CN115591996A - Punch forming equipment and punch forming method for drilling tool centralizing body - Google Patents
Punch forming equipment and punch forming method for drilling tool centralizing body Download PDFInfo
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- CN115591996A CN115591996A CN202211612446.0A CN202211612446A CN115591996A CN 115591996 A CN115591996 A CN 115591996A CN 202211612446 A CN202211612446 A CN 202211612446A CN 115591996 A CN115591996 A CN 115591996A
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- arc
- transverse guide
- punch forming
- drilling tool
- centralizing body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses punch forming equipment and a punch forming method for a drilling tool centralizing body, which comprise a punch head, a power device for driving the punch head to move up and down along a track, a workbench positioned below the punch head, a transverse guide pillar capable of lifting on the workbench, and an arc-shaped supporting plate capable of lifting on the transverse guide pillar; the transverse guide pillar comprises a suspended end, the concave surface of the arc-shaped supporting plate faces downwards, and the axis of the transverse guide pillar is collinear with the axis of the arc-shaped supporting plate; the bottom surface of the stamping head is provided with a plurality of circular stamping blocks. The invention provides punch forming equipment and a punch forming method for a drilling tool centralizing body, which are used for solving the problems of low efficiency and high difficulty in slotting a small hole on a centralizing wing of a spiral wing type centralizing body in the prior art and achieving the purpose of improving the production and processing efficiency of the spiral wing type centralizing body.
Description
Technical Field
The invention relates to the field of punch forming, in particular to punch forming equipment and a punch forming method for a drilling tool centralizing body.
Background
The drilling tool centralizing body is an important component of BHA (downhole drilling tool assembly) in the petroleum and natural gas drilling process, can be used for ensuring the drilling tool centralization degree, and plays an important role in guiding a borehole trajectory in directional drilling operation. Commonly, such as a drill rod centralizer, a screw motor centralizer sleeve and the like belong to the category of drilling tool centralizers.
According to the difference of the arrangement modes of the centralizing wings and the diversion trenches, the drilling tool centralizing body can be divided into a straight wing type and a spiral wing type. And on the body of righting that uses to the stereoplasm ground, still need right the wing outer wall and inlay and establish wear-resisting piece in order to play the gauge protection effect, common wear-resisting piece such as synthetic diamond composite piece etc.. For the spiral wing type, the straightening wings and the diversion trenches are distributed in a spiral line along the axial direction, and the production and the manufacture have greater difficulty. In the prior art, the manufacturing method of the spiral wing type drilling tool centralizer mainly comprises a casting molding mode and a cutting mode, wherein the cutting mode wastes a large amount of base body raw materials, so the casting molding is a more economic production and processing mode, but in any mode, a large number of mounting small holes for placing wear-resistant blocks need to be formed in the outer wall of the centralizing wing.
But in the casting moulding production process of the body is right to the screw wing section, because the screw wing section is right to the existence of wing and guiding gutter, originally just have great drawing of patterns degree of difficulty, if rely on the mould to realize the shaping of aforementioned mounting aperture again, must lead to the drawing of patterns more difficult, consequently set up to aforementioned mounting aperture and generally adopt the grooved secondary operation mode of later stage grinding to accomplish at present, lead to consuming time longer, inefficiency.
Disclosure of Invention
The invention provides a punch forming device and a punch forming method for a drilling tool centralizing body, which are used for solving the problems of low efficiency and high difficulty in slotting for mounting small holes on a centralizing wing of a spiral wing type centralizing body in the prior art and achieving the purpose of improving the production and processing efficiency of the spiral wing type centralizing body.
The invention is realized by the following technical scheme:
the punch forming equipment for the drilling tool centralizing body comprises a punching head, a power device for driving the punching head to move up and down along a track, a workbench positioned below the punching head, a transverse guide pillar capable of lifting on the workbench, and an arc-shaped supporting plate capable of lifting on the transverse guide pillar; the transverse guide post comprises a suspended end, the concave surface of the arc-shaped supporting plate faces downwards, and the axis of the transverse guide post is collinear with the axis of the arc-shaped supporting plate; the bottom surface of the stamping head is provided with a plurality of circular stamping blocks.
