Lining flanging die

Abstract

The utility model discloses a lining flanging die which comprises a handle, a butt joint groove is formed in the edge end of the handle, a connecting block is arranged in the butt joint groove in an embedded mode, the outer end of the connecting block is fixedly connected with a die body, a groove is formed in the peripheral side of the outer portion of the die body, an auxiliary fixing mechanism is arranged in the groove, and the outer end of the die body is fixedly connected with the auxiliary fixing mechanism. The placing grooves are formed in the upper side and the lower side of the connecting block, clamping grooves are formed in the upper side and the lower side of the interior of the butt joint groove, an air supply cavity is formed in the mold body, and connecting pipes are connected to the left side and the right side of the air supply cavity in a penetrating mode. A user can hold the handle, the handle drives the die body to be in butt joint with an oil pipe, at the moment, the side end of the die body is obliquely designed to be led into a lining pipe of the lining oil pipe in a taper mode, the groove abuts against the end of the lining pipe, the lining pipe is completely close to the end of the lining oil pipe in the hydraulic jacking cylinder die body, pressure maintaining is conducted for a certain time, and the die is taken out. At the moment, the lining can be effectively combined with the base pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to special new structure technical field, concretely is a kind of lining flanging die. BACKGROUND

[0002] At present, lining tubing often appears lining protruding debonding or cracking in the use process of oil well, and the reason is that flanging is not fixed in place in the processing production process, lining cannot be effectively combined with base pipe, leading to the above problems in the use process, and the lining tubing often appears such problems, so it is necessary to increase the repair frequency, resulting in the increase of oilfield production cost.

[0003] The lining composite pipe flanging device disclosed by the application number CN201120459298.4 has the advantages that the heating fixture, the heater, the flanging fixture and the head mold are arranged on the same axis, the head mold includes a head sleeve, a conical head core arranged at the center of the head sleeve and an annular working groove arranged between the head sleeve and the head core and used for accommodating the lining composite pipe and coaxial with the head core, the head mold and the flanging fixture are arranged on the same axis, and the lining composite pipe flanging device is safe and reliable, simple and novel in structure, convenient to manufacture and low in cost.

[0004] The lining flanging device in the above file has low stability, and when the mold is used to fix the lining tubing, the fitting degree of the clamping part and the lining tubing is not high, so that the lining tubing may be loose or even fall off during the flanging work, thereby affecting the subsequent flanging work.

[0005] The handle and the mold body of the lining flanging device in the above file cannot be disassembled, so when the mold body or the handle is damaged, the entire device needs to be replaced, and a single damaged object cannot be replaced, so there is a certain limitation.

[0006] Therefore, the lining flanging die is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a lining flanging die to solve the problems that the fitting degree of the clamping part and the lining tubing is not high, the lining tubing may be loose or even fall off during the flanging work, and a single damaged object cannot be replaced.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a lining flanging die, including handle, the edge of handle is equipped with butt joint groove, and the inside of butt joint groove is equipped with connecting block, and the outer end of connecting block is fixedly connected with die body;

[0009] The recess is arranged on the outer circumferential side of the die body, and the recess is provided with an auxiliary fixing mechanism inside, so that the die body and the oil pipe can be assembled more stably under the action of the auxiliary fixing mechanism.

[0010] The placing groove is arranged on the upper and lower sides of the connecting block, the inside of the butt joint groove is provided with a clamping groove on the upper and lower sides, and a clamping mechanism is arranged between the clamping groove and the placing groove, so that the die body can be replaced through the clamping mechanism.

[0011] Further, a gas supply cavity is arranged in the die body, and connecting pipes are connected through the left and right sides of the gas supply cavity, and gas bags are connected through the outer ends of the connecting pipes, and the gas bags are attached to the outer side of the die body.

[0012] The die body is connected with a push rod, the outer end of the push rod is fixedly connected with a push plate, and the inner end of the push rod is fixedly connected with an extrusion plate, and the extrusion plate is connected to the outside of the push plate

[0013] The upper side of the extrusion plate is fixedly connected with a return spring, and the other end of the return spring is fixedly connected to the inner upper end of the gas supply cavity.

[0014] Further, the recess is arranged in one circle on the outer side of the die body, and the outer side of the die body is arranged in an inclined shape.

[0015] Further, the extrusion plate forms a sliding structure with the gas supply cavity through the push rod, and the extrusion plate forms an elastic structure with the gas supply cavity through the return spring, and the gas supply cavity is connected with the gas bag through the connecting pipe.

