameter of the middle segment is 11mm smaller than the inner diameter of the guide cylinder, and guide rod sleeves are sleeved on the left segment and the right segment.

[0011] Further, in the large-scale perforating machine rough pipe baffle buffer, the buffer piece comprises a plurality of disc spring pieces, the outer diameter of the disc spring piece is 1mm smaller than the inner diameter of the guide cylinder, and the inner diameter of the disc spring piece is 7mm larger than the diameter of the guide head; the plurality of disc spring pieces are contacted and arranged in the guide cylinder.

[0012] Further, in the large-scale perforating machine rough pipe baffle buffer, the maximum impact force that the disc spring piece can withstand is 390KN.

[0013] It can be seen that the large-scale perforating machine rough pipe baffle buffer has the advantages that the disc spring piece is used as the baffle to provide force buffering, the buffering capacity is strong, the structure is simple, the failure rate is low, almost no maintenance is needed, the manufacturing cost is low, the service period is long after replacement, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the present application, and together with the description of the exemplary embodiments of the present application, serve to explain the present application, and do not constitute an improper limitation on the present application. Among them:

[0015] Figure 1 It is a structural schematic view of an embodiment of the present application.

[0016] Figure 2 It is a structural schematic view of a guide rod of an embodiment of the present application.

[0017] Figure 3The structure diagram of the disc spring piece of an embodiment of the utility model.

[0018] Figure 4 The structure diagram of the guide cylinder of an embodiment of the utility model.

[0019] Mark 1 base; 2 guide cylinder; 3 buffer; 4 guide rod; 5 gland; 6 guide head, 7 body; 8 buffer head; 9 left section; 10 middle section; 11 right section; 12 disc spring piece; 13 guide rod sleeve. DETAILED DESCRIPTION

[0020] The utility model will be described below in detail with reference to the drawings and in combination with the embodiments. Each example is provided by the explanation of the utility model but not limits the utility model. Actually, the person skilled in the art will be clear that modification and variation can be carried out in the utility model without departing from the scope or spirit of the utility model. For example, the features shown as or described as a part of one embodiment can be used in another embodiment to produce another embodiment. Therefore, it is expected that the utility model comprises such modification and variation that falls within the scope of the appended claims and their equivalents.

[0021] In the description of the utility model, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and does not require the utility model to be necessarily constructed and operated in a particular orientation, therefore, cannot be understood as the limitation of the utility model. The terms "connected", "connected", "provided" used in the utility model should be understood broadly, for example, can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through an intermediate part; can be wired electrical connection, wireless electrical connection, or wireless communication signal connection, and the specific meaning of the above terms can be understood according to the specific circumstances for the person skilled in the art.

[0022] One or more examples of the utility model are shown in the accompanying drawings. The detailed description uses numerical and letter marks to refer to the features in the drawings. Similar or like marks in the drawings and description have been used to refer to similar or like parts of the utility model. As used herein, the words "first", "second", and "third", and the like, are used interchangeably to distinguish one element from another, and are not intended to denote a position or importance of the individual elements.

[0023] As Figures 1 to 4 As shown in the drawings, according to the embodiment of the utility model, a large specification perforating machine rough pipe baffle buffer is provided, the buffer is arranged below the baffle, the baffle has a curved rod, and the curved rod is connected with the baffle through a connecting rod. Figure 1As shown in the drawings, the buffer comprises a base 1, a guide cylinder 2, a buffer 3 and a guide rod 4, wherein, as shown in the drawings, Figure 4 As shown in the drawings, one end of the guide cylinder 2 is connected with the base 1, one end of the guide rod 4 is located in the guide cylinder 2, the other end of the guide rod 4 extends out of the guide cylinder 2 from the other end of the guide cylinder 2, and the other end of the guide rod 4 is connected with the curved rod; the buffer 3 is arranged between the base 1 and the guide rod 4, the guide rod 4 can move along the axis direction of the guide cylinder 2, and the guide rod 4 can compress the buffer 3 in the process of moving; in the process of separating the top rod from the raw pipe, the baffle is used to block the raw pipe, the baffle is subjected to the force of the raw pipe and transmits the force to the guide rod 4 through the curved rod, and the guide rod 4 can provide force buffering for the baffle by compressing the buffer 3.

[0024] Further, the base 1 is arranged on the rack of the perforating machine.

[0025] Further, the other end of the guide cylinder 2 is provided with a gland 5, and the gland 5 is provided with a hole for the guide rod 4 to pass through.

[0026] Further, as shown in the drawings, Figure 2 The guide rod 4 comprises a guide head 6, a body 7 and a buffer head 8, the guide head 6, the body 7 and the buffer head 8 are connected in sequence, and the guide head 6, the body 7 and the buffer head 8 are of an integrated structure; one end of the buffer 3 is in contact with the base 1, and the other end of the buffer 3 is sleeved on the guide head 6; the buffer head 8 is connected with the lower end of the curved rod after passing through the gland 5.