Aiming at the problems of low efficiency and high difficulty in installing small holes on the straightening wing of the spiral wing type straightening body in the prior art, the inventor thinks in the research process that one of the main reasons of the phenomenon is caused by the technical inertia of grinding and grooving in the field. To right the wear-resisting piece on the wing, the diamond compact piece thickness that uses most often is the millimeter level, consequently this application adopts the punching press pore-forming mode to improve it, proposes a stamping forming equipment that is used for drilling tool to right the body. The bottom surface of the stamping head of the equipment is provided with a plurality of circular stamping blocks as actual stamping parts, and the track, the power device and the like matched with the stamping head can be realized by adopting the existing stamping technology without limitation. Inside horizontal guide pillar and arc backup pad all were used for inserting the body of rightting of being processed, both equal height-adjustable to satisfy the processing demand of the body of rightting to the unidimensional not. The transverse guide pillar comprises a free end, and the processed centralizing body is sleeved into the common outer part of the transverse guide pillar and the arc-shaped supporting plate from the free end; and the concave surface of the arc-shaped supporting plate faces downwards, so that the convex arc surface of the arc-shaped supporting plate can be matched with the inner wall of the processed righting body. For the drilling tool centralizing body, the inner wall of the drilling tool centralizing body needs to be leveled as much as possible to avoid interference on a channel in a drilling fluid pipe or increase the installation difficulty of the drilling tool centralizing body. Therefore, the axis of the transverse guide pillar and the axis of the arc support plate are definitely limited by the device, namely, the cross section is seen, the transverse guide pillar and the arc support plate are concentric, and the arc support plate is lifted up and down relative to the transverse guide pillar, so that the arc support plate can be lifted up and down no matter how the arc support plate is lifted up and down, the concentricity or the coaxiality of the transverse guide pillar and the arc support plate can be guaranteed, when the device is used, the transverse guide pillar and the coaxial distribution of the processed righting body are only needed, the arc support plate can be guaranteed to form a good fitting relation with the top of the inner wall of the righting body, and therefore the inner wall of the righting body at the stamping position is supported and limited by the arc support plate, and the risk of reducing the flatness of the inner wall of the righting body due to stamping is remarkably reduced.
In addition, but this equipment once work a plurality of circular punching press pieces simultaneous workings, compare in prior art and adopt the secondary operation mode of later stage grinding fluting, have obvious promotion in the wing fluting efficiency of righting of spiral wing section body of righting. Of course, when the device works specifically, besides the supporting and positioning of the workbench, the transverse guide post and the arc-shaped supporting plate, the processed centralizing body can be temporarily fixed or clamped from the outside by adopting any existing fixing mode, which can be completely realized by any technology in the field.
Furthermore, an arc-shaped panel with an upward concave surface is arranged on the upper surface of the workbench, a first lifting device is mounted on the arc-shaped panel, the top end of the first lifting device is connected with the transverse guide pillar, and the first lifting device is connected to one end of the transverse guide pillar, which is far away from the direction of the suspended end; the lifting device also comprises a plurality of second lifting devices connected between the transverse guide columns and the arc-shaped supporting plates.
The arc panel plays the bearing function, and its concave surface upwards is favorable to rightting the body shape phase-match with the processing to it is more stable when placing on the workstation to make to right the body. In addition, the lift of horizontal guide pillar is realized by first elevating gear drive, and first elevating gear connects the one end of keeping away from the free end place orientation at horizontal guide pillar to avoid being right the process of emboliaing of body and causing the interference by processing. The lifting of the arc-shaped supporting plate is realized by the driving of a plurality of linked second lifting devices, and because no object can pass through the arc-shaped supporting plate and the transverse guide pillar, the number of the second lifting devices can be set as many as required. When the first lifting device is started, the transverse guide post and the arc-shaped supporting plate are lifted relative to the workbench together, and when the second lifting device is started, the arc-shaped supporting plate is lifted relative to the transverse guide post.
Furthermore, the punching head comprises a driving plate and a pressing plate which are vertically distributed, a plurality of circular punching blocks are embedded in the bottom surface of the pressing plate, and the driving plate is used for driving the designated circular punching blocks to extend downwards. Even for the spiral wing type centralizing body, the arrangement mode of the wear-resistant blocks on the centralizing wing can be various, such as uniformly distributed in an array or arranged along a spiral direction. In order to improve the application scope of this application, the punching press head of this scheme is including being located the clamp plate of bottommost, be located the drive plate on the clamp plate, a plurality of circular punching press piece inlays and establishes in the clamp plate bottom surface, can accomodate to the clamp plate inside at ordinary times, drive one by the drive plate to it, when the mounting hole arrangement mode of what kind of shape of needs, then the circular punching press piece of appointing the arrangement mode by the drive plate drive stretches out downwards to this is showing the commonality that improves this application, in order to satisfy the use of the body of rightting to different wear-resisting piece arrangement modes.