[0016] Further, the inside of the placing groove is fixedly connected with a telescopic rod, the output end of the telescopic rod is fixedly connected with a clamping block, the bottom end of the clamping block is fixedly connected with a push spring, and the bottom end of the push spring is fixedly connected to the inside of the placing groove.

[0017] The upper and lower sides of the handle are connected with a butt joint rod, the bottom end of the butt joint rod extends into the inside of the clamping groove, and the inside of the clamping groove is connected with a clamping block.

[0018] The outer end of the butt joint rod is fixedly connected with a pressing head, the left and right sides of the pressing head are hingedly connected with a limiting rod, and the other end of the limiting rod is hingedly connected to the handle.

[0019] The bottom end of the pressing head is fixedly connected with a buffer spring, and the other end of the buffer spring is fixedly connected to the outer side of the handle.

[0020] Further, the top end of the clamping block is arc-shaped, and the clamping block and the placing groove constitute an elastic structure through the urging spring.

[0021] Further, the pressing head and the handle constitute an elastic structure through the buffer spring, and the limiting rod and the pressing head constitute a sliding structure.

[0022] Compared with the prior art, the utility model has the advantages that:

[0023] 1. The user can hold the handle, drive the mold body and the oil pipe to be connected through the handle, the edge end of the mold body is inclined and designed to be tapered and introduced into the inner lining pipe of the inner lining oil pipe, the groove is close to the inner lining pipe end, the inner lining pipe in the hydraulic top cylinder mold body is close to the inner lining oil pipe end, the pressure is maintained for a certain time, and the mold is taken out, so that the inner lining can be effectively combined with the base pipe;

[0024] 2. When the groove is close to the inner lining pipe end, the inner lining pipe end will extrude the push plate, the extrusion plate will move in the gas supply cavity, the gas in the gas supply cavity is transported to the inside of the air bag through the connecting pipe, the air bag is inflated, the mold body is more closely close to the inner lining pipe end, and the effect of combining the inner lining with the base pipe is further improved;

[0025] 3. When the user uses the device, the mold body suitable for the size of the base pipe can be selected, the connecting block at the side end of the mold body is nested and connected to the connecting groove at the end side of the handle, the preliminary splicing of the device can be completed under the action of the connecting groove and the connecting block, and subsequent replacement of the mold body or the handle is facilitated;

[0026] 4. When the connecting block and the connecting groove are connected, the clamping block is extruded by the side of the connecting groove and enters the inside of the placing groove, the clamping block is not blocked when the connecting block moves to the appropriate position, the clamping block extends into the clamping groove, and the clamping groove and the clamping block cooperate with each other, so that the mold body and the handle are more stably assembled;

[0027] 5. When the user needs to disassemble the handle and the mold body, the pressing head can be pressed manually, the pressing head drives the connecting rod to move inward, the clamping block is moved, the clamping block is away from the inside of the clamping groove, the clamping block is not clamped, and the user can conveniently disassemble and replace the mold body and the handle. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a front view structural schematic diagram of the utility model.

[0029] Figure 2 It is the front view structure schematic diagram of the utility model;

[0030] Figure 3 It is the front view structure schematic diagram of the utility model air cavity;

[0031] Figure 4 It is the front view structure schematic diagram of the utility model push rod;

[0032] Figure 5 It is the front view structure schematic diagram of the utility model clamping groove;

[0033] Figure 6 It is the front view structure schematic diagram of the utility model butt joint rod.

[0034] In the figure: 1, die body; 2, connecting block; 3, butt joint groove; 4, handle; 5, recess; 6, air cavity; 7, air bag; 8, push plate; 9, push rod; 10, connecting pipe; 11, extrusion plate; 12, return spring; 13, placing groove; 14, telescopic rod; 15, push spring; 16, clamping block; 17, clamping groove; 18, butt joint rod; 19, buffer spring; 20, pressing head; 21, limit rod. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0036] Embodiment one: as the technical scheme shown in Figure 1 And Figure 2 The utility model provides the following technical scheme: a lining flanging die discloses:

[0037] Handle 4 is provided with butt joint groove 3 at the edge end, the inside of butt joint groove 3 is nested with connecting block 2, and the outer end of connecting block 2 is fixedly connected with die body 1.

[0038] The recess 5 is provided with a circle about the outside of the die body 1, and the outer side of the die body 1 is arranged in an inclined shape.

