Drawing hole device

Abstract

The utility model discloses a hole drawing device which comprises a machine frame, the machine frame comprises a bottom plate, a top plate and a plurality of supporting plates arranged between the top plate and the bottom plate and used for supporting, the bottom plate is used for placing pipe fittings, and a fixing assembly used for fixing the pipe fittings is arranged on the machine frame. A pull rod located above a hole site of the pipe fitting is movably arranged on the rack in the height direction of the rack, the bottom end of the pull rod extends into the pipe fitting from the hole site and is connected with a pull block in the pipe fitting, and a driving piece used for driving the pull rod to move is arranged on the top plate. The device has the advantages that the pipe fitting is fixed through the fixing assembly, the pull rod is driven by the driving piece to move upwards to pull the pull block upwards from the hole position of the pipe fitting, the pipe wall at the hole position is turned outwards, and follow-up welding or other machining work is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of pipe fitting processing, specifically relates to a drawing hole device. BACKGROUND

[0002] There are various connecting modes of pipe fittings, and welding is a common mode, when the end of the first pipe fitting with small pipe diameter is communicated with the side wall of the second pipe fitting with large pipe diameter, a hole needs to be opened on the side wall of the second pipe fitting, then the end of the first pipe fitting is butted with the hole position on the second pipe fitting and welded to achieve the effect of communication. However, when the hole is opened on the second pipe fitting, the cutting or drilling mode is often adopted, which will generate an action force on the pipe wall at the hole position towards the inside of the pipe fitting, which is easy to cause the pipe wall to be concave, the surface to be uneven, the inside of the pipe wall at the welding position to be rough, and the uneven welding position to be not easy to clean when liquid flows. When these pipe fittings are used in large-scale combined raw material production and recovery, etc., the cleaning of the welding position is inconvenient, which will affect the entire production line. SUMMARY

[0003] The utility model discloses a drawing hole device.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A drawing hole device, comprising a rack, the rack comprises a bottom plate, a top plate and a plurality of support plates arranged between the top plate and the bottom plate for support, the bottom plate is used for placing pipe fittings, a fixing assembly for fixing pipe fittings is arranged on the rack, a pull rod above the hole position of the pipe fitting is movably arranged on the rack along the height direction thereof, the bottom end of the pull rod extends into the inside of the pipe fitting from the hole position and is connected with a pull block in the pipe fitting, and a driving piece for driving the pull rod to move is arranged on the top plate.

[0006] Preferably, the fixing assembly comprises a pressing plate arranged on two adjacent support plates, the support plates are perpendicular to the pipe fitting, a first through hole corresponding to the support plate is formed in the pressing plate, and a plurality of second through holes corresponding to the first through hole are formed in the support plates along the height direction thereof.

[0007] Preferably, the drawing hole device further comprises an arc-shaped plate matched with the pipe fitting, the inner diameter of the arc-shaped plate is equal to the outer diameter of the pipe fitting, the arc-shaped plate is arranged between the pressing plate and the pipe fitting, a through groove is formed in the arc-shaped plate, and the position of the through groove corresponds to the hole position on the pipe fitting.

[0008] Preferably, the cross sections of the support plates and the pressing plate are both concave.

[0009] Preferably, the driving member comprises a jack arranged on the top surface of the top plate, and the telescopic end of the jack faces upward, the telescopic end of the jack is provided with a first connecting plate, a second connecting plate connected with the pull rod is arranged between the top plate and the bottom plate, and the first connecting plate and the second connecting plate are connected through a connecting rod.

[0010] Preferably, a pressure sensor is arranged between the jack and the first connecting plate.

[0011] Preferably, the pull block is in the shape of a circular truncated cone, the small end surface of the pull block faces the hole position, the bottom of the pull rod is provided with a hook, and the top of the pull block is provided with a clasp ring corresponding to the hook.

[0012] Preferably, the bottom plate comprises a flat plate and a plurality of reinforcing plates arranged in an array at the bottom of the flat plate, the plurality of reinforcing plates are integrally formed with the flat plate, and the plurality of reinforcing plates are perpendicular to the pipe fitting.