Furthermore, a plurality of through holes distributed in an array are formed in the pressing plate, and the circular stamping blocks are in sliding fit in the through holes.
The through hole comprises a guide hole and an accommodating hole which are distributed vertically and are communicated with each other, and the aperture of the accommodating hole is larger than that of the guide hole; the circular stamping block comprises a limiting part in sliding fit with the guide hole and a stamping part in sliding fit with the accommodating hole; a first elastic piece is connected between the stamping part and the top surface hole wall of the accommodating hole.
In this scheme, the through-hole of seting up on the clamp plate is constituteed jointly to guiding hole and the coaxial intercommunication of accommodation hole, and wherein the accommodation hole aperture is greater than the guiding hole aperture, and not only accessible guiding hole can only reciprocate with the cooperation of spacing portion in order to guarantee circular punching press piece, can also avoid circular punching press piece to get into in the guiding hole, play top limiting displacement to circular punching press piece. The circular punching press piece passes through the punching press portion and accomplishes the punching press to righting the wing, is connected first elastic component between punching press portion and the accommodation hole top surface pore wall, and wherein accommodation hole top surface pore wall is the hole bottom of accommodation hole promptly, because the accommodation hole is the bottom opening, therefore its hole bottom is the top surface pore wall promptly. First elastic component is used for providing the pulling force of upward movement to punching press portion all the time for when no external force acts on, punching press portion can be accomodate to the holding hole automatically in, and when the circular punching press piece that the drive plate drive that starts corresponds, the punching press portion that corresponds just can follow and outwards stretch out in the holding hole.
Furthermore, the bottom surface of the driving plate is provided with a plurality of blind holes which are in one-to-one correspondence with the circular stamping blocks, and each blind hole is internally provided with a pushing piece in a sliding fit manner, and the driving device further comprises a second elastic piece and a driving mechanism, wherein the second elastic piece is used for enabling the pushing piece to be stored in the blind hole, and the driving mechanism is used for driving the pushing piece to move outwards.
Because blind hole and circular punching press piece one-to-one, consequently the ejecting piece also with circular punching press piece one-to-one, the second elastic component is used for providing the pulling force of upward movement to the ejecting piece all the time. The pushing piece is also controlled by the driving mechanism, and when the driving mechanism is started, the pushing piece is pushed to move outwards, so that the corresponding round stamping block can be pushed to extend out. The outward movement here means a movement to the outside of the blind hole, i.e. a downward movement. When the driving mechanism resets, the pushing piece resets along with the driving mechanism, and the second elastic piece can play a role in assisting in resetting.
Furthermore, the driving mechanism comprises a driver arranged at the bottom of the blind hole and a pushing block connected to the output end of the driver;
the top surface of the pushing piece comprises an inclined surface part and a platform part; the pushing block is positioned above the inclined plane part, and the bottom surface of the pushing block is matched with the inclined plane part; the second elastic piece is connected between the bottom of the blind hole and the platform part.
In the scheme, the blind hole is an opening at the bottom, so that the bottom of the blind hole is the top surface of the inner wall of the blind hole. This scheme makes the output and the ejector pad lug connection of driver, realizes the promotion to the ejector pad by the ejector pad again, can avoid the installation difficult problem of being connected between driver and the ejector pad, reduces the production degree of difficulty of this equipment. Secondly, the pushing block is matched with the pushing piece through the inclined plane, the contact area of pushing can be increased, the pushing piece can be pushed out more stably and rapidly, and the capability of bearing the reacting force in the stamping process is improved. In addition, the second elastic piece is connected between the bottom of the blind hole and the platform part, so that the interference with a driver, a pushing block and the like can be avoided, and meanwhile, the resetting of the pushing piece can be effectively guaranteed after the driving mechanism is reset.
Furthermore, the top surface of the workbench is provided with a plurality of grooves distributed in an array manner, and the workbench further comprises a plurality of positioning blocks matched with the grooves.