[0039] The user can hold the handle 4, and the mold body 1 is connected with the oil pipe, at this time, the edge end of the mold body 1 is designed to be tapered to introduce the inner liner pipe into the inner liner pipe, so that the groove 5 is close to the end of the inner liner pipe, and the inner liner pipe is completely close to the end of the inner liner pipe in the hydraulic cylinder mold body 1, and the pressure is maintained for a certain time, and the mold is taken out, at this time, the inner liner can be effectively combined with the base pipe, and the user can select the mold body 1 suitable for the size of the base pipe, and the connecting block 2 at the side end of the mold body 1 is nested and connected to the connecting groove 3 at the end side of the handle 4, under the action of the connecting groove 3 and the connecting block 2, the preliminary splicing of the device can be completed, and the replacement of the mold body 1 or the handle 4 is facilitated.

[0040] Embodiment two: as shown in the technical scheme of Figure 2 、 Figure 3 and Figure 4 , the utility model provides the following technical scheme: a liner flanging die discloses an auxiliary fixing mechanism, under the action of the auxiliary fixing mechanism, the mold body 1 and the oil pipe can be assembled more stably:

[0041] The groove 5 is arranged on the outer circumferential side of the mold body 1, and the auxiliary fixing mechanism is arranged in the groove 5;

[0042] A gas cavity 6 is formed in the mold body 1, left and right sides of the gas cavity 6 are connected with connecting pipes 10 in a penetrating mode, outer ends of the connecting pipes 10 are connected with air bags 7 in a penetrating mode, and the air bags 7 are attached to the outer side of the mold body 1; a push rod 9 is nested on the mold body 1, an outer end of the push rod 9 is fixedly connected with a push plate 8, an inner end of the push rod 9 is fixedly connected with an extrusion plate 11, and the extrusion plate 11 is nested on the outer side of the push plate 8; a reset spring 12 is fixedly connected to the upper side of the extrusion plate 11, and the other end of the reset spring 12 is fixedly connected to the inner upper end of the gas cavity 6;

[0043] The extrusion plate 11 and the gas cavity 6 form a sliding structure through the push rod 9, the extrusion plate 11 and the gas cavity 6 form an elastic structure through the reset spring 12, and the gas cavity 6 and the air bag 7 are mutually penetrated through the connecting pipe 10.

[0044] When the groove 5 is close to the end of the inner liner pipe, the end of the inner liner pipe will extrude the push plate 8, at this time, the push plate 8 will synchronously push the extrusion plate 11 to move in the gas cavity 6 through the push rod 9, when the extrusion plate 11 moves, the gas in the gas cavity 6 is transported to the inside of the air bag 7 through the connecting pipe 10, at this time, the air bag 7 is inflated, so that the mold body 1 is more closely attached to the end of the inner liner pipe, and the effect of combining the inner liner with the base pipe is further improved.

[0045] Embodiment three: as shown in the technical scheme of Figure 2 、 Figure 5 andFigure 6 The technical scheme is shown, and the utility model provides the following technical scheme: an inner lining flanging die discloses a clamping mechanism, and the clamping mechanism can replace the die body 1:

[0046] The placing groove 13 is provided on the upper and lower sides of the connecting block 2, the inner upper and lower sides of the butt joint groove 3 are provided with clamping grooves 17, and the clamping grooves 17 and the placing groove 13 are provided with the clamping mechanism;

[0047] The placing groove 13 is provided on the upper and lower sides of the connecting block 2, the inner upper and lower sides of the butt joint groove 3 are provided with clamping grooves 17, and the clamping grooves 17 and the placing groove 13 are provided with the clamping mechanism; The upper and lower sides of the handle 4 are nested with butt joint rods 18, the bottom end of the butt joint rod 18 extends into the inner clamping groove 17, and the inner clamping groove 17 is nested with the clamping block 16; the outer end of the butt joint rod 18 is fixedly connected with a pressing head 20, the left and right sides of the pressing head 20 are hingedly connected with limiting rods 21, and the other end of the limiting rod 21 is hingedly connected to the handle 4; the bottom end of the pressing head 20 is fixedly connected with a buffer spring 19, and the other end of the buffer spring 19 is fixedly connected to the outer side of the handle 4;

[0048] The top end of the clamping block 16 is arc-shaped, the clamping block 16 and the placing groove 13 form an elastic structure through the driving of the push spring 15, the pressing head 20 and the handle 4 form an elastic structure through the buffer spring 19, and the limiting rod 21 and the pressing head 20 form a sliding structure.