[0013] The utility model discloses the beneficial effects are: through the jack drive pull rod and pull block and go up, make the pipe wall of pipe fitting's opening place turn outward, be convenient for and other pipe fittings butt joint welding, make pipe fitting and the welding of pipe fitting not be in the opening position, through the fixed role of pressing plate to pipe fitting, prevent the displacement of pipe fitting when drawing a hole and lead to drawing a hole unqualified, through the position of multiple second through -hole, the position of pressing plate can be adjusted, adapt to different diameter's pipe fitting, arc plate can disperse the interaction between pressing plate and pipe fitting Force can effectively prevent pipe fitting deformation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model.

[0015] Figure 2 It is the front view of the utility model.

[0016] Among them: 1, bottom plate, 2, top plate, 3, support plate, 4, pressing plate, 5, arc plate, 6, first through -hole, 7, second through -hole, 8, jack, 9, first connecting plate, 10, connecting rod, 11, second connecting plate, 12, pull rod, 13, pipe fitting. DETAILED DESCRIPTION

[0017] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.

[0018] For example, Figure 1 And Figure 2As shown, the drawing hole device of the utility model, including frame, frame includes bottom plate 1, top plate 2 and the support plate 3 for supporting between being arranged in top plate 2 and bottom plate 1, bottom plate 1 is used for placing pipe fitting 13, the fixed assembly for fixing pipe fitting 13 is provided on the frame, pipe fitting 13 is placed on bottom plate 1 and will hole position towards upwards, through the fixed assembly fixed pipe fitting 13, prevent pipe fitting 13 from displacement and lead to pipe fitting 13 drawing hole unqualified when drawing hole, the frame is movably provided with a pull rod 12 in the hole position of pipe fitting 13 above along its height direction, the bottom end of pull rod 12 is inserted into the inside of pipe fitting 13 from hole position and is connected with the pull block in pipe fitting 13, the driving part for driving pull rod 12 to move is provided on top plate 2, the pull block is placed from one end of pipe fitting 13 and is moved to the hole position on pipe fitting 13, then start driving part and drive pull rod 12 and pull block to move upwards to complete the work of drawing hole.

[0019] The fixed assembly includes the pressing plate 4 arranged on two adjacent support plates 3, the support plate 3 is perpendicular to the pipe fitting 13, the first through hole 6 corresponding to the support plate 3 is formed on the pressing plate 4, the second through hole 7 corresponding to the first through hole 6 is formed on the support plate 3 along the height direction, according to the pipe fitting 13 of different pipe diameters, the appropriate second through hole 7 is selected, the bolt is passed through the second through hole 7 and the first through hole 6 on the pressing plate 4 and is screwed into the nut, so as to fix the pipe fitting 13, and prevent the pipe fitting 13 from moving upwards.

[0020] It also includes the arc-shaped plate 5 abutting with the pipe fitting 13, the inner diameter of the arc-shaped plate 5 is equal to the outer diameter of the pipe fitting 13, the arc-shaped plate 5 is arranged between the pressing plate 4 and the pipe fitting 13, the contact area of the arc-shaped plate 5 with the pipe fitting 13 is large, the interaction force between the pressing plate 4 and the pipe fitting 13 can be dispersed through the arc-shaped plate 5, the deformation of the pipe fitting 13 is prevented, a through groove is formed on the arc-shaped plate 5, and the position of the through groove corresponds to the hole position on the pipe fitting 13, so that the influence of the hole position in the drawing hole process is avoided.

[0021] The cross section of the support plate 3 and the pressing plate 4 is concave, and the concave cross section reduces the material and saves resources.

[0022] The driving part includes a jack 8 arranged on the top surface of the top plate 2, and the telescopic end of the jack 8 faces upwards, the telescopic end of the jack 8 is provided with a first connecting plate 9, a second connecting plate 11 connected with the pull rod 12 is arranged between the top plate 2 and the bottom plate 1, the first connecting plate 9 and the second connecting plate 11 are connected through the connecting rod 10, the first connecting plate 9 is driven upwards through the jack 8, so as to drive the second connecting plate 11, the pull rod 12 and the pull block to move upwards, and the drawing hole effect is achieved.

[0023] The pull block is in the shape of a circular truncated cone, the small end face of the pull block faces the hole position, each horizontal cross section of the circular truncated cone is circular and is adapted to the shape of the hole position, and the horizontal cross sections of the circular truncated cone are uniformly transitioned, the pulling degree of the pull block to the hole position can be adjusted by adjusting the length of the telescopic end of the jack 8, the bottom of the pull rod 12 is provided with a hook, the top of the pull block is provided with a clasp corresponding to the hook, the hook and the clasp are connected to transmit force, and the hook and the clasp are convenient to connect and remove and are used for a short time.