Because the special construction of righting wing and guiding gutter on the body of righting for it is limited to right the stability that the body adopted conventional mode to place on the workstation, and this is one of the reasons that this application need set up horizontal guide pillar and arc backup pad. In order to improve this application to the suitability of righting the body more, the recess that a plurality of arrays distribute is seted up at the top surface of workstation to this scheme, and locating piece and recess phase-match can place the locating piece in arbitrary one or more recess as required. When this scheme is used, on the body is unsettled on the workstation, when not carrying out the punching press, can right the distribution condition of body bottom guiding gutter according to the current, place the locating piece in corresponding recess correspondingly to make and right the body and transfer the back, each locating piece can get into and right the guiding gutter of body bottom in, with this stability of the body is right in improving the punching press in-process more.
The punch forming method based on the punch forming equipment comprises the following steps:
adjusting the heights of the transverse guide pillar and the arc-shaped support plate to ensure that the distance between the transverse guide pillar and the workbench is greater than the wall thickness of the centralizing body, and the distance between the bottom end of the transverse guide pillar and the top end of the arc-shaped support plate is smaller than the inner diameter of the centralizing body;
sleeving a centralizing body outside the transverse guide pillar and the arc-shaped support plate from the suspension end, hanging the centralizing body on the arc-shaped support plate, and rotating the centralizing body to enable a centralizing wing to be perforated to face upwards; adjusting the height of the arc-shaped supporting plate to enable the centralizing body to be placed on the workbench;
adjusting the height of the transverse guide pillar to enable the axis of the transverse guide pillar to be equal to the axis of the centralizing body in height;
adjusting the height of the arc-shaped supporting plate to enable the outer wall of the arc-shaped supporting plate to be contacted with the top of the inner wall of the centralizing body again;
and starting a power device, driving the punching head to move downwards along the track, and punching a hole on the outer wall of the centralizing wing by using the circular punching block.
The method can fully ensure that the processed centralizing body is coaxial with the transverse guide pillar and the arc-shaped support plate, the outer wall of the bottom of the centralizing body is contacted with the workbench, and the inner wall of the top of the centralizing body is contacted with the arc-shaped support plate, so that the centralizing body has good longitudinal stability; and workstation and arc backup pad realize vertical spacing simultaneously, can provide the shore through the arc backup pad to the inner wall of rightting the quilt punching press position when the punching press, show to reduce because of the punching press leads to righting the risk that the body inner wall roughness reduces.
Further, before the power device is started, the drive plate is used for driving the designated circular punching block to extend downwards.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a punch forming device and a punch forming method for a drilling tool centralizing body, which abandon the secondary processing mode of late grinding and slotting for mounting small holes of a spiral wing type drilling tool centralizer in the prior art, provide a punching device special for punching the mounting small holes of the spiral wing type centralizing body, and fill the blank in the prior art.
2. The invention relates to a punch forming device and a punch forming method for a drilling tool centralizing body, which can meet the processing requirements of centralizing bodies with different sizes.
3. The punch forming equipment and the punch forming method for the drilling tool centralizing body can ensure that the arc-shaped supporting plate can form a good fit relation with the top of the inner wall of the centralizing body, so that the inner wall of the punched position of the centralizing body is supported and limited by the arc-shaped supporting plate during punching, and the risk of reducing the flatness of the inner wall of the centralizing body caused by punching is obviously reduced.
4. According to the punch forming equipment and the punch forming method for the drilling tool centralizing body, when the arrangement mode of the mounting holes in any shape is required, the circular punch blocks in the specified arrangement mode are driven by the driving plate to extend downwards, so that the universality of the application is remarkably improved, and the centralizing body with different wear-resistant block arrangement modes can be used.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a schematic partial structural view of an embodiment of the present invention;
FIG. 3 is a bottom view of a platen in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a through-hole in an embodiment of the present invention;
FIG. 5 is a schematic view of the assembly of a circular punch block in an embodiment of the present invention;
FIG. 6 is a bottom view of the drive plate in an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a blind hole in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a workbench according to an embodiment of the present invention.
Reference numbers and corresponding part names in the figures:
1-power device, 2-track, 3-workbench, 4-transverse guide post, 401-free end, 5-arc support plate, 6-circular stamping block, 601-limiting part, 602-stamping part, 7-arc panel, 8-first lifting device, 9-second lifting device, 10-drive plate, 11-press plate, 12-pushing piece, 13-guide hole, 14-accommodating hole, 15-blind hole, 16-second elastic piece, 17-driver, 18-pushing piece, 19-groove, 20-positioning block and 21-first elastic piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention. In the description of the present application, it is to be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the scope of the present application.