[0049] When the connecting block 2 is butted with the butt joint groove 3, the clamping block 16 will be extruded by the side of the butt joint groove 3 and enter the inner placing groove 13 under the driving of the telescopic rod 14, at this time, the clamping block 16 does not block the connecting block 2, when the connecting block 2 moves to the appropriate position, the clamping block 16 is not extruded by the butt joint groove 3, and will be reset under the driving of the elastic force of the reset spring 12, and will extend into the inner clamping groove 17, at this time, the clamping groove 17 and the clamping block 16 cooperate with each other, which can further make the die body 1 and the handle 4 more stably assembled;

[0050] When the user needs to disassemble the handle 4 and the die body 1, the pressing head 20 can be manually pressed to drive the butt joint rod 18 to move inward, when the pressing head 20 moves, the two ends of the limiting rod 21 will be rotated synchronously, at this time, the limiting rod 21 will limit the pressing head 20, so that the pressing head 20 can stably move, when the butt joint rod 18 moves, the clamping block 16 will be moved, so that the clamping block 16 leaves the inner clamping groove 17, at this time, the clamping block 16 does not clamp, at this time, the user can conveniently disassemble and replace the die body 1 and the handle 4.

[0051] That which is not described in detail in the present specification is part of the prior art known to those skilled in the art.

[0052] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lining flanging die, comprising a handle (4), the edge end of the handle (4) is provided with a butt joint groove (3), the inside of the butt joint groove (3) is provided with a connecting block (2), and the outer end of the connecting block (2) is fixedly connected with a die body (1); characterized in that Further comprising: a groove (5) is arranged on the outer circumferential side of the die body (1), and the inside of the groove (5) is provided with an auxiliary fixing mechanism, so that the die body (1) can be stably assembled with the oil pipe under the action of the auxiliary fixing mechanism; a placing groove (13) is arranged on the upper and lower sides of the connecting block (2), the inside of the butt joint groove (3) is provided with a clamping groove (17) on the upper and lower sides, and a clamping mechanism is arranged between the clamping groove (17) and the placing groove (13), so that the die body (1) can be replaced through the clamping mechanism.

2. An inner liner turn-up die according to claim 1, characterized in that: The die body (1) is provided with a gas supply cavity (6) inside, the left and right sides of the gas supply cavity (6) are connected with a connecting pipe (10), the outer end of the connecting pipe (10) is connected with an air bag (7), and the air bag (7) is attached to the outer side of the die body (1); The die body (1) is connected with a push rod (9), the outer end of the push rod (9) is fixedly connected with a push plate (8), the inner end of the push rod (9) is fixedly connected with an extrusion plate (11), and the extrusion plate (11) is connected with the push plate (8) outside; The upper side of the extrusion plate (11) is fixedly connected with a return spring (12), and the other end of the return spring (12) is fixedly connected to the inside upper end of the gas supply cavity (6).

3. An inner liner turn-up die according to claim 1, characterized in that: The groove (5) is arranged on the outer side of the die body (1), and the outer side of the die body (1) is arranged in an inclined shape.

4. An inner liner turn-up die according to claim 2, characterized in that: The extrusion plate (11) forms a sliding structure with the gas supply cavity (6) through the push rod (9), the extrusion plate (11) forms an elastic structure with the gas supply cavity (6) through the return spring (12), and the gas supply cavity (6) is connected with the air bag (7) through the connecting pipe (10).

5. An inner liner turn-up die according to claim 1 wherein: The inside of the placing groove (13) is fixedly connected with a telescopic rod (14), the output end of the telescopic rod (14) is fixedly connected with a clamping block (16), the bottom end of the clamping block (16) is fixedly connected with a push spring (15), and the bottom end of the push spring (15) is fixedly connected to the inside of the placing groove (13); The upper and lower sides of the handle (4) are connected with a butt joint rod (18), the bottom end of the butt joint rod (18) extends into the inside of the clamping groove (17), and the inside of the clamping groove (17) is connected with the clamping block (16); The outer end of the butt joint rod (18) is fixedly connected with a pressing head (20), the left and right sides of the pressing head (20) are hingedly connected with a limiting rod (21), and the other end of the limiting rod (21) is hingedly connected to the handle (4); The bottom end of the pressing head (20) is fixedly connected with a buffer spring (19), and the other end of the buffer spring (19) is fixedly connected to the outer side of the handle (4).

6. An inner liner turn-up die according to claim 5, characterized in that: The top end of the clamping block (16) is designed in an arc shape, and the clamping block (16) forms an elastic structure with the placing groove (13) through the push spring (15).

7. An inner liner turn-up die according to claim 5, characterized in that: The pressing head (20) is in elastic structure with the handle (4) through a buffer spring (19), and the limiting rod (21) is in sliding structure with the pressing head (20).

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