[0027] Further, the body 7 comprises a left segment 9, a middle segment 10 and a right segment 11, the left segment 9 and the right segment 11 are respectively connected with the two ends of the middle segment 10, the guide head 6 is connected with the left segment 9 of the body 7, and the buffer head 8 is connected with the right segment 11 of the body 7; the diameters of the left segment 9 and the right segment 11 are consistent, the diameter of the left segment 9 is smaller than the diameter of the middle segment 10, the diameter of the middle segment 10 is 11 mm smaller than the inner diameter of the guide cylinder 2, the guide rod sleeve 13 is sleeved on the left segment 9 and the right segment 11, and the diameters of the guide head 6 and the buffer head 8 are both smaller than the diameter of the left segment 9. The guide rod sleeve 13 can reduce the friction between the guide rod 4 and the inner wall of the guide cylinder 2, thereby improving the service life of the buffer and reducing the failure rate of the buffer.

[0028] Further, the buffer 3 comprises a plurality of disc spring pieces 12, and the outer diameter of the disc spring piece 12 is 1 mm smaller than the inner diameter of the guide cylinder 2, as shown in the drawings, Figure 3 The inner diameter of the disc spring piece 12 is 7 mm larger than the diameter of the guide head 6; and the plurality of disc spring pieces 12 are contacted and arranged in the guide cylinder 2.

[0029] Further, the maximum impact force that each disc spring piece 12 can withstand is 390 KN, and the plurality of disc spring pieces 12 cooperate to make the buffer have sufficient buffering capacity.

[0030] When the top rod is separated from the rough pipe, the baffle stops the rough pipe, the baffle transmits the force received to the guide rod 4 through the curved rod, the guide rod 4 moves along the axis of the guide cylinder 2 to the direction close to the base 1 and compresses the disc spring piece 12, the disc spring piece 12 absorbs energy through deformation, then the disc spring piece 12 transmits the energy to the equipment reinforced concrete foundation through the foot pad of the rack again, and then provides force buffering for the baffle.

[0031] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects:

[0032] A large-specification perforating machine rough pipe baffle buffer, the buffer adopts the disc spring piece 12 to provide force buffering for the baffle, has strong buffering capacity, simple structure, low failure rate, almost no maintenance, low manufacturing cost, long service period after replacement and the like.

[0033] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large gauge piercer rough tube baffle bumper, said bumper disposed below said baffle, said baffle having a curved lever, characterized by, The buffer comprises a base, a guide cylinder, a buffer and a guide rod, wherein, one end of the guide cylinder is connected with the base, one end of the guide rod is located in the guide cylinder, the other end of the guide rod extends out of the guide cylinder from the other end of the guide cylinder, and the other end of the guide rod is connected with the curved rod; the buffer is arranged between the base and the guide rod, the guide rod can move along the axis direction of the guide cylinder, and the guide rod can compress the buffer during movement; during separation of the top rod from the raw pipe, the baffle is used to block the raw pipe, the baffle is subjected to force of the raw pipe and transmits the force to the guide rod through the curved rod, and the guide rod can provide force buffering for the baffle by compressing the buffer.

2. The raw pipe baffle buffer of the large-scale piercing mill according to claim 1, wherein the base is arranged on a bench of the piercing mill.

3. The raw pipe baffle buffer of the large-scale piercing mill according to claim 1, wherein the other end of the guide cylinder is provided with a gland, and the gland is provided with a hole for the guide rod to pass through.

4. The raw pipe baffle buffer of the large-scale piercing mill according to claim 3, wherein the guide rod comprises a guide head, a body and a buffer head, the guide head, the body and the buffer head are connected in sequence, and the guide head, the body and the buffer head are an integral structure; one end of the buffer is in contact with the base, and the other end of the buffer is sleeved on the guide head; the buffer head is connected with the lower end of the curved rod after passing through the gland.

5. The raw pipe baffle buffer of the large-scale piercing mill according to claim 4, wherein the body comprises a left segment, a middle segment and a right segment, the left segment and the right segment are respectively connected with both ends of the middle segment, the diameters of the left segment and the right segment are consistent, the diameter of the left segment is smaller than that of the middle segment, the diameter of the middle segment is 11 mm smaller than the inner diameter of the guide cylinder, and guide rod sleeves are sleeved on the left segment and the right segment.

6. The raw pipe baffle buffer of the large-scale piercing mill according to claim 4, wherein the buffer comprises a plurality of disc spring pieces, the outer diameter of the disc spring piece is 1 mm smaller than the inner diameter of the guide cylinder, and the inner diameter of the disc spring piece is 7 mm larger than the diameter of the guide head; the plurality of disc spring pieces are contacted and arranged in the guide cylinder.

7. The raw pipe baffle buffer of the large-scale piercing mill according to claim 6, wherein the maximum impact force that the disc spring piece can withstand is 390 KN.

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