Example 1:
the punch forming equipment for the drilling tool centralizing body shown in fig. 1 and fig. 2 comprises a punch head, a power device 1 for driving the punch head to move up and down along a track 2, a workbench 3 positioned below the punch head, a transverse guide post 4 capable of lifting on the workbench 3, and an arc-shaped supporting plate 5 capable of lifting on the transverse guide post 4; the transverse guide post 4 comprises a free end 401, the concave surface of the arc-shaped support plate 5 faces downwards, and the axis of the transverse guide post 4 is collinear with the axis of the arc-shaped support plate 5; the bottom surface of the punching head is provided with a plurality of circular punching blocks 6.
An arc-shaped panel 7 with an upward concave surface is arranged on the upper surface of the workbench 3, a first lifting device 8 is installed on the arc-shaped panel 7, the top end of the first lifting device 8 is connected with the transverse guide post 4, and the first lifting device 8 is connected to one end of the transverse guide post 4 far away from the direction of the suspended end 401; and a plurality of second lifting devices 9 connected between the transverse guide posts 4 and the arc-shaped supporting plate 5.
The main process of adopting the equipment to carry out punch forming comprises the following steps:
the heights of the transverse guide pillar 4 and the arc-shaped support plate 5 are adjusted through the first lifting device 8, so that the distance between the transverse guide pillar 4 and the workbench 3 is larger than the wall thickness of the centralizing body, and the distance between the bottom end of the transverse guide pillar 4 and the top end of the arc-shaped support plate 5 is smaller than the inner diameter of the centralizing body;
sleeving a centralizing body from a suspended end 401 to the outside of the transverse guide pillar 4 and the arc-shaped support plate 5, suspending the centralizing body on the arc-shaped support plate 5, and rotating the centralizing body to enable a centralizing wing to be perforated to be upward; the height of the arc-shaped supporting plate 5 is adjusted through a second lifting device 9, so that the righting body is placed on the workbench 3;
the height of the transverse guide post 4 is adjusted through the first lifting device 8 again, so that the axis of the transverse guide post 4 is equal to the axis of the centralizing body in height; in the process, the arc-shaped supporting plate 5 is lifted synchronously;
the height of the arc-shaped supporting plate 5 is adjusted through the second lifting device 9 again, so that the outer wall of the arc-shaped supporting plate 5 is contacted with the top of the inner wall of the righting body;
and starting the power device 1, driving the punching head to move downwards along the track 2, and punching a hole on the outer wall of the righting wing by the circular punching block 6.
Preferably, the first lifting device 8 and the second lifting device 9 in this embodiment are implemented by electric push rods or hydraulic cylinders, and existing lifting structures such as lead screw motors, gear racks and the like with good bearing capacity may also be used.
It should be understood by those skilled in the art that after the punching operation is completed, the wear-resistant block such as the artificial diamond compact is placed in the obtained mounting hole by using the prior art, and then the wear-resistant block is welded and fixed by using the prior art. And filling the gap between the mounting hole and the diamond compact by adopting solder.
It should be noted that the track and the power device are not shown in fig. 2, and both the track and the power device of the punching device can be realized by adopting the prior art.
The centralizing body in the embodiment can be a drilling tool centralizer, and can also be a centralizing sleeve on tools such as a screw motor, rotary steering, measurement While Drilling (MWD), logging While Drilling (LWD) and the like.
Example 2:
the utility model provides a stamping forming equipment for drilling tool body of righting, on embodiment 1's basis, as shown in figure 1, the punching press head is including being drive plate 10, the clamp plate 11 that distributes from top to bottom, and the clamp plate 11 bottom surface sets up a plurality of circular punching press pieces 6, and drive plate 10 is used for driving appointed circular punching press piece 6 and stretches out downwards.
As shown in fig. 3 to 5, the pressing plate 11 is provided with a plurality of through holes distributed in an array, and the circular stamping block 6 is slidably fitted in the through holes. The through hole comprises a guide hole 13 and an accommodating hole 14 which are distributed up and down and are communicated with each other, and the aperture of the accommodating hole 14 is larger than that of the guide hole 13; the circular punching block 6 comprises a limiting part 601 matched with the guide hole 13 in a sliding way and a punching part 602 matched with the accommodating hole 14 in a sliding way; the first elastic member 21 is connected between the punch 602 and the wall of the top hole of the receiving hole 14.