[0024] The bottom plate 1 comprises a flat plate and a plurality of reinforcing plates arranged in an array at the bottom of the flat plate, the structure is reinforced through the reinforcing plates, the plurality of reinforcing plates are integrally formed with the flat plate, and the plurality of reinforcing plates are perpendicular to the pipe fitting 13.

[0025] Working principle: before use, test is performed, the pipe fitting 13 is placed on the bottom plate 1, the hole position faces upwards, the arc-shaped plate 5 is placed above the pipe fitting 13, the pipe fitting 13 is fixed through the pressing plate 4 and the pressing plate 4 is fixed through the bolt, then the pull block is placed at the end of the pipe fitting 13 and is moved to below the hole position, the hook and the clasp are connected, finally the pull rod 12 is gradually lifted by the jack 8, at the same time, the change of the pipe wall at the hole position is observed, the extension distance of the telescopic end of the jack 8 is recorded when each time of pulling is performed, and a line is drawn at the junction of the pull block and the hole position to mark, then the effect of the pulled hole is verified, a plurality of tests are performed for mutual verification and the most suitable pulling position is selected, and the extension distance of the telescopic end of the corresponding jack 8 and the mark line on the pull block are selected.

[0026] After the test is completed, the pulling hole work is performed, the steps of starting the jack 8 are the same as those in the above process, the extension distance of the telescopic end of the jack 8 is controlled after the jack 8 is started, and the mark line on the pull block is observed, if the two are the same as those in the experiment, the pulled hole is qualified.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any figure reference in the claims should not be regarded as limiting the claims.

[0028] In addition, it should be understood that, although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A draw hole device, characterized by: The utility model provides a kind of pipe fixing frame, including rack, the rack includes bottom plate (1), top plate (2) and several support plates (3) for being arranged between top plate (2) and bottom plate (1) for support, the bottom plate (1) is used to place pipe (13), the rack is provided with fixing assembly for fixing pipe (13), the rack is movably provided with a pull rod (12) above the hole position of pipe (13) along its height direction, the bottom end of the pull rod (12) extends into the inside of pipe (13) from hole position and is connected with pull block in pipe (13), the top plate (2) is provided with driving member for driving pull rod (12) to move.

2. The draw hole device of claim 1, wherein: The fixing assembly includes a pressing plate (4) arranged on two adjacent support plates (3), the support plate (3) is perpendicular to the pipe (13), the pressing plate (4) is provided with a first through hole (6) corresponding to the support plate (3), and the support plate (3) is provided with a plurality of second through holes (7) corresponding to the first through hole (6) along the height direction.

3. The draw hole device of claim 2, wherein: It also includes an arc plate (5) that fits the pipe (13), the inner diameter of the arc plate (5) is equal to the outer diameter of the pipe (13), the arc plate (5) is arranged between the pressing plate (4) and the pipe (13), and the arc plate (5) is provided with a through slot, and the position of the through slot corresponds to the hole position on the pipe (13).

4. The draw hole device of claim 2, wherein: The cross section of the support plate (3) and the pressing plate (4) is concave.

5. The draw hole device of claim 1, wherein: The driving member includes a jack (8) arranged on the top surface of the top plate (2), and the telescopic end of the jack (8) faces upwards, the telescopic end of the jack (8) is provided with a first connecting plate (9), the second connecting plate (11) connected with the pull rod (12) is arranged between the top plate (2) and the bottom plate (1), and the first connecting plate (9) and the second connecting plate (11) are connected by a connecting rod (10).

6. The draw hole device of claim 1, wherein: The pull block is a circular truncated cone, the small end surface of the pull block faces the hole position, the bottom of the pull rod (12) is provided with a hook, and the top of the pull block is provided with a clasp ring corresponding to the hook.

7. The draw hole device of claim 1, wherein: The bottom plate (1) includes a flat plate and a plurality of reinforcing plates arranged in an array at the bottom of the flat plate, the plurality of reinforcing plates are integrally formed with the flat plate, and the plurality of reinforcing plates are perpendicular to the pipe (13).

Images