As shown in fig. 6 and 7, the driving plate 10 has a plurality of blind holes 15 formed in a bottom surface of the driving plate 10, the blind holes 15 corresponding to the circular stamping blocks 6 one by one, each blind hole 15 is provided with a pushing member 12 in a sliding fit manner, and the driving plate further includes a second elastic member 16 for accommodating the pushing member 12 into the blind hole 15, and a driving mechanism for driving the pushing member 12 to move outward. The driving mechanism comprises a driver 17 arranged at the bottom of the blind hole 15 and a pushing block 18 connected with the output end of the driver 17;
the top surface of the pushing piece 12 comprises an inclined surface part and a platform part; the pushing block 18 is positioned above the inclined plane part, and the bottom surface of the pushing block 18 is matched with the inclined plane part; the second elastic member 16 is connected between the bottom of the blind hole 15 and the platform portion.
In this embodiment, all the drivers 17 are controlled by a controller, and a signal receiving end of the controller can be connected to a user central controller such as a computer, so that the user can directly select the circular punching blocks required by the batch punching on a screen.
During the operation of the equipment of the embodiment, before the power device 1 is started, the drive plate 10 is used for driving the designated circular punching block 6 to extend downwards according to specific processing requirements. The process specifically comprises the following steps:
for each driver needing to be started, the controller controls the driver 17 to be started, and pushes the pushing block 18 outwards for a set stroke, the inclined surface at the bottom of the pushing block 18 is matched with the inclined surface at the top of the pushing piece 12 to push the pushing piece 12 to move downwards, and the pushing piece 12 pushes the limiting part 601 of the circular stamping block 6 to move downwards in the guide hole 13, so that the stamping part 602 extends out of the accommodating hole 14, and the driver 17 is kept locked. In the process, the first elastic member 21 and the second elastic member 16 are elongated.
When the punching operation is completed, the driver 17 is reset, the pushing block 18 is reset under the action of the driver and the second elastic member 16, the circular punching block 6 is reset under the action of the first elastic member 21, and the punching part 602 returns to the accommodating hole 14.
In a more preferred embodiment, the actuator 17 is implemented using a well-established electromagnetic drive, such as an electromagnet or the like.
Example 3:
on the basis of any one of the above embodiments, the top surface of the workbench 3 is provided with a plurality of grooves 19 distributed in a rectangular array, and further comprises a plurality of positioning blocks 20 matched with the grooves 19.
It should be noted that the groove 19 can be correspondingly formed no matter the upper surface of the worktable is a plane or an arc surface. As shown in fig. 8, the top surface of the table 3 is set to a different plane from that of embodiment 1 or embodiment 2.
In a more preferred embodiment, the positioning block 20 comprises a rigid portion at the lower part and a flexible portion at the upper part. When the centering device is used specifically, the rigid part is arranged in the groove 19 to play a role in positioning, and the flexible part is directly contacted with the spiral groove of the centering body, so that the friction coefficient can be increased while the abrasion risk is reduced.
In a more preferable embodiment, the groove 19 is a square groove with the side length of 1 to 3cm or a circular groove with the diameter of 1 to 3cm; the radial height of the steel plate is 2-4 cm. Can meet the use requirements of the diversion trench corresponding to most centralizers on the market.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Further, the term "connected" used herein may be directly connected or indirectly connected via other components without being particularly described.
Claims (10)
1. The punch forming equipment for the drilling tool centralizing body comprises a punch head and a power device (1) for driving the punch head to move up and down along a track (2), and is characterized by further comprising a workbench (3) positioned below the punch head, a transverse guide pillar (4) capable of lifting on the workbench (3), and an arc-shaped supporting plate (5) capable of lifting on the transverse guide pillar (4); the transverse guide post (4) comprises a suspended end (401), the concave surface of the arc-shaped support plate (5) faces downwards, and the axis of the transverse guide post (4) is collinear with the axis of the arc-shaped support plate (5); the bottom surface of the punching head is provided with a plurality of circular punching blocks (6).
2. The punch forming equipment for the drilling tool centralizing body is characterized in that an arc-shaped panel (7) with a concave surface facing upwards is arranged on the upper surface of the workbench (3), a first lifting device (8) is installed on the arc-shaped panel (7), the top end of the first lifting device (8) is connected with the transverse guide pillar (4), and the first lifting device (8) is connected to one end of the transverse guide pillar (4) far away from the direction of the suspended end (401); and the lifting device also comprises a plurality of second lifting devices (9) connected between the transverse guide posts (4) and the arc-shaped supporting plate (5).
3. The punch forming equipment for the drilling tool centralizing body according to claim 1, wherein the punching head comprises a driving plate (10) and a pressing plate (11) which are distributed up and down, a plurality of circular punching blocks (6) are embedded in the bottom surface of the pressing plate (11), and the driving plate (10) is used for driving the designated circular punching blocks (6) to extend downwards.
4. The punch forming equipment for the drilling tool centralizing body according to claim 3, characterized in that a plurality of through holes distributed in an array are formed in the pressure plate (11), and the circular punch blocks (6) are in sliding fit in the through holes.
5. The punch forming equipment for the drilling tool centralizing body is characterized in that the through holes comprise guide holes (13) and accommodating holes (14) which are distributed up and down and are communicated with each other, and the aperture of each accommodating hole (14) is larger than that of each guide hole (13); the circular stamping block (6) comprises a limiting part (601) in sliding fit with the guide hole (13) and a stamping part (602) in sliding fit with the accommodating hole (14); a first elastic piece (21) is connected between the stamping part (602) and the top surface hole wall of the accommodating hole (14).
6. The punch forming equipment for the drilling tool centralizers according to claim 4, wherein a plurality of blind holes (15) corresponding to the circular punch blocks (6) one by one are formed in the bottom surface of the drive plate (10), each blind hole (15) is internally and slidably matched with an ejector (12), the punch forming equipment further comprises a second elastic piece (16) for accommodating the ejector (12) into the blind hole (15), and a driving mechanism for driving the ejector (12) to move outwards.
7. The punch forming equipment for the drilling tool centralizers according to the claim 6, characterized in that the driving mechanism comprises a driver (17) arranged at the bottom of the blind hole (15), and a push block (18) connected with the output end of the driver (17);
the top surface of the pushing piece (12) comprises an inclined surface part and a platform part; the pushing block (18) is positioned above the inclined plane part, and the bottom surface of the pushing block (18) is matched with the inclined plane part; and the second elastic piece (16) is connected between the bottom of the blind hole (15) and the platform part.
8. The punch forming equipment for the drilling tool centralizing body according to the claim 1, characterized in that the top surface of the working table (3) is provided with a plurality of grooves (19) distributed in array, and further comprises a plurality of positioning blocks (20) matched with the grooves (19).
9. The punch forming method of the punch forming equipment for the drilling tool centralizer according to any one of claims 1 to 8, characterized by comprising the following steps:
the heights of the transverse guide pillar (4) and the arc-shaped support plate (5) are adjusted, so that the distance between the transverse guide pillar (4) and the workbench (3) is larger than the wall thickness of the centralizing body, and the distance between the bottom end of the transverse guide pillar (4) and the top end of the arc-shaped support plate (5) is smaller than the inner diameter of the centralizing body;
sleeving a centralizing body from the suspension end (401) to the outside of the transverse guide pillar (4) and the arc-shaped support plate (5), hanging the centralizing body on the arc-shaped support plate (5), and rotating the centralizing body to enable a centralizing wing to be perforated to face upwards; the height of the arc-shaped supporting plate (5) is adjusted to enable the centralizing body to be placed on the workbench (3);
adjusting the height of the transverse guide post (4) to enable the axis of the transverse guide post (4) to be equal to the axis of the centralizing body in height;
the height of the arc-shaped supporting plate (5) is adjusted, so that the outer wall of the arc-shaped supporting plate (5) is contacted with the top of the inner wall of the righting body again;
and starting the power device (1), driving the punching head to move downwards along the track (2), and punching the outer wall of the righting wing to form a hole by the circular punching block (6).
10. Punch forming method according to claim 9, characterized in that before starting the power unit (1) a drive plate (10) is used to drive the assigned circular punch block (6) to protrude downwards.
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| CN202211612446.0A CN115591996B (en) | 2022-12-15 | 2022-12-15 | Punch forming equipment and punch forming method for drilling tool centralizing body |
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| CN202211612446.0A CN115591996B (en) | 2022-12-15 | 2022-12-15 | Punch forming equipment and punch forming method for drilling tool centralizing body |
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| CN115591996B CN115591996B (en) | 2023-03-21 |
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| CN115591996B (en) | 2023-03-21 |
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